/* public/css/style.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6c5ce7;
    --primary-dark: #5a4bd1;
    --secondary: #00cec9;
    --dark: #0a0a1a;
    --darker: #050510;
    --card-bg: #12122a;
    --card-bg2: #1a1a35;
    --card-border: #1e1e3f;
    --text: #e0e0e0;
    --text-muted: #7a7a9e;
    --danger: #ff4757;
    --success: #2ed573;
    --warning: #ffa502;
    --gradient: linear-gradient(135deg, #6c5ce7, #00cec9);
    --gradient2: linear-gradient(135deg, #e17055, #fdcb6e);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--darker);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}

.bg-animation {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
    background: var(--darker);
}
.bg-animation::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(108,92,231,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(0,206,201,0.04) 0%, transparent 50%);
    animation: bgPulse 20s ease-in-out infinite;
}
@keyframes bgPulse {
    0%,100% { transform: translate(0,0) }
    50% { transform: translate(-1%,-1%) }
}

/* ===== NAVBAR ===== */
.navbar {
    background: rgba(10,10,26,0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}
.navbar .logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.15rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    letter-spacing: -0.5px;
}
.navbar .logo span { font-size: 1.4rem; }
.nav-links {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}
.nav-links a, .nav-links button {
    color: var(--text);
    text-decoration: none;
    padding: 7px 14px;
    border-radius: 8px;
    transition: all 0.3s;
    border: none;
    background: none;
    font-size: 0.85rem;
    cursor: pointer;
    white-space: nowrap;
}
.nav-links a:hover, .nav-links button:hover {
    background: rgba(108,92,231,0.2);
}
.btn-nav-primary {
    background: var(--gradient) !important;
    color: #fff !important;
    font-weight: 600 !important;
}

/* ===== AUTH PAGES ===== */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 60px);
    padding: 20px;
}
.auth-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 32px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.auth-card h2 {
    text-align: center;
    margin-bottom: 6px;
    font-size: 1.6rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.auth-card .subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 25px;
    font-size: 0.85rem;
}
.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 11px 14px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: var(--text);
    font-size: 0.95rem;
    transition: all 0.3s;
    outline: none;
    -webkit-appearance: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108,92,231,0.15);
}
.form-group input::placeholder { color: #555; }

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 5px;
}
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}
.checkbox-item:hover {
    border-color: var(--primary);
}
.checkbox-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.btn {
    width: 100%;
    padding: 13px;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.btn-primary { background: var(--gradient); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(108,92,231,0.35); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--warning); color: #000; }
.btn-secondary { background: var(--card-bg2); color: var(--text); border: 1px solid var(--card-border); }
.btn-small { width: auto; padding: 5px 12px; font-size: 0.75rem; border-radius: 6px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }
.auth-footer {
    text-align: center;
    margin-top: 18px;
    color: var(--text-muted);
    font-size: 0.85rem;
}
.auth-footer a { color: var(--secondary); text-decoration: none; font-weight: 600; }

/* ===== ALERTS ===== */
.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 0.85rem;
    display: none;
    animation: slideDown 0.3s ease;
    word-break: break-word;
}
.alert.show { display: block; }
.alert-success { background: rgba(46,213,115,0.12); border: 1px solid rgba(46,213,115,0.25); color: var(--success); }
.alert-error { background: rgba(255,71,87,0.12); border: 1px solid rgba(255,71,87,0.25); color: var(--danger); }
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== HERO ===== */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 60px);
    text-align: center;
    padding: 40px 20px;
}
.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(108,92,231,0.15);
    border: 1px solid rgba(108,92,231,0.3);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 1px;
}
.hero h1 {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 12px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.15;
}
.hero p {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    color: var(--text-muted);
    max-width: 550px;
    margin-bottom: 30px;
    line-height: 1.7;
}
.hero .btn { width: auto; padding: 14px 36px; font-size: 1rem; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    max-width: 900px;
    margin-top: 45px;
    width: 100%;
}
.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s;
}
.feature-card:hover { transform: translateY(-4px); border-color: var(--primary); }
.feature-card .icon { font-size: 2.2rem; margin-bottom: 12px; }
.feature-card h3 { margin-bottom: 6px; color: #fff; font-size: 1rem; }
.feature-card p { color: var(--text-muted); font-size: 0.82rem; }

