/* ========== THEME TOGGLE STYLES ========== */

/* ============================================================
   LIGHT THEME — Full redesign for vibrancy & contrast parity
   with the dark theme. All light-theme overrides live here.
   ============================================================ */

/* ========== LIGHT THEME VARIABLES ========== */
html[data-theme="light"] {
    --primary-green: #059669;
    --primary-cyan: #0284c7;
    --primary-purple: #7c3aed;
    --dark-bg: #f0fdf8;
    --card-bg: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --glow-green: rgba(5, 150, 105, 0.35);
    --glow-cyan: rgba(2, 132, 199, 0.30);
    --cursor-trail: rgba(5, 150, 105, 0.80);

    /* Extra tokens used in this file */
    --card-border: rgba(5, 150, 105, 0.18);
    --card-hover-border: rgba(5, 150, 105, 0.55);
    --card-shadow: 0 4px 24px rgba(5, 150, 105, 0.10), 0 1px 4px rgba(0, 0, 0, 0.06);
    --card-hover-shadow: 0 20px 60px rgba(5, 150, 105, 0.22), 0 4px 16px rgba(2, 132, 199, 0.14);
}

/* ========== DARK THEME VARIABLES (Default) ========== */
html[data-theme="dark"] {
    --primary-green: #00ff88;
    --primary-cyan: #00d4ff;
    --primary-purple: #b366ff;
    --dark-bg: #0a0a0a;
    --card-bg: #151515;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --glow-green: rgba(0, 255, 136, 0.3);
    --glow-cyan: rgba(0, 212, 255, 0.3);
    --cursor-trail: rgba(0, 255, 136, 0.75);
}

/* ========== THEME TOGGLE SWITCH ========== */
.theme-toggle-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-toggle {
    position: relative;
    width: 56px;
    height: 30px;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.9));
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    padding: 3px;
    flex-shrink: 0;
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.06), 0 4px 12px rgba(15, 23, 42, 0.18);
}

.theme-toggle:hover {
    transform: translateY(-1px);
    border-color: var(--primary-green);
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.06), 0 0 14px var(--glow-green);
}

.theme-toggle-circle {
    position: absolute;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffffff, #e2e8f0);
    left: 3px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.7);
}

.theme-toggle.active {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.22), rgba(2, 132, 199, 0.2));
    border-color: rgba(5, 150, 105, 0.45);
}

.theme-toggle.active .theme-toggle-circle {
    left: 29px;
    background: linear-gradient(135deg, #fef3c7, #fbbf24);
}

.theme-icon {
    font-size: 11px;
    line-height: 1;
    color: var(--text-primary);
    display: block;
    position: absolute;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.theme-icon-sun {
    opacity: 1;
    transform: scale(1);
}

.theme-icon-moon {
    opacity: 0;
    transform: scale(0.7);
}

.theme-toggle.active .theme-icon-sun {
    opacity: 0;
    transform: scale(0.7);
}

.theme-toggle.active .theme-icon-moon {
    opacity: 1;
    transform: scale(1);
}

/* ========== SMOOTH TRANSITIONS ========== */
html {
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    transition: background-color 0.3s ease, color 0.3s ease;
}

.navbar,
.btn-signin,
.btn-contribute,
.btn-primary,
.btn-secondary {
    transition: all 0.3s ease;
}

/* ========== GLOBAL BODY (LIGHT) ========== */
html[data-theme="light"] body {
    background: linear-gradient(145deg, #ecfdf5 0%, #eff6ff 50%, #faf5ff 100%);
    background-attachment: fixed;
    color: var(--text-primary);
}

