/* ==========================================================================
   Fijate Tools - Calculadora de márgenes comerciales, markup y precios con IVA
   Tema oscuro por defecto en :root / [data-theme="dark"] y claro en [data-theme="light"]
   ========================================================================== */

:root,
[data-theme="dark"] {
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --bg-page: #090d16;
  --bg-card: #111827;
  --bg-card-subtle: #182235;
  --bg-input: #0f172a;
  --border-color: #273549;
  --border-focus: #38bdf8;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --primary: #38bdf8;
  --primary-hover: #0ea5e9;
  --primary-color: #38bdf8;
  --primary-light: rgba(56, 189, 248, 0.14);
  --primary-border: rgba(56, 189, 248, 0.35);

  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.14);
  --success-text: #6ee7b7;

  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.14);
  --warning-text: #fcd34d;

  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.14);
  --danger-text: #fca5a5;

  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

[data-theme="light"] {
  --bg-page: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-subtle: #f8fafc;
  --bg-input: #ffffff;
  --border-color: #cbd5e1;
  --border-focus: #0284c7;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-subtle: #64748b;

  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-color: #0284c7;
  --primary-light: #e0f2fe;
  --primary-border: #7dd3fc;

  --success: #059669;
  --success-bg: #ecfdf5;
  --success-text: #065f46;

  --warning: #d97706;
  --warning-bg: #fffbeb;
  --warning-text: #92400e;

  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --danger-text: #991b1b;

  --shadow-card: 0 4px 16px -2px rgba(15, 23, 42, 0.08);
  color-scheme: light;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.55;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.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%;
}

.card-main {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: clamp(1rem, 2.5vw, 1.75rem);
}

/* Selector de modo principal */
.mode-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.4rem;
}

@media (max-width: 720px) {
  .mode-tabs {
    grid-template-columns: 1fr;
  }
}

.mode-tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  padding: 0.85rem 1rem;
  min-height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card-subtle);
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-main);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.mode-tab:hover {
  border-color: var(--primary);
}

.mode-tab.active {
  background: var(--primary-light);
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

.mode-tab-title {
  font-weight: 700;
  font-size: 0.92rem;
}

.mode-tab.active .mode-tab-title {
  color: var(--primary);
}

.mode-tab-sub {
  font-size: 0.77rem;
  color: var(--text-muted);
}

/* Grid calculadora + resultados */
.calc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }
}

.panel-box {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  min-width: 0;
}

.panel-heading {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.form-grid {
  display: grid;
  gap: 0.9rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 560px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.form-group label {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-muted);
}

.input-suffix-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-suffix-wrap input {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 0.55rem 2.2rem 0.55rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
}

.input-suffix-wrap .suffix {
  position: absolute;
  right: 0.75rem;
  color: var(--text-subtle);
  font-family: var(--font-mono);
  font-weight: 700;
  pointer-events: none;
}

.form-control,
.form-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-input);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.92rem;
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 40px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  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='2.2' 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;
  cursor: pointer;
}

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

.input-suffix-wrap input:focus,
.form-control:focus,
.form-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* Chips de IVA y criterio */
.chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip-btn {
  min-height: 40px;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.chip-btn:hover {
  border-color: var(--primary);
  color: var(--text-main);
}

.chip-btn.active {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.segmented-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
}

.seg-btn {
  min-height: 42px;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
}

.seg-btn.active {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.helper-note {
  font-size: 0.79rem;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--primary);
  border-radius: 6px;
  padding: 0.55rem 0.75rem;
  line-height: 1.45;
}

/* Checkbox accesible */
.check-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.84rem;
  color: var(--text-muted);
  cursor: pointer;
  min-height: 36px;
}

.check-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  flex-shrink: 0;
}

/* Panel de resultados */
.hero-kpi-box {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.14), rgba(16, 185, 129, 0.08));
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.hero-kpi-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
}

.hero-kpi-val {
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 3vw, 2.05rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.15;
}

.btn-copy-chip {
  min-height: 36px;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-copy-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.metrics-lines {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.metric-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  font-size: 0.87rem;
}

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

.metric-line-right {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.metric-line-val {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-main);
}

.metric-line-val.is-positive {
  color: var(--success);
}

.metric-line-val.is-warning {
  color: var(--warning);
}

.metric-line-val.is-danger {
  color: var(--danger);
}

/* Barra de descomposición del PVP */
.breakdown-bar-wrap {
  margin: 0.9rem 0 1rem;
}

.breakdown-bar {
  display: flex;
  width: 100%;
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
}

.seg-cost { background: #64748b; }
.seg-profit { background: #10b981; }
.seg-fee { background: #f59e0b; }
.seg-tax { background: #38bdf8; }

.breakdown-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  margin-top: 0.5rem;
  font-size: 0.77rem;
  color: var(--text-muted);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}

.status-banner {
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.83rem;
  font-weight: 600;
  margin-bottom: 0.9rem;
  border: 1px solid transparent;
}

.status-banner.ok {
  background: var(--success-bg);
  color: var(--success-text);
  border-color: rgba(16, 185, 129, 0.3);
}

.status-banner.warn {
  background: var(--warning-bg);
  color: var(--warning-text);
  border-color: rgba(245, 158, 11, 0.35);
}

.status-banner.danger {
  background: var(--danger-bg);
  color: var(--danger-text);
  border-color: rgba(239, 68, 68, 0.35);
}

/* Botones de acción */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 44px;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  width: 100%;
  background: var(--primary);
  color: #06121e;
}

[data-theme="light"] .btn-primary {
  color: #ffffff;
}

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

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-color);
  font-size: 0.84rem;
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Pestaña 3: Catálogo y punto de equilibrio */
.breakeven-box {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 680px) {
  .breakeven-box {
    grid-template-columns: 1fr;
  }
}

.be-stat {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.95rem;
}

.be-stat span {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.be-stat strong {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--primary);
}

.table-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.catalog-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
}

.catalog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  min-width: 640px;
}

.catalog-table th,
.catalog-table td {
  padding: 0.7rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.catalog-table th {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-card-subtle);
}

.catalog-table td.mono {
  font-family: var(--font-mono);
  font-weight: 600;
}

.btn-del-row {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--danger);
  border-radius: 6px;
  padding: 0.25rem 0.55rem;
  min-height: 32px;
  cursor: pointer;
  font-size: 0.78rem;
}

.hidden {
  display: none !important;
}

/* Modal y toast */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1200;
}

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

.modal-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-body {
  padding: 1.1rem 1.2rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.modal-footer {
  padding: 0.85rem 1.2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

.modal-footer .btn-primary {
  width: auto;
  min-width: 100px;
}

.modal-close {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  font-size: 1.2rem;
  cursor: pointer;
}

.toast-banner {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.35);
  z-index: 1300;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast-banner.visible {
  opacity: 1;
  transform: translateY(0);
}