:root {
    --bg-primary: #000000;
    --bg-secondary: #0d0d0d;
    --bg-tertiary: #1a1a1a;
    --text-primary: #e0e0e0;
    --text-secondary: #888;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --border: #1a1a1a;
    --danger: #ef4444;
    --card-bg: #0d0d0d;
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #eeeeee;
    --text-primary: #1a1a1a;
    --text-secondary: #666;
    --border: #e0e0e0;
    --card-bg: #ffffff;
}

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

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
    font-size: 14px;
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 10px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.05em;
}

.nav { display: flex; gap: 10px; align-items: center; }

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 5px;
    font-size: 0.9em;
}

.nav-link:hover { background: var(--bg-tertiary); }

.user-badge { color: var(--text-secondary); font-size: 0.85em; }

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1em;
    padding: 4px;
}

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 20px; }

/* Login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }

.login-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    width: 100%;
    max-width: 380px;
}

.login-card h1 { text-align: center; margin-bottom: 6px; font-size: 1.3em; }
.login-subtitle { text-align: center; color: var(--text-secondary); margin-bottom: 24px; font-size: 0.85em; }

.login-card input, .login-card button {
    width: 100%;
    padding: 10px 14px;
    margin-bottom: 10px;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9em;
}

.login-card button {
    background: var(--accent);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: 600;
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 10px;
    border-radius: 7px;
    margin-bottom: 12px;
    text-align: center;
    font-size: 0.85em;
}

/* Toolbar */
.toolbar { display: flex; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; align-items: center; }
.search-box { flex: 1; min-width: 200px; }

.search-box input {
    width: 100%;
    padding: 8px 14px;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9em;
}

.filters { display: flex; gap: 8px; }

.filters select, .btn-secondary {
    padding: 8px 14px;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.9em;
}

.btn-secondary.active { background: var(--accent); color: white; border-color: var(--accent); }

/* Albums Grid */
.albums-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }

.album-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.15s, border-color 0.15s;
    cursor: pointer;
    position: relative;
}

.album-card:hover { transform: translateY(-3px); border-color: var(--accent); }

.album-thumbnail {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    background: var(--bg-tertiary);
    display: block;
}

.album-info { padding: 10px 12px; }
.album-title { font-weight: 600; margin-bottom: 2px; font-size: 0.9em; }
.album-description {
    color: var(--text-secondary);
    font-size: 0.78em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.favorite-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.6);
    border: none;
    color: white;
    font-size: 1em;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.favorite-btn.active { background: rgba(255, 200, 0, 0.9); }

.loading { grid-column: 1 / -1; text-align: center; color: var(--text-secondary); padding: 30px; }

/* Admin */
.admin-section { margin-bottom: 32px; }
.admin-section h2 { margin-bottom: 12px; font-size: 1.1em; }

.admin-list { margin-top: 12px; }

.admin-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 14px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 7px;
    margin-bottom: 6px;
    font-size: 0.9em;
}

/* Buttons */
.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 7px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9em;
}

.btn-danger {
    background: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 4px 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.85em;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active { display: flex; }

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content h2 { margin-bottom: 18px; font-size: 1.1em; }

.modal-content input, .modal-content textarea, .modal-content select {
    width: 100%;
    padding: 9px 14px;
    margin-bottom: 10px;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9em;
    font-family: inherit;
}

.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 12px; }

/* Responsive */
@media (max-width: 600px) {
    .container { padding: 14px; }
    .toolbar { flex-direction: column; }
    .filters { width: 100%; }
    .filters select, .btn-secondary { flex: 1; }
    .albums-grid { grid-template-columns: 1fr; }
    .modal-content { padding: 20px; margin: 14px; }
}

/* View toggle */
.view-toggle {
    display: flex;
    gap: 2px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 7px;
    padding: 2px;
}

.view-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 5px;
    font-size: 1em;
    line-height: 1;
    transition: all 0.15s;
}

.view-btn:hover { color: var(--text-primary); }
.view-btn.active {
    background: var(--accent);
    color: white;
}

/* List view */
.albums-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.album-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.album-list-item:hover {
    border-color: var(--accent);
    background: var(--bg-secondary);
}

.album-list-thumb {
    width: 56px;
    height: 56px;
    border-radius: 6px;
    object-fit: cover;
    background: var(--bg-tertiary);
    flex-shrink: 0;
}

.album-list-info {
    flex: 1;
    min-width: 0;
}

.album-list-title {
    font-weight: 600;
    font-size: 0.9em;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.album-list-desc {
    color: var(--text-secondary);
    font-size: 0.78em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.album-list-actions {
    display: flex;
    gap: 6px;
    align-items: center;
}

.album-list-fav {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1em;
    padding: 4px;
}

.album-list-fav.active { color: #fbbf24; }