/* Global Variables */
:root {
    --primary: #fe2c55;
    --secondary: #25f4ee;
    --background: #0f172a;
    --surface: rgba(255, 255, 255, 0.05);
    --surface-hover: rgba(255, 255, 255, 0.1);
    --text: #f8fafc;
    --text-dim: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
}

/* Reset & Body */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--background);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(254, 44, 85, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(37, 244, 238, 0.1) 0%, transparent 40%);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Lang Switcher (Common) */
.lang-switcher-menu {
    position: relative;
    z-index: 1000;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.8rem;
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    backdrop-filter: blur(8px);
    font-family: 'Outfit', sans-serif;
}

.lang-toggle:hover {
    background: var(--surface-hover);
    border-color: var(--secondary);
}

.lang-toggle .current-flag {
    font-size: 1.2rem;
    line-height: 1;
}

.lang-toggle .chevron {
    transition: transform 0.3s;
    color: var(--text-dim);
}

.lang-toggle.active .chevron {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 170px;
    background: var(--surface);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-dim);
    font-size: 0.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lang-options {
    max-height: 300px;
    overflow-y: auto;
    padding: 0.5rem;
}

.lang-options::-webkit-scrollbar {
    width: 6px;
}

.lang-options::-webkit-scrollbar-track {
    background: transparent;
}

.lang-options::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 3px;
}

.lang-options::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.7rem 0.8rem;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    position: relative;
}

.lang-option:hover {
    background: var(--surface-hover);
    transform: translateX(3px);
}

.lang-option.active {
    background: rgba(254, 44, 85, 0.1);
    color: var(--primary);
}

.lang-option .flag {
    font-size: 1.3rem;
    line-height: 1;
}

.lang-option .lang-name {
    flex: 1;
}

.lang-option .check-icon {
    color: var(--primary);
    margin-left: auto;
}

[dir="rtl"] .lang-dropdown {
    right: auto;
    left: 0;
}

[dir="rtl"] .lang-option:hover {
    transform: translateX(-3px);
}

@media (max-width: 640px) {
    .lang-toggle .current-lang {
        display: none;
    }
    .lang-toggle {
        padding: 0.5rem;
    }
    .lang-dropdown {
        right: auto;
        left: 50%;
        transform: translateX(-50%) translateY(-10px);
    }
    .lang-dropdown.show {
        transform: translateX(-50%) translateY(0);
    }
    [dir="rtl"] .lang-dropdown {
        left: 50%;
    }
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Layout Scoping */
.container {
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
    flex: 1;
}

body.page-home .container {
    max-width: 800px;
}

body.page-videos .container {
    max-width: 1000px;
}

body.page-player .container {
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Header Scoping */
body.page-home header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

body.page-videos header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

body.page-player header {
    text-align: center;
    margin-bottom: 2rem;
    width: 100%;
}

/* Footer (Common) */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-dim);
    font-size: 0.9rem;
    border-top: 1px solid var(--glass-border);
    margin-top: auto;
    width: 100%;
}

/* Common Components */
.btn {
    padding: 1rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.2s;
    border: 1px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: scale(1.02);
    filter: brightness(1.1);
}

.btn-outline {
    background: transparent;
    border-color: var(--glass-border);
    color: var(--text);
}

.btn-outline:hover {
    background: var(--surface-hover);
    border-color: var(--secondary);
    color: var(--secondary);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* SEO Content (Common) */
.seo-content {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-dim);
    line-height: 1.6;
    width: 100%;
}

.seo-content h2 {
    color: var(--text);
    margin: 2rem 0 1rem;
    font-size: 1.8rem;
}

.seo-content h3 {
    color: var(--secondary);
    margin: 1.5rem 0 0.8rem;
    font-size: 1.3rem;
}

.seo-content p {
    margin-bottom: 1rem;
}

.seo-content ul {
    margin-bottom: 1.5rem;
    list-style-position: inside;
}

.seo-content li {
    margin-bottom: 0.5rem;
}

/* Page: Index Specifics */
body.page-home .header-link {
    color: var(--primary);
    text-decoration: none;
}

body.page-home .header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

body.page-home .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 1rem;
}

body.page-home .btn-history {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--surface);
    border: 1px solid var(--glass-border);
    color: var(--text);
    padding: 0.6rem 1.2rem;
    border-radius: 12px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s;
}

body.page-home .btn-history:hover {
    background: var(--surface-hover);
    border-color: var(--secondary);
    color: var(--secondary);
}

body.page-home .logo i {
    color: var(--primary);
    filter: drop-shadow(0 0 8px rgba(254, 44, 85, 0.5));
}

body.page-home h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.page-home p.subtitle {
    color: var(--text-dim);
    font-size: 1.1rem;
}

body.page-home .search-box {
    background: var(--surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

body.page-home .search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(254, 44, 85, 0.1), 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

body.page-home .search-box input {
    background: transparent;
    border: none;
    color: white;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    width: 100%;
    outline: none;
}

body.page-home .search-box button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

body.page-home .search-box button:hover {
    transform: scale(1.02);
    filter: brightness(1.1);
}

body.page-home .search-box button:active {
    transform: scale(0.98);
}

body.page-home .result-card {
    background: var(--surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    overflow: hidden;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    margin-top: 2rem;
}

body.page-home .result-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 2rem;
    padding: 2rem;
}

