/* Luyện Đề Aptis — Light UI (British Council inspired) */

:root {
    --bg: #f4f7fb;
    --bg-elevated: #ffffff;
    --surface: #ffffff;
    --surface-solid: #ffffff;
    --border: #e2e8f0;
    --border-hover: #23085a;
    --text: #1e293b;
    --muted: #64748b;
    --primary: #23085a;
    --primary-hover: #1a0645;
    --primary-dim: rgba(35, 8, 90, 0.06);
    --accent: #5b8def;
    --cyan: #5b8def;
    --violet: #23085a;
    --success: #0d9f6e;
    --error: #d14343;
    --warning: #d97706;
    --radius: 10px;
    --radius-lg: 14px;
    --font: 'Plus Jakarta Sans', system-ui, sans-serif;
    --display: 'Plus Jakarta Sans', system-ui, sans-serif;
    --shadow: 0 4px 20px rgba(35, 8, 90, 0.07);
    --shadow-glow: 0 8px 32px rgba(35, 8, 90, 0.12);
    --glass: none;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    background-image:
        radial-gradient(ellipse 70% 50% at 80% -10%, rgba(91, 141, 239, 0.1), transparent),
        radial-gradient(ellipse 50% 40% at 10% 100%, rgba(35, 8, 90, 0.05), transparent);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Background */
.bg-mesh { display: none; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 1.5rem; }
a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary); }

/* Cards */
.glass-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.glass-card:hover {
    border-color: #c7d2e0;
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.gradient-text { color: var(--primary); font-weight: 700; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
}
.logo:hover { text-decoration: none; color: var(--text); }
.brand-logo {
    display: block;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    flex-shrink: 0;
    background: transparent;
}
.brand-logo--header { height: 52px; max-width: 200px; }
.brand-logo--footer { height: 44px; margin: 0 auto; max-width: 180px; }
.brand-logo--sm { height: 34px; max-width: 140px; }
.brand-logo--exam { height: 40px; width: auto; max-width: 120px; object-fit: contain; }
.brand-logo--exam.aptis-logo-icon { height: 36px; max-width: 64px; }
.logo-mark {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, #3d1a8a, var(--primary));
    color: #ffffff;
    border-radius: 10px;
    display: grid;
    place-items: center;
    box-shadow: 0 4px 12px rgba(35, 8, 90, 0.25);
}
.logo-mark-sm { width: 28px; height: 28px; font-size: 0.75rem; font-weight: 800; }
.logo-text em { font-style: normal; color: var(--accent); }
.nav { display: flex; align-items: center; gap: 0.5rem; }
.nav-link {
    color: var(--muted);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 0.85rem;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s;
}
.nav-link:hover { color: var(--primary); background: var(--primary-dim); text-decoration: none; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.35rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    font-family: inherit;
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, #3d1a8a, var(--primary));
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 14px rgba(35, 8, 90, 0.25);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    box-shadow: 0 6px 20px rgba(35, 8, 90, 0.35);
    transform: translateY(-1px);
    text-decoration: none;
    color: #ffffff;
}
.btn-glow { box-shadow: var(--shadow); }
.btn-glass {
    background: #ffffff;
    border-color: var(--border);
    color: var(--text);
}
.btn-glass:hover { background: var(--bg); border-color: var(--primary); color: var(--primary); text-decoration: none; }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--muted); border: none; }
.btn-ghost:hover { color: var(--primary); background: var(--primary-dim); text-decoration: none; }
.btn-lg { padding: 0.9rem 1.75rem; font-size: 1rem; }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* Toast */
.toast {
    position: fixed;
    top: 84px;
    right: 1.5rem;
    z-index: 300;
    padding: 0.85rem 1.25rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    animation: slideIn 0.4s ease, fadeOut 0.4s ease 4s forwards;
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
}
.toast-success { background: #ecfdf5; color: var(--success); border-color: #a7f3d0; }
.toast-error { background: #fef2f2; color: var(--error); border-color: #fecaca; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fadeOut { to { opacity: 0; pointer-events: none; } }

.main { min-height: calc(100vh - 160px); position: relative; }

/* Page load & navigation transitions */
.page-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.25s ease;
}
.page-progress:not([hidden]) { display: block; }
.page-progress.is-active { opacity: 1; }
.page-progress-bar {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary), var(--cyan));
    box-shadow: 0 0 12px rgba(91, 141, 239, 0.45);
    transition: width 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.page-progress.is-complete .page-progress-bar { width: 100% !important; }

html.page-boot .main,
body.page-is-loading .main {
    opacity: 0;
    transform: translateY(8px);
}
body.page-is-ready .main,
body:not(.page-is-loading) .main {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
body.page-is-leaving .main {
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.22s ease, transform 0.22s ease;
}

@media (prefers-reduced-motion: reduce) {
    html.page-boot .main,
    body.page-is-loading .main,
    body.page-is-leaving .main {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .page-progress { display: none !important; }
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 2.5rem 0;
    margin-top: 4rem;
}
.footer-inner { text-align: center; }
.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
}
.site-footer p { color: var(--muted); font-size: 0.85rem; margin: 0.25rem 0; }
.footer-copy { opacity: 0.6; font-size: 0.8rem !important; }

/* Hero */
.hero { padding: 5rem 0 4rem; }
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    padding: 0.4rem 0.85rem;
    background: var(--primary-dim);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 99px;
}
.pulse-dot {
    width: 8px; height: 8px;
    background: var(--cyan);
    border-radius: 50%;
    animation: pulse 2s infinite;
    box-shadow: 0 0 8px var(--cyan);
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero h1 {
    font-family: var(--display);
    font-size: clamp(2.2rem, 4.5vw, 3.4rem);
    font-weight: 800;
    line-height: 1.1;
    margin: 0 0 1.25rem;
    letter-spacing: -0.03em;
}
.hero-desc { color: var(--muted); font-size: 1.05rem; max-width: 46ch; line-height: 1.7; }
.hero-actions { display: flex; gap: 1rem; margin: 2rem 0; flex-wrap: wrap; }
.hero-trust {
    display: flex;
    gap: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}
.trust-item strong { display: block; font-family: var(--display); font-size: 1.5rem; color: var(--text); }
.trust-item span { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.hero-quick-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.5rem;
    margin-top: -0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
}
.hero-quick-links a {
    color: var(--purple);
    font-weight: 600;
    text-decoration: none;
}
.hero-quick-links a:hover { text-decoration: underline; }
.hero-quick-links span { color: var(--muted); }
.step-link {
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, box-shadow 0.2s;
    display: block;
}
.step-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
    color: inherit;
}

/* Exam preview */
.hero-visual {
    position: relative;
    padding: 2.75rem 3.25rem 3rem 2.75rem;
    max-width: 520px;
    margin-left: auto;
}
.exam-preview {
    position: relative;
    z-index: 1;
    padding: 0;
    overflow: hidden;
}
.exam-preview-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: #23085a;
    color: #fff;
    font-size: 0.75rem;
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }
.exam-preview-title { flex: 1; color: rgba(255,255,255,0.9); margin-left: 0.5rem; }
.exam-timer { color: #fff; font-weight: 600; font-variant-numeric: tabular-nums; }
.exam-preview-body { padding: 1.25rem; background: #ffffff; }
.exam-instruction {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--violet);
    margin-bottom: 1rem;
    font-weight: 600;
}
.exam-opinions { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }
.exam-opinion {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    opacity: 0.5;
}
.exam-opinion.active { opacity: 1; border-color: #4a90d9; background: #f0f4f8; }
.exam-opinion span {
    width: 24px; height: 24px;
    background: rgba(255,255,255,0.08);
    border-radius: 6px;
    display: grid;
    place-items: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--cyan);
    flex-shrink: 0;
}
.exam-opinion .line, .exam-question .line {
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    margin: 3px 0;
}
.line.w90 { width: 90%; } .line.w80 { width: 80%; } .line.w70 { width: 70%; }
.line.w60 { width: 60%; } .line.w85 { width: 85%; } .line.w75 { width: 75%; } .line.w40 { width: 40%; }
.exam-question { padding-top: 0.75rem; border-top: 1px solid var(--border); }
.exam-options { display: flex; gap: 0.5rem; margin-top: 0.75rem; }
.exam-options .opt {
    width: 32px; height: 32px;
    border: 1px solid var(--border);
    border-radius: 8px;
    display: grid;
    place-items: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--muted);
}
.exam-options .opt.selected { background: #23085a; color: #ffffff; border-color: #23085a; }

.float-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.9rem;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
    z-index: 2;
    pointer-events: none;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
    animation: floatBadge 4s ease-in-out infinite;
}
/* Nằm ngoài góc mock — không che nút đáp án A/B/C/D */
.float-badge-1 { top: 0; right: 0; }
.float-badge-2 { bottom: 0; left: 0; animation-delay: -2s; }
@keyframes floatBadge { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }

/* Sections */
.section { padding: 4rem 0; }
.section-features { padding-bottom: 5rem; }
.section-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--cyan);
    margin-bottom: 0.5rem;
}
.section-head { text-align: center; margin-bottom: 3rem; }
.section-head h2 {
    font-family: var(--display);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    margin: 0 0 0.75rem;
    letter-spacing: -0.02em;
}
.section-head p { color: var(--muted); max-width: 50ch; margin: 0 auto; }

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    align-items: stretch;
}
.pricing-card {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    position: relative;
}
.pricing-card.featured {
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: var(--shadow-glow);
    background: linear-gradient(160deg, rgba(0, 212, 255, 0.08) 0%, var(--surface) 50%);
}
.badge {
    position: absolute;
    top: -11px; left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.3rem 0.85rem;
    border-radius: 99px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}
.badge-glow {
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    color: var(--bg);
}
.pricing-top h3 { margin: 0 0 0.75rem; font-family: var(--display); font-size: 1.2rem; }
.price {
    font-family: var(--display);
    font-size: 2.25rem;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.03em;
}
.price .currency { font-size: 1rem; color: var(--muted); font-weight: 500; margin-right: 2px; }
.duration {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--muted);
    font-size: 0.85rem;
    margin: 0.5rem 0 1rem;
}
.desc { font-size: 0.9rem; color: var(--muted); margin: 0 0 1rem; }
.feature-list { list-style: none; padding: 0; margin: 0 0 1.5rem; flex: 1; }
.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.4rem 0;
    font-size: 0.88rem;
    color: var(--muted);
}
.feature-list li svg { flex-shrink: 0; margin-top: 3px; }

/* Steps */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}
.step {
    padding: 1.5rem;
    text-align: left;
}
.step-num {
    font-family: var(--display);
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 0.75rem;
    line-height: 1;
}
.step h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.step p { margin: 0; font-size: 0.85rem; color: var(--muted); }

/* Reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
    transition-delay: var(--delay, 0s);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay { transition-delay: 0.15s; }

/* Auth */
.auth-page { padding: 3rem 0 4rem; display: flex; justify-content: center; }
.register-page {
    display: block;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding-top: 1.5rem;
    padding-bottom: 4rem;
}
.auth-card {
    padding: 2.25rem;
    width: 100%;
    max-width: 440px;
}
.auth-card-wide { max-width: 580px; }
.auth-card h1 { margin: 0 0 0.35rem; font-family: var(--display); font-size: 1.65rem; font-weight: 700; }
.subtitle { color: var(--muted); margin: 0 0 1.75rem; font-size: 0.95rem; }
.auth-footer { text-align: center; margin-top: 1.5rem; font-size: 0.9rem; color: var(--muted); }

/* Forms */
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-weight: 500; font-size: 0.85rem; margin-bottom: 0.4rem; color: var(--muted); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    background: #ffffff;
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-hint { font-size: 0.82rem; color: var(--muted); }
.text-muted { color: var(--muted); font-size: 0.88rem; line-height: 1.5; }
.input-key { font-family: 'IBM Plex Mono', monospace; font-size: 1.05rem; letter-spacing: 0.12em; text-transform: uppercase; text-align: center; }

.package-select { border: none; padding: 0; margin: 1.5rem 0; }
.package-select legend { font-weight: 600; margin-bottom: 0.85rem; font-size: 0.95rem; }
.package-options { display: flex; flex-direction: column; gap: 0.6rem; }
.package-option { cursor: pointer; }
.package-option input { display: none; }
.package-option-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.15rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: all 0.2s;
    background: rgba(0,0,0,0.15);
}
.package-option-inner strong { font-size: 0.95rem; }
.package-option-inner span { font-size: 0.85rem; color: var(--muted); }
.package-option input:checked + .package-option-inner {
    border-color: rgba(0, 212, 255, 0.5);
    background: var(--primary-dim);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

/* Page */
.page { padding: 2.5rem 0 4rem; }
.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2.5rem;
}
.page-header h1 {
    font-family: var(--display);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.02em;
}
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.15rem;
    font-size: 0.85rem;
    border-radius: 99px;
}
.status-active { color: var(--success); }
.status-inactive { color: var(--warning); }

.callout {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.callout-icon { font-size: 2rem; }
.callout h3 { margin: 0 0 0.35rem; font-size: 1.05rem; }
.callout p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.callout-info { border-left: 3px solid var(--cyan); }
.callout-success { border-left: 3px solid var(--success); }

