/* ============================================
   IPSC Exam Portal — Main Stylesheet v1.0.0
   Armanov d.o.o. — www.armanov.com
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Brand Colors — Armanov */
    --color-primary: #1B4D8E;
    --color-primary-dark: #143C6E;
    --color-primary-light: #E8EFF7;
    --color-secondary: #111827;
    --color-accent: #C8942D;
    --color-accent-dark: #A67A24;
    --color-accent-light: #FBF3E4;

    /* Neutrals */
    --color-bg: #F0F2F5;
    --color-surface: #ffffff;
    --color-border: #D8DEE6;
    --color-text: #111827;
    --color-text-light: #4B5563;
    --color-text-muted: #9CA3AF;

    /* Semantic */
    --color-success: #059669;
    --color-success-light: #ECFDF5;
    --color-danger: #DC2626;
    --color-danger-light: #FEF2F2;
    --color-warning: #D97706;
    --color-warning-light: #FFFBEB;
    --color-info: #2563EB;
    --color-info-light: #EFF6FF;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Layout */
    --max-width: 1200px;
    --header-height: 72px;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.08), 0 4px 10px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.1), 0 8px 16px rgba(0,0,0,0.06);

    /* Transitions */
    --transition: 150ms ease;
    --transition-slow: 300ms ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.01em;
}
h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }

ul, ol {
    padding-left: var(--space-6);
}

blockquote {
    border-left: 4px solid var(--color-border);
    padding: var(--space-3) var(--space-4);
    margin: var(--space-4) 0;
    background: var(--color-bg);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    font-style: italic;
    color: var(--color-text-light);
}

hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-8) 0;
}

/* --- Layout --- */
header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    box-shadow: var(--shadow-sm);
}

header nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.02em;
}
.logo:hover { color: var(--color-text); text-decoration: none; }

.logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--border-radius);
}
.logo-mark svg {
    width: 24px;
    height: 24px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.nav-actions a:not(.btn) {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-light);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--border-radius);
    transition: all var(--transition);
}
.nav-actions a:not(.btn):hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
    text-decoration: none;
}
.nav-register {
    margin-left: var(--space-2);
}

main {
    flex: 1;
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
}

/* Landing page: full-width main */
body.page-landing main {
    max-width: none;
    padding: 0;
}

footer {
    background: var(--color-secondary);
    color: #9CA3AF;
    padding: var(--space-8) var(--space-6);
    margin-top: auto;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}
.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}
.footer-company {
    font-size: var(--text-sm);
}
.footer-content a {
    color: #D1D5DB;
    transition: color var(--transition);
}
.footer-content a:hover {
    color: #fff;
    text-decoration: none;
}
.footer-links {
    display: flex;
    gap: var(--space-6);
}
.footer-links a {
    font-size: var(--text-sm);
}
.disclaimer {
    font-size: var(--text-xs);
    color: #6B7280;
    margin-top: var(--space-4);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}
.footer-version {
    font-size: var(--text-xs);
    color: #4B5563;
    margin-top: var(--space-4);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.5;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:disabled, .btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
}

.btn-accent {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}
.btn-accent:hover:not(:disabled) {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: #fff;
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-secondary:hover:not(:disabled) {
    background: var(--color-bg);
    border-color: var(--color-text-muted);
    color: var(--color-text);
}

.btn-success {
    background: var(--color-success);
    color: #fff;
    border-color: var(--color-success);
}
.btn-success:hover:not(:disabled) {
    background: #047857;
    border-color: #047857;
    color: #fff;
}

.btn-danger {
    background: var(--color-danger);
    color: #fff;
    border-color: var(--color-danger);
}
.btn-danger:hover:not(:disabled) {
    background: #B91C1C;
    border-color: #B91C1C;
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-light);
    padding: var(--space-2) var(--space-3);
}
.btn-ghost:hover:not(:disabled) {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.btn-link {
    background: none;
    color: var(--color-primary);
    padding: 0;
    border: none;
    font-weight: 500;
}
.btn-link:hover { text-decoration: underline; }

.btn-full { width: 100%; }
.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}
.btn-sm {
    padding: var(--space-1) var(--space-4);
    font-size: var(--text-sm);
    border-width: 1.5px;
}

/* --- Forms --- */
.form-group {
    margin-bottom: var(--space-5);
}
.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="url"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1.5px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.5;
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(27, 77, 142, 0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-hint {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.form-error {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-danger);
    margin-top: var(--space-1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-row-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-5);
}

