/* Mía: botón flotante y ventana de chat */
.mia {
  --m-bg: #141416; --m-bg2: #1C1C1F; --m-bg3: #26262A; --m-ink: #EDEBE6; --m-mute: #A0A0A7;
  --m-accent: #FF5A00; --m-line: rgba(237,235,230,.14); --m-ease: cubic-bezier(.16,1,.3,1);
  font-family: "Archivo", Arial, sans-serif; color: var(--m-ink);
}
.mia *, .mia *::before { box-sizing: border-box; }
.mia-fab {
  position: fixed; z-index: 180; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom));
  display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 20px;
  background: var(--m-bg); color: var(--m-ink); border: 1px solid var(--m-accent); cursor: pointer;
  font: 400 12.5px/1 "DM Mono", ui-monospace, Menlo, monospace; letter-spacing: .02em; text-transform: uppercase;
  box-shadow: 0 10px 34px rgba(0,0,0,.45); transition: background .3s, color .3s, transform .5s var(--m-ease);
}
.mia-fab i { width: 9px; height: 9px; border-radius: 50%; background: var(--m-accent); animation: mia-pulse 2.4s infinite; transition: background .3s; }
.mia-fab:hover { background: var(--m-accent); color: var(--m-bg); }
.mia-fab:hover i { background: var(--m-bg); }
.mia.is-open .mia-fab { transform: translateY(160%); visibility: hidden; }
@keyframes mia-pulse { 0% { box-shadow: 0 0 0 0 rgba(255,90,0,.6); } 70%, 100% { box-shadow: 0 0 0 10px rgba(255,90,0,0); } }

.mia-panel {
  position: fixed; z-index: 180; right: 16px; bottom: 16px; width: min(420px, calc(100vw - 32px)); height: min(640px, calc(100vh - 32px));
  display: flex; flex-direction: column; background: var(--m-bg2); border: 1px solid var(--m-line); box-shadow: 0 24px 70px rgba(0,0,0,.6);
  transform-origin: bottom right; transition: opacity .3s, transform .5s var(--m-ease), visibility .3s;
  opacity: 0; transform: translateY(16px) scale(.97); visibility: hidden;
}
.mia.is-open .mia-panel { opacity: 1; transform: none; visibility: visible; }
.mia-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; background: var(--m-accent); color: var(--m-bg); }
.mia-head b { display: block; font: 800 18px/1.1 "Monument", "Archivo", sans-serif; text-transform: uppercase; }
.mia-head span { font: 400 11px/1.3 "DM Mono", monospace; text-transform: uppercase; }
.mia-close { width: 44px; height: 44px; margin: -6px -8px -6px 0; background: none; border: 0; color: inherit; font-size: 26px; line-height: 1; cursor: pointer; }
.mia-log { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.mia-msg { max-width: 88%; padding: 10px 13px; font-size: 15px; line-height: 1.42; overflow-wrap: anywhere; }
.mia-msg p { margin: 0 0 .6em; } .mia-msg p:last-child { margin: 0; }
.mia-msg ul, .mia-msg ol { margin: 0 0 .6em; padding-left: 1.2em; } .mia-msg li { margin: .2em 0; }
.mia-msg ul:last-child, .mia-msg ol:last-child { margin-bottom: 0; }
.mia-msg a { color: var(--m-accent); text-decoration: underline; }
.mia-model { align-self: flex-start; background: var(--m-bg3); }
.mia-user { align-self: flex-end; background: var(--m-accent); color: var(--m-bg); }
.mia-error { align-self: flex-start; border: 1px solid var(--m-accent); }
.mia-typing { align-self: flex-start; color: var(--m-mute); font: 400 12px/1 "DM Mono", monospace; padding: 6px 2px; }
.mia-typing::after { content: "…"; animation: mia-blink 1.1s infinite; }
@keyframes mia-blink { 50% { opacity: .2; } }
.mia-chips { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 4px; }
.mia-chips button { min-height: 38px; padding: 6px 11px; background: none; border: 1px solid var(--m-line); color: var(--m-ink); font: 400 14px/1.2 "Archivo", sans-serif; cursor: pointer; transition: border-color .25s, color .25s; }
.mia-chips button:hover { border-color: var(--m-accent); color: var(--m-accent); }
.mia-foot { border-top: 1px solid var(--m-line); padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); }
.mia-form { display: flex; gap: 8px; }
.mia-form textarea { flex: 1; min-width: 0; height: 44px; max-height: 110px; padding: 11px 12px; resize: none; background: var(--m-bg); border: 1px solid var(--m-line); color: var(--m-ink); font: 16px/1.3 "Archivo", sans-serif; }
.mia-form textarea:focus { outline: 0; border-color: var(--m-accent); }
.mia-form button { flex: none; width: 44px; height: 44px; background: var(--m-accent); border: 0; color: var(--m-bg); font-size: 18px; cursor: pointer; }
.mia-form button:disabled { opacity: .45; cursor: default; }
.mia-note { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 8px; color: var(--m-mute); font-size: 11.5px; line-height: 1.3; }
.mia-wa { flex: none; padding: 7px 9px; border: 1px solid var(--m-accent); color: var(--m-ink); font: 400 11px/1 "DM Mono", monospace; text-transform: uppercase; text-decoration: none; }
.mia-wa:hover { background: var(--m-accent); color: var(--m-bg); }
.mia :focus-visible { outline: 2px solid var(--m-ink); outline-offset: 2px; }
.mia-head :focus-visible { outline-color: var(--m-bg); }

/* Que el botón no tape «Volver arriba» */
.footer { padding-bottom: 84px; }
@media (max-width: 560px) {
  .mia-panel { inset: 0; width: 100%; height: 100%; height: 100dvh; border: 0; }
}
.mia-fab { transition: background .3s, color .3s, transform .5s var(--m-ease), visibility .5s; }
/* Botón flotante solo con símbolo de IA */
.mia-fab { justify-content: center; width: 58px; height: 58px; min-height: 0; padding: 0; border-radius: 50%; border: 0; background: var(--m-accent); color: var(--m-bg); box-shadow: 0 10px 30px rgba(255,90,0,.35), 0 6px 20px rgba(0,0,0,.45); }
.mia-fab svg { width: 28px; height: 28px; transition: transform .6s var(--m-ease); }
.mia-fab::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--m-accent); animation: mia-ring 2.6s var(--m-ease) infinite; pointer-events: none; }
.mia-fab:hover { background: var(--m-ink); color: var(--m-bg); }
.mia-fab:hover svg { transform: rotate(90deg) scale(1.08); }
@keyframes mia-ring { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.6); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .mia-fab::after { animation: none; opacity: 0; } }