/* ===== DASHBOARD ===== */
.dashboard {
    padding: 20px;
    max-width: 1300px;
    margin: 0 auto;
}
.welcome-banner {
    background: var(--gradient);
    border-radius: 16px;
    padding: 24px 28px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}
.welcome-banner h1 { font-size: clamp(1.2rem, 3vw, 1.6rem); margin-bottom: 4px; }
.welcome-banner p { opacity: 0.9; font-size: 0.9rem; }
.welcome-banner::after {
    content: '👑';
    position: absolute;
    right: 20px; top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    opacity: 0.25;
}

.section-title {
    font-size: 1.2rem;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--card-border);
}

/* ===== MENTORSHIP GRID ===== */
.mentorship-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
    margin-bottom: 25px;
}
.mentorship-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.mentorship-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(108,92,231,0.2);
    border-color: var(--primary);
}
.mentorship-card .mc-icon { font-size: 2.5rem; margin-bottom: 12px; }
.mentorship-card h3 { color: #fff; font-size: 1.1rem; margin-bottom: 6px; }
.mentorship-card p { color: var(--text-muted); font-size: 0.82rem; margin-bottom: 12px; }
.mentorship-card .mc-meta {
    display: flex;
    gap: 12px;
    font-size: 0.78rem;
    color: var(--text-muted);
}
.mc-color-bar {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
}

/* ===== VIDEO LIST ===== */
.video-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 25px;
}
.video-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s;
    cursor: pointer;
}
.video-item:hover {
    border-color: var(--primary);
    background: var(--card-bg2);
    transform: translateX(4px);
}
.video-item .vi-number {
    width: 40px; height: 40px;
    background: var(--gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}
.video-item .vi-info { flex: 1; min-width: 0; }
.video-item .vi-info h4 {
    color: #fff;
    font-size: 0.95rem;
    margin-bottom: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.video-item .vi-info p {
    color: var(--text-muted);
    font-size: 0.78rem;
}
.video-item .vi-play {
    width: 36px; height: 36px;
    background: rgba(108,92,231,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.8rem;
}

/* ===== VIDEO PLAYER ===== */
.player-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 16px;
}
.video-player-wrapper {
    position: relative;
    width: 100%;
    background: #000;
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 16px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.6);
    aspect-ratio: 16/9;
}
.video-player-wrapper video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
}

/* ===== HARDCODED MULTI-LAYER WATERMARK SYSTEM ===== */
.watermark-layer {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 10;
}

/* Layer 1: Moving diagonal watermarks */
.wm-text {
    position: absolute;
    white-space: nowrap;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    pointer-events: none;
    font-family: 'Courier New', monospace;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-shadow: 0 0 4px rgba(0,0,0,0.5);
    will-change: transform;
}

.wm-move-1 {
    color: rgba(255,255,255,0.10);
    font-size: clamp(11px, 1.8vw, 18px);
    animation: wmSlide1 23s linear infinite;
}
.wm-move-2 {
    color: rgba(255,255,255,0.08);
    font-size: clamp(10px, 1.5vw, 16px);
    animation: wmSlide2 31s linear infinite;
}
.wm-move-3 {
    color: rgba(255,255,255,0.12);
    font-size: clamp(12px, 2vw, 20px);
    animation: wmSlide3 19s linear infinite;
}
.wm-move-4 {
    color: rgba(255,255,255,0.07);
    font-size: clamp(9px, 1.3vw, 14px);
    animation: wmSlide4 27s linear infinite;
}
.wm-move-5 {
    color: rgba(255,255,255,0.09);
    font-size: clamp(10px, 1.6vw, 17px);
    animation: wmSlide5 35s linear infinite;
}
.wm-move-6 {
    color: rgba(255,255,255,0.11);
    font-size: clamp(11px, 1.7vw, 19px);
    animation: wmSlide6 22s linear infinite;
}

