:root {
  --primary-color: #0088cc;
  --primary-hover: #0077b5;
  --secondary-color: #5B5BD6;
  --success-color: #38c172;
  --danger-color: #e3342f;
  --warning-color: #f8ac59;
  --info-color: #2196F3;
  --light-bg: #f8fafc;
  --card-bg: #ffffff;
  --text-primary: #2d3748;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --border-color: #e2e8f0;
  --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --transition-speed: 0.3s;
  --border-radius: 0.5rem;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--light-bg);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  color: var(--primary-hover);
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

.page-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.header {
  background-color: var(--card-bg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 10;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary-color);
}

.logo i {
  font-size: 1.5rem;
  margin-right: 0.5rem;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: #edf2f7;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-weight: 500;
  border-radius: var(--border-radius);
  transition: all var(--transition-speed);
  cursor: pointer;
  border: none;
  outline: none;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-success {
  background-color: var(--success-color);
  color: white;
}

.btn-success:hover {
  background-color: #2fa360;
  transform: translateY(-1px);
}

.btn-danger {
  background-color: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background-color: #cc1f1a;
  transform: translateY(-1px);
}

.btn-warning {
  background-color: var(--warning-color);
  color: white;
}

.btn-warning:hover {
  background-color: #f59e0b;
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.btn-outline:hover {
  background-color: #f8fafc;
  transform: translateY(-1px);
}

.btn-icon {
  padding: 0.5rem;
  border-radius: 50%;
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1.125rem;
}

.btn-block {
  width: 100%;
}

/* Card Styles */
.card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

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

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-body {
  padding: 1.25rem;
}

.card-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-color);
  background-color: #f9fafb;
}

/* Form Elements */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
  background-color: var(--card-bg);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 136, 204, 0.1);
}

.form-control.is-invalid {
  border-color: var(--danger-color);
}

.form-text {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.invalid-feedback {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--danger-color);
}

/* Alert Component */
.alert {
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.alert-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.alert-content {
  flex: 1;
}

.alert-info {
  background-color: #ebf8ff;
  border-left: 4px solid var(--info-color);
  color: #2c5282;
}

.alert-success {
  background-color: #f0fff4;
  border-left: 4px solid var(--success-color);
  color: #276749;
}

.alert-warning {
  background-color: #fffaf0;
  border-left: 4px solid var(--warning-color);
  color: #975a16;
}

.alert-danger {
  background-color: #fff5f5;
  border-left: 4px solid var(--danger-color);
  color: #c53030;
}

/* Badge Component */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background-color: rgba(0, 136, 204, 0.1);
  color: var(--primary-color);
}

.badge-success {
  background-color: rgba(56, 193, 114, 0.1);
  color: var(--success-color);
}

.badge-danger {
  background-color: rgba(227, 52, 47, 0.1);
  color: var(--danger-color);
}

.badge-warning {
  background-color: rgba(248, 172, 89, 0.1);
  color: var(--warning-color);
}

.badge-info {
  background-color: rgba(33, 150, 243, 0.1);
  color: var(--info-color);
}

/* Status Indicators */
.status-indicator {
  display: inline-block;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  margin-right: 0.5rem;
}

.status-active {
  background-color: var(--success-color);
  box-shadow: 0 0 0 rgba(56, 193, 114, 0.4);
  animation: pulse 2s infinite;
}

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

.status-error {
  background-color: var(--danger-color);
}

.status-connecting {
  background-color: var(--warning-color);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(56, 193, 114, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(56, 193, 114, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(56, 193, 114, 0);
  }
}

/* Session Cards */
.session-card {
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  position: relative;
  z-index: 1;
}

.session-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  z-index: 2;
}

.session-info {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.session-info-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.session-actions {
  display: flex;
  gap: 0.5rem;
}

/* Message Cards */
.message-card {
  border-left: 4px solid transparent;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.message-card:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

.message-outgoing {
  border-left-color: var(--danger-color);
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.message-badges {
  display: flex;
  gap: 0.5rem;
}

.message-content {
  margin-bottom: 0.75rem;
}

.message-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
  max-width: 24rem;
}

.toast {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  margin-bottom: 1rem;
  overflow: hidden;
  transform: translateX(150%);
  transition: transform 0.3s ease-out;
  display: flex;
  align-items: center;
  padding: 1rem;
}

.toast.show {
  transform: translateX(0);
}

.toast-icon {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-right: 0.75rem;
}

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

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

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

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

.toast-content {
  flex: 1;
}

.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  margin-left: 0.5rem;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-speed);
}

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

/* Modal Styles */
.modal-backdrop {
  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: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-speed);
}

.modal-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  width: 28rem;
  max-width: 90%;
  transform: scale(0.9);
  transition: transform var(--transition-speed);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  overflow: hidden;
}

.modal-backdrop.show .modal {
  transform: scale(1);
}

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

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

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-speed);
}

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

.modal-body {
  padding: 1.25rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 1.25rem;
  border-top: 1px solid var(--border-color);
  background-color: #f9fafb;
}

/* Auth Pages */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
  background: linear-gradient(135deg, #0088cc 0%, #1e3c72 100%);
}

.auth-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  max-width: 24rem;
  width: 100%;
  padding: 2rem;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.auth-subtitle {
  color: var(--text-secondary);
}

.auth-form {
  margin-bottom: 1.5rem;
}

.auth-footer {
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Dashboard Grid Layout */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .dashboard-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr 2fr;
  }
}

/* Loaders */
.loader {
  border: 3px solid #f3f3f3;
  border-radius: 50%;
  border-top: 3px solid var(--primary-color);
  width: 2rem;
  height: 2rem;
  animation: spin 1s linear infinite;
}

