/* AI Guide — the site-wide "Ask" + "Explore" panel (api/guide.py, guide.js).
   Self-contained: its own tokens, so it looks the same on every page shell. */
#gd-root{--gd-bg:#0E1330;--gd-bg2:#141A3D;--gd-line:rgba(255,255,255,.09);--gd-text:#F1F3FC;--gd-text2:#A9B2D6;
  --gd-muted:#737DA3;--gd-accent:#4F8AF0;--gd-accent2:#7FB0F5;--gd-ink:#fff;--gd-shadow:0 24px 60px rgba(0,0,0,.5);
  --gd-user:#26306B;font-family:Inter,system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--gd-text)}
:root[data-theme="light"] #gd-root{--gd-bg:#FFFFFF;--gd-bg2:#F3F5FC;--gd-line:rgba(20,31,60,.12);--gd-text:#141F3C;
  --gd-text2:#46557A;--gd-muted:#6B7899;--gd-accent:#2563EB;--gd-accent2:#1D4ED8;--gd-shadow:0 24px 60px rgba(20,31,60,.22);
  --gd-user:#E6E9FB}
/* Some page shells give every direct child of <body> a low z-index; the guide must stay its own top layer. */
#gd-root{position:static!important;z-index:auto!important;transform:none!important}
#gd-root *{box-sizing:border-box}
#gd-root [hidden]{display:none!important}
#gd-root button,#gd-root input{font-family:inherit;line-height:inherit}

/* launcher */
.gd-launch{position:fixed;right:20px;bottom:20px;z-index:890;display:flex;align-items:center;gap:10px;height:52px;padding:0 18px 0 8px;
  border-radius:999px;border:1px solid color-mix(in srgb,var(--gd-accent) 45%,transparent);cursor:pointer;color:var(--gd-text);
  background:linear-gradient(135deg,color-mix(in srgb,var(--gd-accent) 22%,var(--gd-bg)),var(--gd-bg));
  box-shadow:var(--gd-shadow),0 0 0 0 color-mix(in srgb,var(--gd-accent) 40%,transparent);transition:transform .2s,box-shadow .2s}
.gd-launch:hover{transform:translateY(-2px)}
.gd-launch:focus-visible,.gd-panel :focus-visible,.gd-navbtn:focus-visible{outline:2px solid var(--gd-accent2);outline-offset:2px}
.gd-launch .aig-tile{--sz:38px;--lane:var(--gd-accent)}
.gd-launch b{font-size:.9rem;font-weight:700;letter-spacing:.01em}
.gd-launch kbd,.gd-navbtn kbd,.gd-foot kbd{font:600 .66rem/1 ui-monospace,monospace;padding:3px 5px;border-radius:5px;
  border:1px solid var(--gd-line);color:var(--gd-muted)}
.gd-launch .gd-dot{position:absolute;top:6px;left:38px;width:10px;height:10px;border-radius:50%;background:var(--gd-accent2);
  border:2px solid var(--gd-bg)}
.gd-launch.pulse{animation:gd-pulse 2.4s ease-out 2}
@keyframes gd-pulse{0%{box-shadow:var(--gd-shadow),0 0 0 0 color-mix(in srgb,var(--gd-accent) 50%,transparent)}
  100%{box-shadow:var(--gd-shadow),0 0 0 18px transparent}}
.gd-teaser{position:fixed;right:20px;bottom:82px;z-index:889;max-width:250px;padding:10px 14px;border-radius:14px 14px 4px 14px;
  background:var(--gd-bg);border:1px solid var(--gd-line);box-shadow:var(--gd-shadow);font-size:.82rem;line-height:1.4;
  color:var(--gd-text2);cursor:pointer;animation:gd-in .3s ease-out}
.gd-open .gd-launch,.gd-open .gd-teaser{display:none}
.gd-launch{transition:transform .2s,box-shadow .2s,opacity .25s}
.gd-hero-in .gd-launch{opacity:0;pointer-events:none;transform:translateY(16px)}

