/* ============================================================
   DGX SPARK CLUSTER MONITOR - CYBERPUNK THEME
   Visual Dashboard Edition
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=JetBrains+Mono:wght@300;400;500;700&family=Rajdhani:wght@300;400;500;600;700&display=swap');

:root {
    /* Core palette */
    --bg-void:        #050510;
    --bg-deep:        #0a0a1a;
    --bg-surface:     #0f0f23;
    --bg-card:        #111128;
    --bg-elevated:    #181838;

    /* Neon accents */
    --neon-cyan:      #00f0ff;
    --neon-pink:      #ff2a6d;
    --neon-purple:    #b026ff;
    --neon-green:     #05ffa1;
    --neon-yellow:    #f0ff00;
    --neon-orange:    #ff6a00;
    --neon-blue:      #2962ff;

    /* Text */
    --text-primary:   #e0e6ff;
    --text-secondary: #7a7fa8;
    --text-muted:     #4a4e6a;

    /* Borders / lines */
    --border-dim:     rgba(100, 100, 180, 0.15);
    --border-glow:    rgba(0, 240, 255, 0.3);

    /* Fonts */
    --font-display:   'Orbitron', monospace;
    --font-mono:      'JetBrains Mono', 'Consolas', monospace;
    --font-ui:        'Rajdhani', 'Segoe UI', sans-serif;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
    font-family: var(--font-mono);
    background: var(--bg-void);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* ---- Background effects ---- */
.grid-bg {
    position: fixed; inset: 0; z-index: -2;
    background-image:
        linear-gradient(rgba(0,240,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,240,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}
.scanline-overlay {
    position: fixed; inset: 0; z-index: 9999;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
}
body::before {
    content: '';
    position: fixed; inset: 0; z-index: -1;
    background:
        radial-gradient(ellipse at 15% 10%, rgba(176,38,255,0.08) 0%, transparent 40%),
        radial-gradient(ellipse at 85% 85%, rgba(0,240,255,0.06) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 50%, rgba(255,42,109,0.04) 0%, transparent 60%);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.cyber-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    height: 64px;
    background: rgba(10,10,26,0.92);
    border-bottom: 1px solid var(--border-dim);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.cyber-nav::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 5%, var(--neon-cyan) 30%, var(--neon-pink) 70%, transparent 95%);
    opacity: 0.5;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-icon {
    font-size: 1.5rem;
    color: var(--neon-cyan);
    filter: drop-shadow(0 0 6px var(--neon-cyan));
}
.brand-text {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.3rem;
    letter-spacing: 3px;
    color: var(--text-primary);
}
.brand-text .accent {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0,240,255,0.5);
}
.brand-sub {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #b0b4d0;
    margin-left: 4px;
}
.nav-links {
    display: flex;
    gap: 6px;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 4px;
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--text-secondary);
    border: 1px solid transparent;
    transition: all 0.25s var(--ease-out);
}
.nav-link:hover {
    color: var(--neon-cyan);
    border-color: var(--border-glow);
    background: rgba(0,240,255,0.05);
}
.nav-link.active {
    color: var(--neon-cyan);
    border-color: var(--neon-cyan);
    background: rgba(0,240,255,0.08);
    box-shadow: 0 0 15px rgba(0,240,255,0.1);
}
.nav-icon { font-size: 0.85rem; }
.nav-status {
    display: flex;
    align-items: center;
    gap: 8px;
}
.status-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--neon-yellow);
    box-shadow: 0 0 8px var(--neon-yellow);
    animation: pulse-dot 2s infinite;
}
.status-dot.connected { background: var(--neon-green); box-shadow: 0 0 8px var(--neon-green); }
.status-dot.error { background: var(--neon-pink); box-shadow: 0 0 8px var(--neon-pink); }
.status-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* ============================================================
   MAIN CONTAINER
   ============================================================ */
.main-container {
    max-width: 98vw;
    margin: 0 auto;
    padding: 24px 20px;
}

