:root {
  color-scheme: light dark;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: #0f172a;
  background-image: radial-gradient(circle at top, rgba(79, 70, 229, 0.22), transparent 55%);
  color: #e2e8f0;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.app {
  width: min(920px, 94vw);
  min-height: 90vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 1.5rem;
  padding: 2rem;
  border-radius: 1.5rem;
  background: rgba(15, 23, 42, 0.86);
  box-shadow: 0 24px 80px rgba(15, 20, 50, 0.45);
  backdrop-filter: blur(16px);
}

.header__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.app__header h1 {
  margin: 0;
  font-size: 1.8rem;
}

.app__header p {
  margin-top: 0.35rem;
  color: #c7d2fe;
}

.settings-toggle {
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(129, 140, 248, 0.3);
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 1.2rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
  color: inherit;
}

.settings-toggle:hover {
  background: rgba(99, 102, 241, 0.35);
  transform: scale(1.05);
}

.settings-panel {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: 0.75rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.settings-panel h3 {
  margin: 0 0 1rem 0;
  font-size: 1rem;
  color: #c7d2fe;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.setting-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.setting-field label {
  font-size: 0.85rem;
  color: rgba(148, 163, 184, 0.9);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.setting-field input[type="text"],
.setting-field select {
  border-radius: 0.5rem;
  padding: 0.6rem 0.85rem;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(15, 23, 42, 0.65);
  color: inherit;
  font-size: 0.95rem;
}

.setting-field input[type="text"]:focus,
.setting-field select:focus {
  outline: 2px solid rgba(129, 140, 248, 0.5);
  outline-offset: 1px;
  border-color: rgba(129, 140, 248, 0.4);
}

.transcript {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-right: 0.5rem;
}

.message {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1rem 1.25rem;
  border-radius: 1rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(99, 102, 241, 0.12);
}

.message.user {
  align-self: flex-end;
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(96, 165, 250, 0.4);
}

.message__meta {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(148, 163, 184, 0.85);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.message__metadata {
  font-size: 0.7rem;
  font-weight: 400;
  color: rgba(148, 163, 184, 0.6);
  text-transform: none;
  letter-spacing: normal;
  margin-left: auto;
}

.message__content {
  white-space: pre-wrap;
  line-height: 1.55;
  color: #eef2ff;
}

.message__timestamp {
  font-size: 0.7rem;
  color: rgba(148, 163, 184, 0.7);
  margin-top: 0.5rem;
  padding-top: 0.25rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
}

.message.assistant .message__timestamp {
  /* Slightly brighter for assistant messages to highlight latency */
  color: rgba(148, 163, 184, 0.85);
  font-weight: 500;
}

.composer {
  display: flex;
  gap: 0.75rem;
}

.composer input[type="text"] {
  flex: 1;
  border-radius: 999px;
  padding: 0.85rem 1.25rem;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(15, 23, 42, 0.65);
  color: inherit;
  font-size: 1rem;
}

.composer input[type="text"]:focus {
  outline: 2px solid rgba(129, 140, 248, 0.5);
  outline-offset: 1px;
}

.composer button {
  border: none;
  border-radius: 999px;
  padding: 0 1.5rem;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.composer button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(99, 102, 241, 0.35);
}

.composer button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.carousel {
  margin: 1rem 0;
  padding: 1rem;
  border-radius: 1rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(99, 102, 241, 0.12);
}

.carousel__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: #c7d2fe;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.carousel__container {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(99, 102, 241, 0.3) transparent;
}

.carousel__container::-webkit-scrollbar {
  height: 8px;
}

.carousel__container::-webkit-scrollbar-track {
  background: transparent;
}

.carousel__container::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: 4px;
}

.carousel__scroll {
  display: flex;
  gap: 1rem;
  padding-bottom: 0.5rem;
}

.card {
  flex: 0 0 280px;
  border-radius: 0.75rem;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.2);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(99, 102, 241, 0.2);
  border-color: rgba(129, 140, 248, 0.4);
}

.card__image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
  display: block;
  border: none;
}

.card__image:not([src]),
.card__image[src=""] {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card__content {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card__title {
  font-size: 1rem;
  font-weight: 600;
  color: #eef2ff;
  line-height: 1.4;
}

.card__price {
  font-size: 0.9rem;
  font-weight: 600;
  color: #818cf8;
}

.card__clinic {
  font-size: 0.85rem;
  color: rgba(148, 163, 184, 0.9);
}

@media (max-width: 768px) {
  .app {
    padding: 1.5rem;
    min-height: 100vh;
    border-radius: 0;
  }

  .header__top {
    flex-direction: column;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .card {
    flex: 0 0 240px;
  }

  .card__image {
    height: 150px;
  }
}