/* ============================================================
   LUMORA — interfaz de descubrimiento de conocimiento
   Azul/violeta/cian sobre indigo profundo. Constelacion viva.
   Portado de React a HTML/CSS puro, conectado al motor real.
   ============================================================ */

:root {
  --bg:#090B12; --bg-side:#0D1017; --card:#141826; --card-hi:#1A1F30;
  --line:rgba(255,255,255,.06); --line-hi:rgba(90,107,255,.5);
  --ink:#F7F8FB; --ink-mid:#B4BECD; --ink-dim:#6B7688; --ink-faint:#4A5468;
  --blue:#5A6BFF; --violet:#8C6BFF; --cyan:#6EE7F7;
  --blue-glow:rgba(90,107,255,.15); --violet-glow:rgba(140,107,255,.35);
  --red:#F0665C; --green:#34D399;
  --sans:"Inter",system-ui,sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}

/* Scrollbars con el tema de Lumora (no blancas) */
*::-webkit-scrollbar{width:8px;height:8px}
*::-webkit-scrollbar-track{background:transparent}
*::-webkit-scrollbar-thumb{background:rgba(90,107,255,.22);border-radius:10px}
*::-webkit-scrollbar-thumb:hover{background:rgba(90,107,255,.4)}
*{scrollbar-width:thin;scrollbar-color:rgba(90,107,255,.3) transparent}
body{margin:0;height:100vh;overflow:hidden;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.6}
.is-hidden{display:none!important}
::selection{background:var(--violet);color:#fff}

/* ---------- LOGO SVG animado ---------- */
.logo{position:relative;display:inline-flex;align-items:center;justify-content:center;flex:none}
.logo[data-size="sm"]{width:32px;height:32px}
.logo[data-size="lg"]{width:80px;height:80px}
.logo[data-size="xl"]{width:88px;height:88px}
.logo svg{width:100%;height:100%;overflow:visible}
.logo .lo-orbit{transform-origin:center;animation:orbit 20s linear infinite}
.logo .lo-core{transform-origin:center;fill:var(--violet);transition:all .7s}
.logo .lo-node{transition:all .5s}
.logo .lo-lines{opacity:0;transition:opacity 1s}

.logo.logo-idle .lo-orbit{animation:orbit 20s linear infinite}
.logo.logo-idle{animation:breathe 4s ease-in-out infinite}
.logo.logo-listening .lo-orbit{animation:orbit 10s linear infinite}
.logo.logo-listening .lo-node{fill:var(--cyan)}
.logo.logo-processing .lo-orbit{animation:orbit 3s cubic-bezier(.4,0,.2,1) infinite}
.logo.logo-processing .lo-core{fill:var(--violet);animation:pulseCore 1s infinite}
.logo.logo-processing .lo-node{fill:var(--cyan);filter:drop-shadow(0 0 5px var(--cyan))}
.logo.logo-processing .lo-lines{opacity:1}
.logo.logo-responding .lo-orbit{animation:orbit 15s linear infinite}
.logo.logo-responding{filter:drop-shadow(0 0 15px var(--blue-glow))}

@keyframes orbit{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.85}50%{transform:scale(1.05);opacity:1;filter:drop-shadow(0 0 8px var(--violet-glow))}}
@keyframes pulseCore{0%,100%{transform:scale(1);filter:drop-shadow(0 0 10px rgba(110,231,247,.5))}50%{transform:scale(1.15);filter:drop-shadow(0 0 20px rgba(110,231,247,.8))}}

/* ---------- SPLASH ---------- */
.splash{position:fixed;inset:0;z-index:200;background:var(--bg);display:grid;place-items:center;transition:opacity 1s}
.splash.is-out{opacity:0;pointer-events:none}
.splash__canvas{position:absolute;inset:0}
.splash__center{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:1.75rem}
.splash__text{font-weight:300;letter-spacing:.03em;color:var(--ink-mid);font-size:1rem;min-height:1.5em;animation:textFade .8s ease}
@keyframes textFade{from{opacity:0;transform:translateY(8px);filter:blur(4px)}to{opacity:1;transform:none;filter:blur(0)}}

