@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Share+Tech+Mono&family=Exo+2:wght@300;400;600&display=swap');

:root {
  --bg: #0a0e1a;
  --bg2: #0d1525;
  --grid: rgba(0,200,255,0.04);
  --wp: #f57c00;
  --mysql: #1976d2;
  --php: #7b1fa2;
  --node: #388e3c;
  --flowise: #c0ca33;
  --ollama: #6a1b9a;
  --webui: #00838f;
  --docker: #0288d1;
  --llama: #ad1457;
  --server: #37474f;
  --pm2: #1a5276;
  --glow: 0 0 20px currentColor;
  --panel: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --text: #e0e8f0;
  --muted: #7a8fa0;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Exo 2', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated grid background */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

header {
  position: relative;
  text-align: center;
  padding: 40px 20px 20px;
  z-index: 10;
}

header h1 {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.2rem, 4vw, 2.4rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  background: linear-gradient(135deg, #00e5ff, #00bcd4, #7c4dff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
  animation: titlePulse 4s ease-in-out infinite;
}

header p {
  font-family: 'Share Tech Mono', monospace;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 8px;
  letter-spacing: 0.2em;
}

@keyframes titlePulse {
  0%,100% { filter: drop-shadow(0 0 8px rgba(0,229,255,0.4)); }
  50% { filter: drop-shadow(0 0 20px rgba(0,229,255,0.8)); }
}

/* ── GRAPH CANVAS ── */
.graph-wrapper {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  z-index: 5;
}

svg.connections {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 2;
}

svg.connections path {
  fill: none;
  stroke-width: 1.5;
  opacity: 0.35;
  stroke-dasharray: 6 4;
  animation: dash 20s linear infinite;
}
@keyframes dash { to { stroke-dashoffset: -200; } }

/* ── GRID LAYOUT ── */
.graph-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto;
  gap: 16px;
  position: relative;
  z-index: 5;
}

/* ── NODE CARDS ── */
.node {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(4px);
}

.node::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent,#fff) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.node:hover::before { opacity: 0.06; }
.node:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--accent, #00e5ff);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 0 1px var(--accent,#00e5ff), 0 0 20px color-mix(in srgb, var(--accent,#00e5ff) 30%, transparent);
}

.node.active {
  border-color: var(--accent, #00e5ff);
  box-shadow: 0 0 30px color-mix(in srgb, var(--accent,#00e5ff) 40%, transparent);
}

.node-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.node-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  background: color-mix(in srgb, var(--accent,#00e5ff) 15%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent,#00e5ff) 30%, transparent);
  flex-shrink: 0;
}

.node-name {
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent, #00e5ff);
}

.node-port {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 1px;
}

.node-desc {
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.5;
}

.node-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.65rem;
  font-family: 'Share Tech Mono', monospace;
  margin-top: 8px;
  padding: 3px 8px;
  border-radius: 20px;
  background: color-mix(in srgb, var(--accent,#00e5ff) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent,#00e5ff) 25%, transparent);
  color: var(--accent,#00e5ff);
}

.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent,#00e5ff);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ── SERVER HUB (center) ── */
.node.hub {
  grid-column: 2 / 4;
  grid-row: 2;
  background: linear-gradient(135deg, rgba(0,229,255,0.06), rgba(124,77,255,0.06));
  border: 1px solid rgba(0,229,255,0.2);
  text-align: center;
  padding: 24px;
}
.node.hub .node-name { font-size: 1rem; justify-content: center; }
.node.hub .node-icon { width: 48px; height: 48px; font-size: 1.6rem; margin: 0 auto 10px; }

/* Grid positions */
.pos-wp   { grid-column:1; grid-row:1; --accent: var(--wp); }
.pos-mysql{ grid-column:2; grid-row:1; --accent: var(--mysql); }
.pos-php  { grid-column:3; grid-row:1; --accent: var(--php); }
.pos-pm2  { grid-column:4; grid-row:1; --accent: #2196f3; }
.pos-hub  { grid-column:2/4; grid-row:2; --accent: #00e5ff; }
.pos-docker{ grid-column:1; grid-row:2; --accent: var(--docker); }
.pos-node { grid-column:4; grid-row:2; --accent: var(--node); }