.activate-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: start; }

/* Onboarding flow */
.onboarding-page { max-width: 960px; }
.onboarding-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 2.5rem;
    padding: 1rem 0;
}
.onboarding-step {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    opacity: 0.45;
    transition: opacity 0.2s;
}
.onboarding-step.active, .onboarding-step.done { opacity: 1; }
.onboarding-step-num {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 2px solid var(--border);
    display: grid;
    place-items: center;
    font-size: 0.85rem;
    font-weight: 700;
    flex-shrink: 0;
    color: var(--muted);
}
.onboarding-step.active .onboarding-step-num {
    border-color: var(--cyan);
    background: var(--primary-dim);
    color: var(--cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}
.onboarding-step.done .onboarding-step-num {
    border-color: var(--success);
    background: rgba(52, 211, 153, 0.15);
    color: var(--success);
}
.onboarding-step-text { display: flex; flex-direction: column; }
.onboarding-step-text strong { font-size: 0.88rem; line-height: 1.2; }
.onboarding-step-text small { font-size: 0.72rem; color: var(--muted); }
.onboarding-connector {
    width: 40px;
    height: 2px;
    background: var(--border);
    margin: 0 0.5rem;
    flex-shrink: 0;
}
.onboarding-connector.done { background: var(--success); }
.onboarding-header { text-align: center; margin-bottom: 2rem; }
.onboarding-header h1 {
    font-family: var(--display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0.25rem 0 0.75rem;
}
.onboarding-subtitle { color: var(--muted); max-width: 52ch; margin: 0 auto; font-size: 0.95rem; }
.onboarding-subtitle strong { color: var(--cyan); }

/* Activate page */
.activate-layout {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 1.25rem;
    align-items: start;
}
.activate-sidebar { display: flex; flex-direction: column; gap: 1rem; }
.selected-package-card {
    padding: 1.5rem;
    position: relative;
}
.selected-package-card.featured {
    border-color: rgba(0, 212, 255, 0.35);
    background: linear-gradient(160deg, rgba(0, 212, 255, 0.06) 0%, var(--surface) 60%);
}
.selected-package-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--cyan);
}
.selected-package-card h2 {
    font-family: var(--display);
    font-size: 1.35rem;
    margin: 0.35rem 0 0.5rem;
}
.selected-package-price {
    font-family: var(--display);
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0;
    color: var(--text);
}
.selected-package-duration {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--muted);
    font-size: 0.85rem;
    margin: 0.35rem 0 0.75rem;
}
.selected-package-desc { font-size: 0.88rem; color: var(--muted); margin: 0 0 0.75rem; }
.feature-list-compact { margin: 0 !important; }
.feature-list-compact li { font-size: 0.82rem !important; padding: 0.25rem 0 !important; }

.how-to-buy { padding: 1.25rem; }
.how-to-buy h3 { margin: 0 0 0.85rem; font-size: 0.95rem; }
.how-to-list {
    margin: 0 0 1rem;
    padding-left: 1.2rem;
    color: var(--muted);
    font-size: 0.85rem;
    line-height: 1.7;
}
.how-to-list li { margin-bottom: 0.25rem; }
.how-to-list code {
    font-size: 0.78rem;
    background: rgba(0, 212, 255, 0.1);
    color: var(--cyan);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
}
.contact-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.contact-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.75rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.82rem;
    color: var(--text);
    text-decoration: none;
}
.contact-chip:hover { border-color: var(--cyan); color: var(--cyan); text-decoration: none; }
.contact-chip--facebook:hover { border-color: #1877f2; color: #1877f2; }

.footer-support {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin: 1rem 0 0.5rem;
}
.footer-support-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}
.footer-contact-chips { justify-content: center; }

.payment-support-box {
    margin-top: 1.25rem;
    padding: 1rem 1.15rem;
    border-radius: 10px;
    background: rgba(91, 141, 239, 0.06);
    border: 1px solid rgba(91, 141, 239, 0.15);
}
.payment-support-title {
    margin: 0 0 0.65rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
}

.activate-main { padding: 1.75rem; }
.activate-main-head {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
}
.key-icon-wrap {
    width: 52px; height: 52px;
    background: var(--primary-dim);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: 14px;
    display: grid;
    place-items: center;
    color: var(--cyan);
    flex-shrink: 0;
}
.activate-main-head h2 { margin: 0 0 0.25rem; font-size: 1.15rem; }
.activate-main-head p { margin: 0; font-size: 0.88rem; color: var(--muted); }
.activate-footer-hints { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.activate-footer-hints p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--muted);
    margin: 0.4rem 0;
}
.activate-skip { justify-content: center !important; margin-top: 0.75rem !important; }

.dashboard-unlock-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 2rem;
}
.dashboard-unlock-card {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, box-shadow 0.2s;
}
.dashboard-unlock-card:hover {
    transform: translateY(-3px);
    text-decoration: none;
    color: inherit;
}
.dashboard-unlock-card.featured {
    border-color: rgba(91, 141, 239, 0.35);
}
.dashboard-unlock-card h3 {
    margin: 0;
    font-family: var(--display);
    font-size: 1.1rem;
}
.dashboard-unlock-card p {
    margin: 0;
    flex: 1;
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.45;
}
.dashboard-unlock-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--primary-dim);
    color: var(--primary);
}
.choose-package-alt {
    display: flex;
    justify-content: flex-end;
}

/* Register wizard — 3 bước trượt ngang */
.register-wizard {
    max-width: 640px;
    margin: 0 auto;
    padding: 1.75rem 1.5rem 2rem;
    overflow: hidden;
}
.register-wizard-viewport {
    overflow: hidden;
    width: 100%;
}
.register-wizard-track {
    display: flex;
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}
.register-wizard-slide {
    flex: 0 0 100%;
    min-width: 0;
    box-sizing: border-box;
}
.register-slide-head { margin-bottom: 1.35rem; }
.register-slide-head h1 {
    margin: 0.25rem 0;
    font-family: var(--display);
    font-size: 1.5rem;
}
.register-slide-head .subtitle { margin-bottom: 0; }
.register-wizard-actions {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 1.5rem;
}
.register-wizard-actions .auth-footer { margin-top: 0.5rem; }
.register-back-btn { align-self: center; margin-top: 0.25rem; }
.register-has-key-btn {
    border-style: dashed;
    font-weight: 500;
}
.register-logged-in-note {
    padding: 0.85rem 1rem;
    border-radius: 8px;
    background: rgba(52, 211, 153, 0.1);
    color: var(--success);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}
.register-checkout-summary {
    padding: 1.25rem 1.35rem;
    margin-bottom: 1rem;
}
.register-checkout-summary h2 {
    font-family: var(--display);
    font-size: 1.25rem;
    margin: 0.35rem 0 0.25rem;
}
.register-payment-hint {
    font-size: 0.88rem;
    margin: 0 0 0.25rem;
    line-height: 1.5;
}
.register-checkout-instructions {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
}
.register-checkout-instructions h3 {
    font-size: 1rem;
    margin: 0 0 0.85rem;
}
.bank-info {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.45rem 1rem;
    font-size: 0.9rem;
    margin: 0 0 1rem;
}
.bank-info dt { color: var(--muted); font-weight: 500; }
.bank-info dd { margin: 0; font-weight: 600; }
.transfer-code {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    padding: 0.2rem 0.45rem;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.06);
}

.register-page .onboarding-steps {
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

/* Register page — legacy 2-col (giữ cho package cards) */
.register-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
}
.register-form-col { padding: 1.75rem; min-width: 0; }
.register-form-head { margin-bottom: 1.5rem; }
.register-form-head h1 { margin: 0.25rem 0; font-family: var(--display); font-size: 1.5rem; }
.register-package-col { display: flex; flex-direction: column; gap: 1rem; min-width: 0; }
.register-package-head h2 { margin: 0 0 0.25rem; font-family: var(--display); font-size: 1.2rem; }
.register-package-head p { margin: 0; font-size: 0.88rem; color: var(--muted); }

.package-pick-grid { display: flex; flex-direction: column; gap: 0.65rem; }
.package-pick-card {
    padding: 0;
    cursor: pointer;
    position: relative;
    overflow: visible;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.package-pick-card:hover { transform: translateY(-2px); }
.package-pick-card input { display: none; }
.package-pick-card.popular { border-color: rgba(91, 141, 239, 0.35); }
.package-pick-card.selected {
    border-color: var(--primary);
    box-shadow: 0 8px 28px rgba(35, 8, 90, 0.12);
}
.package-pick-inner { padding: 1rem 1.15rem 1rem 1.15rem; padding-right: 2.75rem; }
.package-pick-top { margin-bottom: 0.15rem; }
.package-pick-title-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.35rem;
}
.package-pick-top h3 { margin: 0; font-size: 0.95rem; }
.package-pick-tag {
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.2rem 0.5rem;
    border-radius: 99px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    color: #fff;
    line-height: 1.2;
}
.package-pick-price { margin: 0; font-weight: 700; color: var(--primary); font-size: 1.05rem; }
.package-pick-duration { margin: 0 0 0.5rem; font-size: 0.78rem; color: var(--muted); }
.package-pick-check {
    position: absolute;
    top: 50%; right: 1rem;
    transform: translateY(-50%);
    width: 24px; height: 24px;
    border-radius: 50%;
    border: 2px solid var(--border);
    display: grid;
    place-items: center;
    color: transparent;
    transition: all 0.2s;
}
.package-pick-card.selected .package-pick-check {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.register-submit { margin-top: 0.25rem; }

.register-page .onboarding-steps {
    margin-bottom: 2rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-mini { padding: 1.5rem; }
.pricing-mini h3 { margin: 0 0 1rem; font-family: var(--display); }
.pricing-mini-item {
    display: flex;
    justify-content: space-between;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

/* Skills */
.skill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}
.dashboard-skill-grid { margin-bottom: 2rem; }
.skill-card {
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text);
    position: relative;
    overflow: hidden;
}
.skill-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), var(--violet));
    opacity: 0;
    transition: opacity 0.25s;
}
.skill-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); text-decoration: none; color: var(--text); }
.skill-card:hover::before { opacity: 1; }
.skill-reading .skill-icon-wrap { color: var(--cyan); }
.skill-listening .skill-icon-wrap { color: var(--violet); }
.skill-writing .skill-icon-wrap { color: var(--success); }
.skill-speaking .skill-icon-wrap { color: #f472b6; }
.skill-grammar .skill-icon-wrap { color: var(--warning); }
.skill-icon-wrap {
    width: 44px; height: 44px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    display: grid;
    place-items: center;
    margin-bottom: 1rem;
}
.skill-card h3 { margin: 0 0 0.25rem; font-size: 1rem; font-weight: 600; }
.skill-card p { margin: 0; font-size: 0.82rem; color: var(--muted); }
.skill-arrow {
    position: absolute;
    top: 1.25rem; right: 1.25rem;
    color: var(--muted);
    transition: transform 0.2s, color 0.2s;
}
.skill-card:hover .skill-arrow { transform: translateX(4px); color: var(--cyan); }
.skill-card.is-locked { opacity: 0.72; }
.skill-card.is-locked::before { opacity: 0.35; }
.skill-lock-tag {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--purple);
    margin-top: 0.35rem;
    display: inline-block;
}
.skill-picker-grid { margin-bottom: 1.5rem; }
a.skill-card,
button.skill-card {
    width: 100%;
    text-align: left;
    cursor: pointer;
    border: none;
    font: inherit;
    display: block;
    text-decoration: none;
    color: inherit;
}
.skill-card.is-active::before { opacity: 1; }
.skill-reading.skill-card.is-active::before { background: linear-gradient(90deg, var(--cyan), #4a2d8f); }
.skill-listening.skill-card.is-active::before { background: linear-gradient(90deg, var(--violet), #06b6d4); }
.skill-writing.skill-card.is-active::before { background: linear-gradient(90deg, #b45309, #f59e0b); }
.skill-speaking.skill-card.is-active::before { background: linear-gradient(90deg, #be185d, #ec4899); }
.skill-grammar.skill-card.is-active::before { background: linear-gradient(90deg, #047857, #10b981); }

/* Dashboard unlock banner + option cards */
.dashboard-unlock-banner {
    margin-top: 0.25rem;
    margin-bottom: 1.5rem;
    padding: 1.25rem 1.35rem 1.35rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(74, 45, 143, 0.22);
    background: linear-gradient(135deg, rgba(74, 45, 143, 0.08), rgba(0, 194, 203, 0.05));
}
.dashboard-unlock-banner-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}
.dashboard-unlock-banner-title {
    margin: 0.25rem 0 0.35rem;
    font-family: var(--display);
    font-size: 1.2rem;
}
.dashboard-unlock-banner-desc {
    margin: 0;
    font-size: 0.88rem;
    color: var(--muted);
    max-width: 42rem;
    line-height: 1.5;
}
.unlock-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}
.unlock-option-card {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 1.15rem 1.2rem;
    text-decoration: none;
    color: inherit;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.unlock-option-card:hover {
    transform: translateY(-3px);
    text-decoration: none;
    color: inherit;
    border-color: rgba(74, 45, 143, 0.35);
}
.unlock-option-card--featured {
    border-color: rgba(91, 141, 239, 0.4);
    background: linear-gradient(160deg, rgba(74, 45, 143, 0.06), rgba(255,255,255,0.02));
}
.unlock-option-card h3 {
    margin: 0;
    font-family: var(--display);
    font-size: 1.05rem;
}
.unlock-option-card p {
    margin: 0;
    flex: 1;
    font-size: 0.84rem;
    color: var(--muted);
    line-height: 1.45;
}
.unlock-option-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.2rem 0.45rem;
    border-radius: 999px;
    background: rgba(74, 45, 143, 0.12);
    color: var(--purple);
}
.unlock-options-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}
.unlock-inline-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.04);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
.unlock-inline-chip:hover {
    text-decoration: none;
    color: var(--text);
    border-color: rgba(74, 45, 143, 0.35);
    transform: translateY(-1px);
}
.unlock-inline-chip--primary {
    background: linear-gradient(135deg, rgba(74, 45, 143, 0.18), rgba(0, 194, 203, 0.12));
    border-color: rgba(74, 45, 143, 0.35);
    color: var(--purple);
}
.practice-unlock-banner {
    margin-top: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.25rem 1.35rem 1.35rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(74, 45, 143, 0.2);
    background: linear-gradient(135deg, rgba(74, 45, 143, 0.07), rgba(0, 194, 203, 0.04));
}
.practice-unlock-banner-head { margin-bottom: 1rem; }
.practice-unlock-banner-title {
    margin: 0.25rem 0 0.35rem;
    font-family: var(--display);
    font-size: 1.15rem;
}
.practice-unlock-banner-desc {
    margin: 0;
    font-size: 0.86rem;
    color: var(--muted);
}
.nav-cta-unlock { box-shadow: 0 0 20px rgba(74, 45, 143, 0.25); }
.nav-cta-key { border-color: rgba(74, 45, 143, 0.35); }
.section-unlock-options { padding-top: 0; margin-top: -1rem; }