.form-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.form-section-label {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
    margin-top: var(--space-6);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border);
}
.form-section-label:first-child {
    margin-top: 0;
}

.checkbox-group {
    margin-bottom: var(--space-4);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
    font-size: var(--text-sm);
}
.checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
}

.nl-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1.5px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    resize: vertical;
    min-height: 100px;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.nl-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(27, 77, 142, 0.12);
}

/* --- Alerts --- */
.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-5);
    font-size: var(--text-sm);
    line-height: 1.5;
}
.alert ul {
    margin: var(--space-2) 0 0;
}
.alert-success {
    background: var(--color-success-light);
    color: #065F46;
    border: 1px solid #A7F3D0;
}
.alert-error {
    background: var(--color-danger-light);
    color: #991B1B;
    border: 1px solid #FECACA;
}
.alert-warning {
    background: var(--color-warning-light);
    color: #92400E;
    border: 1px solid #FDE68A;
}
.alert-info {
    background: var(--color-info-light);
    color: #1E40AF;
    border: 1px solid #BFDBFE;
}

/* Flash messages */
.flash {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
}
.flash-success { background: var(--color-success-light); color: #065F46; border-bottom: 2px solid var(--color-success); }
.flash-error { background: var(--color-danger-light); color: #991B1B; border-bottom: 2px solid var(--color-danger); }
.flash-warning { background: var(--color-warning-light); color: #92400E; border-bottom: 2px solid var(--color-warning); }
.flash-info { background: var(--color-info-light); color: #1E40AF; border-bottom: 2px solid var(--color-info); }

/* --- Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: 100px;
    line-height: 1.5;
}
.badge-success {
    background: var(--color-success-light);
    color: var(--color-success);
}
.badge-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
}
.badge-easy {
    background: var(--color-success-light);
    color: var(--color-success);
}
.badge-medium {
    background: var(--color-warning-light);
    color: var(--color-warning);
}
.badge-hard {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

/* --- Tables --- */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}
.table th,
.table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}
.table th {
    font-weight: 600;
    color: var(--color-text-light);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--color-bg);
}
.table tbody tr:hover {
    background: var(--color-bg);
}

/* --- Cards --- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
}

.card-label {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.card-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
}

.card-detail {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    margin-top: var(--space-1);
}

/* --- Progress Bar --- */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-bg);
    border-radius: 100px;
    overflow: hidden;
    margin-top: var(--space-3);
}
.progress-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 100px;
    transition: width 0.6s ease;
}
.progress-fill.progress-success {
    background: var(--color-success);
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-4);
}
.modal-content {
    background: var(--color-surface);
    border-radius: var(--border-radius-xl);
    padding: var(--space-8);
    max-width: 480px;
    width: 100%;
    box-shadow: var(--shadow-xl);
}
.modal-content h2 {
    margin-bottom: var(--space-4);
}
.modal-content p {
    margin-bottom: var(--space-4);
    color: var(--color-text-light);
}
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

/* --- Text Utilities --- */
.text-center { text-align: center; }
.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-muted { color: var(--color-text-muted) !important; }
.link-small { font-size: var(--text-sm); }

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-8);
    color: var(--color-text-muted);
}

/* --- Language Switcher --- */
.language-switcher {
    position: relative;
}
.language-switcher button {
    background: transparent;
    border: 1.5px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    color: var(--color-text);
    font-family: var(--font-sans);
    transition: all var(--transition);
}
.language-switcher button:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.language-switcher .dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-2);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 180px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 200;
}

/* --- Language Picker Modal --- */
.language-picker-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-4);
}
.language-options {
    background: var(--color-surface);
    border-radius: var(--border-radius-xl);
    padding: var(--space-8);
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}
.language-option-btn {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border: 1.5px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-surface);
    cursor: pointer;
    margin-bottom: var(--space-2);
    transition: all var(--transition);
    font-family: var(--font-sans);
}
.language-option-btn:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}
.lang-native-large {
    font-size: var(--text-lg);
    font-weight: 600;
}
.lang-name-small {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* --- Sticky --- */
.sticky {
    position: sticky;
    top: var(--header-height);
    background: var(--color-surface);
    z-index: 50;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) var(--space-4);
    margin: calc(var(--space-8) * -1) calc(var(--space-6) * -1) var(--space-6);
}

/* ============================================
   AUTH PAGES
   ============================================ */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: calc(100vh - var(--header-height) - 200px);
    padding: var(--space-12) var(--space-4);
    background:
        radial-gradient(ellipse at 30% 0%, rgba(27, 77, 142, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 100%, rgba(200, 148, 45, 0.04) 0%, transparent 50%),
        var(--color-bg);
}

