/* ============ CSS VARIABLES / THEMING ============ */
:root {
    --transition-speed: 0.35s;
    --font-primary: 'Poppins', sans-serif;
    --font-mono: 'Fira Code', 'Courier New', monospace;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.18);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.35);
}

/* Dark Theme (default) */
[data-theme="dark"] {
    --bg-primary: #0b0d17;
    --bg-secondary: #111827;
    --bg-card: #1a1f2e;
    --bg-card-hover: #1f2639;
    --bg-elevated: #232b3e;
    --bg-footer: #090b13;
    --text-primary: #e8eaed;
    --text-secondary: #b0b8c8;
    --text-muted: #6b7280;
    --border-color: #2a3040;
    --border-subtle: #1f2639;
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.45);
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
    --accent-gradient-2: linear-gradient(135deg, #f59e0b, #ef4444, #ec4899);
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.12);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.12);
    --fb-color: #1877f2;
    --fb-bg: rgba(24, 119, 242, 0.1);
    --credential-bg: #1e1b2e;
    --credential-border: #3d3458;
    --credential-pill-bg: #2a2340;
    --credential-pill-text: #c4b5fd;
    --tag-bg: rgba(99, 102, 241, 0.15);
    --tag-text: #a5b4fc;
    --scrollbar-thumb: #3b3f52;
    --scrollbar-track: #1a1f2e;
    --overlay-bg: rgba(0, 0, 0, 0.6);
    --toast-bg: #1f2639;
    --toast-text: #e8eaed;
    --copy-feedback-bg: #10b981;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f5f6fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f9fc;
    --bg-elevated: #ffffff;
    --bg-footer: #1a1d28;
    --text-primary: #1a1d28;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
    --border-subtle: #eef0f4;
    --accent: #4f46e5;
    --accent-light: #6366f1;
    --accent-glow: rgba(79, 70, 229, 0.3);
    --accent-gradient: linear-gradient(135deg, #4f46e5, #7c3aed, #9333ea);
    --accent-gradient-2: linear-gradient(135deg, #f59e0b, #ef4444, #ec4899);
    --success: #059669;
    --success-bg: rgba(5, 150, 105, 0.08);
    --warning: #d97706;
    --warning-bg: rgba(217, 119, 6, 0.08);
    --info: #2563eb;
    --info-bg: rgba(37, 99, 235, 0.08);
    --fb-color: #1877f2;
    --fb-bg: rgba(24, 119, 242, 0.06);
    --credential-bg: #fafafe;
    --credential-border: #e0d7fe;
    --credential-pill-bg: #f5f3ff;
    --credential-pill-text: #5b21b6;
    --tag-bg: rgba(79, 70, 229, 0.08);
    --tag-text: #4f46e5;
    --scrollbar-thumb: #c4c7d0;
    --scrollbar-track: #eef0f4;
    --overlay-bg: rgba(0, 0, 0, 0.3);
    --toast-bg: #1a1d28;
    --toast-text: #ffffff;
    --copy-feedback-bg: #059669;
}

/* ============ RESET & BASE ============ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 7px;
}
::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 10px;
    transition: background 0.3s;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

a {
    color: var(--accent-light);
    text-decoration: none;
    transition: color 0.25s;
}
a:hover {
    color: var(--accent);
    text-decoration: underline;
}

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

/* ============ HEADER ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transition: all var(--transition-speed) ease;
    padding: 0 1.5rem;
}
[data-theme="dark"] .site-header {
    background: rgba(17, 24, 39, 0.82);
    border-bottom: 1px solid rgba(42, 48, 64, 0.6);
}
[data-theme="light"] .site-header {
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid rgba(229, 231, 235, 0.7);
}

.header-inner {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: 1.5rem;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    flex-shrink: 0;
    text-decoration: none;
    color: var(--text-primary);
}
.header-logo:hover {
    text-decoration: none;
}
.header-logo img {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent);
    box-shadow: 0 0 18px var(--accent-glow);
    transition: box-shadow 0.4s;
}
.header-logo:hover img {
    box-shadow: 0 0 30px var(--accent-glow);
}
.header-logo .logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.3px;
}
.header-logo .logo-text span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    flex-shrink: 0;
}
.header-nav a {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 0.4rem 0.7rem;
    border-radius: var(--radius-sm);
    transition: all 0.25s;
    white-space: nowrap;
}
.header-nav a:hover {
    color: var(--accent-light);
    background: var(--tag-bg);
    text-decoration: none;
}
.header-nav a.active {
    color: var(--accent-light);
    font-weight: 600;
}

