/* ───────────────────────────────────────────────────────────────────
   Exodus design tokens — single source of truth across all tabs.
   Each tab's local :root re-aliases its own variable names to these.
   ─────────────────────────────────────────────────────────────────── */
:root {
  /* surfaces (dark, used by Brief / Assess / Plan) */
  --ex-bg:        #0d1b2a;
  --ex-bg2:       #1a2d42;
  --ex-bg3:       #1e3450;
  --ex-bg4:       #243d5c;

  /* surfaces (light, used by Locate / Routes map-style tabs) */
  --ex-bg-light:  #f4f6f9;
  --ex-card-light:#ffffff;
  --ex-ink-light: #1c2733;
  --ex-muted-light:#5b6b7a;
  --ex-line-light:#dce3ea;

  /* text */
  --ex-ink:       #e8eef4;
  --ex-muted:     #a0b4c8;

  /* brand */
  --ex-purple:    #7b2d8b;
  --ex-purple2:   #9b3dab;
  --ex-accent:    #c87dd4;

  /* lines + semantic */
  --ex-border:    #2a4060;
  --ex-green:     #27ae60;
  --ex-yellow:    #f39c12;
  --ex-orange:    #e67e22;
  --ex-red:       #c0392b;
  --ex-extreme:   #8e44ad;
  --ex-blue:      #2c7fb8;
  --ex-teal:      #1abc9c;

  /* shape + motion */
  --ex-radius:    6px;
  --ex-radius-lg: 10px;
  --ex-shadow:    0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --ex-shadow-lg: 0 4px 16px rgba(0,0,0,0.18);

  /* typography */
  --ex-font:      'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  --ex-mono:      'JetBrains Mono', Consolas, Monaco, monospace;
  --ex-fs:        13px;
  --ex-lh:        1.5;
}

/* Baseline so every iframe shares the same font + box-sizing. Page-specific
   selectors can still override anything they need to. */
*, *::before, *::after { box-sizing: border-box; }
html, body { font-family: var(--ex-font); font-size: var(--ex-fs); line-height: var(--ex-lh); }

/* ── shared primitives — opt-in via .ex-* classes ───────────────────── */
.ex-btn {
  font-family: inherit; font-size: .82rem; font-weight: 600;
  border: 1px solid var(--ex-border); background: var(--ex-bg2); color: var(--ex-ink);
  padding: 8px 14px; border-radius: var(--ex-radius); cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background .15s, border-color .15s, color .15s;
}
.ex-btn:hover { background: var(--ex-bg3); border-color: var(--ex-purple2); color: var(--ex-accent); }
.ex-btn--primary { background: linear-gradient(135deg, var(--ex-purple), var(--ex-purple2)); border-color: var(--ex-purple2); color: #fff; }
.ex-btn--primary:hover { filter: brightness(1.1); color: #fff; }

.ex-card {
  background: var(--ex-bg2); border: 1px solid var(--ex-border);
  border-radius: var(--ex-radius-lg); padding: 16px 18px; box-shadow: var(--ex-shadow);
}
.ex-card h3 { font-size: .95rem; font-weight: 700; margin: 0 0 8px; color: var(--ex-ink); }
.ex-card .ex-card-label {
  font-size: .65rem; text-transform: uppercase; letter-spacing: 1px;
  color: var(--ex-muted); font-weight: 700; margin-bottom: 6px;
}

.ex-tag {
  display: inline-block; font-size: .62rem; font-weight: 700; letter-spacing: .5px;
  text-transform: uppercase; padding: 2px 7px; border-radius: 3px;
  background: rgba(155,61,171,.18); color: var(--ex-accent); border: 1px solid rgba(155,61,171,.4);
}