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

body {
    font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
    background: #1a1a2e;
    color: #e0e0e0;
}

#app {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ===== 左侧地图区域 ===== */
#canvas-wrapper {
    flex: 1;
    overflow: auto;
    background: #0f0f1a;
    padding: 10px;
}

#map-canvas {
    display: block;
    background: #2a2a2a;
}

/* ===== 右侧控制面板 ===== */
#panel {
    width: 320px;
    background: #16213e;
    padding: 20px;
    overflow-y: auto;
    border-left: 2px solid #0f3460;
}

#panel h1 {
    font-size: 20px;
    color: #00adb5;
    margin-bottom: 20px;
    text-align: center;
}

/* ===== 按钮组 ===== */
.control-group {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.btn {
    flex: 1;
    padding: 10px 0;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    color: white;
    transition: opacity 0.2s;
}

.btn:hover { opacity: 0.85; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-start { background: #00b894; }
.btn-stop { background: #d63031; }
.btn-reset { background: #6c5ce7; }

/* ===== 统计信息 ===== */
.stats {
    background: #0f3460;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #1a1a3e;
}

.stat-item:last-child { border-bottom: none; }

.stat-label {
    color: #a0a0c0;
    font-size: 13px;
}

.stat-value {
    color: #00adb5;
    font-weight: bold;
    font-size: 14px;
}

#finish-banner {
    background: #1b5e20;
    border-radius: 6px;
    padding: 8px;
    margin-top: 8px;
}

#finish-banner .stat-label { color: #4caf50; }
#finish-banner .stat-value { color: #81c784; }

/* ===== 图例 ===== */
.legend {
    background: #0f3460;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.legend h3 {
    font-size: 14px;
    color: #00adb5;
    margin-bottom: 10px;
}

.legend div {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    font-size: 12px;
    color: #c0c0e0;
}

.dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

/* ===== WebSocket 状态 ===== */
#ws-status {
    text-align: center;
    font-size: 12px;
    color: #888;
    padding: 8px;
    background: #0f3460;
    border-radius: 6px;
}

#ws-indicator.connected { color: #00b894; }
#ws-indicator.disconnected { color: #d63031; }
#ws-indicator.connecting { color: #fdcb6e; }