/* ========== ANIMATED BACKGROUND (LIGHT) ========== */
html[data-theme="light"] .bg-animation {
    background:
        radial-gradient(ellipse 700px 500px at 10% 15%, rgba(5, 150, 105, 0.12) 0%, transparent 70%),
        radial-gradient(ellipse 600px 400px at 90% 80%, rgba(2, 132, 199, 0.10) 0%, transparent 70%),
        radial-gradient(ellipse 500px 400px at 55% 40%, rgba(124, 58, 237, 0.07) 0%, transparent 70%);
}

html[data-theme="light"] .particle {
    width: 5px;
    height: 5px;
    background: radial-gradient(circle, #059669 0%, rgba(5, 150, 105, 0.4) 60%, transparent 100%);
    opacity: 0.75;
    box-shadow:
        0 0 8px rgba(5, 150, 105, 0.55),
        0 0 16px rgba(5, 150, 105, 0.30);
}

html[data-theme="light"] .particle:nth-child(even) {
    background: radial-gradient(circle, #0284c7 0%, rgba(2, 132, 199, 0.4) 60%, transparent 100%);
    box-shadow:
        0 0 8px rgba(2, 132, 199, 0.55),
        0 0 16px rgba(2, 132, 199, 0.30);
}

/* ========== NAVIGATION (LIGHT) ========== */
html[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border-bottom: 1px solid rgba(5, 150, 105, 0.18);
    box-shadow: 0 1px 16px rgba(5, 150, 105, 0.08);
}

html[data-theme="light"] .navbar.scrolled {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 4px 30px rgba(5, 150, 105, 0.12), 0 1px 6px rgba(0, 0, 0, 0.06);
    border-bottom-color: rgba(5, 150, 105, 0.25);
}

html[data-theme="light"] .nav-link {
    color: var(--text-secondary);
}

html[data-theme="light"] .nav-link:hover,
html[data-theme="light"] .nav-link.active {
    color: var(--text-primary);
}

html[data-theme="light"] .hamburger span {
    background: var(--text-primary);
}

/* Nav-menu box only on mobile — desktop must stay transparent/flat */
@media (max-width: 768px) {
    html[data-theme="light"] .nav-menu {
        background: rgba(255, 255, 255, 0.98);
        border: 1px solid rgba(5, 150, 105, 0.20);
        box-shadow: 0 10px 40px rgba(5, 150, 105, 0.12);
    }
}

/* Desktop: explicitly clear any inherited box from the nav-menu */
@media (min-width: 769px) {
    html[data-theme="light"] .nav-menu {
        background: transparent;
        border: none;
        box-shadow: none;
    }
}

/* ========== BADGE (LIGHT) ========== */
html[data-theme="light"] .badge {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.12), rgba(2, 132, 199, 0.10));
    border: 1.5px solid rgba(5, 150, 105, 0.35);
    box-shadow: 0 0 18px rgba(5, 150, 105, 0.15), 0 0 8px rgba(2, 132, 199, 0.10);
    animation: glowLight 3s ease-in-out infinite;
}

@keyframes glowLight {

    0%,
    100% {
        box-shadow: 0 0 12px rgba(5, 150, 105, 0.20), 0 0 6px rgba(2, 132, 199, 0.12);
    }

    50% {
        box-shadow: 0 0 24px rgba(5, 150, 105, 0.35), 0 0 16px rgba(2, 132, 199, 0.22);
    }
}

/* ========== HERO ORB (LIGHT) ========== */
html[data-theme="light"] .orb {
    background: radial-gradient(circle at 30% 30%, #0284c7, #059669, rgba(240, 253, 248, 0.3));
    box-shadow:
        0 0 80px rgba(5, 150, 105, 0.45),
        0 0 140px rgba(2, 132, 199, 0.30),
        inset 0 0 60px rgba(255, 255, 255, 0.35);
}

html[data-theme="light"] .orb-ring {
    border: 2px solid rgba(5, 150, 105, 0.45);
    box-shadow: 0 0 20px rgba(5, 150, 105, 0.20);
}

html[data-theme="light"] .ring-2 {
    border: 2px solid rgba(2, 132, 199, 0.30);
    box-shadow: 0 0 20px rgba(2, 132, 199, 0.15);
}

html[data-theme="light"] .mouse {
    border-color: var(--primary-green);
    box-shadow: 0 0 12px rgba(5, 150, 105, 0.30);
}

html[data-theme="light"] .wheel {
    background: var(--primary-green);
    box-shadow: 0 0 6px rgba(5, 150, 105, 0.50);
}

