/* =========================================================================
   style.css - SIGRE
   -------------------------------------------------------------------------
   Sistema visual propio (sin Bootstrap/Tailwind) inspirado en fichas de
   inventario físico y papelería institucional: azul tinta, crema cálido,
   tipografía serif con carácter para títulos + sans para datos.
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. Tokens de diseño (custom properties)
   ------------------------------------------------------------------------- */
:root {
  /* Paleta — azul tinta institucional + acentos de estado */
  --color-ink-900: #14213A;     /* texto fuerte / sidebar */
  --color-primary-700: #1B3A6B; /* azul tinta primario */
  --color-primary-500: #2D5F8A; /* azul secundario */
  --color-primary-100: #E4ECF5; /* fondo suave de acento */

  --color-success-700: #355E40;
  --color-success-500: #4A7856;
  --color-success-100: #E5EFE6;

  --color-warning-700: #9C6428;
  --color-warning-500: #C8843C;
  --color-warning-100: #F8EBDA;

  --color-danger-700: #832F2B;
  --color-danger-500: #A8423D;
  --color-danger-100: #F5E1DF;

  --color-neutral-900: #1F2421;
  --color-neutral-700: #4B5258;
  --color-neutral-400: #8B9198;
  --color-neutral-200: #DDD8CC;
  --color-neutral-100: #ECE8DD;

  --color-bg: #F7F4EE;          /* crema cálido, evoca papel */
  --color-surface: #FFFFFF;
  --color-border: #E2DDD0;

  /* Tipografía. Cadenas de fallback completas: si Google Fonts no carga
     (red restringida, firewall de feria, modo offline), el sistema cae a
     tipografías nativas de alta calidad en vez de un genérico plano. */
  --font-display: 'Fraunces', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', Consolas, 'Courier New', monospace;

  /* Escala tipográfica */
  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 0.9375rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;

  /* Espaciado */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  /* Bordes y sombras */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(20, 33, 58, 0.06);
  --shadow-md: 0 4px 16px rgba(20, 33, 58, 0.08);
  --shadow-lg: 0 12px 32px rgba(20, 33, 58, 0.14);

  /* Layout */
  --sidebar-width: 260px;
  --topbar-height: 68px;

  /* Firma visual: esquina cortada sutil, evoca ficha de inventario en papel */
  --clip-card: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

/* -------------------------------------------------------------------------
   2. Reset y base
   ------------------------------------------------------------------------- */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-neutral-900);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--color-ink-900);
  margin: 0;
  font-weight: 600;
}

h1 { font-size: var(--text-2xl); letter-spacing: -0.01em; }
h2 { font-size: var(--text-lg); }

p { margin: 0; }

button {
  font-family: inherit;
  cursor: pointer;
}

input {
  font-family: inherit;
  font-size: var(--text-base);
}

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

.mono { font-family: var(--font-mono); font-size: 0.9em; }
.text-right { text-align: right; }

/* Foco visible accesible — nunca lo quitamos, solo lo estilizamos */
:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* -------------------------------------------------------------------------
   3. Shell de la aplicación: sidebar + topbar + contenido
   ------------------------------------------------------------------------- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--color-ink-900);
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: var(--space-5) 0;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-5) var(--space-5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: var(--space-4);
}

.sidebar__brand-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-warning-500));
  flex-shrink: 0;
  clip-path: var(--clip-card);
}

.sidebar__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  min-width: 0;
}

.sidebar__brand-text strong {
  font-family: var(--font-display);
  font-size: var(--text-base);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__brand-text span {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 var(--space-3);
  flex: 1;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.nav-item.is-active {
  background: var(--color-primary-500);
  color: #fff;
}

.nav-item__icon {
  width: 18px;
  text-align: center;
  font-size: var(--text-base);
}

.sidebar__footer {
  padding: var(--space-4) var(--space-4) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--space-4);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.user-chip__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary-500);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 600;
  flex-shrink: 0;
}

