audiorouter-dashboard 0.2.0

HTTP/SSE dashboard API and static-file host for audiorouter
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@import "tailwindcss";
@import "@xyflow/react/dist/style.css";

/*
 * shadcn/ui-inspired dark theme with audiorouter semantic colors.
 *
 * Semantic palette mirrors src/tui.rs:
 *   border  = Cyan   — node borders
 *   in      = Green  — capture / source channels (▲)
 *   out     = Magenta — playback / destination channels (▼)
 *   route   = LightBlue — route path lines
 *   gain    = Yellow — gain values, limiter
 *   clip    = Red    — clip / overload
 *   muted   = DarkGray — unavailable / disabled
 */
@theme {
  /* ── shadcn base ─────────────────────────────────── */
  --color-background: oklch(0.145 0.005 260);
  --color-card: oklch(0.178 0.006 260);
  --color-card-foreground: oklch(0.922 0.004 260);
  --color-popover: oklch(0.178 0.006 260);
  --color-foreground: oklch(0.922 0.004 260);
  --color-muted: oklch(0.235 0.006 260);
  --color-muted-foreground: oklch(0.555 0.01 260);
  --color-border: oklch(0.295 0.008 260);
  --color-input: oklch(0.295 0.008 260);
  --color-ring: oklch(0.72 0.22 220);
  --color-ring-glow: oklch(0.72 0.22 220 / 0.45);
  --color-ring-glow-far: oklch(0.72 0.22 220 / 0.18);
  /* dim-selected: same lightness as ring but nearly achromatic — selected but clearly not active */
  --color-ring-dim: oklch(0.72 0.05 240);
  --color-ring-dim-glow: oklch(0.72 0.05 240 / 0.45);
  --color-ring-dim-glow-far: oklch(0.72 0.05 240 / 0.18);
  --color-primary: oklch(0.62 0.14 250);
  --color-primary-foreground: oklch(0.985 0 0);
  --color-secondary: oklch(0.235 0.006 260);
  --color-secondary-foreground: oklch(0.922 0.004 260);
  --color-destructive: oklch(0.577 0.245 27.325);
  --color-destructive-foreground: oklch(0.985 0 0);

  /* ── audiorouter semantic ────────────────────────── */
  --color-ar-border: oklch(0.69 0.12 195); /* Cyan */
  --color-ar-in: oklch(0.68 0.16 145); /* Green */
  --color-ar-out: oklch(0.65 0.22 330); /* Magenta */
  --color-ar-route: oklch(0.7 0.13 230); /* LightBlue */
  --color-ar-gain: oklch(0.78 0.16 85); /* Yellow */
  --color-ar-clip: oklch(0.6 0.24 25); /* Red */
  --color-ar-disabled: oklch(0.42 0.01 260); /* DarkGray */
}

html,
body,
#root {
  height: 100%;
}

html {
  /* This dashboard is dark-only; keep UA controls/scrollbars from adapting to light mode. */
  color-scheme: dark;
  /* Viewport never scrolls */
  overflow: hidden;
}

body {
  /* Inherit the viewport lock from <html>; content fills the viewport exactly */
  background-color: var(--color-background);
  color: var(--color-foreground);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    "Hiragino Sans",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body,
body * {
  -webkit-user-select: none;
  user-select: none;
}

input,
textarea,
pre,
code,
input *,
textarea *,
pre *,
code * {
  -webkit-user-select: text;
  user-select: text;
}

.validation-issue,
.validation-issue * {
  -webkit-user-select: text;
  user-select: text;
}

/* ── Scrollbar (minimal, shadcn-like) ────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: oklch(0.4 0.01 260);
}

/* Remove number input spinners */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* ── Channel pair connector animation ───────────────── */
@keyframes ar-flow-right {
  from {
    background-position-x: 0;
  }
  to {
    background-position-x: 8px;
  }
}

/* ── Canvas loading equalizer animation ──────────────── */
@keyframes ar-eq-bar {
  0%,
  100% {
    transform: scaleY(0.25);
  }
  50% {
    transform: scaleY(1);
  }
}

/* ── React Flow overrides ────────────────────────────── */
.react-flow__attribution {
  display: none;
}

/*
 * Edge interaction paths need a real stroke colour so that
 * pointer-events: visibleStroke can hit-test them.  React Flow sets
 * stroke-opacity:0 inline (invisible) but never sets stroke itself,
 * leaving it at the SVG initial value "none" — which makes the 30px
 * hit area collapse to 0px.  Providing any concrete colour restores
 * the full interactionWidth hit area while staying invisible.
 */
.react-flow__edge-interaction {
  stroke: var(--color-foreground);
  cursor: pointer;
}

/* ── Lock state cursor overrides ─────────────────────── */
/* Handles show crosshair by default; when locked, connection is not allowed */
[data-locked] .react-flow__handle {
  cursor: not-allowed !important;
}
/* Edge update zones suggest draggability; suppress when locked */
[data-locked] .react-flow__edgeupdater {
  cursor: not-allowed !important;
}
/* Resize handles (if any node uses NodeResizer) */
[data-locked] .react-flow__resize-control {
  cursor: not-allowed !important;
}

.react-flow__controls {
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 3px oklch(0 0 0 / 0.3);
}

.react-flow__controls-button {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-foreground);
  fill: var(--color-foreground);
}

.react-flow__controls-button:hover {
  background: var(--color-muted);
}

.react-flow__edge-text {
  font-family: ui-monospace, monospace;
  font-size: 11px;
  font-weight: 500;
}

.react-flow__edge-textbg {
  fill: var(--color-card);
}