.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.auth-card-wide {
    max-width: 560px;
}

.auth-card-header {
    background: linear-gradient(135deg, #111827 0%, #1B3A5C 50%, #1B4D8E 100%);
    padding: var(--space-8) var(--space-8) var(--space-6);
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.auth-card-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(200, 148, 45, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 255, 255, 0.04) 0%, transparent 40%);
    pointer-events: none;
}

.auth-card-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-4);
    color: #fff;
    position: relative;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.auth-card-header h1 {
    color: #fff;
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
    font-weight: 700;
    position: relative;
}

.auth-card-header p {
    color: rgba(255, 255, 255, 0.75);
    font-size: var(--text-sm);
    margin: 0;
    position: relative;
}

.auth-card-body {
    padding: var(--space-8);
}

.auth-form .btn-primary {
    margin-top: var(--space-2);
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

.auth-subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--space-8);
}

.auth-help {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-4);
}

.auth-icon {
    text-align: center;
    font-size: 48px;
    margin-bottom: var(--space-4);
}
.auth-icon-success { color: var(--color-success); }
.auth-icon-error { color: var(--color-danger); }

.auth-icon-svg {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin-bottom: var(--space-4);
}
.auth-icon-svg.icon-success {
    background: var(--color-success-light);
    color: var(--color-success);
}
.auth-icon-svg.icon-error {
    background: var(--color-danger-light);
    color: var(--color-danger);
}
.auth-icon-svg.icon-info {
    background: var(--color-info-light);
    color: var(--color-info);
}

.email-display {
    font-weight: 600;
    color: var(--color-primary);
}

/* ============================================
   PAGE HERO — Shared gradient header for inner pages
   ============================================ */
.page-hero {
    background: linear-gradient(135deg, #111827 0%, #1B3A5C 50%, #1B4D8E 100%);
    color: #fff;
    padding: var(--space-10) var(--space-6) var(--space-8);
    margin: calc(var(--space-8) * -1) calc(var(--space-6) * -1) var(--space-8);
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(200, 148, 45, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 255, 255, 0.04) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 100%, rgba(27, 77, 142, 0.15) 0%, transparent 50%);
    pointer-events: none;
}
.page-hero-inner {
    max-width: 960px;
    position: relative;
    z-index: 1;
}
.page-hero h1 {
    color: #fff;
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}
.page-hero p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-base);
    margin: 0;
}
.page-hero .accent {
    color: var(--color-accent);
}

.page-hero-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.page-hero .progress-bar {
    background: rgba(255, 255, 255, 0.15);
    max-width: 300px;
}
.page-hero .progress-fill {
    background: var(--color-accent);
}

.page-hero-stats {
    display: flex;
    gap: var(--space-8);
    margin-top: var(--space-4);
}
.page-hero-stat {
    text-align: center;
}
.page-hero-stat-value {
    font-size: var(--text-xl);
    font-weight: 700;
    color: #fff;
}
.page-hero-stat-label {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--space-1);
}

/* ============================================
   DASHBOARD
   ============================================ */
.dashboard {
    max-width: 960px;
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
    gap: var(--space-4);
}
.dashboard-header h1 {
    font-size: var(--text-2xl);
}

.discipline-switcher {
    position: relative;
}
.disc-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-sans);
}
.disc-btn:hover { border-color: var(--color-primary); }

.disc-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-2);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 220px;
    z-index: 200;
    overflow: hidden;
}
.disc-option {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-text);
    transition: all var(--transition);
}
.disc-option:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
    text-decoration: none;
}
.disc-option.active {
    background: var(--color-primary);
    color: #fff;
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-8);
}

.dashboard-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-8);
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-8) var(--space-5);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-slow);
    text-decoration: none;
    color: var(--color-text);
    position: relative;
    overflow: hidden;
}
.action-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}
.action-btn:hover {
    text-decoration: none;
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.action-btn:hover::after {
    opacity: 1;
}

.action-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-4);
    transition: all var(--transition-slow);
}
.action-icon svg {
    width: 28px;
    height: 28px;
}

.action-label {
    font-weight: 600;
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.action-desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.action-learn .action-icon { background: var(--color-primary-light); color: var(--color-primary); }
.action-learn:hover { border-color: var(--color-primary); }
.action-learn::after { background: radial-gradient(ellipse at 50% 0%, rgba(27, 77, 142, 0.04) 0%, transparent 70%); }

