:root {
    --primary: #1e3a5f;
    --primary-light: #2d5a8e;
    --primary-dark: #0f2440;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --bg: #f8fafc;
    --bg-white: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 40px -5px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
    --listening: #3b82f6;
    --reading: #10b981;
    --writing: #8b5cf6;
    --speaking: #f59e0b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

table {
    max-width: 100%;
}

html {
    scroll-behavior: smooth;
    overflow-x: clip;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 800;
}

.logo-img {
    height: 42px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

/* Hero */
.hero {
    position: relative;
    padding: 80px 0 40px;
    overflow: hidden;
    min-height: auto;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0f2440 0%, #1e3a5f 40%, #2d5a8e 100%);
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(245,158,11,0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-text {
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    background: rgba(245,158,11,0.2);
    color: var(--accent-light);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(245,158,11,0.3);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    max-width: 600px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--accent);
    color: var(--primary-dark);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245,158,11,0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: rgba(255,255,255,0.3);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
}

.btn-white {
    background: white;
    color: var(--primary);
    border-color: white;
}

.btn-white:hover {
    background: var(--bg);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

/* Trust Banner */
.trust-banner {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.8);
    padding: 16px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Test Cards */
.tests-section {
    padding: 100px 0;
}

.test-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.test-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.test-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.test-card-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.test-card-icon svg {
    width: 32px;
    height: 32px;
}

.listening-icon {
    background: rgba(59,130,246,0.1);
    color: var(--listening);
}

.reading-icon {
    background: rgba(16,185,129,0.1);
    color: var(--reading);
}

.writing-icon {
    background: rgba(139,92,246,0.1);
    color: var(--writing);
}

.speaking-icon {
    background: rgba(245,158,11,0.1);
    color: var(--speaking);
}

.test-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.test-meta {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.test-details {
    list-style: none;
    margin-bottom: 24px;
    flex: 1;
}

.test-details li {
    padding: 6px 0;
    color: var(--text-light);
    font-size: 0.9rem;
    position: relative;
    padding-left: 20px;
}

.test-details li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
}

.test-card .btn {
    width: 100%;
}

/* Steps */
.how-section {
    padding: 100px 0;
    background: white;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.step {
    text-align: center;
    padding: 32px;
}

.step-num {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.step p {
    color: var(--text-light);
}

/* Australia Section */
.australia-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #0f2440 0%, #1e3a5f 100%);
    color: white;
}

.australia-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    align-items: start;
}

.australia-content h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.australia-subtitle {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
}

.visa-table {
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.1);
}

.visa-table h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--accent);
}

.visa-table table {
    width: 100%;
    border-collapse: collapse;
}

.visa-table th,
.visa-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

.visa-table th {
    color: rgba(255,255,255,0.6);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.level-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.level-badge.functional { background: rgba(59,130,246,0.2); color: #93c5fd; }
.level-badge.vocational { background: rgba(16,185,129,0.2); color: #6ee7b7; }
.level-badge.competent { background: rgba(245,158,11,0.2); color: #fcd34d; }
.level-badge.proficient { background: rgba(139,92,246,0.2); color: #c4b5fd; }

.australia-note {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

.sidebar-card {
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}

.sidebar-card:hover {
    background: rgba(255,255,255,0.1);
}

.sidebar-card h4 {
    color: var(--accent);
    margin-bottom: 8px;
    font-size: 1rem;
}

.sidebar-card p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

/* About */
.about-section {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.about-card {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.about-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.about-card h3 {
    color: var(--primary);
    margin-bottom: 12px;
    font-size: 1.15rem;
}

.about-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* FAQ */
.faq-section {
    padding: 100px 0;
    background: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    font-family: inherit;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: var(--text-light);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: 20px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.7;
}

/* CTA */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    text-align: center;
    color: white;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.cta-section p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.8);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: white;
    margin-bottom: 16px;
    font-size: 1rem;
}

.footer-col p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-col ul a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

