/* Server Dashboard Styles - Mobile First */

:root {
    /* Colors */
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: #16213e;
    --bg-card-hover: #1a2744;
    --text-primary: #eaeaea;
    --text-secondary: #a0a0a0;
    --text-muted: #6a6a6a;
    
    /* Accent Colors */
    --accent-cpu: #e94560;
    --accent-cpu-light: #ff6b6b;
    --accent-mem: #4ecdc4;
    --accent-mem-light: #7ee8e2;
    --accent-disk: #f9ca24;
    --accent-disk-light: #ffd93d;
    --accent-net: #6c5ce7;
    --accent-net-light: #a29bfe;
    --accent-swap: #fd79a8;
    --accent-success: #00b894;
    --accent-warning: #fdcb6e;
    --accent-danger: #d63031;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-md);
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.header-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.hostname {
    font-weight: 500;
    color: var(--accent-net-light);
}

/* Dashboard Grid */
.dashboard {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    flex: 1;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: background var(--transition-fast);
}

.card:hover {
    background: var(--bg-card-hover);
}

.card h2 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.info-item .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-item .value {
    font-size: 1rem;
    font-weight: 500;
}

/* Gauge */
.gauge-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.gauge {
    position: relative;
    width: 140px;
    height: 80px;
}

.gauge svg {
    width: 100%;
    height: 100%;
}

.gauge-bg {
    fill: none;
    stroke: var(--bg-secondary);
    stroke-width: 8;
    stroke-linecap: round;
}

.gauge-fill {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 126;
    stroke-dashoffset: 126;
    transition: stroke-dashoffset var(--transition-normal);
}

.cpu-fill { stroke: var(--accent-cpu); }
.mem-fill { stroke: var(--accent-mem); }

.gauge-value {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    font-weight: 700;
}

/* Stats Row */
.stats-row {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.stat-sep {
    color: var(--text-muted);
}

/* CPU Cores Grid */
.cores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.core-bar {
    height: 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.core-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-cpu), var(--accent-cpu-light));
    transition: width var(--transition-normal);
}

.core-bar-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 500;
}

/* Progress Bar */
.progress-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.progress-bar {
    height: 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 6px;
    transition: width var(--transition-normal);
}

.swap-fill {
    background: linear-gradient(90deg, var(--accent-swap), #ff9ff3);
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Disk List */
.disk-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.disk-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
}

.disk-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-size: 0.85rem;
}

.disk-mount {
    font-weight: 500;
    color: var(--accent-disk-light);
    word-break: break-all;
}

.disk-percent {
    font-weight: 600;
}

.disk-bar {
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.disk-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-disk), var(--accent-disk-light));
    transition: width var(--transition-normal);
}

.disk-details {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Network Stats */
.network-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.net-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.net-icon {
    font-size: 1.25rem;
    color: var(--accent-net-light);
}

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

.net-value {
    font-size: 1rem;
    font-weight: 600;
}

/* Processes */
.processes-container {
    margin-top: var(--spacing-md);
    overflow-x: auto;
}

.processes-container.hidden {
    display: none;
}

.processes-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.processes-table th,
.processes-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--bg-secondary);
}

.processes-table th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.processes-table td:nth-child(2),
.processes-table td:nth-child(3) {
    text-align: right;
    font-family: 'SF Mono', 'Fira Code', monospace;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-fast);
    min-height: 44px;  /* Touch target */
    min-width: 44px;
}

.btn:hover {
    background: var(--accent-net);
}

.btn:active {
    transform: scale(0.98);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}

/* Footer */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    margin-top: var(--spacing-md);
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid var(--bg-secondary);
}

.status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.status-ok { color: var(--accent-success); }
.status-error { color: var(--accent-danger); }

/* Tablet+ Styles */
@media (min-width: 600px) {
    .header h1 {
        font-size: 1.75rem;
    }
    
    .dashboard {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .card-info,
    .card-disk,
    .card-processes {
        grid-column: span 2;
    }
    
    .gauge {
        width: 160px;
        height: 90px;
    }
}

/* Desktop Styles */
@media (min-width: 900px) {
    .dashboard {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .card-info {
        grid-column: span 3;
    }
    
    .card-disk {
        grid-column: span 2;
    }
    
    .card-processes {
        grid-column: span 3;
    }
    
    .card-network {
        grid-column: span 1;
    }
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Utility Classes */
.hidden { display: none !important; }
.text-success { color: var(--accent-success); }
.text-warning { color: var(--accent-warning); }
.text-danger { color: var(--accent-danger); }