:root {
    --bg-color: #050505;
    --sidebar-bg: #0a0a0a;
    --panel-bg: #111111;
    --text-primary: #f0f0f0;
    --text-secondary: #888888;
    --accent-primary: #3b82f6;
    --accent-hover: #2563eb;
    --border-color: #222222;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

.logo h2 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.025em;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.nav-item:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.03);
    transform: translateX(4px);
}

.nav-item.active {
    color: var(--text-primary);
    background-color: rgba(59, 130, 246, 0.1);
}

.nav-item.active svg {
    color: var(--accent-primary);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981, #3b82f6);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 500;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Main Content */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: 70px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    background-color: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.search-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--panel-bg);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    width: 300px;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.search-bar:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.search-bar input {
    background: none;
    border: none;
    color: var(--text-primary);
    width: 100%;
    outline: none;
    font-size: 0.9rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

.notification-btn {
    position: relative;
}

.badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background-color: var(--danger);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.primary-btn {
    background-color: var(--accent-primary);
    color: white;
}

.primary-btn:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Dashboard */
.dashboard {
    padding: 2rem;
}

.welcome-section {
    margin-bottom: 2rem;
}

.welcome-section h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.metric-card {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.1);
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.metric-header h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.trend {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
}

.trend.positive {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.trend.neutral {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

.metric-value {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.metric-chart {
    height: 40px;
    display: flex;
    align-items: flex-end;
}

.chart-line {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--success));
    position: relative;
}

.chart-line::after {
    content: '';
    position: absolute;
    right: 0;
    top: -3px;
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--success);
}

.latency-line {
    background: linear-gradient(90deg, transparent, var(--accent-primary));
}
.latency-line::after {
    background-color: var(--accent-primary);
    box-shadow: 0 0 8px var(--accent-primary);
}

.chart-bar-group {
    display: flex;
    gap: 4px;
    width: 100%;
    align-items: flex-end;
    height: 100%;
}

.chart-bar {
    flex: 1;
    background-color: var(--accent-primary);
    border-radius: 2px 2px 0 0;
    opacity: 0.6;
    transition: height 0.5s ease;
}

.chart-bar:hover {
    opacity: 1;
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.panel {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.panel-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.insights-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.insight-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: transform 0.2s ease;
}

.insight-item:hover {
    transform: translateX(4px);
    background-color: rgba(255, 255, 255, 0.04);
}

.insight-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.insight-icon.alert {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.insight-icon.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.insight-icon.info {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--accent-primary);
}

.insight-content h4 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.insight-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.time {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.status-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.status-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot.green {
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.dot.yellow {
    background-color: var(--warning);
    box-shadow: 0 0 8px var(--warning);
}

.pulse {
    animation: pulse 2s infinite;
}

.resource-usage {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.usage-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.progress-bar {
    height: 6px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), #8b5cf6);
    border-radius: 3px;
    transition: width 1s ease;
}

/* Animations */
@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.4; }
    100% { opacity: 1; }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
    opacity: 0;
}

#auth-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
}