/* ============================================================
   WEATHER BAR
   ============================================================ */
.status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 24px;
    background: rgba(15,15,35,0.8);
    border: 1px solid var(--border-dim);
    border-radius: 8px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 10;
}
.status-bar-left {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
    min-width: 0;
}
.status-bar-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.status-bar-right .cyber-btn {
    position: relative;
    z-index: 20;
    cursor: pointer;
    pointer-events: auto;
}
.status-bar-right .control-info {
    margin-left: 0;
    white-space: nowrap;
}
.status-bar-left .weather-icon { font-size: 2rem; line-height: 1; }
.weather-info {
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.weather-temp {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--neon-pink);
    text-shadow: 0 0 10px rgba(255,42,109,0.4);
}
.weather-condition {
    font-family: var(--font-ui);
    font-size: 1.1rem;
    color: var(--text-secondary);
}
.weather-detail {
    margin-left: 0;
    text-align: left;
}
.weather-loc {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--neon-cyan);
}
.weather-extra {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================================
   CONTROL BAR
   ============================================================ */
/* control-bar merged into status-bar */
.control-info {
    margin-left: auto;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.cyber-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    font-family: var(--font-ui);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--neon-cyan);
    background: rgba(0,240,255,0.06);
    border: 1px solid rgba(0,240,255,0.3);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.25s var(--ease-out);
}
.cyber-btn:hover {
    background: rgba(0,240,255,0.12);
    box-shadow: 0 0 20px rgba(0,240,255,0.15), inset 0 0 20px rgba(0,240,255,0.05);
    border-color: var(--neon-cyan);
}
.cyber-btn.accent {
    color: var(--neon-purple);
    border-color: rgba(176,38,255,0.3);
    background: rgba(176,38,255,0.06);
}
.cyber-btn.accent:hover {
    background: rgba(176,38,255,0.12);
    box-shadow: 0 0 20px rgba(176,38,255,0.15);
    border-color: var(--neon-purple);
}
.cyber-btn.danger {
    color: var(--neon-pink);
    border-color: rgba(255,42,109,0.3);
    background: rgba(255,42,109,0.06);
}
.cyber-btn.danger:hover {
    background: rgba(255,42,109,0.12);
    box-shadow: 0 0 20px rgba(255,42,109,0.15);
    border-color: var(--neon-pink);
}
.cyber-btn.success {
    color: var(--neon-green);
    border-color: rgba(5,255,161,0.3);
    background: rgba(5,255,161,0.06);
}
.cyber-btn.sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}
.btn-icon { font-size: 0.85em; }

/* ============================================================
   NOTICE PANEL
   ============================================================ */
.notice-panel {
    text-align: center;
    padding: 60px 40px;
    border: 1px dashed var(--border-dim);
    border-radius: 12px;
    margin: 40px 0;
}
.notice-icon { font-size: 3rem; margin-bottom: 16px; }
.notice-panel h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--neon-yellow);
    margin-bottom: 10px;
}
.notice-panel p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ============================================================
   CLUSTER SECTION
   ============================================================ */
.cluster-section {
    margin-bottom: 36px;
    border: 1px solid var(--border-dim);
    border-radius: 12px;
    overflow: hidden;
    background: rgba(10,10,26,0.5);
}
.cluster-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: rgba(15,15,35,0.8);
    border-bottom: 1px solid var(--border-dim);
    position: relative;
}
.cluster-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink));
}
.cluster-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--neon-cyan);
    text-shadow: 0 0 8px rgba(0,240,255,0.3);
}
.cluster-meta {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: var(--text-muted);
}
.cluster-body {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 20px;
}

/* ============================================================
   NODE CARD - Visual Dashboard Layout
   ============================================================ */
.node-card {
    margin-bottom: 0;
    border: 1px solid var(--border-dim);
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-surface);
    transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.node-card:hover {
    border-color: rgba(0,240,255,0.15);
    box-shadow: 0 0 30px rgba(0,240,255,0.03);
}

/* Node Header */
.node-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-dim);
}
.node-badge {
    display: inline-block;
    padding: 3px 10px;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 3px;
}
.node-badge.head {
    color: var(--neon-yellow);
    background: rgba(240,255,0,0.1);
    border: 1px solid rgba(240,255,0,0.3);
}
.node-badge.worker {
    color: var(--neon-green);
    background: rgba(5,255,161,0.1);
    border: 1px solid rgba(5,255,161,0.3);
}
.node-name {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
}
.node-host {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: auto;
}
.node-status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: all 0.3s;
}
.node-status-dot.connected { background: var(--neon-green); box-shadow: 0 0 6px var(--neon-green); }
.node-status-dot.error { background: var(--neon-pink); box-shadow: 0 0 6px var(--neon-pink); }

