@font-face {
  font-family: "Balto";
  src: url("/fonts/fonnts.com-Balto_Medium.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Libertinus Sans";
  src: url("/fonts/LibertinusSans-Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #1c1c1c;
  --bg-raised: #262626;
  --border: #3a3a3a;
  --text: #f4f4f2;
  --text-muted: #b5b5b0;
  --accent: #ff7a29;
  --accent-text: #1c1c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Libertinus Sans", Georgia, serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 16px 100px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  text-align: center;
  margin-bottom: 16px;
}

h1 {
  margin: 0;
  font-family: "Balto", "Libertinus Sans", sans-serif;
  font-weight: 500;
  font-size: 1.9rem;
  color: var(--text);
}

.subtitle {
  margin: 4px 0 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.disclaimer {
  background: var(--bg-raised);
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.82rem;
  line-height: 1.5;
  margin-bottom: 20px;
  color: var(--text);
}

.disclaimer strong {
  color: var(--accent);
  font-family: "Balto", "Libertinus Sans", sans-serif;
  font-weight: 500;
}

.disclaimer a {
  color: var(--accent);
}

.messages {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.message {
  padding: 10px 14px;
  border-radius: 14px;
  max-width: 85%;
  line-height: 1.45;
  font-size: 0.95rem;
  white-space: pre-wrap;
}

.message.user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--accent-text);
}

.message.bot {
  align-self: flex-start;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--text);
}

.message.error {
  align-self: flex-start;
  background: #3a2420;
  border: 1px solid #7a3b26;
  color: #ffb18f;
}

.chat-form {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 12px 16px 20px;
  display: flex;
  gap: 8px;
  max-width: 640px;
  margin: 0 auto;
}

#question-input {
  flex: 1;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  font-family: "Libertinus Sans", Georgia, serif;
  font-size: 0.95rem;
}

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

#question-input:focus {
  outline: none;
  border-color: var(--accent);
}

.chat-form button {
  padding: 12px 20px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: var(--accent-text);
  font-family: "Balto", "Libertinus Sans", sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
}

.chat-form button:hover:not(:disabled) {
  background: #ff8a44;
}

.chat-form button:disabled {
  opacity: 0.5;
  cursor: default;
}