@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root,
[data-theme="dark"] {
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    /* Deep Royal Indigo & Sapphire Theme (Dark Mode) */
    --bg-page: #06091c;
    --bg-header: rgba(9, 14, 40, 0.94);
    --bg-surface: #0c1334;
    --bg-card: #111944;
    --bg-card-hover: #162159;
    --bg-card-alt: #141c4d;
    --bg-elevated: #1a2566;

    /* Vibrant Accents */
    --color-primary: #00d2ff;
    --color-primary-dark: #0099ff;
    --color-primary-glow: rgba(0, 210, 255, 0.35);
    
    --color-indigo: #4f46e5;
    --color-indigo-light: #6366f1;
    --color-indigo-glow: rgba(79, 70, 229, 0.35);

    --color-gold: #f59e0b;
    --color-gold-light: #fbbf24;
    --color-gold-glow: rgba(245, 158, 11, 0.35);

    --color-emerald: #10b981;
    --color-emerald-glow: rgba(16, 185, 129, 0.35);

    --color-rose: #f43f5e;

    /* Text Colors */
    --color-white: #ffffff;
    --color-text-main: #f8fafc;
    --color-text-sub: #cbd5e1;
    --color-muted: #94a3b8;
    --color-dim: #64748b;

    /* Borders & Shadows */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-glow: rgba(0, 210, 255, 0.3);
    --color-border-light: rgba(255, 255, 255, 0.14);

    --shadow-card: 0 12px 36px -8px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
    --shadow-hover: 0 20px 48px -10px rgba(0, 210, 255, 0.18), 0 0 0 1px rgba(0, 210, 255, 0.4);
    --shadow-glow-cyan: 0 0 24px rgba(0, 210, 255, 0.4);
    --shadow-glow-gold: 0 0 24px rgba(245, 158, 11, 0.35);

    /* Radii */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 30px;
    --radius-full: 9999px;

    --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
    /* Pure Modern Light Mode */
    --bg-page: #f1f5f9;
    --bg-header: rgba(255, 255, 255, 0.94);
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-card-alt: #f1f5f9;
    --bg-elevated: #e2e8f0;

    /* Vibrant Accents */
    --color-primary: #0284c7;
    --color-primary-dark: #0369a1;
    --color-primary-glow: rgba(2, 132, 199, 0.25);
    
    --color-indigo: #4338ca;
    --color-indigo-light: #4f46e5;
    --color-indigo-glow: rgba(67, 56, 202, 0.2);

    --color-gold: #d97706;
    --color-gold-light: #b45309;
    --color-gold-glow: rgba(217, 119, 6, 0.2);

    --color-emerald: #059669;
    --color-emerald-glow: rgba(5, 150, 105, 0.2);

    --color-rose: #e11d48;

    /* Text Colors */
    --color-white: #ffffff;
    --color-text-main: #0f172a;
    --color-text-sub: #334155;
    --color-muted: #64748b;
    --color-dim: #94a3b8;

    /* Borders & Shadows */
    --color-border: rgba(15, 23, 42, 0.09);
    --color-border-glow: rgba(2, 132, 199, 0.35);
    --color-border-light: rgba(15, 23, 42, 0.13);

    --shadow-card: 0 10px 30px -5px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(15, 23, 42, 0.06);
    --shadow-hover: 0 18px 40px -8px rgba(2, 132, 199, 0.18), 0 0 0 1px rgba(2, 132, 199, 0.4);
    --shadow-glow-cyan: 0 0 20px rgba(2, 132, 199, 0.25);
    --shadow-glow-gold: 0 0 20px rgba(217, 119, 6, 0.25);
}

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

body {
    background-color: var(--bg-page);
    color: var(--color-text-main);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    background-image: 
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(79, 70, 229, 0.22), transparent 70%),
        radial-gradient(ellipse 60% 40% at 90% 20%, rgba(0, 210, 255, 0.12), transparent 60%),
        radial-gradient(ellipse 50% 30% at 10% 60%, rgba(245, 158, 11, 0.08), transparent 60%);
    background-repeat: no-repeat;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

/* ── Container Layout ── */
.main-container,
.page-container {
    width: 100%;
    margin: 0 auto;
    min-height: 100vh;
}

