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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #1e3a5f 0%, #0d1b2a 100%);
    min-height: 100vh;
    color: #fff;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

h1 {
    font-size: 28px;
    font-weight: 600;
}

.refresh-btn {
    padding: 10px 20px;
    background: #4a9eff;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.3s;
}

.refresh-btn:hover {
    background: #357abd;
}

.loading {
    text-align: center;
    font-size: 18px;
    padding: 40px;
    color: #4a9eff;
}

.error {
    background: rgba(220, 53, 69, 0.2);
    border: 1px solid #dc3545;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    color: #ff6b6b;
}

.cameras-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

@media (max-width: 768px) {
    .cameras-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 15px;
    }

    header {
        flex-direction: column;
        gap: 15px;
    }

    h1 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .cameras-grid {
        grid-template-columns: 1fr;
    }
}

.camera-card {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.camera-card:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #4a9eff;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(74, 158, 255, 0.3);
}

.camera-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 15px;
    fill: #4a9eff;
}

.camera-name {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    word-break: break-word;
}

.camera-status {
    margin-top: 10px;
    font-size: 12px;
    color: #4a9eff;
}

.no-cameras {
    text-align: center;
    padding: 60px 20px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 18px;
}