@keyframes wmSlide1 {
    0% { top: 8%; left: -50%; transform: rotate(-12deg); }
    50% { top: 55%; left: 110%; transform: rotate(-12deg); }
    100% { top: 8%; left: -50%; transform: rotate(-12deg); }
}
@keyframes wmSlide2 {
    0% { top: 75%; left: 120%; transform: rotate(8deg); }
    50% { top: 15%; left: -60%; transform: rotate(8deg); }
    100% { top: 75%; left: 120%; transform: rotate(8deg); }
}
@keyframes wmSlide3 {
    0% { top: 35%; left: -40%; transform: rotate(-5deg); }
    33% { top: 65%; left: 40%; transform: rotate(3deg); }
    66% { top: 20%; left: 80%; transform: rotate(-8deg); }
    100% { top: 35%; left: -40%; transform: rotate(-5deg); }
}
@keyframes wmSlide4 {
    0% { top: 85%; left: -30%; transform: rotate(15deg); }
    50% { top: 5%; left: 100%; transform: rotate(15deg); }
    100% { top: 85%; left: -30%; transform: rotate(15deg); }
}
@keyframes wmSlide5 {
    0% { top: 50%; left: 50%; transform: translate(-50%,-50%) rotate(0deg); opacity: 0.06; }
    25% { top: 10%; left: 85%; opacity: 0.12; }
    50% { top: 80%; left: 15%; transform: translate(-50%,-50%) rotate(10deg); opacity: 0.07; }
    75% { top: 25%; left: 65%; opacity: 0.10; }
    100% { top: 50%; left: 50%; transform: translate(-50%,-50%) rotate(0deg); opacity: 0.06; }
}
@keyframes wmSlide6 {
    0% { top: 45%; left: 110%; transform: rotate(-20deg); }
    50% { top: 60%; left: -50%; transform: rotate(-20deg); }
    100% { top: 45%; left: 110%; transform: rotate(-20deg); }
}

/* Layer 2: Static repeating grid */
.wm-grid-layer {
    position: absolute;
    top: -50%; left: -50%;
    width: 300%; height: 300%;
    display: flex;
    flex-wrap: wrap;
    gap: 60px 80px;
    transform: rotate(-25deg);
    pointer-events: none;
    z-index: 9;
    animation: wmGridShift 120s linear infinite;
}
.wm-grid-item {
    color: rgba(255,255,255,0.025);
    font-size: clamp(10px, 1.2vw, 13px);
    font-family: 'Courier New', monospace;
    font-weight: 600;
    white-space: nowrap;
    user-select: none;
}
@keyframes wmGridShift {
    0% { transform: rotate(-25deg) translateX(0); }
    50% { transform: rotate(-25deg) translateX(-40px); }
    100% { transform: rotate(-25deg) translateX(0); }
}

/* Layer 3: Center pulsing watermark */
.wm-center {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    color: rgba(255,255,255,0.06);
    font-size: clamp(14px, 2.5vw, 28px);
    font-family: 'Courier New', monospace;
    font-weight: 700;
    white-space: nowrap;
    user-select: none;
    pointer-events: none;
    z-index: 11;
    animation: wmPulse 8s ease-in-out infinite;
}
@keyframes wmPulse {
    0%,100% { opacity: 0.04; transform: translate(-50%,-50%) scale(1); }
    50% { opacity: 0.10; transform: translate(-50%,-50%) scale(1.05); }
}

/* Layer 4: Corner stamps */
.wm-corner {
    position: absolute;
    color: rgba(255,255,255,0.08);
    font-size: clamp(8px, 1vw, 11px);
    font-family: 'Courier New', monospace;
    font-weight: 600;
    white-space: nowrap;
    user-select: none;
    pointer-events: none;
    z-index: 11;
}
.wm-corner.tl { top: 8px; left: 10px; }
.wm-corner.tr { top: 8px; right: 10px; }
.wm-corner.bl { bottom: 50px; left: 10px; }
.wm-corner.br { bottom: 50px; right: 10px; }

/* Layer 5: Random position watermarks injected by JS */
.wm-random {
    position: absolute;
    color: rgba(255,255,255,0.07);
    font-size: clamp(10px, 1.4vw, 15px);
    font-family: 'Courier New', monospace;
    font-weight: 700;
    white-space: nowrap;
    user-select: none;
    pointer-events: none;
    z-index: 12;
    transition: all 3s ease;
}