/* ========== BUTTONS (LIGHT) ========== */
html[data-theme="light"] .btn-primary {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-cyan));
    color: #ffffff;
    box-shadow: 0 0 28px rgba(5, 150, 105, 0.40), 0 4px 14px rgba(5, 150, 105, 0.25);
    border: none;
}

html[data-theme="light"] .btn-primary:hover {
    box-shadow: 0 8px 40px rgba(5, 150, 105, 0.50), 0 0 20px rgba(2, 132, 199, 0.30);
    transform: translateY(-3px);
}

html[data-theme="light"] .btn-secondary {
    background: rgba(255, 255, 255, 0.85);
    color: var(--text-primary);
    border: 1.5px solid rgba(5, 150, 105, 0.30);
    box-shadow: 0 2px 12px rgba(5, 150, 105, 0.10);
}

html[data-theme="light"] .btn-secondary:hover {
    border-color: var(--primary-green);
    background: rgba(5, 150, 105, 0.06);
    box-shadow: 0 4px 20px rgba(5, 150, 105, 0.20);
    transform: translateY(-3px);
}

html[data-theme="light"] .btn-signin {
    background: transparent;
    color: var(--text-primary);
    border: none;
}

html[data-theme="light"] .btn-signin:hover {
    color: var(--primary-green);
}

html[data-theme="light"] .btn-contribute {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-cyan));
    color: #ffffff;
    box-shadow: 0 0 20px rgba(5, 150, 105, 0.35);
}

html[data-theme="light"] .btn-contribute:hover {
    box-shadow: 0 0 32px rgba(5, 150, 105, 0.50);
    transform: translateY(-2px);
}

/* ========== CARDS — UNIVERSAL (LIGHT) ========== */
html[data-theme="light"] .branch-card,
html[data-theme="light"] .semester-card,
html[data-theme="light"] .subject-card,
html[data-theme="light"] .resource-card,
html[data-theme="light"] .team-card,
html[data-theme="light"] .team-card-premium,
html[data-theme="light"] .info-card,
html[data-theme="light"] .contact-card,
html[data-theme="light"] .policy-card,
html[data-theme="light"] .upload-section,
html[data-theme="light"] .page-section {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
    color: var(--text-primary);
}

/* BRANCH CARDS */
html[data-theme="light"] .branch-card {
    background: linear-gradient(145deg, #ffffff, #f0fdf8);
    border: 1.5px solid rgba(5, 150, 105, 0.14);
}

html[data-theme="light"] .branch-card:hover {
    border-color: var(--primary-green);
    box-shadow: 0 20px 60px rgba(5, 150, 105, 0.22), 0 0 0 1px rgba(5, 150, 105, 0.15);
    background: linear-gradient(145deg, #ffffff, rgba(5, 150, 105, 0.04));
    transform: translateY(-10px);
}

html[data-theme="light"] .branch-card::before {
    background: linear-gradient(135deg, transparent, rgba(5, 150, 105, 0.08), transparent);
}

html[data-theme="light"] .branch-label {
    color: var(--text-secondary);
}

html[data-theme="light"] .branch-card:hover .branch-label {
    color: var(--text-primary);
}

/* SEMESTER CARDS */
html[data-theme="light"] .semester-card {
    background: linear-gradient(145deg, #ffffff, #eff6ff);
    border: 1.5px solid rgba(2, 132, 199, 0.14);
}

html[data-theme="light"] .semester-card:hover {
    border-color: var(--primary-cyan);
    box-shadow: 0 20px 60px rgba(2, 132, 199, 0.22), 0 0 0 1px rgba(2, 132, 199, 0.15);
}

html[data-theme="light"] .semester-label {
    color: var(--text-secondary);
}

html[data-theme="light"] .semester-card:hover .semester-label {
    color: var(--text-primary);
}

