/* Guest home (Cortex): logged-out landing. Dark Monokai tokens from css/variables.css; Z0-Z4 colours mirror the zoom levels. */
:root{
  --bg-main:#272822;--bg-panel:#1e1f1a;--bg-elevated:#3e3d32;--bg-input:#1e1f1a;
  --border:#49483e;--border-muted:#3e3d32;
  --text:#f8f8f2;--text-2:#a6a69c;--text-3:#75715e;
  --z0:#fd971f;--z1:#e6db74;--z2:#a6e22e;--z3:#66d9ef;--z4:#ae81ff;
  --accent:#fd971f;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono','Fira Code',Consolas,monospace;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg-panel);color:var(--text);font:15px/1.5 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit}
.mono{font-family:var(--mono)}

.shell{display:grid;grid-template-rows:48px 1fr 28px;grid-template-columns:232px 1fr 272px;height:100vh;min-height:560px}
.top{grid-column:1/-1;display:flex;align-items:center;gap:14px;padding:0 14px;border-bottom:1px solid var(--border-muted);background:var(--bg-panel)}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:600;letter-spacing:-.01em}
.brand small{font:400 12px var(--mono);color:var(--text-3)}
.crumb{font:12px var(--mono);color:var(--text-3);padding-left:14px;border-left:1px solid var(--border-muted)}
.crumb b{color:var(--text-2);font-weight:500}
.top .sp{flex:1}
.search{display:flex;align-items:center;gap:8px;width:280px;height:30px;padding:0 10px;border:1px solid var(--border-muted);border-radius:2px;color:var(--text-3);font-size:13px;background:var(--bg-main)}
.search span{flex:1}
.status{display:flex;align-items:center;gap:7px;font:12px var(--mono);color:var(--text-3)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--text-3)}
.btn{font:600 13px var(--sans);height:30px;padding:0 14px;border-radius:2px;border:1px solid var(--border);background:transparent;color:var(--text);cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:background 100ms ease,border-color 100ms ease}
.btn:hover{background:var(--bg-elevated)}
.btn--primary{background:var(--accent);border-color:var(--accent);color:#1e1f1a}
.btn--primary:hover{background:#ffab45;border-color:#ffab45}

/* left rail */
.rail{border-right:1px solid var(--border-muted);padding:14px 10px;overflow:hidden;display:flex;flex-direction:column;gap:22px}
.rail h6{margin:0 0 8px 6px;font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--text-3)}
.item{display:flex;align-items:center;gap:9px;padding:6px;border-radius:2px;color:var(--text-2);font-size:13px}
.item i{width:14px;height:14px;border-radius:2px;border:1px solid var(--border);flex:none}
.item em{margin-left:auto;font:normal 11px var(--mono);color:var(--text-3)}
.item.on{background:var(--bg-main);color:var(--text)}
.item.on i{background:var(--z0);border-color:var(--z0)}
.chips{display:flex;flex-wrap:wrap;gap:6px;padding:0 6px}
.chip{font:11px var(--mono);color:var(--z3);border:1px solid rgba(102,217,239,.28);padding:1px 8px;border-radius:999px}
.ghost{height:10px;border-radius:2px;background:var(--bg-main);margin:9px 6px}
.rail .foot{margin-top:auto;font:11px/1.6 var(--mono);color:var(--text-3);padding:0 6px}

/* centre */
.main{background:var(--bg-main);display:flex;flex-direction:column;min-width:0;overflow:auto}
.stage{flex:1;display:flex;flex-direction:column;justify-content:center;width:100%;max-width:720px;margin:0 auto;padding:48px 32px 24px}
.eyebrow{font:12px var(--mono);color:var(--text-3);display:flex;gap:10px;align-items:center}
.eyebrow b{font-weight:500;color:var(--z0)}
h1{font-weight:600;font-size:clamp(32px,4.2vw,50px);line-height:1.06;letter-spacing:-.03em;margin:14px 0 14px}
h1 span{color:var(--text-3)}
.lead{color:var(--text-2);font-size:16px;max-width:52ch;margin:0 0 28px}
.composer{border:1px solid var(--border);background:var(--bg-input);border-radius:4px}
.composer textarea{display:block;width:100%;min-height:68px;resize:none;border:0;background:transparent;color:var(--text);font:15px/1.5 var(--sans);padding:14px 16px 4px;outline:none}
.composer textarea::placeholder{color:var(--text-3)}
.composer:focus-within{border-color:var(--z0)}
.composer .bar{display:flex;align-items:center;gap:10px;padding:8px 8px 8px 16px;font:11px var(--mono);color:var(--text-3)}
.composer .bar .sp{flex:1}
.hint{margin:10px 2px 0;font:12px var(--mono);color:var(--text-3)}
.hint a{color:var(--text-2);text-decoration:underline;text-decoration-color:var(--border);text-underline-offset:3px}

