/* Playlist CSS - Styles for playlist creator and viewer */

/* ============================================
   COMMON STYLES
============================================ */

/* Playlists Button (Fixed Top Right, left of theme switcher) */
.playlists-button {
    position: fixed;
    top: 1rem;
    right: 11rem; /* Positioned left of theme switcher */
    padding: 0.5rem 1rem;
    background-color: var(--secondary-color);
    color: var(--active-button-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 20px;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.playlists-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn {
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 5px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--active-button-text);
}

.btn-primary:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
}

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

.btn-secondary {
    background-color: var(--button-background);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

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

/* ============================================
   PLAYLIST CREATOR STYLES
============================================ */

.playlist-creator-controls {
    margin-bottom: var(--spacing-large);
}

.selection-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-medium);
    padding: var(--spacing-medium);
    background-color: var(--hover-color);
    border-radius: 8px;
}

.selection-count {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.selection-info .btn {
    margin-left: var(--spacing-small);
}

.song-selection-list {
    max-width: 800px;
    margin: 0 auto;
}

.selectable-song-list {
    list-style: none;
    padding: 0;
}

.song-select-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-medium);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
    cursor: pointer;
}

.song-select-item:hover {
    background-color: var(--hover-color);
}

.song-select-item.hidden {
    display: none;
}

.song-checkbox {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-medium);
    cursor: pointer;
    accent-color: var(--secondary-color);
}

.song-select-info {
    flex: 1;
}

.song-select-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.song-select-subtitle {
    font-size: 0.85rem;
    color: var(--muted-text);
}

/* ============================================
   PLAYLIST VIEWER STYLES
============================================ */

.playlist-container {
    padding: 0;
    max-width: 100%;
}

.playlist-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-medium) var(--spacing-large);
    padding-right: 12rem; /* Space for theme switcher */
    border-bottom: 2px solid var(--border-color);
    background-color: var(--background-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-medium);
}

.header-right {
    display: flex;
    gap: var(--spacing-small);
}

.playlist-title {
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary-color);
}

.playlist-layout {
    display: flex;
    height: calc(100vh - 80px);
}

/* ============================================
   PLAYLIST SIDEBAR (Sticky)
============================================ */

.playlist-sidebar {
    width: 280px;
    flex-shrink: 0;
    border-right: 2px solid var(--border-color);
    background-color: var(--background-color);
    overflow-y: auto;
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-medium);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--hover-color);
}

.sidebar-header h2 {
    font-size: 1.2rem;
    margin: 0;
    color: var(--primary-color);
}

.playlist-count {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--active-button-text);
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.playlist-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.playlist-nav-item {
    padding: var(--spacing-medium);
    border-bottom: 1px solid var(--border-color);
    cursor: grab;
    transition: all 0.2s ease;
    user-select: none;
}

.playlist-nav-item:active {
    cursor: grabbing;
}

.playlist-nav-item:hover {
    background-color: var(--hover-color);
}

.playlist-nav-item.active {
    background-color: var(--secondary-color);
    color: var(--active-button-text);
}

.playlist-nav-item.dragging {
    opacity: 0.4;
    cursor: move;
}

.playlist-nav-item.drag-over {
    border-top: 3px solid var(--secondary-color);
    background-color: var(--hover-color);
}

.playlist-nav-item .song-number {
    display: inline-block;
    width: 2rem;
    font-weight: 600;
    color: var(--muted-text);
}

.playlist-nav-item.active .song-number {
    color: var(--active-button-text);
}

.playlist-nav-item .song-name {
    font-size: 0.95rem;
}

/* ============================================
   PLAYLIST CONTENT AREA
============================================ */

.playlist-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-large);
}

.song-header {
    margin-bottom: var(--spacing-large);
    padding-bottom: var(--spacing-medium);
    border-bottom: 2px solid var(--border-color);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-large);
    color: var(--muted-text);
    font-style: italic;
}

/* ============================================
   RESPONSIVE DESIGN
============================================ */

@media (max-width: 768px) {
    .playlists-button {
        top: 0.5rem;
        right: 7.5rem; /* Adjust for mobile theme switcher position */
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }

    .playlist-header {
        flex-direction: column;
        gap: var(--spacing-small);
        padding: var(--spacing-small);
        padding-right: var(--spacing-small); /* Reset padding on mobile */
    }

    .header-left {
        width: 100%;
    }

    .header-right {
        width: 100%;
        justify-content: flex-end;
    }

    .playlist-layout {
        flex-direction: column;
        height: auto;
    }

    .playlist-sidebar {
        width: 100%;
        position: static;
        height: auto;
        max-height: 300px;
        border-right: none;
        border-bottom: 2px solid var(--border-color);
    }

    .playlist-content {
        padding: var(--spacing-medium);
    }

    .selection-info {
        flex-direction: column;
        gap: var(--spacing-small);
    }

    .selection-info .btn {
        width: 100%;
        margin-left: 0;
    }
}

/* ============================================
   PRINT STYLES
============================================ */

@media print {
    .playlist-header,
    .view-controls,
    .playlist-sidebar {
        display: none;
    }

    .playlist-content {
        padding: 0;
    }
}