/* Connection status labels */
.node-conn-label {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: color 0.3s;
}
.node-conn-label.connected { color: var(--neon-green); }
.node-conn-label.error { color: var(--neon-pink); }

/* ============================================================
   METRICS GRID - Inside each node card
   ============================================================ */
.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}
.metrics-grid .gpu-data-panel {
    grid-column: 1 / -1;
}

/* Metric Panel - each quadrant */
.metric-panel {
    padding: 16px;
    border-right: 1px solid var(--border-dim);
    border-bottom: 1px solid var(--border-dim);
    background: transparent;
    position: relative;
    min-height: 200px;
    overflow: hidden;
}
.metric-panel:nth-child(2n) {
    border-right: none;
}
.metric-panel.gpu-data-panel {
    border-right: none;
    border-bottom: 1px solid var(--border-dim);
}
.metric-panel:nth-last-child(-n+2) {
    border-bottom: none;
}

.metric-panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(100,100,180,0.08);
}
.metric-panel-icon {
    font-size: 1rem;
}
.metric-panel-label {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-secondary);
}
.metric-panel-status {
    margin-left: auto;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: all 0.3s;
}
.metric-panel-status.live {
    background: var(--neon-green);
    box-shadow: 0 0 6px var(--neon-green);
}

/* ============================================================
   SVG RADIAL GAUGES
   ============================================================ */
.gauge-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}
.gauge-row {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.radial-gauge {
    position: relative;
    width: clamp(60px, 5.5vw, 110px);
    height: clamp(60px, 5.5vw, 110px);
    flex-shrink: 0;
}
.radial-gauge svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}
.radial-gauge .gauge-track {
    fill: none;
    stroke: rgba(100,100,180,0.12);
    stroke-width: 8;
}
.radial-gauge .gauge-fill {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 1.5s var(--ease-out), stroke 0.5s;
    filter: drop-shadow(0 0 4px currentColor);
}
.radial-gauge .gauge-fill.glow-cyan {
    stroke: var(--neon-cyan);
    filter: drop-shadow(0 0 6px rgba(0,240,255,0.5));
}
.radial-gauge .gauge-fill.glow-pink {
    stroke: var(--neon-pink);
    filter: drop-shadow(0 0 6px rgba(255,42,109,0.5));
}
.radial-gauge .gauge-fill.glow-purple {
    stroke: var(--neon-purple);
    filter: drop-shadow(0 0 6px rgba(176,38,255,0.5));
}
.radial-gauge .gauge-fill.glow-green {
    stroke: var(--neon-green);
    filter: drop-shadow(0 0 6px rgba(5,255,161,0.5));
}
.radial-gauge .gauge-fill.glow-yellow {
    stroke: var(--neon-yellow);
    filter: drop-shadow(0 0 6px rgba(240,255,0,0.5));
}
.radial-gauge .gauge-fill.glow-orange {
    stroke: var(--neon-orange);
    filter: drop-shadow(0 0 6px rgba(255,106,0,0.5));
}
.radial-gauge .gauge-fill.glow-red {
    stroke: #ff2a2a;
    filter: drop-shadow(0 0 6px rgba(255,42,42,0.5));
}

/* Temperature dynamic color classes */
.radial-gauge .gauge-fill.temp-cool {
    stroke: var(--neon-green);
    filter: drop-shadow(0 0 6px rgba(5,255,161,0.5));
}
.radial-gauge .gauge-fill.temp-warm {
    stroke: var(--neon-yellow);
    filter: drop-shadow(0 0 6px rgba(240,255,0,0.5));
}
.radial-gauge .gauge-fill.temp-hot {
    stroke: var(--neon-orange);
    filter: drop-shadow(0 0 6px rgba(255,106,0,0.5));
}
.radial-gauge .gauge-fill.temp-critical {
    stroke: var(--neon-pink);
    filter: drop-shadow(0 0 8px rgba(255,42,109,0.6));
}

.gauge-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    pointer-events: none;
}
.gauge-value {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}
.gauge-unit {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 2px;
}
.gauge-label-below {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 6px;
}

/* Small gauge variant */
.radial-gauge.sm {
    width: 80px;
    height: 80px;
}
.radial-gauge.sm .gauge-value {
    font-size: 0.95rem;
}
.radial-gauge.sm .gauge-unit {
    font-size: 0.55rem;
}

