/* ============================================================
   AIP — AI Procurement · design system
   Dark / mint command-centre. Shared by index.html + app.html.
   ============================================================ */

:root {
  /* Surfaces — cool graphite, teal bias */
  --bg-base: #0A0F0E;
  --bg-panel: #101715;
  --bg-elevated: #16211E;
  --bg-inset: #0C1211;

  /* Mint accent */
  --mint-500: #3FE0B0;
  --mint-400: #5FF0C4;
  --mint-600: #24B98F;
  --mint-ink: #04110D;
  --mint-glow: rgba(63, 224, 176, 0.35);
  --mint-tint: rgba(63, 224, 176, 0.10);

  /* Text — never pure white */
  --text-primary: #EAF2EF;
  --text-secondary: #9DB2AC;
  --text-muted: #63736E;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-soft: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-mint: rgba(63, 224, 176, 0.30);

  /* Traffic-light — jewel tones */
  --red: #F0666E;    --red-tint: rgba(240, 102, 110, 0.12);   --red-glow: rgba(240, 102, 110, 0.30);
  --amber: #E8B24C;  --amber-tint: rgba(232, 178, 76, 0.12);  --amber-glow: rgba(232, 178, 76, 0.28);
  --green: #4FD08A;  --green-tint: rgba(79, 208, 138, 0.12);  --green-glow: rgba(79, 208, 138, 0.26);

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", ui-monospace, "Menlo", monospace;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  /* Shadow */
  --shadow-panel: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-pop: 0 16px 48px rgba(0, 0, 0, 0.60);
  --shadow-mint: 0 0 0 1px var(--border-mint), 0 8px 28px var(--mint-glow);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 120ms;
  --dur-base: 200ms;
  --dur-slow: 320ms;
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-base);
  /* ambient command-centre grid */
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { margin: 0; font-weight: 620; text-wrap: balance; letter-spacing: -0.015em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }
input { font: inherit; }
::selection { background: var(--mint-tint); color: var(--mint-400); }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.cap {
  font-size: 11px; line-height: 14px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted);
}
.muted { color: var(--text-muted); }
.sec { color: var(--text-secondary); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border-radius: var(--radius-md); padding: 10px 16px;
  font-weight: 600; font-size: 14px; white-space: nowrap;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--mint-500); color: var(--mint-ink); box-shadow: 0 4px 16px var(--mint-glow); }
.btn-primary:hover { background: var(--mint-400); }
.btn-primary:active { background: var(--mint-600); }
.btn-ghost { background: transparent; color: var(--text-primary); border: 1px solid var(--border-soft); }
.btn-ghost:hover { border-color: var(--border-strong); background: rgba(255, 255, 255, 0.03); }
.btn-sm { padding: 7px 12px; font-size: 13px; }
:focus-visible { outline: 2px solid var(--mint-500); outline-offset: 2px; border-radius: 4px; }

/* ---------- pills & dots (traffic light) ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: var(--radius-pill); padding: 3px 10px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  border: 1px solid transparent;
}
.pill.red   { background: var(--red-tint);   color: var(--red);   border-color: var(--red-glow); }
.pill.amber { background: var(--amber-tint); color: var(--amber); border-color: var(--amber-glow); }
.pill.green { background: var(--green-tint); color: var(--green); border-color: var(--green-glow); }
.pill.mint  { background: var(--mint-tint);  color: var(--mint-400); border-color: var(--border-mint); }
.pill.plain { background: rgba(255,255,255,0.04); color: var(--text-secondary); border-color: var(--border-soft); }

.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; display: inline-block; }
.dot.red { background: var(--red); }
.dot.amber { background: var(--amber); }
.dot.green { background: var(--green); }
.dot.pulse { animation: urgentPulse 2s var(--ease) infinite; }

/* ---------- cards / panels ---------- */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  padding: 20px;
}
.panel-hd { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 12px; }
.panel-hd h2 { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }

/* gradient hairline — reserved for hero + agent surfaces */
.hairline {
  border: 1px solid transparent;
  background:
    linear-gradient(var(--bg-panel), var(--bg-panel)) padding-box,
    linear-gradient(135deg, var(--border-mint), transparent 42%) border-box;
}

/* ---------- animations ---------- */
@keyframes urgentPulse { 0%, 100% { box-shadow: 0 0 0 0 var(--red-glow); } 50% { box-shadow: 0 0 0 6px transparent; } }
@keyframes agentDots  { 0% { opacity: .3; } 50% { opacity: 1; } 100% { opacity: .3; } }
@keyframes riseIn     { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes shimmer    { from { background-position: -140% 0; } to { background-position: 240% 0; } }
@keyframes drawerIn   { from { transform: translateX(24px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes fadeIn     { from { opacity: 0; } to { opacity: 1; } }

.rise { animation: riseIn var(--dur-base) var(--ease) both; }

/* live-quote shimmer sweep across a price cell */
.shimmer {
  background-image: linear-gradient(100deg, transparent 20%, var(--mint-tint) 50%, transparent 80%);
  background-size: 220% 100%;
  animation: shimmer 700ms var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}