/* ---------- LAYOUT ---------- */
.app{display:flex;height:100vh;width:100%;opacity:0;transition:opacity 1s}
.app.is-shown{opacity:1}

/* ---------- SIDEBAR ---------- */
.side{width:320px;flex:none;background:rgba(13,16,23,.8);backdrop-filter:blur(20px);border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:20;box-shadow:5px 0 30px rgba(0,0,0,.2)}
.side__brand{height:80px;display:flex;align-items:center;gap:1rem;padding:0 1.5rem;flex:none}
.side__name{font-weight:300;letter-spacing:.15em;font-size:1.15rem}
.side__body{flex:1;display:flex;flex-direction:column;padding:1.5rem;min-height:0;overflow:hidden}
.side__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem;flex:none}
.side__head-r{display:flex;align-items:center;gap:.5rem}
.side__label{margin:0;font-size:.68rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-dim)}
.side__badge{font-size:.68rem;padding:.12rem .5rem;border-radius:20px;background:rgba(140,107,255,.12);color:var(--violet);border:1px solid rgba(140,107,255,.25)}
.side__add{width:28px;height:28px;display:grid;place-items:center;border:none;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;cursor:pointer;transition:filter .18s,transform .1s;box-shadow:0 2px 10px var(--blue-glow)}
.side__add:hover{filter:brightness(1.12)}
.side__add:active{transform:scale(.92)}

/* Buscador + filtros: FIJOS, no scrollean */
.finder{margin-bottom:1rem;flex:none}
.finder__search{display:flex;align-items:center;gap:.55rem;padding:.55rem .75rem;background:rgba(20,24,38,.5);border:1px solid var(--line);border-radius:10px;color:var(--ink-dim);transition:border-color .2s}
.finder__search:focus-within{border-color:rgba(90,107,255,.4);color:var(--cyan)}
.finder__search input{flex:1;min-width:0;background:none;border:none;color:var(--ink);font:inherit;font-size:.82rem;padding:0}
.finder__search input::placeholder{color:var(--ink-dim)}
.finder__search input:focus{outline:none}
.finder__filters{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.6rem}
.chipf{padding:.28rem .6rem;font-size:.68rem;font-weight:500;border-radius:20px;background:rgba(20,24,38,.5);border:1px solid var(--line);color:var(--ink-dim);cursor:pointer;transition:all .18s}
.chipf:hover{color:var(--ink-mid);border-color:rgba(90,107,255,.3)}
.chipf.is-on{background:rgba(110,231,247,.12);border-color:rgba(110,231,247,.35);color:var(--cyan)}

.docs__empty{margin:.5rem 0 1.25rem;font-size:.78rem;color:var(--ink-dim);text-align:center;padding:1rem 0}

.side__foot{display:flex;align-items:center;gap:.55rem;padding:1rem 1.5rem;border-top:1px solid var(--line);font-size:.72rem;color:var(--ink-dim)}
.side__dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);animation:breathe 2.6s ease-in-out infinite}
.side__dot.is-err{background:var(--red);box-shadow:0 0 8px var(--red)}

/* Tarjetas de documento */
.docs{list-style:none;margin:0;padding:0 0 .5rem;display:flex;flex-direction:column;gap:.75rem;flex:1;overflow-y:auto;min-height:0}
.card{position:relative;background:rgba(20,24,38,.6);border:1px solid var(--line);border-radius:12px;padding:1rem;transition:all .3s;animation:cardIn .4s ease both}
.card:hover{transform:translateY(-2px);background:rgba(30,35,55,.8);box-shadow:0 10px 30px -10px var(--blue-glow);border-color:rgba(90,107,255,.2)}
.card__row{display:flex;align-items:flex-start;gap:.85rem}
.card__ico{flex:none;width:38px;height:38px;display:grid;place-items:center;border-radius:9px}
.card__ico.pdf{background:rgba(240,102,92,.1);color:var(--red)}
.card__ico.csv,.card__ico.data{background:rgba(52,211,153,.1);color:var(--green)}
.card__ico.txt,.card__ico.md{background:rgba(110,231,247,.1);color:var(--cyan)}
.card__body{flex:1;min-width:0}
.card__name{font-size:.9rem;font-weight:500;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card__name.is-off{color:var(--ink-dim)}
.card__meta{margin-top:.25rem;font-size:.72rem;color:var(--ink-dim);display:flex;align-items:center;justify-content:space-between;gap:.5rem}

