/* ================ */
/* GLOBAL VARIABLES */
/* ================ */
:root {
    --bg-primary: #0a0a1f;
    --bg-secondary: #0f0f2d;
    --bg-tertiary: #070718;
    --text-primary: #ffffff;
    --text-secondary: #d0d0ff;
    --accent-primary: #00f3ff;
    --accent-secondary: #00a6b3;
    --accent-tertiary: #007780;
    --accent-glow: rgba(0, 243, 255, 0.3);
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --card-bg: rgba(20, 20, 50, 0.6);
    --card-border: rgba(100, 200, 255, 0.15);
    --card-shadow: 0 8px 16px rgba(0, 0, 0, 0.7);
    --header-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --border-radius: 8px;
    --player-bg: rgba(0, 0, 0, 0.95);
    --section-spacing: 3rem;
    --glass-bg: rgba(20, 20, 50, 0.7);
    --glass-border: rgba(100, 200, 255, 0.2);
    --success-color: #00ffc8;
    --error-color: #ff3d71;
    --header-height: 80px;
    --hero-video-crop-scale: 1.35;
    --page-gutter: 5%;
    --video-card-width: 200px;
}

[data-theme="light"] {
    --bg-primary: #e0e9ff;
    --bg-secondary: #d0d9ff;
    --bg-tertiary: #c0c9f0;
    --text-primary: #0a0a2a;
    --text-secondary: #2a2a5a;
    --card-bg: rgba(255, 255, 255, 0.7);
    --card-border: rgba(0, 0, 0, 0.05);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.05);
}

/* =========== */
/* BASE STYLES */
/* =========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Exo 2', sans-serif;
}

img,
video,
iframe {
    max-width: 100%;
}

button,
input {
    font: inherit;
}

h1,
h2,
h3,
h4,
p,
a,
button,
.browser-notice {
    overflow-wrap: anywhere;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    padding-top: var(--header-height);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(100, 50, 255, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(255, 50, 150, 0.1) 0%, transparent 20%),
        radial-gradient(ellipse at center, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
    background-attachment: fixed;
}

html {
    scroll-behavior: smooth;
}

/* Cosmic Nebula Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(100, 80, 255, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(255, 50, 150, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 50% 20%, rgba(0, 200, 255, 0.05) 0%, transparent 25%);
    z-index: -2;
    animation: nebulaPulse 30s infinite alternate;
}

/* Starfield Effect */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(2px 2px at 10% 20%, #fff, transparent),
        radial-gradient(2px 2px at 20% 90%, #fff, transparent),
        radial-gradient(2px 2px at 40% 70%, #fff, transparent),
        radial-gradient(2px 2px at 60% 10%, #fff, transparent),
        radial-gradient(2px 2px at 80% 50%, #fff, transparent),
        radial-gradient(2px 2px at 90% 30%, #fff, transparent),
        radial-gradient(2px 2px at 30% 60%, #fff, transparent),
        radial-gradient(2px 2px at 70% 80%, #fff, transparent);
    background-size: 200px 200px;
    z-index: -1;
    animation: starTwinkle 4s infinite;
}

/* =============== */
/* UTILITY CLASSES */
/* =============== */
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 0 15px rgba(0, 200, 255, 0.1);
    transition: var(--transition);
}

.neon-text {
    text-shadow: 0 0 8px var(--accent-primary), 0 0 16px rgba(0, 243, 255, 0.5);
}

.pulse {
    animation: pulseGlow 3s infinite ease-in-out;
}

.futuristic-glow {
    position: relative;
    overflow: hidden;
}

.futuristic-glow::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0,243,255,0.2) 0%, rgba(0,243,255,0) 70%);
    transform: rotate(30deg);
    animation: rotateGlow 20s linear infinite;
    z-index: -1;
}

/* ================== */
/* BROWSER POPUP STYLE */
/* ================== */
.popup-container {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(10, 15, 40, 0.9);
    border-radius: 16px;
    padding: 15px 20px;
    z-index: 2000;
    transform: translateX(120%);
    transition: transform 0.4s ease-out;
    max-width: 320px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--accent-primary);
    box-shadow: 0 5px 25px rgba(0, 243, 255, 0.3);
}