.video-info-panel {
    padding: 16px 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    margin-bottom: 14px;
}
.video-info-panel h3 { color: #fff; margin-bottom: 6px; font-size: 1.1rem; }
.video-info-panel p { color: var(--text-muted); font-size: 0.85rem; }
.video-info-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 10px;
    font-size: 0.78rem;
    color: var(--text-muted);
}
.warning-banner {
    padding: 14px;
    background: rgba(255,71,87,0.08);
    border: 1px solid rgba(255,71,87,0.25);
    border-radius: 10px;
    text-align: center;
    color: var(--danger);
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.5;
}

/* ===== ADMIN PANEL ===== */
.admin-layout {
    display: flex;
    min-height: calc(100vh - 60px);
}
.admin-sidebar {
    width: 220px;
    background: var(--card-bg);
    border-right: 1px solid var(--card-border);
    padding: 14px 0;
    position: sticky;
    top: 60px;
    height: calc(100vh - 60px);
    overflow-y: auto;
    flex-shrink: 0;
}
.admin-sidebar .menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-size: 0.88rem;
}
.admin-sidebar .menu-item:hover,
.admin-sidebar .menu-item.active {
    background: rgba(108,92,231,0.12);
    color: var(--primary);
    border-right: 3px solid var(--primary);
}
.admin-sidebar .menu-item span { font-size: 1.1rem; }
.admin-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    min-width: 0;
}
.mobile-admin-nav {
    display: none;
    overflow-x: auto;
    padding: 10px 16px;
    gap: 6px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--card-border);
}
.mobile-admin-nav button {
    padding: 8px 14px;
    border: 1px solid var(--card-border);
    background: transparent;
    color: var(--text-muted);
    border-radius: 20px;
    font-size: 0.78rem;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s;
}
.mobile-admin-nav button.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ===== STATS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 18px;
    text-align: center;
    transition: all 0.3s;
}
.stat-card:hover { transform: translateY(-2px); }
.stat-card .stat-icon { font-size: 1.8rem; margin-bottom: 8px; }
.stat-card .stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stat-card .stat-label { color: var(--text-muted); font-size: 0.78rem; margin-top: 4px; }

/* ===== TABLES ===== */
.table-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 20px;
}
.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--card-border);
    flex-wrap: wrap;
    gap: 10px;
}
.table-header h3 { font-size: 1rem; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; min-width: 600px; }
th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--card-border);
    font-size: 0.82rem;
}
th {
    background: rgba(108,92,231,0.08);
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.72rem;
    white-space: nowrap;
}
tr:hover { background: rgba(255,255,255,0.015); }

.status-badge {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
}
.badge-active { background: rgba(46,213,115,0.12); color: var(--success); }
.badge-inactive { background: rgba(255,71,87,0.12); color: var(--danger); }
.badge-blocked { background: rgba(255,71,87,0.2); color: #ff6b6b; border: 1px solid rgba(255,71,87,0.3); }
.badge-used { background: rgba(255,165,2,0.12); color: var(--warning); }
.badge-available { background: rgba(0,206,201,0.12); color: var(--secondary); }
.badge-expired { background: rgba(136,136,170,0.12); color: var(--text-muted); }

/* ===== MODAL ===== */
.modal-backdrop {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(5px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 20px;
}
.modal-backdrop.show { display: flex; }
.modal {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 28px;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.modal h3 {
    margin-bottom: 18px;
    font-size: 1.2rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.key-display {
    background: rgba(0,0,0,0.3);
    border: 1px dashed var(--primary);
    border-radius: 8px;
    padding: 10px 14px;
    font-family: 'Courier New', monospace;
    font-size: 0.82rem;
    color: var(--secondary);
    word-break: break-all;
    margin: 6px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}
.copy-btn {
    background: var(--primary);
    border: none;
    color: #fff;
    padding: 4px 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.72rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 50px;
}
.spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--card-border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}
.empty-state .icon { font-size: 3rem; margin-bottom: 12px; opacity: 0.5; }
.empty-state h3 { margin-bottom: 6px; color: var(--text); font-size: 1rem; }
.empty-state p { font-size: 0.85rem; }

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    margin-bottom: 16px;
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
    transition: color 0.2s;
}
.back-btn:hover { color: var(--primary); }

