:root {
    --primary: #003366;
    --primary-dark: #001f44;
    --secondary: #6c757d;
    --success: #198754;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #0dcaf0;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6b7280;
    --border: #e5e7eb;
    --bg: #f3f6fb;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(120deg, #d9e6f5 0%, #eef4fb 100%);
    color: #1f2937;
    min-height: 100vh;
    animation: gradientBG 8s ease-in-out infinite alternate;
}

@keyframes gradientBG {
    0% { background: linear-gradient(120deg, #d9e6f5 0%, #eef4fb 100%); }
    100% { background: linear-gradient(120deg, #eef4fb 0%, #d9e6f5 100%); }
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color .2s ease;
}

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

a:not(.btn) {
    text-underline-offset: 3px;
    text-decoration-thickness: 1.5px;
}

a:not(.btn):hover {
    text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
.tab-btn:focus-visible,
.btn:focus-visible {
    outline: 2px solid rgba(13, 110, 253, 0.35);
    outline-offset: 2px;
}

.container {
    width: min(1200px, 96%);
    margin: 20px auto;
}

.hidden { display: none !important; }

[hidden] { display: none !important; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 10px;
    border: 1px solid transparent;
    font-weight: 600;
    cursor: pointer;
    transition: .2s ease;
    text-decoration: none;
}

.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary {
    background: linear-gradient(120deg, #003366 60%, #0f2d52 100%);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(0,51,102,0.18);
    transition: background 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
    background: linear-gradient(120deg, #001f44 0%, #003366 100%);
    border-color: var(--primary-dark);
    box-shadow: 0 4px 16px rgba(0,51,102,0.28);
}

.btn-outline { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: #eef4ff; }

.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-secondary { background: var(--secondary); color: #fff; border-color: var(--secondary); }

/* Alerts */
.alert {
    border-radius: 10px;
    padding: 12px 14px;
    margin: 10px 0;
    border: 1px solid transparent;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.alert-error { background: #fdecec; border-color: #f5c2c7; color: #842029; }
.alert-success { background: #eaf7ef; border-color: #badbcc; color: #0f5132; }
.alert-warning { background: #fff8e1; border-color: #ffe69c; color: #664d03; }
.alert-info { background: #e7f1ff; border-color: #b6d4fe; color: #084298; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    margin-bottom: 6px;
}
.form-help { font-size: .9rem; color: var(--gray); margin-top: 6px; }
.form-control {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    font-size: .96rem;
}
.form-control:focus {
    outline: none;
    border-color: #9ec5fe;
    box-shadow: 0 0 0 3px rgba(13,110,253,.15);
}

.form-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 14px;
}

.form-actions a.btn {
    border-radius: 12px;
    padding: 10px 14px;
}

.form-actions a.btn:hover {
    box-shadow: 0 8px 16px rgba(0, 51, 102, 0.12);
}

.back-home .btn {
    border-radius: 999px;
    padding-inline: 14px;
}

.password-input { position: relative; }
.password-input .password-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    color: var(--gray);
    cursor: pointer;
}

/* Login pages */
.back-home { margin-bottom: 12px; }
.login-container {
    background: rgba(255,255,255,0.65);
    border: 1px solid rgba(200,220,255,0.35);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 12px 32px 0 rgba(0,51,102,0.12), 0 1.5px 12px 0 rgba(0,51,102,0.10);
    backdrop-filter: blur(12px);
    transition: box-shadow 0.3s;
}
.login-container:hover {
    box-shadow: 0 16px 40px 0 rgba(0,51,102,0.22), 0 2px 16px 0 rgba(0,51,102,0.16);
}
.login-header {
    background: linear-gradient(135deg, #003366, #0f2d52);
    color: #fff;
    padding: 18px;
}
.login-body { padding: 18px; }
.login-title { margin: 0 0 6px; }
.login-subtitle { margin: 0 0 14px; color: var(--gray); }

.tab-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: linear-gradient(180deg, #f4f7fc, #eef3fa);
    border: 1px solid #dbe5f3;
    border-radius: 12px;
    padding: 5px;
    gap: 4px;
    margin-bottom: 12px;
}
.tab-btn {
    border: none;
    border-radius: 9px;
    padding: 10px;
    background: transparent;
    cursor: pointer;
    font-weight: 600;
    color: #304765;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform .15s ease;
}
.tab-btn.active {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 3px 10px rgba(0,51,102,0.16);
    border: 1px solid #e5e7eb;
}
.tab-btn:hover {
    background: #e8f0ff;
    color: #003366;
    transform: translateY(-1px);
}
.tab-content { display: none; }
.tab-content.active { display: block; }

