:root {
    /* Color Palette */
    --primary: #e50914;
    --primary-dark: #b20710;
    --primary-light: #ff1a24;
    
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;
    --bg-card: #1f1f1f;
    --bg-hover: #2a2a2a;
    
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-tertiary: #808080;
    
    --border-color: #2a2a2a;
    
    /* Spacing */
    --container-width: 1400px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.8);
    --shadow-glow: 0 0 30px rgba(229, 9, 20, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==================== HEADER ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.98) 0%, rgba(10, 10, 10, 0.7) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(229, 9, 20, 0.5);
}

.logo-tagline {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.nav {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transform: translateX(-50%);
    transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    width: 60%;
}

.search-container {
    position: relative;
    max-width: 350px;
    flex: 1;
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
    pointer-events: none;
    transition: var(--transition-base);
}

.search-input {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 16px 12px 48px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition-base);
}

.search-input:focus {
    border-color: var(--primary);
    background: var(--bg-secondary);
    box-shadow: 0 0 0 3px rgba(229, 9, 20, 0.1);
}

.search-input:focus + .search-icon {
    color: var(--primary);
}

/* ==================== HERO ==================== */
.hero {
    position: relative;
    height: 85vh;
    min-height: 600px;
    margin-top: 88px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    animation: ken-burns 30s ease-in-out infinite alternate;
}

@keyframes ken-burns {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to right,
        rgba(10, 10, 10, 0.95) 0%,
        rgba(10, 10, 10, 0.7) 50%,
        transparent 100%
    ),
    linear-gradient(
        to top,
        rgba(10, 10, 10, 0.98) 0%,
        transparent 50%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 650px;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-block;
    background: rgba(229, 9, 20, 0.2);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

.hero-meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.hero-meta > div {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.hero-meta svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.rating {
    color: #ffd700 !important;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xl);
}

.hero-tag {
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.hero-tag:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--primary);
    color: var(--text-primary);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition-base);
    outline: none;
}

.btn svg {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
}

/* ==================== TAG FILTER ==================== */
.tag-filter-section {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 88px;
    z-index: 100;
    backdrop-filter: blur(10px);
    max-height: 60px;
    overflow: hidden;
}

.tag-filter-scroll {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--bg-tertiary);
    padding: 4px 0;
    white-space: nowrap;
}

.tag-filter-scroll::-webkit-scrollbar {
    height: 6px;
}

.tag-filter-scroll::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

.tag-filter-scroll::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}

.tag-filter-btn {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-base);
    font-family: inherit;
    flex-shrink: 0;
}

.tag-filter-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--primary);
}

.tag-filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ==================== MAIN CONTENT ==================== */
.main {
    min-height: 60vh;
    padding: var(--spacing-xl) 0;
}

.results-info {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.results-count {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ==================== DRAMA CARDS ==================== */
.drama-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.drama-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-base);
    border: 1px solid transparent;
    position: relative;
}

.drama-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.drama-card-image-container {
    position: relative;
    padding-top: 140%;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.drama-card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.drama-card:hover .drama-card-image {
    transform: scale(1.05);
}

.drama-card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 2;
}

.drama-card-badge svg {
    width: 14px;
    height: 14px;
}

.badge-rating {
    color: #ffd700;
}

.badge-new {
    background: var(--primary);
    color: white;
}

.drama-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.95) 0%,
        rgba(0, 0, 0, 0.5) 50%,
        transparent 100%
    );
    opacity: 0;
    transition: var(--transition-base);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
}

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

.play-button {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transform: scale(0.8);
    opacity: 0;
    transition: var(--transition-base);
}

.drama-card:hover .play-button {
    transform: scale(1);
    opacity: 1;
}

.play-button svg {
    width: 24px;
    height: 24px;
    color: white;
    margin-left: 2px;
}

.drama-card-content {
    padding: var(--spacing-md);
}

.drama-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.6em;
}

.drama-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.drama-card-meta > div {
    display: flex;
    align-items: center;
    gap: 4px;
}

.drama-card-meta svg {
    width: 16px;
    height: 16px;
}

.drama-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.drama-tag {
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-fast);
}

.drama-card:hover .drama-tag {
    background: rgba(229, 9, 20, 0.15);
    border-color: var(--primary);
    color: var(--primary);
}

/* ==================== LOADING & STATES ==================== */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    gap: var(--spacing-md);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-state p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.no-results {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.no-results svg {
    width: 80px;
    height: 80px;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-md);
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.no-results p {
    color: var(--text-secondary);
}

.load-more-container {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.btn-load-more {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-load-more:hover {
    background: var(--bg-hover);
    border-color: var(--primary);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 968px) {
    .drama-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: var(--spacing-md);
    }

    .hero-title {
        font-size: 3rem;
    }

    .nav {
        display: none;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
    }

    .search-container {
        order: 3;
        width: 100%;
        max-width: 100%;
    }

    .hero {
        height: 70vh;
        min-height: 500px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

    .drama-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: var(--spacing-sm);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .drama-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}