/* ═══════════════════════════════════════════════════════════════
   CinemAI UI - Letterboxd-Inspired Redesign 2026
   Premium cinematic experience with glassmorphism and micro-animations
   ═══════════════════════════════════════════════════════════════ */

/* Google Font Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    /* Color Palette - Inspired by Letterboxd */
    --bg-primary: #0a0a15;
    --bg-secondary: #14181c;
    --bg-elevated: #1a1a2e;

    --accent: #667eea;
    --accent-glow: rgba(102, 126, 234, 0.4);
    --accent-secondary: #e94560;
    --accent-orange: #ff9800;
    --accent-green: #00e054;

    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-hover: rgba(255, 255, 255, 0.08);

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--accent-glow);
}

/* Base Typography */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ═══════════════════════════════════════════════════════════════
   HERO WELCOME SECTION - Immersive Landing
   ═══════════════════════════════════════════════════════════════ */

.hero-welcome {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin: -1rem -1rem 2rem -1rem;
    padding: 2rem;
}

.hero-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-backdrop-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    filter: brightness(0.7);
    transition: opacity 1.5s ease-in-out;
}

.hero-backdrop-image.active {
    opacity: 1;
}

.hero-backdrop::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg,
            rgba(10, 10, 21, 0.2) 0%,
            rgba(10, 10, 21, 0.4) 40%,
            rgba(10, 10, 21, 0.85) 75%,
            rgba(10, 10, 21, 1) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 0.8s ease-out;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.hero-logo-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: var(--shadow-glow);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, var(--accent) 50%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 400;
}

/* Search Box - Premium Style */
.hero-search {
    max-width: 600px;
    margin: 0 auto 2rem;
    position: relative;
}

.hero-search-input {
    width: 100%;
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid var(--glass-border);
    border-radius: 16px;
    padding: 18px 24px;
    padding-left: 56px;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
    outline: none;
    transition: var(--transition-normal);
    resize: none;
    overflow: hidden;
}

.hero-search-input:focus {
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
    background: var(--glass-hover);
}

.hero-search-input::placeholder {
    color: var(--text-muted);
}

.hero-search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    color: var(--text-muted);
    pointer-events: none;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.quick-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.quick-action-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: white;
}

.quick-action-btn i {
    font-size: 1.1rem;
}

/* How to Use Button */
.how-to-use-btn {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-normal);
    cursor: pointer;
    margin-top: 1.5rem;
}

.how-to-use-btn:hover {
    background: var(--glass-hover);
    border-color: var(--accent);
    color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════════
   LEGACY HERO (Fallback)
   ═══════════════════════════════════════════════════════════════ */

.hero-section {
    text-align: center;
    padding: 1.5rem 0 2rem;
    position: relative;
    z-index: 1;
}

/* ═══════════════════════════════════════════════════════════════
   SECTION STYLES
   ═══════════════════════════════════════════════════════════════ */

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
}

.section-title i {
    font-size: 1.3rem;
}

/* ═══════════════════════════════════════════════════════════════
   MOVIE GRID - Glassmorphism Cards
   ═══════════════════════════════════════════════════════════════ */

.movie-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1.5rem;
}

/* Movie Card - Premium Glassmorphism */
.movie-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
}

.movie-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
}

.movie-card.in-cart {
    border-color: var(--accent-green);
    box-shadow: 0 0 20px rgba(0, 224, 84, 0.3);
}

/* Poster Container */
.poster-wrap {
    position: relative;
    overflow: hidden;
}

.poster-wrap img {
    width: 100%;
    aspect-ratio: 2/3;
    object-fit: cover;
    display: block;
    transition: var(--transition-normal);
}

.movie-card:hover .poster-wrap img {
    transform: scale(1.05);
}

/* Poster Overlay on Hover */
.poster-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 12px 12px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    opacity: 0;
    transition: var(--transition-normal);
}

.movie-card:hover .poster-overlay {
    opacity: 1;
}

/* Rating Badge */
.rating-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    padding: 6px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.rating-badge i {
    color: var(--accent-orange);
}

/* Add Button - Premium Style */
.add-btn {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 40px;
    height: 40px;
    background: var(--accent);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.3rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
    z-index: 10;
    opacity: 0;
    transform: scale(0.8);
}

