/* ============================================================
   Aileads — Design tokens + componentes (vanilla CSS, sin CDN)
   ============================================================ */

/* ── Tokens (tema claro por defecto) ───────────────────────── */
:root {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-text: #111827;
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-success: #16a34a;
  --color-warning: #d97706;
  --color-danger: #dc2626;

  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.5rem;
  --spacing-6: 2rem;
  --spacing-7: 2.5rem;
  --spacing-8: 3rem;

  --radius: 0.5rem;
  --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition: 150ms ease;
}

/* ── Tema oscuro ───────────────────────────────────────────── */
#leadResearch { overflow-wrap: anywhere; }
#leadResearch a { color: var(--color-primary); text-decoration: underline; }
#proposalOut a { color: var(--color-primary); text-decoration: underline; }
#leadResearch p { margin-block: var(--spacing-3); }

[data-theme="dark"] {
  --color-primary: #60a5fa;
  --color-primary-hover: #93c5fd;
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-border: #334155;
  --color-success: #4ade80;
  --color-warning: #fbbf24;
  --color-danger: #f87171;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
}

/* ── Pipeline + filtros (F3a) ──────────────────────────────── */
.pipeline-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-3);
}

.pipeline__col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-1);
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

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

.pipeline__col.is-active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

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

.pipeline__col.is-active .pipeline__label,
.pipeline__col.is-active .pipeline__count {
  color: var(--color-surface);
}

[data-theme="dark"] .pipeline__col.is-active .pipeline__label,
[data-theme="dark"] .pipeline__col.is-active .pipeline__count {
  color: var(--color-bg);
}

.pipeline__count {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.1;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.chip {
  padding: var(--spacing-1) var(--spacing-3);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-muted);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

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

.chip.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-surface);
}

[data-theme="dark"] .chip.is-active {
  color: var(--color-bg);
}

/* Responsive: 4 → 2 → 1 columnas */
@media (max-width: 720px) {
  .pipeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .pipeline {
    grid-template-columns: 1fr;
  }
}

/* ── Reset básico ──────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-stack);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 600;
}

/* ── Shell de layout ───────────────────────────────────────── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* El atributo hidden (usado por showApp/showLogin) depende de la regla
   [hidden]{display:none} de la hoja de estilos de usuario, que es anulada
   por la regla de autor display:flex de arriba. Esta regla de mayor
   especificidad (0,0,2,0 > 0,0,1,0) hace efectivo el hidden en #loginPanel
   y #appShell. */
.app-shell[hidden] {
  display: none;
}

/* ── Sidebar ───────────────────────────────────────────────── */
.sidebar {
  display: flex;
  flex-direction: column;
  width: 240px;
  flex-shrink: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--spacing-4);
  gap: var(--spacing-4);
  transition: width var(--transition);
}

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: 1.125rem;
  font-weight: 700;
}

.sidebar__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
}

[data-theme="dark"] .sidebar__logo {
  color: #0f172a;
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3);
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  text-align: left;
  transition: background var(--transition), color var(--transition);
}

.nav-item:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.nav-item.is-active {
  background: var(--color-bg);
  color: var(--color-text);
  font-weight: 600;
}

.nav-item.is-active .nav-item__icon {
  color: var(--color-primary);
}

.nav-item__icon {
  font-size: 1.1rem;
  width: 1.5rem;
  text-align: center;
  flex-shrink: 0;
}

.sidebar__footer {
  display: flex;
  justify-content: flex-end;
}

/* ── Main ──────────────────────────────────────────────────── */
.main {
  flex: 1;
  min-width: 0;
  padding: var(--spacing-6);
}

.main__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-5);
}

.main__title {
  font-size: 1.5rem;
}

/* ── Vistas ────────────────────────────────────────────────── */
.view {
  display: none;
}

.view.is-active {
  display: block;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.field--convert {
  flex-direction: row;
  align-items: center;
  gap: var(--spacing-2);
}

.field--convert .input {
  width: auto;
  min-width: 180px;
}

/* ── Card ──────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-5);
  margin-bottom: var(--spacing-5);
}

.card__title {
  font-size: 1.05rem;
  margin-bottom: var(--spacing-4);
}

/* ── Formularios ───────────────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--spacing-4);
  align-items: end;
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.field--action {
  justify-content: flex-end;
}

