/* =============================================================================
   base.css - variables de diseño, reset y tipografía
   ============================================================================= */

:root {
  /* Neutros */
  --bg:            #F6F6F4;
  --surface:       #FFFFFF;
  --surface-2:     #F0F0EE;
  --surface-3:     #E8E8E5;
  --border:        #DEDEDA;
  --border-strong: #C6C6C1;

  /* Texto */
  --text:          #1B1B1A;
  --text-2:        #4A4A47;
  --text-3:        #7A7A75;
  --text-inverse:  #FFFFFF;

  /* Acento: azul pizarra apagado, solo para acciones principales */
  --accent:        #3D5166;
  --accent-hover:  #2F4052;
  --accent-soft:   #E7ECF1;

  /* Estados, solo para informar */
  --success:       #3C6A4E;
  --success-soft:  #E6EEE9;
  --danger:        #9A3D3D;
  --danger-soft:   #F3E6E6;
  --warning:       #86672B;
  --warning-soft:  #F4EDDD;

  /* Tipografía */
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Consolas, 'Liberation Mono', monospace;

  --fs-xs:   12px;
  --fs-sm:   13px;
  --fs-base: 14px;
  --fs-md:   16px;
  --fs-lg:   20px;
  --fs-xl:   28px;
  --fs-2xl:  40px;

  /* Espaciado */
  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px;
  --s5: 24px; --s6: 32px; --s7: 48px;

  --radius:    4px;
  --radius-lg: 6px;
  --shadow:    0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  --sidebar-w: 232px;
  --topbar-h:  52px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-base);
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  font-feature-settings: 'cv11', 'ss03';
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p { margin: 0; }
h1 { font-size: var(--fs-lg); font-weight: 600; letter-spacing: -0.01em; }
h2 { font-size: var(--fs-md); font-weight: 600; }
h3 { font-size: var(--fs-base); font-weight: 600; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

button, input, select, textarea { font: inherit; color: inherit; }

[hidden] { display: none !important; }

/* Cifras alineadas en columnas: precios, totales, cantidades */
.num {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum', 'cv11';
}

.mono   { font-family: var(--mono); font-size: 0.95em; }
.muted  { color: var(--text-3); }
.right  { text-align: right; }
.center { text-align: center; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

::selection { background: var(--accent-soft); }