.popup-container.show {
    transform: translateX(0);
}

.popup-content {
    display: flex;
    flex-direction: column;
}

.popup-icon {
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: 10px;
    text-align: center;
    text-shadow: 0 0 10px var(--accent-primary);
}

.popup-content h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: white;
    font-family: 'Orbitron', sans-serif;
}

.popup-content p {
    font-size: 0.9rem;
    color: #ddd;
    margin-bottom: 12px;
    line-height: 1.4;
}

.highlight {
    color: #ffff00;
    font-weight: 600;
    text-shadow: 0 0 5px #ffff00;
}

.popup-progress {
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 5px;
}

.popup-progress::after {
    content: '';
    display: block;
    height: 100%;
    width: 100%;
    background: var(--accent-primary);
    animation: progressBar 3s linear forwards;
}

@keyframes progressBar {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

/* ============= */
/* HEADER STYLES */
/* ============= */
header {
    background: transparent;
    padding: 1rem var(--page-gutter);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: transform 0.3s ease, background 0.3s ease;
    will-change: transform;
    border-bottom: 1px solid rgba(7, 7, 7, 0.2);
}

header.hide {
    transform: translateY(-100%);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    flex: 0 0 auto;
}

.logo img {
    height: 2.5rem;
    transition: var(--transition);
    filter: drop-shadow(0 0 5px var(--accent-primary));
}

.logo h1 {
    font-size: 1.75rem;
    background: linear-gradient(90deg, #ffffff, #d0f0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
    letter-spacing: 0;
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 10px rgba(0, 200, 255, 0.5);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

nav {
    flex: 1 1 20rem;
    min-width: 0;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 0.65rem 1.25rem;
    justify-content: center;
    flex-wrap: wrap;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
    text-transform: uppercase;
    font-size: 0.9rem;
    font-family: 'Orbitron', sans-serif;
    white-space: nowrap;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition);
    box-shadow: 0 0 5px var(--accent-primary);
}

nav a:hover::after, 
nav a.active::after {
    width: 100%;
}

nav a:hover, 
nav a.active {
    color: var(--text-primary);
    text-shadow: 0 0 5px var(--accent-primary);
}

.user-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    justify-content: flex-end;
    flex: 1 1 18rem;
    min-width: 0;
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    align-items: center;
    background: rgba(100, 150, 255, 0.08);
    border-radius: 50px;
    padding: 0.5rem 1rem;
    transition: var(--transition);
    border: 1px solid transparent;
    flex: 1 1 10rem;
    max-width: 16rem;
    min-width: 9rem;
    min-height: 2.5rem;
}

.search-box:focus-within {
    background: rgba(100, 150, 255, 0.12);
    box-shadow: 0 0 0 2px var(--accent-glow);
    border-color: var(--accent-primary);
}

.search-box input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 0.25rem 0.5rem;
    width: 100%;
    min-width: 0;
    font-size: 0.95rem;
}

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.search-box input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.search-box input:focus {
    outline: none;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    padding: 0.25rem 0.5rem;
    border-radius: 50px;
}

.user-profile:hover {
    background: rgba(100, 150, 255, 0.1);
}

.avatar {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    overflow: hidden;
    color: white;
    font-size: 1.2rem;
    position: relative;
    box-shadow: 0 0 10px var(--accent-primary);
}

.avatar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    box-shadow: 0 0 15px var(--accent-primary);
    opacity: 0.7;
    animation: pulseGlow 3s infinite;
}

/* ================= */
/* THEME TOGGLE STYLE */
/* ================= */
.theme-toggle {
    background: rgba(100, 150, 255, 0.1);
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 5px rgba(100, 200, 255, 0.3);
    flex: 0 0 2.5rem;
}

.theme-toggle::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(0, 243, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.theme-toggle:hover {
    color: var(--text-primary);
    background: rgba(100, 150, 255, 0.2);
    transform: rotate(30deg);
    box-shadow: 0 0 15px var(--accent-primary);
}

.theme-toggle:hover::after {
    transform: translateX(100%);
}

/* ============== */
/* HERO BANNER */
/* ============== */
.hero-banner {
    position: relative;
    height: calc(100svh - var(--header-height));
    min-height: 560px;
    display: flex;
    align-items: center;
    padding: 2rem var(--page-gutter);
    overflow: hidden;
    background-color: transparent;
    color: white;
    z-index: 1;
    perspective: 1000px;
}

