/* ── CSS Variables ────────────────────────────────────────��──────────────────── */
:root {
  --bg:          #0d1117;
  --bg-nav:      #0f141a;
  --bg-card:     #12171d;
  --bg-item:     #161c24;
  --teal:        #1f6f78;
  --teal-hover:  #2a9aa8;
  --teal-bright: #3aafba;
  --text:        #e2e8f0;
  --text-muted:  #7a8592;
  --red:         #f87171;
  --green:       #4ade80;
  --border:      rgba(31, 111, 120, 0.35);
  --radius:      8px;
  --shadow:      0 4px 20px rgba(0, 0, 0, 0.5);
  /* Exact-value type scale; one-off sizes remain literal. */
  --fs-062: 0.62rem;
  --fs-065: 0.65rem;
  --fs-068: 0.68rem;
  --fs-070: 0.7rem;
  --fs-072: 0.72rem;
  --fs-075: 0.75rem;
  --fs-078: 0.78rem;
  --fs-080: 0.8rem;
  --fs-081: 0.81rem;
  --fs-082: 0.82rem;
  --fs-085: 0.85rem;
  --fs-088: 0.88rem;
  --fs-090: 0.9rem;
  --fs-100: 1rem;

  /* Exact-value spacing scale for padding, margin, and gap. */
  --sp-6: 6px;
  --sp-8: 8px;
  --sp-10: 10px;
  --sp-14: 14px;
  --sp-18: 18px;

  /* Teal interaction tints. */
  --tint-teal-06: rgba(31, 111, 120, 0.06);
  --tint-teal-10: rgba(31, 111, 120, 0.1);
  --tint-teal-12: rgba(31, 111, 120, 0.12);
  --tint-teal-15: rgba(31, 111, 120, 0.15);
  --tint-teal-20: rgba(31, 111, 120, 0.2);
  --tint-teal-40: rgba(31, 111, 120, 0.4);
}

/* ── Reset & Base ────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; }  /* base for rem — overridden by inline style from font-scale setting */

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  font-size: var(--fs-100);
  line-height: 1.6;
  scroll-behavior: smooth;
}

a { color: inherit; text-decoration: none; }

/* ── Page Wrapper ────────────────────────────────────────────────────────────── */
.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}