/* ==========================================================================
   KeyLoop — Sistema de diseño
   Tokens semánticos, sidebar claro, densidad de dashboard.
   Base 16px, contraste AA (4.5:1), targets táctiles >= 40px.
   ========================================================================== */

:root {
  /* --- Marca --- */
  --brand: #1d5fd6;
  --brand-hover: #1751b8;
  --brand-active: #123f92;
  --brand-soft: #eaf1fd;
  --brand-soft-hover: #dbe7fb;
  --brand-border: #c3d8f7;

  /* --- Superficies --- */
  --surface: #ffffff;
  --surface-sunken: #f6f8fb;
  --surface-hover: #f2f5f9;
  --sidebar-bg: #ffffff;
  --sidebar-section: #8a94a6;

  /* --- Texto (contraste AA sobre blanco) --- */
  --text-strong: #0f1729;
  --text: #334155;
  --text-muted: #64748b;
  --text-subtle: #8a94a6;
  --text-on-brand: #ffffff;

  /* --- Bordes --- */
  --border: #e4e8ef;
  --border-strong: #cfd6e2;

  /* --- Estados semánticos --- */
  --ok: #0f7a4d;
  --ok-bg: #e8f7f0;
  --ok-border: #b4e3cd;
  --warn: #8a5300;
  --warn-bg: #fff5e5;
  --warn-border: #f5d9a8;
  --danger: #b42318;
  --danger-bg: #fdeceb;
  --danger-border: #f7cdc9;
  --info: #1d5fd6;
  --info-bg: #eaf1fd;
  --info-border: #c3d8f7;
  --neutral: #475467;
  --neutral-bg: #f1f3f7;

  /* --- Escala de espaciado (densidad dashboard) --- */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;

  /* --- Radios --- */
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-full: 999px;

  /* --- Sombras --- */
  --shadow-xs: 0 1px 2px rgba(16, 24, 40, .05);
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .04);
  --shadow-md: 0 4px 12px rgba(16, 24, 40, .08);
  --shadow-lg: 0 12px 28px rgba(16, 24, 40, .12);

  /* --- Movimiento (150-300ms) --- */
  --t-fast: 150ms;
  --t-base: 200ms;
  --ease: cubic-bezier(.4, 0, .2, 1);

  --sidebar-w: 248px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--surface-sunken);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

code {
  background: var(--neutral-bg);
  padding: 2px 6px;
  border-radius: var(--r-sm);
  font-size: .85em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* Accesibilidad: foco siempre visible */
:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

/* ============ Iconos ============ */
.icono-svg { width: 18px; height: 18px; flex-shrink: 0; }
.icono-svg-lg { width: 26px; height: 26px; }
.icono-svg-xl { width: 38px; height: 38px; }

/* ============ Estructura ============ */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 40;
  transition: transform var(--t-base) var(--ease);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-5);
  border-bottom: 1px solid var(--border);
  min-height: 69px;
}
.sidebar-brand img.brand-logo-img { max-height: 34px; max-width: 186px; object-fit: contain; }
.sidebar-brand .brand-fallback {
  display: flex; align-items: center; gap: var(--sp-2);
  color: var(--text-strong); font-size: 17px; font-weight: 700; letter-spacing: -.01em;
}
.sidebar-brand .brand-fallback .brand-badge {
  width: 30px; height: 30px; border-radius: var(--r-md);
  background: var(--brand); color: #fff;
  display: flex; align-items: center; justify-content: center;
}

.sidebar-scroll { flex: 1; overflow-y: auto; padding: var(--sp-4) var(--sp-3); }

.nav-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--sidebar-section);
  padding: var(--sp-4) var(--sp-3) var(--sp-2);
}
.nav-section-title:first-child { padding-top: 0; }