.blocked-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 60px);
    text-align: center;
    padding: 30px;
}
.blocked-screen .icon { font-size: 5rem; margin-bottom: 20px; }
.blocked-screen h1 { color: var(--danger); margin-bottom: 10px; font-size: 1.8rem; }
.blocked-screen p { color: var(--text-muted); max-width: 500px; line-height: 1.6; }

/* ===== HIDE VIDEO DOWNLOAD ===== */
video::-internal-media-controls-download-button { display: none !important; }
video::-webkit-media-controls-download-button { display: none !important; }
video::-webkit-media-controls-overflow-menu { display: none !important; }

/* ===== NO SELECT ===== */
.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--darker); }
::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 10px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .navbar { padding: 10px 14px; }
    .navbar .logo { font-size: 1rem; }
    .navbar .logo span { font-size: 1.2rem; }
    .nav-links a, .nav-links button { padding: 6px 10px; font-size: 0.78rem; }
    .nav-user-name { display: none; }
    
    .dashboard { padding: 14px; }
    .welcome-banner { padding: 18px 20px; }
    .welcome-banner::after { display: none; }
    
    .mentorship-grid { grid-template-columns: 1fr; gap: 12px; }
    .video-item { padding: 12px 14px; gap: 10px; }
    .video-item .vi-number { width: 34px; height: 34px; font-size: 0.8rem; }
    .video-item .vi-info h4 { font-size: 0.88rem; }
    
    .player-container { padding: 10px; }
    .video-player-wrapper { border-radius: 10px; }
    
    .admin-sidebar { display: none; }
    .mobile-admin-nav { display: flex; }
    .admin-content { padding: 16px; }
    .admin-layout { flex-direction: column; }
    
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-card { padding: 14px; }
    .stat-card .stat-number { font-size: 1.4rem; }
    
    .auth-card { padding: 24px; }
    .modal { padding: 22px; margin: 10px; }
    
    .features-grid { grid-template-columns: 1fr; gap: 12px; }
    .feature-card { padding: 18px; }
    
    table { min-width: 500px; }
    th, td { padding: 10px 12px; font-size: 0.78rem; }
}

@media (max-width: 380px) {
    .navbar .logo { font-size: 0.9rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .key-display { font-size: 0.72rem; flex-direction: column; align-items: stretch; }
    .copy-btn { text-align: center; }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .mentorship-grid { grid-template-columns: repeat(2, 1fr); }
    .admin-sidebar { width: 190px; }
}

/* ===== CUSTOM VIDEO CONTROLS ===== */
.video-player-wrapper {
    position: relative;
    width: 100%;
    background: #000;
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 16px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.6);
    aspect-ratio: 16/9;
    cursor: pointer;
    /* Prevent any selection or dragging */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

.video-player-wrapper video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    pointer-events: none; /* Video itself cant be interacted with directly */
}

/* Anti-download shield - transparent overlay above video but below watermarks */
.anti-download-shield {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: calc(100% - 52px); /* Leave space for controls */
    z-index: 8;
    background: transparent;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

/* Custom Controls */
.custom-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    padding: 0;
    z-index: 20;
    opacity: 0;
    transition: opacity 0.3s;
}

.video-player-wrapper:hover .custom-controls,
.video-player-wrapper.show-controls .custom-controls {
    opacity: 1;
}

.controls-progress-wrap {
    position: relative;
    width: 100%;
    height: 5px;
    background: rgba(255,255,255,0.15);
    cursor: pointer;
    transition: height 0.2s;
}
.controls-progress-wrap:hover {
    height: 8px;
}

.controls-progress-buffered {
    position: absolute;
    top: 0; left: 0;
    height: 100%;
    background: rgba(255,255,255,0.2);
    border-radius: 3px;
    transition: width 0.3s;
    pointer-events: none;
}

.controls-progress-played {
    position: absolute;
    top: 0; left: 0;
    height: 100%;
    background: var(--gradient);
    border-radius: 3px;
    transition: width 0.1s linear;
    pointer-events: none;
}

.controls-progress-handle {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
    z-index: 2;
}
.controls-progress-wrap:hover .controls-progress-handle {
    opacity: 1;
}