/* ============================================================
   PROGRESS BARS
   ============================================================ */
.progress-group {
    margin-top: 12px;
}
.progress-item {
    margin-bottom: 10px;
}
.progress-item:last-child {
    margin-bottom: 0;
}
.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 4px;
}
.progress-label {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-secondary);
}
.progress-value {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
}
.progress-track {
    width: 100%;
    height: 6px;
    background: rgba(100,100,180,0.1);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}
.progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.6s var(--ease-out);
    position: relative;
}
.progress-fill::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 20px; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2));
    border-radius: 0 3px 3px 0;
}
.progress-fill.cyan {
    background: linear-gradient(90deg, rgba(0,240,255,0.3), var(--neon-cyan));
    box-shadow: 0 0 8px rgba(0,240,255,0.3);
}
.progress-fill.pink {
    background: linear-gradient(90deg, rgba(255,42,109,0.3), var(--neon-pink));
    box-shadow: 0 0 8px rgba(255,42,109,0.3);
}
.progress-fill.purple {
    background: linear-gradient(90deg, rgba(176,38,255,0.3), var(--neon-purple));
    box-shadow: 0 0 8px rgba(176,38,255,0.3);
}
.progress-fill.green {
    background: linear-gradient(90deg, rgba(5,255,161,0.3), var(--neon-green));
    box-shadow: 0 0 8px rgba(5,255,161,0.3);
}
.progress-fill.yellow {
    background: linear-gradient(90deg, rgba(240,255,0,0.3), var(--neon-yellow));
    box-shadow: 0 0 8px rgba(240,255,0,0.3);
}
.progress-fill.orange {
    background: linear-gradient(90deg, rgba(255,106,0,0.3), var(--neon-orange));
    box-shadow: 0 0 8px rgba(255,106,0,0.3);
}

/* ============================================================
   NETWORK PANEL
   ============================================================ */
.net-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 12px;
}
.net-stat-box {
    background: rgba(10,10,30,0.5);
    border: 1px solid rgba(100,100,180,0.08);
    border-radius: 6px;
    padding: 10px 12px;
    text-align: center;
}
.net-stat-direction {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 4px;
}
.net-stat-direction.rx { color: var(--neon-cyan); }
.net-stat-direction.tx { color: var(--neon-pink); }
.net-stat-value {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}
.net-stat-sub {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Sparkline container */
.sparkline-container {
    position: relative;
    width: 100%;
    height: 50px;
    margin-top: 8px;
    border-radius: 4px;
    overflow: hidden;
    background: rgba(10,10,30,0.4);
    border: 1px solid rgba(100,100,180,0.06);
}
.sparkline-container canvas {
    display: block;
    width: 100%;
    height: 100%;
}
.sparkline-label {
    position: absolute;
    bottom: 2px;
    right: 6px;
    font-family: var(--font-mono);
    font-size: 0.55rem;
    color: var(--text-muted);
    opacity: 0.6;
}

/* ============================================================
   GPU PANEL
   ============================================================ */
.gpu-gauges-row {
    display: flex;
    gap: clamp(2px, 1.5vw, 48px);
    justify-content: center;
    align-items: flex-start;
    flex-wrap: nowrap;
}
.gpu-gauge-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex-shrink: 1;
    min-width: 0;
}
.gpu-stats-row {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 12px;
    flex-wrap: wrap;
}
.gpu-stat-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(10,10,30,0.5);
    border: 1px solid rgba(100,100,180,0.08);
    border-radius: 4px;
}
.gpu-stat-chip-icon {
    font-size: 0.8rem;
}
.gpu-stat-chip-label {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
}
.gpu-stat-chip-value {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ============================================================
   BANDWIDTH PANEL
   ============================================================ */
.bw-rate-row {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 8px;
}
.bw-rate-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(10,10,30,0.5);
    border: 1px solid rgba(100,100,180,0.08);
    border-radius: 6px;
}
.bw-rate-dir {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.bw-rate-dir.rx { color: var(--neon-cyan); }
.bw-rate-dir.tx { color: var(--neon-pink); }
.bw-rate-val {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ============================================================
   WAITING / NO DATA STATE
   ============================================================ */
.metric-waiting {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 140px;
    gap: 10px;
}
.metric-waiting-icon {
    font-size: 1.5rem;
    opacity: 0.3;
    animation: pulse-dot 2s infinite;
}
.metric-waiting-text {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* ============================================================
   CONNECTIONS PAGE (unchanged)
   ============================================================ */
.page-header {
    margin-bottom: 28px;
}
.page-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--neon-cyan);
    text-shadow: 0 0 15px rgba(0,240,255,0.3);
    margin-bottom: 8px;
}
.page-subtitle {
    font-family: var(--font-ui);
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 700px;
}
.action-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

