/* 重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Roboto Mono', monospace;
    background-color: #0a0a1a;
    color: #00ffff;
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* 主容器 */
.container {
    display: flex;
    height: 100vh;
    width: 100vw;
    background: linear-gradient(135deg, #0a0a1a 0%, #151530 100%);
}

/* 工具栏通用样式 */
.toolbar {
    width: 280px;
    background-color: rgba(10, 15, 30, 0.9);
    border: 1px solid #00ffff;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
    padding: 15px;
    overflow-y: auto;
    z-index: 10;
}

.left-toolbar {
    border-right: 2px solid #ff00ff;
}

.right-toolbar {
    border-left: 2px solid #ff00ff;
}

/* 工具部分 */
.tool-section {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
}

.section-title {
    font-size: 16px;
    margin-bottom: 15px;
    color: #ff00ff;
    text-shadow: 0 0 10px rgba(255, 0, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 工具按钮 */
.tool-buttons, .advanced-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.tool-btn, .adv-btn, .control-btn, .layer-action-btn {
    background-color: rgba(0, 40, 80, 0.8);
    border: 1px solid #00ffff;
    color: #00ffff;
    padding: 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    text-align: center;
}

.tool-btn:hover, .adv-btn:hover, .control-btn:hover, .layer-action-btn:hover {
    background-color: rgba(0, 100, 200, 0.8);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.7);
    transform: translateY(-2px);
}

.tool-btn.active, .adv-btn.active {
    background-color: rgba(255, 0, 255, 0.3);
    border-color: #ff00ff;
    box-shadow: 0 0 15px rgba(255, 0, 255, 0.7);
}

.tool-btn i, .adv-btn i {
    font-size: 18px;
}

.control-btn {
    padding: 8px 15px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 5px;
}

.control-btn.danger {
    background-color: rgba(200, 0, 50, 0.7);
    border-color: #ff0055;
}

.control-btn.danger:hover {
    background-color: rgba(255, 0, 80, 0.9);
    box-shadow: 0 0 15px rgba(255, 0, 80, 0.7);
}

.control-btn.success {
    background-color: rgba(0, 150, 80, 0.7);
    border-color: #00ffaa;
}

.control-btn.success:hover {
    background-color: rgba(0, 200, 100, 0.9);
    box-shadow: 0 0 15px rgba(0, 255, 170, 0.7);
}

/* 控制组 */
.control-group {
    margin-bottom: 15px;
}

.control-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: #a0f0ff;
}

input[type="range"] {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    background: linear-gradient(to right, #00aaff, #ff00ff);
    border-radius: 4px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: #00ffff;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.8);
}

select {
    width: 100%;
    padding: 8px;
    background-color: rgba(0, 30, 60, 0.9);
    border: 1px solid #00ffff;
    color: #00ffff;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
}

/* 颜色面板 */
.color-palette {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 15px;
}

.color-swatch {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.color-swatch:hover {
    transform: scale(1.2);
    box-shadow: 0 0 15px currentColor;
}

.color-swatch.active {
    border-color: #fff;
    box-shadow: 0 0 15px currentColor, 0 0 25px currentColor;
}

.neon-blue { background-color: #00ffff; }
.neon-pink { background-color: #ff00ff; }
.neon-green { background-color: #00ff00; }
.neon-yellow { background-color: #ffff00; }
.neon-purple { background-color: #9000ff; }
.white { background-color: #ffffff; }
.black { background-color: #000000; }

.custom-color {
    display: flex;
    align-items: center;
    gap: 10px;
}

#customColorPicker {
    width: 50px;
    height: 50px;
    border: 2px solid #00ffff;
    border-radius: 8px;
    cursor: pointer;
    background: transparent;
}

/* 画布容器 */
.canvas-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 15px;
}

.canvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0, 255, 255, 0.3);
}

.canvas-info {
    display: flex;
    gap: 20px;
    font-size: 14px;
}

.coordinates, .tool-indicator {
    background-color: rgba(0, 30, 60, 0.7);
    padding: 8px 15px;
    border-radius: 6px;
    border: 1px solid #00aaff;
}