@media (max-width: 640px) {
    body.page-home .result-layout {
        grid-template-columns: 1fr;
    }
    body.page-home .search-box {
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }
    body.page-home .search-box button {
        width: 100%;
        justify-content: center;
    }
    body.page-home h1 { font-size: 2rem; }
}

body.page-home .thumb-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 1;
    background: #000;
}

body.page-home .thumb-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

body.page-home .info-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

body.page-home .user-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.05);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--secondary);
    margin-bottom: 0.5rem;
    width: fit-content;
}

body.page-home .upload-time {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 1.5rem;
}

body.page-home .action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

body.page-home .error-msg {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    margin-top: 1rem;
    animation: shake 0.5s ease-in-out;
}

body.page-home .help-text {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-dim);
    text-align: center;
    line-height: 1.5;
}

body.page-home .faq-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    body.page-home .faq-section {
        grid-template-columns: 1fr;
    }
}

body.page-home .faq-item {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
}

body.page-home .faq-item h4 {
    color: var(--text);
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

/* Page: Videos Specifics */
body.page-videos .logo-section h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(90deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.page-videos .nav-links {
    display: flex;
    gap: 1rem;
}

/* Overriding global btn padding for videos page if needed, but looks close enough. 
   Videos page: padding: 0.6rem 1.2rem; font-size: 0.9rem;
   Index: padding: 1rem; font-size: 1.1rem for search btn?
   Global .btn: padding: 1rem.
   Let's create a specific rule for .btn in videos header/grid if needed.
   Videos page defines .btn { padding: 0.6rem 1.2rem; ... }
   So we should scope that override.
*/
body.page-videos .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

body.page-videos .video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

body.page-videos .video-card {
    background: var(--surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    color: inherit;
    text-decoration: none;
}

body.page-videos .video-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

body.page-videos .video-preview {
    background: #000;
    position: relative;
    overflow: hidden;
}

body.page-videos .video-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    transition: opacity 0.3s;
}

body.page-videos .video-card:hover .video-preview video {
    opacity: 1;
}

body.page-videos .play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    background: var(--primary);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(254, 44, 85, 0.5);
    pointer-events: none;
    transition: transform 0.3s;
}

body.page-videos .video-card:hover .play-icon {
    transform: translate(-50%, -50%) scale(1.1);
}

body.page-videos .video-details {
    padding: 1.2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

body.page-videos .video-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

body.page-videos .meta-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: auto;
}

body.page-videos .meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

body.page-videos .pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

body.page-videos .page-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--surface);
    border: 1px solid var(--glass-border);
    color: var(--text);
    text-decoration: none;
    transition: all 0.2s;
}

body.page-videos .page-link.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

body.page-videos .page-link:hover:not(.active) {
    background: var(--surface-hover);
    border-color: var(--secondary);
    color: var(--secondary);
}

body.page-videos .empty-state {
    text-align: center;
    padding: 5rem 2rem;
    background: var(--surface);
    border-radius: 24px;
    border: 1px dashed var(--glass-border);
}

body.page-videos .empty-icon {
    color: var(--text-dim);
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

@media (max-width: 640px) {
    body.page-videos .container { padding: 1rem; }
    body.page-videos header { flex-direction: column; gap: 1rem; text-align: center; margin-bottom: 2rem; }
    body.page-videos .video-grid { grid-template-columns: 1fr; }
}


/* Page: Player Specifics */
body.page-player .back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    transition: color 0.2s;
}

body.page-player .back-link:hover {
    color: var(--secondary);
}

body.page-player .video-wrapper {
    width: 100%;
    max-width: 500px;
    background: var(--surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

body.page-player video {
    width: 100%;
    display: block;
    border-radius: 24px;
}

body.page-player .controls-overlay {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

body.page-player .video-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

body.page-player .file-name {
    font-size: 0.9rem;
    color: var(--text-dim);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 200px;
}

body.page-player .btn-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    width: 100%;
    margin-top: 1rem;
}

/* Player also overrides .btn padding slightly? 
   Player: pseudo-class used 0.8rem 1.5rem. 
*/
body.page-player .btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.95rem;
}

body.page-player .btn-full {
    grid-column: span 2;
}

body.page-player .error-card {
    background: var(--surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem 2rem;
    text-align: center;
    max-width: 400px;
}

body.page-player .error-icon {
    color: var(--primary);
    margin-bottom: 1.5rem;
}

body.page-player h2 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

body.page-player p.error-desc {
    color: var(--text-dim);
    margin-bottom: 2rem;
}

@media (max-width: 640px) {
    body.page-player .container {
        padding: 1rem;
    }
    body.page-player .video-wrapper {
        border-radius: 20px;
    }
    body.page-player .btn-group {
        grid-template-columns: 1fr;
    }
}