.gpt-wrapper {
    max-width: 720px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #e5e7eb;
    background: #111827;
    border: 1px solid #1f2937;
    border-radius: 12px;
    padding: 24px;
}

.gpt-status {
    text-align: center;
    font-size: 15px;
    padding: 12px;
    margin-bottom: 16px;
    background: #1f2937;
    border-radius: 8px;
}

.gpt-slots {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

@media (min-width: 480px) {
    .gpt-slots {
        grid-template-columns: repeat(4, 1fr);
    }
}

.gpt-slot {
    background: #1f2937;
    border: 1px solid #374151;
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    font-size: 13px;
}

.gpt-slot-label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    color: #9ca3af;
}

.gpt-slot-state {
    display: block;
    color: #6b7280;
}

.gpt-slot-connected {
    border-color: #22c55e;
}

.gpt-slot-connected .gpt-slot-state {
    color: #22c55e;
    font-weight: 600;
}

.gpt-panel-title {
    font-size: 16px;
    margin: 20px 0 10px;
    color: #f9fafb;
    border-bottom: 1px solid #1f2937;
    padding-bottom: 6px;
}

.gpt-buttons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 8px;
}

.gpt-button-box {
    background: #1f2937;
    border: 1px solid #374151;
    border-radius: 6px;
    padding: 8px 6px;
    text-align: center;
    font-size: 12px;
    transition: background 0.1s ease, border-color 0.1s ease;
}

.gpt-btn-pressed {
    background: #22c55e;
    border-color: #22c55e;
    color: #052e16;
    font-weight: 700;
}

.gpt-sticks-row {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.gpt-stick-box {
    text-align: center;
}

.gpt-stick-canvas-wrap canvas {
    background: #0b1220;
    border-radius: 50%;
}

.gpt-stick-info {
    font-size: 12px;
    color: #9ca3af;
    margin-top: 6px;
}

.gpt-triggers-row {
    display: flex;
    gap: 16px;
}

.gpt-trigger-box {
    flex: 1;
}

.gpt-trigger-box label {
    display: block;
    font-size: 12px;
    color: #9ca3af;
    margin-bottom: 4px;
}

.gpt-trigger-bar {
    background: #1f2937;
    border: 1px solid #374151;
    border-radius: 6px;
    height: 16px;
    overflow: hidden;
}

.gpt-trigger-fill {
    height: 100%;
    width: 0%;
    background: #3b82f6;
    transition: width 0.05s linear;
}

.gpt-vibration-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.gpt-btn {
    background: #3b82f6;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 10px 18px;
    font-size: 14px;
    cursor: pointer;
}

.gpt-btn:hover {
    background: #2563eb;
}

.gpt-vibrate-status {
    font-size: 13px;
    color: #9ca3af;
}