:root {
    --bg: #f9fafb;
    --surface: rgba(255, 255, 255, 0.85);
    --surface-solid: #ffffff;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --border: #e5e7eb;
    --border-light: rgba(229, 231, 235, 0.5);
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-text: #6366f1;
    --accent-light: #e0e7ff;
    --success: #059669;
    --success-bg: #d1fae5;
    --info: #2563eb;
    --info-bg: #dbeafe;
    --warning: #d97706;
    --warning-bg: #fef3c7;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --rank-gold: #b45309;
    --rank-gold-bg: #fef3c7;
    --rank-silver: #4b5563;
    --rank-silver-bg: #f3f4f6;
    --rank-bronze: #c2410c;
    --rank-bronze-bg: #ffedd5;
    --control-muted-bg: #f3f4f6;
    --font: 'Inter', sans-serif;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.05), 0 8px 10px -6px rgb(0 0 0 / 0.05);
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-full: 9999px;
}

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

body {
    font-family: var(--font);
    background-color: var(--bg);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 40px 20px;
    background-image:
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.05) 0, transparent 50%),
        radial-gradient(at 100% 100%, rgba(99, 102, 241, 0.05) 0, transparent 50%);
    scrollbar-color: var(--border) var(--bg);
}

*::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

*::-webkit-scrollbar-track {
    background: var(--bg);
}

*::-webkit-scrollbar-thumb {
    background: var(--border);
    border: 2px solid var(--bg);
    border-radius: var(--radius-full);
}

*::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.container {
    width: 100%;
    max-width: 440px;
    position: relative;
    min-height: 500px;
}

.container:has(.wide-view.active),
.container.wide-container {
    max-width: 960px;
}

.view {
    display: none;
    animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.logo-icon {
    width: 64px;
    height: 64px;
    background: var(--surface-solid);
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--accent);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    margin-bottom: 24px;
}

h1 {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
    background: linear-gradient(90deg, #111827, #4b5563);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    max-width: 300px;
    margin: 0 auto;
}

.search-box {
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.batch-select-wrapper {
    margin-bottom: 16px;
}

.batch-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.select-wrapper {
    position: relative;
}

.select-wrapper i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    font-size: 20px;
    pointer-events: none;
    z-index: 1;
}

.select-wrapper select {
    width: 100%;
    padding: 16px 16px 16px 52px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 500;
    font-family: var(--font);
    transition: all 0.2s;
    background: var(--surface-solid);
    outline: none;
    color: var(--text-primary);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.select-wrapper select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-light);
}

.input-wrapper {
    position: relative;
    margin-bottom: 16px;
}

.input-wrapper i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    font-size: 20px;
}

input {
    width: 100%;
    padding: 16px 16px 16px 52px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 500;
    font-family: var(--font);
    transition: all 0.2s;
    background: var(--surface-solid);
    outline: none;
    color: var(--text-primary);
}

input::placeholder {
    color: #9ca3af;
    font-weight: 400;
}

input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-light);
}

.primary-btn {
    width: 100%;
    padding: 16px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
}

.primary-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.primary-btn:active {
    transform: translateY(0);
}

.secondary-btn {
    width: 100%;
    margin-top: 12px;
    padding: 14px 16px;
    background: var(--surface-solid);
    color: var(--accent);
    border: 1px solid var(--accent-light);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.secondary-btn:hover {
    background: var(--accent-light);
    border-color: var(--accent);
}

.result-leaderboard-btn {
    margin-top: 20px;
}

.error-msg {
    margin-top: 16px;
    color: var(--danger);
    text-align: center;
    font-size: 14px;
    font-weight: 500;
}

.error-msg.hidden {
    display: none;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    transition: color 0.2s;
}

.icon-btn:hover {
    color: var(--text-primary);
}

.student-card {
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.card-header {
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
}

.profile-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.avatar {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--accent-light), #f3e8ff);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 1px;
}

h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

.status-badge.excellent {
    background: var(--success-bg);
    color: var(--success);
}

.status-badge.good {
    background: var(--info-bg);
    color: var(--info);
}

.status-badge.average {
    background: var(--warning-bg);
    color: var(--warning);
}

.rank-info {
    text-align: right;
}

.rank-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
}

.rank-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid var(--border-light);
}

.stat-box {
    padding: 24px;
    text-align: center;
}

.stat-box:first-child {
    border-right: 1px solid var(--border-light);
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.text-accent {
    color: var(--accent-text);
}