/* Cluster Editor Card */
.cluster-editor {
    margin-bottom: 28px;
    border: 1px solid var(--border-dim);
    border-radius: 12px;
    overflow: hidden;
    background: rgba(10,10,26,0.6);
    position: relative;
}
.cluster-editor::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-purple), var(--neon-cyan));
}
.cluster-editor-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 24px;
    background: rgba(15,15,35,0.8);
    border-bottom: 1px solid var(--border-dim);
}
.cluster-editor-header .cyber-input {
    flex: 1;
}
.cluster-editor-body {
    padding: 20px;
}

/* Node Editor Row */
.node-editor {
    display: grid;
    grid-template-columns: 120px 1fr 180px 80px 1fr 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 12px 16px;
    margin-bottom: 8px;
    background: var(--bg-surface);
    border: 1px solid var(--border-dim);
    border-radius: 8px;
    transition: border-color 0.3s;
}
.node-editor:hover {
    border-color: rgba(0,240,255,0.2);
}
.node-editor-actions {
    display: flex;
    gap: 6px;
}
.add-node-row {
    display: flex;
    gap: 10px;
    padding: 12px 16px;
    margin-top: 8px;
}

/* Form Inputs */
.cyber-input {
    width: 100%;
    padding: 8px 14px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-primary);
    background: var(--bg-deep);
    border: 1px solid var(--border-dim);
    border-radius: 4px;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.cyber-input:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0,240,255,0.1);
}
.cyber-input::placeholder {
    color: var(--text-muted);
}
.cyber-select {
    width: 100%;
    padding: 8px 14px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-primary);
    background: var(--bg-deep);
    border: 1px solid var(--border-dim);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    transition: border-color 0.3s;
}
.cyber-select:focus {
    border-color: var(--neon-cyan);
}
.cyber-select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

/* Connection test result */
.test-result {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 3px;
    margin-top: 4px;
}
.test-result.success {
    color: var(--neon-green);
    background: rgba(5,255,161,0.08);
}
.test-result.error {
    color: var(--neon-pink);
    background: rgba(255,42,109,0.08);
}
.test-result.testing {
    color: var(--neon-yellow);
    background: rgba(240,255,0,0.08);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 80px 40px;
    border: 1px dashed var(--border-dim);
    border-radius: 12px;
}
.empty-icon { font-size: 3.5rem; margin-bottom: 16px; }
.empty-state h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}
.empty-state p {
    color: var(--text-muted);
}

/* Save indicator */
.save-indicator {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    letter-spacing: 1px;
    padding: 4px 12px;
    border-radius: 3px;
}
.save-indicator.saved {
    color: var(--neon-green);
    background: rgba(5,255,161,0.1);
}
.save-indicator.unsaved {
    color: var(--neon-yellow);
    background: rgba(240,255,0,0.1);
}

/* ============================================================
   FOOTER
   ============================================================ */
.cyber-footer {
    margin-top: 40px;
    padding: 20px 30px;
    border-top: 1px solid var(--border-dim);
    width: 100%;
}
.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}
.footer-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.footer-right {
    display: flex;
    align-items: center;
}
.footer-brand {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text-secondary);
}
.footer-sep { opacity: 0.3; }
.footer-copy {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
@keyframes glow-border {
    0%, 100% { border-color: rgba(0,240,255,0.3); box-shadow: 0 0 10px rgba(0,240,255,0.1); }
    50% { border-color: rgba(0,240,255,0.6); box-shadow: 0 0 20px rgba(0,240,255,0.2); }
}
@keyframes text-glitch {
    0%   { transform: translate(0); }
    20%  { transform: translate(-2px, 2px); }
    40%  { transform: translate(-2px, -2px); }
    60%  { transform: translate(2px, 2px); }
    80%  { transform: translate(2px, -2px); }
    100% { transform: translate(0); }
}
@keyframes gauge-pulse {
    0%, 100% { filter: drop-shadow(0 0 4px currentColor); }
    50% { filter: drop-shadow(0 0 8px currentColor); }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-void); }
::-webkit-scrollbar-thumb { background: var(--neon-purple); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--neon-cyan); }