.content-wrapper {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 768px) {
    .content-wrapper {
        padding: 0 24px;
    }
}

/* ── Top Announcement Ticker ── */
.top-announcement {
    background: linear-gradient(90deg, #0c1236, #162060, #0c1236);
    border-bottom: 1px solid rgba(0, 210, 255, 0.15);
    padding: 6px 14px;
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 12px;
    color: var(--color-text-sub);
    overflow: hidden;
    position: relative;
}

.announcement-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-indigo));
    color: #ffffff;
    font-size: 11px;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    white-space: nowrap;
    box-shadow: 0 0 14px rgba(0, 210, 255, 0.4);
    flex-shrink: 0;
    z-index: 5;
    position: relative;
}

.announcement-badge .pulse-dot {
    width: 6px;
    height: 6px;
    background: #ffffff;
    border-radius: 50%;
    animation: pulseDot 1.4s infinite;
}

@keyframes pulseDot {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 8px #ffffff; }
    100% { transform: scale(0.9); opacity: 0.6; }
}

.announcement-track {
    display: flex;
    align-items: center;
    white-space: nowrap;
    animation: tickerRun 36s linear infinite;
    font-weight: 500;
    padding-left: 20px;
}

.announcement-track:hover {
    animation-play-state: paused;
}

.announcement-item {
    margin-right: 48px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.announcement-item strong {
    color: var(--color-primary);
    font-weight: 700;
}

.announcement-item .highlight-gold {
    color: var(--color-gold-light);
    font-weight: 700;
}

@keyframes tickerRun {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ── Main Header ── */
.main-header {
    background-color: var(--bg-header);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transition: var(--transition);
}

.main-header.scrolled {
    background-color: rgba(6, 9, 28, 0.97);
    border-bottom-color: rgba(0, 210, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.header-top {
    width: 100%;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    max-width: 1280px;
    margin: 0 auto;
    gap: 16px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0, 210, 255, 0.3));
    transition: var(--transition);
}

.logo:hover img {
    transform: scale(1.03);
}

.header-auth {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-login {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-main);
    border: 1px solid var(--color-border-light);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.3px;
    transition: var(--transition);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-login:hover {
    background: rgba(0, 210, 255, 0.12);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 0 16px rgba(0, 210, 255, 0.25);
    transform: translateY(-1px);
}

.btn-register {
    background: linear-gradient(135deg, #00d2ff 0%, #2563eb 100%);
    color: #ffffff;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.4px;
    box-shadow: 0 4px 18px rgba(0, 210, 255, 0.38);
    transition: var(--transition);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: relative;
    overflow: hidden;
}

.btn-register::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
    transition: 0.6s;
}

.btn-register:hover {
    box-shadow: 0 6px 26px rgba(0, 210, 255, 0.55);
    transform: translateY(-1.5px);
}

.btn-register:hover::after {
    left: 100%;
}

.btn-header-home {
    font-family: var(--font-heading);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--color-border-light);
    color: var(--color-text-main);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.3px;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-header-home svg {
    width: 15px;
    height: 15px;
    color: var(--color-primary);
    transition: transform 0.25s ease;
}

.btn-header-home:hover {
    color: #ffffff;
    background: rgba(0, 210, 255, 0.14);
    border-color: var(--color-primary);
    box-shadow: 0 0 16px var(--color-primary-glow);
    transform: translateY(-1px);
}

.btn-header-home:hover svg {
    transform: scale(1.1);
}

[data-theme="light"] .btn-header-home {
    background: rgba(15, 23, 42, 0.05);
    border-color: rgba(15, 23, 42, 0.12);
    color: var(--color-text-main);
}

[data-theme="light"] .btn-header-home:hover {
    background: rgba(2, 132, 199, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ── Floating Back to Home Button ── */
.floating-back-home {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 990;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.7rem 1.25rem;
    background: rgba(12, 19, 52, 0.92);
    color: #ffffff;
    border: 1px solid rgba(0, 210, 255, 0.4);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    font-family: var(--font-heading);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 16px rgba(0, 210, 255, 0.25);
    transition: var(--transition);
    text-decoration: none;
    cursor: pointer;
}

.floating-back-home svg {
    width: 17px;
    height: 17px;
    color: var(--color-primary);
    transition: transform 0.25s ease;
    flex-shrink: 0;
}