/* Dashboard unlock strip (legacy dismiss close) */
.dashboard-unlock-strip {
    margin-bottom: 1.25rem;
    padding: 0.65rem 1rem;
    border-color: rgba(74, 45, 143, 0.2);
    background: linear-gradient(135deg, rgba(74, 45, 143, 0.06), rgba(0, 194, 203, 0.04));
}
.dashboard-unlock-strip-inner {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}
.dashboard-unlock-strip-text {
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--muted);
}
.dashboard-unlock-strip-text a {
    color: var(--purple);
    font-weight: 600;
    text-decoration: none;
}
.dashboard-unlock-strip-text a:hover { text-decoration: underline; }
.dashboard-unlock-strip-close {
    flex-shrink: 0;
    border: none;
    background: transparent;
    color: var(--muted);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 0.15rem;
}
.dashboard-unlock-strip-close:hover { color: var(--text); }

/* Nav unlock dropdown */
.nav-unlock-wrap { position: relative; }
.nav-unlock-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    border: none;
    background: transparent;
    cursor: pointer;
    font: inherit;
}
.nav-unlock-menu {
    position: absolute;
    top: calc(100% + 0.35rem);
    right: 0;
    min-width: 11rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 0.35rem;
    z-index: 200;
}
.nav-unlock-menu a {
    display: block;
    padding: 0.5rem 0.65rem;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text);
    text-decoration: none;
}
.nav-unlock-menu a:hover { background: rgba(74, 45, 143, 0.08); }

.practice-pay-banner {
    border-color: rgba(74, 45, 143, 0.15);
    background: rgba(74, 45, 143, 0.04);
}
.practice-pay-banner a { font-weight: 600; }

/* Payment checkout */
.payment-page { padding-bottom: 2.5rem; }
.payment-checkout {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 1.25rem;
    align-items: start;
}
.payment-status-layout { max-width: 720px; margin: 0 auto; }
.payment-status-main { padding: 1.75rem 2rem; }
.payment-summary-card,
.payment-action-card {
    padding: 1.5rem 1.6rem;
}
.payment-summary-card {
    position: sticky;
    top: 5.5rem;
    border-color: rgba(74, 45, 143, 0.2);
    background: linear-gradient(165deg, rgba(74, 45, 143, 0.07), rgba(0, 194, 203, 0.04));
}
.payment-product-title {
    margin: 0.35rem 0 0.5rem;
    font-family: var(--display);
    font-size: 1.55rem;
    line-height: 1.2;
}
.payment-product-desc {
    margin: 0 0 1.25rem;
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.5;
}
.payment-price-block {
    padding: 1rem 1.1rem;
    margin-bottom: 1.25rem;
    border-radius: 14px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
}
.payment-price-label {
    display: block;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin-bottom: 0.25rem;
}
.payment-price-amount {
    font-family: var(--display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--cyan);
    line-height: 1;
}
.payment-price-amount small {
    font-size: 1.1rem;
    font-weight: 700;
    opacity: 0.85;
}
.payment-perks {
    list-style: none;
    margin: 0 0 1.25rem;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}
.payment-perks li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.86rem;
    color: var(--muted);
    line-height: 1.4;
}
.payment-perks svg { flex-shrink: 0; margin-top: 0.1rem; color: var(--cyan); }
.payment-trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}
.payment-trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--muted);
}
.payment-trust-badge--exam { color: var(--purple); border-color: rgba(74, 45, 143, 0.25); }

.payment-steps {
    display: flex;
    gap: 0;
    margin: 0 0 1.35rem;
    padding: 0;
    list-style: none;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.15);
}
.payment-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    padding: 0.65rem 0.5rem;
    font-size: 0.72rem;
    color: var(--muted);
    border-right: 1px solid var(--border);
    transition: background 0.2s, color 0.2s;
}
.payment-step:last-child { border-right: none; }
.payment-step-num {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 0.75rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
}
.payment-step.is-active {
    background: rgba(74, 45, 143, 0.12);
    color: var(--text);
}
.payment-step.is-active .payment-step-num {
    background: var(--purple);
    border-color: var(--purple);
    color: #fff;
}
.payment-step.is-done { color: var(--success); }
.payment-step.is-done .payment-step-num {
    background: rgba(46, 204, 113, 0.15);
    border-color: rgba(46, 204, 113, 0.4);
    color: var(--success);
}
.payment-step-label { font-weight: 600; text-align: center; }

.payment-phase { transition: opacity 0.3s, max-height 0.35s; }
.payment-phase.is-collapsed {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    margin: 0;
    padding: 0;
    pointer-events: none;
}
.payment-phase-desc {
    margin: 0 0 1rem;
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.5;
}
.payment-callout {
    display: flex;
    gap: 0.65rem;
    align-items: flex-start;
    padding: 0.85rem 1rem;
    margin-bottom: 1rem;
    border-radius: 12px;
    background: rgba(74, 45, 143, 0.08);
    border: 1px solid rgba(74, 45, 143, 0.18);
    font-size: 0.88rem;
    color: var(--muted);
}
.payment-callout p { margin: 0; line-height: 1.45; }
.payment-callout svg { flex-shrink: 0; color: var(--purple); margin-top: 0.1rem; }
.payment-callout a { color: var(--cyan); font-weight: 600; }
.payment-submit-btn {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.payment-submit-btn.is-loading { opacity: 0.75; pointer-events: none; }

.payment-creating-state {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.25rem 1rem;
    border-radius: 12px;
    background: rgba(74, 45, 143, 0.06);
    border: 1px dashed rgba(74, 45, 143, 0.2);
    color: var(--muted);
    font-size: 0.9rem;
}
.payment-creating-state.is-error {
    flex-direction: column;
    gap: 0.65rem;
}
.payment-creating-error {
    margin: 0;
    text-align: center;
    color: #c0392b;
    font-size: 0.88rem;
}
.payment-creating-spinner {
    width: 1.1rem;
    height: 1.1rem;
    border: 2px solid rgba(74, 45, 143, 0.2);
    border-top-color: var(--purple);
    border-radius: 50%;
    animation: payment-spin 0.7s linear infinite;
}
@keyframes payment-spin {
    to { transform: rotate(360deg); }
}

.payment-transfer-panel { margin-top: 0.5rem; }
.payment-transfer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    align-items: stretch;
}
.payment-transfer-grid--status { margin-top: 1rem; }
.payment-transfer-grid--manual-only {
    grid-template-columns: 1fr;
}
.payment-qr-missing-hint {
    margin: 1rem 0 0;
    font-size: 0.82rem;
    color: var(--muted);
}
.payment-qr-column { min-width: 0; }
.payment-qr-card,
.payment-bank-card {
    height: 100%;
    padding: 1.15rem 1.25rem;
    border-radius: 14px;
    background: rgba(0, 0, 0, 0.14);
    border: 1px solid var(--border);
}
.payment-qr-card { text-align: center; }
.payment-qr-title {
    margin: 0 0 1rem;
    font-family: var(--display);
    font-size: 0.95rem;
    text-align: left;
}
.payment-qr-frame {
    display: inline-block;
    padding: 0.85rem;
    border-radius: 16px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 8px 32px rgba(74, 45, 143, 0.12);
}
.payment-qr-hint {
    margin: 1rem 0 0;
    font-size: 0.8rem;
    color: var(--muted);
    line-height: 1.45;
    text-align: left;
}
.payment-bank-subtitle {
    margin: -0.35rem 0 1rem;
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.45;
}
.payment-bank-title {
    margin: 0 0 0.35rem;
    font-size: 0.95rem;
    font-family: var(--display);
}
.payment-bank-rows {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.payment-bank-row {
    display: grid;
    grid-template-columns: 7rem minmax(0, 1fr) auto;
    gap: 0.65rem 1rem;
    align-items: center;
    padding: 0.65rem 0.85rem;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.12);
    border: 1px solid var(--border);
    font-size: 0.88rem;
}
.payment-bank-spacer { width: 3.25rem; }
.payment-bank-row--highlight {
    background: rgba(74, 45, 143, 0.1);
    border-color: rgba(74, 45, 143, 0.22);
}
.payment-bank-label {
    font-size: 0.78rem;
    color: var(--muted);
    font-weight: 500;
}
.payment-bank-value { font-weight: 600; word-break: break-all; }
.payment-bank-value--mono { font-family: 'IBM Plex Mono', monospace; letter-spacing: 0.03em; }
.payment-bank-value--amount { color: var(--cyan); font-size: 1rem; }
.payment-transfer-code {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9rem;
    letter-spacing: 0.03em;
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.2);
    word-break: break-all;
}
.payment-copy-btn {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
    white-space: nowrap;
}
.payment-copy-btn:hover { color: var(--text); border-color: rgba(74, 45, 143, 0.35); }
.payment-copy-btn.is-copied {
    color: var(--success);
    border-color: rgba(46, 204, 113, 0.4);
    background: rgba(46, 204, 113, 0.1);
}
.payment-bank-note {
    margin: 0.85rem 0 0;
    font-size: 0.78rem;
    color: var(--muted);
    line-height: 1.45;
}
.payment-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.35rem;
    padding-top: 1.15rem;
    border-top: 1px solid var(--border);
}

.payment-status-head { margin-bottom: 1rem; }
.payment-order-code {
    margin: 0.35rem 0 0;
    font-size: 0.88rem;
    color: var(--muted);
}
.payment-status-product {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.25rem 1rem;
    padding: 1rem 1.1rem;
    margin-bottom: 1rem;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border);
}
.payment-status-type {
    grid-column: 1 / -1;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
}
.payment-status-amount {
    font-family: var(--display);
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--cyan);
    align-self: center;
}
.payment-status-badge-wrap { margin-bottom: 1rem; }
.payment-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 600;
}
.payment-status-badge.is-pending {
    background: rgba(74, 45, 143, 0.12);
    color: var(--purple);
    border: 1px solid rgba(74, 45, 143, 0.2);
}
.payment-status-badge.is-paid {
    background: rgba(46, 204, 113, 0.12);
    color: var(--success);
    border: 1px solid rgba(46, 204, 113, 0.3);
}
.payment-live-hint p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--muted);
    line-height: 1.45;
}
.payment-success-panel { margin-top: 0.5rem; }

.payment-exam-ready {
    text-align: center;
    padding: 1.5rem 1rem 0.5rem;
}

.payment-exam-ready-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(13, 159, 110, 0.12);
    color: var(--success);
}

.payment-exam-ready-title {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
    font-weight: 800;
}

.payment-exam-ready-hint {
    margin: 0 0 1.25rem;
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.5;
}

.payment-exam-ready-later {
    margin: 0.85rem 0 0;
}

/* ——— Gói nhóm ——— */
.group-manage-grid {
    display: grid;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}
@media (min-width: 768px) {
    .group-manage-grid { grid-template-columns: 1fr 1fr; }
}
.group-invite-url-row {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}
.group-invite-url {
    flex: 1;
    font-size: 0.82rem;
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.04);
    color: var(--text);
}
.group-emails-input {
    width: 100%;
    min-height: 120px;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.04);
    color: var(--text);
    font-family: inherit;
    resize: vertical;
}
.group-members-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    margin-top: 0.75rem;
}
.group-members-table th,
.group-members-table td {
    padding: 0.55rem 0.65rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.group-members-table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
}
.group-status {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.group-status-active {
    background: rgba(46, 204, 113, 0.12);
    color: var(--success);
}
.group-status-invited {
    background: rgba(74, 45, 143, 0.12);
    color: var(--purple);
}
.package-pick-tag-group {
    background: rgba(13, 159, 110, 0.12);
    color: var(--cyan);
    border-color: rgba(13, 159, 110, 0.25);
}
.package-pick-card.is-group {
    border-color: rgba(13, 159, 110, 0.35);
}

.subscription-expired-banner {
    margin-bottom: 1.25rem;
    padding: 1rem 1.25rem;
    border-left: 3px solid var(--warning, #e67e22);
    background: rgba(230, 126, 34, 0.08);
}