/* nav button (placed in each site nav) */
.gd-navbtn{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 10px;margin:0 4px;border-radius:9px;cursor:pointer;
  background:transparent;border:1px solid var(--gd-line,rgba(128,140,180,.28));color:inherit;font-family:inherit;font-weight:600;font-size:.78rem;line-height:1;white-space:nowrap;opacity:.9}
.gd-navbtn:hover{opacity:1;border-color:rgba(79,138,240,.6)}
.gd-navbtn svg.gd-mag{width:14px;height:14px}
.gd-navbtn kbd{font:600 .62rem/1 ui-monospace,monospace;padding:2px 4px;border-radius:4px;border:1px solid rgba(128,140,180,.3);opacity:.75}
@media(max-width:900px){.gd-navbtn kbd{display:none}}
/* The homepage nav is the most crowded: icon only. */
.nav-right .gd-navbtn{width:34px;padding:0;justify-content:center;margin:0 2px}
.nav-right .gd-navbtn kbd,.nav-right .gd-navbtn .gd-lbl{display:none}

/* panel */
.gd-panel{position:fixed;top:12px;right:12px;bottom:12px;z-index:9995;width:min(440px,calc(100vw - 24px));
  display:flex;flex-direction:column;background:var(--gd-bg);border:1px solid var(--gd-line);border-radius:22px;
  box-shadow:var(--gd-shadow),0 0 0 1px color-mix(in srgb,var(--gd-accent) 18%,transparent);overflow:hidden;animation:gd-slide .26s cubic-bezier(.2,.8,.2,1)}
.gd-scrim{position:fixed;inset:0;z-index:9994;background:rgba(4,7,20,.55);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);animation:gd-fade .2s ease-out}
:root[data-theme="light"] .gd-scrim{background:rgba(20,31,60,.28)}
@keyframes gd-slide{from{opacity:0;transform:translateX(24px)}to{opacity:1;transform:none}}
@keyframes gd-fade{from{opacity:0}to{opacity:1}}
html.gd-lock{overflow:hidden}
.gd-panel[hidden]{display:none}
@keyframes gd-in{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.gd-head{display:flex;align-items:center;gap:12px;padding:14px 14px 10px 16px;
  background:radial-gradient(120% 140% at 0 0,color-mix(in srgb,var(--gd-accent) 20%,transparent),transparent 60%)}
.gd-head .aig-tile{--sz:40px;--lane:var(--gd-accent)}
.gd-title{flex:1;min-width:0}
.gd-title b{display:block;font-size:.98rem;font-weight:700}
.gd-title>span{display:block;font-size:.75rem;color:var(--gd-muted);margin-top:2px}
.gd-live{display:inline-block;margin-left:6px;padding:2px 7px;border-radius:999px;font-size:.62rem;font-weight:700;vertical-align:2px;
  letter-spacing:.04em;background:color-mix(in srgb,var(--gd-accent2) 18%,transparent);color:var(--gd-accent2)}
.gd-x{width:34px;height:34px;border-radius:10px;border:1px solid var(--gd-line);background:transparent;color:var(--gd-text2);cursor:pointer;font-size:1rem}
.gd-x:hover{color:var(--gd-text)}
.gd-tabs{display:flex;gap:4px;padding:0 12px 10px;border-bottom:1px solid var(--gd-line)}
.gd-tab{flex:1;height:36px;border-radius:10px;border:1px solid transparent;background:transparent;color:var(--gd-text2);font-weight:600;
  font-size:.84rem;cursor:pointer}
.gd-tab[aria-selected="true"]{background:var(--gd-bg2);border-color:var(--gd-line);color:var(--gd-text)}
.gd-pane{flex:1;min-height:0;display:flex;flex-direction:column}
.gd-pane[hidden]{display:none}

