@import url('./global.css');

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

.main {
  display: flex;
  flex: 1;
  flex-direction: column;
  width: min(100%, 72rem);
  min-height: 100vh;
  margin: 0 auto;
  padding: 2rem clamp(1rem, 4vw, 3rem);
}

.title {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  letter-spacing: -0.04em;
}

.conversation {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 1rem;
  min-height: 0;
  padding: 2.5rem 0;
  overflow-y: auto;
}

.empty-state {
  margin: auto;
  color: var(--color-text-muted);
  text-align: center;
}

.message {
  align-self: flex-start;
  width: fit-content;
  max-width: min(85%, 44rem);
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-assistant-surface);
}

.message--user {
  align-self: flex-end;
  border-color: transparent;
  background: var(--color-user-surface);
}

.message__label {
  margin: 0 0 0.35rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.message--user .message__label {
  color: rgba(255, 255, 255, 0.72);
}

.message__text {
  margin: 0;
  line-height: 1.55;
  white-space: pre-wrap;
}

.message--loading .message__text::after {
  display: inline-block;
  width: 1.25rem;
  content: '';
  animation: blink 1s steps(2, start) infinite;
}

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

.message--error .message__text {
  color: var(--color-error);
}

.input-block {
  display: flex;
  gap: 0.75rem;
  width: 100%;
  margin-top: auto;
  padding-top: 2rem;
}

.input {
  flex: 1;
  min-width: 0;
  min-height: 3.5rem;
  padding: 0 1.125rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 160ms ease, box-shadow 160ms ease,
    background-color 160ms ease;
}

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

.input:hover {
  background: var(--color-surface-hover);
}

.input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 0.25rem var(--color-focus);
}

.button {
  min-height: 3.5rem;
  padding: 0 1.25rem;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  box-shadow: var(--shadow-button);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  transition: background-color 160ms ease, transform 160ms ease,
    box-shadow 160ms ease;
}

.button:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 1rem 2rem rgba(80, 55, 190, 0.34);
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button:disabled {
  cursor: wait;
  opacity: 0.7;
  transform: none;
}

.button:focus-visible {
  outline: 0.2rem solid var(--color-text);
  outline-offset: 0.15rem;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@media (max-width: 30rem) {
  .main {
    padding: 1.25rem 1rem;
  }

  .input-block {
    gap: 0.5rem;
  }

  .button {
    padding: 0 1rem;
  }
}