/* ─────────────────────────────────────────────────────────────────────
   PLINTH · Decision Intelligence — Design System
   Drop into your existing app's stylesheet. Variables can be overridden
   from any consuming theme.
   ───────────────────────────────────────────────────────────────────── */

:root {
  /* Layered surfaces (dark luxury) */
  --bg:  #08080d;
  --bg2: #0f0f18;
  --bg3: #14141f;
  --bg4: #1a1a28;

  /* Borders / dividers */
  --border: rgba(255, 255, 255, 0.07);
  --border-bright: rgba(255, 255, 255, 0.14);

  /* Text */
  --text: #e8e6f0;
  --text-dim: rgba(232, 230, 240, 0.72);
  --text-muted: rgba(232, 230, 240, 0.46);

  /* Brand — violet accent */
  --accent: #7c6af5;
  --accent-glow: rgba(124, 106, 245, 0.30);
  --accent-dim:  rgba(124, 106, 245, 0.15);

  /* Signal palette */
  --amber: #f5a623;
  --amber-dim: rgba(245, 166, 35, 0.15);
  --green: #4ade80;
  --green-dim: rgba(74, 222, 128, 0.12);
  --red:   #f87171;
  --red-dim:   rgba(248, 113, 113, 0.12);

  /* Type stack */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, -apple-system, sans-serif;
  --font-mono:    'DM Mono', ui-monospace, Menlo, monospace;

  /* Radii / shadow */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --shadow-glow-accent: 0 0 20px var(--accent-glow);
}

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

html, body {
  width: 100%; height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

#root { width: 100%; height: 100%; }

/* Fine-grain custom scrollbar */
::-webkit-scrollbar              { width: 4px; height: 4px; }
::-webkit-scrollbar-track        { background: transparent; }
::-webkit-scrollbar-thumb        { background: var(--border-bright); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover  { background: var(--text-muted); }

/* ───── Animations ───── */
@keyframes fadeUp     { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn     { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideRight { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideLeft  { from { opacity: 0; transform: translateX(20px); }  to { opacity: 1; transform: translateX(0); } }
@keyframes ticker     { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes pulse-glow { 0%,100% { box-shadow: 0 0 0 0 var(--accent-glow); } 50% { box-shadow: 0 0 20px 4px var(--accent-glow); } }
@keyframes shimmer    { 0% { background-position: -200% center; } 100% { background-position: 200% center; } }
@keyframes blink      { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ───── Utility primitives ───── */
.plinth-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.plinth-mono { font-family: var(--font-mono); }
.plinth-display { font-family: var(--font-display); }
.plinth-eyebrow {
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.plinth-glow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  display: inline-block;
}
.plinth-glow-dot--live {
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: blink 2s ease infinite;
}