.writing-ai-pending {
    text-align: center;
    padding: 1.5rem;
    margin-top: 1rem;
}
.writing-ai-pending-card {
    padding: 1.75rem 1.5rem;
    max-width: 560px;
    margin: 0 auto;
}
.writing-pending-page .page-header {
    margin-bottom: 1.25rem;
}
.writing-grading-progress-panel {
    text-align: center;
}
.writing-grading-progress-head {
    margin-bottom: 1.25rem;
}
.writing-grading-progress-title {
    margin: 0 0 0.35rem;
    font-size: 1.35rem;
}
.writing-grading-progress-sub {
    margin: 0;
    font-size: 0.9rem;
}
.writing-grading-progress-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    margin-bottom: 0.45rem;
    text-align: left;
}
.writing-grading-progress-meta strong {
    font-variant-numeric: tabular-nums;
    color: var(--primary, #4a2d8f);
}
.writing-grading-progress-track {
    margin-bottom: 1.25rem;
}
.writing-grading-progress-fill {
    transition: width 0.5s ease;
}
.writing-grading-steps {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}
.writing-grading-step {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.9rem;
    color: var(--text-muted, #64748b);
    transition: color 0.25s ease;
}
.writing-grading-step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(74, 45, 143, 0.25);
    flex-shrink: 0;
    transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.writing-grading-step.is-active {
    color: var(--text, #1e293b);
    font-weight: 600;
}
.writing-grading-step.is-active .writing-grading-step-dot {
    border-color: #7c3aed;
    background: #7c3aed;
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.18);
}
.writing-grading-step.is-done {
    color: var(--text, #1e293b);
}
.writing-grading-step.is-done .writing-grading-step-dot {
    border-color: #0d9f6e;
    background: #0d9f6e;
}
.writing-grading-hint {
    margin: 0;
    font-size: 0.85rem;
}
.writing-history-detail-link {
    margin-top: 0.75rem;
}
.writing-pending-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 1rem;
    border: 3px solid rgba(13, 159, 110, 0.2);
    border-top-color: var(--cyan);
    border-radius: 50%;
    animation: writing-spin 0.9s linear infinite;
}
@keyframes writing-spin {
    to { transform: rotate(360deg); }
}
.payment-success-msg {
    margin: 0 0 1rem;
    color: var(--success);
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.45;
}

/* Payment — desktop */
@media (min-width: 901px) {
    .payment-checkout {
        grid-template-columns: 340px minmax(0, 1fr);
        gap: 1.75rem;
    }
    .payment-checkout.is-transfer-active {
        grid-template-columns: 1fr;
        max-width: 920px;
        margin: 0 auto;
    }
    .payment-checkout.is-transfer-active .payment-summary-card {
        display: none;
    }
    .payment-checkout.is-transfer-active .payment-action-card {
        padding: 2rem 2.25rem;
    }
    .payment-summary-card,
    .payment-action-card {
        padding: 1.75rem 2rem;
    }
    .payment-product-title { font-size: 1.75rem; }
    .payment-price-amount { font-size: 2.35rem; }
    .payment-submit-btn {
        width: auto;
        min-width: 280px;
        max-width: 100%;
    }
    .payment-transfer-grid {
        grid-template-columns: 300px minmax(0, 1fr);
        gap: 1.5rem;
    }
    .payment-qr-card { padding: 1.35rem 1.5rem; }
    .payment-bank-card { padding: 1.35rem 1.5rem; }
    .payment-bank-row {
        grid-template-columns: 8.5rem minmax(0, 1fr) 4.5rem;
        padding: 0.75rem 1rem;
        font-size: 0.92rem;
    }
    .payment-transfer-code { font-size: 0.95rem; }
    .payment-bank-value--amount { font-size: 1.15rem; }
    .checkout-qr-img {
        width: 220px;
        height: 220px;
    }
    .payment-steps { margin-bottom: 1.75rem; }
    .payment-step { padding: 0.85rem 0.75rem; }
    .payment-step-label { font-size: 0.78rem; }
    .payment-live-banner { padding: 0.85rem 1.1rem; font-size: 0.9rem; }
    .payment-status-layout { max-width: 800px; }
    .payment-status-main { padding: 2rem 2.25rem; }
    .payment-transfer-grid--status {
        grid-template-columns: 280px minmax(0, 1fr);
        gap: 1.5rem;
    }
}

/* Payment realtime poll */
.payment-live-banner {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 0.85rem;
    margin-bottom: 1rem;
    border-radius: 10px;
    background: rgba(74, 45, 143, 0.08);
    border: 1px solid rgba(74, 45, 143, 0.15);
    font-size: 0.85rem;
    color: var(--purple);
    font-weight: 500;
}
.payment-live-banner.is-paid {
    background: rgba(46, 204, 113, 0.12);
    border-color: rgba(46, 204, 113, 0.35);
    color: var(--success);
}
.payment-live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--purple);
    flex-shrink: 0;
    animation: payment-pulse 1.2s ease-in-out infinite;
}
.payment-live-banner.is-paid .payment-live-dot {
    background: var(--success);
    animation: none;
}
.payment-reused-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem 1rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border-radius: 10px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.28);
    font-size: 0.88rem;
    color: #b45309;
    font-weight: 500;
}
.payment-reused-link {
    font-size: 0.82rem;
    font-weight: 600;
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
    white-space: nowrap;
}
@keyframes payment-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.45; transform: scale(0.85); }
}
.status-paid { color: var(--success); font-weight: 600; }
.status-pending { color: var(--purple); font-weight: 500; }

.text-center { text-align: center; }

/* Practice */
.practice-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.back-link { color: var(--muted); font-size: 0.9rem; text-decoration: none; }
.back-link:hover { color: var(--cyan); }
.practice-badge {
    background: var(--primary-dim);
    color: var(--cyan);
    border: 1px solid rgba(0, 212, 255, 0.25);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.4rem 0.85rem;
    border-radius: 99px;
}
.practice-layout {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 1.25rem;
    align-items: start;
}
.passage-panel, .questions-panel { padding: 1.5rem; }
.passage-panel h1, .questions-panel h2 {
    font-family: var(--display);
    font-size: 1.25rem;
    margin: 0 0 1rem;
}
.instruction {
    background: rgba(167, 139, 250, 0.08);
    border: 1px solid rgba(167, 139, 250, 0.2);
    padding: 0.85rem 1rem;
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 1.25rem;
}
.opinions-grid { display: flex; flex-direction: column; gap: 0.75rem; }
.opinion-card {
    padding: 1rem 1.15rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    border-left: 3px solid var(--cyan);
    background: rgba(0,0,0,0.2);
    transition: border-color 0.2s;
}
.opinion-card header { font-weight: 700; color: var(--cyan); margin-bottom: 0.5rem; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; }
.opinion-card p { margin: 0; font-size: 0.92rem; line-height: 1.7; color: var(--muted); }
.opinion-card.highlight { border-left-color: var(--violet); background: rgba(167, 139, 250, 0.06); }

.question-block {
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 0 0 1.25rem;
    margin: 0 0 1.25rem;
}
.question-block legend { font-weight: 600; margin-bottom: 0.85rem; font-size: 0.95rem; }
.options { display: flex; flex-direction: column; gap: 0.5rem; }
.option-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s;
    background: rgba(0,0,0,0.15);
}
.option-label:hover { border-color: var(--border-hover); background: rgba(0, 212, 255, 0.04); }
.option-label input { margin-top: 0.15rem; accent-color: var(--cyan); }
.option-label.correct { border-color: rgba(52, 211, 153, 0.5); background: rgba(52, 211, 153, 0.08); }
.option-label.wrong { border-color: rgba(248, 113, 113, 0.5); background: rgba(248, 113, 113, 0.08); }
.question-feedback { font-size: 0.85rem; margin-top: 0.5rem; font-weight: 600; }
.result-summary {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--primary-dim);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius);
    text-align: center;
    font-size: 1.15rem;
    font-family: var(--display);
    font-weight: 700;
}

.exam-set-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}
.exam-set-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.25rem 1.35rem;
    text-decoration: none;
    color: var(--text);
    min-height: 140px;
}
.exam-set-card:hover { text-decoration: none; color: var(--text); }
.exam-set-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}
.exam-set-code {
    font-family: var(--display);
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--primary);
}
.exam-set-badge {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.25rem 0.55rem;
    border-radius: 99px;
}
.exam-set-badge.complete { background: #e6f7f1; color: #0d9f6e; }
.exam-set-badge.partial { background: #fef9e7; color: #b7791f; }
.exam-set-desc { margin: 0; font-size: 0.88rem; color: var(--muted); flex: 1; }
.exam-set-partial { border-style: dashed; }

.exam-complete-tag { color: var(--success); font-weight: 600; }
.exam-partial-tag { color: var(--cyan); font-weight: 600; font-size: 0.92em; }

.exam-code-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
.exam-code-card {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1.1rem 1.25rem;
    text-decoration: none;
    color: var(--text);
    position: relative;
}
.exam-code-card:hover { text-decoration: none; color: var(--text); }
.exam-code-badge {
    font-family: var(--display);
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--primary);
}
.exam-code-meta { font-size: 0.82rem; color: var(--muted); }
.exam-code-card .lesson-arrow {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
}
.exam-code-card.is-locked { gap: 0.65rem; }
.exam-live-eye {
    position: absolute;
    top: 0.55rem;
    right: 0.65rem;
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--muted);
    line-height: 1;
    pointer-events: none;
    z-index: 1;
}
.exam-live-eye svg { flex-shrink: 0; opacity: 0.9; color: var(--cyan); }
.exam-code-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.25rem;
}
.exam-access-tag {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--success);
}
.exam-access-tag.purchased { color: var(--success); }
.checkout-qr-img {
    display: block;
    border-radius: 8px;
}
.part-practice-card.is-locked { opacity: 0.85; }

.pool-stats { padding: 1.25rem 1.5rem; margin-top: 1rem; }
.pool-stats-title { margin: 0 0 0.75rem; font-size: 0.95rem; }
.pool-stats-list {
    list-style: none;
    margin: 0 0 0.75rem;
    padding: 0;
    display: grid;
    gap: 0.4rem;
}
.pool-stats-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
}
.pool-stats-list strong { color: var(--primary); margin-left: auto; }
.pool-summary { margin: 0; font-size: 0.82rem; color: var(--muted); }
.pool-empty-notice { padding: 1.25rem; color: var(--muted); }
.practice-section-desc { color: var(--muted); font-size: 0.92rem; margin: -0.5rem 0 1rem; }

.practice-page-header { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.practice-tab-desc { color: var(--muted); margin: 0.35rem 0 0; font-size: 0.95rem; }

.practice-skill-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0.4rem;
    margin-bottom: 1.5rem;
    border-radius: 14px;
}
.practice-skill-tab {
    flex: 1 1 auto;
    min-width: 7rem;
    padding: 0.7rem 1rem;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--muted);
    font-family: var(--display);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
.practice-skill-tab:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.practice-skill-tab.is-active {
    color: #fff;
    background: linear-gradient(135deg, var(--violet), #4a2d8f);
    box-shadow: 0 4px 14px rgba(74, 45, 143, 0.35);
}
.practice-skill-tab.skill-reading.is-active { background: linear-gradient(135deg, #4a2d8f, #6d4cbc); }
.practice-skill-tab.skill-listening.is-active { background: linear-gradient(135deg, #0e7490, #06b6d4); }
.practice-skill-tab.skill-writing.is-active { background: linear-gradient(135deg, #b45309, #f59e0b); }
.practice-skill-tab.skill-speaking.is-active { background: linear-gradient(135deg, #be185d, #ec4899); }
.practice-skill-tab.skill-grammar.is-active { background: linear-gradient(135deg, #047857, #10b981); }

.practice-tab-panels { min-height: 200px; }
.practice-tab-panel { animation: practiceTabIn 0.25s ease; }
.practice-tab-panel[hidden] { display: none !important; }
@keyframes practiceTabIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}
.practice-subheading {
    font-family: var(--display);
    font-size: 1rem;
    margin: 2rem 0 0.5rem;
}

.practice-section { margin-bottom: 2rem; }
.practice-part-group { margin-bottom: 1.75rem; }
.practice-part-label {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin: 0 0 0.75rem;
}
.practice-section h2 {
    font-family: var(--display);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.lesson-list { display: flex; flex-direction: column; gap: 0.6rem; }
.lesson-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    text-decoration: none;
    color: var(--text);
    transition: all 0.2s;
}
.lesson-item:hover { transform: translateX(4px); border-color: var(--border-hover) !important; text-decoration: none; color: var(--text); }
.lesson-part {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--cyan);
    background: var(--primary-dim);
    border: 1px solid rgba(0, 212, 255, 0.2);
    padding: 0.25rem 0.55rem;
    border-radius: 6px;
    text-transform: uppercase;
}
.lesson-title { flex: 1; font-weight: 500; font-size: 0.95rem; }
.lesson-arrow { color: var(--muted); transition: transform 0.2s; }
.lesson-item:hover .lesson-arrow { transform: translateX(4px); color: var(--cyan); }

