.drum-panel {
    max-width: 900px;
    margin: 0 auto;
    padding: 32px
}

.drum-controls {
    display: flex;
    align-items: flex-end;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border)
}

.bpm-input-wrap {
    display: flex;
    align-items: center;
    gap: 4px
}

.bpm-adj {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: var(--bg);
    border: 1.5px solid var(--border);
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition)
}

.bpm-adj:hover {
    border-color: var(--primary);
    color: var(--primary)
}

.drum-controls input[type="number"] {
    width: 64px;
    text-align: center;
    padding: 8px 4px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 600
}

.transport-btns {
    display: flex;
    gap: 10px;
    margin-left: auto
}

.grid-container {
    overflow-x: auto;
    padding-bottom: 8px
}

.grid-header {
    display: flex;
    align-items: center;
    margin-bottom: 4px
}

.track-label {
    width: 72px;
    flex-shrink: 0
}

.step-numbers {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 4px;
    flex: 1;
    min-width: 0
}

.step-numbers span {
    text-align: center;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 600
}

.drum-grid {
    display: flex;
    flex-direction: column;
    gap: 4px
}

.drum-row {
    display: flex;
    align-items: center;
    gap: 0
}

.drum-row-label {
    width: 72px;
    flex-shrink: 0;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.5px
}

.drum-row-pads {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 4px;
    flex: 1;
    min-width: 0
}

.drum-pad {
    aspect-ratio: 1;
    border-radius: 4px;
    background: var(--bg);
    border: 1.5px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    min-width: 28px
}

.drum-pad:hover {
    border-color: var(--primary-light);
    background: color-mix(in srgb, var(--primary) 8%, transparent)
}

.drum-pad.active {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 8px rgba(108, 92, 231, 0.3)
}

.drum-pad.current {
    box-shadow: inset 0 0 0 2px var(--accent)
}

.drum-pad.quarter {
    background: color-mix(in srgb, var(--bg) 90%, var(--border))
}

.step-indicator {
    display: grid;
    grid-template-columns: 72px repeat(16, 1fr);
    gap: 4px;
    margin-top: 8px
}

.step-indicator .step-mark {
    height: 4px;
    border-radius: 2px;
    background: var(--border);
    transition: background 0.1s
}

.step-indicator .step-mark.active {
    background: var(--accent)
}

.tutorial-link-box {
    max-width: 900px;
    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) {
    .drum-panel {
        padding: 20px 12px
    }

    .drum-controls {
        flex-direction: column;
        align-items: stretch
    }

    .transport-btns {
        margin-left: 0;
        justify-content: center
    }

    .drum-row-label {
        width: 52px;
        font-size: 0.72rem
    }

    .drum-pad {
        min-width: 20px
    }

    .track-label {
        width: 52px
    }
}

@media(max-width:480px) {
    .drum-pad {
        min-width: 16px;
        border-radius: 3px
    }
}