/**
 * Calculadora de escandallo de importación y landed cost • Estilos prémium
 * Fijate Tools
 */

:root {
  --b2b-navy: #0f172a;
  --b2b-card: #1e293b;
  --b2b-card-light: #283548;
  --b2b-accent: #38bdf8;
  --b2b-gold: #f59e0b;
  --b2b-emerald: #10b981;
  --b2b-ruby: #9e1b32;
  --b2b-border: rgba(56, 189, 248, 0.2);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --card-border: rgba(255, 255, 255, 0.08);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --transition-fast: 0.2s ease;
}

[data-theme="light"] {
  --b2b-navy: #f8fafc;
  --b2b-card: #ffffff;
  --b2b-card-light: #f1f5f9;
  --b2b-accent: #0284c7;
  --b2b-gold: #d97706;
  --b2b-border: rgba(2, 132, 199, 0.18);
  --text-main: #0f172a;
  --text-muted: #475569;
  --card-border: rgba(0, 0, 0, 0.08);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-main);
  background-color: var(--b2b-navy);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
}

h1, h2, h3, h4, .font-heading {
  font-family: 'Outfit', sans-serif;
  letter-spacing: -0.01em;
}

.mono {
  font-family: 'JetBrains Mono', monospace;
}

.tool-layout {
  max-width: 1240px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  width: 100%;
  box-sizing: border-box;
}

/* Dashboard financiero de 2 columnas */
.escandallo-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.config-panel {
  background: var(--b2b-card);
  border: 1px solid var(--b2b-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.summary-panel {
  background: var(--b2b-card);
  border: 1px solid var(--b2b-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.summary-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--b2b-accent), var(--b2b-gold), var(--b2b-emerald));
}

/* Formularios financieros */
.form-section-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--b2b-accent);
  margin: 1.2rem 0 0.8rem 0;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-section-title:first-child {
  margin-top: 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.form-group {
  margin-bottom: 0.8rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 5px;
  color: var(--text-main);
}

.form-select,
.form-input {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 42px;
  padding: 0 12px;
  box-sizing: border-box;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  background-color: var(--b2b-card-light);
  color: var(--text-main);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
  padding-right: 40px;
  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='%2338bdf8' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px 16px;
  color-scheme: dark;
}

.form-select option,
.form-select optgroup {
  background-color: #1e293b;
  color: #f8fafc;
  padding: 8px 12px;
}

[data-theme="light"] .form-select {
  background-color: #ffffff;
  color: #0f172a;
  border-color: rgba(0, 0, 0, 0.18);
  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='%230284c7' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  color-scheme: light;
}

[data-theme="light"] .form-select option,
[data-theme="light"] .form-select optgroup {
  background-color: #ffffff;
  color: #0f172a;
}

[data-theme="light"] .form-input {
  background-color: #ffffff;
  color: #0f172a;
  border-color: rgba(0, 0, 0, 0.18);
}

.form-select:focus,
.form-input:focus {
  border-color: var(--b2b-accent);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

[data-theme="light"] .form-select:focus,
[data-theme="light"] .form-input:focus {
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.2);
}

/* Tarjetas clave del sumario ejecutivo */
.kpi-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background: rgba(0, 0, 0, 0.12);
  border: 1px solid var(--card-border);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
}

.kpi-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.kpi-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--b2b-accent);
  margin: 4px 0 2px 0;
}

.kpi-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Gráfico Canvas Waterfall */
.waterfall-box {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Barra de reparto del PVP */
.share-bar-container {
  margin-bottom: 1.5rem;
}

.share-bar {
  display: flex;
  height: 12px;
  border-radius: 6px;
  overflow: hidden;
  margin: 6px 0 8px 0;
}

.share-seg {
  height: 100%;
  transition: width var(--transition-fast);
}

.share-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* Tabla detallada del escandallo */
.breakdown-section {
  background: var(--b2b-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2.5rem;
}

.breakdown-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
  margin-top: 1rem;
}

.breakdown-table th,
.breakdown-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--card-border);
}

.breakdown-table th {
  background: rgba(0, 0, 0, 0.12);
  font-weight: 600;
  color: var(--b2b-accent);
}

.table-highlight-row {
  background: rgba(56, 189, 248, 0.08);
  font-weight: 700;
}

/* Botón de exportación */
.btn-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  background: var(--b2b-accent);
  color: #0f172a;
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
}

.btn-action:hover {
  background: #7dd3fc;
}

/* Modal canónico */
.fijate-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  padding: 1rem;
}

.fijate-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.fijate-modal {
  background: var(--b2b-card);
  border: 1px solid var(--b2b-border);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  padding: 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  text-align: center;
}

.modal-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.modal-title {
  font-size: 1.4rem;
  margin: 0 0 8px 0;
}

.modal-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0 0 1.5rem 0;
  line-height: 1.5;
}

.btn-modal-close {
  width: 100%;
  height: 44px;
  background: var(--b2b-accent);
  color: #0f172a;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  cursor: pointer;
}

/* Presets interactivos de importación */
.presets-section {
  margin-bottom: 1.5rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--card-border);
}

.presets-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.8rem;
}

.preset-chips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.preset-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: var(--b2b-card-light);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
  box-sizing: border-box;
}

.preset-chip:hover {
  border-color: var(--b2b-accent);
  transform: translateY(-1px);
}

.preset-chip.active {
  border-color: var(--b2b-accent);
  background: rgba(56, 189, 248, 0.12);
  box-shadow: 0 0 0 1px var(--b2b-accent);
}

[data-theme="light"] .preset-chip {
  background: #f8fafc;
  border-color: rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .preset-chip.active {
  background: rgba(2, 132, 199, 0.1);
  border-color: var(--b2b-accent);
  box-shadow: 0 0 0 1px var(--b2b-accent);
}

.preset-chip-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 3px;
  line-height: 1.3;
}

.preset-chip.active .preset-chip-title {
  color: var(--b2b-accent);
}

.preset-chip-sub {
  font-size: 0.76rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Animación de pulso de confirmación y cambio */
@keyframes highlightPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.6);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(56, 189, 248, 0.2);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(56, 189, 248, 0);
  }
}

.highlight-pulse {
  animation: highlightPulse 0.7s ease-out;
}

#waterfall-canvas {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

@media (max-width: 1024px) {
  .escandallo-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .tool-layout {
    padding: 0 0.75rem;
  }
  .form-row,
  .kpi-row,
  .preset-chips-grid {
    grid-template-columns: 1fr;
  }
  .config-panel,
  .summary-panel,
  .breakdown-section {
    padding: 1.25rem;
  }
}