/* Estrellita-toggle: encendida = activa, apagada = fuera de busquedas */
.starbtn{flex:none;display:inline-flex;align-items:center;gap:.35rem;background:none;border:none;cursor:pointer;padding:.15rem .25rem;border-radius:6px;font:inherit;font-size:.7rem;color:var(--cyan);transition:background .18s}
.starbtn:hover{background:rgba(110,231,247,.08)}
.starbtn__star{width:15px;height:15px;transition:all .3s}
.starbtn.is-on .starbtn__star{fill:var(--cyan);stroke:var(--cyan);filter:drop-shadow(0 0 4px rgba(110,231,247,.6))}
.starbtn.is-off .starbtn__star{fill:none;stroke:var(--ink-faint);filter:none}
.starbtn.is-off{color:var(--ink-faint)}
.starbtn__lbl{letter-spacing:.02em}

/* Boton eliminar: aparece al hover sobre la tarjeta */
.card__del{position:absolute;top:.6rem;right:.6rem;width:26px;height:26px;display:grid;place-items:center;border:none;border-radius:7px;background:rgba(240,102,92,.1);color:var(--red);cursor:pointer;opacity:0;transform:scale(.85);transition:opacity .18s,transform .18s,background .18s}
.card:hover .card__del{opacity:1;transform:scale(1)}
.card__del:hover{background:rgba(240,102,92,.22)}
.card__del:disabled{opacity:.4;cursor:wait}

/* "fragmentos": subrayado sutil que indica que tiene tooltip */
.frag{border-bottom:1px dotted var(--ink-faint);cursor:help}

/* Tooltip global: vive en <body>, position fixed, nada lo recorta */
.tip-float{position:fixed;width:210px;max-width:calc(100vw - 20px);padding:.6rem .75rem;background:#1A1F30;border:1px solid rgba(140,107,255,.3);border-radius:9px;font-size:.72rem;line-height:1.5;color:var(--ink-mid);opacity:0;pointer-events:none;transition:opacity .18s;z-index:500;box-shadow:0 8px 24px rgba(0,0,0,.5)}
.tip-float.is-shown{opacity:1}
.tip-float strong{color:var(--cyan)}
@keyframes cardIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* Anadir contexto */
.addctx{display:flex;align-items:center;justify-content:center;gap:.6rem;padding:.9rem;margin-top:1rem;border:1px solid var(--line);border-radius:12px;background:rgba(20,24,38,.4);color:var(--ink-mid);cursor:pointer;font-size:.88rem;font-weight:500;transition:all .3s;flex:none}
.addctx:hover,.addctx:focus-visible{color:var(--ink);border-color:rgba(90,107,255,.3);background:rgba(30,35,55,.6);outline:none}
.addctx.is-drag{border-color:var(--blue);background:rgba(90,107,255,.08)}
.addctx.is-busy{opacity:.5;pointer-events:none}
.addctx svg{transition:transform .3s}
.addctx:hover svg{transform:translateY(-2px)}
.addctx__status{margin-top:.75rem;padding:.6rem .75rem;border-radius:9px;font-size:.72rem;line-height:1.5;border:1px solid var(--line)}
.addctx__status.ok{color:var(--cyan);border-color:rgba(110,231,247,.3);background:rgba(110,231,247,.05)}
.addctx__status.warn{color:#F0B048;border-color:rgba(240,176,72,.3);background:rgba(240,176,72,.05)}
.addctx__status.err{color:var(--red);border-color:rgba(240,102,92,.3);background:rgba(240,102,92,.05)}
.addctx__status.busy{color:var(--ink-mid)}

