atc-agents/ui/src/styles/globals.css

@tailwind base;
@tailwind components;
@tailwind utilities;

@layer base {
  :root {
    color-scheme: light;
    --surface: 244 245 247;
    --surface-raised: 255 255 255;
    --surface-overlay: 236 240 245;
    --surface-muted: 221 225 230;
    --border: 210 218 228;
    --border-strong: 180 192 208;
    --foreground: 26 31 38;
    --foreground-muted: 95 107 122;
    --foreground-faint: 139 149 165;
    --shadow-panel: 0 1px 3px rgba(15, 40, 80, 0.06), 0 4px 12px rgba(36, 150, 237, 0.06);
    --shadow-docker: 0 0 0 1px rgba(36, 150, 237, 0.12), 0 4px 14px rgba(36, 150, 237, 0.1);
    --topo-canvas: linear-gradient(145deg, #dbeafe 0%, #e0f2fe 35%, #ede9fe 70%, #ecfdf5 100%);
    --topo-grid: rgba(37, 99, 235, 0.06);
    --topo-stage-border: rgba(37, 99, 235, 0.15);
    --topo-node-bg: linear-gradient(145deg, #1e40af 0%, #2563eb 50%, #1d4ed8 100%);
    --topo-node-border: rgba(147, 197, 253, 0.45);
    --topo-node-shadow: 0 4px 14px rgba(30, 64, 175, 0.35);
    --topo-header-bg: linear-gradient(90deg, rgba(36, 150, 237, 0.12), rgba(99, 102, 241, 0.08));
  }

  .dark {
    color-scheme: dark;
    --surface: 15 27 46;
    --surface-raised: 22 38 62;
    --surface-overlay: 28 48 78;
    --surface-muted: 36 58 92;
    --border: 48 74 112;
    --border-strong: 64 96 140;
    --foreground: 232 241 255;
    --foreground-muted: 148 175 212;
    --foreground-faint: 100 130 168;
    --shadow-panel: 0 1px 0 rgba(147, 197, 253, 0.06) inset, 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-docker: 0 0 0 1px rgba(56, 189, 248, 0.2), 0 4px 16px rgba(14, 116, 214, 0.25);
    --topo-canvas: linear-gradient(145deg, #0c1929 0%, #132f4c 40%, #1a365d 75%, #0f2847 100%);
    --topo-grid: rgba(56, 189, 248, 0.07);
    --topo-stage-border: rgba(56, 189, 248, 0.18);
    --topo-node-bg: linear-gradient(145deg, #1e3a5f 0%, #234876 45%, #1a4470 100%);
    --topo-node-border: rgba(96, 165, 250, 0.4);
    --topo-node-shadow: 0 4px 16px rgba(0, 20, 60, 0.45);
    --topo-header-bg: linear-gradient(90deg, rgba(36, 150, 237, 0.18), rgba(99, 102, 241, 0.12));
  }

  html, body, #root {
    height: 100%;
    scrollbar-gutter: stable;
  }

  body {
    @apply bg-surface font-sans text-foreground antialiased;
    background-image: var(--body-gradient, none);
  }

  .dark body {
    --body-gradient: radial-gradient(ellipse 120% 80% at 50% -20%, rgba(37, 99, 235, 0.15), transparent);
  }

  :root body {
    --body-gradient: radial-gradient(ellipse 100% 60% at 50% -10%, rgba(36, 150, 237, 0.08), transparent);
  }
}

@layer components {
  .panel {
    @apply rounded-lg border border-border bg-surface-raised shadow-panel;
  }

  .topo-canvas {
    @apply relative min-h-0 flex-1 overflow-hidden rounded-lg;
    background:
      linear-gradient(var(--topo-grid) 1px, transparent 1px),
      linear-gradient(90deg, var(--topo-grid) 1px, transparent 1px),
      var(--topo-canvas);
    background-size: 20px 20px, 20px 20px, auto;
  }

  .topo-edge-glow {
    stroke: rgba(56, 189, 248, 0.18);
    stroke-width: 4;
    fill: none;
  }

  .topo-edge-idle {
    stroke: rgba(100, 140, 180, 0.45);
    stroke-width: 2;
    stroke-dasharray: 4 8;
    fill: none;
  }

  .topo-edge-live {
    stroke-width: 2.5;
    stroke-dasharray: 8 12;
    fill: none;
    animation: flow-dash 1.2s linear infinite;
  }

  .topo-edge-orchestration.topo-edge-live { stroke: #f59e0b; filter: drop-shadow(0 0 3px rgba(245, 158, 11, 0.5)); }
  .topo-edge-cdc.topo-edge-live { stroke: #22d3ee; filter: drop-shadow(0 0 3px rgba(34, 211, 238, 0.45)); }
  .topo-edge-stream.topo-edge-live { stroke: #38bdf8; filter: drop-shadow(0 0 3px rgba(56, 189, 248, 0.45)); }
  .topo-edge-etl.topo-edge-live { stroke: #a78bfa; filter: drop-shadow(0 0 3px rgba(167, 139, 250, 0.45)); }
  .topo-edge-query.topo-edge-live { stroke: #818cf8; filter: drop-shadow(0 0 3px rgba(129, 140, 248, 0.45)); }
  .topo-edge-serve.topo-edge-live { stroke: #34d399; filter: drop-shadow(0 0 3px rgba(52, 211, 153, 0.45)); }

  .topo-edge-active {
    stroke: url(#topo-flow-gradient);
    stroke-width: 2.5;
    stroke-dasharray: 10 14;
    fill: none;
    animation: flow-dash 1.4s linear infinite;
  }

  .topo-edge-pulse {
    stroke: #34d399;
    stroke-width: 2;
    stroke-dasharray: 4 100;
    fill: none;
    opacity: 0.9;
    animation: flow-pulse 2s linear infinite;
  }

  .topo-node-airflow {
    border-color: rgba(245, 158, 11, 0.55) !important;
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.25), var(--topo-node-shadow);
  }

  .topo-node {
    @apply mx-auto w-[84%] rounded-md border px-1.5 py-1 text-left transition-all;
    background: var(--topo-node-bg);
    border-color: var(--topo-node-border);
    box-shadow: var(--topo-node-shadow);
  }

  .topo-node:hover {
    filter: brightness(1.12);
    transform: translateY(-1px);
  }

  .topo-node-selected {
    @apply ring-2 ring-cyan-400/60 border-cyan-300;
  }

  .topo-stage-col {
    @apply flex min-w-0 flex-1 flex-col px-0.5 py-1 last:border-r-0;
    border-right: 1px dashed var(--topo-stage-border);
  }

  .topo-stage-col--sources { background: linear-gradient(180deg, rgba(16, 185, 129, 0.08), transparent 60%); }
  .topo-stage-col--ingestion { background: linear-gradient(180deg, rgba(6, 182, 212, 0.1), transparent 60%); }
  .topo-stage-col--compute { background: linear-gradient(180deg, rgba(139, 92, 246, 0.1), transparent 60%); }
  .topo-stage-col--storage { background: linear-gradient(180deg, rgba(37, 99, 235, 0.1), transparent 60%); }
  .topo-stage-col--consumers { background: linear-gradient(180deg, rgba(245, 158, 11, 0.08), transparent 60%); }
}

@layer utilities {
  .scrollbar-thin {
    scrollbar-width: thin;
    scrollbar-color: rgb(var(--border-strong)) transparent;
  }

  .scroll-x-stable {
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-gutter: stable;
  }
}