/* ================================================
   AnimeStream - Modern Anime Streaming Platform
   ================================================ */

/* Light/Dark Mode Theme Switcher */
.theme-light {
    --bg-primary: #f6f6f8;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-header: rgba(246, 246, 248, 0.8);
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.theme-dark {
    --bg-primary: #161022;
    --bg-secondary: #1f1829;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-header: rgba(22, 16, 34, 0.8);
    --text-primary: #f3f4f6;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.7);
}

:root {
    --primary: #5b13ec;
    --primary-hover: #4a0fc7;
    --primary-light: #7c3aed;
}

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

body {
    font-family: 'Spline Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.5;
}

/* ================================================
   Header & Navigation
   ================================================ */

.header-sticky {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: var(--bg-header);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.header-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0.75rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--primary);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

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

/* ================================================
   Search Bar
   ================================================ */

.search-container {
    position: relative;
    width: 100%;
    max-width: 20rem;
}

.search-input {
    width: 100%;
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    background-color: var(--bg-card);
    border: 1px solid transparent;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(91, 19, 236, 0.1);
}

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

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* ================================================
   Theme Toggle Button
   ================================================ */

.theme-toggle {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background-color: var(--bg-secondary);
    border-color: var(--primary);
}

.theme-toggle span {
    color: var(--text-secondary);
    font-size: 1.25rem;
}

/* ================================================
   Hero Section
   ================================================ */

.hero-section {
    position: relative;
    width: 100%;
    min-height: 400px;
    border-radius: 0.75rem;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    margin-bottom: 2rem;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(22, 16, 34, 0.9) 0%, rgba(22, 16, 34, 0) 50%);
}

.hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    padding: 2.5rem;
    z-index: 10;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-description {
    max-width: 42rem;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn-play {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-play:hover {
    background-color: var(--primary-hover);
    transform: scale(1.05);
}

.btn-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: all 0.2s ease;
}

.btn-list:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* ================================================
   Section Titles
   ================================================ */

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    padding-left: 1rem;
}

/* ================================================
   Anime/Movie Cards
   ================================================ */

.cards-container {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: 1rem;
    scroll-behavior: smooth;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

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

.anime-card {
    flex-shrink: 0;
    width: 12rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.anime-card:hover {
    transform: translateY(-4px);
}

.card-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    border-radius: 0.5rem;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.card-title {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ================================================
   Grid Layout (for listing pages)
   ================================================ */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
}

@media (min-width: 640px) {
    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (min-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }
}

/* ================================================
   Badges
   ================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

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

.badge-success {
    background-color: #10b981;
    color: white;
}

.badge-warning {
    background-color: #f59e0b;
    color: white;
}

.badge-info {
    background-color: #3b82f6;
    color: white;
}

.badge-secondary {
    background-color: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* ================================================
   Buttons
   ================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(91, 19, 236, 0.3);
}

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

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

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: white;
}

/* ================================================
   Filters Section
   ================================================ */

.filters-section {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 1rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 2rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    background-color: rgba(91, 19, 236, 0.05);
}

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

/* ================================================
   Pagination
   ================================================ */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
    padding: 1rem;
}

.pagination-btn {
    min-width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.pagination-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
}

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

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

/* ================================================
   User Profile
   ================================================ */

.profile-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    object-fit: cover;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

.profile-avatar:hover {
    border-color: var(--primary);
    transform: scale(1.05);
}

/* ================================================
   Dropdown Menu
   ================================================ */

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    min-width: 12rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    z-index: 50;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.dropdown-item:hover {
    background-color: var(--bg-card);
    color: var(--primary);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 0.25rem 0;
}

/* ================================================
   Loading Spinner
   ================================================ */

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--bg-card);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ================================================
   Empty State
   ================================================ */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.empty-state-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* ================================================
   Responsive Design
   ================================================ */

@media (max-width: 768px) {
    .header-container {
        padding: 0.75rem 1rem;
    }

    .nav-links {
        display: none;
    }

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

    .hero-content {
        padding: 1.5rem;
    }

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

    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-description {
        font-size: 0.875rem;
    }

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

    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* ================================================
   Scrollbar Styling
   ================================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* ================================================
   Animations
   ================================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in {
    animation: slideIn 0.3s ease-in-out;
}