/* Osmora Academy — Phase 3 styles. Editorial, restrained, luxurious.
   Uses existing tokens (--forest, --forest-ink, --gold-soft, --cream, --cream-2). */

/* ---- search trigger button in header ---- */
.acs-trigger{display:inline-flex;align-items:center;gap:8px;background:none;border:1px solid rgba(30,50,41,.18);
  border-radius:6px;padding:8px 14px;font-family:var(--font-body);font-size:.82rem;color:var(--forest-ink);
  cursor:pointer;transition:border-color .18s ease,color .18s ease}
.acs-trigger:hover{border-color:var(--gold-soft);color:var(--forest)}
.acs-trigger svg{width:15px;height:15px}
.acs-trigger .acs-k{font-size:.68rem;letter-spacing:.06em;color:#9a9a92;border:1px solid rgba(30,50,41,.14);
  border-radius:3px;padding:1px 5px;margin-left:2px}

/* ---- overlay ---- */
.acs-overlay{position:fixed;inset:0;z-index:1000;background:rgba(30,50,41,.34);
  backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);display:flex;justify-content:center;
  align-items:flex-start;padding:12vh 20px 20px}
.acs-overlay[hidden]{display:none}
.acs-panel{width:100%;max-width:640px;background:var(--cream-2,#FAF7F2);border:1px solid rgba(30,50,41,.12);
  border-top:3px solid var(--gold-soft);border-radius:12px;box-shadow:0 30px 80px rgba(30,50,41,.22);
  overflow:hidden;display:flex;flex-direction:column;max-height:76vh}
.acs-inputrow{display:flex;align-items:center;gap:12px;padding:20px 22px;border-bottom:1px solid rgba(30,50,41,.09)}
.acs-mag{width:20px;height:20px;color:var(--gold-soft);flex:none}
.acs-input{flex:1;border:none;background:none;font-family:var(--font-display,Georgia,serif);
  font-size:1.35rem;color:var(--forest-ink);outline:none}
.acs-input::placeholder{color:#b3b0a6}
.acs-close{border:1px solid rgba(30,50,41,.16);background:none;border-radius:5px;padding:4px 9px;
  font-size:.72rem;color:#8a8a82;cursor:pointer;flex:none}
.acs-close:hover{border-color:var(--forest);color:var(--forest)}
.acs-results{overflow-y:auto;padding:10px 12px 16px}
.acs-hint{color:#8a8a82;font-size:.92rem;padding:22px 12px;text-align:center;margin:0}
.acs-group{margin:12px 6px 4px}
.acs-group__label{font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-soft);
  margin:14px 8px 8px;font-weight:700}
.acs-item{display:block;text-decoration:none;color:var(--charcoal);padding:12px 14px;border-radius:8px;
  border:1px solid transparent}
.acs-item:hover,.acs-item:focus{background:var(--cream,#F4EFE6);border-color:rgba(30,50,41,.10);outline:none}
.acs-item__title{display:inline;font-family:var(--font-display,Georgia,serif);font-size:1.06rem;color:var(--forest-ink)}
.acs-item__meta{display:inline;font-size:.72rem;letter-spacing:.04em;color:var(--gold-soft);margin-left:10px;text-transform:uppercase}
.acs-item__desc{display:block;font-size:.86rem;color:#6a6a6a;margin-top:3px}

/* ---- glossary tooltip ---- */
.gloss-term{color:var(--forest);text-decoration:none;border-bottom:1px dotted var(--gold-soft);cursor:help}
.gloss-term:hover,.gloss-term:focus{border-bottom-style:solid;color:var(--forest-ink)}
.gloss-tip{position:absolute;z-index:1200;max-width:320px;background:var(--forest-ink,#1E3229);color:var(--cream,#F4EFE6);
  border-radius:10px;padding:16px 18px;box-shadow:0 16px 44px rgba(30,50,41,.34);font-family:var(--font-body)}
.gloss-tip[hidden]{display:none}
.gloss-tip__name{display:block;font-family:var(--font-display,Georgia,serif);font-size:1rem;color:#fff;margin-bottom:6px}
.gloss-tip__def{display:block;font-size:.86rem;line-height:1.5;color:rgba(244,239,230,.86)}
.gloss-tip__cta{display:block;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-soft);margin-top:10px}

