/**
 * Estilos canónicos de la Calculadora de reparto de gastos domésticos en pareja y pisos
 * fijate.com/tools/calculadora-gastos-pareja-piso
 */

:root {
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Tema claro */
  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-accent: #2563eb;
  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-light: #eff6ff;
  --success-color: #10b981;
  --success-light: #ecfdf5;
  --danger-color: #ef4444;
  --danger-light: #fef2f2;
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"],
.dark-theme,
body.dark-mode {
  --bg-app: #0b0f17;
  --bg-card: #151d2a;
  --bg-card-subtle: #1c2638;
  --border-color: #27354a;
  --border-focus: #60a5fa;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-accent: #60a5fa;
  --accent-primary: #3b82f6;
  --accent-primary-hover: #60a5fa;
  --accent-light: #1e3a8a;
  --success-color: #34d399;
  --success-light: #064e3b;
  --danger-color: #f87171;
  --danger-light: #450a0a;
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
}

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

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

h1, h2, h3, h4, h5, h6,
.brand-title,
.section-title,
.hero-title,
.model-title {
  font-family: var(--font-heading);
}

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

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

.text-accent {
  color: var(--text-accent);
}

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

.text-diff-plus {
  color: var(--danger-color);
  font-weight: 600;
}

.text-diff-minus {
  color: var(--success-color);
  font-weight: 600;
}

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

.main-wrapper.tool-layout {
  max-width: 1200px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  width: 100%;
  flex: 1 0 auto;
}

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

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

.card-main {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .card-main {
    padding: 1rem;
    border-radius: 0.75rem;
  }
}

/* Selector de Motor (Tabs de cabecera) */
.engine-nav-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 1.75rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.engine-nav-tabs::-webkit-scrollbar {
  display: none;
}

.engine-nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

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

.engine-nav-tab.is-active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.engine-tab-pane {
  display: none;
}

.engine-tab-pane.is-active {
  display: block;
}

/* ========================================================
   SECCIÓN EN PAREJA
   ======================================================== */
.pareja-setup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

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

.setup-panel {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.panel-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.inputs-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.input-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.input-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Inputs y Selects */
.tool-input {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 42px;
  min-height: 40px;
  padding: 0 0.875rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-main);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  transition: border-color 0.15s ease;
}

.tool-input:focus {
  outline: none;
  border-color: var(--border-focus);
}

.tool-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 42px;
  min-height: 40px;
  padding: 0 40px 0 0.875rem;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text-main);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' 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 12px center;
  background-size: 16px;
  cursor: pointer;
}

.tool-select:focus {
  outline: none;
  border-color: var(--border-focus);
}

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

/* Botones */
.btn-primary,
.btn-secondary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 42px;
  min-height: 40px;
  padding: 0 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-primary);
  color: #ffffff;
}

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

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-color);
}

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

/* Comparativa de los 4 modelos de pareja */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.model-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1.25rem;
  cursor: pointer;
  position: relative;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.model-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.model-card.is-selected {
  border-color: var(--accent-primary);
  background: var(--accent-light);
  box-shadow: 0 0 0 1px var(--accent-primary);
}

.model-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.model-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

.model-badge-check {
  display: none;
  background: var(--accent-primary);
  color: #ffffff;
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 1rem;
  font-weight: 600;
}

.model-card.is-selected .model-badge-check {
  display: inline-block;
}

.model-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.model-person-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0;
  border-top: 1px dashed var(--border-color);
  font-size: 0.85rem;
}

.model-pay-val {
  font-weight: 700;
  color: var(--text-main);
  font-size: 1rem;
}

.model-pct-badge {
  font-size: 0.75rem;
  padding: 0.1rem 0.4rem;
  border-radius: 0.25rem;
  background: var(--bg-card-subtle);
  color: var(--text-muted);
}

.model-pct-badge.is-overburden {
  background: var(--danger-light);
  color: var(--danger-color);
  font-weight: 700;
}

/* Caja de cuenta conjunta destacada */
.joint-account-highlight {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: 0.875rem;
  padding: 1.5rem;
  margin-bottom: 1.75rem;
}

.joint-account-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.joint-account-top h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.joint-plan-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 640px) {
  .joint-plan-grid {
    grid-template-columns: 1fr;
  }
}

.joint-member-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.joint-transfer-amount {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-accent);
}

/* Gráfico de barras visual de ingresos y ahorro */
.visual-comparison-box {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.bar-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.bar-row-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
}

.bar-composite {
  width: 100%;
  height: 14px;
  background: var(--border-color);
  border-radius: 7px;
  overflow: hidden;
  display: flex;
}

.bar-seg-pay {
  background: var(--accent-primary);
  height: 100%;
  transition: width 0.3s ease;
}

.bar-seg-save {
  background: var(--success-color);
  height: 100%;
  transition: width 0.3s ease;
}

/* ========================================================
   SECCIÓN DE PISOS COMPARTIDOS (HABITACIONES)
   ======================================================== */
.piso-settings-bar {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin-bottom: 1.75rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  align-items: flex-end;
}

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

.rooms-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.room-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.room-card-top {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.room-card-title-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.room-index-badge {
  background: var(--accent-primary);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 0.35rem;
}

.room-name-input {
  font-weight: 700;
  font-size: 1rem;
  background: transparent;
  border: none;
  border-bottom: 1px dashed var(--border-color);
  color: var(--text-main);
  padding: 0.2rem 0.4rem;
  font-family: inherit;
  flex: 1 1 auto;
}

.room-name-input:focus {
  outline: none;
  border-bottom-color: var(--border-focus);
}

.room-tenant-input {
  font-size: 0.85rem;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 1px dashed var(--border-color);
  padding: 0.2rem 0.4rem;
  font-family: inherit;
}

.room-tenant-input:focus {
  outline: none;
  border-bottom-color: var(--border-focus);
}

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

.room-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.room-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Tabla de resultados del piso */
.piso-results-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.875rem;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  margin-bottom: 1.5rem;
}

.results-table-wrapper {
  overflow-x: auto;
}

.piso-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.piso-table th {
  background: var(--bg-card-subtle);
  padding: 0.875rem 1rem;
  font-weight: 700;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.piso-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

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

.table-room-title {
  font-weight: 700;
  color: var(--text-main);
}

.table-room-tenant {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.piso-table-footer {
  background: var(--bg-card-subtle);
  border-top: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

/* Modales accesibles */
.app-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.app-modal.is-open {
  display: flex;
}

.app-modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  max-width: 480px;
  width: 100%;
  padding: 1.5rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.app-modal-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

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

/* Impresión */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .app-header,
  .fijate-footer,
  .tool-ad-sidebar,
  .tools-ad-banner-section,
  .engine-nav-tabs,
  .btn-primary,
  .btn-secondary,
  .btn-outline,
  .rooms-management-header button,
  .app-modal {
    display: none !important;
  }

  .card-main {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }
}