/* 移动控制相关样式 */
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    padding: 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.title {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 40px;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

/* 手柄风格布局 */
.controller {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    width: 100%;
    max-width: 600px;
}

/* 控制器布局 */
.controller-layout {
    display: flex;
    align-items: center;
    justify-content: space-around;
    width: 100%;
    padding: 30px;
    background: linear-gradient(145deg, #e6e6e6, #ffffff);
    border-radius: 20px;
    box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.1), -10px -10px 20px rgba(255, 255, 255, 0.7);
}

/* 方向键区域 */
.dpad {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.dpad-row {
    display: flex;
    gap: 10px;
}

/* 中间录制回放控制 */
.center-controls {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

/* 右侧旋转控制 */
.rotate-controls {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

/* 按钮样式 */
.btn {
    width: 70px;
    height: 70px;
    border: none;
    border-radius: 15px;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.1), -5px -5px 10px rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0));
    z-index: 1;
}

.btn span {
    position: relative;
    z-index: 2;
}

/* 方向按钮样式 */
.btn-forward {
    background: linear-gradient(145deg, #4CAF50, #45a049);
    color: white;
}

.btn-backward {
    background: linear-gradient(145deg, #f44336, #da190b);
    color: white;
}

.btn-left {
    background: linear-gradient(145deg, #2196F3, #1976D2);
    color: white;
}

.btn-right {
    background: linear-gradient(145deg, #FF9800, #F57C00);
    color: white;
}

/* 斜向按钮样式 */
.btn-forward-left {
    background: linear-gradient(145deg, #4CAF50, #45a049);
    color: white;
}

.btn-forward-right {
    background: linear-gradient(145deg, #4CAF50, #45a049);
    color: white;
}

.btn-backward-left {
    background: linear-gradient(145deg, #f44336, #da190b);
    color: white;
}

.btn-backward-right {
    background: linear-gradient(145deg, #f44336, #da190b);
    color: white;
}

/* 旋转按钮样式 */
.btn-rotate-left {
    background: linear-gradient(145deg, #9C27B0, #7B1FA2);
    color: white;
}

.btn-rotate-right {
    background: linear-gradient(145deg, #607D8B, #455A64);
    color: white;
}

/* 中心方块样式 */
.btn-center {
    background: linear-gradient(145deg, #666666, #444444);
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.1), -5px -5px 10px rgba(255, 255, 255, 0.7);
    cursor: default;
}

.btn-center:hover {
    transform: none;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.1), -5px -5px 10px rgba(255, 255, 255, 0.7);
}

.btn-center:active {
    transform: none;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.1), -5px -5px 10px rgba(255, 255, 255, 0.7);
}

/* 录制回放按钮样式 */
.btn-record {
    background: linear-gradient(145deg, #FF5722, #E64A19);
    color: white;
    width: 120px;
    height: 50px;
    font-size: 16px;
    border-radius: 25px;
}

.btn-playback {
    background: linear-gradient(145deg, #00BCD4, #0097A7);
    color: white;
    width: 120px;
    height: 50px;
    font-size: 16px;
    border-radius: 25px;
}

/* 按钮动画效果 */
.btn:hover {
    transform: translateY(-3px);
    box-shadow: 8px 8px 16px rgba(0, 0, 0, 0.15), -8px -8px 16px rgba(255, 255, 255, 0.8);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 3px 3px 6px rgba(0, 0, 0, 0.2), -3px -3px 6px rgba(255, 255, 255, 0.6);
}

/* 状态显示 */
.status {
    margin-top: 30px;
    padding: 20px;
    background: linear-gradient(145deg, #f5f5f5, #e0e0e0);
    border-radius: 15px;
    min-height: 60px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: inset 5px 5px 10px rgba(0, 0, 0, 0.1), inset -5px -5px 10px rgba(255, 255, 255, 0.7);
}

.status p {
    color: #666;
    margin: 0;
    font-size: 18px;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 650px) {
    .controller-layout {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }
    
    .dpad-row {
        gap: 8px;
    }
    
    .btn {
        width: 60px;
        height: 60px;
        font-size: 18px;
    }
    
    .btn-record, .btn-playback {
        width: 100px;
        height: 45px;
        font-size: 14px;
    }
    
    .title {
        font-size: 24px;
    }
}

@media (max-width: 400px) {
    .btn {
        width: 50px;
        height: 50px;
        font-size: 16px;
    }
    
    .btn-record, .btn-playback {
        width: 90px;
        height: 40px;
        font-size: 13px;
    }
    
    .title {
        font-size: 20px;
    }
}