.movie-card:hover .add-btn {
    opacity: 1;
    transform: scale(1);
}

.add-btn:hover {
    background: var(--accent-secondary);
    transform: scale(1.15) !important;
}

.movie-card.in-cart .add-btn {
    background: var(--accent-green);
    opacity: 1;
    transform: scale(1);
}

/* Movie Info */
.movie-info {
    padding: 0.875rem;
}

.movie-title {
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.movie-year {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════
   CAROUSEL SECTION - Horizontal Scroll
   ═══════════════════════════════════════════════════════════════ */

.carousel-section {
    margin-bottom: 2.5rem;
}

.carousel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.carousel-controls {
    display: flex;
    gap: 8px;
}

.carousel-btn {
    width: 36px;
    height: 36px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.carousel-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.carousel-track {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding-bottom: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) transparent;
}

.carousel-track::-webkit-scrollbar {
    height: 4px;
}

.carousel-track::-webkit-scrollbar-track {
    background: var(--glass);
    border-radius: 2px;
}

.carousel-track::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 2px;
}

/* Carousel Card */
.carousel-card {
    flex: 0 0 180px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-normal);
    text-decoration: none;
    color: inherit;
}

.carousel-card:hover {
    transform: scale(1.05);
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
}

.carousel-card img {
    width: 100%;
    aspect-ratio: 2/3;
    object-fit: cover;
}

.carousel-card-info {
    padding: 0.75rem;
}

.carousel-card-title {
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.carousel-card-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.carousel-card-meta i {
    color: var(--accent-orange);
}

/* ═══════════════════════════════════════════════════════════════
   RECOMMENDATIONS SECTION
   ═══════════════════════════════════════════════════════════════ */

.rec-section {
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.08) 0%, transparent 100%);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 1.5rem;
    margin-bottom: 2.5rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 1.25rem;
}

.tag {
    padding: 8px 14px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.tag-genre {
    background: rgba(233, 69, 96, 0.15);
    color: #ff8a9b;
    border: 1px solid rgba(233, 69, 96, 0.3);
}

.tag-director {
    background: rgba(0, 224, 84, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(0, 224, 84, 0.3);
}

.tag-actor {
    background: rgba(255, 152, 0, 0.15);
    color: var(--accent-orange);
    border: 1px solid rgba(255, 152, 0, 0.3);
}

.rec-scroll {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.rec-scroll::-webkit-scrollbar {
    height: 4px;
}

.rec-scroll::-webkit-scrollbar-track {
    background: var(--glass);
}

.rec-scroll::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 2px;
}

.rec-card {
    flex: 0 0 160px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-normal);
}

.rec-card:hover {
    transform: scale(1.05);
    border-color: var(--accent);
}

.rec-card img {
    width: 100%;
    aspect-ratio: 2/3;
    object-fit: cover;
}

.rec-card .info {
    padding: 0.625rem;
}

.rec-card .title {
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rec-card .meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.rec-card .reason {
    background: rgba(102, 126, 234, 0.15);
    padding: 8px 10px;
    font-size: 0.75rem;
    color: var(--accent);
    border-top: 1px solid var(--glass-border);
}

/* ═══════════════════════════════════════════════════════════════
   CART WIDGET - Floating Panel
   ═══════════════════════════════════════════════════════════════ */

.cart-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 360px;
    background: rgba(20, 24, 28, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    overflow: hidden;
}

.cart-header {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    padding: 14px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.cart-header h5 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
}

.cart-count {
    background: white;
    color: var(--accent);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
}

.cart-body {
    max-height: 350px;
    overflow-y: auto;
    display: none;
}

.cart-body.open {
    display: block;
}

.cart-items {
    padding: 14px;
}

.cart-item {
    display: flex;
    gap: 12px;
    background: var(--glass);
    border-radius: 12px;
    padding: 10px;
    margin-bottom: 10px;
    align-items: center;
}

.cart-item img {
    width: 42px;
    height: 63px;
    object-fit: cover;
    border-radius: 8px;
}

.cart-item-info {
    flex: 1;
    min-width: 0;
}

.cart-item-title {
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 6px;
}

.cart-rating {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: white;
    padding: 4px 8px;
    font-size: 0.8rem;
}

.cart-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition-fast);
    padding: 4px;
}

.cart-remove:hover {
    color: var(--accent-secondary);
}

.cart-footer {
    padding: 14px;
    border-top: 1px solid var(--glass-border);
}