/* ask */
.gd-log{flex:1;overflow-y:auto;padding:14px 14px 6px;display:flex;flex-direction:column;gap:10px;scroll-behavior:smooth}
.gd-msg{max-width:92%;font-size:.88rem;line-height:1.5;padding:10px 13px;border-radius:14px;white-space:pre-wrap;overflow-wrap:anywhere}
.gd-msg.bot{align-self:flex-start;background:var(--gd-bg2);border:1px solid var(--gd-line);border-bottom-left-radius:4px}
.gd-msg.user{align-self:flex-end;background:var(--gd-user);border-bottom-right-radius:4px}
.gd-msg.typing span{display:inline-block;width:7px;height:7px;margin:0 2px;border-radius:50%;background:var(--gd-muted);animation:gd-bob 1s infinite}
.gd-msg.typing span:nth-child(2){animation-delay:.15s}.gd-msg.typing span:nth-child(3){animation-delay:.3s}
@keyframes gd-bob{0%,100%{transform:translateY(0);opacity:.4}50%{transform:translateY(-4px);opacity:1}}
.gd-picks{display:flex;flex-direction:column;gap:8px;align-self:stretch}
.gd-pick{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;align-items:center;padding:11px 12px;border-radius:14px;text-decoration:none!important;
  color:var(--gd-text)!important;background:linear-gradient(135deg,color-mix(in srgb,var(--lane,var(--gd-accent)) 12%,transparent),transparent 70%);
  border:1px solid color-mix(in srgb,var(--lane,var(--gd-accent)) 32%,var(--gd-line));transition:transform .15s,border-color .15s}
.gd-pick:hover,.gd-pick:focus-visible{transform:translateX(3px);border-color:var(--lane,var(--gd-accent))}
.gd-pick .aig-tile{--sz:38px;grid-row:span 3}
.gd-pick b{font-size:.88rem;font-weight:700;display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}
.gd-pick b small{font-size:.68rem;font-weight:700;color:var(--lane,var(--gd-accent));letter-spacing:.02em}
.gd-pick .gd-why{font-size:.78rem;line-height:1.4;color:var(--gd-text2)}
.gd-pick .gd-go{font-size:.74rem;font-weight:700;color:var(--lane,var(--gd-accent))}
.gd-chips{display:flex;flex-wrap:wrap;gap:6px;padding:4px 14px 10px}
.gd-chip{padding:7px 11px;border-radius:999px;border:1px solid var(--gd-line);background:var(--gd-bg2);color:var(--gd-text);font-size:.78rem;
  cursor:pointer;text-align:left;line-height:1.25}
.gd-chip:hover{border-color:var(--gd-accent)}
.gd-form{display:flex;gap:8px;padding:10px 12px 12px;border-top:1px solid var(--gd-line)}
.gd-form input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:12px;border:1px solid var(--gd-line);background:var(--gd-bg2);color:var(--gd-text);font-size:.9rem}
.gd-form input:focus{outline:none;border-color:var(--gd-accent)}
.gd-send{width:44px;height:44px;border-radius:12px;border:0;cursor:pointer;color:#fff;background:var(--gd-accent)}
.gd-send:disabled{opacity:.5;cursor:default}
.gd-send svg{width:18px;height:18px}
.gd-reset{background:none;border:0;color:var(--gd-muted);font-size:.72rem;cursor:pointer;text-decoration:underline;padding:0}

/* explore */
.gd-search{margin:12px 12px 6px;display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;border-radius:12px;border:1px solid var(--gd-line);background:var(--gd-bg2)}
.gd-search:focus-within{border-color:var(--gd-accent)}
.gd-search svg{width:16px;height:16px;color:var(--gd-muted);flex:none}
.gd-search input{flex:1;min-width:0;border:0;background:transparent;color:var(--gd-text);font-size:.9rem;outline:none}
.gd-panel .gd-search input:focus-visible{outline:none}
.gd-list{flex:1;overflow-y:auto;padding:4px 8px 12px}
.gd-group{margin-top:10px}
.gd-gh{display:flex;align-items:center;gap:8px;padding:6px 8px;font-size:.66rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--lane,var(--gd-muted))}
.gd-gh .aig-tile{--sz:22px;border-radius:7px}
.gd-item{display:flex;align-items:center;gap:10px;padding:8px;border-radius:11px;text-decoration:none!important;color:var(--gd-text)!important}
.gd-item .aig-tile{--sz:32px}
.gd-item .gd-it{flex:1;min-width:0}
.gd-item b{display:block;font-size:.84rem;font-weight:600}
.gd-item em{display:block;font-style:normal;font-size:.74rem;color:var(--gd-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gd-item small{font-size:.66rem;font-weight:700;color:var(--gd-text2);white-space:nowrap}
.gd-item small.free{color:var(--lane,var(--gd-accent2))}
.gd-item:hover,.gd-item.on{background:var(--gd-bg2)}
.gd-item.here b::after{content:'You are here';margin-left:8px;font-size:.6rem;font-weight:700;padding:2px 6px;border-radius:999px;
  background:color-mix(in srgb,var(--gd-accent2) 18%,transparent);color:var(--gd-accent2);vertical-align:1px}
.gd-none{padding:18px 12px;font-size:.84rem;color:var(--gd-muted)}
.gd-foot{display:flex;justify-content:space-between;gap:8px;padding:8px 14px;border-top:1px solid var(--gd-line);font-size:.68rem;color:var(--gd-muted)}