.practice-info,
.login-info,
.practice-rules,
.technical-info {
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 14px;
}

.rules-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.rule-item, .info-item { display: flex; gap: 10px; }

.form-step { display: none; }
.form-step.active { display: block; }

/* Small helpers */
.text-center { text-align: center; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }

@media (max-width: 768px) {
    .container { width: 94%; }
    .form-actions { flex-direction: column; }
    .btn { width: 100%; }
}

/* ===== Extended project coverage ===== */

/* disabled/link states used by portal controls */
.disabled,
.btn.disabled,
a.disabled {
    opacity: .55;
    pointer-events: none;
    cursor: not-allowed;
}

.footer-section a,
.support-info a,
.notice-content a,
.portal-card a:not(.btn) {
    font-weight: 600;
}

.footer-section a {
    text-decoration: underline;
    text-decoration-color: rgba(203, 213, 225, .4);
}

.footer-section a:hover {
    text-decoration-color: rgba(255, 255, 255, .85);
}

/* admin/practice login helpers */
.tab-container { width: 100%; }

.practice-info,
.info-content,
.login-info,
.technical-info,
.practice-rules {
    line-height: 1.5;
}

.practice-info {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.practice-info > i {
    color: var(--primary);
    margin-top: 2px;
}

.info-content {
    display: grid;
    gap: 10px;
}

.info-item h5,
.rule-item h5 { margin: 0 0 4px; }

.info-item p,
.rule-item p {
    margin: 0;
    color: #4b5563;
}

.rules-grid .rule-item,
.info-content .info-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px;
}

.rules-grid .rule-item > i,
.info-content .info-item > i {
    color: var(--primary);
    margin-top: 2px;
}

.technical-info ul {
    margin: 8px 0 0;
    padding-left: 18px;
}

.technical-info li {
    margin: 6px 0;
    color: #4b5563;
}

.technical-info li i {
    color: #16a34a;
    margin-right: 6px;
}

/* admin login form wizard */
.form-step {
    padding: 2px 0;
}

#adminLoginForm .form-step:not(.active) {
    display: none;
}

/* exam register utility classes (shared names) */
.subjects-container,
.subjects-grid {
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
}

.subject-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 8px;
}

.subject-item label {
    cursor: pointer;
}

.subject-item input[type='checkbox'] {
    accent-color: var(--primary);
}

/* global modal-friendly helpers used in dynamic UIs */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-card {
    width: min(640px, 94%);
    background: #fff;
    border-radius: 14px;
    border: 1px solid var(--border);
    box-shadow: 0 18px 45px rgba(0,0,0,.2);
    padding: 16px;
}

/* ===== Premium landing page (scoped) ===== */
body[data-page='landing'] {
    --landing-bg-start: #eefaf5;
    --landing-bg-end: #e6f2ff;
    --landing-surface: rgba(255, 255, 255, 0.88);
    --landing-card: #ffffff;
    --landing-stroke: #cde7db;
    --landing-title: #0f3d6b;
    --landing-text: #2d4a59;
    --landing-muted: #426476;
    --landing-shadow: 0 20px 45px rgba(14, 87, 124, 0.12);
    --landing-shadow-soft: 0 10px 24px rgba(14, 87, 124, 0.08);
    --landing-accent: #0d6fb8;
    --landing-accent-soft: #e8f7ef;
    background:
        radial-gradient(circle at 8% 12%, rgba(13, 111, 184, 0.16), transparent 34%),
        radial-gradient(circle at 92% 0%, rgba(22, 163, 74, 0.14), transparent 28%),
        linear-gradient(145deg, var(--landing-bg-start) 0%, var(--landing-bg-end) 100%);
    color: var(--landing-text);
    animation: none;
}

body[data-page='landing'] .container {
    width: min(1240px, 96%);
    margin: 24px auto 32px;
}

body[data-page='landing'] .main-header {
    background: var(--landing-surface);
    border: 1px solid rgba(194, 211, 236, 0.95);
    border-radius: 24px;
    padding: 18px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    box-shadow: var(--landing-shadow-soft);
    backdrop-filter: blur(12px);
}

body[data-page='landing'] .logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

body[data-page='landing'] .logo-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(145deg, #0d6fb8, #15803d);
    color: #fff;
    display: grid;
    place-items: center;
    box-shadow: 0 10px 24px rgba(8, 45, 95, 0.24);
    overflow: hidden;
}