.progress-section {
    padding: 24px;
    border-bottom: 1px solid var(--border-light);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background: var(--control-muted-bg);
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #8b5cf6);
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.table-section {
    padding: 24px;
}

h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

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

th {
    text-align: left;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
}

td {
    padding: 16px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

tr:last-child td {
    border-bottom: none;
    padding-bottom: 0;
}

td:last-child,
th:last-child {
    text-align: right;
}

/* Disclaimer */
.disclaimer {
    margin-top: 28px;
    padding: 20px 24px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: var(--radius-md);
    text-align: center;
}

.disclaimer-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

.disclaimer p {
    color: #92400e;
    font-size: 13px;
    line-height: 1.6;
    max-width: 100%;
    margin: 0 0 6px 0;
}

.disclaimer p strong {
    font-size: 14px;
    color: #78350f;
}

.disclaimer-note {
    margin-top: 4px;
    font-style: italic;
    opacity: 0.8;
}

/* Footer */
.site-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-top: 36px;
    padding: 18px 24px;
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    text-align: left;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-footer:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(99, 102, 241, 0.25);
    background: rgba(255, 255, 255, 0.95);
}

.site-footer .footer-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.site-footer .developed-by {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
}

.site-footer strong {
    color: var(--accent-text);
    font-weight: 700;
}

.site-footer .copyright {
    font-size: 11px;
    color: #9ca3af;
    margin: 0;
    font-weight: 400;
}

.site-footer .footer-socials {
    display: flex;
    gap: 12px;
    align-items: center;
}

.footer-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border);
}

.footer-btn i {
    font-size: 16px;
}

.footer-btn.linkedin {
    background: rgba(10, 102, 194, 0.04);
    color: #0a66c2;
    border-color: rgba(10, 102, 194, 0.12);
}

.footer-btn.linkedin:hover {
    background: #0a66c2;
    color: #fff;
    border-color: #0a66c2;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(10, 102, 194, 0.2);
}

.footer-btn.github {
    background: rgba(17, 24, 39, 0.04);
    color: var(--text-primary);
    border-color: rgba(17, 24, 39, 0.12);
}

.footer-btn.github:hover {
    background: #111827;
    color: #fff;
    border-color: #111827;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(17, 24, 39, 0.2);
}

@media (max-width: 600px) {
    .site-footer {
        flex-direction: column;
        text-align: center;
        padding: 20px 16px;
        gap: 16px;
    }

    .site-footer .footer-info {
        align-items: center;
    }

    .site-footer .footer-socials {
        width: 100%;
        justify-content: center;
    }

    .footer-btn {
        flex: 1;
        justify-content: center;
        max-width: 160px;
    }
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    position: fixed;
    left: 16px;
    top: 16px;
    width: auto;
    height: auto;
    padding: 12px 16px;
    background: var(--accent);
    color: #fff;
    z-index: 9999;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
}

.site-header {
    margin-bottom: 16px;
}

.breadcrumb-nav {
    font-size: 12px;
    color: var(--text-secondary);
}

.breadcrumb-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 0;
    margin: 0;
}

.breadcrumb-list li:not(:last-child)::after {
    content: "›";
    margin-left: 6px;
    color: #9ca3af;
}

.breadcrumb-list a {
    color: var(--accent-text);
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb-list a:hover {
    text-decoration: underline;
}

.noscript-notice {
    max-width: 640px;
    margin: 0 auto 16px;
    padding: 12px 16px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: var(--radius-md);
    font-size: 14px;
    color: #92400e;
    text-align: center;
}

.hero-lead {
    max-width: 360px;
}

.seo-content {
    margin-top: 28px;
    padding: 20px 22px;
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-align: left;
}

.seo-content h2 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
    background: none;
    -webkit-text-fill-color: var(--text-primary);
}

.seo-content h3 {
    font-size: 14px;
    margin: 16px 0 8px;
}

.seo-content h4 {
    font-size: 13px;
    margin: 12px 0 6px;
    font-weight: 600;
}

.seo-content p,
.seo-content li {
    font-size: 13px;
    line-height: 1.65;
    color: var(--text-secondary);
    max-width: none;
    margin: 0 0 10px 0;
    text-align: left;
}

.seo-batch-list,
.seo-feature-list {
    padding-left: 18px;
    margin-bottom: 12px;
}

.seo-faq {
    margin-top: 12px;
    border-top: 1px solid var(--border-light);
    padding-top: 12px;
}

.seo-faq summary {
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.seo-faq-body {
    padding-top: 10px;
}

/* Batch Rankings */
.ranking-header {
    text-align: center;
    margin-bottom: 24px;
}

