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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  height: 100vh;
  overflow: hidden;
}

/* Chat Item Styles */
.chat-item {
  cursor: pointer;
  transition: background-color 0.2s;
}

.chat-item:hover {
  background-color: #e9ecef;
}

.chat-item.active {
  background-color: #0d6efd !important;
  color: white !important;
}

/* Message Styles */
.message {
  animation: slideIn 0.2s ease-out;
}

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

.message .bg-primary {
  word-wrap: break-word;
  word-break: break-word;
}

.message .bg-white {
  border: 1px solid #dee2e6;
  word-wrap: break-word;
  word-break: break-word;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* Login Page */
.min-vh-100 {
  min-height: 100vh;
}

/* Utility Classes */
.cursor-pointer {
  cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
  .col-md-3 {
    width: 100%;
    max-width: 300px;
  }

  .message > div {
    max-width: 85% !important;
  }
}

/* Admin Panel Tabs */
.nav-tabs .nav-link {
  color: #495057;
}

.nav-tabs .nav-link.active {
  color: #0d6efd;
  font-weight: 600;
}

/* Table Styles */
.table {
  font-size: 0.9rem;
}

.table th {
  background-color: #f8f9fa;
  font-weight: 600;
}

/* Card Styles */
.card {
  border: none;
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.card-header {
  background-color: #f8f9fa;
  border-bottom: 1px solid #dee2e6;
  font-weight: 600;
}

/* Form Styles */
.form-control:focus {
  border-color: #0d6efd;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Button Styles */
.btn {
  transition: all 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.15);
}

/* Badge Styles */
.badge {
  font-weight: 500;
  padding: 0.35em 0.65em;
}

/* Messages Area */
#messagesArea,
#adminMessagesArea {
  min-height: 400px;
}

/* Empty State */
.text-muted {
  color: #6c757d !important;
}

/* Login Card Shadow */
.card.shadow {
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

/* Navbar */
.navbar-brand {
  font-weight: 600;
  font-size: 1.25rem;
}

/* Alert Animations */
.alert {
  animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}