/* Admin */
.admin-body { display: flex; min-height: 100vh; margin: 0; background: var(--bg); }
.admin-sidebar {
    width: 240px;
    background: var(--primary);
    border-right: none;
    padding: 1.5rem 1rem;
    flex-shrink: 0;
}
.admin-sidebar .logo { color: #ffffff; margin-bottom: 2rem; display: flex; text-decoration: none; }
.admin-sidebar nav { display: flex; flex-direction: column; gap: 0.2rem; }
.admin-sidebar a {
    color: rgba(255,255,255,0.8);
    padding: 0.7rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}
.admin-sidebar a:hover { background: rgba(255,255,255,0.12); color: #ffffff; text-decoration: none; }
.admin-sidebar hr { border: none; border-top: 1px solid rgba(255,255,255,0.15); margin: 1rem 0; }
.admin-main { flex: 1; padding: 2rem; overflow-x: auto; }
.admin-topbar h1 { margin: 0 0 1.5rem; font-family: var(--display); font-size: 1.5rem; }
.admin-content { max-width: 1100px; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card { padding: 1.35rem; }
.stat-card span { display: block; font-size: 0.82rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-card strong { font-family: var(--display); font-size: 2.25rem; color: var(--cyan); }
.admin-panel { padding: 1.5rem; margin-bottom: 1.25rem; }
.admin-panel h2 { margin: 0 0 1.25rem; font-size: 1.05rem; font-weight: 600; }
.form-inline { display: flex; flex-wrap: wrap; gap: 1rem; align-items: flex-end; }
.form-inline .form-group { margin: 0; }
.admin-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.admin-actions-wrap { margin-bottom: 1.5rem; }
.admin-content-wide { max-width: 1280px; }
.stats-grid-4 { grid-template-columns: repeat(4, 1fr); }
.stats-grid-3 { grid-template-columns: repeat(3, 1fr); }
.admin-nav-link.is-active { background: rgba(255,255,255,0.18); color: #fff; }
.admin-nav-back { opacity: 0.75; }
.admin-tabs { display: flex; gap: 0.35rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.admin-tab {
    padding: 0.45rem 0.9rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--muted);
    border: 1px solid var(--border);
    background: var(--bg-elevated);
}
.admin-tab:hover { color: var(--text); text-decoration: none; }
.admin-tab.is-active { background: var(--primary); color: #fff; border-color: var(--primary); }
.admin-toolbar { padding: 1rem 1.25rem; margin-bottom: 1rem; }
.admin-search-form { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.admin-search-input {
    flex: 1;
    min-width: 200px;
    padding: 0.55rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
}
.admin-inline-form { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.input-sm { padding: 0.35rem 0.5rem; font-size: 0.82rem; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); }
.input-days { width: 4rem; }
.input-title { min-width: 10rem; flex: 1; }
.admin-stack { display: flex; flex-direction: column; gap: 1.25rem; }
.admin-grid-2 { grid-template-columns: 1.2fr 1fr; }
.admin-breadcrumb { margin: 0 0 1rem; font-size: 0.9rem; }
.admin-breadcrumb a { color: var(--cyan); }
.admin-panel-danger { border: 1px solid rgba(248, 113, 113, 0.25); }
.admin-package-card { padding: 1.25rem; margin: 1rem 0; }

/* Admin packages */
.admin-packages-page .admin-pkg-features-card { margin-bottom: 1.25rem; }
.admin-pkg-feature-toggles { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin-top: 0.75rem; }
.admin-pkg-feature-toggle {
    display: flex; align-items: center; gap: 0.85rem; flex: 1 1 280px;
    padding: 0.85rem 1rem; border: 1px solid var(--border); border-radius: 12px;
    background: rgba(0,0,0,0.15); cursor: pointer;
}
.admin-pkg-feature-toggle.is-on { border-color: rgba(52, 211, 153, 0.35); background: rgba(52, 211, 153, 0.06); }
.admin-pkg-feature-toggle input { width: 1.1rem; height: 1.1rem; accent-color: var(--cyan); }
.admin-pkg-feature-toggle-body { display: flex; flex-direction: column; gap: 0.15rem; flex: 1; }
.admin-pkg-feature-toggle-body small { color: var(--muted); font-size: 0.82rem; }
.admin-pkg-feature-state { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.admin-pkg-feature-toggle.is-on .admin-pkg-feature-state { color: #6ee7b7; }
.admin-pkg-feature-note { margin: 0.75rem 0 0; }
.admin-pkg-list { display: grid; gap: 0.85rem; }
.admin-pkg-card { padding: 1rem 1.15rem; border: 1px solid var(--border); }
.admin-pkg-card.is-inactive { opacity: 0.72; }
.admin-pkg-card.is-group { border-color: rgba(251, 191, 36, 0.25); }
.admin-pkg-card-head { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.admin-pkg-card-head h3 { margin: 0; font-size: 1.05rem; }
.admin-pkg-card-meta { margin: 0.3rem 0 0; font-size: 0.82rem; color: var(--muted); }
.admin-pkg-status { font-size: 0.72rem; font-weight: 600; padding: 0.25rem 0.55rem; border-radius: 999px; background: rgba(255,255,255,0.06); color: var(--muted); }
.admin-pkg-status.is-active { background: rgba(52, 211, 153, 0.12); color: #6ee7b7; }
.admin-pkg-details { margin-top: 0.75rem; }
.admin-pkg-details summary { cursor: pointer; font-size: 0.88rem; color: var(--cyan); font-weight: 500; }
.admin-pkg-details[open] summary { margin-bottom: 1rem; }
.admin-pkg-form { display: grid; gap: 1rem; margin-top: 0.5rem; }
.admin-pkg-section { padding: 1rem; border: 1px solid var(--border); border-radius: 10px; background: rgba(0,0,0,0.12); }
.admin-pkg-section--group { border-color: rgba(251, 191, 36, 0.2); }
.admin-pkg-section-title { margin: 0 0 0.75rem; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.admin-pkg-fields { display: grid; gap: 0.75rem; }
.admin-pkg-fields--3 { grid-template-columns: repeat(3, 1fr); }
.admin-pkg-fields label, .admin-pkg-section > label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.88rem; }
.admin-pkg-group-toggle { flex-direction: row !important; align-items: center; gap: 0.5rem !important; margin-bottom: 0.65rem; }
.admin-pkg-group-fields { max-width: 220px; }
.admin-pkg-create-card { margin-top: 1.25rem; }
@media (max-width: 900px) {
    .admin-pkg-fields--3 { grid-template-columns: 1fr; }
}
.form-row-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
.checkbox-label { display: flex !important; align-items: center; gap: 0.5rem; font-weight: 400; }
.checkbox-label input { width: auto; margin: 0; }
.data-table-compact th, .data-table-compact td { padding: 0.5rem 0.75rem; }
.row-muted td { opacity: 0.55; }
.admin-body .tag-muted { color: var(--muted); font-size: 0.8rem; }
.admin-body .text-muted { color: var(--muted); font-size: 0.88rem; }
.btn-danger { background: var(--error); color: #fff; border: none; }
.btn-danger:hover { filter: brightness(1.08); }
.btn-danger-outline { border: 1px solid rgba(248, 113, 113, 0.5); color: var(--error); background: transparent; }
.btn-danger-outline:hover { background: rgba(248, 113, 113, 0.1); }
.admin-actions-cell { white-space: nowrap; }
.admin-info-list { margin: 0; padding-left: 1.25rem; line-height: 1.8; color: var(--muted); font-size: 0.9rem; }
.admin-cron-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.admin-cron-item { padding: 0.85rem 1rem; border: 1px solid var(--border); border-radius: 10px; background: rgba(0,0,0,0.15); }
.admin-cron-item-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.35rem 1rem; align-items: baseline; }
.admin-cron-url-row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.admin-cron-primary-box { padding: 1rem 1.1rem; background: rgba(56, 189, 248, 0.06); border: 1px solid rgba(56, 189, 248, 0.2); border-radius: 10px; }
.admin-cron-url { flex: 1 1 200px; font-size: 0.72rem; word-break: break-all; padding: 0.35rem 0.5rem; background: rgba(0,0,0,0.25); border-radius: 6px; }
.admin-body .form-hint { font-size: 0.85rem; color: var(--muted); margin: -0.5rem 0 1rem; }

/* Casso admin */
.admin-casso-panel { padding: 1.35rem 1.5rem; margin-bottom: 1.25rem; border: 1px solid rgba(56, 189, 248, 0.22); background: linear-gradient(135deg, rgba(56, 189, 248, 0.06), rgba(0,0,0,0.12)); }
.admin-casso-panel--compact { padding: 1rem 1.15rem; }
.admin-casso-panel--compact .admin-casso-grid { grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
.admin-casso-panel--compact .admin-casso-card { padding: 0.75rem 0.85rem; }
.admin-casso-panel--compact .admin-casso-title { font-size: 1rem; margin: 0.15rem 0 0.5rem; }
.admin-casso-panel--compact .admin-casso-card h3 { font-size: 0.8rem; }
.admin-casso-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem 1.5rem; align-items: flex-start; margin-bottom: 1rem; }
.admin-casso-title { margin: 0.2rem 0 0; font-size: 1.15rem; font-weight: 600; }
.admin-casso-lead { margin: 0.35rem 0 0; max-width: 52ch; }
.admin-casso-status { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; padding: 0.35rem 0.65rem; border-radius: 999px; }
.admin-casso-status.is-ready { background: rgba(52, 211, 153, 0.15); color: #6ee7b7; border: 1px solid rgba(52, 211, 153, 0.35); }
.admin-casso-status.is-pending { background: rgba(251, 191, 36, 0.12); color: #fcd34d; border: 1px solid rgba(251, 191, 36, 0.3); }
.admin-casso-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.admin-casso-card { padding: 1rem 1.1rem; border: 1px solid var(--border); border-radius: 10px; background: rgba(0,0,0,0.18); }
.admin-casso-card h3 { margin: 0 0 0.65rem; font-size: 0.85rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.admin-casso-dl { margin: 0; display: grid; gap: 0.55rem; }
.admin-casso-dl dt { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.admin-casso-dl dd { margin: 0; font-size: 0.9rem; }
.admin-casso-format-example { margin: 0 0 0.65rem; }
.admin-casso-format-example code { font-size: 1.35rem; padding: 0.35rem 0.75rem; letter-spacing: 0.08em; }
.admin-casso-rules { margin: 0; padding-left: 1.1rem; }
.admin-casso-foot { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.1rem; }
.admin-casso-hint { margin: -0.5rem 0 1rem; }
.admin-casso-callout { margin-bottom: 1.25rem; }
.admin-transfer-code { font-size: 0.82rem; letter-spacing: 0.05em; }
.admin-casso-form { margin-top: 0.25rem; }
.admin-casso-form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.admin-casso-form-col { display: flex; flex-direction: column; gap: 0.85rem; }
.admin-casso-form-heading { margin: 0 0 0.15rem; font-size: 0.85rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.admin-casso-check { margin: 0 0 0.25rem; }
.admin-casso-readonly-field { margin-top: 0.25rem; }
.admin-casso-readonly-label { display: block; font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.35rem; }
.admin-casso-panel--editable .admin-casso-foot { margin-top: 1.35rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.admin-casso-secret { font-size: 0.68rem; word-break: break-all; }
.admin-body .text-ok { color: #6ee7b7; }
.admin-body .text-warn { color: #fcd34d; }
@media (max-width: 1000px) {
    .admin-casso-grid, .admin-casso-panel--compact .admin-casso-grid, .admin-casso-form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 1100px) {
    .stats-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
    .form-row-3, .admin-grid-2 { grid-template-columns: 1fr; }
}

.table-wrap { overflow-x: auto; border-radius: 10px; border: 1px solid var(--border); }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.data-table th, .data-table td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { font-weight: 600; color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; background: rgba(0,0,0,0.2); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.data-table code {
    background: rgba(0, 212, 255, 0.1);
    color: var(--cyan);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    font-size: 0.82rem;
    border: 1px solid rgba(0, 212, 255, 0.2);
}
.tag { display: inline-block; font-size: 0.7rem; padding: 0.2rem 0.5rem; border-radius: 6px; font-weight: 600; }
.tag-free { background: rgba(52, 211, 153, 0.15); color: var(--success); }
.tag-used { background: rgba(255,255,255,0.06); color: var(--muted); }
.key-list { list-style: none; padding: 0; }
.key-list li { padding: 0.35rem 0; font-family: monospace; color: var(--cyan); }

/* Legacy alert (admin) */
.alert {
    padding: 0.85rem 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    border: 1px solid var(--border);
}
.alert-success { background: rgba(52, 211, 153, 0.1); color: var(--success); }
.alert-error { background: rgba(248, 113, 113, 0.1); color: var(--error); }

/* Responsive */
@media (max-width: 900px) {
    .hero-grid, .activate-grid, .activate-layout, .register-layout, .practice-layout, .steps, .dashboard-unlock-grid, .unlock-options-grid, .payment-checkout { grid-template-columns: 1fr; }
    .payment-summary-card { position: static; }
    .payment-transfer-grid { grid-template-columns: 1fr; }
    .payment-bank-row {
        grid-template-columns: 1fr;
        gap: 0.3rem;
    }
    .payment-bank-spacer { display: none; }
    .payment-copy-btn { justify-self: start; margin-top: 0.15rem; }
    .float-badge { display: none; }
    .onboarding-steps { flex-wrap: wrap; gap: 0.5rem; }
    .onboarding-connector { width: 24px; }
    .onboarding-step-text small { display: none; }
    .practice-skill-tabs { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .practice-skill-tab { flex: 0 0 auto; min-width: 5.5rem; font-size: 0.82rem; padding: 0.6rem 0.85rem; }
}
@media (max-width: 768px) {
    .form-row, .stats-grid { grid-template-columns: 1fr; }
    .nav .nav-link { display: none; }
    .admin-body { flex-direction: column; }
    .admin-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); }
    .hero { padding-top: 3rem; }
    .hero-trust { gap: 1.25rem; }
}