.hero-banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('assets/cover.jpg') center/cover no-repeat;
    opacity: 0.05;
    z-index: -1;
}

.hero-banner::after {
    display: none !important;
}

.background-video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%) scale(var(--hero-video-crop-scale));
    transform-origin: center;
    z-index: -1;
    opacity: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: #fff;
    text-align: left;
    max-width: min(42rem, 58%);
    animation: fadeInUp 1.5s ease-out;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    font-weight: 800;
    font-family: 'Orbitron', sans-serif;
    color: #fff;
    /* text-shadow: 0 0 15px rgba(242, 245, 245, 0.5); */
    letter-spacing: 1px;
}

.hero-meta {
    display: flex;
    gap: 0.5rem 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    font-size: 1rem;
    color: #d0f0ff;
}

.hero-meta span:not(:last-child)::after {
    content: "•";
    margin-left: 1rem;
    color: var(--accent-primary);
}

.hero-content p {
    font-size: 1rem;
    color: rgba(208, 240, 255, 0.85);
    margin-bottom: 2rem;
    line-height: 1.6;
    max-width: min(34rem, 100%);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.browser-notice {
    flex: 1 1 100%;
    max-width: 36rem;
    color: rgba(208, 240, 255, 0.85);
    font-size: 0.85rem;
    line-height: 1.4;
}

/* =================== */
/* BUTTON STYLES */
/* =================== */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    will-change: transform;
    position: relative;
    overflow: hidden;
    z-index: 1;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 1px;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    z-index: -1;
}

.btn:hover::after {
    transform: translateX(100%);
}

.btn-primary {
    background: var(--accent-gradient);
    color: #0a0a2a;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.5);
}

.btn-secondary {
    background: rgba(100, 150, 255, 0.2);
    color: white;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(100, 200, 255, 0.3);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 243, 255, 0.5);
}

.btn:active {
    transform: translateY(1px);
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30, 30, 70, 0.7);
    border: 1px solid rgba(100, 200, 255, 0.2);
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
    box-shadow: 0 0 5px rgba(100, 200, 255, 0.3);
}

.icon-btn:hover {
    background: rgba(50, 50, 100, 0.7);
    transform: scale(1.1);
    box-shadow: 0 0 15px var(--accent-primary);
}

/* ================= */
/* CONTENT SECTIONS */
/* ================= */
.content-section {
    padding: var(--section-spacing) var(--page-gutter);
    position: relative;
}

.section-header {
    margin-bottom: 1.5rem;
}

.section-header h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    font-weight: 700;
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 1px;
}

.section-header h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 2px;
    box-shadow: 0 0 8px var(--accent-primary);
}

/* ============= */
/* CAROUSEL STYLES */
/* ============= */
.carousel {
    position: relative;
    overflow: hidden;
}

.carousel-container {
    display: flex;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    gap: 1rem;
    padding: 0.5rem 0;
    padding-bottom: 1.5rem;
    scroll-padding-inline: var(--page-gutter);
    scroll-snap-type: x proximity;
}

.carousel-container::-webkit-scrollbar {
    display: none;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(0, 10, 30, 0.7);
    border-radius: 50%;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    border: none;
    opacity: 0;
    transition: var(--transition);
    backdrop-filter: blur(5px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--accent-primary);
}

.carousel-arrow.left {
    left: 0.5rem;
}

.carousel-arrow.right {
    right: 0.5rem;
}

.carousel-arrow:hover {
    background: var(--accent-primary);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 25px var(--accent-primary);
    color: #0a0a2a;
}

.carousel:hover .carousel-arrow {
    opacity: 1;
}

/* ================= */
/* VIDEO CARD STYLES - UPDATED FOR OTT EFFECT */
/* ================= */
.video-card {
    position: relative;
    width: var(--video-card-width);
    aspect-ratio: 2 / 3;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    transform-origin: center;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    flex: 0 0 var(--video-card-width);
    transform-origin: center bottom;
    will-change: transform;
    scroll-snap-align: start;
}

.video-card:hover {
    transform: scale(1.05);
    z-index: 5;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 30px var(--accent-glow);
    border-color: rgba(0, 243, 255, 0.5);
}