@media(max-width:560px){.gd-launch{right:14px;bottom:14px}.gd-teaser{right:14px;bottom:76px}}
@media(prefers-reduced-motion:reduce){.gd-launch,.gd-panel,.gd-scrim,.gd-teaser,.gd-pick,.gd-start{animation:none!important;transition:none!important}
  .gd-msg.typing span{animation:none}}
@media print{#gd-root,.gd-navbtn{display:none!important}}

/* shared grouped mobile menu (api/guide.py mobile_nav_html) and "you are here" */
.mnav-h{margin:14px 16px 2px;font-size:.64rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;opacity:.7}
.mnav-h[class*="lane-"]{color:var(--lane);opacity:1}
.mnav-ask{display:flex;align-items:center;gap:10px;width:100%;margin:2px 0 6px;padding:13px 16px;border-radius:12px;cursor:pointer;
  font-family:inherit;font-weight:600;font-size:.88rem;line-height:1.3;text-align:left;color:inherit;border:1px solid rgba(79,138,240,.4);
  background:rgba(79,138,240,.08)}
.mnav-ask span{color:#4F8AF0}
.shell-mobile a[aria-current="page"],.nav-mobile-menu a[aria-current="page"],.academy-mobile-menu a[aria-current="page"]{
  font-weight:700;box-shadow:inset 3px 0 0 #4F8AF0}
body:has(.shell-mobile.open,.nav-mobile-menu.open,.academy-mobile-menu.open,.cp-mobile.open) .gd-launch,
body:has(.shell-mobile.open,.nav-mobile-menu.open,.academy-mobile-menu.open,.cp-mobile.open) .gd-teaser{display:none}
/* Sit above the homepage audio player when it is open. */
body:has(.queue-player.open) .gd-launch{bottom:84px}
body:has(.queue-player.open) .gd-teaser{bottom:146px}

/* opening screen: a clear question and six starting points */
.gd-hello{padding:4px 2px 2px}
.gd-hello b{display:block;font-size:1.08rem;font-weight:700;line-height:1.3}
.gd-hello span{display:block;margin-top:6px;font-size:.84rem;line-height:1.5;color:var(--gd-text2)}
.gd-starts{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.gd-start{display:flex;flex-direction:column;align-items:flex-start;gap:10px;min-height:92px;padding:12px;border-radius:14px;cursor:pointer;text-align:left;
  color:var(--gd-text);font-size:.82rem;font-weight:600;line-height:1.3;border:1px solid color-mix(in srgb,var(--lane,var(--gd-accent)) 28%,var(--gd-line));
  background:linear-gradient(160deg,color-mix(in srgb,var(--lane,var(--gd-accent)) 12%,transparent),transparent 70%);transition:transform .15s,border-color .15s}
.gd-start:hover,.gd-start:focus-visible{transform:translateY(-2px);border-color:var(--lane,var(--gd-accent))}
.gd-start .aig-tile{--sz:32px}
@media(max-width:560px){
  .gd-launch{width:52px;height:52px;padding:0;justify-content:center}
  .gd-launch b{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .gd-launch .gd-dot{left:36px}
  .gd-panel{top:auto;right:0;left:0;bottom:0;width:100%;height:min(90vh,calc(100vh - 16px));border-radius:22px 22px 0 0;border-bottom:0;animation-name:gd-up}
  @keyframes gd-up{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
}