.ranking-title {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(90deg, #111827, #4b5563);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ranking-title i {
    -webkit-text-fill-color: var(--accent);
    font-size: 28px;
}

.ranking-subtitle {
    max-width: 420px;
    margin: 0 auto;
}

.ranking-controls {
    background: var(--surface);
    backdrop-filter: blur(20px);
    padding: 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    margin-bottom: 20px;
}

.ranking-controls .batch-select-wrapper {
    margin-bottom: 12px;
}

.matrix-search {
    margin-bottom: 0;
}

.analytics-panel {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

@media (min-width: 640px) {
    .analytics-panel {
        grid-template-columns: repeat(4, 1fr);
    }
}

.analytics-card {
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.analytics-card .analytics-value {
    display: block;
    font-size: 22px;
    font-weight: 800;
    color: var(--accent-text);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.analytics-card .analytics-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.matrix-card {
    background: var(--surface);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.matrix-card-header {
    padding: 20px 20px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.matrix-card-header h3 {
    margin-bottom: 0;
}

.matrix-count {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.matrix-scroll {
    overflow-x: auto;
    max-height: 70vh;
    overflow-y: auto;
}

.matrix-table {
    width: 100%;
    min-width: 520px;
    border-collapse: collapse;
    font-size: 14px;
}

.matrix-table thead {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--surface-solid);
}

.matrix-table th {
    padding: 12px 14px;
    white-space: nowrap;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.matrix-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-light);
    white-space: nowrap;
}

.matrix-table tbody tr {
    transition: background 0.2s;
}

.matrix-table tbody tr:hover {
    background: rgba(99, 102, 241, 0.04);
}

.matrix-table .col-rank {
    width: 72px;
    font-weight: 700;
}

.matrix-table .col-id {
    font-weight: 600;
    color: var(--text-primary);
}

.matrix-table .col-cgpa {
    font-weight: 700;
    color: var(--accent-text);
}

.rank-row.top-1 {
    background: linear-gradient(90deg, color-mix(in srgb, var(--rank-gold-bg) 75%, transparent), transparent);
}

.rank-row.top-2 {
    background: linear-gradient(90deg, color-mix(in srgb, var(--rank-silver-bg) 75%, transparent), transparent);
}

.rank-row.top-3 {
    background: linear-gradient(90deg, color-mix(in srgb, var(--rank-bronze-bg) 75%, transparent), transparent);
}

.rank-row.top-10:not(.top-1):not(.top-2):not(.top-3) {
    background: var(--accent-light);
}

.rank-row.highlighted {
    background: rgba(99, 102, 241, 0.12) !important;
    box-shadow: inset 3px 0 0 var(--accent);
}

.rank-row.filtered-out {
    display: none;
}

.rank-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.rank-badge.gold {
    background: var(--rank-gold-bg);
    color: var(--rank-gold);
}

.rank-badge.silver {
    background: var(--rank-silver-bg);
    color: var(--rank-silver);
}

.rank-badge.bronze {
    background: var(--rank-bronze-bg);
    color: var(--rank-bronze);
}

.rank-badge.top10 {
    background: var(--accent-light);
    color: var(--accent-text);
}

.rank-badge.you {
    background: var(--accent);
    color: white;
    margin-left: 6px;
}

/* Ranking Controls Row */
.ranking-controls-row {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.ranking-controls-row .batch-select-wrapper {
    flex: 1;
    margin-bottom: 0;
}

/* Active sort column highlight */
.matrix-table th.sort-active {
    color: var(--accent);
    position: relative;
}

.matrix-table th.sort-active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 14px;
    right: 14px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.matrix-table td.sort-active-cell {
    color: var(--accent-text);
    font-weight: 700;
}

/* Rank-by indicator in matrixCount */
.rank-mode-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--accent-light);
    color: var(--accent-text);
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    margin-left: 6px;
}

@media (max-width: 500px) {
    .ranking-controls-row {
        flex-direction: column;
        gap: 0;
    }

    .ranking-controls-row .batch-select-wrapper {
        margin-bottom: 12px;
    }
}

/* Share Achievement Feature Styles */
.share-btn {
    margin-top: 20px;
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.share-btn i {
    font-size: 18px;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--surface-solid);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.modal-close-btn {
    border: none;
    background: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    padding: 4px;
    border-radius: var(--radius-full);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}
.modal-close-btn:hover {
    background: var(--border);
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.share-preview-container {
    background: var(--control-muted-bg);
    border-radius: var(--radius-md);
    padding: 12px;
    position: relative;
    min-height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px dashed var(--border);
}

