/* ==========================================================================
   DROPSITE AUDIO WAVEFORM PLAYER (STUDIO HI-FI)
   Theme: Obsidian Glass + Cyber Mint + Electric Cyan
   Zero emoji, pure inline SVG, 100% Web Audio API in RAM
   ========================================================================== */

.audio-waveform-card {
    position: relative;
    width: 100%;
    max-width: 640px;
    margin: 16px auto;
    padding: 24px;
    background: radial-gradient(120% 120% at 50% 0%, rgba(20, 28, 48, 0.92) 0%, rgba(8, 12, 22, 0.98) 100%);
    border: 1px solid rgba(52, 211, 153, 0.28);
    border-top: 1px solid rgba(52, 211, 153, 0.55);
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 35px rgba(16, 185, 129, 0.12);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    display: flex;
    flex-direction: column;
    gap: 18px;
    box-sizing: border-box;
}

.audio-waveform-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.audio-waveform-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
}

.audio-waveform-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(52, 211, 153, 0.35);
    color: #34D399;
    flex-shrink: 0;
}

.audio-waveform-title-wrap {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.audio-waveform-title {
    font-size: 0.96rem;
    font-weight: 700;
    color: #FFFFFF;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
}

.audio-waveform-badge {
    font-size: 0.72rem;
    font-weight: 600;
    color: #94A3B8;
    display: flex;
    align-items: center;
    gap: 6px;
}

.audio-waveform-badge span {
    color: #5EEAD4;
}

/* Płótno Canvas Wizualizatora Fali */
.audio-waveform-stage {
    position: relative;
    width: 100%;
    height: 96px;
    background: rgba(6, 10, 18, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.6);
}

.audio-waveform-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.audio-waveform-hover-time {
    position: absolute;
    top: 6px;
    padding: 2px 6px;
    background: rgba(16, 185, 129, 0.9);
    color: #04140D;
    font-family: Consolas, monospace;
    font-size: 0.68rem;
    font-weight: 700;
    border-radius: 4px;
    pointer-events: none;
    transform: translateX(-50%);
    display: none;
}

/* Dolny pasek kontrolek audio */
.audio-waveform-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.audio-waveform-left-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.audio-waveform-play-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    border: none;
    color: #061A12;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 18px rgba(16, 185, 129, 0.4);
    flex-shrink: 0;
}

.audio-waveform-play-btn:hover {
    transform: scale(1.06);
    box-shadow: 0 6px 24px rgba(16, 185, 129, 0.6);
}

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

.audio-waveform-time {
    font-family: Consolas, monospace;
    font-size: 0.82rem;
    color: #CBD5E1;
    font-weight: 600;
}

.audio-waveform-time .current {
    color: #34D399;
}

.audio-waveform-right-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.audio-waveform-btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #94A3B8;
    cursor: pointer;
    transition: all 0.18s ease;
}

.audio-waveform-btn-icon:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #FFFFFF;
}

.audio-waveform-btn-icon.active {
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(52, 211, 153, 0.5);
    color: #34D399;
}

/* Wskaźnik ładowania fali dźwiękowej */
.audio-waveform-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(6, 10, 18, 0.85);
    color: #5EEAD4;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

.audio-waveform-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(52, 211, 153, 0.2);
    border-top-color: #34D399;
    border-radius: 50%;
    animation: spinAudioWave 0.8s linear infinite;
}

@keyframes spinAudioWave {
    to { transform: rotate(360deg); }
}

@media (max-width: 640px) {
    .audio-waveform-card {
        padding: 16px 14px;
        gap: 14px;
        border-radius: 16px;
        margin: 10px 0;
    }
    .audio-waveform-stage {
        height: 76px;
        border-radius: 10px;
    }
    .audio-waveform-title {
        font-size: 0.88rem;
    }
    .audio-waveform-play-btn {
        width: 40px;
        height: 40px;
    }
    .audio-waveform-icon-wrap {
        width: 38px;
        height: 38px;
        border-radius: 10px;
    }
    .audio-waveform-time {
        font-size: 0.76rem;
    }
}