.floating-back-home:hover {
    background: rgba(17, 25, 68, 0.98);
    border-color: var(--color-primary);
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.6), 0 0 22px rgba(0, 210, 255, 0.45);
    color: #ffffff;
}

.floating-back-home:hover svg {
    transform: scale(1.15);
}

[data-theme="light"] .floating-back-home {
    background: rgba(255, 255, 255, 0.95);
    color: #0f172a;
    border-color: rgba(2, 132, 199, 0.4);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12), 0 0 16px rgba(2, 132, 199, 0.2);
}

[data-theme="light"] .floating-back-home:hover {
    background: #ffffff;
    border-color: #0284c7;
    color: #0284c7;
}

@media (max-width: 768px) {
    .floating-back-home {
        bottom: 1.2rem;
        left: 1rem;
        padding: 0.55rem 0.95rem;
        font-size: 12px;
    }
}

/* ── Desktop Navigation ── */
.desktop-nav {
    display: none;
    background: rgba(14, 21, 55, 0.7);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.desktop-nav ul {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    list-style: none;
    overflow-x: auto;
    scrollbar-width: none;
}

.desktop-nav ul::-webkit-scrollbar {
    display: none;
}

.desktop-nav a {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-sub);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    letter-spacing: 0.3px;
    transition: var(--transition);
    position: relative;
}

.desktop-nav a:hover {
    color: var(--color-primary);
    background: rgba(0, 210, 255, 0.08);
}

.desktop-nav a.active {
    color: var(--color-white);
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.2), rgba(37, 99, 235, 0.3));
    border-bottom: 2px solid var(--color-primary);
}

/* ── Mobile Navigation Strip ── */
.mobile-nav-strip {
    background-color: rgba(14, 21, 55, 0.85);
    border-top: 1px solid var(--color-border);
}

.mobile-nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
}

.menu-label {
    color: var(--color-muted);
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.menu-label::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.menu-toggle {
    background: var(--bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    width: 36px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.menu-toggle:hover,
.menu-toggle.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 14px var(--color-primary-glow);
}

.menu-toggle svg {
    width: 18px;
    height: 18px;
    fill: var(--color-text-sub);
    transition: var(--transition);
}

.menu-toggle.active svg,
.menu-toggle:hover svg {
    fill: #06091c;
}

@media (max-width: 868px) {
    .desktop-nav.active {
        display: block;
        width: 100%;
        padding: 16px 0;
        position: absolute;
        top: 100%;
        left: 0;
        background: rgba(10, 15, 42, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(0, 210, 255, 0.2);
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7);
        z-index: 999;
        animation: menuSlideDown 0.3s ease-out;
    }

    @keyframes menuSlideDown {
        from { opacity: 0; transform: translateY(-10px); }
        to { opacity: 1; transform: translateY(0); }
    }

    .desktop-nav.active ul {
        flex-direction: column;
        gap: 6px;
        padding: 0 16px;
        align-items: stretch;
    }

    .desktop-nav.active a {
        font-size: 14px;
        font-weight: 700;
        color: var(--color-white);
        padding: 12px 18px;
        border-radius: var(--radius-md);
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid var(--color-border);
    }

    .desktop-nav.active a:hover {
        background: rgba(0, 210, 255, 0.12);
        color: var(--color-primary);
        border-color: rgba(0, 210, 255, 0.3);
    }
}

body.no-scroll {
    overflow: hidden;
}

/* ── Ad Banner Wrapper ── */
.banner-wrapper {
    padding: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
}

.banner-wrapper a {
    display: block;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.banner-wrapper a:hover {
    box-shadow: var(--shadow-hover);
    border-color: var(--color-border-glow);
    transform: translateY(-2px);
}

.banner-wrapper img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

/* ── Full Footer ── */
.main-footer {
    background: linear-gradient(180deg, #090e2a 0%, #050716 100%);
    border-top: 1px solid rgba(0, 210, 255, 0.15);
    padding: 60px 16px 28px;
    margin-top: 48px;
    position: relative;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    filter: drop-shadow(0 0 8px var(--color-primary));
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 36px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-logo {
    height: 46px;
    width: auto;
    object-fit: contain;
    align-self: flex-start;
}

