/* ============================================================
   MUSIC VISUALIZER — Стили для музыкального плеера и визуализатора
   ============================================================ */

/* ----- КНОПКА МУЗЫКИ ----- */
.btn-music {
    position: relative;
    transition: all 0.3s ease;
}

.btn-music.playing {
    border-color: var(--text-accent, #00ff88) !important;
    color: var(--text-accent, #00ff88) !important;
    animation: musicPulse 1.5s ease-in-out infinite;
}

@keyframes musicPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ----- ВИЗУАЛИЗАТОР ФОНОМ В ГРАФИКЕ ----- */
.chart-visualizer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    border-radius: 12px;
    opacity: 0;
    transition: opacity 1.5s ease;
}

.chart-visualizer.active {
    opacity: 0.2;
}

.chart-visualizer .cv-grid {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 2px;
    padding: 0 8px;
    z-index: 0;
}

.chart-visualizer .cv-grid .cv-bar {
    flex: 1;
    min-width: 2px;
    max-width: 10px;
    border-radius: 2px 2px 0 0;
    background: linear-gradient(
            180deg,
            rgba(0, 255, 136, 0.2) 0%,
            rgba(0, 255, 136, 0.03) 100%
    );
    height: 2%;
    transition: height 0.08s ease-out;
    will-change: height;
    margin-bottom: 2px;
}

/* Разные оттенки для баров */
.chart-visualizer .cv-grid .cv-bar:nth-child(4n+1) {
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.25), rgba(0, 200, 100, 0.03));
}
.chart-visualizer .cv-grid .cv-bar:nth-child(4n+2) {
    background: linear-gradient(180deg, rgba(68, 255, 200, 0.25), rgba(0, 200, 150, 0.03));
}
.chart-visualizer .cv-grid .cv-bar:nth-child(4n+3) {
    background: linear-gradient(180deg, rgba(0, 255, 200, 0.25), rgba(0, 180, 120, 0.03));
}
.chart-visualizer .cv-grid .cv-bar:nth-child(4n+4) {
    background: linear-gradient(180deg, rgba(100, 255, 180, 0.25), rgba(50, 200, 100, 0.03));
}

/* ----- СВЕТЛАЯ ТЕМА ----- */
body.light-theme .chart-visualizer .cv-grid .cv-bar {
    background: linear-gradient(
            180deg,
            rgba(0, 200, 80, 0.35) 0%,
            rgba(0, 200, 80, 0.08) 100%
    );
}

body.light-theme .chart-visualizer .cv-grid .cv-bar:nth-child(4n+1) {
    background: linear-gradient(180deg, rgba(0, 200, 80, 0.25), rgba(0, 180, 70, 0.03));
}
body.light-theme .chart-visualizer .cv-grid .cv-bar:nth-child(4n+2) {
    background: linear-gradient(180deg, rgba(40, 220, 160, 0.25), rgba(0, 180, 120, 0.03));
}
body.light-theme .chart-visualizer .cv-grid .cv-bar:nth-child(4n+3) {
    background: linear-gradient(180deg, rgba(0, 220, 160, 0.25), rgba(0, 160, 90, 0.03));
}
body.light-theme .chart-visualizer .cv-grid .cv-bar:nth-child(4n+4) {
    background: linear-gradient(180deg, rgba(70, 230, 150, 0.25), rgba(30, 180, 70, 0.03));
}

/* ----- АДАПТИВ ----- */
@media (max-width: 768px) {
    .chart-visualizer .cv-grid {
        gap: 1.5px;
        padding: 0 4px;
    }
    .chart-visualizer .cv-grid .cv-bar {
        min-width: 1.5px;
        max-width: 6px;
    }
}

@media (max-width: 480px) {
    .chart-visualizer .cv-grid {
        gap: 1px;
        padding: 0 2px;
    }
    .chart-visualizer .cv-grid .cv-bar {
        min-width: 1px;
        max-width: 4px;
    }
}

/* ----- ГРАФИК — РОДИТЕЛЬ ДЛЯ ВИЗУАЛИЗАТОРА ----- */
.chart-block {
    position: relative;
    overflow: hidden;
}

.chart-container {
    position: relative;
    z-index: 1;
}
/* ===== РАСТЯГИВАНИЕ БАРОВ НА ВСЮ ШИРИНУ ===== */
.chart-visualizer .cv-grid {
    gap: 1px !important;
    padding: 0 2px !important;
}

.chart-visualizer .cv-grid .cv-bar {
    flex: 1 0 auto !important;
    min-width: 2px !important;
    max-width: none !important;
}
.chart-visualizer .cv-grid {
    padding-bottom: 30px !important; /* ← отступ снизу, чтобы бары не касались низа */
}


.chart-visualizer .cv-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30px;
    background: linear-gradient(
            0deg,
            var(--bg-secondary, #0d0d1a) 0%,
            transparent 100%
    );
    z-index: 2;
    pointer-events: none;
}