/* ===================================================
   ISHRAQ WORLD — MATRIX MUSIC PLAYER
   Terminal-dock audio interface
   =================================================== */

/* =====================
   PLAYER DOCK
===================== */
.music-player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--player-height, 80px);
    background: var(--bg-terminal);
    border-top: 1px solid var(--border-active);
    z-index: 999;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    gap: 2rem;
    box-shadow: 0 -1px 0 rgba(0, 255, 65, 0.08), 0 -10px 30px rgba(0, 0, 0, 0.8);
    /* Top accent line */
    position: fixed;
}

.music-player::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--green) 30%, var(--cyan) 70%, transparent 100%);
    opacity: 0.5;
}

/* =====================
   TRACK INFO
===================== */
.player-track {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 220px;
    flex-shrink: 0;
}

/* Album art — replaced with spectrum */
.player-art {
    width: 44px;
    height: 44px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    position: relative;
    flex-shrink: 0;
    overflow: hidden;
}

/* ASCII spectrum bars in art area */
.player-art::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        90deg,
        var(--green) 0px, var(--green) 2px,
        transparent 2px, transparent 5px
    );
    opacity: 0.3;
    transform-origin: bottom;
    animation: spectrum-still 0s linear;
}

.music-player.playing .player-art::after {
    animation: spectrum-play 0.4s ease-in-out infinite alternate;
}

@keyframes spectrum-play {
    0%   { clip-path: inset(60% 0 0 0); }
    25%  { clip-path: inset(20% 0 0 0); }
    50%  { clip-path: inset(40% 0 0 0); }
    75%  { clip-path: inset(10% 0 0 0); }
    100% { clip-path: inset(50% 0 0 0); }
}

.player-art img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    filter: grayscale(100%) brightness(0.7);
}

.player-info {
    overflow: hidden;
    flex: 1;
}

.player-track-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-bright);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

.player-artist {
    font-size: 0.68rem;
    color: var(--green-dim);
    letter-spacing: 0.05em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* =====================
   CONTROLS
===================== */
.player-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.player-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.player-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--text-secondary);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: all 0.12s linear;
    font-family: 'JetBrains Mono', monospace;
}

.player-btn:hover {
    color: var(--green);
    border-color: var(--border);
    background: var(--green-faint);
    box-shadow: var(--glow-sm);
}

/* Play/Pause — bigger */
.player-btn-play {
    width: 40px;
    height: 40px;
    border-color: var(--border-active);
    color: var(--green);
    font-size: 1.1rem;
    text-shadow: var(--glow-sm);
}

.player-btn-play:hover {
    background: var(--green);
    color: var(--bg-void);
    text-shadow: none;
    border-color: var(--green);
    box-shadow: var(--glow-md);
}

/* Active state for shuffle/repeat */
.player-btn.active {
    color: var(--green);
    border-color: var(--border-active);
    background: var(--green-faint);
}

/* =====================
   SEEK / PROGRESS
===================== */
.player-progress {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.player-time {
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    white-space: nowrap;
    min-width: 30px;
}

.player-seekbar {
    flex: 1;
    height: 3px;
    background: var(--border);
    cursor: pointer;
    position: relative;
}

.player-seekbar:hover {
    height: 4px;
}

.player-seekbar-fill {
    height: 100%;
    background: var(--green);
    box-shadow: var(--glow-sm);
    position: relative;
    pointer-events: none;
}

/* Scrubber handle */
.player-seekbar-fill::after {
    content: '';
    position: absolute;
    right: -3px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--green);
    box-shadow: var(--glow-sm);
    opacity: 0;
    transition: opacity 0.12s;
}

.player-seekbar:hover .player-seekbar-fill::after {
    opacity: 1;
}

/* =====================
   VOLUME
===================== */
.player-right {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-shrink: 0;
}

.player-volume {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.player-volume-icon {
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    transition: color 0.12s;
}

.player-volume-icon:hover {
    color: var(--green);
}

.player-volume-slider {
    width: 70px;
    height: 2px;
    background: var(--border);
    cursor: pointer;
    position: relative;
}

.player-volume-fill {
    height: 100%;
    background: var(--green);
    pointer-events: none;
}

/* =====================
   LYRICS PANEL
===================== */
.lyrics-panel {
    position: fixed;
    bottom: var(--player-height, 80px);
    right: 0;
    width: 340px;
    max-height: 420px;
    background: var(--bg-terminal);
    border-top: 1px solid var(--border-active);
    border-left: 1px solid var(--border-active);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.2s linear;
    z-index: 998;
}

.lyrics-panel.open {
    transform: translateX(0);
}

.lyrics-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-panel);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--green);
    flex-shrink: 0;
}

.lyrics-panel-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    transition: color 0.12s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

.lyrics-panel-close:hover {
    color: var(--red);
}

.lyrics-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem;
    scrollbar-width: thin;
    scrollbar-color: var(--border-active) transparent;
}

.lyrics-content::-webkit-scrollbar {
    width: 3px;
}

.lyrics-content::-webkit-scrollbar-thumb {
    background: var(--border-active);
}

