/**
 * Fijate Tools - Optimizador de corte lineal 1D (perfiles, tubos, barras y listones)
 * Estilos canónicos, variables corporativas, tema claro/oscuro y diseño responsive.
 */

:root {
  --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-sans: var(--font-main);
  --font-title: var(--font-heading);

  /* Tema claro por defecto */
  --cut-bg: #f8fafc;
  --cut-card-bg: #ffffff;
  --cut-card-border: #e2e8f0;
  --cut-text: #0f172a;
  --cut-text-muted: #64748b;
  --cut-text-dim: #94a3b8;
  
  --cut-primary: #2563eb;
  --cut-primary-hover: #1d4ed8;
  --cut-primary-light: #eff6ff;
  --cut-primary-border: #bfdbfe;

  --cut-success: #10b981;
  --cut-success-light: #ecfdf5;
  --cut-success-border: #a7f3d0;

  --cut-warning: #f59e0b;
  --cut-warning-light: #fffbeb;

  --cut-danger: #ef4444;
  --cut-danger-light: #fef2f2;
  --cut-danger-border: #fecaca;

  --cut-input-bg: #ffffff;
  --cut-input-border: #cbd5e1;
  --cut-input-focus: #2563eb;

  --cut-track-bg: #e2e8f0;
  --cut-track-border: #cbd5e1;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Modo oscuro canónico (aplica al documento raíz) */
[data-theme="dark"] {
  --cut-bg: #0b0f17;
  --cut-card-bg: #151d2c;
  --cut-card-border: #233044;
  --cut-text: #f1f5f9;
  --cut-text-muted: #94a3b8;
  --cut-text-dim: #64748b;

  --cut-primary: #3b82f6;
  --cut-primary-hover: #60a5fa;
  --cut-primary-light: rgba(59, 130, 246, 0.15);
  --cut-primary-border: #1e3a8a;

  --cut-success: #10b981;
  --cut-success-light: rgba(16, 185, 129, 0.15);
  --cut-success-border: #064e3b;

  --cut-warning: #f59e0b;
  --cut-warning-light: rgba(245, 158, 11, 0.15);

  --cut-danger: #f87171;
  --cut-danger-light: rgba(239, 68, 68, 0.15);
  --cut-danger-border: #7f1d1d;

  --cut-input-bg: #0f172a;
  --cut-input-border: #334155;
  --cut-input-focus: #3b82f6;

  --cut-track-bg: #1e293b;
  --cut-track-border: #334155;
}

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-main);
  background-color: var(--cut-bg);
  color: var(--cut-text);
  line-height: 1.5;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--cut-text);
  margin-top: 0;
  font-weight: 700;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 0.9375rem;
}

.text-mono {
  font-family: var(--font-mono);
}

.font-bold {
  font-weight: 700;
}

.text-primary {
  color: var(--cut-primary);
}

.text-success {
  color: var(--cut-success);
}

.text-danger {
  color: var(--cut-danger);
}

.text-muted {
  color: var(--cut-text-muted);
}

/* Layout principal */
.tool-layout {
  max-width: 1200px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  box-sizing: border-box;
  flex: 1 0 auto;
  width: 100%;
}

.tool-with-sidebar {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  width: 100%;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  width: 100%;
}

/* Migas de pan */
.tool-breadcrumbs {
  margin-bottom: 1.25rem;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.875rem;
  color: var(--cut-text-muted);
}

.breadcrumb-item a {
  color: var(--cut-text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.breadcrumb-item a:hover {
  color: var(--cut-primary);
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  margin-right: 0.5rem;
  color: var(--cut-text-dim);
}

.breadcrumb-item.active {
  color: var(--cut-text);
  font-weight: 600;
}

/* Hero y cabecera de herramienta */
.tool-hero-card {
  background: var(--cut-card-bg);
  border: 1px solid var(--cut-card-border);
  border-radius: 1rem;
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.hero-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.hero-title-area h2 {
  font-size: 1.625rem;
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.hero-description {
  font-size: 0.9375rem;
  color: var(--cut-text-muted);
  margin: 0;
  max-width: 780px;
  line-height: 1.6;
}

.hero-preset-selector {
  min-width: 260px;
  flex-shrink: 0;
}

.preset-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cut-text-muted);
  margin-bottom: 0.375rem;
  text-transform: none;
}

/* Formularios y controles */
.form-select, .form-input {
  width: 100%;
  height: 42px;
  min-height: 42px;
  padding: 0 0.875rem;
  background-color: var(--cut-input-bg);
  border: 1px solid var(--cut-input-border);
  border-radius: 0.5rem;
  color: var(--cut-text);
  font-size: 0.9375rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  box-sizing: border-box;
}

.form-select:focus, .form-input:focus {
  outline: none;
  border-color: var(--cut-input-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.form-select option {
  background-color: var(--cut-card-bg);
  color: var(--cut-text);
}

.input-with-unit {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-unit .form-input {
  padding-right: 2.75rem;
}

