/* ==========================================================================
   Estilos Canónicos: Calculadora de embudo y tasa de conversión (CRO)
   Fijate Tools - 2026
   ========================================================================== */

:root {
  --bg-body: #0b0f17;
  --bg-card: #131b2e;
  --bg-card-sub: #1a243b;
  --bg-input: #0f1626;
  --border-color: #24304f;
  --border-focus: #3b82f6;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --accent-primary: #3b82f6;
  --accent-hover: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-sub: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --border-focus: #2563eb;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --accent-primary: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-glow: rgba(37, 99, 235, 0.18);
  --success: #059669;
  --success-bg: rgba(5, 150, 105, 0.1);
  --warning: #d97706;
  --warning-bg: rgba(217, 119, 6, 0.1);
  --danger: #dc2626;
  --danger-bg: rgba(220, 38, 38, 0.1);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--text-main);
  margin-top: 0;
}

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

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

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

.card-main {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
  margin-bottom: 2rem;
}

/* Presets */
.presets-section {
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.presets-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.presets-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.btn-preset {
  background: var(--bg-card-sub);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.85rem;
  font-size: 0.825rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  min-height: 38px;
}

.btn-preset:hover, .btn-preset.active {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

/* Fila financiera */
.financial-inputs-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
  background: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.field-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.currency-badge {
  font-size: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.1rem 0.4rem;
  color: var(--text-muted);
}

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

.input-wrapper-unit .form-input {
  padding-right: 2.25rem;
}

.input-unit {
  position: absolute;
  right: 1rem;
  color: var(--text-muted);
  font-weight: 600;
  pointer-events: none;
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  box-sizing: border-box;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  min-height: 44px;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  box-sizing: border-box;
  background-color: var(--bg-input);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 2.5rem 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  min-height: 44px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' 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 1rem center;
}

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

.field-hint {
  font-size: 0.775rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  margin-bottom: 0;
  line-height: 1.4;
}

/* Etapas del embudo */
.stages-container {
  margin-bottom: 2rem;
}

.stages-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.stages-title {
  font-size: 1.15rem;
  margin: 0;
}

.stages-badge {
  font-size: 0.8rem;
  background: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

.stages-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.stage-item {
  background: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: grid;
  grid-template-columns: 32px 1.5fr 1fr 1fr 1fr;
  align-items: center;
  gap: 1rem;
  transition: var(--transition);
}

.stage-item:hover {
  border-color: var(--accent-primary);
}

.stage-num-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.825rem;
}

.stage-name-input {
  font-weight: 600;
}

.stage-metric-col {
  display: flex;
  flex-direction: column;
}

.stage-metric-label {
  font-size: 0.725rem;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.stage-metric-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.stage-metric-value.drop {
  color: var(--danger);
}

.stage-metric-value.step {
  color: var(--success);
}

/* Tarjeta de punto de fuga */
.bottleneck-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--danger-bg);
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.bottleneck-icon {
  color: var(--danger);
  flex-shrink: 0;
  margin-top: 2px;
}

.bottleneck-tag {
  display: inline-block;
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: none;
  background: var(--danger);
  color: #ffffff;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.4rem;
}

.bottleneck-title {
  font-size: 1.15rem;
  margin: 0 0 0.35rem 0;
}

.bottleneck-desc {
  font-size: 0.875rem;
  color: var(--text-main);
  margin: 0;
  line-height: 1.45;
}

/* Gráfico Canvas */
.funnel-visualization-card {
  background: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.canvas-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

#funnel-canvas {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: var(--radius-md);
  background: var(--bg-body);
}

/* Cuadrícula de KPIs */
.kpi-highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.kpi-card {
  background: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.kpi-card.accent {
  border-color: var(--accent-primary);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.kpi-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.kpi-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

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

/* Simulador CRO */
.simulator-section {
  background: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.sim-controls-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.sim-result-box {
  background: var(--bg-card);
  border-left: 4px solid var(--accent-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1rem 1.25rem;
}

.sim-result-text {
  margin: 0;
  font-size: 0.925rem;
  line-height: 1.5;
  color: var(--text-main);
}

/* Acciones de pie */
.card-footer-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.btn-print {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  min-height: 42px;
}

.btn-print:hover {
  background: var(--accent-hover);
}

.btn-reset {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: var(--radius-md);
  padding: 0.65rem 1.15rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
  min-height: 42px;
}

.btn-reset:hover {
  color: var(--text-main);
  border-color: var(--text-muted);
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

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

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  animation: modalScale 0.2s ease-out;
}

@keyframes modalScale {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-title {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.modal-message {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

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

.btn-modal-cancel {
  background: var(--bg-card-sub);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.6rem 1.15rem;
  font-size: 0.875rem;
  cursor: pointer;
  min-height: 40px;
}

.btn-modal-confirm {
  background: var(--accent-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.6rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 40px;
}

/* Print */
@media print {
  .app-header, .fijate-footer, .tools-ad-banner-section, .tool-ad-sidebar, .presets-section, .card-footer-actions, .seo-guide-section {
    display: none !important;
  }
  .tool-layout {
    margin: 0;
    padding: 0;
    max-width: 100%;
  }
  .card-main {
    border: none;
    box-shadow: none;
    padding: 0;
  }
}

/* Responsive */
@media (max-width: 900px) {
  .financial-inputs-row {
    grid-template-columns: 1fr;
  }
  .stage-item {
    grid-template-columns: 32px 1fr 1fr;
  }
  .kpi-highlight-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .sim-controls-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .card-main {
    padding: 1.25rem;
  }
  .stage-item {
    grid-template-columns: 1fr;
  }
  .stage-num-badge {
    margin-bottom: 0.25rem;
  }
  .kpi-highlight-grid {
    grid-template-columns: 1fr;
  }
  .btn-print, .btn-reset {
    width: 100%;
    justify-content: center;
  }
}