.footer-desc {
    color: var(--color-muted);
    font-size: 13.5px;
    line-height: 1.7;
    max-width: 440px;
}

.footer-security-badges {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.badge-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 5px 10px;
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-sub);
}

.badge-item svg {
    width: 14px;
    height: 14px;
    fill: var(--color-primary);
}

.footer-nav h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    color: var(--color-white);
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 18px;
    position: relative;
    display: inline-block;
}

.footer-nav h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
}

.footer-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav a,
.footer-contact a {
    color: var(--color-muted);
    font-size: 13.5px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-nav a:hover,
.footer-contact a:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

.footer-contact p {
    color: var(--color-muted);
    font-size: 13.5px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact svg {
    width: 16px;
    height: 16px;
    fill: var(--color-primary);
    flex-shrink: 0;
}

.footer-links {
    margin-top: 14px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--color-muted);
    font-size: 12px;
    text-decoration: underline;
    text-underline-offset: 3px;
}

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

.footer-bottom {
    padding-top: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    text-align: center;
}

.footer-copyright {
    color: var(--color-muted);
    font-size: 12.5px;
}

.footer-disclaimer {
    color: var(--color-dim);
    font-size: 11.5px;
    max-width: 800px;
    line-height: 1.6;
}

/* ── Desktop Breakpoint ── */
@media (min-width: 868px) {
    .mobile-nav-strip {
        display: none;
    }

    .desktop-nav {
        display: block;
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
        gap: 48px;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }

    .logo img {
        height: 48px;
    }

    .btn-login {
        padding: 9px 22px;
        font-size: 13.5px;
    }

    .btn-register {
        padding: 9px 24px;
        font-size: 13.5px;
    }
}

/* ── Mobile Responsive Enhancements (Phones <= 480px) ── */
@media (max-width: 480px) {
    .content-wrapper {
        padding: 0 16px;
    }

    .top-announcement {
        padding: 6px 14px;
        font-size: 11px;
        gap: 8px;
    }

    .announcement-badge {
        font-size: 9.5px;
        padding: 3px 8px;
        letter-spacing: 0.4px;
    }

    .announcement-item {
        margin-right: 24px;
    }

    .header-container {
        padding: 10px 16px;
        gap: 8px;
    }

    .logo img {
        height: 32px;
    }

    .header-auth {
        gap: 6px;
    }

    .header-auth .theme-toggle-btn {
        display: none;
    }

    .theme-toggle-btn {
        width: 32px;
        height: 32px;
    }

    .theme-toggle-icon svg {
        width: 15px;
        height: 15px;
    }

    .btn-login {
        padding: 6px 10px;
        font-size: 11px;
        gap: 4px;
    }

    .btn-login svg {
        width: 12px;
        height: 12px;
    }

    .btn-register {
        padding: 6px 12px;
        font-size: 11px;
        gap: 4px;
    }

    .btn-register svg {
        width: 12px;
        height: 12px;
    }

    .mobile-nav-container {
        padding: 8px 16px;
    }

    .menu-label {
        font-size: 10px;
        letter-spacing: 0.8px;
    }

    .menu-toggle {
        width: 32px;
        height: 28px;
    }

    .menu-toggle svg {
        width: 16px;
        height: 16px;
    }

    .main-footer {
        padding: 36px 16px 24px;
        margin-top: 32px;
    }

    .footer-brand .footer-desc {
        font-size: 12.5px;
    }

    .footer-security-badges {
        flex-wrap: wrap;
        gap: 8px;
    }

    .footer-bottom {
        padding-top: 16px;
        gap: 10px;
    }
}

/* ═══════════════════════════════════════════════════════════════
   THEME TOGGLE BUTTON & LIGHT MODE SYSTEM
   ═══════════════════════════════════════════════════════════════ */
.theme-toggle-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    border: 1px solid var(--color-border-light);
    color: var(--color-text-main);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    flex-shrink: 0;
    box-shadow: var(--shadow-card);
    padding: 0;
}

@media (min-width: 768px) {
    .theme-toggle-btn {
        width: 38px;
        height: 38px;
    }
}

.theme-toggle-btn:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 16px var(--color-primary-glow);
    transform: translateY(-1.5px);
    color: var(--color-primary);
}