/* SUBJECT CARDS */
html[data-theme="light"] .subject-card {
    border: 1px solid rgba(5, 150, 105, 0.12);
}

html[data-theme="light"] .subject-card:hover {
    border-color: var(--primary-green);
    box-shadow: 0 20px 60px rgba(5, 150, 105, 0.20);
}

html[data-theme="light"] .subject-card .card-info {
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid rgba(5, 150, 105, 0.12);
    backdrop-filter: blur(8px);
}

html[data-theme="light"] .subject-card .card-title {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

html[data-theme="light"] .subject-card .card-bg {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.12), rgba(2, 132, 199, 0.12));
}

html[data-theme="light"] .subject-code,
html[data-theme="light"] .card-code {
    color: var(--primary-green);
}

html[data-theme="light"] .subject-name {
    color: var(--text-primary);
}

/* TEAM CARDS */
html[data-theme="light"] .team-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(240, 253, 248, 0.85));
    border: 1px solid rgba(5, 150, 105, 0.15);
    box-shadow: 0 4px 24px rgba(5, 150, 105, 0.08), 0 1px 4px rgba(0, 0, 0, 0.05);
}

html[data-theme="light"] .team-card::before {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.45), rgba(2, 132, 199, 0.35), rgba(124, 58, 237, 0.25));
    opacity: 0.30;
}

html[data-theme="light"] .team-card::after {
    background: radial-gradient(circle, rgba(5, 150, 105, 0.15), transparent 70%);
}

html[data-theme="light"] .team-card:hover {
    border-color: var(--primary-green);
    box-shadow: 0 20px 55px rgba(5, 150, 105, 0.22), 0 0 24px rgba(2, 132, 199, 0.14);
    transform: translateY(-12px);
}

html[data-theme="light"] .team-card:hover::before {
    opacity: 0.75;
}

html[data-theme="light"] .team-card:hover::after {
    opacity: 1;
}

html[data-theme="light"] .team-image-wrap {
    border-color: rgba(5, 150, 105, 0.30);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12), 0 0 22px rgba(5, 150, 105, 0.20);
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.12), rgba(2, 132, 199, 0.12));
}

html[data-theme="light"] .team-card:hover .team-image-wrap {
    border-color: rgba(5, 150, 105, 0.60);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.15), 0 0 28px rgba(5, 150, 105, 0.28);
}

html[data-theme="light"] .team-name {
    color: var(--text-primary);
}

html[data-theme="light"] .team-role {
    color: var(--primary-green);
}

html[data-theme="light"] .team-desc {
    color: var(--text-secondary);
}

html[data-theme="light"] .team-social-link {
    background: rgba(5, 150, 105, 0.06);
    border-color: rgba(5, 150, 105, 0.20);
    color: var(--text-primary);
}

html[data-theme="light"] .team-social-link:hover {
    color: #ffffff;
}

html[data-theme="light"] .team-bg-glow-1 {
    background: radial-gradient(circle, rgba(5, 150, 105, 0.20), transparent 70%);
    opacity: 0.70;
}

html[data-theme="light"] .team-bg-glow-2 {
    background: radial-gradient(circle, rgba(2, 132, 199, 0.18), transparent 70%);
    opacity: 0.65;
}