.hidden-canvas {
    position: absolute;
    left: -9999px;
    visibility: hidden;
}

.preview-img-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-img-wrapper img {
    max-width: 100%;
    max-height: 320px;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.preview-img-wrapper img.loaded {
    opacity: 1;
}

.preview-loading {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.preview-loading i {
    font-size: 24px;
    color: var(--accent);
}

.share-controls {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.control-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.toggle-tabs {
    display: flex;
    background: var(--control-muted-bg);
    border-radius: var(--radius-md);
    padding: 4px;
    gap: 4px;
}

.toggle-tabs .tab-btn {
    flex: 1;
    border: none;
    background: none;
    padding: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    font-family: var(--font);
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.toggle-tabs .tab-btn.active {
    background: var(--surface-solid);
    color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.theme-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.theme-btn {
    border: 1px solid var(--border);
    background: var(--surface-solid);
    border-radius: var(--radius-md);
    padding: 8px 4px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    outline: none;
}

.theme-btn:hover {
    border-color: var(--text-secondary);
    background: var(--bg);
}

.dept-status-pill.coming {
    background: var(--warning-bg);
    color: var(--warning);
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 12px;
}

.theme-btn.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-light);
}

.theme-preview {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(0,0,0,0.1);
}

.theme-name {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
}

.theme-btn.active .theme-name {
    color: var(--accent);
}

.theme-indigo {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}
.theme-gold {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}
.theme-cyber {
    background: linear-gradient(135deg, #ec4899, #06b6d4);
}
.theme-aurora {
    background: linear-gradient(135deg, #f472b6, #3b82f6, #8b5cf6);
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.modal-footer .primary-btn {
    padding: 14px;
}

.modal-footer-row {
    display: flex;
    gap: 10px;
}

.modal-footer-row .secondary-btn {
    flex: 1;
    margin-top: 0;
    padding: 12px;
    font-size: 14px;
}

.modal-overlay.hidden {
    display: none;
}

/* Toast System Styles */
.toast-container {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 2000;
    pointer-events: none;
    width: calc(100% - 32px);
    max-width: 320px;
}

.toast {
    background: #111827;
    color: #ffffff;
    padding: 12px 18px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    animation: toastFadeInUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    border: 1px solid rgba(255,255,255,0.08);
}

.toast i {
    font-size: 16px;
}

.toast.toast-success i {
    color: #34d399;
}

.toast.toast-error i {
    color: #f87171;
}

.toast.toast-fadeout {
    animation: toastFadeOut 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toastFadeInUp {
    from { opacity: 0; transform: translateY(12px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastFadeOut {
    from { opacity: 1; transform: scale(1); }
    to { opacity: 0; transform: scale(0.95); }
}

@media (max-width: 480px) {
    .modal-content {
        max-height: 95vh;
        border-radius: var(--radius-md);
    }
    .modal-body {
        padding: 16px;
    }
    .share-preview-container {
        min-height: 200px;
    }
    .preview-img-wrapper img {
        max-height: 240px;
    }
}

/* =========================================================================
   MUET Results Portal — Responsive Layout & Design System
   ========================================================================= */

/* Dark Mode Variables */
body.dark-mode {
    --bg: #0b0f19;
    --surface: rgba(17, 24, 39, 0.85);
    --surface-solid: #111827;
    --text-primary: #f9fafb;
    --text-secondary: #cbd5e1;
    --border: #374151;
    --border-light: rgba(75, 85, 99, 0.72);
    --accent-text: #a5b4fc;
    --accent-light: rgba(129, 140, 248, 0.22);
    --success: #34d399;
    --success-bg: rgba(16, 185, 129, 0.16);
    --info: #93c5fd;
    --info-bg: rgba(59, 130, 246, 0.18);
    --warning: #fbbf24;
    --warning-bg: rgba(245, 158, 11, 0.18);
    --danger: #f87171;
    --danger-bg: rgba(239, 68, 68, 0.16);
    --rank-gold: #fbbf24;
    --rank-gold-bg: rgba(245, 158, 11, 0.18);
    --rank-silver: #cbd5e1;
    --rank-silver-bg: rgba(148, 163, 184, 0.16);
    --rank-bronze: #fb923c;
    --rank-bronze-bg: rgba(249, 115, 22, 0.16);
    --control-muted-bg: #1f2937;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.35);
    --shadow-md: 0 10px 18px -12px rgb(0 0 0 / 0.55);
    --shadow-lg: 0 24px 40px -24px rgb(0 0 0 / 0.65);
}