.recommend-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    border: none;
    border-radius: 12px;
    padding: 14px;
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.recommend-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.recommend-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ═══════════════════════════════════════════════════════════════
   TOAST NOTIFICATIONS
   ═══════════════════════════════════════════════════════════════ */

.toast-msg {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-elevated);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 14px 24px;
    border-radius: 50px;
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 2000;
}

.toast-msg.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ═══════════════════════════════════════════════════════════════
   MODAL STYLES
   ═══════════════════════════════════════════════════════════════ */

.modal-content {
    background: var(--bg-elevated) !important;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border) !important;
    border-radius: 20px !important;
}

.rating-btns {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.rating-btns button {
    background: var(--glass);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 20px;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

.rating-btns button:hover {
    background: rgba(255, 152, 0, 0.2);
    border-color: var(--accent-orange);
    transform: scale(1.05);
}

/* ═══════════════════════════════════════════════════════════════
   SEARCH CONTAINER - Legacy Support
   ═══════════════════════════════════════════════════════════════ */

#searchContainer {
    max-width: 600px;
    margin: 0 auto 2rem;
    padding: 0 1rem;
    position: relative;
    z-index: 100;
}

#searchBox {
    width: 100%;
    background: var(--glass);
    border: 2px solid var(--glass-border);
    border-radius: 16px;
    padding: 16px 20px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    outline: none;
    transition: var(--transition-normal);
    resize: none;
    overflow: hidden;
}

#searchBox:focus {
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
    background: var(--glass-hover);
}

#searchBox::placeholder {
    color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════
   MOBILE RESPONSIVE STYLES
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-welcome {
        min-height: 60vh;
    }

    .movie-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 1.25rem;
    }

    .carousel-card {
        flex: 0 0 150px;
    }

    .cart-widget {
        width: 340px;
    }
}

@media (max-width: 768px) {
    .hero-welcome {
        min-height: 55vh;
        margin: -0.5rem -0.5rem 1.5rem -0.5rem;
        padding: 1.5rem;
    }

    .hero-title {
        font-size: 2rem;
    }

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

    .hero-search-input {
        padding: 14px 20px 14px 48px;
        font-size: 1rem;
    }

    .quick-actions {
        gap: 0.75rem;
    }

    .quick-action-btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .movie-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.875rem;
    }

    .movie-card {
        border-radius: 12px;
    }

    .movie-card .add-btn {
        opacity: 1;
        transform: scale(1);
    }

    .carousel-card {
        flex: 0 0 130px;
    }

    .rec-section {
        padding: 1.25rem;
        border-radius: 16px;
    }

    .rec-card {
        flex: 0 0 130px;
    }

    .cart-widget {
        width: calc(100% - 24px);
        right: 12px;
        bottom: 12px;
        border-radius: 16px;
    }

    .cart-body {
        max-height: 280px;
    }
}

@media (max-width: 480px) {
    .hero-welcome {
        min-height: 50vh;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-logo-icon {
        width: 48px;
        height: 48px;
        font-size: 1.5rem;
    }

    .movie-grid {
        gap: 0.625rem;
    }

    .movie-info {
        padding: 0.625rem;
    }

    .movie-title {
        font-size: 0.8rem;
    }

    .add-btn {
        width: 36px;
        height: 36px;
    }

    .carousel-card {
        flex: 0 0 110px;
    }

    .rec-card {
        flex: 0 0 110px;
    }

    .cart-widget {
        width: calc(100% - 16px);
        right: 8px;
        bottom: 8px;
    }

    .cart-body {
        max-height: 240px;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .movie-card:hover {
        transform: none;
    }

    .movie-card:active {
        transform: scale(0.98);
    }

    .movie-card .add-btn {
        opacity: 1;
        transform: scale(1);
    }

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

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero-welcome {
        min-height: auto;
        padding: 1rem;
    }

    .cart-widget {
        max-height: 60vh;
    }

    .cart-body {
        max-height: 150px;
    }
}

/* ═══════════════════════════════════════════════════════════════
   LOADING STATES & ANIMATIONS
   ═══════════════════════════════════════════════════════════════ */

.skeleton {
    background: linear-gradient(90deg, var(--glass) 25%, var(--glass-hover) 50%, var(--glass) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 8px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* Smooth page transition */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}