/* RESOURCE CARDS */
html[data-theme="light"] .resource-card {
    background: linear-gradient(145deg, #ffffff, rgba(240, 253, 248, 0.6));
    border: 1.5px solid rgba(5, 150, 105, 0.14);
    box-shadow: var(--card-shadow);
}

html[data-theme="light"] .resource-card:hover {
    border-color: var(--primary-green);
    box-shadow: var(--card-hover-shadow);
}

html[data-theme="light"] .resource-icon {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.15), rgba(2, 132, 199, 0.12));
    box-shadow: 0 0 16px rgba(5, 150, 105, 0.18);
}

html[data-theme="light"] .resource-title {
    color: var(--text-primary);
}

html[data-theme="light"] .resource-btn {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-cyan));
    color: #ffffff;
    box-shadow: 0 0 16px rgba(5, 150, 105, 0.30);
}

html[data-theme="light"] .resource-btn:hover {
    box-shadow: 0 0 28px rgba(5, 150, 105, 0.45);
}

/* CARD GLOW ACCENT BAR */
html[data-theme="light"] .card-glow {
    background: linear-gradient(90deg, var(--primary-green), var(--primary-cyan));
    box-shadow: 0 0 12px rgba(5, 150, 105, 0.40);
}

/* ========== FOOTER (LIGHT) ========== */
html[data-theme="light"] .footer {
    background: rgba(255, 255, 255, 0.90);
    border-top: 1px solid rgba(5, 150, 105, 0.18);
    box-shadow: 0 -4px 20px rgba(5, 150, 105, 0.06);
}

html[data-theme="light"] .footer-links a {
    color: var(--text-secondary);
}

html[data-theme="light"] .footer-links a:hover {
    color: var(--primary-green);
}

html[data-theme="light"] .footer-social p {
    color: var(--text-secondary);
}

/* ========== CONTENT PAGES (LIGHT) ========== */
html[data-theme="light"] .content-page {
    background:
        radial-gradient(ellipse 600px 400px at 5% 10%, rgba(5, 150, 105, 0.10), transparent 60%),
        radial-gradient(ellipse 500px 350px at 95% 90%, rgba(2, 132, 199, 0.09), transparent 60%),
        linear-gradient(160deg, #ecfdf5, #eff6ff, #faf5ff);
    background-attachment: fixed;
}

html[data-theme="light"] .page-badge {
    background: rgba(5, 150, 105, 0.12);
    color: var(--primary-green);
    border: 1px solid rgba(5, 150, 105, 0.25);
}

html[data-theme="light"] .page-section {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(5, 150, 105, 0.14);
    box-shadow: 0 8px 40px rgba(5, 150, 105, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
    backdrop-filter: blur(12px);
}

html[data-theme="light"] .section-kicker {
    color: var(--primary-cyan);
}

html[data-theme="light"] .section-title {
    color: var(--text-primary);
}

html[data-theme="light"] .section-copy {
    color: var(--text-secondary);
}

html[data-theme="light"] .info-card,
html[data-theme="light"] .contact-card,
html[data-theme="light"] .policy-card {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(5, 150, 105, 0.12);
    box-shadow: 0 2px 12px rgba(5, 150, 105, 0.06);
    color: var(--text-primary);
}

html[data-theme="light"] .info-card h3,
html[data-theme="light"] .contact-card h3,
html[data-theme="light"] .policy-card h3 {
    color: var(--text-primary);
}

html[data-theme="light"] .info-card p,
html[data-theme="light"] .contact-card p,
html[data-theme="light"] .policy-card p,
html[data-theme="light"] .content-list li {
    color: var(--text-secondary);
}

html[data-theme="light"] .contact-card a {
    color: var(--primary-cyan);
}

html[data-theme="light"] .content-link {
    background: rgba(255, 255, 255, 0.90);
    border: 1.5px solid rgba(5, 150, 105, 0.18);
    color: var(--text-primary);
    box-shadow: 0 2px 10px rgba(5, 150, 105, 0.08);
}

html[data-theme="light"] .content-link:hover {
    border-color: var(--primary-green);
    background: rgba(5, 150, 105, 0.06);
    box-shadow: 0 4px 20px rgba(5, 150, 105, 0.18);
}