body.dark-mode h1 {
    background: linear-gradient(90deg, #f9fafb, #9ca3af);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.dark-mode select,
body.dark-mode input,
body.dark-mode .logo-icon,
body.dark-mode .analytics-card,
body.dark-mode .matrix-card,
body.dark-mode .student-card {
    background-color: #1f2937;
    border-color: var(--border);
    color: #f9fafb;
}

body.dark-mode .features-card,
body.dark-mode .support-box {
    background: #111827;
    border-color: #1f2937;
}

body.dark-mode .disclaimer {
    background: var(--warning-bg);
    border-color: rgba(251, 191, 36, 0.38);
    color: var(--warning);
}

body.dark-mode .disclaimer p,
body.dark-mode .disclaimer p strong {
    color: var(--warning);
}

body.dark-mode .site-footer:hover {
    background: rgba(17, 24, 39, 0.95) !important;
    border-color: rgba(99, 102, 241, 0.4) !important;
}

body.dark-mode .footer-btn.linkedin {
    background: rgba(10, 102, 194, 0.1) !important;
    border-color: rgba(10, 102, 194, 0.3) !important;
    color: #3b82f6 !important;
}

body.dark-mode .footer-btn.linkedin:hover {
    background: #0a66c2 !important;
    color: #ffffff !important;
    border-color: #0a66c2 !important;
}

body.dark-mode .footer-btn.github {
    background: rgba(255, 255, 255, 0.04) !important;
    border-color: rgba(255, 255, 255, 0.15) !important;
    color: #f9fafb !important;
}

body.dark-mode .footer-btn.github:hover {
    background: #f9fafb !important;
    color: #111827 !important;
    border-color: #f9fafb !important;
}

body.dark-mode .rank-card {
    border-color: rgba(99, 102, 241, 0.3) !important;
}

body.dark-mode .matrix-table tbody tr:hover {
    background: rgba(129, 140, 248, 0.12);
}

body.dark-mode .rank-row.highlighted {
    background: rgba(129, 140, 248, 0.18) !important;
}

body.dark-mode .select-wrapper i,
body.dark-mode .input-wrapper i,
body.dark-mode .mobile-dept-btn i.ri-arrow-down-s-line {
    color: var(--text-secondary);
}

body.dark-mode input::placeholder {
    color: #94a3b8;
}

body.dark-mode .theme-preview {
    border-color: rgba(255, 255, 255, 0.22);
}

body.dark-mode .contribute-btn:hover {
    background: #eef2ff;
}

/* Page Layout Override */
body {
    display: block;
    padding: 0;
    margin: 0;
    overflow-x: hidden;
}

.container {
    max-width: 1120px !important;
    margin: 0 auto;
    padding: 32px 24px 80px;
    min-height: auto;
}

/* Header Styles */
.site-header {
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
}

.header-container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 18px;
}

.logo-circle {
    width: 32px;
    height: 32px;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.header-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

.theme-toggle-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    display: inline-flex;
    align-items: center;
    transition: color 0.2s;
}

.theme-toggle-btn:hover {
    color: var(--text-primary);
}

.hamburger-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-primary);
    cursor: pointer;
}

/* Mobile Nav Drawer */
.mobile-nav-menu {
    display: none;
    background: var(--surface-solid);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
}

.mobile-nav-menu.open {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
}

/* Department Switcher Selector Button inside the search box */
.dept-select-wrapper {
    margin-bottom: 16px;
    width: 100%;
}

.mobile-dept-btn {
    width: 100%;
    text-align: left;
    padding: 16px 40px 16px 52px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 500;
    font-family: var(--font);
    transition: all 0.2s;
    background: var(--surface-solid);
    outline: none;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.mobile-dept-btn:focus,
.mobile-dept-btn:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-light);
}

.mobile-dept-btn i.ri-arrow-down-s-line {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    font-size: 20px;
    pointer-events: none;
}

/* Hero supporting box */
.support-box {
    background: var(--surface-solid);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    max-width: 320px;
    margin: 20px auto 0;
    text-align: left;
    box-shadow: var(--shadow-sm);
}

.support-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.support-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.support-item:last-child {
    margin-bottom: 0;
}

.support-item i.check {
    color: var(--success);
}

.support-item i.warning {
    color: #f59e0b;
}

/* Main Grid Layout */
.main-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
    margin-top: 40px;
}

/* Features Card */
.features-card {
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon-circle {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.feature-icon-circle.rocket {
    background: var(--accent-light);
    color: var(--accent);
}