.action-exam .action-icon { background: var(--color-success-light); color: var(--color-success); }
.action-exam:hover { border-color: var(--color-success); }
.action-exam::after { background: radial-gradient(ellipse at 50% 0%, rgba(5, 150, 105, 0.04) 0%, transparent 70%); }

.action-scenario .action-icon { background: var(--color-accent-light); color: var(--color-accent); }
.action-scenario:hover { border-color: var(--color-accent); }
.action-scenario::after { background: radial-gradient(ellipse at 50% 0%, rgba(200, 148, 45, 0.04) 0%, transparent 70%); }

.dashboard-section {
    margin-bottom: var(--space-8);
}
.dashboard-section h2 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
}

.certificate-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-3);
}
.cert-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}
.cert-info span {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

/* ============================================
   LEARNING MODE
   ============================================ */
.learn-page {
    max-width: 960px;
}

.learn-header {
    margin-bottom: var(--space-8);
}
.learn-header h1 {
    margin-bottom: var(--space-3);
}

.learn-progress {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-light);
}
.learn-progress .progress-bar {
    flex: 1;
    max-width: 300px;
}

.chapters-grid {
    display: grid;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.chapter-card {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    padding: var(--space-5) var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-slow);
    text-decoration: none;
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
}
.chapter-card:hover {
    text-decoration: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    color: var(--color-text);
    transform: translateX(4px);
}
.chapter-card.chapter-completed {
    border-left: 4px solid var(--color-success);
}

.chapter-number {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
    min-width: 40px;
    text-align: center;
}

.chapter-info {
    flex: 1;
}
.chapter-info h3 {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
}

.chapter-status {
    font-size: var(--text-xs);
    font-weight: 500;
}
.status-complete { color: var(--color-success); }
.status-pending { color: var(--color-text-muted); }

.chapter-arrow {
    font-size: var(--text-xl);
    color: var(--color-text-muted);
}

.learn-footer {
    display: flex;
    justify-content: space-between;
}

/* --- Chapter Detail --- */
.chapter-page {
    max-width: 100%;
}

.chapter-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--space-8);
    align-items: start;
}

.chapter-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-8));
}
.chapter-sidebar h3 {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.chapter-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius-sm);
    font-size: var(--text-sm);
    color: var(--color-text-light);
    text-decoration: none;
    transition: all var(--transition);
}
.sidebar-link:hover {
    background: var(--color-bg);
    color: var(--color-text);
    text-decoration: none;
}
.sidebar-link.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 600;
}
.sidebar-link.completed {
    color: var(--color-success);
}

.sidebar-num {
    min-width: 24px;
    text-align: center;
    font-weight: 600;
}
.sidebar-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sidebar-check {
    color: var(--color-success);
    font-size: var(--text-xs);
}

.chapter-content {
    max-width: 720px;
}

.chapter-header {
    margin-bottom: var(--space-6);
}
.chapter-badge {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}
.chapter-content h1 {
    font-size: var(--text-2xl);
}

.chapter-summary {
    line-height: 1.8;
    margin-bottom: var(--space-8);
}
.chapter-summary p {
    margin-bottom: var(--space-4);
}

.chapter-actions {
    margin: var(--space-8) 0;
}

.chapter-nav-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

/* --- Practice Questions --- */
.practice-section {
    margin-top: var(--space-10);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}
.practice-section h2 {
    margin-bottom: var(--space-6);
}

.practice-question {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--space-6);
    margin-bottom: var(--space-5);
}

.question-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.question-num {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-light);
}

.question-text {
    font-size: var(--text-base);
    line-height: 1.6;
    margin-bottom: var(--space-5);
}

.question-image {
    max-width: 100%;
    border-radius: var(--border-radius);
    margin-bottom: var(--space-4);
    border: 1px solid var(--color-border);
}

/* MC Options */
.mc-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.mc-option {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-surface);
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    text-align: left;
    width: 100%;
}
.mc-option:hover:not(:disabled) {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

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

.mc-text {
    flex: 1;
}

.mc-option.mc-selected {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}
.mc-option.mc-selected .mc-label {
    background: var(--color-primary);
    color: #fff;
}

.mc-option.mc-correct {
    border-color: var(--color-success);
    background: var(--color-success-light);
}
.mc-option.mc-correct .mc-label {
    background: var(--color-success);
    color: #fff;
}