html[data-theme="light"] .content-highlight {
    background: rgba(5, 150, 105, 0.07);
    border-left: 3px solid var(--primary-green);
    color: var(--text-secondary);
    box-shadow: inset 0 0 20px rgba(5, 150, 105, 0.04);
}

html[data-theme="light"] .policy-card ul {
    color: var(--text-secondary);
}

/* ========== UPLOAD (LIGHT) ========== */
html[data-theme="light"] .upload-section {
    background: rgba(255, 255, 255, 0.95);
    border: 2px dashed rgba(5, 150, 105, 0.30);
    box-shadow: var(--card-shadow);
}

html[data-theme="light"] .upload-section:hover,
html[data-theme="light"] .upload-section.drag-over {
    border-color: var(--primary-green);
    box-shadow: var(--card-hover-shadow);
}

/* ========== SPHERE / ARENA (LIGHT) ========== */
html[data-theme="light"] .sphere {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.22), rgba(2, 132, 199, 0.20));
    box-shadow:
        0 0 50px rgba(5, 150, 105, 0.40),
        0 0 90px rgba(2, 132, 199, 0.25),
        inset 0 0 40px rgba(255, 255, 255, 0.40);
}

html[data-theme="light"] .sphere-inner {
    background: radial-gradient(circle at 30% 30%, var(--primary-green), transparent);
}

/* ========== MYSTERY ICON / TEASER (LIGHT) ========== */
html[data-theme="light"] .mystery-icon circle {
    stroke: var(--primary-green);
    filter: drop-shadow(0 0 6px rgba(5, 150, 105, 0.45));
}

html[data-theme="light"] .icon-glow {
    background: radial-gradient(circle, rgba(5, 150, 105, 0.25), transparent);
}

/* ========== THEME TOGGLE (LIGHT OVERRIDE) ========== */
/* Clean, centered pill switch with a visible track and knob */
.theme-toggle-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    margin-left: auto;
}

.theme-toggle {
    position: relative;
    width: 54px;
    height: 28px;
    background: linear-gradient(135deg, #1e293b, #334155);
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    padding: 2px;
    flex-shrink: 0;
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.08), 0 3px 8px rgba(15, 23, 42, 0.2);
    overflow: hidden;
}

.theme-toggle:hover {
    transform: translateY(-1px);
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.08), 0 5px 12px rgba(59, 130, 246, 0.25);
}

.theme-toggle-circle {
    position: absolute;
    top: 50%;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffffff, #e2e8f0);
    left: 3px;
    transform: translateY(-50%);
    transition: all 0.3s ease;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15), inset 0 1px 2px rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle.active {
    background: linear-gradient(135deg, #0f766e, #2563eb);
    border-color: rgba(16, 185, 129, 0.45);
}

.theme-toggle.active .theme-toggle-circle {
    left: 29px;
    background: linear-gradient(135deg, #fef3c7, #fbbf24);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2), inset 0 -1px 2px rgba(0, 0, 0, 0.1);
}

.theme-toggle::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.75);
    border-radius: 50%;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.3s ease;
    opacity: 0.9;
}

.theme-toggle.active::after {
    background: rgba(255, 255, 255, 0.55);
    right: 34px;
}

/* Labels */
.theme-toggle-wrapper .label {
    font-size: 1rem;
    color: #334155;
    user-select: none;
}

.theme-toggle-wrapper .label-light {
    color: #1e40af;
    font-weight: 600;
}

.theme-toggle-wrapper .label-dark {
    color: #64748b;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .theme-toggle {
        width: 48px;
        height: 26px;
    }

    .theme-toggle-circle {
        width: 20px;
        height: 20px;
    }

    .theme-toggle.active .theme-toggle-circle {
        left: 24px;
    }

    .theme-toggle::after {
        width: 5px;
        height: 5px;
    }
}

/* Light theme specific overrides (if needed) */
html[data-theme="light"] .theme-toggle {
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
}

html[data-theme="light"] .theme-toggle.active {
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
}

