:root {
  /* Ultra-clean Corporate Minimalist Theme (Predominantly White) */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.95);
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  
  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  --border-focus: #2563eb;
  
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-glow: rgba(37, 99, 235, 0.15);
  --primary-soft: #eff6ff;
  
  --success: #059669;
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;
  --success-text: #065f46;
  
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --danger-text: #991b1b;
  
  --warning: #d97706;
  --warning-bg: #fffbeb;
  --warning-border: #fde68a;
  --warning-text: #92400e;
  
  --info: #0284c7;
  --info-bg: #f0f9ff;
  --info-border: #bae6fd;
  --info-text: #0369a1;
  
  --neutral: #64748b;
  --neutral-bg: #f1f5f9;
  --neutral-border: #e2e8f0;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.07), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar Minimalista */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Utility classes */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

/* 1. Login Screen Minimalista y Corporativo */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.25rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  animation: fadeIn 0.3s ease-out;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-brand-logo {
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.login-brand-logo img {
  max-height: 54px;
  max-width: 200px;
  object-fit: contain;
}

.login-header h1 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.login-header p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.375rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input, .form-select {
  width: 100%;
  padding: 0.65rem 0.875rem;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.875rem;
  transition: var(--transition);
  outline: none;
}

.form-input:focus, .form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.btn-primary {
  width: 100%;
  padding: 0.75rem 1.25rem;
  background: var(--primary);
  border: 1px solid var(--primary-hover);
  border-radius: var(--radius-md);
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition);
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 8px rgba(37, 99, 235, 0.25);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.alert-message {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.alert-danger {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger-text);
}

.alert-success {
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-text);
}

.alert-warning {
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  color: var(--warning-text);
}

/* 2. Header Superior Corporativo */
.app-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.75rem;
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-xs);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand-logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-logo {
  height: 38px;
  max-width: 160px;
  object-fit: contain;
  display: block;
}

.brand-titles {
  border-left: 1px solid #e2e8f0;
  padding-left: 1rem;
}

.brand-titles h1 {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-main);
  line-height: 1.2;
}

.brand-titles .subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.btn-icon {
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.45rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-icon:hover {
  color: var(--text-main);
  background: var(--bg-card-hover);
  border-color: #cbd5e1;
}

.btn-secondary {
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.45rem 0.875rem;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: #cbd5e1;
}

.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.75rem;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
}

.user-avatar {
  width: 24px;
  height: 24px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: bold;
  color: #ffffff;
}

.user-role-pill {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-full);
}
.role-admin {
  background: var(--danger-bg);
  color: var(--danger-text);
  border: 1px solid var(--danger-border);
}
.role-standard {
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid #bfdbfe;
}

/* 3. Barra de Filtros Globales */
.filter-bar {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 0.875rem 1.75rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  box-shadow: var(--shadow-xs);
}

.filter-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 150px;
  flex: 1;
}

.filter-item label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.filter-item select, .filter-item input {
  padding: 0.45rem 0.65rem;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.8125rem;
  outline: none;
  transition: var(--transition);
}

.filter-item select:focus, .filter-item input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.filter-actions {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  align-self: flex-end;
}

.export-actions {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  align-self: flex-end;
  border-left: 1px solid var(--border-color);
  padding-left: 0.75rem;
  margin-left: 0.25rem;
}

.btn-export {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
}

.btn-export-excel {
  color: #047857;
  border-color: #a7f3d0;
  background: #ffffff;
}
.btn-export-excel:hover {
  background: #ecfdf5;
  border-color: #059669;
  color: #065f46;
  box-shadow: 0 1px 3px rgba(5, 150, 105, 0.15);
}

.btn-export-pdf {
  color: #b91c1c;
  border-color: #fecaca;
  background: #ffffff;
}
.btn-export-pdf:hover {
  background: #fef2f2;
  border-color: #dc2626;
  color: #991b1b;
  box-shadow: 0 1px 3px rgba(220, 38, 38, 0.15);
}

/* 4. Pestañas de Navegación */
.app-tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.35rem 1.75rem 0;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
}

.tab-btn {
  padding: 0.65rem 1.15rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 700;
}

/* 5. Contenedor Principal */
.main-content {
  padding: 1.5rem 1.75rem;
  max-width: 1600px;
  margin: 0 auto;
}

/* 6. KPI Cards Minimalistas */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}
.kpi-card.kpi-blue::before { background: var(--primary); }
.kpi-card.kpi-green::before { background: var(--success); }
.kpi-card.kpi-red::before { background: var(--danger); }
.kpi-card.kpi-amber::before { background: var(--warning); }

