:root{--bg:#050a12;--panel:#0b1320;--panel2:#101b2b;--line:#223248;--text:#f4f8ff;--muted:#9fb0c4;--blue:#1398ff;--blue2:#57b9ff;--red:#d7192d}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,Arial,sans-serif;background:radial-gradient(circle at 70% 0%,#0b1728 0,#050a12 45%,#03060b 100%);color:var(--text)}button,input,textarea{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;display:grid;grid-template-columns:280px 1fr}.sidebar{border-right:1px solid var(--line);padding:22px 18px;display:flex;flex-direction:column;gap:18px;background:rgba(5,10,18,.92);position:sticky;top:0;height:100vh}.sidebar-logo{display:block;width:100%;height:auto;max-height:100px;object-fit:contain;margin:0 auto}.nav-primary{border:1px solid var(--blue);background:linear-gradient(180deg,#0d2238,#091726);color:#fff;padding:14px;border-radius:12px;font-weight:700}.sidebar nav{display:flex;flex-direction:column;gap:7px}.sidebar nav button{border:0;background:transparent;color:#cbd7e6;text-align:left;padding:11px 12px;border-radius:10px}.sidebar nav button:hover{background:#0e1c2c;color:#fff}.sidebar-note{margin-top:auto;border:1px solid var(--line);border-radius:14px;padding:14px;background:#09111c;display:flex;flex-direction:column;gap:6px}.sidebar-note span{font-size:13px;color:var(--muted)}.workspace{max-width:1320px;width:100%;margin:0 auto;padding:30px}.hero{text-align:center}.hero img{display:block;width:min(620px,88%);height:auto;max-height:210px;object-fit:contain;margin:0 auto}.hero h1{margin:0;font-size:42px}.hero p{color:#cbd8e8;max-width:780px;margin:12px auto 24px;line-height:1.55}.research-entry{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin-bottom:24px}.research-entry form{display:grid;grid-template-columns:1fr auto;gap:12px}.research-entry input{background:#07111c;border:1px solid var(--line);border-radius:12px;color:#fff;padding:16px;font-size:17px}.research-entry button,.workspace-heading button,.composer button{border:0;border-radius:12px;padding:0 22px;background:linear-gradient(180deg,#169cff,#0874d1);color:#fff;font-weight:800}.quick-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.quick-actions button{padding:10px 13px;border:1px solid var(--line);background:#102033}.hidden{display:none!important}.workspace-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:30px 0 10px}.workspace-heading h2{margin:4px 0 0;font-size:34px}.eyebrow,.panel-kicker{font-size:11px;letter-spacing:.14em;color:#65c2ff;font-weight:800}.continuous-workspace{border-top:1px solid var(--line)}.workspace-section{padding:28px 0;border-bottom:1px solid var(--line)}.workspace-section.split{display:grid;grid-template-columns:1fr 1fr;gap:40px}.section-title h3{margin:5px 0 16px}.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.product-card{border:1px solid var(--line);border-radius:14px;padding:12px;background:#07101b;display:flex;flex-direction:column}.product-card img{width:100%;height:160px;object-fit:contain;background:#fff;border-radius:10px}.product-card h4{margin:12px 0 6px}.product-meta{color:var(--muted);font-size:13px;margin-bottom:4px}.product-actions{display:flex;gap:8px;margin-top:auto;padding-top:12px}.product-actions a,.product-actions button{flex:1;text-align:center;text-decoration:none;border-radius:9px;padding:9px;background:#12304a;color:#eaf6ff;border:1px solid #23557d}.topic-cloud{display:flex;flex-wrap:wrap;gap:9px}.topic-cloud button,.topic-cloud span{border:1px solid #255579;background:#10283d;color:#dff2ff;border-radius:999px;padding:9px 12px}.topic-cloud.compact button,.topic-cloud.compact span{padding:6px 9px;font-size:12px}.related-list,.document-grid{display:grid;gap:10px}.related-item,.document-item{border-top:1px solid var(--line);padding:13px 0}.related-item strong,.document-item strong{display:block}.related-item small,.document-item small{display:block;color:var(--muted);margin-top:5px}.product-focus{margin-top:18px}.back-link{background:transparent;border:0;color:#65c2ff;padding:0 0 18px}.product-focus-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:30px}.product-main{min-width:0}.product-focus-header{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:24px}.product-focus-header img{width:220px;height:220px;object-fit:contain;background:#fff;border-radius:16px}.product-focus-header h2{font-size:42px;margin:5px 0}.product-focus-header p{color:var(--muted)}.focus-meta{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0}.focus-meta span{padding:8px 10px;border-radius:999px;background:#10283d;border:1px solid #255579}.product-focus-header