.controls-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 14px;
}

.controls-left, .controls-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ctrl-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.2s;
    -webkit-user-select: none;
    user-select: none;
}
.ctrl-btn:hover {
    background: rgba(255,255,255,0.15);
}

.ctrl-volume {
    display: flex;
    align-items: center;
    gap: 4px;
}

.volume-slider {
    width: 60px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255,255,255,0.3);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}
.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    cursor: pointer;
}
.volume-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.ctrl-time {
    color: rgba(255,255,255,0.8);
    font-size: 0.75rem;
    font-family: 'Courier New', monospace;
    white-space: nowrap;
}

/* ===== HARDCODED MULTI-LAYER WATERMARK SYSTEM ===== */
.watermark-layer {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none !important;
    overflow: hidden;
    z-index: 10;
}

/* ===== CLEAR VISIBLE WATERMARKS ===== */

/* Moving watermarks - CLEAR TEXT */
.wm-text {
    position: absolute;
    white-space: nowrap;
    user-select: none !important;
    -webkit-user-select: none !important;
    pointer-events: none !important;
    font-family: 'Courier New', monospace;
    font-weight: 800;
    letter-spacing: 1px;
    text-shadow: 
        0 0 3px rgba(0,0,0,0.8),
        0 0 6px rgba(0,0,0,0.5);
}

.wm-move-1 {
    color: rgba(255,255,255,0.18);
    font-size: clamp(13px, 2vw, 22px);
    animation: wmSlide1 23s linear infinite;
}
.wm-move-2 {
    color: rgba(255,255,255,0.15);
    font-size: clamp(12px, 1.8vw, 20px);
    animation: wmSlide2 31s linear infinite;
}
.wm-move-3 {
    color: rgba(255,255,255,0.20);
    font-size: clamp(14px, 2.2vw, 24px);
    animation: wmSlide3 19s linear infinite;
}
.wm-move-4 {
    color: rgba(255,255,255,0.13);
    font-size: clamp(11px, 1.5vw, 18px);
    animation: wmSlide4 27s linear infinite;
}
.wm-move-5 {
    color: rgba(255,255,255,0.16);
    font-size: clamp(12px, 1.8vw, 21px);
    animation: wmSlide5 35s linear infinite;
}
.wm-move-6 {
    color: rgba(255,255,255,0.19);
    font-size: clamp(13px, 2vw, 23px);
    animation: wmSlide6 22s linear infinite;
}

@keyframes wmSlide1 {
    0% { top: 8%; left: -50%; transform: rotate(-12deg); }
    50% { top: 55%; left: 110%; transform: rotate(-12deg); }
    100% { top: 8%; left: -50%; transform: rotate(-12deg); }
}
@keyframes wmSlide2 {
    0% { top: 75%; left: 120%; transform: rotate(8deg); }
    50% { top: 15%; left: -60%; transform: rotate(8deg); }
    100% { top: 75%; left: 120%; transform: rotate(8deg); }
}
@keyframes wmSlide3 {
    0% { top: 35%; left: -40%; transform: rotate(-5deg); }
    33% { top: 65%; left: 40%; transform: rotate(3deg); }
    66% { top: 20%; left: 80%; transform: rotate(-8deg); }
    100% { top: 35%; left: -40%; transform: rotate(-5deg); }
}
@keyframes wmSlide4 {
    0% { top: 85%; left: -30%; transform: rotate(15deg); }
    50% { top: 5%; left: 100%; transform: rotate(15deg); }
    100% { top: 85%; left: -30%; transform: rotate(15deg); }
}
@keyframes wmSlide5 {
    0% { top: 50%; left: 50%; transform: translate(-50%,-50%) rotate(0deg); }
    25% { top: 10%; left: 85%; }
    50% { top: 80%; left: 15%; transform: translate(-50%,-50%) rotate(10deg); }
    75% { top: 25%; left: 65%; }
    100% { top: 50%; left: 50%; transform: translate(-50%,-50%) rotate(0deg); }
}
@keyframes wmSlide6 {
    0% { top: 45%; left: 110%; transform: rotate(-20deg); }
    50% { top: 60%; left: -50%; transform: rotate(-20deg); }
    100% { top: 45%; left: 110%; transform: rotate(-20deg); }
}

