/* ==========================================================================
   EL FATH INTELLIGENCE — on-device process intelligence layer
   Semantic catalogue retrieval · Process Advisor · Fault diagnosis
   Runs entirely in the browser: no API key, no backend, no network calls.
   ========================================================================== */

/* -------------------------------------------------------------- launcher -- */
.ai-launch{
  position:fixed;z-index:100;inset-block-end:22px;inset-inline-end:22px;
  display:inline-flex;align-items:center;gap:10px;
  padding:11px 18px 11px 12px;border-radius:100px;
  background:var(--ink);color:#fff;box-shadow:0 18px 46px -16px rgba(14,17,22,.5);
  font-size:13.5px;font-weight:600;letter-spacing:-.01em;
  transition:transform .5s var(--spring),box-shadow .5s var(--spring);
}
html[lang="ar"] .ai-launch{font-family:var(--f-ar);font-weight:700}
.ai-launch:hover{transform:translateY(-3px);box-shadow:0 24px 60px -18px rgba(14,17,22,.6)}
.ai-launch__orb{
  width:24px;height:24px;border-radius:50%;flex:none;position:relative;
  background:conic-gradient(from 0deg,var(--ember),#FFC38F,var(--ember-300),var(--ember));
  animation:spin 5.5s linear infinite;
}
.ai-launch__orb::after{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--ink)}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:640px){.ai-launch span{display:none}.ai-launch{padding:12px;gap:0}}

/* ---------------------------------------------------------------- shell -- */
.ai-scrim{position:fixed;inset:0;z-index:110;background:rgba(14,17,22,.32);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  opacity:0;pointer-events:none;transition:opacity .45s var(--ease)}
.ai-scrim.on{opacity:1;pointer-events:auto}

.ai{
  position:fixed;z-index:120;inset-block:0;inset-inline-end:0;width:min(520px,100vw);
  display:flex;flex-direction:column;
  background:rgba(255,255,255,.94);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);
  border-inline-start:1px solid var(--hair);box-shadow:-30px 0 80px -30px rgba(14,17,22,.28);
  transform:translateX(102%);transition:transform .6s var(--spring);
}
html[dir="rtl"] .ai{transform:translateX(-102%)}
.ai.on{transform:none!important}
@media(max-width:640px){
  .ai{inset-block:auto 0;inset-inline:0;width:100%;height:88vh;border-radius:var(--r-xl) var(--r-xl) 0 0;
    border-inline-start:0;border-top:1px solid var(--hair);transform:translateY(102%)}
  html[dir="rtl"] .ai{transform:translateY(102%)}
}

/* ----------------------------------------------------------------- head -- */
.ai__head{display:flex;align-items:center;gap:12px;padding:18px 20px;border-bottom:1px solid var(--hair);flex:none}
.ai__mark{width:30px;height:30px;border-radius:50%;flex:none;position:relative;
  background:conic-gradient(from 0deg,var(--ember),#FFC38F,var(--ember-300),var(--ember));animation:spin 6s linear infinite}
.ai__mark::after{content:"";position:absolute;inset:6px;border-radius:50%;background:#fff}
.ai__title{flex:1;min-width:0}
.ai__title b{display:block;font-family:var(--f-display);font-size:14.5px;font-weight:600;letter-spacing:-.02em}
html[lang="ar"] .ai__title b{font-family:var(--f-ar)}
.ai__title span{display:block;font-family:var(--f-mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--faint);margin-top:2px}
html[lang="ar"] .ai__title span{font-family:var(--f-ar);letter-spacing:0;font-size:11.5px}
.ai__x{width:34px;height:34px;border-radius:100px;display:grid;place-items:center;border:1px solid var(--hair);
  transition:.3s;flex:none}
.ai__x:hover{background:var(--surface);border-color:var(--ink)}
.ai__x svg{width:15px;height:15px}

/* ----------------------------------------------------------------- tabs -- */
.ai__tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;padding:10px 14px;background:var(--canvas);
  border-bottom:1px solid var(--hair);flex:none}
.ai__tab{padding:9px 8px;border-radius:100px;font-size:12.5px;font-weight:600;color:var(--muted);transition:.3s}
html[lang="ar"] .ai__tab{font-family:var(--f-ar);font-weight:700;font-size:13.5px}
.ai__tab:hover{color:var(--ink);background:var(--surface-2)}
.ai__tab[aria-selected="true"]{background:var(--ink);color:#fff}

