/* ============================================================================
   PSM-OS v2 — Design Tokens
   ============================================================================
   Cores, tipografia, spacing, shadows. Tudo via CSS vars.
   Tema light por padrão; .dark switch troca pra dark.
============================================================================ */

:root {
  /* Brand */
  --psm-navy:       #0f172a;
  --psm-navy-2:     #1e293b;
  --psm-gold:       #d4a843;
  --psm-gold-2:     #b8861f;
  --psm-red:        #dc2626;
  --psm-blue:       #3b82f6;
  --psm-green:      #10b981;
  --psm-purple:     #a855f7;

  /* Surface (light) */
  --bg:             #f8fafc;
  --bg-2:           #ffffff;
  --bg-3:           #f1f5f9;
  --border:         #e2e8f0;
  --border-2:       #cbd5e1;

  /* Ink */
  --ink:            #0f172a;
  --ink-2:          #334155;
  --ink-muted:      #64748b;
  --ink-inverted:   #ffffff;

  /* Aliases legados (várias páginas usam --muted/--bd/--tx) — resolvem ao token
     correto em ambos os temas via var() (substituição lazy no uso). */
  --muted:          var(--ink-muted);
  --bd:             var(--border);
  --tx:             var(--ink);

  /* State */
  --ok:             #16a34a;
  --warn:           #d97706;
  --err:            #dc2626;
  --info:           #2563eb;

  /* Typography */
  --font-sans:      -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
                    "Helvetica Neue", Arial, sans-serif;
  --font-mono:      ui-monospace, "SF Mono", "Roboto Mono", Menlo, monospace;
  --fs-xs:          11px;
  --fs-sm:          12.5px;
  --fs-base:        14px;
  --fs-lg:          16px;
  --fs-xl:          18px;
  --fs-2xl:         22px;
  --fs-3xl:         28px;
  --fs-4xl:         36px;
  --lh-tight:       1.2;
  --lh-base:        1.5;

  /* Spacing scale */
  --s-1:            4px;
  --s-2:            8px;
  --s-3:            12px;
  --s-4:            16px;
  --s-5:            20px;
  --s-6:            24px;
  --s-8:            32px;
  --s-10:           40px;
  --s-12:           48px;
  --s-16:           64px;

  /* Radius */
  --r-sm:           6px;
  --r-md:           10px;
  --r-lg:           14px;
  --r-xl:           20px;
  --r-full:         9999px;

  /* Shadow */
  --shadow-sm:      0 1px 2px rgba(15,23,42,0.06);
  --shadow-md:      0 4px 12px rgba(15,23,42,0.08);
  --shadow-lg:      0 12px 32px rgba(15,23,42,0.12);

  /* Z layers */
  --z-toast:        1000;
  --z-modal:        900;
  --z-dropdown:     800;
  --z-header:       100;
  --z-sidebar:      90;
}

/* Dark mode */
:root.dark {
  --bg:             #0b1120;
  --bg-2:           #111827;
  --bg-3:           #1f2937;
  --border:         #1f2937;
  --border-2:       #334155;

  --ink:            #f8fafc;
  --ink-2:          #cbd5e1;
  --ink-muted:      #94a3b8;
  --ink-inverted:   #0f172a;
}

/* Reset base */
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}
a { color: var(--info); text-decoration: none; }
a:hover { text-decoration: underline; }