/* ---- reading progress ---- */
.acr-progress{position:fixed;top:0;left:0;right:0;height:2px;background:transparent;z-index:900;pointer-events:none}
.acr-progress__fill{height:100%;width:0;background:var(--gold-soft);transition:width .1s linear}

/* ---- article layout with sticky TOC (Article Layout patch: wider, balanced, quieter TOC) ---- */
.article-shell{display:grid;grid-template-columns:1fr;gap:0}
@media (min-width:1040px){
  .article-shell.has-toc{grid-template-columns:minmax(0,760px) 260px;gap:64px;align-items:start;
    justify-content:center;max-width:1160px;margin:0 auto;padding:0 32px}
  .article-shell.has-toc > .article-main{min-width:0;max-width:760px}
  .acr-toc{position:sticky;top:104px;align-self:start;font-family:var(--font-body)}
}
/* comfortable measure even when there is no TOC */
.article-shell:not(.has-toc) > .article-main{max-width:760px;margin:0 auto}
.acr-toc{display:none}
@media (min-width:1040px){.acr-toc{display:block}}
.acr-toc__title{font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;color:#9a968e;
  margin:0 0 12px;font-weight:600}
.acr-toc__list{display:flex;flex-direction:column;gap:1px;border-left:1px solid rgba(30,50,41,.10);padding-left:0}
.acr-toc__link{display:block;font-size:.8rem;line-height:1.3;color:#8a8a82;text-decoration:none;
  padding:5px 0 5px 12px;margin-left:-1px;border-left:2px solid transparent;transition:color .15s ease,border-color .15s ease}
.acr-toc__link.is-sub{padding-left:22px;font-size:.76rem;color:#a29e95}
.acr-toc__link:hover{color:var(--forest)}
.acr-toc__link.is-active{color:var(--forest-ink);border-left-color:var(--forest);font-weight:500}

/* ---- collapsible "On this page" for tablet/mobile ---- */
.acr-toc-mobile{display:block;margin:22px 0 0;border:1px solid rgba(30,50,41,.12);border-radius:8px;background:var(--cream-2,#FAF7F2)}
@media (min-width:1040px){.acr-toc-mobile{display:none}}
.acr-toc-mobile>summary{list-style:none;cursor:pointer;padding:12px 16px;font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--forest-ink,#1E3229);display:flex;align-items:center;justify-content:space-between}
.acr-toc-mobile>summary::-webkit-details-marker{display:none}
.acr-toc-mobile>summary::after{content:"\25BE";color:var(--gold-soft);transition:transform .15s ease}
.acr-toc-mobile[open]>summary::after{transform:rotate(180deg)}
.acr-toc-mobile .acr-toc__list{border-left:none;padding:0 16px 14px}
.acr-toc-mobile .acr-toc__link{border-left:none;padding-left:0}

/* ---- reading meta row (single, restrained — time · category · path) ---- */
.acr-meta{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin:16px 0 0;
  font-size:.8rem;color:#6a6a6a}
.acr-meta .chip{display:inline-flex;align-items:center;gap:7px}
.acr-meta .chip .lbl{font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-soft)}
.acr-meta a{color:var(--forest);text-decoration:none;border-bottom:1px solid transparent}
.acr-meta a:hover{border-color:var(--gold-soft)}
.acr-meta .dot{color:rgba(30,50,41,.28)}

/* ---- prev / next ---- */
.acr-prevnext{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:56px 0 8px}
@media (max-width:640px){.acr-prevnext{grid-template-columns:1fr}}
.acr-pn{display:block;text-decoration:none;background:var(--cream-2,#FAF7F2);border:1px solid rgba(30,50,41,.10);
  border-radius:10px;padding:20px 22px;transition:border-color .18s ease,transform .18s ease}
.acr-pn:hover{border-color:var(--gold-soft);transform:translateY(-2px)}
.acr-pn.next{text-align:right}
.acr-pn .k{display:block;font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-soft);margin-bottom:8px}
.acr-pn .t{font-family:var(--font-display,Georgia,serif);font-size:1.08rem;color:var(--forest-ink)}

/* ---- related research grid (reuses .card look) ---- */
.acr-related{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin-top:20px}