/* History & review */
.history-list { display: flex; flex-direction: column; gap: 0.75rem; }
.history-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1rem 1.25rem; gap: 1rem; flex-wrap: wrap;
}
.history-item-writing { align-items: flex-start; }
.history-writing-progress { margin-top: 0.5rem; width: min(100%, 280px); }
.history-writing-progress-track { height: 6px; border-radius: 999px; background: rgba(0,0,0,0.08); overflow: hidden; margin-bottom: 0.25rem; }
.history-writing-progress-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, #4a2d8f, #7c3aed); transition: width 0.35s ease; }
.history-meta { display: block; font-size: 0.85rem; color: var(--text-muted); margin-top: 0.25rem; }
.history-pct.good { color: var(--success); }
.history-pct.mid { color: #f59e0b; }
.history-pct.low { color: var(--error); }
.part-stats-bars { display: flex; flex-direction: column; gap: 0.5rem; }
.part-stat-row { display: grid; grid-template-columns: 60px 1fr 40px; align-items: center; gap: 0.75rem; font-size: 0.9rem; }
.part-stat-bar { height: 8px; background: var(--border); border-radius: 99px; overflow: hidden; }
.part-stat-bar div { height: 100%; background: var(--cyan); border-radius: 99px; }
.review-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.review-table th, .review-table td { padding: 0.5rem 0.75rem; text-align: left; border-bottom: 1px solid var(--border); }
.review-table .row-correct { background: rgba(52, 211, 153, 0.08); }
.review-table .row-wrong { background: rgba(248, 113, 113, 0.08); }
.part-practice-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; }
.part-practice-grid--topics { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.part-practice-card--topic { padding: 0.85rem 1rem; }
.part-practice-card--topic.is-empty { opacity: 0.72; }
.part-practice-topic-num {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--bc-purple, #5b21b6);
    margin-bottom: 0.25rem;
}
.part-practice-topic-name {
    display: block;
    font-size: 0.92rem;
    line-height: 1.35;
}
.part-practice-card { padding: 1rem; }
.part-practice-links { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.75rem; }

/* Writing tab */
.writing-club-list { margin-bottom: 1.25rem; }
.writing-retail-actions { gap: 0.5rem; }
.exam-access-tag.graded { color: #f59e0b; }
.writing-tier-picker {
    display: grid;
    gap: 0.65rem;
    margin: 1rem 0 1.25rem;
}
.writing-tier-option {
    display: grid;
    gap: 0.15rem;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s, background 0.15s;
}
.writing-tier-option:hover { border-color: rgba(245, 158, 11, 0.35); }
.writing-tier-option.is-selected {
    border-color: rgba(245, 158, 11, 0.65);
    background: rgba(245, 158, 11, 0.08);
}
.writing-tier-price {
    font-size: 1.35rem;
    font-weight: 800;
    color: #f59e0b;
    line-height: 1;
}
.writing-tier-price small { font-size: 0.75rem; font-weight: 700; }
.writing-tier-desc { font-size: 0.8rem; color: var(--muted); }
.writing-part-card { padding: 1rem 1.1rem; }
.writing-part-num {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #f59e0b;
    margin-bottom: 0.25rem;
}
.writing-part-desc {
    font-size: 0.82rem !important;
    display: block;
    margin: 0.25rem 0 0.35rem;
    line-height: 1.4;
}
.writing-part-time {
    font-size: 0.75rem;
    color: var(--muted);
    font-weight: 600;
}
.writing-grade-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem 1.25rem;
    margin: 1.5rem 0;
}
.pool-stats-total {
    border-top: 1px solid var(--border);
    margin-top: 0.35rem;
    padding-top: 0.5rem;
}
.aptis-writing-study-notice a { color: inherit; text-decoration: underline; }
.aptis-part4-study-notice,
.aptis-writing-study-notice {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 0.85rem 1rem;
    border-radius: 10px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.25);
    font-size: 0.9rem;
    line-height: 1.5;
}
.aptis-part4-study-notice-icon {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #f59e0b;
    color: #fff;
    font-weight: 700;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.aptis-part4-study-notice p,
.aptis-writing-study-notice p { margin: 0; }
.transfer-code { display: inline-block; padding: 0.5rem 0.75rem; background: var(--bg-elevated); border-radius: 8px; font-family: monospace; font-size: 1rem; }
.bank-info { display: grid; grid-template-columns: 120px 1fr; gap: 0.35rem 1rem; font-size: 0.95rem; }
.bank-info dt { color: var(--text-muted); }
.status-paid { color: var(--success); font-weight: 600; }
.status-pending { color: #f59e0b; font-weight: 600; }
.admin-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 1.5rem; }
.admin-form label { display: block; margin-bottom: 1rem; font-size: 0.9rem; }
.admin-form input, .admin-form select, .admin-form textarea {
    display: block; width: 100%; margin-top: 0.35rem; padding: 0.5rem;
    border: 1px solid var(--border); border-radius: 8px; background: var(--bg);
}
.tag-ok { color: var(--success); font-size: 0.8rem; }
.tag-warn { color: #f59e0b; font-size: 0.8rem; }
@media (max-width: 900px) { .admin-grid { grid-template-columns: 1fr; } }

/* FOMO popup — gắn vào body qua JS để fixed không bị .main transform chặn */
.fomo-popup {
    position: fixed;
    left: 1.25rem;
    bottom: 1.25rem;
    z-index: 9600;
    max-width: min(320px, calc(100vw - 2rem));
    pointer-events: none;
    isolation: isolate;
}
.fomo-popup[hidden] { display: none !important; }
.fomo-popup-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.14);
    background: var(--bg-elevated);
}
.fomo-popup-avatar {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: #fff;
    background: linear-gradient(135deg, var(--violet), #4a2d8f);
    flex-shrink: 0;
}
.fomo-popup-body { min-width: 0; }
.fomo-popup-text {
    margin: 0;
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--text);
}
.fomo-popup-time {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.72rem;
    color: var(--text-muted);
}
.fomo-popup-check {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: rgba(52, 211, 153, 0.15);
    color: var(--success);
    font-size: 0.7rem;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}
.fomo-popup.is-showing .fomo-popup-card {
    animation: fomoPopIn 0.45s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.fomo-popup.is-hiding .fomo-popup-card {
    animation: fomoPopOut 0.38s ease forwards;
}
@keyframes fomoPopIn {
    from { opacity: 0; transform: translateY(12px) scale(0.92); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fomoPopOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(8px) scale(0.95); }
}
@media (max-width: 600px) {
    .fomo-popup { left: 0.75rem; bottom: 0.75rem; max-width: calc(100vw - 1.5rem); }
}

.practice-section-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem; margin-bottom: 0.5rem; }
.practice-section-head h2 { margin: 0; }
.exam-mix-hint { font-size: 0.85rem; margin: 0 0 1rem; }
.exam-mix-btn { white-space: nowrap; }
.aptis-tab-mix { display: block; font-size: 0.65rem; opacity: 0.75; font-weight: 500; }
.aptis-part-tab.aptis-mix-again { flex: 0 0 auto; max-width: 6rem; font-size: 0.75rem; background: rgba(74, 45, 143, 0.08); }

/* Notifications */
.notif-bell-wrap { position: relative; }
.notif-bell-btn { background: none; border: none; color: inherit; cursor: pointer; padding: 0.35rem; position: relative; }
.notif-badge { position: absolute; top: 0; right: 0; background: var(--error); color: #fff; font-size: 0.65rem; min-width: 1rem; height: 1rem; border-radius: 99px; display: flex; align-items: center; justify-content: center; }
.notif-dropdown { position: absolute; right: 0; top: 100%; margin-top: 0.5rem; width: 280px; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-lg); z-index: 100; }
.notif-dropdown-head { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); }
.notif-read-all { background: none; border: none; color: var(--cyan); font-size: 0.8rem; cursor: pointer; }
.notif-list { list-style: none; margin: 0; padding: 0; max-height: 320px; overflow: auto; }
.notif-item { display: flex; gap: 0.5rem; padding: 0.65rem 1rem; text-decoration: none; color: inherit; font-size: 0.85rem; }
.notif-item:hover { background: rgba(255,255,255,0.04); }
.notif-item small { display: block; color: var(--text-muted); margin-top: 0.15rem; }
.notif-empty { padding: 1rem; color: var(--text-muted); font-size: 0.85rem; }

/* Exam matrix */
.matrix-grid { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.matrix-cell { width: 3rem; height: 3rem; border-radius: 8px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-decoration: none; font-size: 0.7rem; border: 1px solid var(--border); transition: transform 0.15s; }
.matrix-cell:hover { transform: translateY(-2px); }
.matrix-num { font-weight: 700; }
.matrix-pct { opacity: 0.85; font-size: 0.65rem; }
.matrix-empty { background: var(--bg); color: var(--text-muted); }
.matrix-pass { background: rgba(52, 211, 153, 0.15); border-color: rgba(52, 211, 153, 0.35); }
.matrix-mid { background: rgba(245, 158, 11, 0.12); border-color: rgba(245, 158, 11, 0.3); }
.matrix-low { background: rgba(248, 113, 113, 0.1); border-color: rgba(248, 113, 113, 0.25); }
.matrix-progress { background: rgba(56, 189, 248, 0.12); border-color: rgba(56, 189, 248, 0.3); }
.matrix-legend { display: inline-block; width: 0.75rem; height: 0.75rem; border-radius: 3px; margin: 0 0.25rem 0 0.75rem; vertical-align: middle; }

/* Challenge bar */
.challenge-bar { height: 6px; background: var(--border); border-radius: 99px; overflow: hidden; }
.challenge-bar-fill { height: 100%; background: linear-gradient(90deg, var(--cyan), var(--purple)); border-radius: 99px; }

/* Exam receipt & autopsy (review) */
.exam-receipt-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.exam-receipt-band { font-size: 2rem; font-weight: 800; padding: 0.25rem 0.75rem; border-radius: 10px; background: rgba(74, 45, 143, 0.15); }
.exam-receipt-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; margin-top: 1rem; }
.autopsy-bars { display: flex; flex-direction: column; gap: 0.35rem; }
.autopsy-row { display: grid; grid-template-columns: 2.5rem 1fr 2.5rem; align-items: center; gap: 0.5rem; font-size: 0.8rem; }
.autopsy-bar-wrap { height: 8px; background: var(--border); border-radius: 99px; overflow: hidden; }
.autopsy-bar { height: 100%; background: var(--purple); border-radius: 99px; }

/* Weak spots analytics */
.weak-spots-bars { display: flex; flex-direction: column; gap: 0.35rem; }
.weak-spot-row { display: grid; grid-template-columns: 5.5rem 1fr 3.5rem; align-items: center; gap: 0.5rem; font-size: 0.85rem; }
.weak-spot-bar-wrap { height: 8px; background: var(--border); border-radius: 99px; overflow: hidden; }
.weak-spot-bar.weak { height: 100%; background: linear-gradient(90deg, #e74c3c, #f39c12); border-radius: 99px; min-width: 2px; }
.weak-spot-pct { font-size: 0.75rem; color: var(--text-muted); text-align: right; }

/* Exam code card actions */
.exam-code-card.is-unlocked { display: flex; flex-direction: column; gap: 0.5rem; text-decoration: none; color: inherit; padding: 1rem; }
.exam-mixed-card .exam-mixed-hint { margin: 0; font-size: 0.8rem; line-height: 1.45; }
.exam-mixed-card .exam-code-badge { color: var(--violet); }
.exam-code-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: auto; }

/* BC simulation certificate */
.certificate-page { max-width: 720px; margin: 0 auto; }
.certificate-card { padding: 2rem; text-align: center; }
.certificate-head h1 { margin: 0.5rem 0; font-size: 1.75rem; }
.certificate-brand { display: flex; justify-content: center; margin-bottom: 0.75rem; }
.certificate-brand-logo { height: 48px; }
.certificate-eyebrow { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--purple); }
.certificate-sub { font-size: 0.8rem; color: var(--text-muted); }
.certificate-name { font-size: 1.5rem; font-weight: 800; margin: 1.5rem 0 0.25rem; }
.certificate-scores { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem; margin-top: 1.5rem; align-items: center; }
.certificate-score-main { padding: 1rem 1.5rem; border-radius: 12px; background: rgba(74, 45, 143, 0.1); }
.cert-band { display: block; font-size: 2.5rem; font-weight: 800; }
.certificate-score-detail { text-align: left; font-size: 0.9rem; }
.certificate-score-detail div { margin-bottom: 0.35rem; }
.certificate-score-detail span { display: block; font-size: 0.75rem; color: var(--text-muted); }
.certificate-foot { margin-top: 2rem; font-size: 0.75rem; color: var(--text-muted); }
@media print {
    .no-print, .navbar, .site-footer, .page-header { display: none !important; }
    .certificate-card { box-shadow: none !important; border: 1px solid #ccc; }
}