.video-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.3s ease;
}

.video-card:hover .video-thumbnail {
    transform: scale(1.08);
}

.card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent-primary);
    color: #0a0a2a;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    font-family: 'Orbitron', sans-serif;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 20, 0.9) 0%, transparent 50%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 1.2rem;
    color: white;
    z-index: 1;
}

.video-card:hover .video-overlay {
    opacity: 1;
}

.overlay-content {
    transform: translateY(10px);
    transition: transform 0.3s ease;
    opacity: 0;
}

.video-card:hover .overlay-content {
    transform: translateY(0);
    opacity: 1;
}

.card-title {
    color: white;
    font-weight: bold;
    font-size: 1.1rem;
    margin-bottom: 8px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
    line-height: 1.2;
}

.card-meta {
    display: flex;
    gap: 0.8rem;
    font-size: 0.8rem;
    margin-bottom: 0.8rem;
    color: #d0f0ff;
    flex-wrap: wrap;
}

.card-meta span:not(:last-child)::after {
    content: "•";
    margin-left: 0.8rem;
    color: var(--accent-primary);
}

.card-description {
    font-size: 0.75rem;
    line-height: 1.4;
    color: #ccc;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
}

.card-actions {
    display: flex;
    gap: 0.8rem;
    justify-content: center;
}

.action-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(100, 150, 255, 0.2);
    color: white;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(100, 200, 255, 0.2);
}

.action-btn:hover {
    background: rgba(100, 150, 255, 0.3);
    transform: scale(1.1);
    box-shadow: 0 0 10px var(--accent-primary);
}

.action-btn.play {
    background: var(--accent-primary);
    color: #0a0a2a;
}

.action-btn.play:hover {
    background: #00d0ff;
}

/* ============= */
/* VIDEO MODAL */
/* ============= */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 10, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(20px);
}

.video-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    width: min(90vw, 1200px);
    max-width: 1200px;
    max-height: calc(100svh - 4rem);
    position: relative;
    animation: scaleIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-origin: center;
    border: 1px solid var(--accent-primary);
    box-shadow: 0 0 50px rgba(0, 243, 255, 0.3);
    border-radius: var(--border-radius);
}

.close-modal {
    position: absolute;
    top: -3rem;
    right: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    background: rgba(100, 150, 255, 0.2);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(5px);
    border: 1px solid var(--accent-primary);
}

.close-modal:hover {
    background: var(--accent-primary);
    transform: rotate(90deg);
    color: #0a0a2a;
}

.video-container {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 0 60px rgba(0, 198, 255, 0.5);
    border: 1px solid rgba(0, 198, 255, 0.3);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ============ */
/* MY LIST SECTION */
/* ============ */
.my-list-section {
    padding: var(--section-spacing) var(--page-gutter);
}

.empty-list {
    text-align: center;
    color: var(--text-secondary);
    padding: 3rem;
    background: rgba(20, 20, 50, 0.5);
    border-radius: var(--border-radius);
    border: 1px dashed var(--accent-primary);
}

.empty-list i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--accent-primary);
    opacity: 0.7;
    text-shadow: 0 0 10px var(--accent-primary);
}

.empty-list h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-family: 'Orbitron', sans-serif;
}

.empty-list p {
    font-size: 1rem;
    opacity: 0.8;
}

/* ============== */
/* FOOTER STYLES */
/* ============== */
footer {
    background: var(--bg-tertiary);
    padding: 3rem var(--page-gutter);
    margin-top: 3rem;
    position: relative;
    z-index: 10;
    border-top: 1px solid rgba(100, 200, 255, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-column h4 {
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    font-size: 1.125rem;
    font-weight: 600;
    position: relative;
    padding-bottom: 0.5rem;
    font-family: 'Orbitron', sans-serif;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 2rem;
    height: 2px;
    background: var(--accent-primary);
    box-shadow: 0 0 5px var(--accent-primary);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
    display: inline-block;
}

.footer-column a:hover {
    color: var(--text-primary);
    transform: translateX(5px);
    text-shadow: 0 0 5px var(--accent-primary);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(100, 200, 255, 0.1);
    color: var(--text-secondary);
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ================= */
/* AUTH PAGES STYLES */
/* ================= */
.login-container, .logout-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
    position: relative;
}