.mc-option.mc-wrong {
    border-color: var(--color-danger);
    background: var(--color-danger-light);
}
.mc-option.mc-wrong .mc-label {
    background: var(--color-danger);
    color: #fff;
}

/* Answer Feedback */
.answer-feedback {
    margin-top: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--border-radius);
}
.feedback-correct {
    background: var(--color-success-light);
    color: #065F46;
    padding: var(--space-4);
    border-radius: var(--border-radius);
}
.feedback-incorrect {
    background: var(--color-danger-light);
    color: #991B1B;
    padding: var(--space-4);
    border-radius: var(--border-radius);
}
.feedback-missing {
    background: var(--color-warning-light);
    color: #92400E;
    padding: var(--space-4);
    border-radius: var(--border-radius);
}
.feedback-reference {
    margin-top: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text-light);
}
.feedback-section {
    margin-bottom: var(--space-5);
    padding: var(--space-4);
    border-radius: var(--border-radius);
}
.feedback-section h3 {
    font-size: var(--text-base);
    margin-bottom: var(--space-3);
}
.feedback-section ul {
    margin-top: var(--space-2);
}
.feedback-section li {
    margin-bottom: var(--space-2);
}

.reference-answer {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: var(--color-info-light);
    border-radius: var(--border-radius);
}
.reference-answer strong {
    display: block;
    margin-bottom: var(--space-2);
}
.reference-text {
    color: var(--color-text-light);
    font-style: italic;
}

/* ============================================
   EXAM
   ============================================ */
.exam-start-page {
    display: flex;
    justify-content: center;
    padding: var(--space-8) 0;
}

.exam-start-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    max-width: 600px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    text-align: center;
    overflow: hidden;
}

.exam-start-header {
    background: linear-gradient(135deg, #111827 0%, #1B3A5C 50%, #1B4D8E 100%);
    padding: var(--space-10) var(--space-8);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.exam-start-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(200, 148, 45, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 255, 255, 0.04) 0%, transparent 40%);
    pointer-events: none;
}
.exam-start-header h1,
.exam-start-header h2 {
    position: relative;
}
.exam-start-header .exam-start-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-5);
    color: #fff;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.exam-start-header .exam-start-icon svg {
    width: 32px;
    height: 32px;
}

.exam-start-body {
    padding: var(--space-8);
}

.exam-start-card h1 {
    margin-bottom: var(--space-2);
    color: #fff;
}
.exam-start-card h2 {
    color: var(--color-accent);
    margin-bottom: 0;
    font-size: var(--text-xl);
    position: relative;
}

.exam-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}
.info-item {
    padding: var(--space-4);
    background: var(--color-bg);
    border-radius: var(--border-radius);
}
.info-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
}
.info-value {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text);
}

.exam-rules {
    text-align: left;
    margin-bottom: var(--space-6);
}
.exam-rules h3 {
    font-size: var(--text-base);
    margin-bottom: var(--space-3);
}
.exam-rules ul {
    list-style: none;
    padding: 0;
}
.exam-rules li {
    padding: var(--space-2) 0;
    padding-left: var(--space-6);
    position: relative;
    font-size: var(--text-sm);
    color: var(--color-text-light);
}
.exam-rules li::before {
    content: '\2022';
    position: absolute;
    left: var(--space-2);
    color: var(--color-primary);
    font-weight: 700;
}

.exam-attempts {
    margin-bottom: var(--space-6);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* Exam Session */
.exam-session {
    max-width: 800px;
    margin: 0 auto;
}

.exam-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.exam-title {
    font-weight: 600;
    font-size: var(--text-base);
}

.exam-timer {
    font-size: var(--text-xl);
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--color-text);
}
.exam-timer.timer-warning {
    color: var(--color-warning);
}
.exam-timer.timer-danger {
    color: var(--color-danger);
    animation: pulse 1s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.exam-progress-mini {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    font-weight: 500;
}

.exam-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    padding: var(--space-4) 0;
}

.q-nav-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background: var(--color-surface);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-sans);
}
.q-nav-btn:hover { border-color: var(--color-primary); }
.q-nav-btn.q-current {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.q-nav-btn.q-answered {
    background: var(--color-success-light);
    border-color: var(--color-success);
    color: var(--color-success);
}
.q-nav-btn.q-flagged {
    background: var(--color-warning-light);
    border-color: var(--color-warning);
}

.exam-question {
    margin-bottom: var(--space-6);
}

.exam-actions {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.flagged {
    color: var(--color-warning) !important;
}