/* Responsive */
@media (max-width: 968px) {
    .hero h1 { font-size: 2.5rem; }
    .australia-grid { grid-template-columns: minmax(0, 1fr); }
    .australia-grid > * { min-width: 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .test-layout { grid-template-columns: 1fr; }
    .test-sidebar { position: static; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
    .question-nav { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
    body { overflow-x: clip; }
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        width: 100%;
        max-width: 100%;
        background: white;
        flex-direction: column;
        padding: 16px 20px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
        overflow-x: hidden;
    }
    .nav-links li { width: 100%; }
    .nav-links a {
        display: block;
        padding: 12px 8px;
        font-size: 0.95rem;
        white-space: normal;
        word-break: break-word;
    }
    .nav-links.active { display: flex; }
    .nav-toggle { display: flex; z-index: 1001; margin-right: 10px; }
    .nav-toggle span { display: block; }
    .hero { padding: 100px 0 40px; min-height: auto; }
    .hero h1 { font-size: 1.75rem; word-wrap: break-word; }
    .hero-subtitle { font-size: 0.95rem; max-width: 100%; word-wrap: break-word; }
    .hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .stat-num { font-size: 1.25rem; }
    .hero-cta { gap: 12px; flex-direction: column; }
    .btn-lg { width: 100%; padding: 12px 24px; font-size: 0.95rem; }
    .trust-banner { display: none; }
    .section-header h2 { font-size: 1.75rem; word-wrap: break-word; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .australia-content h2 { font-size: 1.5rem; word-wrap: break-word; }
    .visa-table { padding: 16px; }
    .visa-table table,
    .visa-table tbody,
    .visa-table tr,
    .visa-table td { display: block; width: 100%; }
    .visa-table thead { display: none; }
    .visa-table tr {
        margin-bottom: 14px;
        border: 1px solid rgba(255,255,255,0.15);
        border-radius: 10px;
        padding: 4px 12px;
    }
    .visa-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: right;
        padding: 9px 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        font-size: 0.9rem;
    }
    .visa-table td:last-child { border-bottom: none; }
    .visa-table td::before {
        content: attr(data-label);
        font-weight: 600;
        text-transform: uppercase;
        font-size: 0.72rem;
        letter-spacing: 0.04em;
        color: rgba(255,255,255,0.55);
        text-align: left;
        padding-right: 12px;
    }
    .visa-table tr.functional-row td {
        justify-content: center;
        text-align: center;
        border-bottom: none;
        font-size: 0.95rem;
    }
    h1, h2, h3 { word-wrap: break-word; overflow-wrap: break-word; }
    .article-content { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .article-content th { white-space: normal; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .test-main { padding: 20px; }
    .test-sidebar { display: none; }
    .results-card { padding: 24px; }
    .score-circle { width: 120px; height: 120px; }
    .score-circle-inner { width: 100px; height: 100px; }
    .score-value { font-size: 2rem; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.5rem; }
    .hero-subtitle { font-size: 0.85rem; }
    .hero-cta { flex-direction: column; }
    .btn-lg { width: 100%; padding: 12px 20px; }
    .trust-banner { display: none; }
    .test-grid { grid-template-columns: 1fr; }
    .australia-content h2 { font-size: 1.25rem; }
    .visa-table { padding: 10px; }
    .visa-table h3 { font-size: 0.95rem; }
    .visa-table td { font-size: 0.85rem; }
    .visa-table td::before { font-size: 0.68rem; }
    .review-card { padding: 10px !important; }
    .review-card .option-text { font-size: 11px; }
    .ai-feedback-content { font-size: 12px; line-height: 1.6; }
    .article-header h1 { font-size: 1.5rem; }
    .article-content h2 { font-size: 1.2rem; }
    .article-content table { font-size: 0.78rem; }
    .article-content th, .article-content td { padding: 8px 10px; }
    .article-content th { white-space: normal; }
    .score-card .score-num { font-size: 1.5rem; }
    .blog-card-body { padding: 14px; }
    .blog-card h3 { font-size: 0.95rem; }
}

/* Test Page Styles */
.test-page {
    padding-top: 90px;
    min-height: 100vh;
}

.test-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    padding: 40px 0;
}

.test-header h1 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.test-header p {
    color: rgba(255,255,255,0.8);
}

.test-container {
    padding: 40px 0;
}

.test-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: start;
}

.test-main {
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 32px;
}

.test-sidebar {
    position: sticky;
    top: 90px;
}

.timer-card {
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
    margin-bottom: 16px;
    text-align: center;
}

.timer-display {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    font-variant-numeric: tabular-nums;
}

.timer-label {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 4px;
}

.progress-card {
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
    margin-bottom: 16px;
}

.progress-bar-container {
    background: var(--border);
    border-radius: 50px;
    height: 8px;
    margin-top: 12px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50px;
    transition: width 0.3s ease;
}

.question-nav {
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
}

.question-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-top: 12px;
}

.q-btn {
    width: 100%;
    aspect-ratio: 1;
    border: 1px solid var(--border);
    background: white;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text);
}

.q-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.q-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.q-btn.answered {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

/* Question Styles */
.question-container {
    margin-bottom: 32px;
}

.question-num {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 8px;
}

.question-text {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.6;
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-btn {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 20px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: white;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    font-family: inherit;
    font-size: 0.95rem;
    line-height: 1.5;
}