a{display:inline-block;color:#fff;text-decoration:none;background:#0874d1;border-radius:10px;padding:11px 14px}.focus-section{padding:26px 0;border-bottom:1px solid var(--line)}.focus-section p{line-height:1.7;color:#dce7f3}.research-sidebar{border-left:1px solid var(--line);padding-left:22px}.research-sidebar-sticky{position:sticky;top:22px}.research-sidebar h3{margin:6px 0 20px}.sidebar-group{padding:14px 0;border-bottom:1px solid var(--line)}.sidebar-group>strong{display:block;margin-bottom:10px}.sidebar-list{display:grid;gap:8px}.sidebar-list div{padding:8px 0;color:#cbd8e6}.chat-section{margin-top:28px;border-top:1px solid var(--line);padding-top:24px}.messages{min-height:260px;max-height:520px;overflow:auto;padding:18px 0}.message{display:flex;gap:14px;max-width:900px;padding:18px;border:1px solid var(--line);border-radius:16px;margin:0 0 16px;background:linear-gradient(145deg,#101b2a,#0a111c)}.message.user-message{margin-left:auto;background:linear-gradient(145deg,#0c3150,#102338)}.message p{line-height:1.6;margin:7px 0}.message small{color:var(--muted)}.avatar{width:42px;height:42px;min-width:42px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--blue);color:var(--blue2);font-weight:800;background:#07111e}.composer{display:grid;grid-template-columns:1fr auto;gap:12px;border:1px solid var(--line);padding:12px;border-radius:16px;background:#0b1421}.composer textarea{resize:vertical;min-height:64px;border:0;outline:0;background:transparent;color:#fff;padding:10px}.composer button{min-width:110px}footer{text-align:center;color:#74869b;font-size:12px;margin-top:15px}.dna-bars{display:grid;gap:12px}.dna-row{display:grid;grid-template-columns:140px 1fr 46px;gap:10px;align-items:center}.dna-track{height:12px;background:#111f2f;border-radius:999px;overflow:hidden}.dna-fill{height:100%;background:linear-gradient(90deg,#0874d1,#4cc3ff)}@media(max-width:980px){.product-focus-layout{grid-template-columns:1fr}.research-sidebar{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:20px}.research-sidebar-sticky{position:static}}@media(max-width:850px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.workspace{padding:18px}.hero h1{font-size:34px}.research-entry form,.workspace-section.split{grid-template-columns:1fr}.workspace-heading{align-items:flex-start;flex-direction:column}.research-entry form button{padding:14px}.product-focus-header{grid-template-columns:1fr}.product-focus-header img{width:100%;height:240px}.product-focus-header h2{font-size:34px}.dna-row{grid-template-columns:110px 1fr 42px}}
.nav-secondary{border:1px solid var(--line);background:#0b1724;color:#d7e6f5;padding:12px;border-radius:12px;font-weight:700}
.workspace-actions{display:flex;gap:10px;flex-wrap:wrap}
.secondary-action{background:#12263a!important;border:1px solid #285476!important}
.follow-up-suggestions{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:14px;padding:12px 0}
.follow-up-suggestions>span{color:var(--muted);font-size:13px}
.follow-up-suggestions button{border:1px solid #285476;background:#10283d;color:#e3f3ff;border-radius:999px;padding:9px 12px}
dialog{width:min(760px,92vw);border:1px solid var(--line);border-radius:18px;background:#0a1522;color:#fff;padding:0}
dialog::backdrop{background:rgba(0,0,0,.78)}
.collections-modal{padding:28px;position:relative}
.collections-modal h2{margin:7px 0}
.collections-modal>p{color:var(--muted)}
.collections-modal label{display:grid;gap:7px;margin:14px 0;color:#d4e3f0}
.collections-modal input,.collections-modal textarea{width:100%;background:#07111c;border:1px solid var(--line);border-radius:10px;color:#fff;padding:12px}
.collections-modal>button[type="submit"]{border:0;border-radius:10px;background:#0874d1;color:#fff;padding:12px 16px;font-weight:800}
.close-button{position:absolute;right:14px;top:12px;border:0;background:transparent;color:#fff;font-size:28px}
.collections-list{display:grid;gap:12px;margin-top:20px}
.collection-item{display:flex;justify-content:space-between;gap:18px;border-top:1px solid var(--line);padding:15px 0}
.collection-item strong,.collection-item small,.collection-item time{display:block}
.collection-item small,.collection-item time{color:var(--muted);margin-top:5px}
.collection-item p{color:#d8e5f1}
.collection-actions{display:flex;gap:8px;align-items:flex-start}
.collection-actions button{border:1px solid #285476;background:#10283d;color:#fff;border-radius:9px;padding:8px 10px}
.collection-actions .delete-collection{border-color:#74333e;background:#31151b}
@media(max-width:700px){.collection-item{flex-direction:column}.workspace-actions{width:100%}.workspace-actions button{flex:1}}