/* Scenario description within exam */
.scenario-description {
    background: var(--color-info-light);
    border-left: 4px solid var(--color-info);
    padding: var(--space-4);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    margin-bottom: var(--space-4);
}

/* Exam Results */
.exam-results-page {
    max-width: 800px;
    margin: 0 auto;
}

.results-header {
    text-align: center;
    margin-bottom: var(--space-8);
}
.results-header h2 {
    color: var(--color-primary);
    font-size: var(--text-lg);
}

.score-card {
    text-align: center;
    padding: var(--space-10);
    border-radius: var(--border-radius-xl);
    margin-bottom: var(--space-8);
}
.score-card.score-passed {
    background: var(--color-success-light);
    border: 2px solid var(--color-success);
}
.score-card.score-failed {
    background: var(--color-danger-light);
    border: 2px solid var(--color-danger);
}

.score-icon {
    font-size: 48px;
    margin-bottom: var(--space-3);
}
.score-passed .score-icon { color: var(--color-success); }
.score-failed .score-icon { color: var(--color-danger); }

.score-value {
    font-size: 3rem;
    font-weight: 800;
}
.score-passed .score-value { color: var(--color-success); }
.score-failed .score-value { color: var(--color-danger); }

.score-label {
    font-size: var(--text-lg);
    font-weight: 600;
    margin: var(--space-3) 0;
}

.score-detail {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

.score-time {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

.certificate-prompt {
    text-align: center;
    padding: var(--space-6);
    background: var(--color-success-light);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-8);
}
.certificate-prompt p {
    margin-bottom: var(--space-4);
    font-weight: 500;
}

.results-breakdown {
    margin-bottom: var(--space-8);
}
.results-breakdown h3 {
    margin-bottom: var(--space-5);
}

.result-question {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--space-5);
    margin-bottom: var(--space-4);
    background: var(--color-surface);
}
.result-question.result-correct {
    border-left: 4px solid var(--color-success);
}
.result-question.result-incorrect {
    border-left: 4px solid var(--color-danger);
}

.result-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.result-num {
    font-weight: 700;
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

.result-badge {
    font-size: var(--text-sm);
}

.result-llm-score {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-left: auto;
}

.result-question-text {
    font-size: var(--text-base);
    margin-bottom: var(--space-4);
}

.result-mc,
.result-nl {
    font-size: var(--text-sm);
}
.result-mc p,
.result-nl p {
    margin-bottom: var(--space-2);
}

.result-reference {
    margin-top: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text-light);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

.result-score-card {
    text-align: center;
    padding: var(--space-6);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-6);
}
.result-score-card.score-passed {
    background: var(--color-success-light);
    border: 2px solid var(--color-success);
}
.result-score-card.score-failed {
    background: var(--color-danger-light);
    border: 2px solid var(--color-danger);
}
.result-score {
    font-size: var(--text-3xl);
    font-weight: 800;
}

.llm-feedback {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.6;
    padding: var(--space-3);
    background: var(--color-bg);
    border-radius: var(--border-radius-sm);
}

.results-footer {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
}

/* ============================================
   SCENARIOS
   ============================================ */
.scenarios-page {
    max-width: 960px;
}

.scenarios-header {
    margin-bottom: var(--space-8);
}
.scenarios-header h1 {
    margin-bottom: var(--space-2);
}
.scenarios-subtitle {
    color: var(--color-text-light);
    font-size: var(--text-base);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-8);
}

.scenario-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-slow);
    text-decoration: none;
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
}
.scenario-card:hover {
    text-decoration: none;
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    color: var(--color-text);
    border-color: var(--color-accent);
}

.scenario-thumb {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--color-bg);
}

.scenario-info {
    padding: var(--space-5);
}
.scenario-num {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}
.scenario-info h3 {
    font-size: var(--text-base);
    margin: var(--space-2) 0 var(--space-3);
    line-height: 1.4;
}

.scenarios-footer {
    margin-top: var(--space-4);
}

/* Scenario Detail */
.scenario-detail-page {
    max-width: 720px;
    margin: 0 auto;
}

.scenario-content {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-6);
}
.scenario-content h1 {
    margin: var(--space-3) 0 var(--space-6);
    font-size: var(--text-2xl);
}

.scenario-detail-page .scenario-description {
    background: var(--color-bg);
    border-left: none;
    padding: var(--space-5);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.scenario-image {
    width: 100%;
    border-radius: var(--border-radius);
    margin-bottom: var(--space-6);
    border: 1px solid var(--color-border);
}