.unit-badge {
  position: absolute;
  right: 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cut-text-muted);
  pointer-events: none;
  font-family: var(--font-mono);
}

/* Rejilla de configuración superior */
.config-grid-card {
  background: var(--cut-card-bg);
  border: 1px solid var(--cut-card-border);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.config-grid-title {
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.config-fields-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.field-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cut-text);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.field-help {
  font-size: 0.75rem;
  color: var(--cut-text-muted);
  margin-top: 0.25rem;
}

/* Botones rápidos de tamaño */
.quick-lengths-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.5rem;
}

.btn-quick-length {
  background: var(--cut-primary-light);
  color: var(--cut-primary);
  border: 1px solid var(--cut-primary-border);
  border-radius: 2rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 28px;
}

.btn-quick-length:hover {
  background: var(--cut-primary);
  color: #ffffff;
}

/* Retales previos en almacén */
.secondary-bars-box {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--cut-card-border);
}

.toggle-secondary-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cut-text);
  cursor: pointer;
  user-select: none;
}

.secondary-bars-wrapper {
  margin-top: 1rem;
}

.secondary-bar-row {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr 44px;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.625rem;
}

/* Editor de piezas demandadas */
.pieces-editor-card {
  background: var(--cut-card-bg);
  border: 1px solid var(--cut-card-border);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.pieces-editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.pieces-editor-header h3 {
  font-size: 1.125rem;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pieces-table-container {
  overflow-x: auto;
  border-radius: 0.5rem;
  border: 1px solid var(--cut-card-border);
  margin-bottom: 1rem;
}

.pieces-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.pieces-table th {
  background-color: var(--cut-bg);
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cut-text-muted);
  border-bottom: 1px solid var(--cut-card-border);
}

.pieces-table td {
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--cut-card-border);
  vertical-align: middle;
}

.pieces-table tr:last-child td {
  border-bottom: none;
}

.cell-actions {
  display: flex;
  gap: 0.375rem;
  align-items: center;
  justify-content: flex-end;
}

.btn-action-icon {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--cut-card-border);
  border-radius: 0.375rem;
  color: var(--cut-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-action-icon:hover {
  background: var(--cut-bg);
  color: var(--cut-text);
  border-color: var(--cut-input-focus);
}

.btn-action-icon.text-danger:hover {
  background: var(--cut-danger-light);
  color: var(--cut-danger);
  border-color: var(--cut-danger);
}

.pieces-footer-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.btn-secondary {
  height: 42px;
  padding: 0 1.25rem;
  background: transparent;
  border: 1px solid var(--cut-card-border);
  border-radius: 0.5rem;
  color: var(--cut-text);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.15s ease;
}

.btn-secondary:hover {
  background: var(--cut-bg);
  border-color: var(--cut-text-muted);
}

.btn-primary-action {
  height: 46px;
  padding: 0 1.75rem;
  background: var(--cut-primary);
  border: none;
  border-radius: 0.5rem;
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  transition: all 0.15s ease;
}

.btn-primary-action:hover {
  background: var(--cut-primary-hover);
  transform: translateY(-1px);
}

/* Panel de KPIs */
.kpi-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background: var(--cut-card-bg);
  border: 1px solid var(--cut-card-border);
  border-radius: 0.875rem;
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.kpi-card-highlight {
  border-color: var(--cut-primary);
  background: linear-gradient(180deg, var(--cut-primary-light) 0%, var(--cut-card-bg) 100%);
}

.kpi-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cut-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.kpi-value {
  font-size: 1.875rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--cut-text);
  line-height: 1.1;
  margin-bottom: 0.375rem;
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--cut-text-muted);
}

/* Acciones de exportación */
.export-toolbar {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

/* Tarjetas de diagramas visuales por barra */
.bar-diagrams-section {
  margin-bottom: 2rem;
}

.section-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.section-heading-row h3 {
  font-size: 1.25rem;
  margin: 0;
}

.bar-card {
  background: var(--cut-card-bg);
  border: 1px solid var(--cut-card-border);
  border-radius: 1rem;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.bar-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.bar-title {
  font-size: 1.0625rem;
  margin: 0 0 0.25rem 0;
}

.bar-nominal {
  font-size: 0.875rem;
  font-weight: normal;
  color: var(--cut-text-muted);
}

.bar-subinfo {
  font-size: 0.8125rem;
  color: var(--cut-text-muted);
}

.bar-header-badges {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.badge-efficiency {
  background: var(--cut-primary-light);
  color: var(--cut-primary);
  border: 1px solid var(--cut-primary-border);
  padding: 0.25rem 0.625rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.badge-scrap {
  padding: 0.25rem 0.625rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-scrap-usable {
  background: var(--cut-success-light);
  color: var(--cut-success);
  border: 1px solid var(--cut-success-border);
}

.badge-scrap-waste {
  background: var(--cut-track-bg);
  color: var(--cut-text-muted);
  border: 1px solid var(--cut-track-border);
}