.source-panel{margin-top:18px;border:1px solid var(--line);border-radius:16px;background:#08131f;padding:18px}
.source-panel-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}
.source-panel-heading h3{margin:5px 0}.source-panel-heading button{border:0;background:transparent;color:#fff;font-size:26px}
.source-list{display:grid;gap:12px;margin-top:14px}
.source-item{display:grid;grid-template-columns:32px 1fr;gap:12px;border-top:1px solid var(--line);padding-top:13px}
.source-item>span{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#123a59;color:#65c2ff;font-weight:800}
.source-item strong,.source-item small{display:block}.source-item small{color:var(--muted);margin-top:4px}
.source-item p{color:#cddae7;line-height:1.45}.source-item a{color:#65c2ff;text-decoration:none;font-weight:700}
.source-warning{color:#e4b7bf}

.research-progress-message{transition:opacity .22s ease,transform .22s ease}
.research-progress{display:grid;gap:2px;margin-top:8px;min-width:min(520px,70vw)}
.research-active,.research-complete,.research-presenting{display:flex;align-items:center;gap:11px;padding:8px 0;font-size:15px}
.research-active{color:#4ea8ff;font-weight:700}
.research-complete{color:#e6eef7;opacity:.92}
.research-presenting{color:#65c2ff;font-weight:700;padding-top:11px}
.spinner{width:14px;height:14px;min-width:14px;border:2px solid rgba(255,255,255,.2);border-top-color:#4ea8ff;border-radius:50%;animation:researchSpin .8s linear infinite}
.research-progress-fade{opacity:0;transform:translateY(-4px)}
@keyframes researchSpin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@media(max-width:700px){.research-progress{min-width:0;width:100%}.research-active,.research-complete,.research-presenting{font-size:14px}}

.single-search-entry{
  position:sticky;
  top:0;
  z-index:20;
  background:rgba(5,10,18,.96);
  backdrop-filter:blur(12px);
  padding-top:16px;
  padding-bottom:16px;
}
.single-search-entry form{max-width:100%}
.single-search-entry input{box-shadow:0 0 0 1px rgba(19,152,255,.08)}
.chat-section{margin-top:8px}
.messages{min-height:180px}
.welcome-message{max-width:780px}
.composer,.chat-heading{display:none!important}
@media(max-width:850px){
  .single-search-entry{top:0}
}

