* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f5f5;
    min-height: 100vh;
    padding: 20px;
}
.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    overflow: hidden;
}
.header {
    background: #ffffff;
    color: #333;
    padding: 15px 30px;
    text-align: center;
    border-bottom: 2px solid #67EA94;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}
.header img {
    height: 69px;
    width: auto;
    object-fit: contain;
}
.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.header h1 {
    font-size: 1.8em;
    margin: 0;
    color: #2d5016;
}
.header p {
    margin: 5px 0 0 0;
    color: #666;
    font-size: 0.95em;
}
.main-nav {
    display: flex;
    gap: 15px;
    margin-top: 10px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}
.main-nav a {
    color: #67EA94;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9em;
    padding: 6px 12px;
    border-radius: 4px;
    transition: all 0.2s;
}
.main-nav a:hover {
    background: #f0f8f4;
    text-decoration: none;
}
.main-nav a.active {
    background: #67EA94;
    color: #2d5016;
}
.main-nav a.logout {
    margin-left: auto;
    color: #c33;
}
.main-nav a.logout:hover {
    background: #fee;
    color: #a00;
}
.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: #f8f9fa;
    border-bottom: 2px solid #e9ecef;
}
.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
}
.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}
.status-dot.connected {
    background: #28a745;
}
.status-dot.disconnected {
    background: #dc3545;
    animation: none;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
.stats {
    display: flex;
    gap: 30px;
}
.stat {
    text-align: center;
}
.stat-value {
    font-size: 2em;
    font-weight: bold;
    color: #67EA94;
}
.stat-label {
    font-size: 0.9em;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 1px;
}
button {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
}
.btn-primary {
    background: #67EA94;
    color: #2d5016;
}
.btn-primary:hover {
    background: #5dd884;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(103, 234, 148, 0.4);
}
.btn-secondary {
    background: #6c757d;
    color: white;
}
.btn-secondary:hover {
    background: #5a6268;
}
.btn-danger {
    background: #dc3545;
    color: white;
}
.btn-danger:hover {
    background: #c82333;
}
button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}
.info-value.number {
    color: #67EA94;
}
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #6c757d;
}
.empty-state svg {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    opacity: 0.5;
}
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #555;
}