.feature-icon-circle.shield {
    background: var(--success-bg);
    color: var(--success);
}

.feature-icon-circle.chart {
    background: var(--info-bg);
    color: var(--info);
}

.feature-text-block h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.feature-text-block p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
    max-width: 100%;
}

/* Hide Departments grid completely since it is "too much" */
.departments-section {
    display: none !important;
}

/* Contribute Banner */
.contribute-banner {
    margin-top: 48px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    color: #ffffff;
    box-shadow: var(--shadow-lg);
}

.contribute-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contribute-icon {
    font-size: 40px;
    color: rgba(255,255,255,0.9);
}

.contribute-text h2 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 6px;
}

.contribute-text p {
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
    max-width: 100%;
}

.contribute-btn {
    background: #ffffff;
    color: var(--accent-hover);
    border: none;
    padding: 12px 24px;
    font-weight: 700;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.contribute-btn:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
}

/* Value Props / Trust Section */
.trust-section {
    margin-top: 56px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    border-top: 1px solid var(--border);
    padding-top: 40px;
}

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

.trust-item i {
    font-size: 24px;
    color: var(--accent);
    margin-bottom: 12px;
}

.trust-item h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.trust-item p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Rebuilt Modals styling */
.modal.hidden {
    display: none !important;
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--surface-solid);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 380px;
    width: calc(100% - 32px);
    text-align: center;
}

.modal-icon-container {
    width: 64px;
    height: 64px;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 20px;
}

.modal-content h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.modal-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

/* Custom Mobile Option Dropdown overlay */
.mobile-option-overlay {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.6);
    z-index: 999;
    display: none;
    justify-content: center;
    align-items: flex-end;
}

.mobile-option-overlay.open {
    display: flex;
}

.mobile-option-menu {
    background: var(--surface-solid);
    width: 100%;
    max-width: 480px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: 24px 20px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.mobile-option-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.mobile-option-header h3 {
    font-size: 16px;
    font-weight: 800;
}

.close-option-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-secondary);
}

.mobile-option-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-option-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: background 0.2s;
}

.mobile-option-item:hover {
    background: var(--accent-light);
}

.mobile-option-item.selected {
    border-color: var(--accent);
    background: var(--accent-light);
}

.mobile-option-item .option-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mobile-option-item i.check {
    color: var(--success);
}

/* Footer */
.site-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-top: 36px;
    padding: 18px 24px;
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    text-align: left;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-footer:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(99, 102, 241, 0.25);
    background: rgba(255, 255, 255, 0.95);
}

.site-footer .footer-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.site-footer .developed-by {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
}

.site-footer strong {
    color: var(--accent-text);
    font-weight: 700;
}

.site-footer .copyright {
    font-size: 11px;
    color: #9ca3af;
    margin: 0;
    font-weight: 400;
}

.site-footer .footer-socials {
    display: flex;
    gap: 12px;
    align-items: center;
}

.footer-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border);
}

.footer-btn i {
    font-size: 16px;
}

.footer-btn.linkedin {
    background: rgba(10, 102, 194, 0.04);
    color: #0a66c2;
    border-color: rgba(10, 102, 194, 0.12);
}

.footer-btn.linkedin:hover {
    background: #0a66c2;
    color: #fff;
    border-color: #0a66c2;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(10, 102, 194, 0.2);
}

.footer-btn.github {
    background: rgba(17, 24, 39, 0.04);
    color: var(--text-primary);
    border-color: rgba(17, 24, 39, 0.12);
}

.footer-btn.github:hover {
    background: #111827;
    color: #fff;
    border-color: #111827;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(17, 24, 39, 0.2);
}

/* Hide / Show elements responsively */
@media (min-width: 769px) {
    .mobile-option-overlay {
        align-items: center;
    }

    .mobile-option-menu {
        border-radius: var(--radius-lg);
        max-width: 400px;
        animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }
}

@media (max-width: 768px) {
    .site-header .header-nav {
        display: none;
    }

    .hamburger-btn {
        display: block;
    }

    .main-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .features-card {
        display: none !important;
    }

    .contribute-banner {
        flex-direction: column;
        text-align: center;
        padding: 24px;
    }

    .contribute-left {
        flex-direction: column;
        gap: 12px;
    }

    .contribute-btn {
        width: 100%;
    }

    .trust-section {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 600px) {
    .site-footer {
        flex-direction: column;
        text-align: center;
        padding: 20px 16px;
        gap: 16px;
    }

    .site-footer .footer-info {
        align-items: center;
    }

    .site-footer .footer-socials {
        width: 100%;
        justify-content: center;
    }

