/* =========================================================
   Design System — dth.cellcenter.com.co
   Fase 2: Tokens globales + modo oscuro preparado
   ========================================================= */

:root {
  /* Paleta principal */
  --primary: #d52b1e;
  --primary-dark: #9e1c12;
  --primary-light: #ef4444;
  --secondary: #5b0e2d;
  --accent: #6d28d9;

  /* Superficies (Light) */
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-elevated: #ffffff;
  --card: #ffffff;

  /* Texto (Light) */
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-on-primary: #ffffff;

  /* Bordes & Sombras */
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 8px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.12);

  /* Radius */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Tipografía */
  --font-sans: 'Quicksand', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout */
  --sidebar-width: 260px;
  --sidebar-collapsed: 72px;
  --header-height: 64px;
  --content-max: 1440px;
  --transition: .25s cubic-bezier(.4,0,.2,1);

  /* Z-index scale */
  --z-sidebar: 1030;
  --z-header: 1020;
  --z-toast: 1060;
  --z-modal: 1050;
}

/* ===================== DARK MODE ===================== */
[data-theme="dark"] {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-elevated: #27354f;
  --card: #1e293b;

  --text: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-on-primary: #ffffff;

  --border: #334155;
  --border-light: #1e293b;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
  --shadow: 0 8px 24px rgba(0,0,0,.35);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.45);
}

/* ===================== RESET SUAVE ===================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ===================== UTILIDADES ===================== */
.text-primary { color: var(--primary) !important; }
.text-muted    { color: var(--text-muted) !important; }
.bg-surface    { background: var(--surface) !important; }
.bg-card       { background: var(--card) !important; }
.border-ds     { border-color: var(--border) !important; }

/* ===================== CARDS ===================== */
.card-ds,
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card-ds:hover {
  box-shadow: var(--shadow-lg);
}

.card-ds .card-header,
.card-header-ds {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 14px 20px;
  font-weight: 600;
}

.card-ds .card-body,
.card-body-ds {
  padding: 20px;
}

.card-ds .card-footer,
.card-footer-ds {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 12px 20px;
}

/* Card especial para órdenes */
.card-orden {
  background: var(--card);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.card-orden:hover {
  box-shadow: var(--shadow-lg);
}
.card-orden .card-header {
  border: none;
  border-radius: 0;
  padding: 10px 16px;
  font-weight: 600;
  font-size: .95rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-orden .card-body {
  padding: 14px 16px;
}
.card-orden .card-footer {
  border: none;
  border-radius: 0;
  padding: 8px 16px;
  font-size: .85rem;
  background: var(--border-light);
}

/* Acciones en cards */
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  padding-top: 8px;
}

/* Grid de cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  padding: 8px 0;
}

/* Scrollbar moderna */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-dark); }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: var(--primary); }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* Mobile: cards más grandes y legibles */
@media (max-width: 576px) {
  .card-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .card-orden .card-header {
    font-size: 1.05rem;
    padding: 12px 14px;
  }
  .card-orden .card-body {
    padding: 16px 14px;
    font-size: 1rem;
  }
  .card-orden .card-footer {
    font-size: .95rem;
    padding: 12px 14px;
  }
  .card-actions .btn {
    padding: 10px 16px;
    font-size: 1rem;
  }
}