/* Gamification */
.gamification-strip {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    gap: 1rem;
    align-items: center;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}
.gamification-level-ring {
    width: 52px; height: 52px; border-radius: 50%;
    background: conic-gradient(var(--cyan) calc(var(--xp-progress) * 1%), rgba(255,255,255,0.08) 0);
    display: grid; place-items: center;
}
.gamification-level-num { font-size: 0.72rem; font-weight: 800; background: var(--bg-elevated); width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; }
.gamification-xp-bar { height: 6px; background: var(--border); border-radius: 99px; overflow: hidden; margin: 0.35rem 0; }
.gamification-xp-fill { height: 100%; background: linear-gradient(90deg, var(--purple), var(--cyan)); border-radius: 99px; }
.gamification-streak { text-align: center; padding: 0.35rem 0.75rem; border-radius: 10px; background: rgba(251, 146, 60, 0.12); }
.gamification-streak-num { font-size: 1.35rem; font-weight: 800; display: block; line-height: 1; }
.gamification-xp-hint { font-size: 0.78rem; color: var(--muted); }
.gamification-goal { text-align: right; }

.package-insurance-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.55rem;
    border-radius: 99px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: #6ee7b7;
    background: rgba(52, 211, 153, 0.12);
    border: 1px solid rgba(52, 211, 153, 0.28);
    margin-left: 0.35rem;
    vertical-align: middle;
}
.package-pick-title-row,
.pricing-top h3 { display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem; }
.payment-summary-card .package-insurance-badge { margin: 0.35rem 0 0.75rem; }
.aptis-result-xp { color: var(--cyan); font-weight: 700; font-size: 0.95rem; }

/* Onboarding wizard */
.onboarding-wizard-page { max-width: 640px; margin: 0 auto; }
.onboarding-wizard { padding: 2rem; }
.onboarding-wizard-progress { display: flex; gap: 0.5rem; justify-content: center; margin-bottom: 1.5rem; }
.onboarding-wizard-dot { width: 10px; height: 10px; border-radius: 99px; background: var(--border); }
.onboarding-wizard-dot.is-active { background: var(--cyan); width: 28px; }
.onboarding-slide h2 { margin: 0 0 0.5rem; }
.onboarding-band-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: 0.65rem; margin: 1.25rem 0; }
.onboarding-choice-card { display: flex; flex-direction: column; align-items: center; padding: 1rem 0.5rem; border: 2px solid var(--border); border-radius: 12px; cursor: pointer; transition: border-color 0.2s; }
.onboarding-choice-card:has(input:checked) { border-color: var(--cyan); background: rgba(0, 194, 203, 0.08); }
.onboarding-choice-card input { position: absolute; opacity: 0; }
.onboarding-choice-band { font-size: 1.35rem; font-weight: 800; font-family: var(--display); }
.onboarding-skill-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
.onboarding-skill-chip input { display: none; }
.onboarding-skill-chip span { display: block; padding: 0.5rem 0.85rem; border-radius: 99px; border: 1px solid var(--border); font-size: 0.85rem; cursor: pointer; }
.onboarding-skill-chip:has(input:checked) span { background: var(--primary); color: #fff; border-color: var(--primary); }
.onboarding-slide-actions { display: flex; gap: 0.75rem; margin-top: 1rem; }
.onboarding-date-field input { width: 100%; margin-top: 0.35rem; padding: 0.65rem; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); }

/* Live presence on exam cards */
.exam-code-card.is-unlocked,
.exam-code-card.is-locked { position: relative; }
.exam-live-presence {
    position: absolute;
    top: 0.65rem;
    right: 0.65rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.55rem;
    border-radius: 99px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.2);
    font-size: 0.72rem;
    font-weight: 600;
    z-index: 2;
}
.exam-live-presence-pulse {
    width: 7px; height: 7px; border-radius: 50%; background: #22c55e;
    animation: livePulse 1.8s ease infinite;
    flex-shrink: 0;
}
.exam-live-presence-count { white-space: nowrap; }
.exam-live-num { font-variant-numeric: tabular-nums; }
@keyframes livePulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.45; transform: scale(1.35); } }

/* Empty state */
.empty-state { padding: 2.5rem 2rem; text-align: center; max-width: 420px; margin: 0 auto; }
.empty-state-svg { width: 120px; height: 100px; margin: 0 auto 1rem; color: var(--muted); }
.empty-state-title { margin: 0 0 0.5rem; font-size: 1.15rem; }
.empty-state-message { color: var(--muted); margin: 0 0 1.25rem; font-size: 0.92rem; line-height: 1.5; }
.empty-state-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; justify-content: center; }

/* Payment countdown */
.payment-order-countdown {
    display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap;
    padding: 0.75rem 1rem; margin-bottom: 1rem; border-radius: 10px;
    background: rgba(245, 158, 11, 0.1); border: 1px solid rgba(245, 158, 11, 0.25);
}
.payment-countdown-label { font-size: 0.88rem; color: var(--muted); }
.payment-order-countdown small { width: 100%; font-size: 0.78rem; color: var(--muted); margin-top: -0.25rem; }
.payment-order-countdown.is-expired { background: rgba(248, 113, 113, 0.1); border-color: rgba(248, 113, 113, 0.25); }
#payment-countdown-time { font-family: var(--display); font-size: 1.25rem; color: #f59e0b; }

/* Simulation room */
.simulation-room-card { max-width: 520px; text-align: center; }
.simulation-room-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.35rem 0.85rem; border-radius: 99px;
    background: rgba(220, 38, 38, 0.12); color: #f87171; font-size: 0.78rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.75rem;
}
.simulation-room-pulse { width: 8px; height: 8px; border-radius: 50%; background: #ef4444; animation: livePulse 1.2s infinite; }
.simulation-room-rules { text-align: left; margin: 1.25rem 0; padding: 0; list-style: none; }
.simulation-room-rules li { padding: 0.4rem 0; font-size: 0.88rem; border-bottom: 1px solid var(--border); }
.simulation-room-countdown { margin: 1.5rem 0; }
.simulation-room-count-num { display: block; font-size: 3rem; font-weight: 800; font-family: var(--display); color: var(--cyan); }
.aptis-simulation-strict .aptis-nav-item.sim-locked { opacity: 0.35; pointer-events: none; }
.aptis-simulation-strict #btn-prev.sim-hidden { display: none !important; }

/* Admin sparkline */
.admin-revenue-sparkline { margin-bottom: 1.25rem; }
.admin-sparkline-wrap { padding: 0.5rem 0; }
.admin-sparkline { width: 100%; max-width: 360px; height: auto; }
.admin-sparkline-labels { display: flex; justify-content: space-between; font-size: 0.72rem; color: var(--muted); max-width: 360px; margin-top: 0.35rem; }

@media (max-width: 900px) {
    .gamification-strip { grid-template-columns: auto 1fr; }
    .gamification-goal { display: none; }
}

/* Study plan countdown */
.study-plan-card { padding: 1.25rem 1.5rem; margin-bottom: 1.5rem; }
.study-plan-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.study-plan-headline { margin: 0.35rem 0; font-size: 1.05rem; }
.study-plan-meta { margin: 0; font-size: 0.88rem; }
.study-plan-countdown { text-align: center; min-width: 72px; padding: 0.5rem 0.75rem; border-radius: 12px; background: rgba(99, 102, 241, 0.12); border: 1px solid rgba(99, 102, 241, 0.2); }
.study-plan-days { display: block; font-size: 2rem; font-weight: 800; line-height: 1; font-family: var(--display); color: var(--cyan); }
.study-plan-critical .study-plan-countdown { background: rgba(239, 68, 68, 0.12); border-color: rgba(239, 68, 68, 0.25); }
.study-plan-critical .study-plan-days { color: #f87171; }
.study-plan-express-callout { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; margin: 1rem 0; padding: 0.75rem 1rem; border-radius: 10px; background: rgba(251, 146, 60, 0.1); border: 1px solid rgba(251, 146, 60, 0.25); }
.study-plan-tasks-title { margin: 1rem 0 0.5rem; font-size: 0.88rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.study-plan-tasks { list-style: none; margin: 0; padding: 0; }
.study-plan-task-link { display: flex; align-items: flex-start; gap: 0.5rem; padding: 0.45rem 0; text-decoration: none; color: inherit; font-size: 0.92rem; }
.study-plan-task-link:hover { color: var(--cyan); }
.study-plan-task-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); margin-top: 0.45rem; flex-shrink: 0; }

/* Band predictor */
.dashboard-insights-grid {
    margin-bottom: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    align-items: start;
}

/* Resume draft banner */
.resume-draft-banner { margin-bottom: 1.25rem; }
.resume-draft-banner-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1rem 1.25rem;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border: 1px solid rgba(56, 189, 248, 0.35);
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.08), rgba(74, 45, 143, 0.06));
}
.resume-draft-banner-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(56, 189, 248, 0.15);
    color: var(--cyan);
}
.resume-draft-banner-label {
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--cyan);
    font-weight: 700;
    margin-bottom: 0.2rem;
}
.resume-draft-banner-title { margin: 0; font-size: 1.15rem; font-family: var(--display); }
.resume-draft-banner-meta { margin: 0.35rem 0 0; font-size: 0.88rem; color: var(--muted); }
.resume-draft-banner-actions { display: flex; flex-direction: column; gap: 0.5rem; align-items: flex-end; }
.resume-draft-more summary { cursor: pointer; font-size: 0.82rem; color: var(--muted); }
.resume-draft-more ul { list-style: none; margin: 0.5rem 0 0; padding: 0; font-size: 0.85rem; }
.resume-draft-more li { display: flex; justify-content: space-between; gap: 0.5rem; padding: 0.35rem 0; border-top: 1px solid var(--border); }

/* Exam matrix visual */
.exam-matrix-visual { padding: 1.25rem 1.5rem; }
.exam-matrix-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.exam-matrix-head h3 { margin: 0.25rem 0 0; font-size: 1.05rem; }
.exam-matrix-skill-block { margin-bottom: 1rem; }
.exam-matrix-skill-label { font-size: 0.82rem; font-weight: 700; margin: 0 0 0.5rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.matrix-grid-visual { display: grid; grid-template-columns: repeat(auto-fill, minmax(3.25rem, 1fr)); gap: 0.4rem; }
.matrix-cell-lg { width: 100%; min-height: 3.25rem; aspect-ratio: 1; border-radius: 10px; }
.matrix-pct-empty { opacity: 0.45; }
.matrix-pct-draft { color: var(--cyan); font-weight: 700; }
.matrix-legend-row { display: flex; flex-wrap: wrap; gap: 0.65rem 1rem; font-size: 0.75rem; color: var(--muted); margin-top: 0.5rem; }
.matrix-legend-row span { display: inline-flex; align-items: center; gap: 0.35rem; }

/* Band goal form */
.band-goal-form { margin: 0.75rem 0 1rem; padding: 0.85rem 1rem; border-radius: 10px; background: rgba(74, 45, 143, 0.06); border: 1px solid var(--border); }
.band-goal-label { display: block; font-size: 0.78rem; color: var(--muted); margin-bottom: 0.35rem; }
.band-goal-row { display: flex; gap: 0.5rem; align-items: center; }
.band-goal-select { flex: 1; padding: 0.45rem 0.65rem; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: inherit; font: inherit; }

@media (max-width: 768px) {
    .resume-draft-banner-inner { grid-template-columns: 1fr; }
    .resume-draft-banner-actions { align-items: stretch; }
}
.band-predictor-card { padding: 1.25rem 1.5rem; }
.band-predictor-header { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; margin-bottom: 0.75rem; }
.band-predictor-header h3 { margin: 0.25rem 0 0; font-size: 1.05rem; }
.band-predictor-overall { text-align: center; }
.band-predictor-band { display: block; font-size: 1.75rem; font-weight: 800; font-family: var(--display); color: var(--cyan); }
.band-predictor-skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.75rem; margin-top: 0.75rem; }
.band-predictor-skill { padding: 0.75rem; border-radius: 10px; background: rgba(0,0,0,0.15); border: 1px solid var(--border); }
.band-predictor-skill-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.35rem; }
.band-pill { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 6px; font-size: 0.75rem; font-weight: 700; background: rgba(0, 194, 203, 0.15); color: var(--cyan); }
.band-pill-muted { background: var(--border); color: var(--muted); }
.band-predictor-gap { margin: 0.5rem 0; font-size: 0.88rem; color: #fbbf24; }
.band-trend { font-size: 0.75rem; font-weight: 600; }
.band-trend-up { color: var(--success); }
.band-trend-down { color: #f87171; }

/* Express package */
.express-package-banner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.25rem 1.5rem; margin-top: 1rem; border: 1px solid rgba(251, 146, 60, 0.35); background: linear-gradient(135deg, rgba(251, 146, 60, 0.08), rgba(239, 68, 68, 0.06)); }
.package-pick-card.is-express { border-color: rgba(251, 146, 60, 0.45); }
.package-pick-tag-express { background: rgba(251, 146, 60, 0.2); color: #fb923c; }