    .footer-btn {
        flex: 1;
        justify-content: center;
        max-width: 160px;
    }
}

@media (max-width: 480px) {
    .trust-section {
        grid-template-columns: 1fr;
    }
}

/* About & FAQ views styling */
.about-card,
.faq-card {
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    padding: 32px;
    margin-bottom: 24px;
    animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

body.dark-mode .about-card,
body.dark-mode .faq-card {
    background-color: #1f2937;
    border-color: var(--border);
    color: #f9fafb;
}

/* FAQ Accordion Styling */
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}

.faq-item {
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.25s ease;
}

.faq-item[open] {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.faq-summary {
    list-style: none;
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
    outline: none;
    user-select: none;
    transition: color 0.2s;
}

.faq-summary::-webkit-details-marker {
    display: none;
}

.faq-summary::after {
    content: "\ea78"; /* Remix Icon arrow down */
    font-family: 'remixicon' !important;
    font-size: 20px;
    color: var(--text-secondary);
    transition: transform 0.25s ease, color 0.25s ease;
}

.faq-item[open] .faq-summary::after {
    transform: rotate(180deg);
    color: var(--accent);
}

.faq-answer {
    padding: 0 20px 16px 20px;
    font-size: 14.5px;
    color: var(--text-secondary);
    line-height: 1.6;
    border-top: 1px solid transparent;
    transition: border-color 0.25s ease;
}

.faq-item[open] .faq-answer {
    border-top-color: var(--border-light);
}

body.dark-mode .faq-item {
    background: #111827;
    border-color: var(--border);
}

/* =========================================================================
   GPA Calculator Styles
   ========================================================================= */

.gpa-header-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 32px;
    align-items: start;
}

@media (min-width: 768px) {
    .gpa-header-grid {
        grid-template-columns: 1fr 340px;
    }
}

.gpa-title {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
    background: linear-gradient(90deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.dark-mode .gpa-title {
    background: linear-gradient(90deg, #f9fafb, #9ca3af);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gpa-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    max-width: 100%;
    margin: 0;
}

.gpa-info-card {
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.gpa-info-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-text);
    font-weight: 700;
    font-size: 15px;
}

.gpa-info-title i {
    font-size: 18px;
}

.gpa-info-text {
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
    max-width: 100%;
}

.gpa-info-btn {
    margin-top: 4px;
    width: auto !important;
    align-self: start;
    padding: 10px 16px !important;
    font-size: 13.5px !important;
}
/* Semester Card */
.gpa-semester-card {
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
}

/* Courses Card & Table */
.gpa-courses-card {
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
}

.gpa-courses-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.gpa-courses-header h3 {
    margin-bottom: 0;
    font-size: 16px;
    font-weight: 700;
}

.gpa-add-course-btn {
    width: auto !important;
    padding: 10px 18px !important;
    font-size: 13.5px !important;
    font-weight: 600 !important;
    border-radius: var(--radius-md) !important;
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
}

.gpa-table-wrapper {
    overflow-x: auto;
}

.gpa-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 520px;
    font-size: 14.5px;
}

.gpa-table th {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    padding: 12px 8px;
    border-bottom: 1px solid var(--border);
}

.gpa-table td {
    padding: 12px 8px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

.gpa-table tbody tr:last-child td {
    border-bottom: none;
}

.gpa-col-num {
    width: 48px;
    font-weight: 600;
}

.gpa-col-theory-credits {
    width: 130px;
}

.gpa-col-theory-grade {
    width: 140px;
}

.gpa-col-practical-credits {
    width: 135px;
}

.gpa-col-practical-grade {
    width: 140px;
}

.gpa-col-action {
    width: 60px;
    text-align: right;
}


.gpa-table select {
    width: 100%;
    padding: 10px 12px 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    background-color: var(--surface-solid);
    color: var(--text-primary);
    cursor: pointer;
    outline: none;
    transition: all 0.2s;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.gpa-table select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.gpa-delete-btn {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: 8px;
    font-size: 18px;
    border-radius: var(--radius-md);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.gpa-delete-btn:hover {
    background: var(--danger-bg);
    color: #ef4444;
}

/* GPA Results */
.gpa-results-section {
    margin-bottom: 32px;
}

.gpa-results-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.gpa-results-header i {
    font-size: 20px;
    color: var(--accent);
}

.gpa-results-header h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 0;
}

.gpa-results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

@media (max-width: 480px) {
    .gpa-results-grid {
        grid-template-columns: 1fr;
    }
}

