/* ── Karaoke Mode ── */

.karaoke-container {
    display: none;
    flex-direction: column;
    background: #0a0014;
    position: fixed;
    inset: 0;
    z-index: 1000;
    overflow: hidden;
}

.karaoke-container.visible {
    display: flex;
}

/* CRT scanline overlay */
.karaoke-container::before {
    content: "";
    display: block;
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(18, 16, 16, 0) 50%,
        rgba(0, 0, 0, 0.15) 50%
    );
    background-size: 100% 4px;
    z-index: 10;
    pointer-events: none;
}

/* Karaoke header bar */
.karaoke-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: rgba(10, 0, 20, 0.9);
    border-bottom: 1px solid rgba(0, 255, 136, 0.15);
    z-index: 11;
    flex-shrink: 0;
}

.karaoke-title {
    font-family: 'Righteous', cursive;
    font-size: 1rem;
    color: #00ff88;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.karaoke-artist {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    margin-left: 0.75rem;
}

.karaoke-exit-btn {
    padding: 0.4rem 1rem;
    background: transparent;
    border: 1px solid rgba(255, 107, 157, 0.4);
    color: #ff6b9d;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.karaoke-exit-btn:hover {
    background: rgba(255, 107, 157, 0.15);
    border-color: #ff6b9d;
}

/* Lyrics viewport */
.karaoke-lyrics {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.karaoke-lyrics-scroll {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    max-width: 800px;
}

/* Individual lyric line */
.karaoke-line {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    color: rgba(255, 255, 255, 0.12);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(0.9);
    filter: blur(1.5px);
    line-height: 1.4;
    padding: 0.3rem 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.karaoke-line.approaching {
    color: rgba(255, 255, 255, 0.35);
    filter: blur(0.5px);
    transform: scale(0.95);
}

.karaoke-line.active {
    color: #00ff88;
    filter: blur(0);
    transform: scale(1);
    text-shadow:
        0 0 7px rgba(0, 255, 136, 0.6),
        0 0 20px rgba(0, 255, 136, 0.3),
        0 0 40px rgba(0, 255, 136, 0.15);
}

.karaoke-line.past {
    color: rgba(255, 255, 255, 0.08);
    filter: blur(2px);
    transform: scale(0.85);
}

/* Word-level highlighting within active line */
.karaoke-word {
    display: inline;
    position: relative;
    transition: color 0.1s;
}

.karaoke-word.sung {
    color: #ffffff;
    text-shadow:
        0 0 10px rgba(255, 255, 255, 0.8),
        0 0 20px rgba(0, 255, 136, 0.6),
        0 0 40px rgba(0, 255, 136, 0.3);
}

/* Instrumental/waiting state */
.karaoke-waiting {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.3);
    font-size: 1.2rem;
}

.karaoke-waiting.visible {
    display: flex;
}

.karaoke-dots {
    display: flex;
    gap: 0.5rem;
}

.karaoke-dots span {
    width: 8px;
    height: 8px;
    background: rgba(0, 255, 136, 0.4);
    border-radius: 50%;
    animation: karaoke-dot-pulse 1.5s ease-in-out infinite;
}

.karaoke-dots span:nth-child(2) { animation-delay: 0.3s; }
.karaoke-dots span:nth-child(3) { animation-delay: 0.6s; }

@keyframes karaoke-dot-pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.3); }
}

/* No lyrics message */
.karaoke-no-lyrics {
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 1.1rem;
    padding: 2rem;
}

.karaoke-no-lyrics p {
    margin-bottom: 0.5rem;
}

.karaoke-retry-btn {
    margin-top: 1rem;
    padding: 0.5rem 1.5rem;
    background: rgba(0, 255, 136, 0.15);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: #00ff88;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
}

.karaoke-retry-btn:hover {
    background: rgba(0, 255, 136, 0.25);
}

/* Countdown before next line */
.karaoke-countdown {
    font-size: 1.5rem;
    color: rgba(0, 255, 136, 0.5);
    letter-spacing: 0.5rem;
    margin-bottom: 0.5rem;
}

/* Fullscreen adjustments */
.karaoke-container:-webkit-full-screen .karaoke-line {
    font-size: 3rem;
}
.karaoke-container:fullscreen .karaoke-line {
    font-size: 3rem;
}

/* Karaoke controls in transport */
.karaoke-transport {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    background: rgba(10, 0, 20, 0.9);
    border-top: 1px solid rgba(0, 255, 136, 0.15);
    z-index: 11;
    flex-shrink: 0;
}

.karaoke-transport button {
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text);
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s;
}

.karaoke-transport button:hover {
    background: rgba(255, 255, 255, 0.1);
}

.karaoke-transport .play-btn {
    font-size: 1.3rem;
    padding: 0.5rem 1rem;
    border-color: rgba(0, 255, 136, 0.3);
    color: #00ff88;
}

.karaoke-timeline {
    flex: 1;
    max-width: 400px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}

.karaoke-timeline-progress {
    height: 100%;
    background: linear-gradient(90deg, #00ff88, #00ccff);
    border-radius: 2px;
    width: 0%;
    transition: width 0.1s linear;
}

.karaoke-time {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    font-family: 'Fira Code', monospace;
    min-width: 3.5rem;
    text-align: center;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .karaoke-line {
        font-size: 1.4rem;
    }
    .karaoke-line.active {
        font-size: 1.6rem;
    }
    .karaoke-lyrics {
        padding: 1rem;
    }
    .karaoke-header {
        padding: 0.5rem 1rem;
    }
}