/* Writing AI */
.writing-ai-page { max-width: 720px; }
.writing-ai-quota { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem; padding: 0.75rem 1rem; margin-bottom: 1rem; font-size: 0.88rem; }
.writing-ai-form { padding: 1.25rem; margin-bottom: 1rem; }
.writing-prompt-box { padding: 1rem; margin: 1rem 0; background: rgba(0,0,0,0.12); }
.writing-prompt-box p { margin: 0.5rem 0 0; font-size: 0.92rem; line-height: 1.5; }
.writing-ai-form textarea { width: 100%; min-height: 180px; padding: 0.75rem; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font-family: inherit; }
.writing-ai-result-inline { padding: 1.25rem; margin-bottom: 1rem; }
.writing-result-card { padding: 1.5rem; }
.writing-result-top { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.writing-criteria-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; margin: 1rem 0; }
.writing-criterion { text-align: center; padding: 0.5rem; border-radius: 8px; background: rgba(0,0,0,0.12); font-size: 0.78rem; }
.writing-criterion strong { display: block; font-size: 1rem; margin-top: 0.2rem; }
.writing-feedback-list { margin: 0.5rem 0 1rem; padding-left: 1.25rem; }
.writing-coaching-block { margin: 1rem 0; padding: 0.85rem 1rem; border-radius: 12px; }
.writing-coaching-block h4 { margin: 0 0 0.5rem; font-size: 0.95rem; display: flex; align-items: center; gap: 0.4rem; }
.writing-coaching-icon { display: inline-grid; place-items: center; width: 1.25rem; height: 1.25rem; border-radius: 50%; font-size: 0.75rem; font-weight: 700; }
.writing-coaching-strengths { background: rgba(16, 185, 129, 0.08); border: 1px solid rgba(16, 185, 129, 0.2); }
.writing-coaching-strengths .writing-coaching-icon { background: #10b981; color: #fff; }
.writing-coaching-weaknesses { background: rgba(239, 68, 68, 0.06); border: 1px solid rgba(239, 68, 68, 0.18); }
.writing-coaching-weaknesses .writing-coaching-icon { background: #ef4444; color: #fff; }
.writing-coaching-fixes { background: rgba(245, 158, 11, 0.08); border: 1px solid rgba(245, 158, 11, 0.2); }
.writing-coaching-fixes .writing-coaching-icon { background: #f59e0b; color: #fff; }
.writing-coaching-growth { background: rgba(74, 45, 143, 0.07); border: 1px solid rgba(74, 45, 143, 0.18); }
.writing-coaching-growth .writing-coaching-icon { background: #4a2d8f; color: #fff; }
.writing-feedback-list-growth li { font-weight: 500; }
.writing-full-part-scores { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.75rem 0 1rem; }
.writing-part-score-pill { padding: 0.35rem 0.65rem; border-radius: 999px; background: rgba(35, 8, 90, 0.08); font-size: 0.85rem; font-weight: 600; }
.writing-full-part-detail { margin-bottom: 0.5rem; border: 1px solid rgba(0,0,0,0.08); border-radius: 10px; padding: 0.5rem 0.75rem; }
.writing-full-part-detail summary { cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; }
.writing-full-part-body { margin-top: 0.75rem; padding-top: 0.5rem; border-top: 1px solid rgba(0,0,0,0.06); }
.writing-original pre { white-space: pre-wrap; font-size: 0.88rem; background: rgba(0,0,0,0.15); padding: 0.75rem; border-radius: 8px; }
.aptis-band-scale-ref { margin-top: 1.25rem; border: 1px solid rgba(74, 45, 143, 0.15); border-radius: 12px; padding: 0.75rem 1rem; background: rgba(74, 45, 143, 0.04); }
.aptis-band-scale-ref summary { cursor: pointer; font-weight: 600; font-size: 0.9rem; }
.aptis-band-scale-body { margin-top: 0.75rem; overflow-x: auto; }
.aptis-band-scale-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.aptis-band-scale-table th,
.aptis-band-scale-table td { padding: 0.45rem 0.6rem; text-align: center; border: 1px solid rgba(0,0,0,0.08); }
.aptis-band-scale-table th[scope="row"] { text-align: left; font-weight: 600; white-space: nowrap; }
.aptis-band-scale-table thead th { background: rgba(74, 45, 143, 0.12); font-weight: 700; }
.aptis-band-scale-current { margin: 0.75rem 0 0.35rem; font-size: 0.9rem; }
.aptis-band-scale-note { margin: 0.35rem 0 0; font-size: 0.78rem; }
.writing-history-page .page-header { margin-bottom: 1.25rem; }
.writing-history-list { display: flex; flex-direction: column; gap: 0.85rem; }
.writing-history-item { padding: 1rem 1.15rem; }
.writing-history-item-head { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.writing-history-status { font-size: 0.85rem; font-weight: 700; padding: 0.3rem 0.65rem; border-radius: 999px; background: rgba(74, 45, 143, 0.1); white-space: nowrap; }
.writing-history-status-pending_grade { background: rgba(245, 158, 11, 0.15); color: #b45309; }
.writing-history-status-graded { background: rgba(16, 185, 129, 0.12); color: #047857; }
.writing-history-progress { margin-top: 0.85rem; }
.writing-history-progress-meta { display: flex; justify-content: space-between; gap: 0.75rem; font-size: 0.88rem; margin-bottom: 0.35rem; }
.writing-history-progress-track { height: 8px; border-radius: 999px; background: rgba(0,0,0,0.08); overflow: hidden; }
.writing-history-progress-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, #4a2d8f, #7c3aed); transition: width 0.4s ease; }
.writing-history-hint { margin: 0.5rem 0 0; font-size: 0.8rem; }
.writing-history-done-msg { margin: 0.5rem 0 0.75rem; font-size: 0.88rem; }
.writing-history-empty { padding: 1.5rem; text-align: center; }
.writing-grading-history--embedded { margin-top: 1.25rem; }
.writing-grading-history-head { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; }
.writing-grading-history-head .pool-stats-title { margin: 0; }
.writing-history-empty--embedded { padding: 1rem 1.15rem; margin-top: 0; }
@media (max-width: 600px) {
    .writing-criteria-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Admin security */
.admin-security-score { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.admin-security-score-ring {
    width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center;
    background: conic-gradient(var(--success) calc(var(--score) * 1%), var(--border) 0);
}
.admin-security-score-ring strong { background: var(--bg-elevated); width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; font-size: 0.95rem; }
.admin-security-checks { list-style: none; margin: 0; padding: 0; }
.admin-security-check { display: flex; gap: 0.75rem; padding: 0.65rem 0; border-top: 1px solid var(--border); }
.admin-security-check-icon { width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; font-size: 0.75rem; font-weight: 700; flex-shrink: 0; }
.admin-security-check.is-ok .admin-security-check-icon { background: rgba(52, 211, 153, 0.15); color: var(--success); }
.admin-security-check.is-fail .admin-security-check-icon { background: rgba(248, 113, 113, 0.15); color: #f87171; }
.admin-security-check small { display: block; color: var(--muted); margin-top: 0.15rem; }
.admin-feature-roadmap { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; }
.admin-feature-roadmap h3 { margin: 0 0 0.5rem; font-size: 0.95rem; }
.admin-feature-roadmap ul { margin: 0; padding-left: 1.1rem; font-size: 0.88rem; line-height: 1.55; color: var(--muted); }
.admin-security-log { max-height: 240px; overflow: auto; font-size: 0.72rem; background: rgba(0,0,0,0.2); padding: 0.75rem; border-radius: 8px; }
.nav-logout-form { display: inline; margin: 0; }

/* Retention: reminders, share */
.dashboard-retention-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.exam-reminder-prefs { padding: 1.25rem 1.5rem; }
.exam-reminder-prefs-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.exam-reminder-prefs-head h3 { margin: 0.25rem 0 0; font-size: 1.05rem; }
.exam-reminder-desc { margin: 0.35rem 0 0.75rem; font-size: 0.85rem; }
.exam-reminder-toggles { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; }
.onboarding-reminder-toggles { margin-top: 1rem; }

.page-header-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }

/* Writing BC criteria */
.writing-bc-block { margin: 1.25rem 0; }
.writing-bc-head h4 { margin: 0.25rem 0 0; font-size: 1rem; }
.writing-bc-layout { display: grid; grid-template-columns: 220px 1fr; gap: 1.25rem; align-items: start; margin-top: 0.75rem; }
.writing-bc-radar { width: 100%; max-width: 220px; }
.writing-bc-grid { stroke: rgba(148, 163, 184, 0.25); stroke-width: 1; }
.writing-bc-axis { stroke: rgba(148, 163, 184, 0.2); stroke-width: 1; }
.writing-bc-fill { fill: rgba(56, 189, 248, 0.35); stroke: #38bdf8; stroke-width: 2; }
.writing-bc-label { fill: var(--muted); font-size: 10px; font-family: system-ui, sans-serif; }
.writing-bc-bar-row { margin-bottom: 0.75rem; }
.writing-bc-bar-top { display: flex; justify-content: space-between; gap: 0.5rem; font-size: 0.85rem; margin-bottom: 0.25rem; }
.writing-bc-bar-track { height: 6px; border-radius: 99px; background: rgba(148, 163, 184, 0.15); overflow: hidden; }
.writing-bc-bar-fill { height: 100%; border-radius: 99px; background: linear-gradient(90deg, #38bdf8, #6366f1); }
.writing-bc-comment { margin: 0.25rem 0 0; font-size: 0.78rem; color: var(--muted); }
.writing-bc-bars-inline { margin: 1rem 0; }
.writing-inline-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }

/* Share card */
.share-body { background: var(--bg); min-height: 100vh; }
.share-page { max-width: 480px; margin: 0 auto; padding: 2rem 1rem; }
.share-card-preview { padding: 2rem 1.5rem; text-align: center; background: linear-gradient(145deg, rgba(15,23,42,0.95), rgba(12,74,110,0.35)); }
.share-card-brand { margin-bottom: 1rem; text-align: center; }
.share-card-brand-logo { margin: 0 auto; }
.share-card-brand em { color: var(--cyan); font-style: normal; }
.share-card-tag { display: inline-block; padding: 0.2rem 0.65rem; border-radius: 99px; font-size: 0.72rem; background: rgba(56,189,248,0.15); color: #7dd3fc; margin-bottom: 0.75rem; }
.share-card-preview h1 { margin: 0; font-size: 2.5rem; font-family: var(--display); }
.share-card-score { font-size: 1.1rem; color: var(--muted); margin: 0.35rem 0; }
.share-card-title { font-weight: 600; margin: 1rem 0 0.25rem; }
.share-card-meta, .share-card-date { font-size: 0.85rem; color: var(--muted); margin: 0.25rem 0; }
.share-card-user { margin-top: 1.25rem; font-weight: 700; }
.share-card-cta { margin-top: 0.75rem; font-size: 0.88rem; color: var(--cyan); font-weight: 600; }
.share-actions { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 1.25rem; }

.exam-offline-banner {
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 0.65rem 1rem;
    background: rgba(192, 57, 43, 0.92);
    color: #fff;
    text-align: center;
    font-size: 0.88rem;
}
.exam-offline-banner strong { font-weight: 700; }

.admin-funnel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}
.admin-funnel-card { padding: 1.25rem 1.5rem; }
.admin-funnel-card h2 { margin: 0 0 1rem; font-size: 1.05rem; }
.admin-funnel-steps {
    list-style: none;
    margin: 0;
    padding: 0;
}
.admin-funnel-steps li {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 0.5rem;
    align-items: center;
    padding: 0.45rem 0;
    border-top: 1px solid var(--border);
    font-size: 0.9rem;
}
.admin-funnel-steps li em {
    font-style: normal;
    font-size: 0.78rem;
    color: var(--cyan);
}
.admin-funnel-revenue { margin: 1rem 0 0; font-size: 0.9rem; }
.admin-funnel-note { margin-top: 1rem; font-size: 0.82rem; }
.admin-funnel-filter { margin-bottom: 0.5rem; }

@media (max-width: 640px) {
    .writing-bc-layout { grid-template-columns: 1fr; }
    .writing-bc-radar { max-width: 100%; margin: 0 auto; display: block; }
}

/* SEO landing & FAQ */
.seo-faq-grid { display: grid; gap: 0.75rem; }
.seo-faq-item { padding: 1rem 1.25rem; }
.seo-faq-item summary { cursor: pointer; font-weight: 600; list-style: none; }
.seo-faq-item summary::-webkit-details-marker { display: none; }
.seo-faq-item p { margin: 0.75rem 0 0; color: var(--muted); font-size: 0.92rem; line-height: 1.55; }
.seo-landing-more { text-align: center; margin-top: 1.25rem; }

.seo-guide-page .seo-guide-hero { padding: 3rem 0 2rem; }
.seo-guide-page h1 { font-family: var(--display); font-size: clamp(1.75rem, 4vw, 2.5rem); max-width: 820px; line-height: 1.15; }
.seo-guide-lead { max-width: 680px; font-size: 1.05rem; color: var(--muted); line-height: 1.6; margin: 1rem 0 1.5rem; }
.seo-guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }
.seo-guide-block { padding: 1.5rem; }
.seo-guide-list { margin: 0; padding-left: 1.1rem; line-height: 1.65; }
.seo-guide-list li { margin-bottom: 0.5rem; }
.seo-skill-cards { display: grid; gap: 0.75rem; }
.seo-skill-card { padding: 0.75rem; border-radius: 10px; background: rgba(0,0,0,0.12); border: 1px solid var(--border); }
.seo-skill-card h3 { margin: 0 0 0.35rem; font-size: 0.95rem; }
.seo-skill-card p { margin: 0; font-size: 0.85rem; color: var(--muted); }
.seo-steps-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; counter-reset: seo-step; }
.seo-steps-list li { padding: 1rem 1.25rem; counter-increment: seo-step; }
.seo-steps-list li::before { content: counter(seo-step); display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: rgba(56,189,248,0.15); color: var(--cyan); font-weight: 700; margin-right: 0.5rem; font-size: 0.85rem; }
.seo-guide-cta { padding-bottom: 3rem; }

.footer-seo-links { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin: 0.75rem 0; font-size: 0.88rem; }
.footer-seo-links a { color: var(--muted); text-decoration: none; }
.footer-seo-links a:hover { color: var(--cyan); }