.field__label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.input {
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 20%, transparent);
}

/* ── Botones ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

[data-theme="dark"] .btn-primary {
  color: #0f172a;
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}

.btn-danger:hover:not(:disabled) {
  filter: brightness(0.9);
}

.btn-ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-bg);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  transition: background var(--transition);
}

.icon-btn:hover {
  background: var(--color-bg);
}

/* ── Badges ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-bg);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.badge--success {
  background: color-mix(in srgb, var(--color-success) 12%, transparent);
  color: var(--color-success);
  border-color: color-mix(in srgb, var(--color-success) 35%, transparent);
}

.badge--warning {
  background: color-mix(in srgb, var(--color-warning) 12%, transparent);
  color: var(--color-warning);
  border-color: color-mix(in srgb, var(--color-warning) 35%, transparent);
}

.badge--danger {
  background: color-mix(in srgb, var(--color-danger) 12%, transparent);
  color: var(--color-danger);
  border-color: color-mix(in srgb, var(--color-danger) 35%, transparent);
}

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

/* Origen del score: IA vs Heurístico */
.badge--ia {
  background: color-mix(in srgb, var(--color-primary) 14%, transparent);
  color: var(--color-primary);
  border-color: color-mix(in srgb, var(--color-primary) 45%, transparent);
}

.badge--heuristic {
  background: color-mix(in srgb, var(--color-text-muted) 14%, transparent);
  color: var(--color-text-muted);
  border-style: dashed;
}

/* Estado de propuesta: draft diferenciado de approved/rejected */
.badge--draft {
  background: color-mix(in srgb, var(--color-warning) 14%, transparent);
  color: var(--color-warning);
  border-color: color-mix(in srgb, var(--color-warning) 45%, transparent);
}

/* Celda de score con badge de origen */
.score-cell {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  font-weight: 600;
}

/* Estado de error inline en zona afectada (no alert) */
.inline-error {
  border: 1px solid color-mix(in srgb, var(--color-danger) 45%, transparent);
  border-left: 4px solid var(--color-danger);
  background: color-mix(in srgb, var(--color-danger) 7%, transparent);
  border-radius: var(--radius);
  padding: var(--spacing-4);
  color: var(--color-text);
}

.inline-error__msg {
  margin: var(--spacing-2) 0 0;
  color: var(--color-text-muted);
}

.inline-error__hint {
  margin: var(--spacing-2) 0 0;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* Celda de error en tabla */
.table__error {
  color: var(--color-danger);
}

.inline-retry {
  color: var(--color-primary);
  font-weight: 600;
}

/* Empty states descriptivos */
.table__empty--state {
  display: table-cell;
}

.empty__title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-2);
}

.empty__text {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-3);
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}

/* Zona de carga: skeleton + aviso de lentitud de la LLM */
.loading-zone__slow {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-top: var(--spacing-3);
  color: var(--color-text-muted);
}

/* Texto accesible oculto */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Detalle del lead */
.detail-list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-2) var(--spacing-3);
  margin: 0 0 var(--spacing-4);
}

.detail-list dt {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.detail-list dd {
  margin: 0;
}

.score-detail {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-3);
}

/* Bloque "Por qué este score" */
.score-reason {
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: var(--spacing-3) var(--spacing-4);
}

.score-reason__title {
  margin: 0 0 var(--spacing-2);
  font-size: 0.9rem;
}

.score-reason__text {
  margin: 0;
  white-space: pre-wrap;
  color: var(--color-text);
}

/* Resultado de propuesta */
.proposal-result {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.proposal-note {
  font-size: 0.85rem;
}

.proposal-text {
  margin: 0;
  padding: var(--spacing-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  white-space: pre-wrap;
  font-family: inherit;
}

/* ── Tablas ────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
}

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

.table th,
.table td {
  text-align: left;
  padding: var(--spacing-3) var(--spacing-3);
  border-bottom: 1px solid var(--color-border);
}

.table th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.table tbody tr:hover {
  background: var(--color-bg);
}

.table__empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--spacing-6) !important;
}

