/* ═══════════════════════════════════════════════════════
   🎛️ Equalizer Styles
   ═══════════════════════════════════════════════════════ */

.eq-container {
    background: var(--bg-card, rgba(255,255,255,0.04));
    border: 1px solid var(--border, rgba(255,255,255,0.08));
    border-radius: var(--radius, 12px);
    overflow: hidden;
}

.eq-header {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border, rgba(255,255,255,0.06));
}

.eq-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.eq-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary, #fff);
}

.eq-body {
    padding: 0.8rem 1rem 1rem;
    transition: opacity 0.3s ease;
}

.eq-body.eq-disabled {
    opacity: 0.35;
    pointer-events: none;
}

/* ─── Presets ─── */

.eq-presets-row {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-bottom: 0.8rem;
}

.eq-preset-btn {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 0.3rem 0.7rem;
    color: var(--text-muted, #888);
    font-size: 0.72rem;
    font-family: var(--font, 'Inter', sans-serif);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s ease;
}

.eq-preset-btn:hover {
    background: rgba(99, 102, 241, 0.15);
    color: var(--text-primary, #fff);
}

.eq-preset-btn.active {
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.4);
    color: var(--accent, #6366f1);
    font-weight: 600;
}

.eq-preset-user {
    border-style: dashed;
}

/* ─── Preamp ─── */

.eq-preamp-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
    padding: 0.4rem 0;
}

.eq-preamp-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted, #888);
    min-width: 55px;
}

.eq-preamp-slider {
    flex: 1;
}

.eq-preamp-value {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent, #6366f1);
    min-width: 50px;
    text-align: right;
}

/* ─── Curve visualization ─── */

.eq-curve-wrap {
    margin-bottom: 0.5rem;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.04);
}

.eq-curve-wrap canvas {
    display: block;
    width: 100%;
    height: 120px;
}

/* ─── Band sliders ─── */

.eq-bands {
    display: flex;
    gap: 0;
    justify-content: space-between;
    padding: 0 0.2rem;
    margin-bottom: 0.6rem;
}

.eq-band {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.eq-band-value {
    font-size: 0.62rem;
    font-weight: 700;
    color: var(--accent, #6366f1);
    height: 1.2em;
    margin-bottom: 0.3rem;
}

.eq-slider-wrap {
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.eq-band-label {
    font-size: 0.6rem;
    color: var(--text-muted, #888);
    margin-top: 0.3rem;
    font-weight: 500;
}

/* ─── Vertical slider styling ─── */

.eq-band-slider {
    writing-mode: vertical-lr;
    direction: rtl;
    width: 130px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    cursor: pointer;
}

.eq-band-slider::-webkit-slider-runnable-track {
    width: 4px;
    height: 100%;
    background: linear-gradient(to top, rgba(99,102,241,0.15), rgba(99,102,241,0.3));
    border-radius: 2px;
}

.eq-band-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent, #6366f1);
    box-shadow: 0 0 8px rgba(99,102,241,0.5);
    cursor: pointer;
    margin-left: -6px;
    transition: box-shadow 0.15s ease;
}

.eq-band-slider::-webkit-slider-thumb:hover {
    box-shadow: 0 0 14px rgba(99,102,241,0.7);
    transform: scale(1.15);
}

.eq-band-slider::-moz-range-track {
    width: 4px;
    background: linear-gradient(to top, rgba(99,102,241,0.15), rgba(99,102,241,0.3));
    border-radius: 2px;
}

.eq-band-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent, #6366f1);
    box-shadow: 0 0 8px rgba(99,102,241,0.5);
    border: none;
    cursor: pointer;
}

/* ─── Horizontal slider (preamp + general) ─── */

.eq-slider {
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(to right, rgba(99,102,241,0.15), rgba(99,102,241,0.3));
    outline: none;
}

.eq-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent, #6366f1);
    box-shadow: 0 0 6px rgba(99,102,241,0.4);
    cursor: pointer;
}

.eq-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent, #6366f1);
    box-shadow: 0 0 6px rgba(99,102,241,0.4);
    border: none;
    cursor: pointer;
}

/* ─── Save row ─── */

.eq-save-row {
    display: flex;
    gap: 0.4rem;
    align-items: center;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255,255,255,0.04);
}

.eq-save-input {
    flex: 1;
    padding: 0.4rem 0.6rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px;
    color: var(--text-primary, #fff);
    font-family: var(--font, 'Inter', sans-serif);
    font-size: 0.75rem;
}

.eq-save-input::placeholder {
    color: var(--text-muted, #666);
}

.eq-save-btn,
.eq-delete-btn {
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 6px;
    padding: 0.4rem 0.7rem;
    color: var(--accent, #6366f1);
    font-size: 0.72rem;
    font-family: var(--font, 'Inter', sans-serif);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s ease;
}

.eq-save-btn:hover {
    background: rgba(99, 102, 241, 0.25);
}

.eq-delete-btn {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.eq-delete-btn:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* ─── Responsive ─── */

@media (max-width: 480px) {
    .eq-slider-wrap {
        height: 100px;
    }

    .eq-band-slider {
        width: 100px;
    }

    .eq-preset-btn {
        font-size: 0.65rem;
        padding: 0.25rem 0.5rem;
    }

    .eq-curve-wrap canvas {
        height: 80px;
    }
}