.pad-panel {
    max-width: 600px;
    margin: 0 auto;
    padding: 32px;
    text-align: center
}

.pad-controls {
    display: flex;
    gap: 20px;
    align-items: flex-end;
    margin-bottom: 28px;
    text-align: left;
    flex-wrap: wrap
}

.pad-controls .control-group {
    flex: 1;
    min-width: 140px
}

.pad-controls select {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    font-size: 0.92rem
}

.pad-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px
}

.sound-pad {
    aspect-ratio: 1;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    background: var(--bg);
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.1s, background 0.1s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    -webkit-user-select: none;
    user-select: none;
    min-height: 90px
}

.sound-pad .pad-label {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text);
    pointer-events: none
}

.sound-pad .pad-key {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-weight: 600;
    pointer-events: none;
    background: rgba(0, 0, 0, 0.06);
    padding: 2px 8px;
    border-radius: 4px
}

.sound-pad:hover {
    border-color: var(--primary-light);
    background: color-mix(in srgb, var(--primary) 5%, transparent)
}

.sound-pad:active,
.sound-pad.triggered {
    transform: scale(0.94);
    box-shadow: 0 0 16px rgba(108, 92, 231, 0.4);
    border-color: var(--primary);
    background: color-mix(in srgb, var(--primary) 15%, transparent)
}

.sound-pad.color-0 {
    border-left: 4px solid #6c5ce7
}

.sound-pad.color-1 {
    border-left: 4px solid #e17055
}

.sound-pad.color-2 {
    border-left: 4px solid #00cec9
}

.sound-pad.color-3 {
    border-left: 4px solid #fdcb6e
}

.sound-pad.color-4 {
    border-left: 4px solid #a29bfe
}

.sound-pad.color-5 {
    border-left: 4px solid #55efc4
}

.sound-pad.color-6 {
    border-left: 4px solid #e84393
}

.sound-pad.color-7 {
    border-left: 4px solid #74b9ff
}

.sound-pad.color-8 {
    border-left: 4px solid #ffeaa7
}

.sound-pad.color-9 {
    border-left: 4px solid #dfe6e9
}

.sound-pad.color-10 {
    border-left: 4px solid #fab1a0
}

.sound-pad.color-11 {
    border-left: 4px solid #81ecec
}

.sound-pad.color-12 {
    border-left: 4px solid #fd79a8
}

.sound-pad.color-13 {
    border-left: 4px solid #636e72
}

.sound-pad.color-14 {
    border-left: 4px solid #00b894
}

.sound-pad.color-15 {
    border-left: 4px solid #e17055
}

.pad-hint {
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-bottom: 0
}

.tutorial-link-box {
    max-width: 600px;
    margin: 20px auto 0;
    text-align: center;
    padding: 16px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px dashed var(--border)
}

.tutorial-link-box a {
    font-weight: 600;
    font-size: 0.92rem
}

@media(max-width:768px) {
    .pad-panel {
        padding: 20px 16px
    }

    .pad-grid {
        gap: 8px
    }

    .sound-pad {
        min-height: 70px
    }

    .sound-pad .pad-label {
        font-size: 0.72rem
    }
}

@media(max-width:480px) {
    .pad-grid {
        grid-template-columns: repeat(3, 1fr)
    }

    .sound-pad {
        min-height: 60px
    }
}