@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* --- Theme Variables --- */
:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --accent-color: #6366f1; /* Indigo */
    --accent-hover: #4f46e5;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --card-bg: rgba(17, 24, 39, 0.7);
    --card-border: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(17, 24, 39, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: 15px;
    --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
    --sidebar-w: 280px;
    --font-family: 'Plus Jakarta Sans', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --accent-color: #4f46e5;
    --accent-hover: #3730a3;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-border: rgba(0, 0, 0, 0.06);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.06);
    --glass-blur: 15px;
    --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.1);
}

/* --- Base Styles --- */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-family);
    transition: background-color 0.4s, color 0.4s;
    overflow-x: hidden;
    margin: 0;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* --- Utilities & Glassmorphism --- */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-premium);
}

.text-gradient {
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- Navigation & Theme Toggle --- */
.navbar-brand {
    font-weight: 800;
    letter-spacing: -0.5px;
}
.theme-toggle-btn {
    border-radius: 50%;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--card-border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-smooth);
}
.theme-toggle-btn:hover {
    transform: rotate(45deg) scale(1.05);
    border-color: var(--accent-color);
}

/* --- Photo Grid & Gallery Cards --- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    padding: 24px 0;
}

.gallery-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    height: 380px;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.gallery-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.8);
}

.gallery-card:hover img {
    transform: scale(1.08);
}

.gallery-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(11, 15, 25, 0.95) 0%, rgba(11, 15, 25, 0.4) 50%, rgba(11, 15, 25, 0) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.gallery-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.gallery-card-desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.gallery-card-meta {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Light Mode Card Adjustments */
[data-theme="light"] .gallery-card-overlay {
    background: linear-gradient(to top, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.5) 60%, rgba(255, 255, 255, 0) 100%);
}
[data-theme="light"] .gallery-card-title {
    color: #0f172a;
}
[data-theme="light"] .gallery-card-desc {
    color: #475569;
}
[data-theme="light"] .gallery-card-meta {
    color: #94a3b8;
}

/* --- Premium Lightbox (Popup) --- */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    background: rgba(8, 10, 18, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.lightbox-content-container {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-image-wrapper {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-modal img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: 8px;
    animation: zoomIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 10;
}
.lightbox-nav-btn:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-50%) scale(1.1);
}
.lightbox-prev { left: -70px; }
.lightbox-next { right: -70px; }

.lightbox-close-btn {
    position: absolute;
    top: -55px;
    right: 0;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    background: none;
    border: none;
    transition: var(--transition-smooth);
}
.lightbox-close-btn:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

.lightbox-meta-panel {
    background: rgba(17, 24, 39, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 16px 24px;
    width: 100%;
    margin-top: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lightbox-info h4 {
    margin: 0 0 4px 0;
    font-weight: 700;
    color: #fff;
}
.lightbox-info p {
    margin: 0;
    font-size: 0.85rem;
    color: #9ca3af;
}

.lightbox-actions {
    display: flex;
    gap: 12px;
}

/* Share Dropdown Options */
.share-menu-container {
    position: relative;
}

/* --- Admin Sidebar Layout --- */
.admin-container {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: var(--sidebar-w);
    background: var(--bg-secondary);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    padding: 24px;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    transition: var(--transition-smooth);
}

.admin-main {
    flex: 1;
    margin-left: var(--sidebar-w);
    padding: 40px;
    background: var(--bg-primary);
    min-height: 100vh;
    transition: var(--transition-smooth);
}

.sidebar-brand {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 40px;
    text-align: center;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.sidebar-link:hover, .sidebar-link.active {
    background: var(--accent-color);
    color: #fff;
}

.sidebar-footer {
    padding-top: 20px;
    border-top: 1px solid var(--card-border);
}

/* --- Statistics Widgets --- */
.stat-card {
    border-radius: 16px;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-smooth);
}
.stat-card:hover {
    transform: translateY(-4px);
}
.stat-icon {
    font-size: 2.2rem;
    color: var(--accent-color);
    background: rgba(99, 102, 241, 0.15);
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- Drag & Drop Upload Zone --- */
.upload-drag-zone {
    border: 2px dashed var(--accent-color);
    background: rgba(99, 102, 241, 0.03);
    border-radius: 16px;
    padding: 50px 30px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
}

.upload-drag-zone.dragover {
    background: rgba(99, 102, 241, 0.12);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 3.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.progress-container {
    display: none;
    margin-top: 20px;
}

/* --- Form Fields & Buttons --- */
.form-control, .form-select {
    background: var(--bg-secondary);
    border: 1px solid var(--card-border);
    color: var(--text-primary) !important;
    border-radius: 10px;
    padding: 12px 16px;
    transition: var(--transition-smooth);
}
.form-control:focus, .form-select:focus {
    background: var(--bg-secondary);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    border-radius: 10px;
    padding: 12px 24px;
    font-weight: 600;
    transition: var(--transition-smooth);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

/* --- Keyframe Animations --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* --- Mobile Adaptations --- */
@media (max-width: 991.98px) {
    .lightbox-prev { left: 15px; }
    .lightbox-next { right: 15px; }
    
    .admin-sidebar {
        transform: translateX(-100%);
    }
    .admin-sidebar.show {
        transform: translateX(0);
    }
    .admin-main {
        margin-left: 0;
        padding: 20px;
    }
}