.models-group {
  display: flex; flex-direction: column; gap: 6px;
}
.model-chip {
  padding: 4px 10px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--llama) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--llama) 30%, transparent);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.7rem;
  color: #f48fb1;
  cursor: pointer;
  transition: all 0.2s;
}
.model-chip:hover {
  background: color-mix(in srgb, var(--llama) 25%, transparent);
  transform: translateX(4px);
}

/* ── MODAL / DETAIL PANEL ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
  padding: 20px;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: #0d1525;
  border: 1px solid var(--modal-accent, #00e5ff);
  border-radius: 16px;
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 0 60px color-mix(in srgb, var(--modal-accent,#00e5ff) 25%, transparent);
  transform: scale(0.92) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}
.modal-overlay.open .modal { transform: scale(1) translateY(0); }

.modal-top {
  padding: 24px 24px 16px;
  display: flex; align-items: center; gap: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  position: sticky; top: 0; background: #0d1525; z-index: 1;
}

.modal-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  background: color-mix(in srgb, var(--modal-accent,#00e5ff) 15%, transparent);
  border: 1px solid color-mix(in srgb, var(--modal-accent,#00e5ff) 30%, transparent);
  flex-shrink: 0;
}

.modal-title {
  font-family: 'Orbitron', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--modal-accent, #00e5ff);
}

.modal-subtitle {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 3px;
}

.modal-close {
  margin-left: auto;
  background: none; border: none;
  color: var(--muted); font-size: 1.4rem;
  cursor: pointer; padding: 4px 8px; border-radius: 6px;
  transition: all 0.2s;
}
.modal-close:hover { background: rgba(255,255,255,0.08); color: white; }

.modal-body { padding: 20px 24px 24px; }

.section {
  margin-bottom: 20px;
}

.section-title {
  font-family: 'Orbitron', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--modal-accent, #00e5ff);
  margin-bottom: 10px;
  opacity: 0.8;
}

.cmd-block {
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.07);
  border-left: 3px solid var(--modal-accent, #00e5ff);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
  margin: 6px 0;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.8rem;
  color: #a5d6a7;
  position: relative;
  cursor: pointer;
  transition: all 0.2s;
}
.cmd-block:hover { background: rgba(0,0,0,0.6); }
.cmd-block .prompt { color: #80cbc4; }

.copy-hint {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  font-size: 0.65rem; color: var(--muted); opacity: 0;
  transition: opacity 0.2s;
}
.cmd-block:hover .copy-hint { opacity: 1; }

.info-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}

.info-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.info-label {
  font-size: 0.65rem;
  font-family: 'Share Tech Mono', monospace;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.info-value {
  font-size: 0.82rem;
  color: var(--text);
  font-weight: 600;
}

.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.68rem;
  font-family: 'Share Tech Mono', monospace;
  background: color-mix(in srgb, var(--modal-accent,#00e5ff) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--modal-accent,#00e5ff) 25%, transparent);
  color: var(--modal-accent, #00e5ff);
}

.toast {
  position: fixed;
  bottom: 30px; left: 50%; transform: translateX(-50%) translateY(60px);
  background: #1a2a1a;
  border: 1px solid #4caf50;
  color: #81c784;
  padding: 10px 20px;
  border-radius: 8px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.8rem;
  z-index: 999;
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* Legend */
.legend {
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: center;
  padding: 20px;
  z-index: 5; position: relative;
}
.legend-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.7rem; color: var(--muted);
  font-family: 'Share Tech Mono', monospace;
}
.legend-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 6px var(--c);
}

@media(max-width:700px) {
  .graph-grid { grid-template-columns: 1fr 1fr; }
  .pos-hub { grid-column: 1/3; }
  .info-grid { grid-template-columns: 1fr; }
}