/* ── Columnas ordenables (F3b) ─────────────────────────────── */
.th-sortable {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.th-sortable:hover,
.th-sortable:focus-visible {
  color: var(--color-text);
  outline: none;
  background: var(--color-bg);
}

/* Flecha de orden: asc ↑ / desc ↓ (frecuencia de data-dir por JS) */
.th-sortable::after {
  content: '\2195'; /* ↕ neutro por defecto */
  display: inline-block;
  margin-left: 0.4em;
  font-size: 0.9em;
  opacity: 0.45;
}

.th-sortable.is-sorted {
  color: var(--color-text);
}

.th-sortable.is-sorted::after {
  content: '\2191'; /* ↑ asc */
  opacity: 1;
}

.th-sortable.is-sorted[data-dir='desc']::after {
  content: '\2193'; /* ↓ desc */
}

/* ── Paginación (F3b) ──────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-top: var(--spacing-4);
}

.pagination__btn {
  appearance: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius, 6px);
  padding: var(--spacing-2) var(--spacing-3);
  font-size: 0.85rem;
  cursor: pointer;
}

.pagination__btn:hover,
.pagination__btn:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
  outline: none;
}

.pagination__btn.is-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination__info {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ── Drawer ────────────────────────────────────────────────── */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  justify-content: flex-end;
  background: rgba(0, 0, 0, 0.4);
}

.drawer[hidden] {
  display: none;
}

.drawer__panel {
  width: min(420px, 90vw);
  height: 100%;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-5);
  border-bottom: 1px solid var(--color-border);
}

.drawer__title {
  font-size: 1rem;
}

.drawer__body {
  padding: var(--spacing-5);
  overflow-y: auto;
}

/* ── Toasts ────────────────────────────────────────────────── */
.toast-region {
  position: fixed;
  bottom: var(--spacing-5);
  right: var(--spacing-5);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-md);
  max-width: 360px;
  animation: toast-in 200ms ease;
}

.toast--success { border-left-color: var(--color-success); }
.toast--warning { border-left-color: var(--color-warning); }
.toast--danger  { border-left-color: var(--color-danger); }

.toast.is-leaving {
  animation: toast-out 200ms ease forwards;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(8px); }
}

/* ── Skeleton (loading) ────────────────────────────────────── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-border) 25%,
    color-mix(in srgb, var(--color-border) 40%, var(--color-surface)) 50%,
    var(--color-border) 75%
  );
  background-size: 200% 100%;
  border-radius: var(--radius);
  animation: skeleton 1.4s ease-in-out infinite;
}

@keyframes skeleton {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Spinner ───────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Utilidades ────────────────────────────────────────────── */
.muted {
  color: var(--color-text-muted);
}

.proposal-out {
  margin-top: var(--spacing-4);
  padding: var(--spacing-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  white-space: pre-wrap;
}

/* ── Plantillas de email (F2.6) ─────────────────────────────── */
.tpl-field-block {
  margin-bottom: var(--spacing-4);
}

.tpl-hint {
  margin: 0;
}

.tpl-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.tpl-check input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--color-primary);
}

.template-actions {
  display: inline-flex;
  gap: var(--spacing-2);
}

/* ── Analíticas por campaña (F2.5) ──────────────────────────── */
.analytics-detail {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  margin-top: var(--spacing-4);
}

.analytics-detail .section-head {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex-wrap: wrap;
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
  gap: var(--spacing-3);
}

.analytics-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  min-width: 0;
}

.analytics-card__value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  overflow-wrap: anywhere;
}

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

.analytics-note {
  margin: 0;
}

/* ── Responsive: sidebar colapsada a iconos en <768px ──────── */
.campaign-product-field { grid-column: 1 / -1; }
.campaign-product { white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; }
#campaignDetails { margin-top: var(--spacing-4); }

@media (max-width: 767px) {
  .sidebar {
    width: 64px;
    padding: var(--spacing-3) var(--spacing-2);
    align-items: center;
  }

  .sidebar__name,
  .nav-item__label {
    display: none;
  }

  .nav-item {
    justify-content: center;
    padding: var(--spacing-3);
  }

  .main {
    padding: var(--spacing-4);
  }

  .grid {
    grid-template-columns: 1fr;
  }
}