.user-chip__info {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  min-width: 0;
}

.user-chip__info strong {
  font-size: var(--text-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-chip__info span {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
}

/* ---- Área principal ---- */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: var(--topbar-height);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0 var(--space-6);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar__search {
  flex: 1;
  max-width: 420px;
}

.topbar__search input {
  width: 100%;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-sm);
}

.topbar__search input:focus-visible {
  background: var(--color-surface);
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.language-toggle {
  min-height: 36px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-primary-700);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.language-toggle:hover {
  background: var(--color-bg);
  border-color: var(--color-primary-500);
}

.login-language-toggle {
  display: block;
  margin: calc(-1 * var(--space-3)) calc(-1 * var(--space-2)) var(--space-4) auto;
}

.icon-btn {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-base);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s ease;
}

.icon-btn:hover { background: var(--color-bg); }

.icon-btn__dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-danger-500);
}

.content {
  flex: 1;
  padding: var(--space-6);
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}

/* -------------------------------------------------------------------------
   4. Encabezado de página
   ------------------------------------------------------------------------- */
.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.page-header__subtitle {
  color: var(--color-neutral-700);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}

/* -------------------------------------------------------------------------
   5. KPI cards
   ------------------------------------------------------------------------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary-500);
  border-radius: var(--radius-md);
  clip-path: var(--clip-card);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.kpi-card--ok { border-top-color: var(--color-success-500); }
.kpi-card--critico { border-top-color: var(--color-danger-500); }
.kpi-card--neutral { border-top-color: var(--color-primary-500); }

.kpi-card__icon {
  font-size: var(--text-xl);
  color: var(--color-primary-500);
}

.kpi-card--ok .kpi-card__icon { color: var(--color-success-500); }
.kpi-card--critico .kpi-card__icon { color: var(--color-danger-500); }

.kpi-card__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kpi-card__label {
  font-size: var(--text-xs);
  color: var(--color-neutral-700);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi-card__value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-ink-900);
}

/* -------------------------------------------------------------------------
   6. Paneles y grid del dashboard
   ------------------------------------------------------------------------- */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-4);
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel__header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.panel__body {
  padding: var(--space-5);
  flex: 1;
}

/* -------------------------------------------------------------------------
   7. Tablas de datos
   ------------------------------------------------------------------------- */
.data-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table th {
  text-align: left;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-neutral-700);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.data-table td {
  padding: var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--color-neutral-100);
}

.data-table tbody tr:hover {
  background: var(--color-bg);
}

.data-table th.text-right, .data-table td.text-right { text-align: right; }

/* -------------------------------------------------------------------------
   8. Badges de estado
   ------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 600;
}

.badge--ok { background: var(--color-success-100); color: var(--color-success-700); }
.badge--bajo { background: var(--color-warning-100); color: var(--color-warning-700); }
.badge--critico { background: var(--color-danger-100); color: var(--color-danger-700); }
.badge--agotado { background: var(--color-neutral-200); color: var(--color-neutral-900); }

/* -------------------------------------------------------------------------
   9. Lista de categorías (panel lateral del dashboard)
   ------------------------------------------------------------------------- */
.category-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.category-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.category-row__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.category-row__name {
  flex: 1;
  font-size: var(--text-sm);
}

.category-row__count {
  color: var(--color-neutral-700);
}

/* -------------------------------------------------------------------------
   10. Estado vacío
   ------------------------------------------------------------------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-5) 0;
  text-align: center;
  color: var(--color-neutral-700);
}

.empty-state strong {
  color: var(--color-ink-900);
  font-family: var(--font-display);
  font-size: var(--text-lg);
}

/* -------------------------------------------------------------------------
   11. Pantalla de login
   ------------------------------------------------------------------------- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 15% 20%, rgba(27, 58, 107, 0.06), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(200, 132, 60, 0.07), transparent 40%),
    var(--color-bg);
  padding: var(--space-5);
}

