/* ==========================================================================
   BuenLex - Componentes de Interfaz, Botones, Formularios y Modales
   ========================================================================== */

/* Botones y Elementos Interactivos */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
}

.btn-primary {
  background: linear-gradient(135deg, #c1282d, #9b1e22);
  color: #ffffff;
  border-color: #c1282d;
  box-shadow: 0 2px 6px rgba(193, 40, 45, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ef1c25, #c1282d);
  border-color: #ef1c25;
  box-shadow: 0 4px 14px rgba(239, 28, 37, 0.45);
  transform: translateY(-1px);
}

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

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

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

.btn-outline:hover {
  background-color: var(--bg-card);
  border-color: var(--primary);
  color: var(--primary);
}

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

.btn-ghost:hover {
  color: var(--text-primary);
  background-color: var(--bg-card);
}

.btn-icon {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

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

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: #dc2626;
  color: #ffffff;
  border-color: #ef4444;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
}

/* Botón de alternancia de tema */
#btn-theme-toggle {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  user-select: none;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1),
              background-color 0.2s ease,
              border-color 0.2s ease,
              color 0.2s ease,
              box-shadow 0.2s ease;
}

#btn-theme-toggle:hover {
  transform: scale(1.08);
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(193, 40, 45, 0.25);
}

#btn-theme-toggle:active {
  transform: scale(0.92);
}

#btn-theme-toggle svg {
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.2s ease;
}

.icon-sun {
  color: #f59e0b;
}

.icon-moon {
  color: #c1282d;
}

/* Barra de Herramientas */
.tools-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.action-buttons-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.view-mode-toggle {
  display: flex;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2px;
}

.btn-toggle {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

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

/* Buscador y Filtros */
.search-filter-section {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 1.1rem;
  color: var(--text-muted, #94a3b8);
  pointer-events: none;
  transition: color 0.2s ease;
  z-index: 2;
}

.search-wrapper input[type="search"] {
  width: 100%;
  padding: 0.9rem 3rem 0.9rem 3.2rem;
  background-color: var(--bg-surface, #1e293b);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.12));
  border-radius: var(--radius-lg, 12px);
  color: var(--text-primary, #f8fafc);
  font-size: 0.95rem;
  font-family: var(--font-body, inherit);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.search-wrapper input[type="search"]::placeholder {
  color: #64748b;
  font-size: 0.9rem;
}

.search-wrapper input[type="search"]:focus {
  outline: none;
  background-color: var(--bg-card);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light), 0 4px 16px rgba(0, 0, 0, 0.15);
}

.search-wrapper input[type="search"]:focus + .search-icon,
.search-wrapper:focus-within .search-icon {
  color: var(--primary);
}

.clear-search-btn {
  position: absolute;
  right: 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted, #94a3b8);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 2;
}

.clear-search-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  transform: scale(1.1);
}

/* Dropdown de Resultados en Vivo */
.search-dropdown-container {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg, 12px);
  box-shadow: var(--shadow-lg);
  max-height: 420px;
  overflow-y: auto;
  z-index: 999;
  backdrop-filter: blur(12px);
  padding: 0.5rem 0;
}

.search-dropdown-header {
  padding: 0.6rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.search-dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.search-dropdown-item:last-child {
  border-bottom: none;
}

.search-dropdown-item:hover {
  background-color: var(--bg-card-hover);
}

.search-dropdown-main {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.search-dropdown-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.search-dropdown-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.search-dropdown-badge {
  background: var(--primary-light);
  border: 1px solid rgba(193, 40, 45, 0.25);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
}

.search-dropdown-status {
  padding: 0.2rem 0.5rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.search-dropdown-footer {
  padding: 0.75rem 1rem;
  text-align: center;
  border-top: 1px solid var(--border-color);
  background: var(--bg-main);
}

.search-dropdown-footer button {
  background: transparent;
  border: none;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s ease;
}

.search-dropdown-footer button:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.search-dropdown-empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Filtros Avanzados */
.filters-scroll {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.filter-pill-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 4px;
}

.filter-group-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.filter-chip {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.filter-chip:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
}

.filter-chip.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  font-weight: 600;
}

.filter-dropdown-group {
  display: flex;
  gap: 0.5rem;
}

.select-filter, .form-control {
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.8rem;
  font-size: 0.85rem;
  font-family: var(--font-body);
}

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

/* Colores de Badges por Estado Legal */
.badge-tramite { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-admitida { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.badge-preliminar { background: rgba(168, 85, 247, 0.15); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }
.badge-juicio { background: rgba(249, 115, 22, 0.15); color: #fb923c; border: 1px solid rgba(249, 115, 22, 0.3); }
.badge-audiencia { background: rgba(139, 92, 246, 0.15); color: #a78bfa; border: 1px solid rgba(139, 92, 246, 0.3); }
.badge-pruebas { background: rgba(249, 115, 22, 0.15); color: #fb923c; border: 1px solid rgba(249, 115, 22, 0.3); }
.badge-resolucion { background: rgba(6, 182, 212, 0.15); color: #22d3ee; border: 1px solid rgba(6, 182, 212, 0.3); }
.badge-favorable { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-contra { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-convenio { background: rgba(20, 184, 166, 0.15); color: #2dd4bf; border: 1px solid rgba(20, 184, 166, 0.3); }
.badge-suspendido { background: rgba(107, 114, 128, 0.15); color: #9ca3af; border: 1px solid rgba(107, 114, 128, 0.3); }
.badge-concluido { background: rgba(71, 85, 105, 0.2); color: #cbd5e1; border: 1px solid rgba(148, 163, 184, 0.3); }

/* Modales & Ventanas Emergentes */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 1;
  transition: var(--transition);
}

.modal-overlay.hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.modal-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-card.modal-lg {
  max-width: 760px;
}

@keyframes modalIn {
  from { transform: scale(0.96) translateY(8px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-subtitle {
  font-size: 0.825rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
}

.modal-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Formularios */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-row .form-group {
  margin-bottom: 0;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

.form-control {
  width: 100%;
}

textarea.form-control {
  resize: vertical;
  min-height: 75px;
}

/* Previsualización dinámica de expediente */
.expediente-preview-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 0.95rem;
  background: var(--primary-light);
  border: 1px dashed rgba(193, 40, 45, 0.4);
  border-radius: var(--radius-md);
  margin-top: -0.25rem;
  margin-bottom: 1rem;
}

.preview-banner-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.preview-banner-badge {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(193, 40, 45, 0.15);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.03em;
  transition: var(--transition);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 2000;
}

.toast {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  animation: toastSlide 0.25s ease-out;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--primary); }

@keyframes toastSlide {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Clases de Utilidad */
.hidden { display: none !important; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.text-sm { font-size: 0.8rem; }
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }

/* Responsive Breakpoints (Móviles y Tablets) */
@media (max-width: 768px) {
  .app-container {
    padding: 0 0.85rem 5.5rem 0.85rem;
  }

  .top-header {
    padding: 0.85rem 0;
  }

  .brand-title {
    font-size: 1.25rem;
  }

  .hide-mobile {
    display: none !important;
  }

  .mobile-bottom-nav {
    display: flex;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
  }

  .metric-card {
    padding: 0.85rem 1rem;
  }

  .metric-value {
    font-size: 1.4rem;
  }

  .metric-icon {
    width: 38px;
    height: 38px;
    font-size: 1.2rem;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .form-row .form-group {
    margin-bottom: 1rem;
  }

  .toast-container {
    bottom: 5rem;
    right: 1rem;
    left: 1rem;
  }
}