/**
 * Estilos canónicos del Modelo de Valoración DCF y WACC
 * Fijate Tools • Corporate Finance Studio
 */

:root {
  --bg-body: #0a0e17;
  --bg-card: #121826;
  --bg-card-subtle: #182234;
  --bg-card-hover: #1f2c42;
  --border-color: #26334d;
  --border-focus: #3b82f6;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --accent: #ff8507;
  --accent-glow: rgba(255, 133, 7, 0.18);
  --green: #10b981;
  --green-bg: rgba(16, 185, 129, 0.14);
  --red: #f43f5e;
  --red-bg: rgba(244, 63, 94, 0.14);
  --yellow: #f59e0b;
  --yellow-bg: rgba(245, 158, 11, 0.14);
  --j1-color: #38bdf8;
  --j2-color: #f97316;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --font-mono: 'JetBrains Mono', monospace;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

[data-theme="light"] {
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --bg-card-hover: #e2e8f0;
  --border-color: #cbd5e1;
  --border-focus: #2563eb;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --accent: #ea580c;
  --accent-glow: rgba(234, 88, 12, 0.12);
  --green: #059669;
  --green-bg: rgba(5, 150, 105, 0.12);
  --red: #e11d48;
  --red-bg: rgba(225, 29, 72, 0.12);
  --yellow: #d97706;
  --yellow-bg: rgba(217, 119, 6, 0.12);
  --j1-color: #0284c7;
  --j2-color: #ea580c;
}

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

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

.main-wrapper.tool-layout {
  max-width: 1360px;
  margin: 1rem auto 3rem;
  padding: 0 1rem;
  width: 100%;
  flex: 1;
}

.tool-with-sidebar {
  display: flex;
  gap: 1.75rem;
  align-items: flex-start;
}

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

/* Presets Bar */
.card-presets {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.presets-header {
  margin-bottom: 0.65rem;
}

.presets-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.btn-preset {
  background: var(--bg-card-subtle);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
}

.btn-preset:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.btn-preset.active {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* Tarjetas Resumen Ejecutivo */
.executive-summary-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 900px) {
  .executive-summary-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .executive-summary-cards {
    grid-template-columns: 1fr;
  }
}

.exec-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.exec-card.primary-card {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255, 133, 7, 0.08) 100%);
}

.exec-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

.exec-value {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
}

.primary-card .exec-value {
  color: var(--accent);
}

.exec-sub {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--green);
}

/* Tabs */
.dcf-sections-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.tab-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 9px 9px 0 0;
  padding: 0.65rem 1.15rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  transition: all 0.2s ease;
  margin-bottom: -2px;
}

.tab-btn:hover {
  color: var(--text-main);
  background: var(--bg-card-subtle);
}

.tab-btn.active {
  background: var(--bg-card);
  color: var(--accent);
  border-color: var(--border-color) var(--border-color) var(--bg-card);
  border-top: 3px solid var(--accent);
  z-index: 2;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tarjetas de Contenido */
.table-card, .wacc-card, .sensitivity-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.table-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.section-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* Tabla DCF */
.table-responsive-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.dcf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: right;
}

.dcf-table th, .dcf-table td {
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.dcf-table th {
  background: var(--bg-card-subtle);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.82rem;
}

.dcf-table th:first-child, .dcf-table td:first-child {
  text-align: left;
  font-weight: 600;
}

.dcf-table th.th-hist {
  background: rgba(255, 255, 255, 0.04);
}

.table-input {
  width: 76px;
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.25rem 0.4rem;
  text-align: right;
  outline: none;
}

.table-input:focus {
  border-color: var(--border-focus);
}

.calc-cell {
  color: var(--text-main);
}

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

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

.text-muted-center {
  color: var(--text-muted);
  text-align: center !important;
}

.row-highlight {
  background: rgba(56, 189, 248, 0.06);
}

.row-fcff {
  background: rgba(16, 185, 129, 0.1);
  border-top: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
}

.row-fcff td {
  color: var(--green) !important;
}

.row-pv {
  background: rgba(255, 133, 7, 0.08);
}

/* Bloque Terminal y Estructura */
.terminal-config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 768px) {
  .terminal-config-grid {
    grid-template-columns: 1fr;
  }
}

.config-box {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.config-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.slider-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.slider-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-main);
}

input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--border-color);
  outline: none;
  cursor: pointer;
  accent-color: var(--accent);
}

.stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.84rem;
  color: var(--text-muted);
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 0.35rem;
}

.stat-row strong {
  color: var(--text-main);
}

.fields-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.field-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.field-label {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.form-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.45rem 0.65rem;
  min-height: 38px;
  outline: none;
}

.form-input:focus {
  border-color: var(--border-focus);
}

/* WACC Layout */
.wacc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 768px) {
  .wacc-grid {
    grid-template-columns: 1fr;
  }
}

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

.col-header {
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.col-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
}

.j1-header .col-title { color: var(--j1-color); }
.j2-header .col-title { color: var(--j2-color); }

.stat-box-result {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-box-result strong {
  font-size: 1.15rem;
  color: var(--text-main);
}

.wacc-formula-banner {
  background: var(--bg-card-subtle);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.banner-title {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.banner-expr {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}

/* Matriz de Sensibilidad */
.sensitivity-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  font-size: 0.85rem;
}

.sensitivity-table th, .sensitivity-table td {
  padding: 0.75rem 0.6rem;
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
}

.sensitivity-table th {
  background: var(--bg-card-subtle);
  color: var(--text-muted);
  font-weight: 700;
}

.cell-sens {
  font-weight: 700;
  transition: all 0.2s ease;
}

.cell-sens.sens-green {
  background: var(--green-bg);
  color: var(--green);
}

.cell-sens.sens-yellow {
  background: var(--yellow-bg);
  color: var(--yellow);
}

.cell-sens.sens-red {
  background: var(--red-bg);
  color: var(--red);
}

.cell-sens.sens-base {
  border: 2px solid var(--accent) !important;
}

.sensitivity-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding-top: 0.5rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.legend-box {
  width: 14px;
  height: 14px;
  border-radius: 3px;
}

.box-green { background: var(--green); }
.box-yellow { background: var(--yellow); }
.box-red { background: var(--red); }

/* Modales Canónicos */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1rem;
}

.modal-dialog-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
}

.modal-body {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
}

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

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  min-height: 40px;
}