/* ==========================================================================
   Generador de Agrupaciones y Planos de Clase - Estilos Canónicos
   Diseño responsivo, modo claro/oscuro, editor visual de pupitres e impresión A4
   ========================================================================== */

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

  /* Modo claro */
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --border-subtle: #cbd5e1;
  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --accent-primary: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-subtle: #eff6ff;
  --accent-border: #bfdbfe;

  --board-bg: #1e293b;
  --board-text: #f8fafc;
  --teacher-desk-bg: #e2e8f0;

  --desk-bg: #ffffff;
  --desk-border: #cbd5e1;
  --desk-hover: #eff6ff;
  --desk-active: #dbeafe;
  --desk-empty: #f8fafc;

  --color-success: #16a34a;
  --color-success-bg: #dcfce7;
  --color-success-text: #14532d;

  --color-warning: #d97706;
  --color-warning-bg: #fef3c7;
  --color-warning-text: #78350f;

  --color-danger: #dc2626;
  --color-danger-bg: #fee2e2;
  --color-danger-text: #7f1d1d;

  --color-info: #0284c7;
  --color-info-bg: #e0f2fe;
  --color-info-text: #0369a1;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

[data-theme="dark"] {
  --bg-page: #0b0f17;
  --bg-card: #131b2a;
  --bg-subtle: #1a2436;
  --bg-input: #101622;
  --border-color: #243147;
  --border-subtle: #33435c;
  --text-main: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  --accent-primary: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-subtle: rgba(59, 130, 246, 0.15);
  --accent-border: rgba(59, 130, 246, 0.35);

  --board-bg: #0f172a;
  --board-text: #e2e8f0;
  --teacher-desk-bg: #1e293b;

  --desk-bg: #192437;
  --desk-border: #2e3e59;
  --desk-hover: #22324b;
  --desk-active: rgba(59, 130, 246, 0.25);
  --desk-empty: #101726;

  --color-success: #22c55e;
  --color-success-bg: rgba(34, 197, 94, 0.18);
  --color-success-text: #86efac;

  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.18);
  --color-warning-text: #fde68a;

  --color-danger: #ef4444;
  --color-danger-bg: rgba(239, 68, 68, 0.18);
  --color-danger-text: #fca5a5;

  --color-info: #38bdf8;
  --color-info-bg: rgba(56, 189, 248, 0.18);
  --color-info-text: #bae6fd;

  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 10px 0 rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.55);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  margin: 0;
  padding: 0;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

/* Barra unificada de la Suite */
.suite-nav-bar {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
}

.suite-nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.suite-nav-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.suite-nav-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.suite-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-secondary);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  transition: all 0.15s ease;
}

.suite-link-btn:hover {
  background-color: var(--accent-subtle);
  color: var(--accent-primary);
  border-color: var(--accent-border);
}

.suite-link-btn.is-active {
  background-color: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

/* Layout canónico */
.tool-layout {
  max-width: 1200px;
  margin: 1.25rem auto 3rem;
  padding: 0 1rem;
  width: 100%;
}

.tool-with-sidebar {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

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

/* Panel superior */
.config-top-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.25rem;
}

.config-grid-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  align-items: flex-end;
}

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

.control-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-select,
.form-input {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 42px;
  padding: 0 0.75rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--text-main);
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

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

.form-select:focus,
.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Pestañas */
.tool-tabs-wrapper {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  min-height: 40px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

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

.tab-btn.is-active {
  background-color: var(--accent-subtle);
  color: var(--accent-primary);
  border-bottom: 2px solid var(--accent-primary);
}

/* Tarjeta principal */
.card-main {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

.card-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

/* Botones genéricos canónicos */
.btn-primary,
.btn-secondary,
.btn-danger-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  height: 40px;
  padding: 0 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

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

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

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

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

.btn-danger-outline {
  background: transparent;
  color: var(--color-danger);
  border-color: rgba(220, 38, 38, 0.3);
}

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

/* Alertas de convivencia / conflicto */
.conflict-alert-box {
  background-color: var(--color-danger-bg);
  border: 1px solid rgba(220, 38, 38, 0.35);
  color: var(--color-danger-text);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

/* Escenario interactivo del Aula */
.classroom-stage-container {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  position: relative;
  overflow-x: auto;
}

/* Pizarra y zona del profesor */
.classroom-front-zone {
  width: 100%;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.blackboard-banner {
  width: 100%;
  background-color: var(--board-bg);
  color: var(--board-text);
  border-radius: var(--radius-sm);
  padding: 0.625rem 1rem;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  letter-spacing: 0.05em;
  border: 2px solid #334155;
}