/* ============================================================
   GPU DATA COMBINED PANEL
   ============================================================ */
.gpudata-details {
    display: flex;
    gap: 20px;
    margin-top: 14px;
    align-items: flex-start;
}
.gpudata-bars {
    flex: 1;
    min-width: 0;
}
.gpudata-chips {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    justify-content: center;
    padding-top: 4px;
}

/* Mobile network rows - hidden on desktop */
.mobile-net-rows {
    display: none;
}
/* ============================================================
   RESPONSIVE
   ============================================================ */
/* ============================================================
   MOBILE BAR GRAPHS (hidden on desktop, shown on mobile)
   ============================================================ */
.mobile-bars {
    display: none;
}

/* Mobile GPU progress bars - hidden on desktop, shown on mobile */
.mobile-gpu-bars {
    display: none;
}

@media (max-width: 1200px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    .node-editor {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 768px) {
    /* ---- Layout: Single column everywhere ---- */
    .cluster-body {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 12px;
    }
    .metrics-grid {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
    .metrics-grid .gpu-data-panel {
        grid-column: 1 / -1;
    }
    .gpudata-details {
        flex-direction: column;
        width: 100%;
    }
    .gpudata-bars {
        width: 100%;
        flex: none;
    }
    .gpudata-bars .progress-group {
        width: 100%;
    }
    .gpudata-bars .progress-item {
        width: 100%;
    }
    .gpudata-bars .progress-track {
        width: 100%;
    }

    /* ---- Navigation: compact stacked ---- */
    .cyber-nav {
        flex-wrap: wrap;
        height: auto;
        padding: 10px 14px;
        gap: 6px;
    }
    .brand-sub {
        display: none;
    }
    .brand-text {
        font-size: 1.1rem;
        letter-spacing: 2px;
    }
    .nav-links {
        order: 3;
        width: 100%;
        justify-content: center;
        gap: 4px;
    }
    .nav-link {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
    .nav-status {
        margin-left: auto;
    }

    /* ---- Main container: tighter padding ---- */
    .main-container {
        padding: 8px;
    }

    /* ---- Weather bar: stack vertically ---- */
    .status-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding: 12px 16px;
        margin-bottom: 12px;
    }
    .status-bar-left {
        flex-direction: row;
        align-items: center;
        gap: 8px;
        flex-wrap: nowrap;
    }
    .status-bar-right {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
        padding-top: 8px;
        border-top: 1px solid var(--border-dim);
    }
    .status-bar-right .control-info {
        font-size: 0.75rem;
        order: 2;
    }
    .status-bar-right .cyber-btn {
        order: 1;
    }
    .weather-info {
        gap: 4px;
        flex-shrink: 0;
    }
    .status-bar-left .weather-icon {
        font-size: 1.2rem;
    }
    .weather-condition {
        font-size: 0.8rem;
    }
    .weather-temp {
        font-size: 1.2rem;
    }
    .weather-detail {
        margin-left: 0;
        text-align: left;
        flex-shrink: 1;
        min-width: 0;
    }
    .weather-detail .weather-loc {
        font-size: 0.7rem;
        white-space: nowrap;
    }
    .weather-detail .weather-extra {
        font-size: 0.6rem;
        white-space: nowrap;
    }

    /* ---- Control bar: wrap ---- */
    /* control-bar merged into status-bar on mobile */
    .cyber-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    /* ---- Cluster section ---- */
    .cluster-section {
        margin-bottom: 20px;
    }
    .cluster-header {
        padding: 12px 16px;
        flex-wrap: wrap;
        gap: 6px;
    }
    .cluster-name {
        font-size: 0.9rem;
        letter-spacing: 2px;
    }

    /* ---- Node card ---- */
    .node-header {
        padding: 10px 14px;
        gap: 8px;
        flex-wrap: wrap;
    }
    .node-name {
        font-size: 0.8rem;
    }
    .node-host {
        font-size: 0.7rem;
    }