/* Theme Toggle */
.theme-toggle-btn {
    background: var(--bg-elevated);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    width: 50px;
    height: 28px;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-speed) ease;
    flex-shrink: 0;
    outline: none;
    box-shadow: var(--shadow-sm);
}
.theme-toggle-btn:hover {
    border-color: var(--accent);
    box-shadow: 0 0 16px var(--accent-glow);
}
.theme-toggle-btn .toggle-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-gradient);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    color: #fff;
}
[data-theme="light"] .theme-toggle-btn .toggle-thumb {
    left: 24px;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}
.theme-toggle-btn .toggle-icon-sun,
.theme-toggle-btn .toggle-icon-moon {
    transition: opacity 0.3s;
}
[data-theme="dark"] .toggle-icon-sun { opacity: 0; position: absolute; }
[data-theme="dark"] .toggle-icon-moon { opacity: 1; }
[data-theme="light"] .toggle-icon-sun { opacity: 1; }
[data-theme="light"] .toggle-icon-moon { opacity: 0; position: absolute; }

/* Mobile menu toggle */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.3rem;
}

/* ============ MAIN CONTENT ============ */
.main-content {
    flex: 1;
    max-width: 1300px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem;
}

/* Page hero / section headings */
.page-hero {
    text-align: center;
    padding: 2.5rem 1rem 2rem;
}
.page-hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    letter-spacing: -0.6px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.6rem;
}
.page-hero .subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}
.page-hero .hero-badge {
    display: inline-block;
    background: var(--tag-bg);
    color: var(--tag-text);
    padding: 0.35rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.4px;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

/* Server sections & cards (kept for index page compatibility) */
.server-section {
    margin-bottom: 2.8rem;
}
.section-heading {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 1.3rem;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}
.section-heading .section-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}
.section-icon.own { background: linear-gradient(135deg, #6366f1, #8b5cf6); color: #fff; }
.section-icon.partner { background: linear-gradient(135deg, #10b981, #34d399); color: #fff; }
.section-icon.bdix { background: linear-gradient(135deg, #f59e0b, #f97316); color: #fff; }
.section-icon.livetv { background: linear-gradient(135deg, #ef4444, #f43f5e); color: #fff; }
.section-icon.apps { background: linear-gradient(135deg, #3b82f6, #06b6d4); color: #fff; }

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.1rem;
}

/* Server Card (shared with contact cards) */
.server-card,
.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.2rem 1.3rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    cursor: default;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    overflow: hidden;
}
.server-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.35s;
    border-radius: 0 0 4px 4px;
}
.server-card:hover,
.contact-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(99, 102, 241, 0.15);
    transform: translateY(-3px);
}
.server-card:hover::before {
    opacity: 1;
}
.server-card .card-type-tag {
    font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.7px;
    color: var(--tag-text); background: var(--tag-bg); padding: 0.2rem 0.6rem;
    border-radius: 50px; align-self: flex-start;
}
.server-card .card-url {
    font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-primary);
    word-break: break-all; font-weight: 500; line-height: 1.4;
}
.card-actions {
    display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center;
}

/* Buttons */
.btn-copy,
.btn-visit {
    display: inline-flex; align-items: center; gap: 0.35rem;
    padding: 0.4rem 0.85rem; border-radius: 50px; font-size: 0.78rem; font-weight: 600;
    cursor: pointer; border: 1.5px solid var(--border-color);
    background: var(--bg-elevated); color: var(--text-secondary);
    transition: all 0.25s; font-family: var(--font-primary); white-space: nowrap;
}
.btn-copy:hover {
    border-color: var(--accent); color: var(--accent-light); background: var(--tag-bg);
    box-shadow: 0 0 12px var(--accent-glow);
}
.btn-copy.copied {
    border-color: var(--success) !important; color: #fff !important;
    background: var(--success) !important; animation: copyPop 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}
@keyframes copyPop {
    0% { transform: scale(1); } 40% { transform: scale(1.18); } 100% { transform: scale(1); }
}
.btn-visit {
    border: 1.5px solid var(--accent); background: var(--accent); color: #fff;
}
.btn-visit:hover {
    background: var(--accent-light); border-color: var(--accent-light);
    box-shadow: 0 0 20px var(--accent-glow); text-decoration: none; color: #fff;
}