.feats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--border-muted);border:1px solid var(--border-muted);margin-top:40px}
.feat{background:var(--bg-main);padding:14px 16px}
.feat h3{margin:0 0 4px;font-size:13px;font-weight:600}
.feat p{margin:0;font-size:13px;color:var(--text-3);line-height:1.45}
.feat .k{font:11px var(--mono);color:var(--text-3);float:right}

/* right: context */
.ctx{border-left:1px solid var(--border-muted);padding:14px;overflow:hidden;display:flex;flex-direction:column;gap:18px}
.ctx h6{margin:0 0 10px;font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);display:flex;justify-content:space-between}
.pool{display:grid;grid-template-columns:26px 1fr 52px;align-items:center;gap:8px;font:11px var(--mono);color:var(--text-3);margin-bottom:9px}
.pool b{font-weight:500}
.meter{height:6px;background:var(--bg-main);border-radius:1px;overflow:hidden}
.meter i{display:block;height:100%}
.pool span{text-align:right}
.note{font:12px/1.55 var(--mono);color:var(--text-3);border-left:2px solid var(--border);padding:2px 0 2px 10px;margin:0}
.note strong{color:var(--text-2);font-weight:500}
.mem{border:1px solid var(--border-muted);border-radius:2px;padding:9px 10px;font:12px/1.5 var(--mono);color:var(--text-3);margin-bottom:8px}
.mem .t{display:flex;justify-content:space-between;margin-bottom:4px;font-size:10px}
.mem .z{padding:0 5px;border-radius:2px;color:#1e1f1a}

/* status bar */
.sbar{grid-column:1/-1;display:flex;align-items:center;gap:18px;padding:0 14px;font:11px var(--mono);color:var(--text-3);border-top:1px solid var(--border-muted);background:var(--bg-panel)}
.sbar .sp{flex:1}
.sbar a{color:var(--z0);text-decoration:none}
.sbar a:hover{text-decoration:underline}

@media (max-width:1180px){ .shell{grid-template-columns:212px 1fr} .ctx{display:none} .search{width:200px} }
@media (max-width:820px){
  .shell{grid-template-columns:1fr} .rail{display:none} .crumb,.search{display:none}
  .feats{grid-template-columns:1fr}
}
@media (max-width:560px){
  .shell{height:auto;min-height:100vh;grid-template-rows:48px 1fr 44px}
  .status{display:none}
  .top .sign-in{background:transparent;color:var(--text);border-color:var(--border);height:28px;padding:0 10px}
  .stage{padding:32px 18px 24px;justify-content:flex-start}
  .lead{font-size:15px}
  .sbar{position:sticky;bottom:0;font-size:12px}
  .sbar .hide-sm{display:none}
  .sbar a.sign-in{margin-left:auto;background:var(--accent);color:#1e1f1a;padding:6px 12px;border-radius:2px;font-weight:500}
  .composer .bar .kb{display:none}
}

/* brand: text wordmark (no approved logo file yet) */
.brand .glyph{font-size:18px;line-height:1}

/* Core sign-in modal over the dark page: Semantic component CSS is loaded
   without site/reset, so give the modal the page font explicitly. */
.ui.modal,.ui.modal .ui.button,.ui.modal input,.ui.modal .ui.dropdown,.ui.modal h2,.ui.modal .ui.header{font-family:var(--sans)}
/* Dim the page firmly behind the modal (Semantic's blurring dimmer is only .6, so the
   big heading showed through). Matches the blurring selector so it wins. */
.ui.dimmer.modals,.blurring.dimmable>.ui.dimmer.modals,.blurring.dimmed.dimmable>.ui.dimmer.modals{background:rgba(14,14,11,.9)}

/* Dark scrollbars to match the theme (standard property for Firefox/Chrome 121+,
   ::-webkit-scrollbar for older WebKit). */
html{scrollbar-color:#49483e #1e1f1a}
.main,.ui.dimmer.modals{scrollbar-color:#49483e #272822}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#1e1f1a}
::-webkit-scrollbar-thumb{background:#49483e;border-radius:5px;border:2px solid #1e1f1a}
::-webkit-scrollbar-thumb:hover{background:#75715e}
::-webkit-scrollbar-corner{background:#1e1f1a}