.login-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-7) var(--space-6);
  max-width: 440px;
  width: 100%;
}

.login-card__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.login-card__brand .sidebar__brand-mark {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-2);
}

.login-card__logo {
  width: 140px;
  height: auto;
  margin-bottom: var(--space-2);
}

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

.login-card__brand h1 {
  font-size: var(--text-xl);
}

.login-card__brand p {
  color: var(--color-neutral-700);
  font-size: var(--text-sm);
}

.demo-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background: var(--color-warning-100);
  color: var(--color-warning-700);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-5);
  text-align: center;
}

.demo-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-warning-500);
  flex-shrink: 0;
}

.login-card__hint {
  font-size: var(--text-sm);
  color: var(--color-neutral-700);
  margin-bottom: var(--space-4);
}

.login-card__users {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.user-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  text-align: left;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.user-option:hover {
  border-color: var(--color-primary-500);
  background: var(--color-primary-100);
}

.user-option__info {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.user-option__info strong {
  font-size: var(--text-sm);
  color: var(--color-ink-900);
}

.user-option__info span {
  font-size: var(--text-xs);
  color: var(--color-neutral-700);
}

/* -------------------------------------------------------------------------
   12. Toasts
   ------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  left: var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
  z-index: 100;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-ink-900);
  color: #fff;
  padding: var(--space-3) var(--space-4) var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  max-width: min(380px, calc(100vw - var(--space-5) * 2));
  pointer-events: auto;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.toast__close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
  line-height: 1;
  padding: 2px;
  border-radius: 4px;
}

.toast__close:hover { color: #fff; background: rgba(255, 255, 255, 0.12); }

.toast--success { border-left: 3px solid var(--color-success-500); }
.toast--info { border-left: 3px solid var(--color-primary-500); }
.toast--error { border-left: 3px solid var(--color-danger-500); }

/* -------------------------------------------------------------------------
   13. Responsive
   ------------------------------------------------------------------------- */

/* Controles del drawer mobile — ocultos por defecto en escritorio.
   Se activan únicamente bajo el breakpoint de 768px más abajo. */
.sidebar__toggle { display: none; }
.sidebar__close { display: none; }

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 33, 58, 0.5);
  z-index: 150;
}

@media (max-width: 1024px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  /* El sidebar se convierte en un drawer deslizable: permanece en el DOM
     (nunca display:none) para que sea accesible vía el botón hamburguesa.
     Antes de esta corrección el sidebar se ocultaba sin ninguna alternativa
     de navegación, dejando la app inutilizable en móvil tras iniciar sesión. */
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(280px, 80vw);
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    z-index: 200;
    box-shadow: var(--shadow-lg);
  }

  .sidebar.is-open { transform: translateX(0); }

  .sidebar__toggle {
    display: flex;
    font-size: var(--text-lg);
  }

  .sidebar__close {
    display: flex;
    margin-left: auto;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: #fff;
  }

  .sidebar__close:hover { background: rgba(255, 255, 255, 0.16); }

  .kpi-grid { grid-template-columns: 1fr; }
  .content { padding: var(--space-4); }
  .topbar { padding: 0 var(--space-3); gap: var(--space-2); }
  .topbar__search { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  .sidebar { transition: none; }
}

/* =========================================================================
   14. Botones (sistema genérico usado por todos los módulos CRUD)
   ========================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn--primary {
  background: var(--color-primary-700);
  color: #fff;
}
.btn--primary:hover { background: var(--color-primary-500); }

.btn--ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-neutral-900);
}
.btn--ghost:hover { background: var(--color-bg); }

.btn--danger {
  background: var(--color-danger-500);
  color: #fff;
}
.btn--danger:hover { background: var(--color-danger-700); }

.btn--sm { padding: var(--space-1) var(--space-3); font-size: var(--text-xs); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* =========================================================================
   15. Toolbar de búsqueda + filtros (módulos con listado/tabla)
   ========================================================================= */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.toolbar__search { flex: 1; min-width: 220px; max-width: 360px; }