.login-form, .logout-content {
    background: var(--glass-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    width: 100%;
    max-width: 400px;
    text-align: center;
    position: relative;
    z-index: 10;
    animation: fadeIn 0.5s ease;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
}

.login-form h2 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-family: 'Orbitron', sans-serif;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

.login-form p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1.25rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.login-btn, .logout-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--accent-gradient);
    color: #0a0a2a;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    margin-top: 1rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 1px;
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.3);
}

.login-btn::after, .logout-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    z-index: -1;
}

.login-btn:hover, .logout-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 243, 255, 0.5);
}

.login-btn:hover::after, .logout-btn:hover::after {
    transform: translateX(100%);
}

.form-footer {
    margin-top: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-footer a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
}

.error-message {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: -0.5rem;
    margin-bottom: 1rem;
    text-align: left;
    display: none;
}

.success-message {
    color: var(--success-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    text-align: center;
    display: none;
}

.login-bg, .logout-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, #0a0a1f, #000);
    z-index: 1;
    opacity: 1;
}

/* ================== */
/* LOADING SPINNER */
/* ================== */
.loader {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 10, 0.95);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(100, 200, 255, 0.1);
    border-radius: 50%;
    border-top: 5px solid var(--accent-primary);
    animation: spin 1.2s linear infinite;
    position: relative;
    box-shadow: 0 0 20px var(--accent-primary);
}

.spinner::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--accent-secondary);
    animation: spin 1.5s linear infinite;
}

/* ================== */
/* ANIMATIONS */
/* ================== */
@keyframes pulseGlow {
    0% { box-shadow: 0 0 10px rgba(0, 243, 255, 0.5); transform: scale(1); }
    50% { box-shadow: 0 0 20px rgba(0, 243, 255, 0.8); transform: scale(1.05); }
    100% { box-shadow: 0 0 10px rgba(0, 243, 255, 0.5); transform: scale(1); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(2rem); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(1rem); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes rotateGlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes starTwinkle {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

@keyframes nebulaPulse {
    0% { 
        background-position: 0% 0%;
        opacity: 0.5;
    }
    50% {
        background-position: 50% 50%;
        opacity: 0.8;
    }
    100% {
        background-position: 100% 100%;
        opacity: 0.5;
    }
}

/* ================== */
/* RESPONSIVE DESIGN */
/* ================== */
@media (max-width: 1180px) {
    :root {
        --page-gutter: 3.5%;
        --video-card-width: 185px;
    }

    header {
        align-items: flex-start;
    }

    nav {
        order: 3;
        flex-basis: 100%;
    }

    nav ul {
        justify-content: flex-start;
    }

    .user-actions {
        flex: 1 1 20rem;
    }
}

@media (max-width: 1024px) {
    :root {
        --page-gutter: 1.5rem;
        --video-card-width: 175px;
    }

    .hero-banner {
        min-height: 520px;
    }

    .hero-content {
        max-width: 70%;
    }

    .hero-content h2 {
        font-size: 2rem;
    }
    
    .section-header h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    :root {
        --page-gutter: 1rem;
        --section-spacing: 2rem;
        --video-card-width: 160px;
        --hero-video-crop-scale: 1.45;
    }

    body {
        padding-top: var(--header-height);
    }

    header {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        gap: 0.75rem;
        padding: 0.75rem var(--page-gutter);
    }

    .logo {
        gap: 0.55rem;
    }

    .logo img {
        height: 2rem;
    }

    .logo h1 {
        font-size: 1.35rem;
    }

    nav {
        grid-column: 1 / -1;
        order: initial;
        width: 100%;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    nav::-webkit-scrollbar {
        display: none;
    }

    nav ul {
        gap: 0.85rem;
        flex-wrap: nowrap;
        justify-content: flex-start;
        margin: 0;
        min-width: max-content;
        padding-bottom: 0.15rem;
    }

    nav a {
        font-size: 0.78rem;
        padding: 0.35rem 0;
    }

    .user-actions {
        grid-column: 1 / -1;
        width: 100%;
        justify-content: stretch;
        gap: 0.6rem;
    }