.scenario-answer {
    margin-top: var(--space-6);
}
.scenario-answer label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-3);
}
.scenario-answer textarea {
    width: 100%;
    padding: var(--space-4);
    border: 1.5px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    resize: vertical;
    margin-bottom: var(--space-4);
    transition: border-color var(--transition);
}
.scenario-answer textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(27, 77, 142, 0.12);
}

.scenario-result {
    margin-top: var(--space-6);
}

.scenario-footer {
    margin-top: var(--space-4);
}

/* ============================================
   CERTIFICATE VERIFICATION
   ============================================ */
.verify-page {
    display: flex;
    justify-content: center;
    padding: var(--space-8) 0;
}

.verify-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    max-width: 560px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    text-align: center;
    overflow: hidden;
}

.verify-card-header {
    background: linear-gradient(135deg, #111827 0%, #1B3A5C 50%, #1B4D8E 100%);
    padding: var(--space-8);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.verify-card-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(200, 148, 45, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 255, 255, 0.04) 0%, transparent 40%);
    pointer-events: none;
}
.verify-card-header h1 {
    color: #fff;
    position: relative;
    margin-bottom: 0;
}
.verify-card-header .verify-header-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    color: #fff;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.verify-card-header .verify-header-icon svg {
    width: 28px;
    height: 28px;
}

.verify-card-body {
    padding: var(--space-8);
}

.verify-card h1 {
    margin-bottom: var(--space-6);
}

.verify-valid {
    margin-bottom: var(--space-6);
}
.verify-icon {
    font-size: 48px;
    color: var(--color-success);
    margin-bottom: var(--space-3);
}
.verify-icon-error {
    color: var(--color-danger);
}

.verify-details {
    text-align: left;
    background: var(--color-bg);
    border-radius: var(--border-radius);
    padding: var(--space-5);
    margin-top: var(--space-6);
}
.verify-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
}
.verify-row:last-child {
    border-bottom: none;
}
.verify-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}
.verify-value {
    font-weight: 600;
}

.verify-invalid {
    margin-bottom: var(--space-6);
}

.verify-disclaimer {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-6);
}

/* ============================================
   LANDING PAGE
   ============================================ */

/* Hero */
.landing-hero {
    background: linear-gradient(135deg, #111827 0%, #1B3A5C 50%, #1B4D8E 100%);
    color: #fff;
    text-align: center;
    padding: var(--space-24) var(--space-6);
    position: relative;
    overflow: hidden;
}
.landing-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(200, 148, 45, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 255, 255, 0.04) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 100%, rgba(27, 77, 142, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.landing-hero-inner {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.landing-hero h1 {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: var(--space-5);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.landing-hero h1 .accent {
    color: var(--color-accent);
}

.landing-hero p {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: var(--space-10);
    line-height: 1.7;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}

.landing-hero-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: #fff;
    padding: var(--space-4) var(--space-10);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--border-radius);
    border: 2px solid var(--color-accent);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn-hero-primary:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(200, 148, 45, 0.3);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: #fff;
    padding: var(--space-4) var(--space-10);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--border-radius);
    border: 2px solid rgba(255, 255, 255, 0.25);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn-hero-secondary:hover {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    text-decoration: none;
}

/* Trust Bar */
.landing-trust {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-6) var(--space-6);
}
.landing-trust-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: var(--space-16);
    flex-wrap: wrap;
}
.trust-item {
    text-align: center;
}
.trust-value {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}
.trust-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
    font-weight: 500;
}

/* Features */
.landing-features {
    padding: var(--space-20) var(--space-6);
    background: var(--color-bg);
}
.landing-features-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}
.landing-features-header {
    text-align: center;
    margin-bottom: var(--space-12);
}
.landing-features-header h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
    font-weight: 700;
}
.landing-features-header p {
    color: var(--color-text-light);
    font-size: var(--text-base);
    max-width: 520px;
    margin: 0 auto;
}

.landing-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.landing-feature {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-slow);
}
.landing-feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.landing-feature-icon {
    width: 56px;
    height: 56px;
    background: var(--color-primary-light);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-5);
    color: var(--color-primary);
}
.landing-feature-icon svg {
    width: 28px;
    height: 28px;
}

.landing-feature h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
    font-weight: 600;
}
.landing-feature p {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Disciplines */
.landing-disciplines {
    padding: var(--space-20) var(--space-6);
    background: var(--color-surface);
    text-align: center;
}
.landing-disciplines-inner {
    max-width: 900px;
    margin: 0 auto;
}
.landing-disciplines h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
    font-weight: 700;
}
.landing-disciplines-subtitle {
    color: var(--color-text-light);
    margin-bottom: var(--space-8);
    font-size: var(--text-base);
}

