/* ============================================================
   SAMSAIT-ERP — Variables y Reset
   ============================================================ */
:root {
  --color-primary:   #1a56a0;
  --color-primary-d: #0f3d7a;
  --color-accent:    #f0a500;
  --color-bg:        #f4f6f9;
  --color-surface:   #ffffff;
  --color-border:    #dee2e6;
  --color-text:      #212529;
  --color-muted:     #6c757d;
  --color-danger:    #dc3545;
  --color-success:   #198754;
  --color-warning:   #ffc107;
  --color-info:      #0dcaf0;

  --banner-h:   44px;
  --header-h:   52px;
  --footer-h:   38px;
  --menu-w:     240px;
  --menu-w-col: 60px;
  --aside-w:    260px;
  --radius:     6px;
  --shadow:     0 1px 4px rgba(0,0,0,.12);
  --transition: .22s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg);
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-d); }

img { max-width: 100%; }

/* Scrollbar delgado */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #c1c1c1; border-radius: 3px; }