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 10px var(--sp-3);
  min-height: 40px;
  border-radius: var(--r-md);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.sidebar-nav a .icono-svg { color: var(--text-subtle); transition: color var(--t-fast) var(--ease); }
.sidebar-nav a:hover { background: var(--surface-hover); color: var(--text-strong); }
.sidebar-nav a:hover .icono-svg { color: var(--text); }
.sidebar-nav a.active {
  background: var(--brand-soft);
  color: var(--brand-active);
  font-weight: 600;
}
.sidebar-nav a.active .icono-svg { color: var(--brand); }
.nav-badge {
  margin-left: auto;
  background: var(--danger-bg); color: var(--danger);
  font-size: 11px; font-weight: 700;
  padding: 2px 7px; border-radius: var(--r-full);
}

.sidebar-footer { padding: var(--sp-3); border-top: 1px solid var(--border); }
.sidebar-user {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3); border-radius: var(--r-md);
  margin-bottom: var(--sp-1);
}
.sidebar-user .user-meta { min-width: 0; }
.user-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--brand-soft); color: var(--brand-active);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; flex-shrink: 0;
}
.sidebar-user .user-meta strong {
  display: block; font-size: 13.5px; color: var(--text-strong); font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-user .user-meta span {
  display: block; font-size: 12px; color: var(--text-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.logout-link {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: 10px var(--sp-3); min-height: 40px;
  border-radius: var(--r-md); color: var(--text-muted); font-size: 14px; font-weight: 500;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.logout-link .icono-svg { color: var(--text-subtle); }
.logout-link:hover { background: var(--danger-bg); color: var(--danger); }
.logout-link:hover .icono-svg { color: var(--danger); }

.main-area { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: var(--sp-4) var(--sp-6);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  position: sticky;
  top: 0;
  z-index: 30;
}
.topbar-titles { min-width: 0; }
.page-title { font-size: 20px; font-weight: 700; margin: 0; color: var(--text-strong); letter-spacing: -.015em; }
.breadcrumb { font-size: 12.5px; color: var(--text-muted); margin-top: 2px; }
.breadcrumb a { color: var(--brand); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { margin: 0 6px; color: var(--text-subtle); }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: var(--sp-3); }

.menu-toggle {
  display: none;
  background: none; border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 8px;
  color: var(--text); cursor: pointer;
  min-width: 40px; min-height: 40px;
  align-items: center; justify-content: center;
}

.content { padding: var(--sp-6); }

.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(15, 23, 41, .45);
  z-index: 35;
}

/* ============ Alertas ============ */
.alert {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  margin-bottom: var(--sp-4);
  font-size: 14px;
  border: 1px solid transparent;
  display: flex; align-items: flex-start; gap: var(--sp-2);
}
.alert-exito, .alert-success { background: var(--ok-bg); color: var(--ok); border-color: var(--ok-border); }
.alert-error, .alert-danger { background: var(--danger-bg); color: var(--danger); border-color: var(--danger-border); }
.alert-info { background: var(--info-bg); color: var(--info); border-color: var(--info-border); }
.alert-warning { background: var(--warn-bg); color: var(--warn); border-color: var(--warn-border); }

/* ============ Tarjetas ============ */
.card {
  background: var(--surface);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  margin-bottom: var(--sp-5);
}
.card-body { padding: var(--sp-5); }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-3); flex-wrap: wrap;
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--border);
}
.card-header h2 { font-size: 16px; margin: 0; font-weight: 700; color: var(--text-strong); letter-spacing: -.01em; }
.card-header .sub { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.card-header-titles { min-width: 0; }

/* ============ KPIs ============ */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); margin-bottom: var(--sp-5); }
.kpi-card {
  background: var(--surface);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  padding: var(--sp-5);
  transition: box-shadow var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}
.kpi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.kpi-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--sp-3); }
.kpi-label { font-size: 13px; color: var(--text-muted); font-weight: 600; }
.kpi-icon-wrap {
  width: 36px; height: 36px; border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-soft); color: var(--brand);
}
.kpi-card.kpi-warning .kpi-icon-wrap { background: var(--warn-bg); color: var(--warn); }
.kpi-card.kpi-danger .kpi-icon-wrap { background: var(--danger-bg); color: var(--danger); }
.kpi-card.kpi-success .kpi-icon-wrap { background: var(--ok-bg); color: var(--ok); }
.kpi-value { font-size: 30px; font-weight: 800; color: var(--text-strong); letter-spacing: -.03em; line-height: 1.15; }
.kpi-sub { font-size: 12.5px; color: var(--text-subtle); margin-top: var(--sp-1); }