/* ----------------------------------------------------------------- body -- */
.ai__body{flex:1;overflow:auto;padding:20px;scroll-behavior:smooth;overscroll-behavior:contain}
.ai__pane{display:none}
.ai__pane.on{display:block;animation:fadein .45s var(--spring)}
@keyframes fadein{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.ai__foot{flex:none;padding:11px 20px;border-top:1px solid var(--hair);background:var(--canvas);
  font-family:var(--f-mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ghost);
  display:flex;align-items:center;gap:8px}
html[lang="ar"] .ai__foot{font-family:var(--f-ar);letter-spacing:0;font-size:11.5px;text-transform:none}
.ai__foot .dot{width:5px;height:5px;background:#22C55E}
.ai__foot .dot::after{border-color:#22C55E}

/* ---------------------------------------------------------------- input -- */
.ai-search{position:relative;margin-bottom:16px}
.ai-search input{width:100%;padding:14px 44px 14px 42px;font-size:15px;background:var(--white);
  border:1px solid var(--hair);border-radius:100px;transition:.3s}
html[dir="rtl"] .ai-search input{padding:14px 42px 14px 44px}
.ai-search input:focus{outline:none;border-color:var(--ember);box-shadow:0 0 0 3px var(--ember-glow)}
.ai-search__i{position:absolute;inset-inline-start:16px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;color:var(--faint);pointer-events:none}
.ai-search__k{position:absolute;inset-inline-end:14px;top:50%;transform:translateY(-50%);
  font-family:var(--f-mono);font-size:9.5px;color:var(--ghost);border:1px solid var(--hair);
  border-radius:5px;padding:2px 6px;pointer-events:none}

/* suggestion chips */
.ai-sugg{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:20px}
.ai-sugg button{border:1px solid var(--hair);background:var(--white);border-radius:100px;padding:7px 13px;
  font-size:12.5px;color:var(--muted);transition:.32s var(--spring);text-align:start}
html[lang="ar"] .ai-sugg button{font-family:var(--f-ar)}
.ai-sugg button:hover{border-color:var(--ember);color:var(--ember);transform:translateY(-1px)}

/* --------------------------------------------------------------- result -- */
.ai-meta{font-family:var(--f-mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ghost);
  margin-bottom:12px;display:flex;align-items:center;gap:8px}
html[lang="ar"] .ai-meta{font-family:var(--f-ar);letter-spacing:0;font-size:11.5px;text-transform:none}
.ai-meta::after{content:"";flex:1;height:1px;background:var(--hair)}

.ai-res{border:1px solid var(--hair);border-radius:var(--r);padding:15px 17px;background:var(--white);
  margin-bottom:9px;transition:.4s var(--spring);position:relative;overflow:hidden}
.ai-res:hover{border-color:#DADFE7;box-shadow:var(--e1);transform:translateY(-1px)}
.ai-res__t{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:5px}
.ai-res__t b{font-family:var(--f-display);font-size:14.5px;font-weight:600;letter-spacing:-.02em}
html[lang="ar"] .ai-res__t b{font-family:var(--f-ar)}
.ai-res p{font-size:13.4px;line-height:1.55;color:var(--muted)}
.ai-res__f{display:flex;align-items:center;gap:8px;margin-top:10px;font-family:var(--f-mono);font-size:9px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--ghost)}
html[lang="ar"] .ai-res__f{font-family:var(--f-ar);letter-spacing:0;font-size:11px;text-transform:none}
.ai-res mark{background:var(--ember-050);color:var(--ember-600);border-radius:2px;padding:0 2px}

/* confidence meter */
.ai-conf{flex:none;width:44px;height:3px;border-radius:3px;background:var(--surface-2);overflow:hidden}
.ai-conf i{display:block;height:100%;background:var(--ember);border-radius:3px;transition:width .8s var(--spring)}

.ai-empty{text-align:center;padding:40px 20px;color:var(--faint);font-size:14px}
.ai-empty svg{width:30px;height:30px;margin:0 auto 14px;color:var(--ghost)}

