/**
 * CENTROMED - Componentes Reutilizables CSS
 * Centro de Especialidades Médicas El Eden
 * 
 * Componentes adicionales y estilos específicos
 * @version 1.0
 * @date 2025-10-22
 */

/* ==========================================
   MODALES
   ========================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease-in-out;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s ease-in-out;
}

.modal-overlay.active .modal {
  transform: scale(1);
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

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

.modal-body {
  padding: var(--spacing-lg);
}

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

/* ==========================================
   NOTIFICACIONES TOAST
   ========================================== */

.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  background-color: var(--surface-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  min-width: 300px;
  max-width: 400px;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  animation: slideIn 0.3s ease-out;
  border-left: 4px solid var(--primary-color);
}

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

.toast.toast-error {
  border-left-color: var(--error-color);
}

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

.toast.toast-info {
  border-left-color: var(--info-color);
}

.toast-icon {
  font-size: 1.5rem;
}

.toast-success .toast-icon {
  color: var(--success-color);
}

.toast-error .toast-icon {
  color: var(--error-color);
}

.toast-warning .toast-icon {
  color: var(--warning-color);
}

.toast-info .toast-icon {
  color: var(--info-color);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.toast-message {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.25rem;
  padding: 0;
}

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

/* ==========================================
   LOADING SPINNER
   ========================================== */

.spinner {
  border: 3px solid var(--border-color);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
}

/* ==========================================
   PAGINACIÓN
   ========================================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.pagination-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  background-color: var(--surface-color);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.pagination-btn.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

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

/* ==========================================
   SEARCH BAR
   ========================================== */

.search-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  transition: border-color var(--transition-fast);
}

.search-bar:focus-within {
  border-color: var(--primary-color);
}

.search-bar i {
  color: var(--text-secondary);
}

.search-input {
  flex: 1;
  border: none;
  background: none;
  color: var(--text-primary);
  outline: none;
}

.search-input::placeholder {
  color: var(--text-secondary);
}

/* ==========================================
   TABS
   ========================================== */

.tabs {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: var(--spacing-lg);
}

.tab {
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  font-weight: 500;
  transition: all var(--transition-fast);
}

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

.tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ==========================================
   DROPDOWN MENU
   ========================================== */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-toggle {
  cursor: pointer;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--spacing-sm);
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 1000;
}

.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--text-primary);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

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

.dropdown-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: var(--spacing-sm) 0;
}

/* ==========================================
   STATS CARDS (Dashboard)
   ========================================== */

.stat-card {
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  transition: transform var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.stat-icon.primary {
  background-color: rgba(107, 114, 128, 0.1);
  color: var(--primary-color);
}

.stat-icon.success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

.stat-icon.warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--warning-color);
}

.stat-icon.info {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--info-color);
}

.stat-info {
  flex: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-change {
  font-size: 0.85rem;
  margin-top: var(--spacing-xs);
}

.stat-change.positive {
  color: var(--success-color);
}

.stat-change.negative {
  color: var(--error-color);
}

/* ==========================================
   ALERTS
   ========================================== */

.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  border-left: 4px solid var(--success-color);
  color: var(--success-color);
}

.alert-error {
  background-color: rgba(239, 68, 68, 0.1);
  border-left: 4px solid var(--error-color);
  color: var(--error-color);
}

.alert-warning {
  background-color: rgba(245, 158, 11, 0.1);
  border-left: 4px solid var(--warning-color);
  color: var(--warning-color);
}

.alert-info {
  background-color: rgba(59, 130, 246, 0.1);
  border-left: 4px solid var(--info-color);
  color: var(--info-color);
}

.alert-icon {
  font-size: 1.25rem;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

/* ==========================================
   EMPTY STATE
   ========================================== */

.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
}

.empty-state-icon {
  font-size: 4rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.empty-state-message {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* ==========================================
   LOGIN PAGE
   ========================================== */

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  padding: var(--spacing-lg);
}

.login-card {
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl);
  max-width: 400px;
  width: 100%;
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-logo {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.login-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.login-footer {
  margin-top: var(--spacing-lg);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.login-card .alert {
  border-radius: var(--radius-md);
  animation: slideInDown 0.3s ease-out;
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-card .form-control {
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
}

.login-card .btn-primary {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.login-card .btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.login-card .btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.login-card code {
  background: var(--hover-color);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-family: 'Courier New', monospace;
  color: var(--primary-color);
  font-weight: 600;
}