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
}

.kpi-title {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.kpi-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}
.kpi-blue .kpi-icon { background: var(--primary-soft); color: var(--primary); }
.kpi-green .kpi-icon { background: var(--success-bg); color: var(--success); }
.kpi-red .kpi-icon { background: var(--danger-bg); color: var(--danger); }
.kpi-amber .kpi-icon { background: var(--warning-bg); color: var(--warning); }

.kpi-value {
  font-size: 1.875rem;
  font-weight: 800;
  line-height: 1;
  color: var(--text-main);
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
}

.kpi-footer {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.badge-green, .badge-liberado, .badge-conforme {
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-text);
}

.badge-red, .badge-retenido, .badge-alerta {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger-text);
}

.badge-yellow, .badge-observado {
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  color: var(--warning-text);
}

.badge-grey, .badge-no_aplica, .badge-sin_registro {
  background: var(--neutral-bg);
  border: 1px solid var(--neutral-border);
  color: var(--neutral);
}

/* 7. Section Cards */
.content-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  margin-bottom: 1.5rem;
}

.card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.card-title-row h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.01em;
}

/* 8. Lot Banner */
.lot-banner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr auto;
  gap: 1.25rem;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  align-items: center;
  box-shadow: var(--shadow-card);
}

@media (max-width: 900px) {
  .lot-banner {
    grid-template-columns: 1fr;
  }
}

.lot-banner-main h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  letter-spacing: -0.01em;
}

.lot-banner-main p {
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

.lot-stat-item {
  display: flex;
  flex-direction: column;
}
.lot-stat-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 700;
}
.lot-stat-value {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-main);
}

/* 9. Quality Alert Box */
.quality-alert-box {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.quality-alert-box .alert-icon {
  color: var(--danger);
  font-size: 1.35rem;
  flex-shrink: 0;
}

.quality-alert-box h4 {
  color: var(--danger-text);
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.quality-alert-box ul {
  list-style: none;
  color: var(--danger-text);
  font-size: 0.8125rem;
}

.quality-alert-box li {
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

/* 10. Stepper Horizontal Minimalista */
.stepper-container {
  overflow-x: auto;
  padding: 1.25rem 0.5rem 1.75rem;
}

.stepper-track {
  display: flex;
  align-items: stretch;
  gap: 0;
  min-width: 900px;
  position: relative;
}

.step-node {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 0.5rem;
}

.step-connector {
  position: absolute;
  top: 22px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--border-color);
  z-index: 1;
}

.step-node:last-child .step-connector {
  display: none;
}

.step-node.completed .step-connector {
  background: var(--success);
}
.step-node.retained .step-connector {
  background: var(--danger);
}

.step-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  z-index: 2;
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
}

.step-node:hover .step-circle {
  transform: scale(1.08);
  box-shadow: var(--shadow-md);
}

.step-node.green .step-circle {
  background: var(--success-bg);
  border-color: var(--success);
  color: var(--success-text);
}

.step-node.red .step-circle {
  background: var(--danger-bg);
  border-color: var(--danger);
  color: var(--danger-text);
}

.step-node.yellow .step-circle {
  background: var(--warning-bg);
  border-color: var(--warning);
  color: var(--warning-text);
}

.step-node.grey .step-circle {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: var(--text-dim);
}

.step-card {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 0.75rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  box-shadow: var(--shadow-xs);
}

.step-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.35rem;
}

.step-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.step-sheet-tag {
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--text-dim);
  font-family: monospace;
}

.step-summary-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.step-metrics-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.metric-pill {
  font-size: 0.6875rem;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  color: var(--text-muted);
}
.metric-pill strong {
  color: var(--text-main);
}

/* 11. Homologación Cards */
.homologation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.homo-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  box-shadow: var(--shadow-xs);
}

.homo-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.homo-code-badge {
  font-family: monospace;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid #bfdbfe;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.derivations-list {
  margin-top: 0.65rem;
  border-top: 1px solid var(--border-color);
  padding-top: 0.65rem;
}

.derivation-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  padding: 0.25rem 0;
  color: var(--text-muted);
}

/* 12. Data Tables */
.table-wrapper {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow-x: auto;
  box-shadow: var(--shadow-xs);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  text-align: left;
}

.data-table th {
  background: #f8fafc;
  color: var(--text-dim);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #f1f5f9;
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background: #f8fafc;
}

/* 13. Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.chart-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
}

.chart-card h3 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

/* 14. Modales */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: fadeIn 0.2s ease-out;
}

.modal-content {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background: #f8fafc;
}

/* Animaciones y utilitarios */
@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}