.answer-actions,.source-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.answer-actions button,.source-actions button,.inline-action{
  border:1px solid #285476;
  background:#10283d;
  color:#e7f5ff;
  border-radius:999px;
  padding:8px 11px;
  font-size:13px;
  font-weight:700;
}
.answer-actions button:hover,.source-actions button:hover,.inline-action:hover{
  border-color:#4ea8ff;
  background:#143653;
}
.source-actions{align-items:center}
.source-actions a{margin-right:4px}
.related-item .inline-action{margin-top:10px}


/* v1.2.8 — COA-first document experience */
.popular-research-label{
  margin-top:16px;
  color:#9fb0c4;
  font-size:12px;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.premium-research-chips{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
}
.premium-research-chips button{
  min-height:52px;
  border:1px solid rgba(83,182,255,.34);
  border-radius:999px;
  background:linear-gradient(145deg,rgba(17,42,65,.84),rgba(8,22,36,.9));
  color:#f4f9ff;
  font-weight:750;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.premium-research-chips button:hover{
  transform:translateY(-3px);
  border-color:#59bdff;
  background:linear-gradient(145deg,rgba(23,58,88,.95),rgba(10,29,47,.96));
  box-shadow:0 12px 30px rgba(0,126,211,.18),0 0 20px rgba(82,184,255,.12);
}
.document-results{
  margin:28px 0;
  padding:24px;
  border:1px solid #24415d;
  border-radius:20px;
  background:linear-gradient(145deg,#0c1928,#07111c);
}
.document-results-heading{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  margin-bottom:18px;
}
.document-results-heading h2{margin:5px 0 6px}
.document-results-heading p{margin:0;color:var(--muted);line-height:1.5}
.document-results-heading>button{
  border:1px solid var(--line);
  border-radius:10px;
  background:#102236;
  color:#dcecff;
  padding:9px 12px;
}
.document-results-list{display:grid;gap:22px}
.original-document{
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:17px;
  background:#06101a;
}
.original-document.coa-document{
  border-color:#2b6f9f;
  box-shadow:0 0 0 1px rgba(63,176,255,.06),0 18px 45px rgba(0,0,0,.24);
}
.original-document>header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:17px 18px;
  border-bottom:1px solid var(--line);
}
.original-document h3{margin:6px 0 0}
.original-document header p{margin:6px 0 0;color:var(--muted)}
.document-type-badge{
  display:inline-block;
  border:1px solid #2b6f9f;
  border-radius:999px;
  padding:5px 8px;
  color:#70c9ff;
  font-size:11px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.open-original-button{
  white-space:nowrap;
  border-radius:10px;
  background:#0874d1;
  color:#fff;
  padding:10px 13px;
  text-decoration:none;
  font-weight:800;
}
.original-document-preview{
  min-height:420px;
  background:#eef3f8;
}
.coa-original-frame{
  display:block;
  width:100%;
  height:720px;
  border:0;
  background:#fff;
}
.coa-original-image{
  display:block;
  width:100%;
  max-height:900px;
  object-fit:contain;
  background:#fff;
}
.document-preview-unavailable{
  min-height:260px;
  display:grid;
  place-items:center;
  padding:28px;
  color:#334;
}
.original-document-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  padding:14px 18px;
  border-top:1px solid var(--line);
}
.original-document-actions button{
  border:1px solid #285476;
  border-radius:999px;
  padding:9px 12px;
  background:#10283d;
  color:#e7f5ff;
  font-weight:750;
}
.original-document-actions button:hover{
  border-color:#59bdff;
  background:#143653;
}
@media(max-width:850px){
  .premium-research-chips{grid-template-columns:1fr 1fr}
  .document-results{padding:16px}
  .document-results-heading,.original-document>header{flex-direction:column}
  .coa-original-frame{height:560px}
}
@media(max-width:560px){
  .premium-research-chips{grid-template-columns:1fr}
  .coa-original-frame{height:470px}
}