/* Grid watermark */
.wm-grid-layer {
    position: absolute;
    top: -50%; left: -50%;
    width: 300%; height: 300%;
    display: flex;
    flex-wrap: wrap;
    gap: 55px 70px;
    transform: rotate(-25deg);
    pointer-events: none !important;
    z-index: 9;
}
.wm-grid-item {
    color: rgba(255,255,255,0.04);
    font-size: clamp(11px, 1.3vw, 14px);
    font-family: 'Courier New', monospace;
    font-weight: 700;
    white-space: nowrap;
    user-select: none !important;
    text-shadow: 0 0 2px rgba(0,0,0,0.5);
}

/* Center pulsing - CLEARLY VISIBLE */
.wm-center {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    color: rgba(255,255,255,0.12);
    font-size: clamp(16px, 3vw, 32px);
    font-family: 'Courier New', monospace;
    font-weight: 800;
    white-space: nowrap;
    user-select: none !important;
    pointer-events: none !important;
    z-index: 11;
    text-shadow: 0 0 5px rgba(0,0,0,0.7);
    animation: wmPulse 8s ease-in-out infinite;
}
@keyframes wmPulse {
    0%,100% { opacity: 0.08; transform: translate(-50%,-50%) scale(1); }
    50% { opacity: 0.18; transform: translate(-50%,-50%) scale(1.05); }
}

/* Corner stamps - CLEAR with background */
.wm-corner {
    position: absolute;
    color: rgba(255,255,255,0.25);
    font-size: clamp(9px, 1.1vw, 13px);
    font-family: 'Courier New', monospace;
    font-weight: 700;
    white-space: nowrap;
    user-select: none !important;
    pointer-events: none !important;
    z-index: 14;
    background: rgba(0,0,0,0.5);
    padding: 3px 8px;
    border-radius: 4px;
    text-shadow: 0 0 3px rgba(0,0,0,0.9);
}
.wm-corner.tl { top: 10px; left: 10px; }
.wm-corner.tr { top: 10px; right: 10px; }
.wm-corner.bl { bottom: 10px; left: 10px; }
.wm-corner.br { bottom: 10px; right: 10px; }

/* Random watermarks */
.wm-random {
    position: absolute;
    color: rgba(255,255,255,0.14);
    font-size: clamp(11px, 1.6vw, 17px);
    font-family: 'Courier New', monospace;
    font-weight: 800;
    white-space: nowrap;
    user-select: none !important;
    pointer-events: none !important;
    z-index: 12;
    transition: all 3s ease;
    text-shadow: 0 0 4px rgba(0,0,0,0.7);
}

/* Canvas watermark */
.wm-canvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 13;
}

/* Fullscreen button */
.fullscreen-btn {
    position: absolute;
    bottom: 12px;
    right: 60px;
    z-index: 15;
    background: rgba(0,0,0,0.6);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.fullscreen-btn:hover {
    background: rgba(108,92,231,0.6);
}

/* Make sure wrapper keeps watermarks in fullscreen */
.video-player-wrapper:fullscreen,
.video-player-wrapper:-webkit-full-screen {
    width: 100vw !important;
    height: 100vh !important;
    border-radius: 0;
    background: #000;
}

.video-player-wrapper:fullscreen .watermark-layer,
.video-player-wrapper:-webkit-full-screen .watermark-layer,
.video-player-wrapper:fullscreen .wm-center,
.video-player-wrapper:-webkit-full-screen .wm-center,
.video-player-wrapper:fullscreen .wm-corner,
.video-player-wrapper:-webkit-full-screen .wm-corner,
.video-player-wrapper:fullscreen .wm-random,
.video-player-wrapper:-webkit-full-screen .wm-random,
.video-player-wrapper:fullscreen .wm-canvas,
.video-player-wrapper:-webkit-full-screen .wm-canvas {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.video-player-wrapper:fullscreen #videoFrame,
.video-player-wrapper:-webkit-full-screen #videoFrame {
    width: 100% !important;
    height: 100% !important;
}

/* Mobile */
@media (max-width: 768px) {
    .wm-corner { 
        font-size: 8px; 
        padding: 2px 5px; 
    }
    .fullscreen-btn {
        width: 32px;
        height: 32px;
        bottom: 8px;
        right: 8px;
    }
}