/* ---------- MAIN ---------- */
.main{flex:1;display:flex;flex-direction:column;position:relative;min-width:0;overflow:hidden}
.constellation{position:absolute;inset:0;z-index:0;pointer-events:none}
.main__veil{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(135deg,rgba(9,11,18,.9),rgba(9,11,18,.7) 50%,rgba(13,16,23,.9))}
.main__inner{flex:1;position:relative;z-index:10;overflow-y:auto;min-height:0;display:flex;flex-direction:column}

/* Hero (estado vacio) */
.hero{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;animation:textFade .8s ease}
.hero__title{font-size:2.4rem;font-weight:300;letter-spacing:.01em;margin:2rem 0 3rem;text-align:center;text-shadow:0 2px 20px rgba(0,0,0,.4)}
.hero__cards{display:grid;grid-template-columns:1fr 1fr;gap:1rem;max-width:620px;width:100%}
.hero__card{display:flex;flex-direction:column;gap:1rem;padding:1.5rem;text-align:left;background:rgba(20,24,38,.6);border:1px solid var(--line);border-radius:12px;color:var(--ink-mid);cursor:pointer;font:inherit;transition:all .3s;backdrop-filter:blur(4px)}
.hero__card:hover{transform:translateY(-8px);color:var(--ink);border-color:rgba(90,107,255,.25);box-shadow:0 14px 40px -14px var(--blue-glow)}
.hero__card svg{color:var(--blue);transition:color .3s}
.hero__card:hover svg{color:var(--cyan)}
.hero__card span{font-weight:500}

/* Hilo de conversacion */
.thread{flex:1;padding:2rem 2.5rem;display:flex;flex-direction:column;gap:1.75rem}
.msg{animation:msgIn .5s cubic-bezier(.2,.8,.2,1) both;max-width:820px;width:100%}
.msg--user{align-self:flex-end}
.msg--ai{align-self:flex-start}
@keyframes msgIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.bubble-user{background:linear-gradient(135deg,rgba(90,107,255,.18),rgba(140,107,255,.14));border:1px solid rgba(90,107,255,.2);border-radius:16px 16px 4px 16px;padding:.85rem 1.15rem;font-size:1rem;color:var(--ink)}

.ai{display:flex;gap:1rem}
.ai__logo{flex:none;margin-top:.15rem}
.ai__content{flex:1;min-width:0}
/* Recuadro de la respuesta de Lumora (suma, no reemplaza) */
.ai__bubble{background:rgba(20,24,38,.55);border:1px solid var(--line);border-radius:16px 16px 16px 4px;padding:1rem 1.2rem}
.ai__meta{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin-bottom:.6rem;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-dim)}
.pill{padding:.18rem .6rem;border-radius:20px;font-weight:500;letter-spacing:.05em}
.pill--tab{background:rgba(110,231,247,.1);color:var(--cyan);border:1px solid rgba(110,231,247,.25)}
.pill--rag{background:rgba(140,107,255,.12);color:var(--violet);border:1px solid rgba(140,107,255,.3)}
.ai__text{color:var(--ink-mid);line-height:1.75;white-space:pre-wrap}
.ai__text strong{color:var(--ink);font-weight:600}
.ai__text .cite{display:inline-flex;align-items:center;justify-content:center;min-width:1.15rem;height:1.15rem;padding:0 .3rem;margin:0 .15rem;background:rgba(110,231,247,.12);color:var(--cyan);border:1px solid rgba(110,231,247,.3);border-radius:5px;font-size:.7em;vertical-align:.15em;cursor:default}

/* Tabla de resultados */
.tbl-wrap{margin-top:1.25rem;border:1px solid var(--line);border-radius:12px;overflow:auto}
table{width:100%;border-collapse:collapse;font-size:.82rem}
th,td{padding:.6rem .9rem;text-align:left;white-space:nowrap;border-bottom:1px solid var(--line)}
th{background:rgba(90,107,255,.08);color:var(--cyan);font-weight:600;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase}
tr:last-child td{border-bottom:none}
tbody tr:hover td{background:rgba(90,107,255,.04)}