    /* ---- Metric panels: reduce padding ---- */
    .metric-panel {
        padding: 10px;
        min-height: auto;
    }
    .metric-panel:not(.gpu-data-panel) .metric-panel-label {
        font-size: 0.65rem;
        letter-spacing: 1px;
    }
    .metric-panel:not(.gpu-data-panel) .metric-panel-icon {
        font-size: 0.8rem;
    }

    /* ---- HIDE SVG gauges on mobile ---- */
    .gpu-gauges-row {
        display: none !important;
    }

    /* ---- SHOW mobile bar graphs ---- */
    .mobile-bars {
        display: block !important;
    }

    /* ---- SHOW mobile GPU progress bars (same style as RAM/Cache/Swap) ---- */
    .mobile-gpu-bars {
        display: block !important;
        margin-top: 8px;
    }

    /* ---- Mobile bar graph styles ---- */
    .mobile-bar {
        margin-bottom: 10px;
    }
    .mobile-bar:last-child {
        margin-bottom: 0;
    }
    .mobile-bar-header {
        display: flex;
        justify-content: space-between;
        align-items: baseline;
        margin-bottom: 4px;
    }
    .mobile-bar-label {
        color: var(--text-secondary);
        font-family: var(--font-ui);
        font-size: 0.75rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 1px;
    }
    .mobile-bar-value {
        color: var(--text-primary);
        font-family: var(--font-mono);
        font-size: 0.8rem;
        font-weight: 500;
    }
    .mobile-bar-track {
        height: 10px;
        background: rgba(100,100,180,0.1);
        border-radius: 5px;
        overflow: hidden;
    }
    .mobile-bar-fill {
        height: 100%;
        border-radius: 5px;
        transition: width 0.6s var(--ease-out);
        position: relative;
    }
    .mobile-bar-fill::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 20px;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15));
        border-radius: 0 5px 5px 0;
    }

    /* Mobile bar color variants */
    .mobile-bar-fill.bar-cyan {
        background: linear-gradient(90deg, rgba(0,240,255,0.3), var(--neon-cyan));
        box-shadow: 0 0 8px rgba(0,240,255,0.3);
    }
    .mobile-bar-fill.bar-green {
        background: linear-gradient(90deg, rgba(5,255,161,0.3), var(--neon-green));
        box-shadow: 0 0 8px rgba(5,255,161,0.3);
    }
    .mobile-bar-fill.bar-yellow {
        background: linear-gradient(90deg, rgba(240,255,0,0.3), var(--neon-yellow));
        box-shadow: 0 0 8px rgba(240,255,0,0.3);
    }
    .mobile-bar-fill.bar-orange {
        background: linear-gradient(90deg, rgba(255,106,0,0.3), var(--neon-orange));
        box-shadow: 0 0 8px rgba(255,106,0,0.3);
    }
    .mobile-bar-fill.bar-pink {
        background: linear-gradient(90deg, rgba(255,42,109,0.3), var(--neon-pink));
        box-shadow: 0 0 8px rgba(255,42,109,0.3);
    }
    .mobile-bar-fill.bar-red {
        background: linear-gradient(90deg, rgba(255,42,42,0.3), #ff2a2a);
        box-shadow: 0 0 8px rgba(255,42,42,0.3);
    }

    /* ---- HIDE desktop network boxes on mobile ---- */
    .desktop-net {
        display: none !important;
    }

    /* ---- SHOW mobile network line rows ---- */
    .mobile-net-rows {
        display: block !important;
    }
    .mobile-net-row {
        padding: 8px 0;
        border-bottom: 1px solid rgba(100, 100, 180, 0.1);
    }
    .mobile-net-row:last-child {
        border-bottom: none;
    }
    .mobile-net-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .mobile-net-dir {
        font-family: var(--font-ui);
        font-size: 0.75rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1px;
    }
    .mobile-net-dir.rx {
        color: var(--neon-cyan);
    }
    .mobile-net-dir.tx {
        color: var(--neon-pink);
    }
    .mobile-net-rate {
        font-family: var(--font-mono);
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--text-primary);
    }
    .mobile-net-sub {
        font-family: var(--font-mono);
        font-size: 0.6rem;
        color: var(--text-muted);
        margin-top: 1px;
        text-align: right;
    }

    /* ---- Sparkline: compact on mobile ---- */
    .sparkline-container {
        height: 30px;
        margin-top: 6px;
        max-width: 100%;
        overflow: hidden;
    }
    .sparkline-container canvas {
        max-width: 100% !important;
    }