/* v1.2.9 — Compact COAs and anchored replies */
.document-results{
  padding:18px;
  margin:18px 0;
}
.document-results-list{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,320px));
  gap:14px;
  align-items:start;
}
.original-document{
  max-width:320px;
  width:100%;
}
.original-document>header{
  padding:12px 13px;
}
.original-document h3{
  margin:5px 0 0;
  font-size:16px;
  line-height:1.3;
}
.original-document header p{
  font-size:13px;
}
.open-original-button{
  padding:8px 10px;
  font-size:12px;
}
.original-document-preview{
  min-height:0;
  height:240px;
  display:grid;
  place-items:center;
  overflow:hidden;
  background:#f3f6fa;
}
.compact-document-link{
  position:relative;
  display:block;
  width:100%;
  height:100%;
  overflow:hidden;
  color:#fff;
  text-decoration:none;
}
.compact-document-link>span{
  position:absolute;
  left:8px;
  right:8px;
  bottom:8px;
  padding:7px 9px;
  border-radius:8px;
  background:rgba(5,13,22,.82);
  color:#eef8ff;
  font-size:11px;
  font-weight:750;
  text-align:center;
  backdrop-filter:blur(8px);
}
.coa-original-image{
  width:100%;
  height:100%;
  max-height:none;
  object-fit:contain;
  background:#fff;
}
.pdf-preview-link{
  pointer-events:auto;
}
.pdf-preview-link .coa-original-frame{
  pointer-events:none;
}
.coa-original-frame{
  width:100%;
  height:310px;
  border:0;
  transform:scale(.78);
  transform-origin:top center;
  margin-bottom:-70px;
  background:#fff;
}
.document-preview-unavailable{
  width:100%;
  height:100%;
  display:grid;
  place-items:center;
  padding:20px;
  color:#183047;
  text-align:center;
  text-decoration:none;
  font-weight:700;
}
.original-document-actions{
  padding:10px 12px;
  gap:7px;
}
.original-document-actions button{
  padding:7px 9px;
  font-size:11px;
}
.messages{
  max-height:none;
  overflow:visible;
}
.message{
  scroll-margin-top:150px;
}
@media(max-width:850px){
  .document-results-list{
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  }
  .original-document{
    max-width:none;
  }
  .original-document-preview{
    height:220px;
  }
}
@media(max-width:560px){
  .document-results-list{grid-template-columns:1fr}
  .original-document-preview{height:210px}
}


/* v1.3.0 — Restored conversational reply flow */
.messages{
  min-height:260px;
  max-height:620px;
  overflow-y:auto;
  scroll-behavior:smooth;
}
.chat-section{
  scroll-margin-top:145px;
}
.message{
  scroll-margin-top:0;
}


/* v1.3.1 — Mobile UX polish */
.mobile-new-search{
  display:none;
}

@media(max-width:760px){
  .single-search-entry{
    position:sticky;
    top:0;
    z-index:30;
    padding:10px 12px 12px;
    background:rgba(5,10,18,.97);
    backdrop-filter:blur(14px);
  }

  .single-search-entry.mobile-search-collapsed{
    padding:8px 12px;
  }

  .single-search-entry.mobile-search-collapsed form,
  .single-search-entry.mobile-search-collapsed .popular-research-label,
  .single-search-entry.mobile-search-collapsed .quick-actions,
  .single-search-entry.mobile-search-collapsed .premium-research-chips{
    display:none!important;
  }

  .single-search-entry.mobile-search-collapsed .mobile-new-search{
    display:flex;
    width:100%;
    min-height:44px;
    align-items:center;
    justify-content:center;
    border:1px solid #2f6f9b;
    border-radius:12px;
    background:linear-gradient(180deg,#1497ec,#0874d1);
    color:#fff;
    font-weight:800;
    font-size:15px;
    box-shadow:0 8px 20px rgba(0,111,190,.18);
  }

  .chat-section{
    scroll-margin-top:70px;
  }

  .messages{
    max-height:none;
    min-height:0;
    overflow:visible;
  }

  .message{
    scroll-margin-top:74px;
  }

  .research-progress-message{
    margin-top:4px;
  }

  .document-results{
    scroll-margin-top:74px;
  }
}