/* ==========================================================================
   CineMove - Design System & Themes (Light & Dark Mode)
   ========================================================================== */

:root {
    /* Color Palette - Dark Theme (Default) */
    --bg-main: #090d16;
    --bg-header: rgba(15, 23, 42, 0.85);
    --bg-card: rgba(30, 41, 59, 0.65);
    --bg-card-hover: rgba(30, 41, 59, 0.9);
    --bg-input: rgba(15, 23, 42, 0.7);
    --bg-modal: rgba(15, 23, 42, 0.95);
    --border-color: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(239, 68, 68, 0.4);

    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    --accent-red: #ef4444;
    --accent-red-hover: #dc2626;
    --accent-gold: #f59e0b;
    --accent-cyan: #06b6d4;

    --badge-nowplaying: rgba(16, 185, 129, 0.2);
    --badge-nowplaying-text: #34d399;
    --badge-upcoming: rgba(239, 68, 68, 0.2);
    --badge-upcoming-text: #f87171;

    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 20px 40px -15px rgba(239, 68, 68, 0.3);
    --backdrop-blur: blur(16px);
}

[data-theme="light"] {
    --bg-main: #f1f5f9;
    --bg-header: rgba(255, 255, 255, 0.9);
    --bg-card: #ffffff;
    --bg-card-hover: #ffffff;
    --bg-input: #e2e8f0;
    --bg-modal: rgba(255, 255, 255, 0.98);
    --border-color: #cbd5e1;
    --border-glow: rgba(225, 29, 72, 0.4);

    --text-main: #0f172a;
    --text-muted: #475569;
    --text-dim: #64748b;

    --accent-red: #e11d48;
    --accent-red-hover: #be123c;

    --badge-nowplaying: rgba(16, 185, 129, 0.15);
    --badge-nowplaying-text: #059669;
    --badge-upcoming: rgba(225, 29, 72, 0.15);
    --badge-upcoming-text: #e11d48;

    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 16px 32px rgba(225, 29, 72, 0.15);
}

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

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Header & Navigation */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-header);
    backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid var(--border-color);
    padding: 0.8rem 1.5rem;
    transition: background 0.3s ease, border-color 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 0 8px var(--accent-red));
}

.logo span {
    color: var(--accent-red);
}

.nav-tabs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.1);
    padding: 4px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.55rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.tab-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    background: var(--accent-red);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.55rem 1rem 0.55rem 2.4rem;
    border-radius: 25px;
    font-size: 0.9rem;
    outline: none;
    width: 200px;
    transition: all 0.3s ease;
}

.search-input:focus {
    width: 260px;
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.search-icon {
    position: absolute;
    left: 0.9rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    pointer-events: none;
}

.genre-select {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.55rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
}

/* Light / Dark Mode Toggle Button */
.theme-toggle-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem 0.9rem;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.25 ease;
    box-shadow: var(--shadow-card);
}

.theme-toggle-btn:hover {
    transform: translateY(-2px);
    border-color: var(--accent-red);
}

/* Main Container & Hero */
main {
    max-width: 1300px;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 4rem;
}

.hero-banner {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 2.5rem;
    background: #0f172a;
    min-height: 380px;
    display: flex;
    align-items: flex-end;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.45;
    filter: brightness(0.85);
    transition: opacity 0.5s ease;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg-main) 0%, rgba(9, 13, 22, 0.4) 60%, transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    padding: 2.5rem;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--accent-red);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
}

.hero-title {
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 0.6rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.95rem;
    color: #e2e8f0;
    margin-bottom: 1rem;
}

.hero-rating {
    color: var(--accent-gold);
    font-weight: 700;
}

.hero-overview {
    font-size: 0.95rem;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1.2rem;
}

.hero-btn {
    background: var(--accent-red);
    color: #fff;
    border: none;
    padding: 0.7rem 1.4rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.hero-btn:hover {
    background: var(--accent-red-hover);
    transform: scale(1.03);
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.4);
}

