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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #0f0f23;
    color: #cccccc;
    line-height: 1.6;
}

.header {
    background: #1a1a2e;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #333;
}

.header h1 {
    color: #00ff88;
    font-size: 1.5rem;
}

.status-bar {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.status {
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status.connected {
    background: rgba(0, 255, 136, 0.2);
    color: #00ff88;
}

.status.disconnected {
    background: rgba(255, 68, 68, 0.2);
    color: #ff4444;
}

.version {
    color: #666;
    font-size: 0.85rem;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.card {
    background: #1a1a2e;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid #333;
}

.card h3 {
    color: #888;
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.card .metric {
    font-size: 2rem;
    font-weight: bold;
    color: #00ff88;
}

.card .metric.healthy {
    color: #00ff88;
}

.card .metric.unhealthy {
    color: #ff4444;
}

.card .label {
    color: #666;
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.section {
    background: #1a1a2e;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid #333;
}

.section h2 {
    color: #00ff88;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #333;
}

.phones {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.phone {
    background: #0f0f23;
    border-radius: 6px;
    padding: 1rem;
    border: 1px solid #333;
}

.phone.online {
    border-color: #00ff88;
}

.phone.offline {
    border-color: #ff4444;
    opacity: 0.7;
}

.phone-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.phone-id {
    font-weight: bold;
    color: #fff;
}

.phone-status {
    font-size: 0.8rem;
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
}

.phone.online .phone-status {
    background: rgba(0, 255, 136, 0.2);
    color: #00ff88;
}

.phone.offline .phone-status {
    background: rgba(255, 68, 68, 0.2);
    color: #ff4444;
}

.phone-positions {
    color: #888;
    font-size: 0.85rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.metric-item {
    text-align: center;
    padding: 1rem;
    background: #0f0f23;
    border-radius: 6px;
}

.metric-value {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: #00d4ff;
}

.metric-label {
    display: block;
    color: #666;
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.ws-test {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.ws-test input {
    flex: 1;
    padding: 0.5rem 1rem;
    background: #0f0f23;
    border: 1px solid #333;
    border-radius: 4px;
    color: #fff;
    font-size: 0.9rem;
}

.ws-test button {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: opacity 0.2s;
}

.ws-test button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#ws-connect-btn {
    background: #00ff88;
    color: #000;
}

#ws-disconnect-btn {
    background: #ff4444;
    color: #fff;
}

.ws-log, .signal-log {
    background: #0f0f23;
    border-radius: 6px;
    padding: 1rem;
    max-height: 200px;
    overflow-y: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
}

.log-entry, .signal-entry {
    padding: 0.25rem 0;
    border-bottom: 1px solid #222;
}

.log-entry:last-child, .signal-entry:last-child {
    border-bottom: none;
}

.log-entry.error {
    color: #ff4444;
}

.log-entry.success {
    color: #00ff88;
}

.signal-entry {
    display: flex;
    justify-content: space-between;
}

.signal-entry .time {
    color: #666;
}

.signal-entry .symbol {
    color: #00d4ff;
    font-weight: bold;
}

.signal-entry .direction.long {
    color: #00ff88;
}

.signal-entry .direction.short {
    color: #ff4444;
}

.footer {
    text-align: center;
    padding: 1rem;
    color: #444;
    font-size: 0.8rem;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #0f0f23;
}

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #444;
}