    .search-box {
        max-width: none;
        flex: 1 1 12rem;
    }

    .auth-buttons {
        flex: 1 1 auto;
        justify-content: flex-end;
    }

    .auth-buttons .btn {
        flex: 1 1 6.5rem;
        justify-content: center;
    }

    .user-profile {
        margin-left: auto;
    }

    .hero-banner {
        height: auto;
        min-height: calc(100svh - var(--header-height));
        align-items: flex-end;
        padding-block: 2rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-content h2 {
        font-size: 1.8rem;
    }

    .hero-meta {
        gap: 0.5rem 0.75rem;
        margin-bottom: 1rem;
    }

    .hero-content p {
        font-size: 0.9rem;
        max-width: 100%;
        display: -webkit-box;
        -webkit-line-clamp: 4;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .hero-buttons {
        flex-direction: row;
        gap: 0.75rem;
    }

    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }

    .modal-content {
        width: 95vw;
        max-height: calc(100svh - 3rem);
    }

    .close-modal {
        top: -2.75rem;
        width: 2.35rem;
        height: 2.35rem;
    }

    .video-overlay,
    .video-card:hover .video-overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(0, 0, 20, 0.92) 0%, rgba(0, 0, 20, 0.32) 48%, transparent 78%);
    }

    .overlay-content,
    .video-card:hover .overlay-content {
        opacity: 1;
        transform: none;
    }

    .video-card:hover {
        transform: none;
    }

    .carousel-arrow {
        opacity: 1;
    }

    .user-profile span {
        display: none;
    }

    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .login-form,
    .logout-content {
        padding: 1.5rem;
    }
}

@media (max-width: 576px) {
    :root {
        --page-gutter: 0.875rem;
        --video-card-width: min(78vw, 220px);
    }

    .popup-container {
        top: 0.75rem;
        right: 0.75rem;
        left: 0.75rem;
        max-width: none;
        padding: 0.85rem 1rem;
    }

    header {
        gap: 0.55rem;
    }

    .logo h1 {
        font-size: 1.1rem;
    }

    .theme-toggle,
    .avatar,
    .icon-btn {
        width: 2.25rem;
        height: 2.25rem;
    }

    .search-box {
        order: 3;
        flex-basis: 100%;
        min-width: 100%;
        padding: 0.45rem 0.85rem;
    }

    .auth-buttons {
        flex: 1 1 100%;
    }

    .auth-buttons .btn {
        min-height: 2.5rem;
        padding: 0.65rem 0.8rem;
    }

    nav ul {
        gap: 0.7rem;
    }

    nav a {
        font-size: 0.72rem;
    }

    .hero-banner {
        padding-block: 1.4rem;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .hero-meta {
        font-size: 0.82rem;
    }

    .hero-meta span:not(:last-child)::after,
    .card-meta span:not(:last-child)::after {
        content: "";
        margin-left: 0;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .browser-notice {
        font-size: 0.8rem;
    }

    .section-header h3 {
        font-size: 1.15rem;
        line-height: 1.25;
    }

    .carousel-container {
        gap: 0.75rem;
    }

    .video-overlay {
        padding: 0.9rem;
    }

    .card-title {
        font-size: 1rem;
    }

    .card-meta {
        gap: 0.45rem;
        font-size: 0.74rem;
    }

    .card-actions {
        gap: 0.55rem;
    }

    .action-btn {
        width: 34px;
        height: 34px;
    }

    .empty-list {
        padding: 2rem 1rem;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    footer {
        padding-block: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .login-container,
    .logout-container {
        padding: 1rem;
        min-height: 100svh;
    }

    .login-form,
    .logout-content {
        padding: 1.25rem;
    }

    .logout-icon {
        font-size: 3rem;
    }
}

@media (max-width: 380px) {
    :root {
        --page-gutter: 0.75rem;
        --video-card-width: 82vw;
    }

    .logo h1 {
        font-size: 1rem;
    }

    .logo img {
        height: 1.85rem;
    }

    .auth-buttons .btn {
        flex-basis: 100%;
    }

    .hero-content h2 {
        font-size: 1.35rem;
    }
}

@media (hover: hover) and (pointer: fine) {
    .carousel:hover .carousel-arrow {
        opacity: 1;
    }
}