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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

header h1 {
    color: #2c3e50;
    font-size: 1.8em;
}

.refresh-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

#refresh-btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
}

#refresh-btn:hover {
    background-color: #2980b9;
}

.status-summary {
    display: flex;
    justify-content: space-around;
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.summary-item {
    text-align: center;
    padding: 10px;
}

.summary-label {
    display: block;
    font-size: 14px;
    color: #7f8c8d;
}

.summary-value {
    display: block;
    font-size: 24px;
    font-weight: bold;
    color: #27ae60;
}

.abnormal-count {
    color: #e74c3c;
}

.occupied-count {
    color: #3498db;
}

.rooms-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(125px, 1fr));
    gap: 15px;
}

#loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    font-size: 18px;
    color: #7f8c8d;
}

.no-data {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    font-size: 18px;
    color: #7f8c8d;
}

.room-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
}

.room-header {
    padding: 15px;
    color: white;
    font-weight: bold;
}

.room-status-idle {
    background-color: #27ae60; /* 绿色 - 空闲 */
}

.room-status-abnormal {
    background-color: #e74c3c; /* 红色 - 异常 */
}

.room-status-occupied {
    background-color: #3498db; /* 蓝色 - 使用中 */
}

.room-name {
    font-size: 1.0em;
}

.room-details {
    padding: 5px;
}

.computer-list {
    list-style: none;
}

.computer-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
    border-bottom: 1px solid #eee;
}

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

.computer-name {
    font-weight: 500;
}

.computer-status {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-left: 10px;
}

.status-online {
    background-color: #27ae60;
}

.status-offline {
    background-color: #e74c3c;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    header h1 {
        font-size: 1.5em;
    }
    
    .refresh-info {
        width: 100%;
        justify-content: space-between;
    }
    
    .status-summary {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .rooms-container {
        grid-template-columns: 1fr;
    }
    
    .summary-item {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .room-card {
        margin-bottom: 15px;
    }
    
    .computer-item {
        flex-direction: column;
        gap: 5px;
    }
    
    .computer-status {
        align-self: flex-start;
    }
}