/* ===== 基础布局 ===== */
body {
    margin: 0;
    background: #1e272e;
    overflow: hidden;
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* ===== 顶部工具栏 ===== */
#toolbar {
    height: 40px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 6px;
    background: rgba(121, 148, 132, 0.85);
    color: #fff;
    z-index: 1000;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

#toolbar button {
    background: transparent;
    border: 2px solid rgba(49, 44, 191, 0.25);
    color: #fff;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
}

#toolbar button:hover {
    background: rgba(6, 222, 85, 0.3);
}

#toolbar button:disabled {
    background-color: #f5f5f5;
    color: #bcbcbc;
    border: 1px solid #d9d9d9;
    cursor: not-allowed;
    opacity: 0.6;
}

#toolbar select {
    padding: 5px;
    border-radius: 6px;
}

/* ===== 故障弹窗 ===== */
#faultModal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: #fff;
    width: 400px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.modal-header {
    background: #34495e;
    color: white;
    padding: 15px;
    font-size: 18px;
    font-weight: bold;
}

.modal-body {
    padding: 20px;
    max-height: 400px;
    overflow-y: auto;
}

.modal-footer {
    background: #f1f2f6;
    padding: 15px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.btn-cancel {
    padding: 8px 20px;
    background: #95a5a6;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.btn-apply {
    padding: 8px 25px;
    background: #27ae60;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}

/* ===== 故障复选框 ===== */
.f-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-bottom: 1px solid #eee;
    cursor: pointer;
    transition: background 0.2s;
}

.f-checkbox:hover {
    background: #f8f9fa;
}

.f-checkbox input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.f-checkbox:last-child {
    border-bottom: none;
}

/* ===== Konva容器 ===== */
#container {
    flex: 1;
    width: 100%;
    min-height: 0;
    background: #f6f8f9;
    background-image: radial-gradient(rgba(0, 0, 0, .15) 1px, transparent 1px);
    background-size: 60px 60px;
    position: relative;
}