/* 画布 */
#drawingCanvas {
    flex: 1;
    background-color: #0a0a1a;
    border: 2px solid #00ffff;
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.4);
    cursor: crosshair;
    touch-action: none;
}

.canvas-footer {
    margin-top: 15px;
    padding-top: 10px;
    border-top: 1px solid rgba(0, 255, 255, 0.3);
    font-size: 14px;
    color: #a0f0ff;
    text-align: center;
}

.hint i {
    color: #ff00ff;
    margin-right: 8px;
}

/* 图层管理 */
.layer-list {
    margin-bottom: 15px;
}

.layer-item {
    display: flex;
    align-items: center;
    padding: 10px;
    background-color: rgba(0, 30, 60, 0.5);
    border-radius: 6px;
    margin-bottom: 8px;
    border: 1px solid #00aaff;
}

.layer-item.active {
    background-color: rgba(0, 60, 120, 0.7);
    border-color: #00ffff;
}

.layer-item i {
    margin-right: 10px;
    color: #ff00ff;
}

.layer-item span {
    flex: 1;
}

.layer-actions {
    display: flex;
    gap: 5px;
}

.layer-btn {
    background: transparent;
    border: none;
    color: #00ffff;
    cursor: pointer;
    font-size: 14px;
}

.layer-buttons {
    display: flex;
    gap: 10px;
}

/* 历史记录 */
.history-list {
    max-height: 150px;
    overflow-y: auto;
    margin-bottom: 10px;
}

.history-item {
    padding: 8px 12px;
    background-color: rgba(0, 30, 60, 0.5);
    border-radius: 4px;
    margin-bottom: 5px;
    font-size: 13px;
    border-left: 3px solid #00ffff;
}

.history-info {
    font-size: 14px;
    color: #a0f0ff;
    text-align: center;
    padding: 8px;
    background-color: rgba(0, 30, 60, 0.5);
    border-radius: 6px;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 10, 20, 0.9);
    z-index: 100;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: rgba(10, 20, 40, 0.95);
    border: 2px solid #00ffff;
    border-radius: 10px;
    padding: 25px;
    width: 400px;
    box-shadow: 0 0 40px rgba(0, 255, 255, 0.5);
}

.modal-content h3 {
    margin-bottom: 20px;
    color: #ff00ff;
    text-align: center;
}

#textInput {
    width: 100%;
    padding: 12px;
    background-color: rgba(0, 30, 60, 0.9);
    border: 1px solid #00ffff;
    color: #00ffff;
    border-radius: 6px;
    font-size: 16px;
    margin-bottom: 20px;
    outline: none;
}

.modal-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.modal-btn {
    padding: 10px 25px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.modal-btn.confirm {
    background-color: rgba(0, 150, 80, 0.9);
    color: #00ffaa;
    border: 1px solid #00ffaa;
}

.modal-btn.confirm:hover {
    background-color: rgba(0, 200, 100, 1);
    box-shadow: 0 0 20px rgba(0, 255, 170, 0.7);
}

.modal-btn.cancel {
    background-color: rgba(200, 0, 50, 0.9);
    color: #ff5577;
    border: 1px solid #ff5577;
}

.modal-btn.cancel:hover {
    background-color: rgba(255, 0, 80, 1);
    box-shadow: 0 0 20px rgba(255, 0, 80, 0.7);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 30, 60, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, #00ffff, #ff00ff);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, #00aaff, #ff00aa);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .toolbar {
        width: 240px;
    }
}

@media (max-width: 900px) {
    .container {
        flex-direction: column;
    }
    
    .toolbar {
        width: 100%;
        height: auto;
        max-height: 200px;
    }
    
    .left-toolbar, .right-toolbar {
        border-right: none;
        border-left: none;
        border-bottom: 2px solid #ff00ff;
    }
    
    .canvas-container {
        height: 60vh;
    }
    
    .tool-buttons, .advanced-buttons {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 动画效果 */
@keyframes pulse {
    0% { box-shadow: 0 0 5px rgba(0, 255, 255, 0.5); }
    50% { box-shadow: 0 0 20px rgba(0, 255, 255, 0.9); }
    100% { box-shadow: 0 0 5px rgba(0, 255, 255, 0.5); }
}

.pulse {
    animation: pulse 2s infinite;
}