/* ==========================================================================
   ESTILOS DEDICADOS: GENERADOR DE EQUIPOS Y GRUPOS ALEATORIOS
   ========================================================================== */

.groups-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Tarjeta Principal de Configuración */
.groups-config-card {
  background-color: var(--container-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 24px;
  margin-bottom: 28px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

@media (max-width: 768px) {
  .groups-config-card {
    padding: 18px;
  }
}

.groups-form-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
}

@media (max-width: 820px) {
  .groups-form-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.groups-step-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Textarea Envolvente con Contador Flotante */
.groups-textarea-wrapper {
  position: relative;
  width: 100%;
}

.groups-textarea {
  width: 100%;
  min-height: 220px;
  padding: 14px 16px;
  padding-bottom: 38px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--page-bg);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.92rem;
  line-height: 1.5;
  resize: vertical;
  outline: none;
  transition: var(--transition);
}

.groups-textarea:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(255, 0, 85, 0.12);
}

.groups-count-badge {
  position: absolute;
  bottom: 12px;
  right: 14px;
  background-color: rgba(255, 0, 85, 0.12);
  color: var(--primary-blue);
  font-size: 0.8rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 50px;
  pointer-events: none;
  user-select: none;
}

.groups-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 8px;
  line-height: 1.4;
}

/* Opciones de División (Radio Buttons Estilizados) */
.groups-split-options {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.groups-radio-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  user-select: none;
}

.groups-radio-label input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  outline: none;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
  margin: 0;
  display: grid;
  place-content: center;
}

.groups-radio-label input[type="radio"]:checked {
  border-color: var(--primary-blue);
}

.groups-radio-label input[type="radio"]:checked::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--primary-blue);
}

.groups-select-input,
.groups-text-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--page-bg);
  color: var(--text-main);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.groups-select-input:focus,
.groups-text-input:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(255, 0, 85, 0.12);
}

/* Barra de Botones de Acción */
.groups-actions-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  margin-top: 24px;
}

.groups-btn-clear {
  background: transparent;
  border: none;
  color: var(--primary-blue);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.groups-btn-clear:hover {
  background-color: rgba(255, 0, 85, 0.08);
}

.groups-btn-submit {
  background-color: var(--primary-blue);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 800;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(255, 0, 85, 0.28);
}

.groups-btn-submit:hover {
  background-color: var(--primary-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 0, 85, 0.38);
}

/* ==========================================================================
   SECCIÓN DE RESULTADOS DE EQUIPOS
   ========================================================================== */
.groups-results-box {
  background-color: var(--container-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 32px;
}

@media (max-width: 768px) {
  .groups-results-box {
    padding: 18px;
  }
}

.groups-results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.groups-results-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 2px;
}

.groups-results-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
}

.groups-toolbar-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Grilla de Equipos Generados */
.groups-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.group-team-card {
  background-color: var(--page-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.group-team-card:hover {
  border-color: var(--primary-blue);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.group-team-header {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  background: rgba(255, 0, 85, 0.05);
}

.group-team-name {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.group-team-badge {
  font-size: 0.75rem;
  font-weight: 800;
  background-color: var(--container-bg);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 50px;
}

.group-team-body {
  padding: 14px 16px;
}

.group-team-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.group-member-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-main);
  padding: 6px 10px;
  background-color: var(--container-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.group-member-num {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-muted);
  width: 18px;
  flex-shrink: 0;
}

.group-member-name {
  font-weight: 600;
  flex: 1;
  word-break: break-word;
}

.group-leader-badge {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #ffffff;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 50px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.3);
}

/* Modal de Exportación de Imagen de Equipos */
.groups-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 9999;
  backdrop-filter: blur(4px);
}

.groups-modal-card {
  background-color: var(--container-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

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

.groups-modal-body {
  padding: 20px;
  overflow-y: auto;
  text-align: center;
}

.groups-modal-img {
  max-width: 100%;
  max-height: 380px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.groups-modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}