@media (max-width: 1180px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }

/* ============ Tablas ============ */
.table-wrap { overflow-x: auto; }
table.tabla { width: 100%; border-collapse: collapse; font-size: 14px; }
table.tabla th {
  text-align: left;
  background: var(--surface-sunken);
  padding: var(--sp-3) var(--sp-4);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table.tabla th a { color: inherit; display: inline-flex; align-items: center; gap: 4px; }
table.tabla th a:hover { color: var(--brand); }
table.tabla td {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}
table.tabla tbody tr { transition: background var(--t-fast) var(--ease); }
table.tabla tbody tr:hover td { background: var(--surface-hover); }
table.tabla tbody tr:last-child td { border-bottom: none; }

.celda-principal { font-weight: 600; color: var(--text-strong); }
.celda-secundaria { font-size: 12.5px; color: var(--text-muted); margin-top: 1px; }

/* Franja de estado a la izquierda de la fila */
tr.fila-vencida td:first-child { box-shadow: inset 3px 0 0 var(--danger); }
tr.fila-por-vencer td:first-child { box-shadow: inset 3px 0 0 var(--warn); }

/* ============ Barra de progreso de vigencia ============ */
.vigencia { min-width: 168px; }
.vigencia-track {
  height: 6px;
  background: var(--neutral-bg);
  border-radius: var(--r-full);
  overflow: hidden;
}
.vigencia-fill {
  height: 100%;
  border-radius: var(--r-full);
  background: var(--ok);
  transition: width var(--t-base) var(--ease);
}
.vigencia-fill.nivel-medio { background: #d99000; }
.vigencia-fill.nivel-alto { background: var(--warn); }
.vigencia-fill.nivel-critico { background: var(--danger); }
.vigencia-meta {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-2); margin-top: 5px;
  font-size: 12px; color: var(--text-muted);
}
.vigencia-meta .pct { font-variant-numeric: tabular-nums; color: var(--text-subtle); }

/* ============ Badges ============ */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px;
  border-radius: var(--r-full);
  font-size: 12px; font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.badge-success { background: var(--ok-bg); color: var(--ok); border-color: var(--ok-border); }
.badge-warning { background: var(--warn-bg); color: var(--warn); border-color: var(--warn-border); }
.badge-danger { background: var(--danger-bg); color: var(--danger); border-color: var(--danger-border); }
.badge-info { background: var(--info-bg); color: var(--info); border-color: var(--info-border); }
.badge-muted { background: var(--neutral-bg); color: var(--neutral); border-color: var(--border-strong); }

/* Píldora de modalidad, sin punto */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: var(--r-sm);
  font-size: 12px; font-weight: 600;
  background: var(--neutral-bg); color: var(--neutral);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.pill-anual { background: var(--brand-soft); color: var(--brand-active); border-color: var(--brand-border); }
.pill .icono-svg { width: 13px; height: 13px; }

/* ============ Botones ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 16px;
  min-height: 40px;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand); color: var(--text-on-brand); }
.btn-primary:hover { background: var(--brand-hover); }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--surface-hover); border-color: var(--text-subtle); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #93261d; }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--surface-hover); color: var(--text-strong); }
.btn-sm { padding: 6px 12px; min-height: 34px; font-size: 13px; }
.btn .icono-svg { width: 16px; height: 16px; }

.acciones { display: flex; gap: 6px; align-items: center; }

/* ============ Formularios ============ */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4) var(--sp-5); }
.form-grid.una-col { grid-template-columns: 1fr; }
.col-span-2 { grid-column: 1 / -1; }