.teacher-desk {
  background-color: var(--teacher-desk-bg);
  border: 1px dashed var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.4rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Cuadrículas de Pupitres según Disposición */
.desks-grid {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

/* Layout: Parejas (3 bloques dobles con pasillos) */
.desks-grid-parejas {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem 1.75rem;
}

.desk-pair-cluster {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  background-color: rgba(0, 0, 0, 0.02);
  padding: 0.25rem;
  border-radius: var(--radius-md);
}

/* Layout: Filas individuales */
.desks-grid-filas {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}

/* Layout: Islas de 4 */
.desks-grid-islas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.desk-island-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  box-shadow: var(--shadow-sm);
}

.island-header {
  grid-column: 1 / -1;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.25rem;
  margin-bottom: 0.25rem;
}

/* Layout: Herradura */
.desks-grid-herradura {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.5rem;
}

/* Tarjeta de Pupitre Individual */
.desk-card {
  background-color: var(--desk-bg);
  border: 1px solid var(--desk-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  min-height: 82px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  position: relative;
}

.desk-card:hover {
  background-color: var(--desk-hover);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.desk-card.is-selected-for-swap {
  border: 2px solid var(--accent-primary);
  background-color: var(--desk-active);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

.desk-card.has-conflict {
  border: 2px solid var(--color-danger);
  background-color: var(--color-danger-bg);
}

.desk-card.is-empty {
  background-color: var(--desk-empty);
  border: 1px dashed var(--border-subtle);
  opacity: 0.7;
}

.desk-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem;
  font-size: 0.6875rem;
}

.desk-num {
  font-weight: 700;
  color: var(--text-muted);
}

.student-badges {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.badge-pill {
  display: inline-block;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.625rem;
  font-weight: 700;
}

.badge-level-alto {
  background-color: var(--color-success-bg);
  color: var(--color-success-text);
}

.badge-level-medio {
  background-color: var(--color-info-bg);
  color: var(--color-info-text);
}

.badge-level-apoyo {
  background-color: var(--color-warning-bg);
  color: var(--color-warning-text);
}

.badge-neae {
  background-color: rgba(236, 72, 153, 0.18);
  color: #db2777;
}

.desk-student-name {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
  margin: 0.25rem 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* Pestaña: Grupos Cooperativos Kagan */
.coop-groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

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

.team-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.team-card-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

.team-members-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.team-member-item {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.65rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.member-info {
  display: flex;
  flex-direction: column;
}

.member-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-main);
}

.member-role-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--accent-primary);
}

/* Pestaña: Gestión de Alumnado */
.students-table-container {
  width: 100%;
  overflow-x: auto;
}

.student-tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.75rem;
}

/* Modales canónicos */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(11, 15, 23, 0.7);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

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

.modal-dialog {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
}

.btn-close-modal {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
}

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

.modal-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* Guía SEO */
.seo-guide-section {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 2rem;
}

.seo-guide-section h2 {
  font-size: 1.25rem;
  margin-top: 0;
  margin-bottom: 1rem;
}

.seo-guide-section h3 {
  font-size: 1.0625rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.seo-guide-section p,
.seo-guide-section li {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.seo-faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
}

.seo-faq-item:last-child {
  border-bottom: none;
}

.seo-faq-question {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

/* Impresión A4 de plano de clase */
@media print {
  body {
    background-color: #ffffff !important;
    color: #000000 !important;
  }

  .app-header,
  .suite-nav-bar,
  .tools-ad-banner-section,
  .tool-ad-sidebar,
  .fijate-footer,
  .tool-tabs-wrapper,
  .config-top-card,
  .card-header-actions,
  .btn-primary,
  .btn-secondary,
  .btn-danger-outline,
  .seo-guide-section,
  .modal-backdrop {
    display: none !important;
  }

  .tool-layout {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }

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

  .classroom-stage-container {
    background-color: #ffffff !important;
    border: 1px solid #000000 !important;
    padding: 1cm !important;
  }

  .blackboard-banner {
    background-color: #222222 !important;
    color: #ffffff !important;
  }

  .desk-card {
    border: 1px solid #000000 !important;
    background-color: #ffffff !important;
    box-shadow: none !important;
    page-break-inside: avoid;
  }
}

@media (max-width: 768px) {
  .desks-grid-parejas {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .desks-grid-filas {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .card-header-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .card-header-actions {
    width: 100%;
  }

  .btn-primary,
  .btn-secondary,
  .btn-danger-outline {
    width: 100%;
    min-height: 42px;
  }
}