.gpa-result-box {
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.gpa-result-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gpa-result-val-credits {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent-text);
}

.gpa-result-val-points {
    font-size: 28px;
    font-weight: 800;
    color: var(--success);
}

.gpa-result-val-gpa {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent-text);
}

.gpa-result-val-cgpa {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent-text);
}

/* Scale & Notes Bottom Grid */
.gpa-scale-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: start;
}

@media (min-width: 768px) {
    .gpa-scale-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.gpa-card {
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.gpa-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.gpa-card-header i {
    font-size: 20px;
    color: var(--accent);
}

.gpa-card-header h3 {
    margin-bottom: 0;
    font-size: 16px;
    font-weight: 700;
}

.gpa-scale-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

.gpa-scale-table th {
    padding: 10px 8px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.gpa-scale-table td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--border-light);
}

.gpa-scale-table tbody tr:last-child td {
    border-bottom: none;
}

.gpa-scale-grade {
    font-weight: 600;
    color: var(--text-primary);
}

.gpa-scale-point {
    text-align: right;
    font-weight: 600;
    color: var(--text-primary);
}

.gpa-scale-marks {
    text-align: right;
    color: var(--text-secondary);
}

.gpa-notes-list {
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* Header Nav Active State Underline */
.header-nav a {
    position: relative;
    padding: 6px 0;
}

.header-nav a.active {
    color: var(--accent-text) !important;
    font-weight: 600;
}

.header-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

@media (max-width: 768px) {
    .header-nav a.active::after {
        display: none;
    }
}

/* Premium Disclaimer Card Styles */
.disclaimer-premium {
    margin-top: 36px;
    padding: 28px 32px;
    background: linear-gradient(135deg, #0e1424 0%, #151e33 100%);
    border: 1px solid rgba(245, 158, 11, 0.45);
    border-radius: 18px;
    display: flex;
    align-items: center;
    gap: 28px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
    text-align: left;
}

.disclaimer-premium-badge {
    flex-shrink: 0;
}

.disclaimer-premium-circle {
    width: 52px;
    height: 52px;
    background: #f59e0b;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0e1424;
    font-size: 26px;
    box-shadow: 0 0 16px rgba(245, 158, 11, 0.35);
}

.disclaimer-premium-content {
    flex-grow: 1;
    z-index: 2;
}

.disclaimer-premium-title {
    font-size: 19px;
    font-weight: 800;
    color: #f59e0b;
    margin: 0 0 12px 0 !important;
    letter-spacing: 0.5px;
}

.disclaimer-premium-text {
    font-size: 13.5px !important;
    line-height: 1.65 !important;
    color: #cbd5e1 !important;
    margin: 0 0 10px 0 !important;
    max-width: 90%;
    text-align: left !important;
}

.disclaimer-premium-text:last-child {
    margin-bottom: 0 !important;
}

.disclaimer-premium-text strong {
    color: #ffffff !important;
    font-weight: 700 !important;
}

.disclaimer-premium-link {
    color: #f59e0b !important;
    text-decoration: underline !important;
    font-weight: 600 !important;
    transition: color 0.25s ease !important;
}

.disclaimer-premium-link:hover {
    color: #fbbf24 !important;
}

.disclaimer-premium-illustration {
    flex-shrink: 0;
    width: 95px;
    height: 95px;
    color: #ffffff;
    opacity: 0.15;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
}

.disclaimer-premium-illustration svg {
    width: 100%;
    height: 100%;
}

@media (max-width: 768px) {
    .disclaimer-premium {
        flex-direction: column;
        padding: 24px;
        text-align: center;
        gap: 16px;
    }
    
    .disclaimer-premium-circle {
        width: 48px;
        height: 48px;
        font-size: 22px;
    }
    
    .disclaimer-premium-text {
        max-width: 100%;
        text-align: center !important;
    }
    
    .disclaimer-premium-illustration {
        display: none;
    }
}

/* Academic Calendar Custom Layout Styles */
.calendar-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-top: 24px;
}

.calendar-chips-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.calendar-chip {
    background: var(--control-muted-bg);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 13.5px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.calendar-chip:hover {
    border-color: var(--accent);
    color: var(--accent-text);
}

.calendar-chip.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.explore-card:hover {
    border-color: var(--accent) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

.date-glance-item {
    transition: transform 0.2s ease;
}

.date-glance-item:hover {
    transform: translateX(4px);
}

@media (max-width: 992px) {
    .calendar-grid {
        grid-template-columns: 1fr;
    }
}