/* Credential card (for index only) */
.credential-card { border-left: 4px solid #f59e0b; background: var(--credential-bg); border-color: var(--credential-border); }
.credential-card:hover { border-left-color: #fbbf24; box-shadow: 0 12px 36px rgba(245,158,11,0.2); }
.credential-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.cred-pill { display: inline-flex; align-items: center; gap: 0.4rem; background: var(--credential-pill-bg); color: var(--credential-pill-text); padding: 0.35rem 0.7rem; border-radius: 50px; font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500; border: 1px solid var(--credential-border); }
.cred-pill .pill-label { font-family: var(--font-primary); font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; opacity: 0.7; }
.cred-pill .btn-copy-sm { background: none; border: none; cursor: pointer; color: inherit; font-size: 0.7rem; padding: 2px; border-radius: 50%; width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; }
.cred-pill .btn-copy-sm:hover { background: rgba(255,255,255,0.2); color: #fff; }
.cred-pill .btn-copy-sm.copied { color: #10b981 !important; animation: copyPop 0.5s; }

/* Facebook group card */
.fb-card { border-left: 4px solid var(--fb-color); background: var(--fb-bg); }
.fb-card:hover { border-left-color: #4290f7; box-shadow: 0 12px 36px rgba(24,119,242,0.18); }

/* App card */
.app-card { border-left: 4px solid #10b981; }
.app-card:hover { border-left-color: #34d399; box-shadow: 0 12px 36px rgba(16,185,129,0.2); }

/* ============ BACK TO TOP BUTTON ============ */
.back-to-top {
    position: fixed; bottom: 30px; right: 30px; z-index: 999; width: 56px; height: 56px;
    border-radius: 50%; cursor: pointer; border: none; background: var(--bg-card);
    color: var(--text-primary); font-size: 1.3rem; display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-lg); transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    opacity: 0; transform: translateY(20px) scale(0.7); pointer-events: none; overflow: visible;
}
.back-to-top.visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; animation: bounceInUp 0.7s; }
@keyframes bounceInUp {
    0% { transform: translateY(80px) scale(0.5); opacity: 0; }
    50% { transform: translateY(-18px) scale(1.08); opacity: 1; }
    70% { transform: translateY(6px) scale(0.96); }
    85% { transform: translateY(-4px) scale(1.02); }
    100% { transform: translateY(0) scale(1); opacity: 1; }
}
.back-to-top::before {
    content: ''; position: absolute; inset: -5px; border-radius: 50%;
    background: conic-gradient(from 0deg, #6366f1, #8b5cf6, #a855f7, #ec4899, #f59e0b, #6366f1);
    z-index: -1; animation: rotateRing 3s linear infinite; opacity: 0; transition: opacity 0.4s; filter: blur(4px);
}
.back-to-top.visible::before { opacity: 0.75; }
.back-to-top:hover::before { opacity: 1; animation: rotateRing 1.2s linear infinite; filter: blur(2px); }
@keyframes rotateRing { to { transform: rotate(360deg); } }
.back-to-top::after { content: ''; position: absolute; inset: 2px; border-radius: 50%; background: var(--bg-card); z-index: -1; }
.back-to-top:hover { transform: scale(1.12); box-shadow: 0 0 50px var(--accent-glow), 0 12px 40px rgba(99,102,241,0.45); color: #fff; }

/* ============ FOOTER ============ */
.site-footer {
    background: var(--bg-footer); border-top: 1px solid rgba(255,255,255,0.06);
    padding: 1.4rem 1.5rem; margin-top: auto; transition: background var(--transition-speed) ease;
}
[data-theme="light"] .site-footer { background: #1a1d28; border-top: 1px solid rgba(255,255,255,0.08); }
[data-theme="light"] .site-footer, [data-theme="light"] .site-footer a { color: #cbd5e1; }
[data-theme="light"] .site-footer a:hover { color: #fff; }
.footer-inner {
    max-width: 1300px; margin: 0 auto; display: flex; align-items: center;
    justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.footer-left { display: flex; align-items: center; gap: 0.7rem; flex-shrink: 0; }
.footer-left img { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; border: 2px solid rgba(255,255,255,0.3); }
.footer-left .footer-brand { font-weight: 600; font-size: 0.95rem; color: #e8eaed; }
.footer-left .footer-copy { font-size: 0.75rem; color: #94a3b8; margin-left: 0.3rem; }
.footer-right { display: flex; gap: 1.4rem; flex-wrap: wrap; flex-shrink: 0; }
.footer-right a { font-size: 0.82rem; font-weight: 500; color: #cbd5e1; transition: color 0.25s; white-space: nowrap; }
.footer-right a:hover { color: #fff; text-decoration: none; }

