@import url('https://fonts.googleapis.com/css2?family=Circular+Std:wght@400;500;700&family=Figtree:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --bg-base: #000000;
    --bg-surface: #121212;
    --bg-elevated: #242424;
    --bg-highlight: #1a1a1a;
    --primary: #1ed760;
    --primary-hover: #1fdf64;
    --text-base: #ffffff;
    --text-subdued: #b3b3b3;
    --border-subtle: #2a2a2a;
    --sidebar-width: 280px;
    --player-height: 90px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Figtree', sans-serif;
}

body {
    background: var(--bg-base);
    color: var(--text-base);
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Layout */
.app-container {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: 1fr var(--player-height);
    height: 100vh;
    gap: 8px;
    padding: 8px;
}

/* Sidebar */
.sidebar {
    grid-row: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-box {
    background: var(--bg-surface);
    border-radius: 8px;
    padding: 12px 16px;
}

.nav-list {
    list-style: none;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 12px 8px;
    color: var(--text-subdued);
    font-weight: 700;
    cursor: pointer;
    transition: color 0.2s;
    text-decoration: none;
}

.nav-item:hover,
.nav-item.active {
    color: var(--text-base);
}

.nav-item i {
    font-size: 1.5rem;
}

.library-box {
    flex: 1;
    overflow-y: auto;
}

.library-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.library-header h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-subdued);
    font-size: 1rem;
}

.add-playlist-btn {
    background: none;
    border: none;
    color: var(--text-subdued);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 4px;
    border-radius: 50%;
    transition: background 0.2s, color 0.2s;
}

.add-playlist-btn:hover {
    background: var(--bg-highlight);
    color: var(--text-base);
}

#playlist-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.playlist-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.playlist-item:hover {
    background: var(--bg-highlight);
}

.playlist-img {
    width: 48px;
    height: 48px;
    background: var(--bg-elevated);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-subdued);
    overflow: hidden;
}

.liked-playlist-img {
    background: linear-gradient(135deg, #450af5, #c4efd9);
    color: white;
}

.playlist-name {
    font-size: 0.9rem;
    font-weight: 500;
}

.playlist-meta {
    font-size: 0.75rem;
    color: var(--text-subdued);
}

/* Main Content */
.main-content {
    grid-row: 1;
    background: linear-gradient(to bottom, #222222, var(--bg-surface));
    border-radius: 8px;
    overflow-y: auto;
    position: relative;
    padding: 16px 24px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 10;
    background: transparent;
}

.search-container {
    background: var(--bg-elevated);
    padding: 8px 16px;
    border-radius: 500px;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 400px;
    border: 1px solid transparent;
    transition: border 0.2s;
}

.search-container:hover {
    border-color: var(--border-subtle);
}

.search-container input {
    background: none;
    border: none;
    color: white;
    width: 100%;
    outline: none;
    font-size: 0.9rem;
}

/* Results Grid */
.view-title {
    font-size: 2rem;
    font-weight: 800;
    margin: 24px 0;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 24px;
}

.song-card {
    background: #181818;
    padding: 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    isolation: isolate;
    will-change: transform, background-color;
}

.song-card:hover {
    background: #282828;
}

.card-img-container {
    position: relative;
    margin-bottom: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.song-card img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    border-radius: 4px;
}

.play-hover-btn {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: black;
    font-size: 1.2rem;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

.song-card:hover .play-hover-btn {
    opacity: 1;
    transform: translateY(0);
}

.song-title {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.song-meta {
    color: var(--text-subdued);
    font-size: 0.875rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.action-btn {
    background: none;
    border: none;
    color: var(--text-subdued);
    cursor: pointer;
    font-size: 1.1rem;
    transition: color 0.2s, transform 0.1s;
}

.action-btn:hover {
    color: var(--text-base);
    transform: scale(1.1);
}

.like-btn.liked {
    color: var(--primary);
}

/* Context Menu */
.context-menu {
    position: fixed;
    background: var(--bg-elevated);
    border-radius: 4px;
    min-width: 200px;
    padding: 4px;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    display: none;
}

.context-list {
    list-style: none;
}

.context-list li {
    padding: 12px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 2px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-base);
    position: relative;
}

.context-list li:hover {
    background: var(--bg-highlight);
}

.context-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: 4px 0;
}

.submenu {
    position: absolute;
    left: 100%;
    top: 0;
    background: var(--bg-elevated);
    border-radius: 4px;
    min-width: 180px;
    padding: 4px;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
    display: none;
}

.context-list li:hover>.submenu {
    display: block;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-elevated);
    padding: 24px;
    border-radius: 8px;
    width: 100%;
    max-width: 400px;
}

.modal-content h3 {
    margin-bottom: 24px;
}

.modal-content input {
    width: 100%;
    padding: 12px;
    background: var(--bg-highlight);
    border: 1px solid transparent;
    border-radius: 4px;
    color: white;
    margin-bottom: 24px;
    outline: none;
}

.modal-content input:focus {
    border-color: var(--primary);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
}

.modal-actions button {
    padding: 12px 24px;
    border-radius: 500px;
    cursor: pointer;
    font-weight: 700;
    border: none;
}

#modal-cancel {
    background: none;
    color: white;
}

.primary-btn {
    background: var(--primary);
    color: black;
}

.primary-btn:hover {
    transform: scale(1.05);
}

/* Player Bar */
.player-bar {
    grid-column: 1 / span 2;
    background: var(--bg-base);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 100;
}

.player-left {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 30%;
}

.player-thumb {
    width: 56px;
    height: 56px;
    border-radius: 4px;
    object-fit: cover;
    display: none;
}

.player-track-info h4 {
    font-size: 0.875rem;
    font-weight: 500;
}

.player-track-info p {
    font-size: 0.75rem;
    color: var(--text-subdued);
}

.player-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    max-width: 500px;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 24px;
}

.main-play-btn {
    width: 32px;
    height: 32px;
    background: white;
    color: black;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: transform 0.1s;
}

.control-btn {
    background: none;
    border: none;
    color: var(--text-subdued);
    cursor: pointer;
    font-size: 1rem;
    transition: color 0.2s;
}

.control-btn:hover {
    color: var(--text-base);
}

.progress-container {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-subdued);
}

.progress-bar {
    flex: 1;
    height: 4px;
    background: #4d4d4d;
    border-radius: 2px;
    position: relative;
    cursor: pointer;
}

.progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--text-base);
    border-radius: 2px;
    width: 0%;
}

.player-right {
    width: 30%;
    display: flex;
    justify-content: flex-end;
    gap: 16px;
}

/* Empty States */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 60%;
    color: var(--text-subdued);
    gap: 16px;
    text-align: center;
    width: 100%;
    grid-column: 1 / -1;
}

/* Animations */
.animate-in {
    animation: fadeIn 0.4s ease-out forwards;
}

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

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

#yt-player-container {
    position: absolute;
    pointer-events: none;
    opacity: 0;
}