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

.loading-overlay {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 12rem;
}

/* Multi-step Form */
.form-steps {
  position: relative;
  overflow: hidden;
}

.form-step {
  transition: all 0.3s ease;
}

.form-step.hidden {
  display: none;
}

.step-indicator {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
  flex: 1;
}

.step-number {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: #e2e8f0;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 0.5rem;
  transition: all 0.3s ease;
}

.step-title {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: center;
}

.step.active .step-number {
  background-color: var(--primary-color);
  color: white;
}

.step.active .step-title {
  color: var(--primary-color);
  font-weight: 600;
}

.step.completed .step-number {
  background-color: var(--success-color);
  color: white;
}

.step.completed .step-title {
  color: var(--success-color);
}

.step-connector {
  position: absolute;
  top: 1rem;
  left: 0;
  right: 0;
  height: 2px;
  background-color: #e2e8f0;
  z-index: 0;
}

.step-connector-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: var(--success-color);
  transition: width 0.3s ease;
}

/* Language Selector */
.language-selector {
  display: flex;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 0.5rem;
  padding: 0.25rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.language-btn {
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

/* Messages List */
.messages-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 40rem;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.messages-list::-webkit-scrollbar {
  width: 6px;
}

.messages-list::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}

.messages-list::-webkit-scrollbar-thumb {
  background: #c5c5c5;
  border-radius: 10px;
}

.messages-list::-webkit-scrollbar-thumb:hover {
  background: #a3a3a3;
}

/* Filters */
.filters-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

/* Empty States */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  text-align: center;
}

.empty-state-icon {
  font-size: 3rem;
  color: #cbd5e0;
  margin-bottom: 1.5rem;
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.empty-state-description {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  max-width: 24rem;
}

/* Utility Classes */
.d-flex {
  display: flex;
}

.align-center {
  align-items: center;
}

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

.flex-column {
  flex-direction: column;
}

.gap-1 {
  gap: 0.25rem;
}

.gap-2 {
  gap: 0.5rem;
}

.gap-3 {
  gap: 0.75rem;
}

.gap-4 {
  gap: 1rem;
}

.mb-1 {
  margin-bottom: 0.25rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-3 {
  margin-bottom: 0.75rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-5 {
  margin-bottom: 1.5rem;
}

.mt-1 {
  margin-top: 0.25rem;
}

.mt-2 {
  margin-top: 0.5rem;
}

.mt-3 {
  margin-top: 0.75rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mt-5 {
  margin-top: 1.5rem;
}

.text-sm {
  font-size: 0.875rem;
}

.text-xs {
  font-size: 0.75rem;
}

.text-lg {
  font-size: 1.125rem;
}

.text-xl {
  font-size: 1.25rem;
}

.text-2xl {
  font-size: 1.5rem;
}

.font-medium {
  font-weight: 500;
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

.text-center {
  text-align: center;
}

.hidden {
  display: none !important;
}

.w-full {
  width: 100%;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(0.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.3s ease-in-out forwards;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
  animation: shake 0.5s ease-in-out;
}

/* Responsive adjustments */
@media (max-width: 767px) {
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .btn-responsive {
    width: 100%;
  }

  .hide-on-mobile {
    display: none;
  }

  .session-info {
    flex-direction: column;
    gap: 0.5rem;
  }

  .filters-container {
    flex-direction: column;
  }

  .session-actions {
    flex-direction: column;
    width: 100%;
  }

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

/* Add these styles to styles.css */

/* Messages Search & Filters */
.messages-filters {
  margin-bottom: 1.5rem;
  padding: 0.5rem;
  background-color: #f9fafb;
  border-radius: var(--border-radius);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.search-container {
  margin-bottom: 1rem;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  color: var(--text-muted);
}

.search-input {
  width: 100%;
  padding: 0.75rem 2.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  transition: all 0.2s;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 136, 204, 0.1);
}

.clear-search-btn {
  position: absolute;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s;
}

.search-input:not(:placeholder-shown) + .clear-search-btn,
.clear-search-btn:hover {
  opacity: 1;
}

.filters-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.filter-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-label {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.filter-select {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: white;
  font-size: 0.875rem;
  min-width: 140px;
}

.button-group {
  display: flex;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.filter-btn {
  padding: 0.5rem 0.75rem;
  background-color: white;
  border: none;
  border-right: 1px solid var(--border-color);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.filter-btn:last-child {
  border-right: none;
}

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

.filter-btn:hover:not(.active) {
  background-color: #f3f4f6;
}

/* Mobile responsiveness */
@media (max-width: 640px) {
  .filters-toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .filter-group {
    width: 100%;
  }

  .filter-select {
    flex: 1;
  }

  .button-group {
    width: 100%;
  }

  .filter-btn {
    flex: 1;
    justify-content: center;
  }

  /* Fix for logout button on mobile */
  #logout-btn {
    padding: 0.5rem;
    min-width: 2.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
  }
}

@media (max-width: 767px) {
  .toast-container {
    position: fixed;
    top: auto;
    bottom: 1rem;
    right: 1rem;
    z-index: 9998; /* Ensure it's below the header's z-index */
    max-width: calc(100% - 2rem);
  }

  /* Make sure header has higher z-index than toast */
  .header {
    position: sticky;
    top: 0;
    z-index: 9999;
  }

  /* Improve logout button clickability on mobile */
  #logout-btn {
    position: relative;
    z-index: 10000; /* Higher than toast container and header */
  }

  /* Ensure proper spacing at the bottom of the page for the toast */
  .page-container {
    padding-bottom: 5rem;
  }
}