/* ==========================================================================
   Noscomelaia Sesiones — Estilos Base, Layout Responsive y Componentes
   Sin CDN ni fuentes externas (compatible con CSP 'self')
   ========================================================================== */

:root {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-hover: #f1f5f9;
  --color-border: #cbd5e1;
  --color-border-subtle: #e2e8f0;
  
  --color-text-main: #0f172a;
  --color-text-muted: #64748b;
  --color-text-inverse: #ffffff;
  
  --color-primary: #1e40af;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #eff6ff;
  
  --color-secondary: #475569;
  --color-secondary-hover: #334155;
  
  --color-success-bg: #ecfdf5;
  --color-success-border: #6ee7b7;
  --color-success-text: #065f46;
  --color-success-accent: #10b981;
  
  --color-warning-bg: #fffbeb;
  --color-warning-border: #fcd34d;
  --color-warning-text: #92400e;
  
  --color-danger-bg: #fef2f2;
  --color-danger-border: #fca5a5;
  --color-danger-text: #991b1b;
  --color-danger-accent: #ef4444;

  --color-badge-alta-bg: #fee2e2;
  --color-badge-alta-text: #991b1b;
  --color-badge-media-bg: #fef3c7;
  --color-badge-media-text: #92400e;
  --color-badge-baja-bg: #ecfdf5;
  --color-badge-baja-text: #065f46;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

  --sidebar-width: 320px;
  --header-height: 60px;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.5;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* --------------------------------------------------------------------------
   Utilidades y Estados
   -------------------------------------------------------------------------- */
.hidden {
  display: none !important;
}

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

.btn-block {
  width: 100%;
}

/* --------------------------------------------------------------------------
   Botones
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  min-height: 38px;
  text-decoration: none;
  user-select: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

.btn-secondary {
  background-color: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-secondary);
}
.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-surface-hover);
  border-color: var(--color-secondary);
}

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

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
  min-height: 32px;
}

.btn-xs {
  padding: 4px 8px;
  font-size: 12px;
  min-height: 28px;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Pantalla de Autenticación / Login
   -------------------------------------------------------------------------- */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background-color: var(--color-bg);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 32px 28px;
}

.auth-header {
  text-align: center;
  margin-bottom: 24px;
}

.brand-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.brand-subtitle {
  font-size: 14px;
  color: var(--color-text-muted);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  color: var(--color-text-main);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.15);
}

/* --------------------------------------------------------------------------
   Layout General de la Aplicación
   -------------------------------------------------------------------------- */
.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Cabecera superior */
.app-header {
  height: var(--header-height);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.3px;
}

.header-badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.user-status-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-label {
  font-size: 13px;
  color: var(--color-text-muted);
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-main);
  background-color: var(--color-surface-hover);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Banners y Alertas Globales
   -------------------------------------------------------------------------- */
.banner-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 24px 0 24px;
}

.banner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  border: 1px solid transparent;
}

.banner-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.banner-title {
  font-weight: 600;
}

.banner-danger {
  background-color: var(--color-danger-bg);
  border-color: var(--color-danger-border);
  color: var(--color-danger-text);
}

.banner-warning {
  background-color: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: var(--color-warning-text);
}

.banner-close {
  background: transparent;
  border: none;
  font-size: 20px;
  line-height: 1;
  color: inherit;
  cursor: pointer;
  padding: 0 4px;
  opacity: 0.7;
}
.banner-close:hover {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   Estructura Dividida: Sidebar + Content Panel
   -------------------------------------------------------------------------- */
.main-layout {
  display: flex;
  flex: 1;
  min-height: calc(100vh - var(--header-height));
}

/* Barra Lateral (Historial de sesiones) */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-main);
}

.sessions-nav {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  gap: 8px;
}

.sessions-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.session-item-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.session-item-btn:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-border);
}

.session-item-btn.active {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  border-left-width: 4px;
}

.session-item-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 4px;
  word-break: break-word;
}

.session-item-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 11px;
}

.load-more-container {
  padding: 12px 0 8px 0;
}

/* Panel Principal de Contenido */
.content-panel {
  flex: 1;
  padding: 24px;
  background-color: var(--color-bg);
  overflow-y: auto;
}

/* Estado Vacío */
.empty-state-view {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.empty-state-card {
  max-width: 440px;
  text-align: center;
  padding: 32px 24px;
  background-color: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

.empty-state-card h3 {
  font-size: 16px;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

/* --------------------------------------------------------------------------
   Detalle de la Sesión Activa
   -------------------------------------------------------------------------- */
.session-detail {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 1080px;
  margin: 0 auto;
}

/* Tarjeta Cabecera de Sesión */
.session-header {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
}

.session-header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.session-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-main);
  word-break: break-word;
}

.session-badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.session-header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--color-border-subtle);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

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

.meta-value {
  font-weight: 600;
  color: var(--color-text-main);
}

.session-resumen-box {
  background-color: var(--color-surface-hover);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.resumen-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.resumen-content {
  font-size: 14px;
  color: var(--color-text-main);
  white-space: pre-wrap;
  word-break: break-word;
}

/* --------------------------------------------------------------------------
   Badges y Etiquetas
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  line-height: 1.4;
}