.discipline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-4);
}
.discipline-item {
    padding: var(--space-4) var(--space-5);
    background: var(--color-bg);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-text);
    border: 1.5px solid transparent;
    transition: all var(--transition);
}
.discipline-item:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* CTA */
.landing-cta {
    text-align: center;
    padding: var(--space-20) var(--space-6);
    background: linear-gradient(135deg, #1B4D8E 0%, #1B3A5C 100%);
    color: #fff;
}
.landing-cta-inner {
    max-width: 600px;
    margin: 0 auto;
}
.landing-cta h2 {
    color: #fff;
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
    font-weight: 700;
}
.landing-cta p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-8);
    font-size: var(--text-lg);
    line-height: 1.6;
}
.landing-cta .btn {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
    padding: var(--space-4) var(--space-10);
    font-size: var(--text-base);
    font-weight: 600;
}
.landing-cta .btn:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(200, 148, 45, 0.3);
}

/* ============================================
   ALPINE.JS x-cloak
   ============================================ */
[x-cloak] { display: none !important; }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .landing-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    main {
        padding: var(--space-5) var(--space-4);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .dashboard-actions {
        grid-template-columns: 1fr;
    }

    .chapter-layout {
        grid-template-columns: 1fr;
    }

    .chapter-sidebar {
        position: static;
        border-bottom: 1px solid var(--color-border);
        padding-bottom: var(--space-4);
        margin-bottom: var(--space-6);
    }
    .chapter-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--space-2);
    }
    .sidebar-title { display: none; }

    .exam-info {
        grid-template-columns: 1fr;
    }

    .exam-header {
        margin: calc(var(--space-5) * -1) calc(var(--space-4) * -1) var(--space-4);
        padding: var(--space-3) var(--space-4);
    }

    .auth-card-body {
        padding: var(--space-6);
    }
    .auth-card-header {
        padding: var(--space-6) var(--space-6) var(--space-5);
    }

    .page-hero {
        padding: var(--space-8) var(--space-4) var(--space-6);
        margin: calc(var(--space-5) * -1) calc(var(--space-4) * -1) var(--space-5);
    }
    .page-hero h1 {
        font-size: var(--text-xl);
    }
    .page-hero-stats {
        gap: var(--space-5);
    }

    .exam-start-header {
        padding: var(--space-8) var(--space-6);
    }
    .exam-start-body {
        padding: var(--space-6);
    }

    .score-value {
        font-size: 2.5rem;
    }

    .scenarios-grid {
        grid-template-columns: 1fr;
    }

    .nav-actions {
        gap: var(--space-1);
    }
    .nav-actions a:not(.btn) {
        padding: var(--space-1) var(--space-2);
        font-size: var(--text-xs);
    }
    .nav-register {
        margin-left: var(--space-1);
    }

    .results-footer {
        flex-direction: column;
    }

    .learn-footer,
    .chapter-nav-bottom {
        flex-direction: column;
        gap: var(--space-3);
    }

    /* Landing responsive */
    .landing-hero {
        padding: var(--space-16) var(--space-4);
    }
    .landing-hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
        max-width: 320px;
    }

    .landing-features {
        padding: var(--space-12) var(--space-4);
    }
    .landing-features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    .landing-features-header {
        margin-bottom: var(--space-8);
    }

    .landing-trust-inner {
        gap: var(--space-8);
    }

    .landing-disciplines {
        padding: var(--space-12) var(--space-4);
    }
    .discipline-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .landing-cta {
        padding: var(--space-12) var(--space-4);
    }

    .footer-brand {
        flex-direction: column;
        gap: var(--space-3);
    }
}

@media (max-width: 480px) {
    .q-nav-btn {
        width: 30px;
        height: 30px;
        font-size: var(--text-xs);
    }

    .exam-timer {
        font-size: var(--text-lg);
    }

    .verify-row {
        flex-direction: column;
        gap: var(--space-1);
    }

    .modal-content {
        padding: var(--space-5);
    }

    .landing-trust-inner {
        gap: var(--space-6);
    }
    .trust-value {
        font-size: var(--text-xl);
    }

    .discipline-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    header, footer, .exam-nav, .exam-actions,
    .btn, .nav-actions {
        display: none !important;
    }

    main {
        padding: 0;
        max-width: 100%;
    }

    .score-card {
        border: 2px solid #333;
    }
}