/* Estrellas de origen: chips compactos en fila, colapsables */
.origins{margin-top:.85rem}
.origins__toggle{display:inline-flex;align-items:center;gap:.4rem;background:none;border:none;color:var(--ink-dim);cursor:pointer;font:inherit;font-size:.72rem;letter-spacing:.04em;padding:.3rem 0;transition:color .18s}
.origins__toggle:hover{color:var(--cyan)}
.origins__chev{transition:transform .2s}
.origins.is-open .origins__chev{transform:rotate(90deg)}
.origins__list{display:none;margin-top:.6rem;flex-wrap:wrap;gap:.4rem}
.origins.is-open .origins__list{display:flex}
.origin{display:inline-flex;align-items:center;gap:.45rem;padding:.35rem .6rem;background:rgba(20,24,38,.6);border:1px solid var(--line);border-radius:20px;max-width:100%}
.origin__n{flex:none;width:1.15rem;height:1.15rem;display:grid;place-items:center;background:rgba(110,231,247,.12);color:var(--cyan);border-radius:50%;font-size:.6rem;font-weight:700}
.origin__ref{font-size:.72rem;color:var(--ink-mid);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}
.origin__loc{color:var(--ink-dim)}
.origin__score{flex:none;font-size:.62rem;color:var(--ink-faint)}

.typing{display:inline-flex;gap:.3rem;padding:.3rem 0}
.typing span{width:6px;height:6px;border-radius:50%;background:var(--blue);animation:bounce 1.1s infinite}
.typing span:nth-child(2){animation-delay:.16s}.typing span:nth-child(3){animation-delay:.32s}
@keyframes bounce{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-5px)}}
.err-box{padding:.85rem 1.1rem;border-left:2px solid var(--red);background:rgba(240,102,92,.06);border-radius:0 8px 8px 0;color:var(--ink-mid);font-size:.92rem}

/* ---------- COMPOSER ---------- */
.composer{position:relative;z-index:10;padding:1.25rem 2.5rem 1.75rem;flex:none}
.composer__box{display:flex;align-items:center;gap:.6rem;max-width:820px;margin:0 auto;background:rgba(20,24,38,.85);backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:16px;padding:.5rem .5rem .5rem 1.25rem;transition:border-color .2s,box-shadow .2s}
.composer__box:focus-within{border-color:rgba(90,107,255,.4);box-shadow:0 0 0 3px var(--blue-glow)}
.composer__input{flex:1;min-width:0;background:none;border:none;color:var(--ink);font:inherit;font-size:1rem;padding:.6rem 0}
.composer__input::placeholder{color:var(--ink-dim)}
.composer__input:focus{outline:none}
.composer__send{flex:none;width:44px;height:44px;display:grid;place-items:center;border:none;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;cursor:pointer;transition:filter .2s,transform .1s,opacity .2s;box-shadow:0 4px 16px var(--blue-glow)}
.composer__send:hover:not(:disabled){filter:brightness(1.12)}
.composer__send:active:not(:disabled){transform:scale(.94)}
.composer__send:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:860px){
  .side{position:fixed;inset:0 auto 0 0;transform:translateX(-100%);transition:transform .3s}
  .side.is-open{transform:none}
  .hero__title{font-size:1.9rem}
  .hero__cards{grid-template-columns:1fr}
  .thread,.composer{padding-left:1.25rem;padding-right:1.25rem}
}

