/* ============================================================================
   WIN DESIGN SYSTEM — Warm Graphite (dark) — prototype token sheet
   Extracted from packages/ui STYLE-GUIDE.md canon. Do NOT edit per-variant;
   these mirror the live system. Prototypes link this file; styling stays here.
   ============================================================================ */

@import url("https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@300;400;500;600&display=swap");

:root {
  /* Backgrounds (surface tiers) */
  --bg-canvas: oklch(0.17 0.008 70);
  --bg-surface-1: oklch(0.215 0.009 70);
  --bg-surface-2: oklch(0.255 0.01 70);
  --bg-surface-3: oklch(0.295 0.011 70);
  --bg-overlay-scrim: oklch(0.05 0.008 70 / 0.72);
  --bg-translucent-soft: oklch(1 0 0 / 0.03);
  --bg-translucent-medium: oklch(1 0 0 / 0.06);
  --bg-translucent-strong: oklch(1 0 0 / 0.1);

  /* Text */
  --text-primary: oklch(0.97 0.005 75);
  --text-secondary: oklch(0.85 0.008 72);
  --text-muted: oklch(0.72 0.01 68);
  --text-subtle: oklch(0.6 0.011 66);
  --text-inverse: oklch(0.21 0.009 70);

  /* Borders */
  --border-subtle: oklch(1 0 0 / 0.06);
  --border-default: oklch(1 0 0 / 0.1);
  --border-strong: oklch(1 0 0 / 0.18);
  --border-focus: oklch(0.78 0.135 78);

  /* Accents */
  --accent-primary: oklch(0.78 0.135 78);
  --accent-primary-hover: oklch(0.83 0.14 80);
  --accent-primary-muted: oklch(0.78 0.135 78 / 0.15);
  --accent-primary-border: oklch(0.78 0.135 78 / 0.4);

  --accent-warning: oklch(0.8 0.105 58);
  --accent-warning-muted: oklch(0.8 0.105 58 / 0.15);
  --accent-warning-border: oklch(0.8 0.105 58 / 0.4);
  --accent-success: oklch(0.74 0.105 150);
  --accent-success-muted: oklch(0.74 0.105 150 / 0.15);
  --accent-success-border: oklch(0.74 0.105 150 / 0.4);
  --accent-danger: oklch(0.66 0.155 28);
  --accent-danger-muted: oklch(0.66 0.155 28 / 0.15);
  --accent-danger-border: oklch(0.66 0.155 28 / 0.4);

  /* Per-role identity (subagent lanes / node kinds) */
  --role-planner: oklch(0.76 0.11 75);
  --role-researcher: oklch(0.74 0.1 160);
  --role-executor: oklch(0.74 0.11 232);
  --role-qa: oklch(0.74 0.11 300);
  --role-review: oklch(0.74 0.105 345);
  --role-skill: oklch(0.72 0.085 200);

  /* Radii */
  --radius-control: 10px;
  --radius-card: 14px;
  --radius-surface: 20px;

  /* Motion */
  --motion-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --motion-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-1: 0 1px 2px rgba(0,0,0,0.15), 0 1px 3px rgba(0,0,0,0.08);
  --shadow-2: 0 2px 4px rgba(0,0,0,0.15), 0 4px 8px rgba(0,0,0,0.1);
  --shadow-3: 0 4px 8px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.1), 0 16px 32px rgba(0,0,0,0.08);

  /* Buttons */
  --btn-primary-bg: linear-gradient(to bottom, oklch(0.82 0.135 80), oklch(0.76 0.135 78));
  --btn-primary-bg-hover: linear-gradient(to bottom, oklch(0.86 0.14 80), oklch(0.8 0.14 78));
  --btn-primary-text: oklch(0.24 0.04 80);
  --btn-primary-border: oklch(0.74 0.135 78 / 0.55);

  /* Fonts */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Chakra Petch", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; margin: 0; }
h1 { font-size: 22px; line-height: 30px; letter-spacing: 0.01em; }
h2 { font-size: 17px; line-height: 24px; }
h3 { font-size: 15px; line-height: 22px; }
h4 { font-size: 13px; line-height: 20px; }
p { margin: 0; }

code, .mono { font-family: var(--font-mono); font-size: 11.5px; }

a { color: var(--accent-primary); text-decoration: none; }
a:hover { color: var(--accent-primary-hover); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--bg-surface-3); border-radius: 999px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

/* ---- shared primitives ---- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-sans); font-size: 12px; font-weight: 500;
  padding: 7px 13px; border-radius: var(--radius-control);
  border: 1px solid transparent; cursor: pointer;
  transition: all var(--motion-fast); white-space: nowrap;
}
.btn-primary { background: var(--btn-primary-bg); color: var(--btn-primary-text); border-color: var(--btn-primary-border); box-shadow: 0 1px 3px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,255,0.3); }
.btn-primary:hover { background: var(--btn-primary-bg-hover); }
.btn-secondary { background: var(--bg-surface-2); color: var(--text-primary); border-color: var(--border-default); }
.btn-secondary:hover { border-color: var(--border-focus); }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-translucent-medium); color: var(--text-primary); }

.card { background: var(--bg-surface-1); border: 1px solid var(--border-default); border-radius: var(--radius-card); box-shadow: var(--shadow-1); }
.card-2 { background: var(--bg-surface-2); border: 1px solid var(--border-default); border-radius: var(--radius-card); box-shadow: var(--shadow-2); }

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  border-radius: 999px; padding: 2px 9px;
  font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em;
  border: 1px solid var(--border-default); background: var(--bg-translucent-medium); color: var(--text-secondary);
}
.badge-primary { background: var(--accent-primary-muted); border-color: var(--accent-primary-border); color: var(--text-primary); }
.badge-success { background: var(--accent-success-muted); border-color: var(--accent-success-border); color: var(--text-primary); }
.badge-warning { background: var(--accent-warning-muted); border-color: var(--accent-warning-border); color: var(--text-primary); }

.chip {
  display: inline-flex; align-items: center; gap: 5px;
  border-radius: var(--radius-control); padding: 3px 9px;
  font-size: 11px; font-weight: 500;
  background: var(--bg-translucent-soft); color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.input {
  width: 100%; border-radius: var(--radius-control);
  border: 1px solid var(--border-default); background: var(--bg-translucent-soft);
  padding: 9px 12px; font-size: 13px; color: var(--text-primary);
  font-family: var(--font-sans); resize: none;
}
.input::placeholder { color: var(--text-subtle); }
.input:focus { outline: none; border-color: var(--border-focus); box-shadow: 0 0 0 2px var(--accent-primary-muted); }

.dot { width: 7px; height: 7px; border-radius: 999px; flex: none; }
.muted { color: var(--text-muted); }
.subtle { color: var(--text-subtle); }
.mono-slug { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }

/* prototype banner shared by all variants */
.proto-banner {
  position: fixed; bottom: 14px; right: 14px; z-index: 200;
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-surface-3); border: 1px solid var(--border-strong);
  border-radius: 999px; padding: 6px 13px; font-size: 11px; color: var(--text-muted);
  box-shadow: var(--shadow-3);
}
.proto-banner b { color: var(--accent-primary); font-weight: 600; }