/* =========================
   RESET BÁSICO
========================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #fafafa;
  color: #111;
  line-height: 1.6;
}

/* =========================
   HEADER
========================= */
.header {
  text-align: center;
  padding: 2rem 1rem 1rem;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.brand img {
  width: 56px;
  height: 56px;
}

.brand h1 {
  font-size: 2rem;
  font-weight: 600;
}

.tagline {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: #666;
}

/* =========================
   AYUDA
========================= */
.help {
  max-width: 720px;
  margin: 1.5rem auto;
  padding: 1rem;
  border-top: 1px solid #e5e5e5;
}

.help h2 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.help ul {
  list-style: none;
  padding-left: 0;
}

.help li {
  font-size: 0.9rem;
  color: #333;
}

.limit {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: #a00;
}

/* =========================
   PROMPTS
========================= */
.prompts {
  max-width: 720px;
  margin: 1rem auto;
  padding: 0 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.prompts button {
  background: transparent;
  border: 1px solid #ddd;
  padding: 0.4rem 0.7rem;
  font-size: 0.8rem;
  cursor: pointer;
  border-radius: 4px;
}

.prompts button:hover {
  border-color: #c00;
  color: #c00;
}

/* =========================
   CHAT
========================= */
.chat {
  max-width: 720px;
  margin: 1rem auto;
  padding: 1rem;
  background: #fff;
  border: 1px solid #e5e5e5;
}

.chat-log {
  min-height: 220px;
  margin-bottom: 1rem;
}

.message {
  margin-bottom: 0.75rem;
}

.message .name {
  font-size: 0.75rem;
  color: #888;
  display: block;
}

.message p {
  font-size: 0.95rem;
}

.message.mapache p {
  color: #111;
}

.message.user p {
  color: #000;
}

/* =========================
   FORMULARIO
========================= */
.chat-form {
  display: flex;
  gap: 0.5rem;
}

.chat-form input {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid #ddd;
  font-size: 0.9rem;
}

.chat-form input:focus {
  outline: none;
  border-color: #c00;
}

.chat-form button {
  padding: 0.5rem 1rem;
  background: #c00;
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
}

.chat-form button:hover {
  background: #a00;
}

/* =========================
   FOOTER
========================= */
.footer {
  text-align: center;
  margin: 2rem 0 1rem;
  font-size: 0.8rem;
  color: #666;
}