.lyrics-line {
    font-size: 0.825rem;
    color: var(--text-muted);
    padding: 0.35rem 0;
    line-height: 1.5;
    cursor: pointer;
    transition: color 0.12s;
    border-left: 2px solid transparent;
    padding-left: 0.75rem;
}

.lyrics-line:hover {
    color: var(--text-primary);
}

.lyrics-line.active {
    color: var(--green);
    border-left-color: var(--green);
    text-shadow: 0 0 8px rgba(0, 255, 65, 0.3);
}

.lyrics-line.past {
    color: var(--text-muted);
    opacity: 0.6;
}

/* =====================
   QUEUE PANEL
===================== */
.queue-panel {
    position: fixed;
    bottom: var(--player-height, 80px);
    right: 0;
    width: 300px;
    max-height: 400px;
    background: var(--bg-terminal);
    border-top: 1px solid var(--border-active);
    border-left: 1px solid var(--border-active);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.2s linear;
    z-index: 998;
}

.queue-panel.open {
    transform: translateX(0);
}

.queue-header {
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-panel);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--green);
    flex-shrink: 0;
}

.queue-list {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-active) transparent;
}

.queue-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.12s;
    font-size: 0.78rem;
}

.queue-item:hover {
    background: var(--green-faint);
}

.queue-item.current {
    color: var(--green);
    background: var(--green-faint);
    border-left: 2px solid var(--green);
}

.queue-item-num {
    color: var(--text-muted);
    font-size: 0.65rem;
    min-width: 20px;
    text-align: right;
}

.queue-item-info {
    flex: 1;
    overflow: hidden;
}

.queue-item-title {
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

.queue-item-artist {
    font-size: 0.68rem;
    color: var(--text-muted);
}

.queue-item-dur {
    font-size: 0.65rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* =====================
   MUSIC PAGE — full listing
===================== */
.music-page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.playlist-tabs {
    display: flex;
    gap: 0;
    border: 1px solid var(--border);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.playlist-tab {
    padding: 0.5rem 1.25rem;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: var(--bg-terminal);
    border: none;
    border-right: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.12s linear;
    font-family: 'JetBrains Mono', monospace;
}

.playlist-tab:last-child {
    border-right: none;
}

.playlist-tab:hover {
    color: var(--text-primary);
    background: var(--bg-surface);
}

.playlist-tab.active {
    color: var(--green);
    background: var(--green-faint);
    border-bottom: 1px solid var(--green);
    text-shadow: var(--glow-sm);
}

/* =====================
   WAVEFORM VISUALIZER (CSS only)
===================== */
.waveform {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    height: 24px;
}

.waveform-bar {
    width: 2px;
    background: var(--green);
    opacity: 0.6;
    animation: none;
    height: 3px;
}

.music-player.playing .waveform-bar {
    animation: wave var(--delay, 0.8s) ease-in-out infinite alternate;
}

.waveform-bar:nth-child(1) { --delay: 0.5s; }
.waveform-bar:nth-child(2) { --delay: 0.7s; }
.waveform-bar:nth-child(3) { --delay: 0.4s; }
.waveform-bar:nth-child(4) { --delay: 0.9s; }
.waveform-bar:nth-child(5) { --delay: 0.6s; }
.waveform-bar:nth-child(6) { --delay: 0.3s; }
.waveform-bar:nth-child(7) { --delay: 0.8s; }

@keyframes wave {
    0%   { height: 3px; opacity: 0.5; }
    100% { height: 20px; opacity: 1; box-shadow: var(--glow-sm); }
}

/* =====================
   LYRICS PAGE
===================== */
.lyrics-index {
    display: flex;
    flex-direction: column;
    gap: 1px;
    border: 1px solid var(--border);
    background: var(--border);
    margin-bottom: 2rem;
}

.lyrics-item {
    background: var(--bg-terminal);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: background 0.12s;
    cursor: pointer;
}

.lyrics-item:hover {
    background: var(--bg-surface);
}

.lyrics-item-track {
    flex: 1;
}

.lyrics-item-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 0.2rem;
}

.lyrics-item-artist {
    font-size: 0.75rem;
    color: var(--green-dim);
}

.lyrics-item-snippet {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-style: italic;
    max-width: 400px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.lyrics-view {
    max-width: 640px;
    margin: 0 auto;
}

.lyrics-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.lyrics-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.25rem;
    letter-spacing: -0.02em;
}

.lyrics-artist {
    font-size: 0.875rem;
    color: var(--green);
    text-shadow: var(--glow-sm);
}

.lyrics-body {
    font-size: 0.9rem;
    line-height: 2;
    color: var(--text-primary);
    white-space: pre-line;
}

.lyrics-body .verse {
    margin-bottom: 1.5rem;
}

.lyrics-body .chorus {
    color: var(--text-bright);
    padding-left: 1rem;
    border-left: 2px solid var(--border-active);
    margin-bottom: 1.5rem;
}

/* =====================
   RESPONSIVE
===================== */
@media (max-width: 640px) {
    .music-player {
        gap: 0.75rem;
        padding: 0 0.75rem;
    }

    .player-track {
        min-width: 120px;
    }

    .player-right {
        display: none;
    }

    .lyrics-panel, .queue-panel {
        width: 100vw;
        left: 0;
    }
}