/* ============================================================
   Modales y toasts (tema Lumora, reemplazan confirm/alert nativos)
   ============================================================ */
.modal{position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:1.5rem}
.modal.is-hidden{display:none}
.modal__backdrop{position:absolute;inset:0;background:rgba(9,11,18,.75);backdrop-filter:blur(4px);animation:fadeIn .2s ease}
.modal__card{position:relative;width:100%;max-width:400px;background:linear-gradient(180deg,#141826,#0F151B);border:1px solid var(--line);border-radius:16px;padding:1.75rem;text-align:center;box-shadow:0 24px 60px rgba(0,0,0,.5);animation:modalPop .25s cubic-bezier(.2,.8,.2,1)}
.modal__icon{width:52px;height:52px;margin:0 auto 1rem;display:grid;place-items:center;border-radius:50%}
.modal__icon.danger{background:rgba(240,102,92,.12);color:var(--red);border:1px solid rgba(240,102,92,.3)}
.modal__icon.info{background:rgba(110,231,247,.1);color:var(--cyan);border:1px solid rgba(110,231,247,.3)}
.modal__title{margin:0 0 .5rem;font-size:1.15rem;font-weight:600;color:var(--ink)}
.modal__body{margin:0 0 1.5rem;font-size:.9rem;color:var(--ink-mid);line-height:1.6}
.modal__body strong{color:var(--ink)}
.modal__actions{display:flex;gap:.75rem;justify-content:center}
.modal__btn{padding:.7rem 1.4rem;border-radius:10px;font:inherit;font-size:.88rem;font-weight:500;cursor:pointer;border:1px solid transparent;transition:filter .18s,transform .1s,background .18s}
.modal__btn:active{transform:scale(.97)}
.modal__btn--ghost{background:transparent;border-color:var(--line);color:var(--ink-mid)}
.modal__btn--ghost:hover{background:rgba(255,255,255,.04);color:var(--ink)}
.modal__btn--danger{background:linear-gradient(135deg,#F0665C,#D9483E);color:#fff;box-shadow:0 4px 16px rgba(240,102,92,.25)}
.modal__btn--danger:hover{filter:brightness(1.1)}
.modal__btn--primary{background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff}
.modal__btn--primary:hover{filter:brightness(1.1)}

@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes modalPop{from{opacity:0;transform:scale(.94) translateY(8px)}to{opacity:1;transform:none}}

.toasts{position:fixed;bottom:1.5rem;left:50%;transform:translateX(-50%);z-index:400;display:flex;flex-direction:column;gap:.6rem;align-items:center;pointer-events:none}
.toast{display:flex;align-items:center;gap:.6rem;padding:.75rem 1.1rem;border-radius:12px;background:#1A1F30;border:1px solid var(--line);color:var(--ink);font-size:.85rem;box-shadow:0 10px 30px rgba(0,0,0,.4);animation:toastIn .3s cubic-bezier(.2,.8,.2,1);pointer-events:auto;max-width:90vw}
.toast.is-out{animation:toastOut .3s ease forwards}
.toast__ico{flex:none;display:grid;place-items:center}
.toast--ok .toast__ico{color:var(--cyan)}
.toast--err .toast__ico{color:var(--red)}
.toast--info .toast__ico{color:var(--violet)}
@keyframes toastIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(12px)}}

/* ============================================================
   Referencias APA inline, botón copiar, backstage, cuota
   ============================================================ */

/* Referencia inline estilo APA dentro del texto */
.ref{display:inline-flex;align-items:center;gap:.3rem;padding:.08rem .45rem .08rem .35rem;margin:0 .12rem;background:rgba(110,231,247,.08);border:1px solid rgba(110,231,247,.22);border-radius:20px;cursor:pointer;vertical-align:baseline;transition:all .18s;font-size:.82em;line-height:1.3}
.ref:hover,.ref:focus-visible{background:rgba(110,231,247,.16);border-color:rgba(110,231,247,.45);outline:none}
.ref__ico{flex:none;display:inline-grid;place-items:center}
.ref__ico.pdf{color:var(--red)}
.ref__ico.data,.ref__ico.csv{color:var(--green)}
.ref__ico.txt,.ref__ico.md{color:var(--cyan)}
.ref__txt{color:var(--cyan);max-width:130px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}