/* Pista visual a escala */
.bar-visual-track {
  height: 52px;
  background-color: var(--cut-track-bg);
  border: 1px solid var(--cut-track-border);
  border-radius: 0.5rem;
  overflow: hidden;
  display: flex;
  width: 100%;
  margin-bottom: 1rem;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.bar-segment {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0 0.25rem;
  border-right: 1px solid rgba(255, 255, 255, 0.25);
  box-sizing: border-box;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.15s ease;
  user-select: none;
}

.bar-segment:hover {
  filter: brightness(1.1);
  z-index: 2;
}

.seg-label {
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  line-height: 1.2;
}

.seg-measure {
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  font-weight: 600;
  opacity: 0.9;
  white-space: nowrap;
}

.segment-kerf {
  min-width: 4px;
  background: repeating-linear-gradient(
    45deg,
    #475569,
    #475569 2px,
    #334155 2px,
    #334155 4px
  ) !important;
  border: none !important;
}

.segment-trim-start, .segment-trim-end {
  background: rgba(239, 68, 68, 0.3) !important;
  border-right: 1px dashed #ef4444 !important;
}

.segment-scrap-usable {
  background: repeating-linear-gradient(
    -45deg,
    rgba(16, 185, 129, 0.2),
    rgba(16, 185, 129, 0.2) 6px,
    rgba(16, 185, 129, 0.35) 6px,
    rgba(16, 185, 129, 0.35) 12px
  ) !important;
  border: 1px dashed #10b981 !important;
}

.segment-scrap-waste {
  background: repeating-linear-gradient(
    45deg,
    rgba(148, 163, 184, 0.15),
    rgba(148, 163, 184, 0.15) 5px,
    rgba(148, 163, 184, 0.3) 5px,
    rgba(148, 163, 184, 0.3) 10px
  ) !important;
}

/* Tooltip nativo */
.bar-segment[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background-color: #0f172a;
  color: #f8fafc;
  padding: 0.375rem 0.625rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  box-shadow: var(--shadow-md);
  z-index: 10;
}

.bar-segment:hover::after {
  opacity: 1;
}

/* Resumen de piezas en la tarjeta */
.bar-items-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.item-summary-pill {
  background: var(--cut-bg);
  border: 1px solid var(--cut-card-border);
  padding: 0.25rem 0.625rem;
  border-radius: 0.375rem;
  font-size: 0.8125rem;
  color: var(--cut-text);
}

.item-summary-pill em {
  color: var(--cut-text-muted);
  font-style: normal;
  font-family: var(--font-mono);
}

/* Guía secuencial de corte para taller */
.cutting-guide-section {
  background: var(--cut-card-bg);
  border: 1px solid var(--cut-card-border);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.cutting-guide-box {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--cut-card-border);
  padding-bottom: 1.25rem;
}

.cutting-guide-box:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.guide-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.guide-bar-title {
  font-size: 1rem;
  margin: 0;
}

.guide-scrap {
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.table-responsive {
  overflow-x: auto;
}

.guide-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.guide-table th {
  padding: 0.5rem 0.75rem;
  color: var(--cut-text-muted);
  border-bottom: 1px solid var(--cut-card-border);
  font-weight: 600;
  font-size: 0.8125rem;
}

.guide-table td {
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--cut-card-border);
  vertical-align: middle;
}

.cut-checkbox {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--cut-primary);
}

/* Modal accesible */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(11, 15, 23, 0.75);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal-backdrop.active {
  display: flex;
}

.modal-box {
  background: var(--cut-card-bg);
  border: 1px solid var(--cut-card-border);
  border-radius: 1rem;
  max-width: 480px;
  width: 100%;
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  animation: modalFadeIn 0.15s ease-out;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.modal-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.modal-message {
  font-size: 0.9375rem;
  color: var(--cut-text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Modos de impresión para taller */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .app-header,
  .fijate-footer,
  .tool-breadcrumbs,
  .tools-ad-banner-section,
  .tool-ad-sidebar,
  .amazon-affiliate-showcase,
  .export-toolbar,
  .pieces-footer-actions,
  .hero-preset-selector,
  .btn-action-icon,
  .seo-guide-section {
    display: none !important;
  }

  .tool-layout {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .bar-card, .cutting-guide-section {
    break-inside: avoid;
    border: 1px solid #000000 !important;
    box-shadow: none !important;
    margin-bottom: 1.5rem !important;
  }

  .bar-visual-track {
    border: 1px solid #000000 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
}

/* Responsive móvil */
@media (max-width: 768px) {
  .hero-header-row {
    flex-direction: column;
  }

  .hero-preset-selector {
    width: 100%;
  }

  .config-fields-grid {
    grid-template-columns: 1fr;
  }

  .secondary-bar-row {
    grid-template-columns: 1fr 1fr;
  }

  .secondary-bar-row .sec-bar-col:first-child {
    grid-column: 1 / -1;
  }

  .kpi-dashboard-grid {
    grid-template-columns: 1fr 1fr;
  }

  .btn-primary-action, .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .pieces-footer-actions {
    flex-direction: column;
  }
}