/* -------------------------------------------------------------- advisor -- */
.ai-step{margin-bottom:20px}
.ai-step__l{font-family:var(--f-mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--faint);margin-bottom:9px;display:flex;align-items:center;gap:7px}
html[lang="ar"] .ai-step__l{font-family:var(--f-ar);letter-spacing:0;font-size:12px;text-transform:none}
.ai-step__l i{width:16px;height:16px;border-radius:50%;background:var(--ink);color:#fff;font-style:normal;
  font-size:8.5px;display:grid;place-items:center;font-family:var(--f-mono);flex:none}
.ai-opts{display:flex;flex-wrap:wrap;gap:7px}
.ai-opts button{border:1px solid var(--hair);background:var(--white);border-radius:100px;padding:8px 15px;
  font-size:13px;color:var(--muted);transition:.32s var(--spring)}
html[lang="ar"] .ai-opts button{font-family:var(--f-ar)}
.ai-opts button:hover{border-color:var(--ghost);color:var(--ink)}
.ai-opts button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}

/* generated cycle */
.ai-cycle{margin-top:6px;position:relative;padding-inline-start:26px}
.ai-cycle::before{content:"";position:absolute;inset-inline-start:7px;top:8px;bottom:8px;width:1.5px;
  background:linear-gradient(180deg,var(--ember),var(--hair))}
.ai-node{position:relative;padding-bottom:18px}
.ai-node::before{content:"";position:absolute;inset-inline-start:-26px;top:5px;width:15px;height:15px;
  border-radius:50%;background:var(--white);border:1.5px solid var(--ember);
  box-shadow:0 0 0 3px rgba(255,105,0,.10)}
.ai-node__n{font-family:var(--f-mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--ember);
  margin-bottom:3px}
html[lang="ar"] .ai-node__n{font-family:var(--f-ar);letter-spacing:0;font-size:11px;text-transform:none}
.ai-node b{display:block;font-family:var(--f-display);font-size:14.5px;font-weight:600;letter-spacing:-.02em;
  margin-bottom:4px}
html[lang="ar"] .ai-node b{font-family:var(--f-ar)}
.ai-node p{font-size:13.2px;line-height:1.55;color:var(--muted)}
.ai-node__p{display:inline-flex;align-items:center;gap:6px;margin-top:7px;padding:4px 11px;border-radius:100px;
  background:var(--ember-050);border:1px solid rgba(255,105,0,.2);font-size:12px;font-weight:600;color:var(--ember-600)}
html[lang="ar"] .ai-node__p{font-family:var(--f-ar)}

.ai-out{border:1px solid var(--hair);border-radius:var(--r);background:var(--canvas);padding:16px 18px;margin-bottom:16px}
.ai-out h5{font-family:var(--f-display);font-size:14px;font-weight:600;letter-spacing:-.02em;margin-bottom:6px}
html[lang="ar"] .ai-out h5{font-family:var(--f-ar)}
.ai-out p{font-size:13.3px;line-height:1.58;color:var(--muted)}

/* thinking shimmer */
.ai-think{display:flex;align-items:center;gap:10px;padding:16px 0;font-size:13px;color:var(--faint)}
html[lang="ar"] .ai-think{font-family:var(--f-ar)}
.ai-think i{width:6px;height:6px;border-radius:50%;background:var(--ember);animation:bounce 1.2s var(--ease) infinite}
.ai-think i:nth-child(2){animation-delay:.15s}
.ai-think i:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}

/* ------------------------------------------------------- inline advisor -- */
.advisor{border:1px solid var(--hair);border-radius:var(--r-xl);background:var(--white);overflow:hidden;
  box-shadow:var(--e2)}
.advisor__top{display:flex;align-items:center;gap:13px;padding:20px 26px;border-bottom:1px solid var(--hair);
  background:var(--canvas)}
.advisor__top .ai__mark{width:26px;height:26px}
.advisor__top b{font-family:var(--f-display);font-size:14.5px;font-weight:600;letter-spacing:-.02em}
html[lang="ar"] .advisor__top b{font-family:var(--f-ar)}
.advisor__top span{font-family:var(--f-mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
html[lang="ar"] .advisor__top span{font-family:var(--f-ar);letter-spacing:0;font-size:11.5px;text-transform:none}
.advisor__grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}
@media(max-width:880px){.advisor__grid{grid-template-columns:1fr}}
.advisor__in{padding:26px;border-inline-end:1px solid var(--hair)}
@media(max-width:880px){.advisor__in{border-inline-end:0;border-bottom:1px solid var(--hair)}}
.advisor__out{padding:26px;background:var(--canvas);min-height:320px}

/* compact inline advisor — phones open the drawer instead of inlining 3 screens */
.advisor__compact{border-inline-end:0;border-bottom:0;display:grid;gap:16px;justify-items:start}
.advisor__compact p{max-width:46ch}