    /* ---- Bandwidth rate chips ---- */
    .bw-rate-row {
        flex-direction: column;
        gap: 6px;
    }

    /* ---- GPU stats row: wrap tighter ---- */
    .gpu-stats-row {
        gap: 6px;
    }
    .gpu-stat-chip {
        padding: 3px 8px;
    }

    /* ---- Progress bars (RAM/Cache/Swap) ---- */
    .progress-label {
        font-size: 0.7rem;
    }
    .progress-value {
        font-size: 0.65rem;
    }

    /* ---- Gauge row fallback ---- */
    .gauge-row {
        flex-direction: column;
    }

    /* ---- Connections page: node editor single column ---- */
    .node-editor {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .node-editor-actions {
        justify-content: flex-start;
    }
    .add-node-row {
        flex-wrap: wrap;
    }

    /* ---- Connections page: change PIN section ---- */
    .change-pin-section {
        padding: 1rem 1.2rem;
    }
    .pin-form-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    .pin-form-label {
        min-width: auto;
    }
    .pin-form-input {
        width: 100%;
    }

    /* ---- Action bar ---- */
    .action-bar {
        flex-direction: column;
        gap: 8px;
    }
    .action-bar .cyber-btn {
        width: 100%;
        justify-content: center;
    }

    /* ---- Page header ---- */
    .page-title {
        font-size: 1.3rem;
        letter-spacing: 2px;
    }
    .page-subtitle {
        font-size: 0.85rem;
    }

    /* ---- Notice panel ---- */
    .notice-panel {
        padding: 30px 20px;
    }
    .notice-icon {
        font-size: 2rem;
    }
    .notice-panel h3 {
        font-size: 1.1rem;
    }

    /* ---- Footer: stack vertically on mobile ---- */
    .cyber-footer {
        padding: 16px 14px;
        margin-top: 24px;
    }
    .footer-content {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    .footer-left {
        flex-direction: column;
        align-items: center;
        gap: 4px;
    }
    .footer-right {
        text-align: center;
    }
    .footer-sep {
        display: none;
    }
    .footer-brand {
        font-size: 0.65rem;
    }
    .footer-content span {
        font-size: 0.7rem;
    }

    /* ---- Empty state ---- */
    .empty-state {
        padding: 40px 20px;
    }
    .empty-icon {
        font-size: 2.5rem;
    }

    /* ---- Cluster editor ---- */
    .cluster-editor-header {
        flex-wrap: wrap;
        padding: 14px 16px;
        gap: 10px;
    }
}


/* ============================================================
   LEGACY TERMINAL STYLES (kept for compatibility)
   ============================================================ */
.terminal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 12px;
    padding: 16px;
}
.terminal-panel {
    background: var(--bg-deep);
    border: 1px solid var(--border-dim);
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.terminal-titlebar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(20,20,50,0.8);
    border-bottom: 1px solid var(--border-dim);
}
.terminal-dots {
    display: flex;
    gap: 5px;
}
.terminal-dots span {
    width: 8px; height: 8px;
    border-radius: 50%;
}
.terminal-dots span:nth-child(1) { background: var(--neon-pink); }
.terminal-dots span:nth-child(2) { background: var(--neon-yellow); }
.terminal-dots span:nth-child(3) { background: var(--neon-green); }
.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}
.terminal-status {
    margin-left: auto;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
}
.terminal-status.live { background: var(--neon-green); box-shadow: 0 0 6px var(--neon-green); }
.terminal-output {
    padding: 12px 14px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--neon-green);
    min-height: 180px;
    max-height: 320px;
    overflow-y: auto;
    overflow-x: hidden;
    white-space: pre-wrap;
    word-break: break-all;
}
.terminal-output::-webkit-scrollbar { width: 6px; }
.terminal-output::-webkit-scrollbar-track { background: var(--bg-void); }
.terminal-output::-webkit-scrollbar-thumb { background: var(--neon-purple); border-radius: 3px; }
.terminal-output::-webkit-scrollbar-thumb:hover { background: var(--neon-cyan); }

/* Node Row (legacy) */
.node-row {
    margin-bottom: 20px;
    border: 1px solid var(--border-dim);
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-surface);
}
.node-row:last-child { margin-bottom: 0; }