/* ============================================================
   Design tokens — Praxis ERP
   Paleta dark-first con acento cian (ciberseguridad profesional)
   ============================================================ */

:root {
  /* Tipografía */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Escalas de tamaño */
  --fs-xs: 0.75rem;     /* 12 */
  --fs-sm: 0.8125rem;   /* 13 */
  --fs-base: 0.875rem;  /* 14 */
  --fs-md: 0.9375rem;   /* 15 */
  --fs-lg: 1.0625rem;   /* 17 */
  --fs-xl: 1.25rem;     /* 20 */
  --fs-2xl: 1.5rem;     /* 24 */
  --fs-3xl: 1.875rem;   /* 30 */
  --fs-4xl: 2.25rem;    /* 36 */

  /* Espaciado (base 4px) */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;

  /* Radios */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Layout */
  --sidebar-w: 248px;
  --sidebar-w-collapsed: 68px;
  --topbar-h: 60px;
  --container-max: 1440px;

  /* Transiciones */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 120ms;
  --dur: 200ms;
  --dur-slow: 320ms;

  /* Z-index */
  --z-sidebar: 40;
  --z-topbar: 30;
  --z-overlay: 50;
  --z-toast: 100;
}

/* ============ DARK (default) ============ */
[data-theme="dark"] {
  /* Superficies */
  --bg-0: #070B14;
  --bg-1: #0D1221;
  --bg-2: #141A2E;
  --bg-3: #1C2340;
  --bg-4: #272F52;

  /* Bordes */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.14);

  /* Texto */
  --text-hi: #F5F7FA;
  --text-md: #B8C0D4;
  --text-lo: #6B7691;
  --text-dim: #4A5374;

  /* Acento (cian ciberseguridad) */
  --accent: #22D3EE;
  --accent-hover: #67E8F9;
  --accent-dim: rgba(34, 211, 238, 0.12);
  --accent-border: rgba(34, 211, 238, 0.35);

  /* Semánticos */
  --success: #10B981;
  --success-dim: rgba(16, 185, 129, 0.12);
  --warning: #F59E0B;
  --warning-dim: rgba(245, 158, 11, 0.14);
  --danger: #EF4444;
  --danger-dim: rgba(239, 68, 68, 0.14);
  --info: #3B82F6;
  --info-dim: rgba(59, 130, 246, 0.14);

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 0 1px var(--accent-border), 0 0 24px -4px rgba(34, 211, 238, 0.3);

  /* Gradientes */
  --grad-accent: linear-gradient(135deg, #22D3EE 0%, #3B82F6 100%);
  --grad-surface: linear-gradient(180deg, rgba(34, 211, 238, 0.04) 0%, transparent 100%);

  color-scheme: dark;
}

/* ============ LIGHT ============ */
[data-theme="light"] {
  --bg-0: #F5F7FA;
  --bg-1: #FFFFFF;
  --bg-2: #F9FAFC;
  --bg-3: #F1F4F9;
  --bg-4: #E6EAF2;

  --border-subtle: rgba(15, 23, 42, 0.05);
  --border: rgba(15, 23, 42, 0.09);
  --border-strong: rgba(15, 23, 42, 0.16);

  --text-hi: #0F172A;
  --text-md: #475569;
  --text-lo: #64748B;
  --text-dim: #94A3B8;

  --accent: #0891B2;
  --accent-hover: #0E7490;
  --accent-dim: rgba(8, 145, 178, 0.1);
  --accent-border: rgba(8, 145, 178, 0.3);

  --success: #059669;
  --success-dim: rgba(5, 150, 105, 0.1);
  --warning: #D97706;
  --warning-dim: rgba(217, 119, 6, 0.12);
  --danger: #DC2626;
  --danger-dim: rgba(220, 38, 38, 0.1);
  --info: #2563EB;
  --info-dim: rgba(37, 99, 235, 0.1);

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 0 1px var(--accent-border), 0 0 24px -4px rgba(8, 145, 178, 0.25);

  --grad-accent: linear-gradient(135deg, #0891B2 0%, #2563EB 100%);
  --grad-surface: linear-gradient(180deg, rgba(8, 145, 178, 0.04) 0%, transparent 100%);

  color-scheme: light;
}