body[data-page='landing'] #siteLogoImg {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
    max-height: none !important;
    border-radius: 50% !important;
}

body[data-page='landing'] .logo-text h1,
body[data-page='landing'] .logo-text h2 {
    margin: 0;
    color: var(--landing-title);
    letter-spacing: 0.2px;
}

body[data-page='landing'] .logo-text p {
    margin: 2px 0 0;
    color: var(--landing-muted);
}

body[data-page='landing'] .logo-welcome-animated {
    margin-left: 4px;
    font-size: clamp(1.22rem, 2.6vw, 1.62rem);
    font-weight: 800;
    white-space: nowrap;
    letter-spacing: .2px;
    color: #0d6fb8;
    background: linear-gradient(90deg, #0d6fb8, #22a08a, #16a34a, #0d6fb8);
    background-size: 280% 100%;
    filter: drop-shadow(0 1px 0 rgba(255, 255, 255, 0.35));
    animation: landingWelcomeMove 4.4s ease-in-out infinite, landingWelcomeColors 6.5s linear infinite;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
    body[data-page='landing'] .logo-welcome-animated {
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        color: transparent;
    }
}

@keyframes landingWelcomeMove {
    0% { transform: translate3d(0, 0, 0) rotate(0deg); }
    25% { transform: translate3d(9px, -2px, 0) rotate(-0.5deg); }
    50% { transform: translate3d(0, 2px, 0) rotate(0deg); }
    75% { transform: translate3d(-9px, -1px, 0) rotate(0.5deg); }
    100% { transform: translate3d(0, 0, 0) rotate(0deg); }
}

@keyframes landingWelcomeColors {
    0% { background-position: 0% 50%; }
    100% { background-position: 280% 50%; }
}

body[data-page='landing'] .main-header > div:last-child {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-end !important;
    gap: 6px !important;
}

body[data-page='landing'] .main-header > div:last-child > div {
    font-size: 13px !important;
    color: var(--landing-muted) !important;
}

body[data-page='landing'] .theme-toggle-btn {
    width: 40px;
    height: 40px;
    min-width: 40px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.9rem;
    background: #ffffff;
    border: 1px solid #bfe3d3;
    color: var(--landing-accent);
    box-shadow: 0 5px 14px rgba(15, 63, 128, 0.14);
}

body[data-page='landing'] .theme-toggle-btn:hover {
    background: #effcf4;
}

body[data-page='landing'] .hero {
    margin-top: 18px;
    border-radius: 26px;
    padding: 38px 30px;
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(130deg, rgba(10, 61, 107, 0.96), rgba(13, 111, 184, 0.92) 52%, rgba(22, 163, 74, 0.88)),
        radial-gradient(circle at right top, rgba(255, 255, 255, 0.22), transparent 42%);
    color: #fff;
    box-shadow: 0 24px 52px rgba(10, 40, 84, 0.30);
}

body[data-page='landing'] .hero::after {
    content: '';
    position: absolute;
    inset: auto -80px -120px auto;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(110, 231, 183, 0.26), transparent 65%);
    pointer-events: none;
}

body[data-page='landing'] .hero h2 {
    margin: 0;
    font-size: clamp(1.62rem, 2.9vw, 2.35rem);
    letter-spacing: .2px;
}

body[data-page='landing'] .hero .subtitle {
    margin: 10px 0 7px;
    color: #dbe9ff;
    font-weight: 600;
    font-size: 1.05rem;
}

body[data-page='landing'] .hero p {
    margin: 0;
    color: rgba(255,255,255,.95);
}

body[data-page='landing'] .portal-cards {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 18px;
}

body[data-page='landing'] .portal-card {
    background: linear-gradient(180deg, #ffffff, #fbfdff);
    border: 1px solid var(--landing-stroke);
    border-radius: 20px;
    padding: 22px;
    box-shadow: var(--landing-shadow-soft);
    display: flex;
    flex-direction: column;
    transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}

body[data-page='landing'] .portal-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 34px rgba(12, 86, 114, 0.14);
    border-color: #9ed9be;
}

body[data-page='landing'] .card-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: var(--landing-accent-soft);
    color: var(--landing-accent);
    margin-bottom: 10px;
}

body[data-page='landing'] .portal-card h3,
body[data-page='landing'] .portal-card p,
body[data-page='landing'] .feature-item h4,
body[data-page='landing'] .feature-item p,
body[data-page='landing'] .instruction-item h4,
body[data-page='landing'] .instruction-item p,
body[data-page='landing'] .stat-content h3,
body[data-page='landing'] .stat-content p {
    margin: 0;
}

