/* Sección 4: Copiloto (sigue el tema claro/oscuro) */
.section-title {
  margin-top: 1.2rem;
  max-width: 17em;
  font: 700 clamp(2rem, 5.2vw, 4rem) / 1.05 var(--font-display);
  letter-spacing: -0.034em;
  text-wrap: balance;
}
.section-lede {
  max-width: 36rem;
  margin-top: 1.2rem;
  color: var(--text-2);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
}

.copilot {
  position: relative;
  padding-block: clamp(4.5rem, 9vw, 8rem);
  overflow: clip;
  border-top: 1px solid var(--line);
  isolation: isolate;
}
.copilot::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  z-index: -1;
  height: 620px;
  background: radial-gradient(ellipse 46% 60% at 50% 0%, color-mix(in srgb, var(--ember) 24%, transparent), transparent 72%),
    radial-gradient(ellipse 70% 70% at 50% 0%, color-mix(in srgb, var(--crimson) 10%, transparent), transparent 76%);
  pointer-events: none;
}
.copilot-head { display: flex; flex-direction: column; align-items: center; text-align: center; }
.readonly-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.5rem;
  padding: 0.55rem 1.05rem;
  border: 1px solid color-mix(in srgb, var(--pos) 35%, var(--line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--pos) 10%, transparent);
  color: var(--pos);
  font-size: 0.86rem;
  font-weight: 500;
}
.readonly-badge .ico { width: 1em; height: 1em; }

.chat {
  max-width: 920px;
  margin: clamp(2rem, 4vw, 3.4rem) auto 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--bg-2);
  box-shadow: var(--shadow-frame);
}
.chat-bar {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.85rem 1.15rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-3) 55%, var(--bg-2));
}
.chat-title { display: inline-flex; align-items: center; gap: 0.6rem; font: 700 0.95rem/1 var(--font-display); letter-spacing: -0.01em; }
.chat-mark { width: 18px; height: 18px; color: var(--text); }
.chat-status { display: inline-flex; align-items: center; gap: 0.45rem; margin-left: auto; color: var(--text-2); font: 500 0.72rem/1 var(--font-mono); letter-spacing: 0.04em; text-transform: uppercase; }
.chat-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--pos); box-shadow: 0 0 10px var(--pos); }

.chat-body { display: grid; padding: clamp(1rem, 2.6vw, 1.9rem); }
.qa {
  display: flex;
  flex-direction: column;
  grid-area: 1 / 1;
  gap: 1.2rem;
  min-width: 0;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}
.qa.is-on { visibility: visible; opacity: 1; pointer-events: auto; }
.msg { display: flex; align-items: flex-start; gap: 0.8rem; min-width: 0; }
.msg--user { justify-content: flex-end; }
.msg--user p {
  max-width: min(34rem, 88%);
  padding: 0.8rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 18px 18px 4px 18px;
  background: var(--bg-3);
  line-height: 1.5;
}
.bot-avatar {
  display: grid;
  flex: none;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid color-mix(in srgb, var(--ember) 35%, var(--line));
  border-radius: 12px;
  background: color-mix(in srgb, var(--ember) 14%, transparent);
  color: var(--text);
}
.bot-avatar svg { width: 20px; height: 20px; }
.bot-card {
  flex: 1;
  min-width: 0;
  padding: 1.05rem 1.2rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 4px 18px 18px 18px;
  background: var(--bg);
}
.bot-card p { margin: 0 0 0.7rem; color: var(--text); line-height: 1.62; }
.hl { color: var(--ember-2); font-weight: 600; }
.lock-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.7rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--pos) 14%, transparent);
  color: var(--pos);
  font-size: 0.76rem;
  font-weight: 600;
}
.lock-tag .ico { width: 0.95em; height: 0.95em; }

.astats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0.7rem; margin: 0.9rem 0; }
.astat { padding: 0.8rem 0.95rem; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-2); transition: transform 0.35s var(--ease-out), border-color 0.25s; }
.astat:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--ember) 45%, var(--line)); }
.astat small { display: block; color: var(--text-3); font: 500 0.68rem/1.2 var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; }
.astat-line { display: block; margin-top: 0.35rem; }
.astat b { font: 500 1.55rem/1.1 var(--font-mono); letter-spacing: -0.03em; }
.astat em { margin-left: 0.35rem; color: var(--text-3); font-size: 0.78rem; font-style: normal; }
.astat--danger b { color: var(--danger-text); }
.astat--warn b { color: var(--warn-text); }
.astat--ok b { color: var(--pos); }
.astat--muted b { color: var(--text); }

.abars { display: grid; gap: 0.6rem; margin: 0.4rem 0 0.9rem; padding: 0; list-style: none; }
.abars li { display: grid; grid-template-columns: 74px minmax(0, 1fr) 40px; align-items: center; gap: 0.7rem; color: var(--text-2); font-size: 0.84rem; }
.abar { display: block; height: 8px; overflow: hidden; border-radius: 999px; background: var(--bg-3); }
.abar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--ember-2), var(--ember)); transform: scaleX(var(--w)); transform-origin: left; }
.abar--low i { background: linear-gradient(90deg, var(--ember), var(--crimson)); }
.abars em { color: var(--text); font: 500 0.8rem/1 var(--font-mono); font-style: normal; text-align: right; }