/* ========== FACULTY / SECTION CARDS (LIGHT) ========== */
html[data-theme="light"] .faculty-section,
html[data-theme="light"] .section-card,
html[data-theme="light"] .faculty-card {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(5, 150, 105, 0.14);
    box-shadow: var(--card-shadow);
    color: var(--text-primary);
}

html[data-theme="light"] .faculty-card:hover {
    border-color: var(--primary-green);
    box-shadow: var(--card-hover-shadow);
}

/* ========== TEAM PREMIUM (LIGHT) ========== */
html[data-theme="light"] .team-card-premium {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(240, 253, 248, 0.80));
    border: 1px solid rgba(5, 150, 105, 0.18);
    box-shadow: var(--card-shadow);
}

html[data-theme="light"] .team-card-premium:hover {
    border-color: var(--primary-green);
    box-shadow: var(--card-hover-shadow);
}

html[data-theme="light"] .team-name-premium {
    color: var(--text-primary);
}

/* ========== GRADIENT TEXT (LIGHT) ========== */
html[data-theme="light"] .gradient-text {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-cyan), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    filter: saturate(1.3) brightness(0.92);
}

html[data-theme="light"] .team-title {
    background: linear-gradient(135deg, var(--text-primary), var(--primary-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== SUBJECT SELECTED INFO (LIGHT) ========== */
html[data-theme="light"] #selected-branch,
html[data-theme="light"] #selected-semester {
    color: var(--primary-green);
    font-weight: 700;
}

html[data-theme="light"] .contributor::before {
    color: var(--primary-green);
}

/* ========== DARK THEME OVERRIDES ========== */
html[data-theme="dark"] body {
    background: var(--dark-bg);
    color: var(--text-primary);
}

html[data-theme="dark"] .navbar {
    background: rgba(10, 10, 10, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

html[data-theme="dark"] .navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .theme-toggle-wrapper {
        gap: 0.25rem;
    }

    .theme-toggle {
        width: 45px;
        height: 24px;
    }

    .theme-toggle-circle {
        width: 18px;
        height: 18px;
        font-size: 11px;
    }

    .theme-toggle.active .theme-toggle-circle {
        left: 22px;
    }
}

@media (max-width: 480px) {
    .theme-toggle {
        width: 42px;
        height: 22px;
        border-width: 1.5px;
    }

    .theme-toggle-circle {
        width: 16px;
        height: 16px;
        font-size: 10px;
    }

    .theme-toggle.active .theme-toggle-circle {
        left: 20px;
    }
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {

    .theme-toggle,
    .theme-toggle-circle {
        transition: none;
    }

    html[data-theme="light"] .badge {
        animation: none;
    }

    html[data-theme="light"] .bg-animation {
        animation: none;
    }
}

@media (prefers-contrast: more) {
    .theme-toggle {
        border-width: 3px;
    }

    html[data-theme="light"] {
        --card-border: rgba(5, 150, 105, 0.40);
    }
}

/* ========== NAVBAR EQUAL-SPACING FLEXBOX LAYOUT (DESKTOP) ========== */
@media (min-width: 769px) {
    .nav-container {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        flex-wrap: nowrap !important;
        width: 100% !important;
        gap: 1.5rem !important;
    }

    .logo {
        flex: 0 0 auto !important;
    }

    .theme-toggle-wrapper {
        flex: 0 0 auto !important;
        margin: 0 !important;
    }

    .nav-menu {
        flex: 0 1 auto !important;
        display: flex !important;
        flex-wrap: nowrap !important;
        justify-content: center !important;
        max-width: none !important;
        width: auto !important;
        margin: 0 1.5rem !important;
        gap: 1.2rem !important;
    }

    .nav-actions {
        flex: 0 0 auto !important;
        min-width: auto !important;
        margin: 0 !important;
    }
}