/* Toast */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 0.5rem; }
.toast { background: var(--toast-bg); color: var(--toast-text); padding: 0.7rem 1.2rem; border-radius: 50px; font-size: 0.85rem; font-weight: 500; box-shadow: var(--shadow-lg); animation: slideInRight 0.4s ease, fadeOutRight 0.35s ease 1.6s forwards; display: flex; align-items: center; gap: 0.5rem; pointer-events: none; }
@keyframes slideInRight { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fadeOutRight { from { transform: translateX(0); opacity: 1; } to { transform: translateX(80%); opacity: 0; } }

/* ============ CONTACT PAGE SPECIFIC ============ */
.contact-section {
    max-width: 850px;
    margin: 2rem auto;
    padding: 0 1rem;
}
.contact-info-grid {
    display: flex; flex-direction: column; gap: 0.8rem;
    margin: 2rem 0 1.5rem;
}
.contact-card {
    flex-direction: row; align-items: center; gap: 1rem;
    padding: 1rem 1.3rem; cursor: default;
}
.contact-card .contact-icon {
    font-size: 1.6rem; color: var(--accent); width: 2.2rem; text-align: center;
}
.contact-card .contact-detail {
    font-family: var(--font-mono); font-size: 0.95rem; color: var(--text-primary);
    word-break: break-all; flex: 1;
}
.contact-card .btn-copy { margin-left: auto; }

.social-links-section {
    margin-top: 2.5rem;
}
.social-links-section h3 {
    font-size: 1.3rem; font-weight: 700; margin-bottom: 1rem;
    display: flex; align-items: center; gap: 0.5rem;
}
.social-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
}
.social-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.4rem 0.6rem;
    text-align: center;
    transition: all 0.3s;
    display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
    cursor: default;
}
.social-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.social-card .social-icon {
    font-size: 2.2rem;
    transition: transform 0.3s;
}
.social-card:hover .social-icon { transform: scale(1.15); }
.social-card .social-label {
    font-weight: 600; font-size: 0.9rem; color: var(--text-secondary);
}
.social-card .btn-visit {
    margin-top: 0.3rem; padding: 0.35rem 1.1rem; font-size: 0.75rem;
    background: var(--accent); border-color: var(--accent);
}
.social-card .btn-visit:hover { background: var(--accent-light); }

/* Terms page */
.terms-content {
    max-width: 800px; margin: 2rem auto; padding: 0 1rem;
}
.terms-content h2 { font-size: 1.8rem; margin-bottom: 1.2rem; }
.terms-content h3 { font-size: 1.2rem; margin: 1.5rem 0 0.5rem; }
.terms-content p { color: var(--text-secondary); margin-bottom: 1rem; line-height: 1.8; }

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .cards-grid { grid-template-columns: 1fr; }
    .page-hero h1 { font-size: 1.8rem; }
    .header-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--bg-secondary); flex-direction: column; padding: 1rem; border-bottom: 1px solid var(--border-color); gap: 0.5rem; z-index: 999; }
    .header-nav.open { display: flex; }
    .mobile-menu-btn { display: block; }
    .footer-inner { flex-direction: column; text-align: center; gap: 0.8rem; }
    .footer-left { flex-direction: column; gap: 0.3rem; }
    .footer-right { justify-content: center; }
    .back-to-top { bottom: 20px; right: 16px; width: 46px; height: 46px; font-size: 1.1rem; }
    .contact-card { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
    .contact-card .btn-copy { margin-left: 0; align-self: flex-end; }
}
@media (max-width: 480px) {
    .header-inner { height: 56px; padding: 0 0.25rem; }
    .header-logo img { width: 32px; height: 32px; }
    .header-logo .logo-text { font-size: 1rem; }
    .social-links-grid { grid-template-columns: 1fr 1fr; }
}