.asources { display: flex; flex-wrap: wrap; align-items: center; gap: 0.45rem; padding-top: 0.6rem; border-top: 1px solid var(--line); }
.src { padding: 0.3rem 0.65rem; border: 1px solid var(--line); border-radius: 999px; color: var(--text-2); font: 500 0.7rem/1.2 var(--font-mono); }
.calc-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  margin-left: auto;
  padding: 0 0.4rem;
  border: 0;
  background: none;
  color: var(--ember-2);
  font: 600 0.86rem/1 var(--font-body);
  cursor: pointer;
}
.calc-toggle .ico { width: 14px; height: 14px; transition: transform 0.3s var(--ease-out); }
.calc-toggle[aria-expanded="true"] .ico { transform: rotate(180deg); }
.acalc { display: grid; gap: 0.35rem; margin: 0 0 0.6rem; padding: 0.9rem 1rem; border: 1px dashed var(--line); border-radius: 12px; background: var(--bg-2); list-style: none; }
.acalc[hidden] { display: none; }
.acalc li { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 0.8rem; font-size: 0.82rem; line-height: 1.55; }
.acalc span { color: var(--text-3); }
.acalc b { color: var(--text); font: 400 0.8rem/1.55 var(--font-mono); }

.typing { display: none; gap: 5px; padding: 0.35rem 0 0.9rem; }
.typing.is-on { display: inline-flex; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--text-3); animation: bounce 1s infinite ease-in-out; }
.typing i:nth-child(2) { animation-delay: 0.15s; }
.typing i:nth-child(3) { animation-delay: 0.3s; }
@keyframes bounce { 0%, 60%, 100% { opacity: 0.35; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-4px); } }

.chat-input { display: flex; align-items: center; gap: 0.7rem; padding: 0.9rem 1.15rem; border-top: 1px solid var(--line); }
.composer {
  display: flex;
  flex: 1;
  align-items: center;
  min-width: 0;
  min-height: 48px;
  padding: 0 1rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg);
  color: var(--text-3);
  font-size: 0.95rem;
  white-space: nowrap;
  cursor: text;
  transition: border-color 0.25s;
}
.composer [data-typed] { overflow: hidden; text-overflow: ellipsis; }
.composer.has-text { color: var(--text); border-color: color-mix(in srgb, var(--ember) 50%, var(--line)); }
.composer.is-hint { color: var(--ember-2); }
.caret { display: none; width: 2px; height: 1.1em; margin-left: 2px; background: var(--ember); animation: caret 0.9s steps(1) infinite; }
.composer.is-typing .caret { display: block; }
@keyframes caret { 50% { opacity: 0; } }
.send { display: grid; flex: none; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--ember); color: var(--on-ember); transition: transform 0.2s; }
.send.is-pressed { transform: scale(0.9); }
.send .ico { width: 20px; height: 20px; stroke-width: 2.4; }

.suggest { padding: 1rem 1.15rem 1.25rem; border-top: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 55%, var(--bg-2)); }
.suggest-label { margin-bottom: 0.7rem; color: var(--text-3); font: 500 0.68rem/1 var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; }
.suggest-chips { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.suggest-chips button {
  min-height: 44px;
  padding: 0.5rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--text-2);
  font: 500 0.86rem/1.2 var(--font-body);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background-color 0.2s, transform 0.25s var(--ease-out);
}
.suggest-chips button:hover { color: var(--text); border-color: var(--ember-2); transform: translateY(-2px); }
.suggest-chips button[aria-pressed="true"] { border-color: var(--ember); background: var(--ember); color: var(--on-ember); font-weight: 600; }

.copilot-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
  max-width: 920px;
  margin: clamp(2rem, 4vw, 3rem) auto 0;
  padding: 0;
  list-style: none;
}
.copilot-points li { display: grid; align-content: start; gap: 0.5rem; padding: 1.2rem 1.25rem; border: 1px solid var(--line); border-radius: 16px; background: color-mix(in srgb, var(--bg-2) 60%, transparent); }
.copilot-points b { font: 700 1.02rem/1.25 var(--font-display); letter-spacing: -0.015em; }
.copilot-points li > span:last-child { color: var(--text-2); font-size: 0.9rem; line-height: 1.55; }
.pt-ico { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; background: color-mix(in srgb, var(--ember) 14%, transparent); color: var(--ember-2); }
.pt-ico .ico { width: 19px; height: 19px; }

@media (max-width: 760px) {
  .copilot-points { grid-template-columns: minmax(0, 1fr); }
  .chat-bar .demo-tag { display: none; }
  .msg--user p { max-width: 92%; }
  .bot-avatar { width: 30px; height: 30px; border-radius: 10px; }
  .bot-card { padding: 0.9rem 0.95rem 0.5rem; }
  .astats { grid-template-columns: minmax(0, 1fr); gap: 0.5rem; }
  .astat { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 0.6rem; padding: 0.65rem 0.85rem; }
  .astat-line { margin: 0; text-align: right; white-space: nowrap; }
  .astat b { font-size: 1.25rem; }
  .acalc li { grid-template-columns: minmax(0, 1fr); gap: 0.1rem; }
  .abars li { grid-template-columns: 64px minmax(0, 1fr) 36px; }
  .msg--user .avatar { display: none; }
  .suggest-chips button { font-size: 0.82rem; }
}

@media (prefers-reduced-motion: reduce) {
  .typing i, .caret { animation: none; }
}