/* Navigation - Apple Music Style */

/* Tab Bar (Mobile Navigation) */
.tab-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(var(--tab-bar-height) + var(--safe-area-bottom));
    padding-bottom: var(--safe-area-bottom);
    display: flex;
    align-items: flex-start;
    justify-content: space-around;
    background: rgba(28, 28, 30, 0.94);
    backdrop-filter: blur(var(--blur-xl));
    -webkit-backdrop-filter: blur(var(--blur-xl));
    border-top: 0.5px solid var(--separator);
    z-index: var(--z-fixed);
}

.tab-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xxs);
    padding: var(--space-sm) 0;
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.tab-item.active {
    color: var(--apple-red);
}

.tab-item svg {
    width: 26px;
    height: 26px;
    fill: currentColor;
}

.tab-item span {
    font-size: 10px;
    font-weight: var(--font-medium);
}

/* With Mini Player Active */
.tab-bar.with-player {
    bottom: var(--mini-player-height);
}

/* Search Header */
.search-header {
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-primary);
    position: sticky;
    top: 0;
    z-index: 10;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--fill-tertiary);
    border-radius: var(--radius-lg);
    padding: 0 var(--space-md);
}

.search-icon {
    width: 18px;
    height: 18px;
    fill: var(--text-tertiary);
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    padding: var(--space-md);
    font-size: var(--text-md);
    background: transparent;
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-clear {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
}

.search-clear svg {
    width: 18px;
    height: 18px;
    fill: var(--text-tertiary);
}

/* Search Categories */
.search-categories .section-title {
    padding-top: var(--space-md);
}

/* Search Results */
.search-results {
    padding-bottom: var(--space-xl);
}

.results-section {
    margin-bottom: var(--space-xl);
}

.results-section h3 {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    padding: 0 var(--space-lg);
    margin-bottom: var(--space-md);
}

/* Top Result Card */
.top-result-card {
    margin: 0 var(--space-lg);
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.top-result-card:active {
    background: var(--bg-tertiary);
}

.top-result-artwork {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-tertiary);
    box-shadow: var(--shadow-md);
}

.top-result-artwork.round {
    border-radius: var(--radius-full);
}

.top-result-artwork img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.top-result-info {
    flex: 1;
    min-width: 0;
}

.top-result-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.top-result-subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.top-result-play {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--apple-red);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast);
}

.top-result-play:active {
    transform: scale(0.95);
}

.top-result-play svg {
    width: 24px;
    height: 24px;
    fill: white;
    margin-left: 2px;
}

/* Detail Views Header */
.detail-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-md);
    z-index: 10;
}

.detail-header.transparent {
    background: transparent;
}

.back-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--surface-blur);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
}

.back-btn svg {
    width: 24px;
    height: 24px;
    fill: var(--text-primary);
}

.detail-actions {
    display: flex;
    gap: var(--space-sm);
}

.action-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--surface-blur);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
}

.action-btn svg {
    width: 20px;
    height: 20px;
    fill: var(--text-primary);
}

/* Playlist Hero */
.playlist-hero {
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-lg) var(--space-xl);
    text-align: center;
}

.playlist-hero .playlist-cover {
    width: 200px;
    height: 200px;
    margin: 0 auto var(--space-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-secondary);
    box-shadow: var(--shadow-xl);
}

.playlist-hero .playlist-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.playlist-hero .playlist-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-xs);
}

.playlist-hero .playlist-meta {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.playlist-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
}

.play-btn-large {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--apple-red);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-fast);
}

.play-btn-large:active {
    transform: scale(0.95);
}

.play-btn-large svg {
    width: 28px;
    height: 28px;
    fill: white;
    margin-left: 3px;
}

.shuffle-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--apple-red);
}

.shuffle-btn svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.shuffle-btn.active {
    background: var(--apple-red);
    border-radius: var(--radius-full);
}

.shuffle-btn.active svg {
    fill: white;
}

/* Album Hero */
.album-hero {
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-lg) var(--space-xl);
    text-align: center;
}

.album-hero .album-cover {
    width: 240px;
    height: 240px;
    margin: 0 auto var(--space-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-secondary);
    box-shadow: var(--shadow-xl);
}

.album-hero .album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.album-hero .album-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-xs);
}

.album-hero .album-artist {
    font-size: var(--text-md);
    color: var(--apple-red);
    margin-bottom: var(--space-xs);
}

.album-hero .album-meta {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.album-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
}

/* Artist Hero */
.artist-hero {
    position: relative;
    padding: 0 0 var(--space-xl);
}

.artist-hero .artist-image {
    width: 100%;
    height: 300px;
    background: var(--bg-secondary);
    position: relative;
}

.artist-hero .artist-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 50%, var(--bg-primary) 100%);
}

.artist-hero .artist-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.artist-hero .artist-name {
    position: absolute;
    bottom: var(--space-xl);
    left: var(--space-lg);
    right: var(--space-lg);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}