.campo { display: flex; flex-direction: column; gap: 6px; }
.campo label { font-size: 13.5px; font-weight: 600; color: var(--text-strong); }
.campo .ayuda { font-size: 12.5px; color: var(--text-muted); }
.campo .error-campo { font-size: 12.5px; color: var(--danger); font-weight: 500; }
.req { color: var(--danger); }

input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=tel], input[type=file], select, textarea {
  padding: 10px 12px;
  min-height: 40px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  font-size: 14px;
  font-family: inherit;
  color: var(--text-strong);
  background: var(--surface);
  width: 100%;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
input::placeholder, textarea::placeholder { color: var(--text-subtle); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(29, 95, 214, .14);
}
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--danger); }
textarea { resize: vertical; min-height: 88px; }

.check-inline { display: flex; align-items: center; gap: var(--sp-2); font-size: 14px; color: var(--text); cursor: pointer; min-height: 40px; }
.check-inline input[type=checkbox] { width: 18px; height: 18px; min-height: 18px; accent-color: var(--brand); cursor: pointer; }

.form-actions {
  display: flex; gap: var(--sp-3);
  margin-top: var(--sp-5); padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
}

/* Selector de modalidad tipo tarjeta */
.radio-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-3); }
.radio-card {
  position: relative;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
  display: flex; gap: var(--sp-3); align-items: flex-start;
}
.radio-card:hover { border-color: var(--brand); background: var(--surface-hover); }
.radio-card input[type=radio] { margin-top: 3px; accent-color: var(--brand); width: 17px; height: 17px; cursor: pointer; }
.radio-card strong { display: block; font-size: 14px; color: var(--text-strong); font-weight: 600; }
.radio-card span { display: block; font-size: 12.5px; color: var(--text-muted); margin-top: 2px; }
.radio-card:has(input:checked) { border-color: var(--brand); background: var(--brand-soft); box-shadow: 0 0 0 1px var(--brand); }

@media (max-width: 820px) {
  .form-grid { grid-template-columns: 1fr; }
  .radio-cards { grid-template-columns: 1fr; }
}

/* ============ Filtros / toolbar ============ */
.toolbar {
  display: flex; gap: var(--sp-3); flex-wrap: wrap; align-items: flex-end;
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--border);
  background: var(--surface-sunken);
}
.toolbar .campo { min-width: 180px; flex: 1 1 180px; }
.toolbar .campo-buscar { flex: 2 1 260px; }
.toolbar-actions { display: flex; gap: var(--sp-2); margin-left: auto; }

.input-icono { position: relative; display: flex; align-items: center; }
.input-icono .icono-svg { position: absolute; left: 11px; color: var(--text-subtle); pointer-events: none; }
.input-icono input { padding-left: 36px; }

/* ============ Tabs ============ */
.tabs {
  display: flex; gap: var(--sp-1); flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--sp-5);
}
.tab-link {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 11px var(--sp-4);
  min-height: 44px;
  font-size: 14px; font-weight: 600;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.tab-link .icono-svg { width: 16px; height: 16px; }
.tab-link:hover { color: var(--text-strong); }
.tab-link.active { color: var(--brand); border-bottom-color: var(--brand); }

/* ============ Login 50/50 ============ */
.login-shell { min-height: 100vh; display: flex; }
.login-visual {
  flex: 1;
  background: linear-gradient(158deg, #0d2149 0%, #143b8f 48%, var(--brand) 100%);
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 48px;
  overflow: hidden;
}
.login-visual > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.login-visual::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 18% 22%, rgba(255,255,255,.10), transparent 42%),
    radial-gradient(circle at 82% 78%, rgba(255,255,255,.07), transparent 46%);
}
.login-visual-caption { position: relative; z-index: 2; color: #fff; max-width: 400px; }
.login-visual-caption .icono-svg-xl { color: #a9c6fb; margin-bottom: var(--sp-4); }
.login-visual-caption h2 { font-size: 26px; font-weight: 700; margin: 0 0 var(--sp-3); letter-spacing: -.02em; line-height: 1.25; }
.login-visual-caption p { font-size: 15px; color: #d3e0f7; line-height: 1.6; margin: 0; }