body[data-page='landing'] .portal-card h3,
body[data-page='landing'] .feature-item h4,
body[data-page='landing'] .instruction-item h4,
body[data-page='landing'] .stat-content h3 {
    margin-bottom: 7px;
    color: var(--landing-title);
}

body[data-page='landing'] .portal-card p,
body[data-page='landing'] .feature-item p,
body[data-page='landing'] .instruction-item p,
body[data-page='landing'] .stat-content p,
body[data-page='landing'] .notice-content,
body[data-page='landing'] .notice-content li,
body[data-page='landing'] .notice-content p {
    color: var(--landing-text);
    line-height: 1.55;
}

body[data-page='landing'] .portal-card .btn {
    width: 100%;
    border-radius: 12px;
}

body[data-page='landing'] .portal-card a.btn + a.btn {
    margin-top: 9px !important;
}

body[data-page='landing'] .portal-status {
    margin-top: auto;
    padding-top: 13px;
    color: var(--landing-muted);
    font-size: .92rem;
    font-weight: 600;
}

body[data-page='landing'] .status-online { color: #22c55e; }
body[data-page='landing'] .status-offline { color: #ef4444 !important; }

body[data-page='landing'] .stats-section,
body[data-page='landing'] .registration-section,
body[data-page='landing'] .features,
body[data-page='landing'] .instructions-section,
body[data-page='landing'] .admin-notice,
body[data-page='landing'] .contact-section {
    background: var(--landing-card);
    border: 1px solid var(--landing-stroke);
    border-radius: 20px;
    padding: 22px;
    margin-top: 20px;
    box-shadow: var(--landing-shadow-soft);
}

body[data-page='landing'] .section-title {
    margin: 0 0 16px;
    font-size: 1.28rem;
    color: var(--landing-title);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

body[data-page='landing'] .section-title::after {
    content: '';
    width: 44px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, #0d6fb8, #16a34a);
}

body[data-page='landing'] .stats-grid,
body[data-page='landing'] .features-grid,
body[data-page='landing'] .instructions-grid,
body[data-page='landing'] .contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 15px;
}

body[data-page='landing'] .stat-box,
body[data-page='landing'] .feature-item,
body[data-page='landing'] .instruction-item,
body[data-page='landing'] .contact-item {
    background: linear-gradient(180deg, #ffffff, #f4fcf8);
    border: 1px solid #d0e8dc;
    border-radius: 15px;
    padding: 16px;
}

body[data-page='landing'] .stat-box {
    display: flex;
    align-items: center;
    gap: 12px;
}

body[data-page='landing'] .stat-box > i,
body[data-page='landing'] .feature-icon,
body[data-page='landing'] .instruction-icon {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    background: var(--landing-accent-soft);
    color: var(--landing-accent);
    margin-bottom: 8px;
}

body[data-page='landing'] .stat-box > i {
    margin-bottom: 0;
}

body[data-page='landing'] .stat-content h3 {
    font-size: 1.52rem;
    color: #0d6fb8;
}

body[data-page='landing'] .registration-section {
    background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 252, 246, 0.98)),
    radial-gradient(circle at right top, rgba(34, 197, 94, 0.12), transparent 45%);
}

body[data-page='landing'] .registration-section p {
    margin: 0 0 14px;
    color: var(--landing-text);
}

body[data-page='landing'] .registration-closed-notice {
    margin-top: 12px;
    border-radius: 12px;
    border: 1px solid #f7c6cb;
    background: #fff2f4;
    color: #842029;
    padding: 12px;
}

body[data-page='landing'] .admin-notice .notice-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--landing-title);
}

body[data-page='landing'] .admin-notice .notice-header h3 {
    margin: 0;
}

body[data-page='landing'] .admin-notice .notice-content ol {
    margin: 8px 0 10px;
    padding-left: 20px;
}

body[data-page='landing'] .admin-notice .notice-content li {
    margin: 7px 0;
}

body[data-page='landing'] .support-info {
    margin-top: 12px;
    padding: 12px;
    border-radius: 12px;
    background: #edf9f2;
    border: 1px solid #c9e9d5;
}

body[data-page='landing'] .support-info p {
    margin: 6px 0;
    color: #0f6b5a;
}

body[data-page='landing'] .main-footer {
    margin-top: 22px;
    background: linear-gradient(160deg, #0c3f68, #0f5f97 62%, #0f7a45);
    color: #e5e7eb;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--landing-shadow);
}

body[data-page='landing'] .footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    padding: 18px;
}

