/* =========================================================
   IntelAgro Design System — Tokens
   Capa 1: variables, reset, layout, tipografia, utilidades
   Panel de analisis de datos multi-cliente
   ========================================================= */

:root {
  /* ── Raw palette (extraido del logo IntelAgro) ── */
  --color-forest-900:   #1B6B2E;
  --color-forest-700:   #2D8B3E;
  --color-forest-500:   #5DB448;
  --color-forest-400:   #7BC74E;
  --color-forest-100:   #E2F5D8;
  --color-forest-50:    #F2FAF0;
  --color-slate-900:    #1E293B;
  --color-slate-700:    #334155;
  --color-slate-600:    #475569;
  --color-slate-400:    #94A3B8;
  --color-slate-200:    #E2E8F0;
  --color-slate-100:    #F1F5F9;
  --color-slate-50:     #F8FAFC;
  --color-white:        #FFFFFF;
  --color-purple-500:   #9333EA;
  --color-purple-100:   #F3E8FF;
  --color-purple-50:    #FAF5FF;

  /* ── Brand aliases (IntelAgro — decisiones inteligentes) ── */
  --brand-raiz:         var(--color-forest-900);   /* profundidad, lo fundacional    */
  --brand-tallo:        var(--color-forest-700);   /* crecimiento, la estructura     */
  --brand-hoja:         var(--color-forest-500);   /* accion, la decision inteligente */
  --brand-campo:        var(--color-forest-50);    /* el terreno, la base            */

  /* ── Semantic: consumed by components ── */
  --color-bg:           var(--color-white);
  --color-bg-soft:      var(--color-slate-50);
  --color-bg-alt:       var(--color-slate-100);
  --color-bg-accent:    var(--color-forest-50);
  --color-bg-dark:      var(--color-slate-900);
  --color-text:         var(--color-slate-700);
  --color-text-soft:    var(--color-slate-600);
  --color-text-muted:   var(--color-slate-400);
  --color-heading:      var(--color-forest-900);
  --color-accent:       var(--color-forest-700);
  --color-accent-hover: var(--color-forest-900);
  --color-accent-soft:  var(--color-forest-100);
  --color-accent-bright: var(--color-forest-500);
  --color-border:       var(--color-slate-200);
  --color-border-soft:  var(--color-slate-100);
  --color-on-accent:    var(--color-white);
  --color-on-dark:      var(--color-slate-100);

  /* ── Data states ── */
  --color-success:      #16A34A;
  --color-success-soft: #DCFCE7;
  --color-warning:      #D97706;
  --color-warning-soft: #FEF3C7;
  --color-error:        #DC2626;
  --color-error-soft:   #FEE2E2;
  --color-info:         #2563EB;
  --color-info-soft:    #DBEAFE;
  --color-highlight:      #9333EA;
  --color-highlight-soft: #F3E8FF;

  /* ── Chart palette (8 colores distinguibles) ── */
  --chart-1:            #2D8B3E;
  --chart-2:            #2563EB;
  --chart-3:            #D97706;
  --chart-4:            #9333EA;
  --chart-5:            #DC2626;
  --chart-6:            #0891B2;
  --chart-7:            #C026D3;
  --chart-8:            #475569;

  /* ── Typography ── */
  --font-sans:  "Inter", system-ui, -apple-system, sans-serif;
  --font-display: "Montserrat", "Inter", system-ui, sans-serif;
  --font-mono:  ui-monospace, "SF Mono", "Cascadia Code", monospace;

  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-lg:    1.125rem;
  --text-xl:    1.25rem;
  --text-2xl:   1.5rem;
  --text-3xl:   1.875rem;
  --text-4xl:   2.25rem;
  --text-5xl:   3rem;
  --text-6xl:   3.75rem;

  --line-tight:   1.08;
  --line-snug:    1.25;
  --line-normal:  1.6;
  --line-relaxed: 1.65;

  --tracking-tight:  -0.02em;
  --tracking-wide:    0.05em;
  --tracking-widest:  0.12em;

  /* ── Spacing ── */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.5rem;
  --space-6:  2rem;
  --space-7:  2.5rem;
  --space-8:  3rem;
  --space-9:  4rem;
  --space-10: 5rem;
  --space-11: 7rem;
  --space-12: 9rem;

  /* ── Borders & Radius ── */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;

  /* ── Shadows ── */
  --shadow-sm: 0 1px 3px rgba(30, 41, 59, 0.06);
  --shadow-md: 0 4px 12px rgba(30, 41, 59, 0.08);
  --shadow-lg: 0 8px 24px rgba(30, 41, 59, 0.10);

  /* ── Layout ── */
  --container-lg: 80rem;
  --container-md: 64rem;
  --container-sm: 42rem;
  --sidebar-w:    16rem;

  /* ── Alpha variants (semantic) ── */
  --color-white-alpha-95:  rgba(255, 255, 255, 0.95);
  --color-header-bg:       var(--color-white-alpha-95);
  --color-accent-alpha-10: rgba(45, 139, 62, 0.10);
  --color-accent-alpha-20: rgba(45, 139, 62, 0.20);
  --color-border-light:    rgba(30, 41, 59, 0.08);
  --color-overlay:         rgba(30, 41, 59, 0.45);
  --color-sidebar-overlay: rgba(30, 41, 59, 0.50);
  --color-white-alpha-06:  rgba(255, 255, 255, 0.06);
  --color-white-alpha-08:  rgba(255, 255, 255, 0.08);
  --color-white-alpha-12:  rgba(255, 255, 255, 0.12);

  /* ── Accessibility ── */
  --focus-ring:   2px solid var(--color-accent);
  --focus-offset: 2px;
}

/* =========================================================
   Reset
   ========================================================= */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--line-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

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

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

:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
  border-radius: var(--radius-sm);
}

/* =========================================================
   Utilities (max 10)
   ========================================================= */

.text-center    { text-align: center; }
.mx-auto        { margin-inline: auto; }
.max-w-sm       { max-width: 24rem; }
.max-w-md       { max-width: 28rem; }
.max-w-lg       { max-width: 36rem; }
.max-w-xl       { max-width: 42rem; }
.max-w-2xl      { max-width: 56rem; }
.mb-0           { margin-bottom: 0; }
.mt-0           { margin-top: 0; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}