.badge-kind {
  background-color: #e0e7ff;
  color: #3730a3;
}

.badge-status {
  background-color: #dbeafe;
  color: #1e40af;
}

.badge-status.closed {
  background-color: #e2e8f0;
  color: #334155;
}

.badge-revision {
  background-color: #f1f5f9;
  color: #475569;
  border: 1px solid var(--color-border-subtle);
}

.badge-warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning-text);
  border: 1px solid var(--color-warning-border);
}

.badge-alta {
  background-color: var(--color-badge-alta-bg);
  color: var(--color-badge-alta-text);
}

.badge-media {
  background-color: var(--color-badge-media-bg);
  color: var(--color-badge-media-text);
}

.badge-baja {
  background-color: var(--color-badge-baja-bg);
  color: var(--color-badge-baja-text);
}

.badge-urgencia {
  background-color: #ede9fe;
  color: #5b21b6;
}

.badge-urgencia.hoy {
  background-color: #fae8ff;
  color: #86198f;
  font-weight: 700;
}

.badge-estado-tomada, .badge-estado-hecha {
  background-color: #dcfce7;
  color: #15803d;
}

.badge-estado-propuesta, .badge-estado-en_curso {
  background-color: #e0f2fe;
  color: #0369a1;
}

.badge-estado-pendiente {
  background-color: #fef3c7;
  color: #b45309;
}

/* --------------------------------------------------------------------------
   Barra de Controles: Pestañas y Filtros
   -------------------------------------------------------------------------- */
.controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  box-shadow: var(--shadow-sm);
}

.tabs-wrapper {
  display: flex;
  gap: 6px;
}

.tab-btn {
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

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

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

.filters-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.filter-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
}

.filter-select {
  padding: 6px 10px;
  font-size: 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  color: var(--color-text-main);
}

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

/* --------------------------------------------------------------------------
   Pestañas de Contenido y Secciones
   -------------------------------------------------------------------------- */
.tab-contents {
  display: flex;
  flex-direction: column;
}

.tab-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.group-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 6px;
}

.group-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-main);
}

.group-counter {
  font-size: 12px;
  font-weight: 600;
  background-color: var(--color-surface-hover);
  color: var(--color-text-muted);
  padding: 2px 8px;
  border-radius: 9999px;
}

.cards-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.empty-list-notice {
  padding: 16px;
  background-color: var(--color-surface);
  border: 1px dashed var(--color-border-subtle);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 13px;
  text-align: center;
}

/* --------------------------------------------------------------------------
   Tarjetas de Elementos (Opinión, Decisión, Tarea, Pregunta)
   Mecánica de Plegado / Desplegado al Validar / Reabrir
   -------------------------------------------------------------------------- */
.item-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  overflow: hidden;
}

/* Tarjeta Validada: Plegada */
.item-card.is-validated {
  background-color: #fafbfc;
  border-color: #d1d5db;
  border-left-color: var(--color-success-accent);
}

.item-card.is-validated.is-folded .card-body {
  display: none !important;
}

/* Cabecera de la Tarjeta */
.card-header {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-header-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.card-header-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.card-badges-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.card-summary-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-main);
  word-break: break-word;
}

.card-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Barra de validación dentro de la tarjeta */
.card-validation-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border-subtle);
  font-size: 12px;
}

.validation-info {
  display: flex;
  align-items: center;
  gap: 6px;
}

.validation-status-text {
  font-weight: 500;
}

.is-validated .validation-status-text {
  color: var(--color-success-text);
}

.is-unvalidated .validation-status-text {
  color: var(--color-text-muted);
}

/* Botones de acción en tarjetas */
.btn-action {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  min-height: 28px;
  transition: all 0.15s ease;
  font-family: inherit;
}

.btn-validate {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-validate:hover {
  background-color: var(--color-primary-hover);
}

.btn-reopen {
  background-color: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-secondary);
}
.btn-reopen:hover {
  background-color: #fee2e2;
  border-color: var(--color-danger-border);
  color: var(--color-danger-text);
}

/* Botón para alternar pliegue manualmente */
.btn-toggle-fold {
  background: transparent;
  border: none;
  font-size: 12px;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}
.btn-toggle-fold:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text-main);
}

/* Cuerpo de la Tarjeta */
.card-body {
  padding: 12px 16px 16px 16px;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.detail-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.detail-row-inline {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.detail-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.detail-content {
  font-size: 14px;
  color: var(--color-text-main);
  white-space: pre-wrap;
  word-break: break-word;
}

/* --------------------------------------------------------------------------
   Diseño Responsive (Desktop y Móvil)
   -------------------------------------------------------------------------- */
@media (max-width: 860px) {
  .main-layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--color-border-subtle);
    max-height: 280px;
  }

  .content-panel {
    padding: 16px;
  }

  .controls-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .tabs-wrapper {
    width: 100%;
  }

  .tab-btn {
    flex: 1;
    text-align: center;
  }

  .filters-group {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .filter-item {
    justify-content: space-between;
  }

  .filter-select {
    flex: 1;
    max-width: 60%;
  }

  .session-header-top {
    flex-direction: column;
  }

  .session-header-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .meta-actions {
    width: 100%;
  }

  .meta-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .app-header {
    padding: 0 14px;
  }

  .user-label {
    display: none;
  }

  .auth-card {
    padding: 24px 18px;
  }
}