/* --- Global Theme Variables ------------------------------------------------ */
:root {
  --primary-color: #1f2937;
  --secondary-color: #0d6efd;
  --accent-color: #00d1b2;
  --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

body {
  background: var(--bg-gradient);
  min-height: 100vh;
  font-family: "Roboto", "Segoe UI", Tahoma, sans-serif;
  animation: fadeIn 0.6s ease-in-out;
}

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

/* --- Navigation Bar ------------------------------------------------------- */
.navbar {
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand .bank-icon {
  width: 24px;
  height: 24px;
}

.navbar-brand:hover .bank-icon {
  animation: bounce 0.6s;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

.nav-link {
  color: #f8f9fa;
  transition: color 0.2s ease-in-out;
}

.nav-link:hover {
  color: var(--accent-color);
}

/* --- Card Styling --------------------------------------------------------- */
.card {
  border: none;
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}
.card .list-group-item {
  border: 0;
  border-top: 1px solid #eee;
}

/* --- Buttons -------------------------------------------------------------- */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  transition: background-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.btn-primary:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.25rem rgba(0, 165, 207, 0.5);
}

pre {
  font-family: monospace;
  font-size: 0.9rem;
}

/* --- Chat Interface ------------------------------------------------------ */
.chat-window {
  max-height: 400px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.chat-message {
  display: flex;
}

.chat-message.user {
  justify-content: flex-end;
}

.chat-bubble {
  max-width: 75%;
  padding: 0.5rem 0.75rem;
  border-radius: 0.75rem;
}

.chat-message.user .chat-bubble {
  background-color: var(--secondary-color);
  color: #fff;
  border-bottom-right-radius: 0;
}

.chat-message.admin .chat-bubble {
  background-color: #e9ecef;
  border-bottom-left-radius: 0;
}