* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    overflow: hidden;
    color: #fff;
}

#container {
    width: 100%;
    height: 100%;
}

.ui-panel {
    position: fixed;
    right: 20px;
    top: 20px;
    width: 320px;
    background: rgba(10, 10, 20, 0.9);
    border: 2px solid #00d4ff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    overflow-y: auto;
    max-height: 90vh;
    backdrop-filter: blur(10px);
}

.ui-panel h1 {
    font-size: 18px;
    margin-bottom: 20px;
    text-align: center;
    color: #00d4ff;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.control-group {
    margin-bottom: 20px;
    padding: 12px;
    background: rgba(0, 212, 255, 0.05);
    border-left: 3px solid #00d4ff;
    border-radius: 6px;
}

.control-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: #00d4ff;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn {
    width: 100%;
    padding: 10px 15px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #0066cc, #00ccff);
    border: 1px solid #00d4ff;
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
}

.btn:hover {
    background: linear-gradient(135deg, #0052a3, #00a8cc);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn.active {
    background: linear-gradient(135deg, #ff6b6b, #ff0000);
    border-color: #ff6b6b;
}

.btn.active:hover {
    background: linear-gradient(135deg, #cc0000, #dd0000);
    box-shadow: 0 0 15px rgba(255, 0, 0, 0.5);
}

.btn-large {
    padding: 14px;
    font-size: 13px;
    background: linear-gradient(135deg, #00ff88, #00cc00);
    border-color: #00ff88;
}

.btn-large:hover {
    background: linear-gradient(135deg, #00dd77, #00aa00);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.6);
}

.slider-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 12px;
}

.slider-group span:first-child {
    min-width: 80px;
    color: #00d4ff;
}

.slider-group span:last-child {
    min-width: 30px;
    text-align: right;
    color: #00ff88;
    font-weight: 600;
}

.slider {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(90deg, #0066cc, #00d4ff);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #00ff88;
    cursor: pointer;
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.6);
}

.slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #00ff88;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.6);
}

.stats {
    background: rgba(0, 212, 255, 0.1);
    padding: 12px;
    border-radius: 6px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    margin-bottom: 15px;
    font-size: 12px;
}

.stats p {
    margin: 6px 0;
    display: flex;
    justify-content: space-between;
}

.stats span {
    color: #00ff88;
    font-weight: 600;
}

.info {
    background: rgba(0, 255, 136, 0.05);
    padding: 12px;
    border-radius: 6px;
    border: 1px solid rgba(0, 255, 136, 0.3);
    font-size: 11px;
    line-height: 1.6;
}

.info p {
    margin: 4px 0;
}

/* 捲軸美化 */
.ui-panel::-webkit-scrollbar {
    width: 6px;
}

.ui-panel::-webkit-scrollbar-track {
    background: rgba(0, 212, 255, 0.1);
    border-radius: 3px;
}

.ui-panel::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 255, 0.4);
    border-radius: 3px;
}

.ui-panel::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 212, 255, 0.6);
}

/* 響應式 */
@media (max-width: 768px) {
    .ui-panel {
        width: 280px;
        right: 10px;
        top: 10px;
        max-height: 85vh;
    }

    .ui-panel h1 {
        font-size: 16px;
    }

    .slider-group {
        font-size: 11px;
    }
}