/* Section Header */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.section-title::before {
    content: '';
    display: block;
    width: 4px;
    height: 1.4rem;
    background: var(--accent-red);
    border-radius: 4px;
}

/* Movie Grid */
.movie-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

.movie-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: var(--shadow-card);
}

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

.poster-box {
    position: relative;
    width: 100%;
    padding-top: 150%; /* 2:3 aspect ratio */
    overflow: hidden;
    background: #1e293b;
}

.poster-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.movie-card:hover .poster-img {
    transform: scale(1.06);
}

.d-day-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 0.35rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 800;
    backdrop-filter: blur(8px);
    z-index: 2;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.d-day-badge.now-playing {
    background: var(--badge-nowplaying);
    color: var(--badge-nowplaying-text);
    border: 1px solid var(--badge-nowplaying-text);
}

.d-day-badge.upcoming {
    background: var(--badge-upcoming);
    color: var(--badge-upcoming-text);
    border: 1px solid var(--badge-upcoming-text);
}

.rating-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(15, 23, 42, 0.85);
    color: var(--accent-gold);
    padding: 0.3rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.2rem;
    backdrop-filter: blur(8px);
    z-index: 2;
}

.card-info {
    padding: 1.1rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-date {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.card-overview {
    font-size: 0.82rem;
    color: var(--text-dim);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-top: auto;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    margin-top: 3rem;
}

.page-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.6rem 1.2rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.page-btn:hover:not(:disabled) {
    background: var(--accent-red);
    color: #fff;
    border-color: var(--accent-red);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-num {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-muted);
    padding: 0 0.5rem;
}

/* Movie Detail Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal-container {
    background: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    transform: scale(0.92);
    transition: transform 0.3s ease;
    color: var(--text-main);
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

.modal-close-btn {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    z-index: 20;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    color: #ffffff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close-btn:hover {
    background: var(--accent-red);
    transform: rotate(90deg);
}

.modal-hero {
    position: relative;
    height: 300px;
    background: #0f172a;
}

.modal-backdrop {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
}

.modal-hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--bg-modal) 0%, transparent 100%);
}

.modal-body {
    padding: 2rem;
    margin-top: -80px;
    position: relative;
    z-index: 10;
}

.modal-header-flex {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.modal-poster {
    width: 150px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    border: 2px solid var(--border-color);
    flex-shrink: 0;
}

.modal-title-area {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.modal-title {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 0.4rem;
}

.modal-tagline {
    font-style: italic;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}

.modal-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

.genre-pill {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.25rem 0.7rem;
    border-radius: 15px;
    font-size: 0.78rem;
    font-weight: 600;
}

.trailer-section {
    margin: 1.5rem 0;
}

.trailer-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 ratio */
    height: 0;
    border-radius: 16px;
    overflow: hidden;
    background: #000;
    box-shadow: var(--shadow-card);
}

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

.cast-section {
    margin-top: 1.5rem;
}

.cast-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 1rem;
    margin-top: 0.8rem;
}

.cast-card {
    text-align: center;
    background: rgba(0, 0, 0, 0.15);
    padding: 0.6rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.cast-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 0.4rem;
    background: #334155;
}

.cast-name {
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cast-character {
    font-size: 0.72rem;
    color: var(--text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Loading & Empty state */
.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
    gap: 1rem;
    color: var(--text-muted);
}

.spinner {
    width: 44px;
    height: 44px;
    border: 4px solid rgba(239, 68, 68, 0.2);
    border-top-color: var(--accent-red);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-tabs {
        overflow-x: auto;
        justify-content: flex-start;
    }
    
    .header-controls {
        justify-content: space-between;
    }
    
    .search-input {
        width: 140px;
    }
    
    .search-input:focus {
        width: 180px;
    }
    
    .hero-title {
        font-size: 1.6rem;
    }
    
    .modal-header-flex {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .modal-poster {
        margin-top: -60px;
    }
}