.toolbar__search input {
  width: 100%;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-sm);
}

.toolbar__filters {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.toolbar__filters select {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-neutral-900);
}

/* =========================================================================
   16. Tabla: encabezados ordenables, tags de categoría, acciones de fila
   ========================================================================= */
.panel__body--flush { padding: 0; overflow-x: auto; }

.panel__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.th-sort {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-neutral-700);
}

.th-sort:hover { color: var(--color-ink-900); }
.th-sort--active { color: var(--color-primary-700); }
.th-sort__arrow { font-size: 0.85em; }

.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-ink-900);
}

.category-tag::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tag-color, var(--color-primary-500));
  flex-shrink: 0;
}

.row-actions {
  display: flex;
  gap: var(--space-2);
  justify-content: flex-end;
}

.icon-btn--sm {
  width: 30px;
  height: 30px;
  font-size: var(--text-sm);
}

.icon-btn--danger:hover {
  background: var(--color-danger-100);
  border-color: var(--color-danger-500);
  color: var(--color-danger-700);
}

/* =========================================================================
   17. Paginación
   ========================================================================= */
.pagination__info {
  font-size: var(--text-xs);
  color: var(--color-neutral-700);
}

.pagination__controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.pagination__pages {
  font-size: var(--text-xs);
  color: var(--color-neutral-700);
}

/* =========================================================================
   18. Modal genérico (crear/editar/confirmar)
   ========================================================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 33, 58, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  z-index: 200;
  animation: fade-in 0.15s ease;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 640px;
  max-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  animation: modal-pop 0.18s ease;
}

.modal--sm { max-width: 440px; }

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.modal__header h2 { font-size: var(--text-lg); }

.modal__body {
  padding: var(--space-5);
  overflow-y: auto;
  flex: 1;
}

.modal__body p { color: var(--color-neutral-900); margin-bottom: var(--space-2); }
.modal__body p.text-muted { color: var(--color-neutral-700); font-size: var(--text-sm); }
.panel__body p.text-muted { color: var(--color-neutral-700); font-size: var(--text-sm); margin-bottom: var(--space-3); }

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modal-pop {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .modal-overlay, .modal { animation: none; }
}

/* =========================================================================
   19. Formularios (grid de 2 columnas para modales de crear/editar)
   ========================================================================= */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-field--span-2 { grid-column: 1 / -1; }

.form-field label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-neutral-700);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-field input,
.form-field select {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-neutral-900);
}

.form-field input:focus-visible,
.form-field select:focus-visible {
  border-color: var(--color-primary-500);
}

.form-field__error {
  font-size: var(--text-xs);
  color: var(--color-danger-700);
  min-height: 1em;
}

.form-field__error--general {
  grid-column: 1 / -1;
  text-align: center;
}

.form-field--readonly .sku-display {
  font-size: var(--text-sm);
  color: var(--color-neutral-700);
  padding: var(--space-2) 0;
}

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-field--span-2 { grid-column: auto; }
}


/* Modulos completados */
.color-swatch { width: 22px; height: 22px; border-radius: var(--radius-sm); background: var(--swatch); border: 1px solid var(--color-border); display: inline-block; vertical-align: middle; }
.report-actions, .settings-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; align-items: center; }
.settings-actions { margin-top: var(--space-5); }
@media print { .sidebar, .topbar, .page-header .report-actions, .btn { display: none !important; } .content { max-width: none; padding: 0; } body { background: #fff; } .panel, .kpi-card { box-shadow: none; } }

/* NUEVO: Historial (auditoría) — filtros de fecha en línea y filas expandibles con detalle antes/después */
.toolbar__filters input[type="date"] {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-neutral-900);
}
.field--inline {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-neutral-700);
}
.hist-detalle td { background: var(--color-neutral-100); }
.hist-detalle__body { padding: var(--space-3) var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); }
.hist-detalle__body pre {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}