body[data-page='landing'] .footer-section h4 {
    margin: 0 0 10px;
    color: #fff;
}

body[data-page='landing'] .footer-section p {
    margin: 0;
    color: #cdd8ea;
    line-height: 1.55;
}

body[data-page='landing'] .footer-section ul {
    margin: 0;
    padding-left: 18px;
}

body[data-page='landing'] .footer-section li { margin: 6px 0; }
body[data-page='landing'] .footer-section a { color: #cdd8ea; }
body[data-page='landing'] .footer-section a:hover { color: #fff; }

body[data-page='landing'] .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.14);
    padding: 12px 18px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    font-size: .92rem;
    color: #cdd8ea;
}

/* dark mode overrides for landing page */
body[data-page='landing'][data-theme='dark'] {
    --landing-bg-start: #08141f;
    --landing-bg-end: #0d2631;
    --landing-surface: rgba(10, 26, 37, 0.86);
    --landing-card: linear-gradient(180deg, #0b1f2b, #102a35);
    --landing-stroke: #1e4657;
    --landing-title: #e6f4ff;
    --landing-text: #b9d8df;
    --landing-muted: #9bc6cf;
    --landing-shadow: 0 20px 45px rgba(2, 6, 23, 0.45);
    --landing-shadow-soft: 0 10px 24px rgba(2, 6, 23, 0.35);
    --landing-accent: #6dc8ff;
    --landing-accent-soft: #11343f;
    background:
        radial-gradient(circle at 8% 12%, rgba(59, 130, 246, 0.22), transparent 34%),
        radial-gradient(circle at 92% 0%, rgba(34, 197, 94, 0.14), transparent 28%),
        linear-gradient(145deg, var(--landing-bg-start) 0%, var(--landing-bg-end) 100%);
}

body[data-page='landing'][data-theme='dark'] .logo-welcome-animated {
    color: #dbeafe !important;
    background: none !important;
    -webkit-background-clip: border-box !important;
    background-clip: border-box !important;
    -webkit-text-fill-color: #dbeafe !important;
    text-shadow: 0 1px 6px rgba(147, 197, 253, 0.45);
    filter: none;
    animation: landingWelcomeMove 4.4s ease-in-out infinite;
}

body[data-page='landing'][data-theme='dark'] .theme-toggle-btn {
    background: #101a2e;
    border-color: #324663;
    color: #dbeafe;
    box-shadow: 0 5px 14px rgba(2, 6, 23, 0.35);
}

body[data-page='landing'][data-theme='dark'] .theme-toggle-btn:hover {
    background: #17253f;
}

body[data-page='landing'][data-theme='dark'] .stat-box,
body[data-page='landing'][data-theme='dark'] .feature-item,
body[data-page='landing'][data-theme='dark'] .instruction-item,
body[data-page='landing'][data-theme='dark'] .contact-item {
    background: linear-gradient(180deg, #111f39, #10203b);
    border-color: #2a3b59;
}

body[data-page='landing'][data-theme='dark'] .registration-section {
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.96), rgba(14, 28, 52, 0.96)),
        radial-gradient(circle at right top, rgba(56, 189, 248, 0.12), transparent 45%);
}

body[data-page='landing'][data-theme='dark'] .support-info {
    background: #10333f;
    border-color: #1f586b;
}

body[data-page='landing'][data-theme='dark'] .support-info p {
    color: #bfeef0;
}

@media (max-width: 1024px) {
    body[data-page='landing'] .main-header {
        align-items: flex-start;
    }

    body[data-page='landing'] .logo {
        flex-wrap: wrap;
    }

    body[data-page='landing'] .logo-welcome-animated {
        width: 100%;
        margin-left: 0;
        margin-top: 4px;
    }
}

@media (max-width: 768px) {
    body[data-page='landing'] .container {
        width: 94%;
    }

    body[data-page='landing'] .main-header {
        flex-direction: column;
        gap: 12px;
    }

    body[data-page='landing'] .main-header > div:last-child {
        align-items: flex-start !important;
    }

    body[data-page='landing'] .hero {
        padding: 25px 18px;
        border-radius: 20px;
    }

    body[data-page='landing'] .portal-card,
    body[data-page='landing'] .stats-section,
    body[data-page='landing'] .registration-section,
    body[data-page='landing'] .features,
    body[data-page='landing'] .instructions-section,
    body[data-page='landing'] .admin-notice,
    body[data-page='landing'] .contact-section,
    body[data-page='landing'] .main-footer {
        border-radius: 16px;
    }
}