.option-btn:hover {
    border-color: var(--primary);
    background: rgba(30,58,95,0.02);
}

.option-btn.selected {
    border-color: var(--primary);
    background: rgba(30,58,95,0.05);
}

.option-btn.correct {
    border-color: var(--success);
    background: rgba(16,185,129,0.05);
}

.option-btn.incorrect {
    border-color: var(--danger);
    background: rgba(239,68,68,0.05);
}

.option-letter {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
    color: var(--text-light);
}

.option-btn.selected .option-letter {
    background: var(--primary);
    color: white;
}

.option-btn.correct .option-letter {
    background: var(--success);
    color: white;
}

.option-btn.incorrect .option-letter {
    background: var(--danger);
    color: white;
}

.option-text {
    flex: 1;
    padding-top: 4px;
}

/* Passage */
.passage-box {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 24px;
    margin-bottom: 24px;
    border-left: 4px solid var(--primary);
    line-height: 1.8;
    font-size: 0.95rem;
}

.passage-title {
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    font-size: 1rem;
}

/* Audio Player */
.audio-player {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 20px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.play-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.play-btn:hover {
    background: var(--primary-light);
    transform: scale(1.05);
}

.audio-progress {
    flex: 1;
    height: 6px;
    background: var(--border);
    border-radius: 50px;
    cursor: pointer;
    position: relative;
}

.audio-progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 50px;
    width: 0%;
    transition: width 0.1s linear;
}

/* Writing Area */
.writing-area {
    width: 100%;
    min-height: 200px;
    padding: 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.7;
    resize: vertical;
    transition: border-color 0.3s ease;
}

.writing-area:focus {
    outline: none;
    border-color: var(--primary);
}

.word-count {
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 8px;
}

/* Speaking */
.record-section {
    text-align: center;
    padding: 32px;
}

.record-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--danger);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    transition: var(--transition);
    position: relative;
}

.record-btn::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid transparent;
    transition: var(--transition);
}

.record-btn.recording::before {
    border-color: var(--danger);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.3); opacity: 0; }
}

.record-btn:hover {
    transform: scale(1.05);
}

.record-btn svg {
    width: 32px;
    height: 32px;
}

.record-status {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.record-time {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Results */
.results-section {
    padding: 40px 0;
}

.results-card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 48px;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.results-header {
    margin-bottom: 32px;
}

.results-header h2 {
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.score-circle {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: conic-gradient(var(--primary) 0%, var(--primary) var(--score-pct, 0%), var(--border) var(--score-pct, 0%));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 24px auto;
    position: relative;
}

.score-circle-inner {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    background: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.score-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.score-max {
    font-size: 0.85rem;
    color: var(--text-light);
}

.score-level {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(16,185,129,0.1);
    color: var(--success);
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.score-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    margin-top: 32px;
    text-align: center;
}

.breakdown-item {
    padding: 16px;
    background: var(--bg);
    border-radius: var(--radius-sm);
}

.breakdown-label {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.breakdown-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

/* AI Feedback */
.ai-feedback {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 24px;
    margin-top: 32px;
    text-align: left;
}

.ai-feedback h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-feedback-content {
    color: var(--text-light);
    line-height: 1.8;
    white-space: pre-wrap;
}

/* Loading */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--primary-dark);
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-xl);
    z-index: 3000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Ad placeholder */
.ad-placeholder {
    background: var(--bg);
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    text-align: center;
    color: var(--text-lighter);
    font-size: 0.8rem;
    margin: 16px 0;
}

