/* 多摄像头监控系统样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: Arial, sans-serif;
    background: #1a1a1a;
    color: white;
    overflow-x: hidden;
}
.controls {
    background: #3a3a3a;
    padding: 8px 12px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    border-bottom: 1px solid #555;
    position: sticky;
    top: 0;
    z-index: 1000;
}
.btn {
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    background: #4CAF50;
    color: white;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s;
}
.btn:hover {
    background: #45a049;
    transform: translateY(-2px);
}
.btn-refresh {
    background: #2196F3;
}
.btn-refresh:hover {
    background: #1976D2;
}
.camera-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    padding: 0;
    max-width: 100%;
    height: calc(100vh - 80px);
}
.camera-item {
    background: #2d2d2d;
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
    transition: all 0.3s ease;
    border: 1px solid #444;
    position: relative;
}
.camera-item:hover {
    transform: none;
    box-shadow: inset 0 0 0 3px #4CAF50;
    border-color: #4CAF50;
    z-index: 10;
}
.camera-header {
    background: #3a3a3a;
    padding: 8px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #555;
}
.camera-title {
    font-weight: bold;
    color: #4CAF50;
}
.camera-status {
    font-size: 12px;
    padding: 3px 8px;
    border-radius: 10px;
    background: #4CAF50;
}
.camera-frame-container {
    position: relative;
    width: 100%;
    height: calc(100% - 80px);
    background: #000;
}
.camera-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: #000;
    object-fit: contain;
}
.camera-controls {
    display: none;
}
.cam-btn {
    padding: 5px 10px;
    border: none;
    border-radius: 3px;
    background: #555;
    color: white;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s;
    min-width: 30px;
}
.cam-btn:hover {
    background: #666;
    transform: scale(1.1);
}
.cam-btn.active {
    background: #4CAF50;
    transform: scale(1.1);
    box-shadow: 0 0 5px rgba(76, 175, 80, 0.5);
}
.cam-btn-fullscreen {
    background: #FF9800;
}
.cam-btn-fullscreen:hover {
    background: #F57C00;
}
.camera-controls-combined {
    background: #3a3a3a;
    padding: 6px;
    display: flex;
    gap: 3px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    border-top: 1px solid #555;
}
.selector-btn {
    padding: 4px 8px;
    border: none;
    border-radius: 2px;
    background: #666;
    color: white;
    cursor: pointer;
    font-size: 11px;
    transition: all 0.2s;
    min-width: 25px;
}
.selector-btn:hover {
    background: #777;
    transform: scale(1.05);
}
.selector-btn.active {
    background: #2196F3;
    transform: scale(1.1);
    box-shadow: 0 0 3px rgba(33, 150, 243, 0.5);
}
.info-panel {
    position: fixed;
    top: 5px;
    left: 5px;
    background: rgba(45, 45, 45, 0.9);
    padding: 5px 8px;
    border-radius: 4px;
    font-size: 9px;
    max-width: 180px;
    backdrop-filter: blur(5px);
    z-index: 999;
    border: 1px solid #555;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    line-height: 1.2;
}
.status-info {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-left: auto;
    font-size: 12px;
    color: #ccc;
}
.status-item {
    display: flex;
    align-items: center;
    gap: 5px;
}
.status-item strong {
    color: #4CAF50;
}
.info-item {
    margin: 5px 0;
}
.info-item strong {
    color: #4CAF50;
}
@media (max-width: 1200px) {
    .camera-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .camera-grid {
        grid-template-columns: 1fr;
        padding: 10px;
    }
    .controls {
        flex-direction: column;
    }
    .info-panel {
        position: relative;
        top: auto;
        left: auto;
        max-width: 100%;
        margin: 10px;
    }
}