:root {
    --bg-color: #121829;
    /* Darker, deeper blue-black */
    --card-bg: #0f172a;
    /* Slate 900 */
    --card-bg-hover: #1e293b;
    /* Slate 800 */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    /* Blue 500 */
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --success: #10b981;
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --teal-accent: #14b8a6;
    /* Teal 500 */
    --teal-gradient: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    --danger: #ef4444;
    --border-color: rgba(255, 255, 255, 0.08);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color) !important;
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

/* Navbar Enhancements */
.navbar {
    background: rgba(15, 23, 42, 0.8) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color) !important;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.75rem;
    letter-spacing: -0.03em;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Search Bar Styling */
.header-search {
    background: #1e293b;
    /* Lighter slate background for the bar itself */
    border: 1px solid #334155;
    border-radius: 8px;
    /* Slightly squarer than full pill, matches image */
    padding: 2px;
    height: 48px;
    /* Fixed height for consistency */
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

@media (min-width: 992px) {
    .header-search {
        width: auto;
        flex-grow: 1;
        max-width: 900px;
        margin-left: 2rem !important;
        /* Push away from logo */
        margin-right: 2rem !important;
        /* Push away from nav */
    }
}

.header-search:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.header-search select {
    color: var(--text-secondary) !important;
    font-weight: 600;
    cursor: pointer;
}

.header-search select option {
    color: white;
}

.header-search input {
    color: #f1f5f9 !important;
    font-weight: 500;
    flex-grow: 1;
    /* Make input fill the remaining space */
    min-width: 0;
    /* Prevent potential overflow issues */
}

.header-search input::placeholder {
    color: #64748b;
}

.header-search button {
    background: #115e59 !important;
    border: none;
    border-radius: 8px;
    transition: background 0.2s;
    height: calc(100% - 8px);
    display: flex;
    align-items: center;
}

.header-search button:hover {
    background: #0f766e !important;
}

/* Navigation Links */
.nav-link {
    font-weight: 500;
    color: var(--text-secondary) !important;
    transition: color 0.2s;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: white !important;
}

.btn-outline-light.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white !important;
}

/* Cards */
.media-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.media-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    border-color: rgba(59, 130, 246, 0.3);
}

.media-preview {
    background-color: #0b101a;
    background-image:
        linear-gradient(45deg, #131b2e 25%, transparent 25%),
        linear-gradient(-45deg, #131b2e 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #131b2e 75%),
        linear-gradient(-45deg, transparent 75%, #131b2e 75%);
    background-size: 20px 20px;
    border-bottom: 1px solid var(--border-color);
    height: 220px;
    position: relative;
    overflow: hidden;
}

.media-preview::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: linear-gradient(to top, var(--card-bg), transparent);
    pointer-events: none;
}

.media-title {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* Buttons */
.btn-primary {
    background: var(--accent-gradient);
    border: none;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.3);
}

/* Badges */
.badge {
    padding: 6px 10px;
    border-radius: 6px;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.badge-image {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-video {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-audio {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.badge-png {
    background: rgba(168, 85, 247, 0.15);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

/* Upload Section & Forms */
.upload-section,
.detail-container .bg-dark {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border-radius: 16px !important;
}

input.form-control,
select.form-select,
.input-group-text {
    background-color: #0b101a !important;
    border: 1px solid var(--border-color);
    color: white !important;
    padding: 12px 16px;
    border-radius: 10px;
}

input.form-control:focus,
select.form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

/* Detail View */
.detail-preview {
    border-radius: 16px !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
}

.big-download-btn {
    background: var(--success-gradient);
    border: none;
    position: relative;
    overflow: hidden;
}

.big-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.3);
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

/* Empty State */
.display-1 {
    opacity: 0.2;
}

/* Utility / Helpers */
.text-truncate {
    max-width: 100%;
}

.object-fit-cover {
    object-fit: cover;
}

.object-fit-contain {
    object-fit: contain;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.media-card {
    animation: fadeIn 0.5s ease backwards;
}

.media-card:nth-child(2) {
    animation-delay: 0.05s;
}

.media-card:nth-child(3) {
    animation-delay: 0.1s;
}

.media-card:nth-child(4) {
    animation-delay: 0.15s;
}

.media-card:nth-child(5) {
    animation-delay: 0.2s;
}