.theme-toggle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}

/* Dark Mode: show Sun icon */
:root:not([data-theme="light"]) .theme-toggle-btn .icon-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
    color: #fbbf24;
}

:root:not([data-theme="light"]) .theme-toggle-btn .icon-moon {
    display: none;
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

/* Light Mode: show Moon icon */
[data-theme="light"] .theme-toggle-btn .icon-sun {
    display: none;
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

[data-theme="light"] .theme-toggle-btn .icon-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
    color: #4f46e5;
}

.mobile-nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ═══════════════════════════════════════════════════════════════
   LIGHT MODE GENERAL STYLING
   ═══════════════════════════════════════════════════════════════ */
[data-theme="light"] body {
    background-color: var(--bg-page);
    background-image: 
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(99, 102, 241, 0.1), transparent 70%),
        radial-gradient(ellipse 60% 40% at 90% 20%, rgba(2, 132, 199, 0.08), transparent 60%),
        radial-gradient(ellipse 50% 30% at 10% 60%, rgba(245, 158, 11, 0.05), transparent 60%);
}

[data-theme="light"] .top-announcement {
    background: linear-gradient(90deg, #e2e8f0, #e0e7ff, #e2e8f0);
    border-bottom-color: rgba(2, 132, 199, 0.2);
    color: #334155;
}

[data-theme="light"] .announcement-item strong {
    color: #0284c7;
}

[data-theme="light"] .main-header {
    background-color: rgba(255, 255, 255, 0.94);
    border-bottom-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .main-header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    border-bottom-color: rgba(2, 132, 199, 0.25);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .btn-login {
    background: #f1f5f9;
    color: #0f172a;
    border-color: rgba(15, 23, 42, 0.12);
}

[data-theme="light"] .btn-login:hover {
    background: rgba(2, 132, 199, 0.1);
    border-color: #0284c7;
    color: #0284c7;
}

[data-theme="light"] .desktop-nav {
    background: rgba(248, 250, 252, 0.92);
    border-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .desktop-nav a {
    color: #334155;
}

[data-theme="light"] .desktop-nav a:hover {
    color: #0284c7;
    background: rgba(2, 132, 199, 0.08);
}

[data-theme="light"] .desktop-nav a.active {
    color: #0f172a;
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.15), rgba(99, 102, 241, 0.15));
    border-bottom-color: #0284c7;
}

[data-theme="light"] .mobile-nav-strip {
    background-color: rgba(248, 250, 252, 0.95);
    border-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .menu-label {
    color: #475569;
}

[data-theme="light"] .menu-toggle {
    background: #f1f5f9;
    border-color: rgba(15, 23, 42, 0.12);
}

[data-theme="light"] .menu-toggle svg {
    fill: #0f172a;
}

[data-theme="light"] .desktop-nav.active {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: rgba(2, 132, 199, 0.2);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.1);
}

[data-theme="light"] .footer-main {
    background-color: #f8fafc;
    border-top-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .footer-brand h3,
[data-theme="light"] .footer-nav h4,
[data-theme="light"] .footer-contact h4 {
    color: #0f172a;
}

[data-theme="light"] .footer-brand p,
[data-theme="light"] .footer-nav a,
[data-theme="light"] .footer-contact a,
[data-theme="light"] .footer-contact p,
[data-theme="light"] .footer-copyright {
    color: #475569;
}

[data-theme="light"] .footer-nav a:hover,
[data-theme="light"] .footer-contact a:hover {
    color: #0284c7;
}

[data-theme="light"] .footer-disclaimer {
    color: #64748b;
}

[data-theme="light"] .footer-badge {
    background: #ffffff;
    border-color: rgba(15, 23, 42, 0.08);
    color: #0f172a;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .footer-badge strong {
    color: #0284c7;
}

[data-theme="light"] .footer-social-link {
    background: #ffffff;
    border-color: rgba(15, 23, 42, 0.1);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .footer-social-link svg {
    fill: #0f172a;
}

[data-theme="light"] .footer-social-link:hover {
    background: #0284c7;
    border-color: #0284c7;
}

[data-theme="light"] .footer-social-link:hover svg {
    fill: #ffffff;
}