/* ─── Blog & Article Styles ─── */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 24px;
}
.blog-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.blog-card-image {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #fff;
}
.blog-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.blog-card-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 10px;
    border-radius: 50px;
    margin-bottom: 10px;
    align-self: flex-start;
}
.blog-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    line-height: 1.4;
    color: var(--text);
}
.blog-card p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
    flex: 1;
    margin-bottom: 12px;
}
.blog-card-meta {
    font-size: 0.75rem;
    color: var(--text-lighter);
    margin-top: auto;
}
.article-container { max-width: 820px; margin: 0 auto; }
.article-header {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}
.article-header h1 { font-size: 2rem; margin-bottom: 12px; line-height: 1.3; }
.article-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.article-meta span { display: flex; align-items: center; gap: 4px; }
.article-content { line-height: 1.8; }
.article-content h2 {
    font-size: 1.4rem;
    margin: 36px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--accent-light);
    color: var(--primary);
}
.article-content h3 {
    font-size: 1.15rem;
    margin: 24px 0 12px;
    color: var(--text);
}
.article-content p { margin-bottom: 16px; color: var(--text); font-size: 1rem; }
.article-content ul, .article-content ol {
    margin: 0 0 16px 20px;
    color: var(--text);
    line-height: 1.8;
}
.article-content li { margin-bottom: 6px; }
.article-content .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 20px 0 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.article-content th {
    background: var(--primary);
    color: #fff;
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.article-content td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}
.article-content tr:nth-child(even) td { background: #f8fafc; }
.article-content tr:hover td { background: #eff6ff; }
.article-content .highlight-row td { background: #fef3c7 !important; font-weight: 600; }
.info-box {
    background: #eff6ff;
    border-left: 4px solid var(--info);
    padding: 16px 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 20px 0;
    font-size: 0.9rem;
    color: #1e40af;
    line-height: 1.6;
}
.info-box strong { display: block; margin-bottom: 4px; }
.score-compare {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin: 20px 0;
}
.score-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    text-align: center;
}
.score-card .score-num { font-size: 2rem; font-weight: 800; color: var(--primary); }
.score-card .score-label { font-size: 0.8rem; color: var(--text-light); margin-top: 4px; }
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
    text-decoration: none;
}
.back-link:hover { text-decoration: underline; }
.toc {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    margin: 24px 0;
}
.toc h4 { margin-bottom: 12px; font-size: 0.9rem; color: var(--primary); }
.toc ol { margin: 0; padding-left: 20px; }
.toc li { margin-bottom: 6px; font-size: 0.9rem; }
.toc a { color: var(--primary); text-decoration: none; }
.toc a:hover { text-decoration: underline; }

/* Sticky in-exam navigation: Exit + module switcher */
.exam-nav { position: sticky; top: 70px; z-index: 900; background: #fff; border-bottom: 1px solid var(--border); box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.exam-nav-inner { display: flex; align-items: center; gap: 18px; min-height: 56px; padding: 10px 0; flex-wrap: wrap; }
.exam-exit { display: inline-flex; align-items: center; gap: 6px; color: var(--text-light); text-decoration: none; font-weight: 600; font-size: 0.9rem; padding: 8px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); transition: var(--transition); white-space: nowrap; }
.exam-exit:hover { color: var(--danger); border-color: var(--danger); }
.exam-modules { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.exam-modules a { text-decoration: none; color: var(--text-light); font-weight: 600; font-size: 0.9rem; padding: 8px 14px; border-radius: var(--radius-sm); transition: var(--transition); white-space: nowrap; }
.exam-modules a:hover { color: var(--primary); background: rgba(0,0,0,0.04); }
.exam-modules a.active { color: #fff; background: var(--primary); }
@media (max-width: 768px) {
    .exam-nav-inner { gap: 10px; }
    .exam-modules { margin-left: 0; width: 100%; justify-content: flex-start; }
    .exam-modules a { padding: 6px 10px; font-size: 0.85rem; }
    .exam-exit { padding: 6px 10px; font-size: 0.85rem; }
}
/* Back-to-PrepSettle link in focused section navbars */
.nav-links a.nav-back { color: var(--text-lighter); font-size: 0.82rem; font-weight: 500; }
.nav-links a.nav-back:hover { color: var(--primary); }

/* Pre-test instructions overlay */
.met-instr-overlay { position: fixed; inset: 0; z-index: 999; display: none; align-items: center; justify-content: center; padding: 20px; background: rgba(15, 23, 42, 0.55); }
.met-instr-card { width: 100%; max-width: 720px; max-height: 90vh; overflow-y: auto; background: #fff; border-radius: var(--radius); padding: 32px 36px; box-shadow: var(--shadow-xl); }
.met-instr-card h2 { margin: 0 0 18px; font-size: 1.4rem; color: var(--primary-dark); }
.met-instr-list { margin: 0 0 6px; }
.met-instr-list p { margin: 0 0 14px; line-height: 1.6; color: #334155; font-size: 0.98rem; }
.met-instr-list p:last-child { margin-bottom: 0; }
.met-instr-actions { margin-top: 22px; display: flex; gap: 12px; justify-content: flex-end; flex-wrap: wrap; }

/* In-test per-part direction banner */
.part-instruction { background: var(--bg); border: 1px solid var(--border); border-left: 4px solid var(--primary); border-radius: var(--radius-sm); padding: 16px 20px; margin-bottom: 24px; }
.part-instruction .part-instruction-title { font-weight: 700; color: var(--primary-dark); font-size: 0.95rem; margin-bottom: 6px; }
.part-instruction p { margin: 0; line-height: 1.6; color: var(--text-light); font-size: 0.95rem; }

#questionArea { scroll-margin-top: 130px; }