/* Botón copiar en el recuadro de respuesta */
.ai__bubble{position:relative}
.ai__copy{position:absolute;top:.7rem;right:.7rem;display:inline-flex;align-items:center;gap:.35rem;padding:.3rem .6rem;background:rgba(20,24,38,.9);border:1px solid var(--line);border-radius:8px;color:var(--ink-dim);cursor:pointer;font:inherit;font-size:.7rem;opacity:0;transition:all .18s}
.ai__bubble:hover .ai__copy{opacity:1}
.ai__copy:hover{color:var(--cyan);border-color:rgba(110,231,247,.35)}
.ai__copy.done{color:var(--green);border-color:rgba(52,211,153,.35)}

/* Código inline dentro de respuestas */
.ai__text code{background:rgba(90,107,255,.12);color:var(--cyan);padding:.05rem .35rem;border-radius:4px;font-family:ui-monospace,monospace;font-size:.88em}
.ai__text em{color:var(--ink-mid);font-style:italic}

/* Backstage: panel lateral desde la DERECHA */
.backstage{position:fixed;inset:0;z-index:250;pointer-events:none}
.backstage.is-open{pointer-events:auto}
.backstage__veil{position:absolute;inset:0;background:rgba(9,11,18,.6);backdrop-filter:blur(3px);opacity:0;transition:opacity .3s}
.backstage.is-open .backstage__veil{opacity:1}
.backstage__panel{position:absolute;top:0;right:0;bottom:0;width:min(520px,92vw);background:linear-gradient(180deg,var(--card),var(--bg-side));border-left:1px solid var(--line);box-shadow:-20px 0 60px rgba(0,0,0,.5);transform:translateX(100%);transition:transform .35s cubic-bezier(.2,.8,.2,1);display:flex;flex-direction:column}
.backstage.is-open .backstage__panel{transform:none}
.bs__head{display:flex;align-items:center;gap:.85rem;padding:1.25rem 1.5rem;border-bottom:1px solid var(--line)}
.bs__ficon{flex:none;width:42px;height:42px;display:grid;place-items:center;border-radius:10px}
.bs__ficon.pdf{background:rgba(240,102,92,.12);color:var(--red)}
.bs__ficon.data,.bs__ficon.csv{background:rgba(52,211,153,.12);color:var(--green)}
.bs__ficon.txt,.bs__ficon.md{background:rgba(110,231,247,.1);color:var(--cyan)}
.bs__hbody{flex:1;min-width:0}
.bs__fname{font-size:.95rem;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bs__floc{font-size:.72rem;color:var(--ink-dim);margin-top:.15rem}
.bs__close{flex:none;width:32px;height:32px;display:grid;place-items:center;border:none;border-radius:8px;background:rgba(255,255,255,.05);color:var(--ink-mid);cursor:pointer;transition:all .18s}
.bs__close:hover{background:rgba(255,255,255,.1);color:var(--ink)}
.bs__body{flex:1;overflow-y:auto;padding:1.5rem}
.bs__note{font-size:.72rem;color:var(--ink-dim);margin-bottom:1rem;display:flex;align-items:center;gap:.4rem}
.bs__note .dot{width:8px;height:8px;border-radius:2px;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.doc-view{font-size:.88rem;line-height:1.85;color:var(--ink-dim)}
.doc-view p{margin:0 0 1rem}
.doc-view mark{background:rgba(110,231,247,.18);color:var(--ink);padding:.15rem .1rem;border-radius:3px;box-shadow:0 0 0 1px rgba(110,231,247,.3)}

/* Mensaje de cuota agotada, bonito */
.cuota{text-align:center;padding:1.5rem 1rem;background:rgba(20,24,38,.5);border:1px solid rgba(240,176,72,.25);border-radius:16px}
.cuota__ico{width:52px;height:52px;margin:0 auto .85rem;display:grid;place-items:center;border-radius:50%;background:rgba(240,176,72,.12);color:var(--amber);border:1px solid rgba(240,176,72,.3)}
.cuota__title{margin:0 0 .35rem;font-size:1.05rem;font-weight:600;color:var(--ink)}
.cuota__sub{margin:0;font-size:.85rem;color:var(--ink-mid)}
.cuota.is-ready .cuota__ico{background:rgba(52,211,153,.12);color:var(--green);border-color:rgba(52,211,153,.3)}