.login-form-side {
  width: 480px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface); padding: 40px;
}
.login-form-inner { width: 100%; max-width: 340px; }
.login-brand-mark { display: flex; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-8); }
.login-brand-mark img { max-height: 38px; max-width: 210px; object-fit: contain; }
.login-brand-mark .brand-badge {
  width: 34px; height: 34px; border-radius: var(--r-md);
  background: var(--brand); color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.login-brand-mark span { font-size: 18px; font-weight: 700; color: var(--text-strong); letter-spacing: -.01em; }
.login-form-inner h1 { font-size: 24px; font-weight: 700; margin: 0 0 6px; color: var(--text-strong); letter-spacing: -.02em; }
.login-form-inner .login-sub { color: var(--text-muted); font-size: 14px; margin: 0 0 var(--sp-6); }
.login-form-inner .campo { margin-bottom: var(--sp-4); }
.login-form-inner .btn { width: 100%; min-height: 44px; margin-top: var(--sp-2); }

@media (max-width: 900px) {
  .login-visual { display: none; }
  .login-form-side { width: 100%; }
}

/* ============ Subida de imágenes ============ */
.upload-row { display: flex; align-items: center; gap: var(--sp-4); flex-wrap: wrap; }
.upload-preview {
  width: 96px; height: 96px; border-radius: var(--r-md);
  border: 1px dashed var(--border-strong); background: var(--surface-sunken);
  display: flex; align-items: center; justify-content: center; overflow: hidden; flex-shrink: 0;
}
.upload-preview img { width: 100%; height: 100%; object-fit: contain; }
.upload-preview .icono-svg { color: var(--text-subtle); }
.upload-preview-wide { width: 168px; height: 96px; }
.upload-row .campo { flex: 1 1 220px; }

/* ============ Vista previa de correo ============ */
.email-preview {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--surface-sunken);
}
.email-preview-head {
  padding: var(--sp-3) var(--sp-4);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}
.email-preview-head strong { color: var(--text-strong); }
.email-preview iframe { width: 100%; height: 460px; border: 0; display: block; background: #fff; }

/* ============ Estados vacíos ============ */
.vacio { text-align: center; padding: 56px var(--sp-5); }
.vacio .icono-svg-xl { color: var(--border-strong); margin-bottom: var(--sp-3); }
.vacio h3 { font-size: 15px; color: var(--text-strong); margin: 0 0 6px; font-weight: 600; }
.vacio p { font-size: 14px; color: var(--text-muted); margin: 0 0 var(--sp-4); }

/* ============ Utilidades ============ */
.texto-muted { color: var(--text-muted); }
.texto-centro { text-align: center; }
.chip-count {
  background: var(--neutral-bg); color: var(--neutral);
  padding: 2px 9px; border-radius: var(--r-full);
  font-size: 12px; font-weight: 700;
}
.nums { font-variant-numeric: tabular-nums; }
.dato-linea { display: flex; flex-direction: column; gap: 3px; }
.dato-linea dt { font-size: 12.5px; color: var(--text-muted); font-weight: 600; }
.dato-linea dd { margin: 0; font-size: 14px; color: var(--text-strong); }
.grid-datos { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: var(--sp-4); }

/* ============ Gráfico de barras ============ */
.barra-grupo { display: flex; align-items: flex-end; gap: var(--sp-5); height: 172px; padding: var(--sp-4) 0 0; }
.barra-item { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: var(--sp-2); height: 100%; }
.barra-visual { width: 100%; max-width: 56px; border-radius: var(--r-sm) var(--r-sm) 0 0; background: var(--brand); transition: height var(--t-base) var(--ease); }
.barra-label { font-size: 12.5px; color: var(--text-muted); text-align: center; }
.barra-valor { font-size: 15px; font-weight: 700; color: var(--text-strong); }

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); box-shadow: var(--shadow-lg); }
  .sidebar.abierto { transform: translateX(0); }
  .sidebar-overlay.visible { display: block; }
  .main-area { margin-left: 0; }
  .menu-toggle { display: inline-flex; }
  .content { padding: var(--sp-4); }
  .topbar { padding: var(--sp-3) var(--sp-4); }
}

@media (max-width: 640px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .toolbar-actions { margin-left: 0; width: 100%; }
  .toolbar .campo { min-width: 100%; }
  .page-title { font-size: 18px; }
}