/* ============================================================
   Protocol Craft — styles
   Dark, terminal-adjacent dashboard. All visuals are CSS/SVG.
   ============================================================ */
:root{
  --bg:#0a0d13; --bg2:#0e131c; --panel:#111722; --panel2:#0c1119;
  --line:#1d2735; --line2:#283545;
  --ink:#d3dcec; --dim:#7a8799; --faint:#586577;

  /* tier hues */
  --t-starting:#cbd5e1;
  --t-concept:#5eead4;
  --t-L2:#34d399;
  --t-L2_5:#a3e635;
  --t-L3:#fbbf24;
  --t-L4:#fb923c;
  --t-L5:#a78bfa;
  --t-L6:#60a5fa;
  --t-L7:#f472b6;
  --t-disaster:#f87171;

  --topbar-h:54px;
  --shelf-w:228px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
html{-webkit-text-size-adjust:100%}
body{
  background:
    radial-gradient(1200px 600px at 82% -12%, rgba(96,165,250,.07), transparent 60%),
    radial-gradient(1000px 520px at -5% 112%, rgba(244,114,182,.06), transparent 55%),
    var(--bg);
  color:var(--ink);
  font:14px/1.5 ui-sans-serif,-apple-system,"Segoe UI",Roboto,Inter,system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow:hidden;
  touch-action:none;
}
.mono{font-family:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Code",Consolas,monospace}
button{font:inherit;color:inherit}

/* ---------- top bar ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;height:var(--topbar-h);z-index:30;
  display:flex;align-items:center;gap:12px;padding:0 14px;
  background:linear-gradient(180deg, rgba(14,19,28,.96), rgba(10,13,19,.86));
  border-bottom:1px solid var(--line);backdrop-filter:blur(8px);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-name{font-weight:680;letter-spacing:.3px;font-size:15px;white-space:nowrap}
.logo{width:22px;height:22px;border-radius:6px;flex:0 0 auto;
  background:#0a0d13;border:1px solid var(--line2);position:relative}
.logo::after{content:"";position:absolute;inset:4px;
  background:
    linear-gradient(45deg,transparent 46%,var(--t-concept) 46% 54%,transparent 54%),
    linear-gradient(-45deg,transparent 46%,var(--t-L7) 46% 54%,transparent 54%);
  opacity:.85}
.counter{margin-left:6px;display:flex;align-items:baseline;gap:7px}
.counter-num{font-family:ui-monospace,monospace;font-size:20px;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;transition:color .2s}
.counter-num.bump{animation:bump .4s ease}
@keyframes bump{0%{transform:scale(1)}40%{transform:scale(1.35);color:var(--t-concept)}100%{transform:scale(1)}}
.counter-label{font-size:11px;letter-spacing:.8px;text-transform:uppercase;color:var(--faint)}
.actions{margin-left:auto;display:flex;gap:8px;flex:0 1 auto;min-width:0}

/* keep every topbar button on screen as the window narrows */
@media (max-width:980px){
  .topbar{gap:10px}
  .counter-label{display:none}
  .btn{padding:7px 10px;font-size:12.5px}
  .actions{gap:6px}
}
@media (max-width:600px){
  .topbar{padding:0 8px;gap:8px}
  .btn{padding:6px 8px;font-size:11.5px;border-radius:8px}
  .actions{gap:5px}
  .counter-num{font-size:16px}
}

.btn{
  border:1px solid var(--line2);background:var(--panel);color:var(--ink);
  border-radius:9px;padding:7px 13px;font-size:13px;font-weight:550;cursor:pointer;
  transition:border-color .12s,background .12s,transform .08s;white-space:nowrap;
}
.btn:hover{border-color:#3a4a5e;background:#141b27}
.btn:active{transform:translateY(1px)}
.btn-ghost{background:transparent}
.btn[aria-pressed="true"]{border-color:color-mix(in oklab,var(--t-concept) 60%,transparent);
  background:color-mix(in oklab,var(--t-concept) 12%,transparent);color:#bdf5ea}
.btn-danger{border-color:color-mix(in oklab,var(--t-disaster) 55%,transparent);
  background:color-mix(in oklab,var(--t-disaster) 14%,transparent);color:#ffc4c4}
.btn-danger:hover{background:color-mix(in oklab,var(--t-disaster) 22%,transparent)}

/* ---------- layout ---------- */
.layout{position:fixed;inset:var(--topbar-h) 0 0 0;display:flex}

/* ---------- shelf ---------- */
.shelf{
  width:var(--shelf-w);flex:0 0 var(--shelf-w);height:100%;
  border-right:1px solid var(--line);background:linear-gradient(180deg,var(--panel2),var(--bg));
  display:flex;flex-direction:column;min-height:0;
}
.shelf-head{padding:12px 12px 10px;border-bottom:1px solid var(--line)}
.search{
  width:100%;border:1px solid var(--line2);background:#0a0e15;color:var(--ink);
  border-radius:9px;padding:9px 12px;font-size:13px;outline:none;
}
.search:focus{border-color:color-mix(in oklab,var(--t-concept) 55%,transparent);
  box-shadow:0 0 0 3px color-mix(in oklab,var(--t-concept) 14%,transparent)}
.search::placeholder{color:var(--faint)}
.shelf-list{flex:1 1 auto;overflow-y:auto;padding:10px;display:flex;flex-wrap:wrap;gap:6px;align-content:flex-start}
.shelf-list::-webkit-scrollbar{width:10px}
.shelf-list::-webkit-scrollbar-thumb{background:#1c2533;border-radius:8px;border:2px solid transparent;background-clip:padding-box}
.tier-group{width:100%;display:flex;flex-wrap:wrap;gap:8px;margin:0}
.tier-label{width:100%;font-size:10px;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--faint);margin:6px 2px 0;font-weight:650}
.tier-label:first-child{margin-top:0}

/* compact chips on the shelf — the board gets the space */
.shelf .chip{padding:4px 9px;border-radius:8px;touch-action:pan-y}
.shelf .chip .name{font-size:11.5px}
.shelf .chip.dis{padding-left:13px}
.shelf .chip.dis::before{width:4px;border-radius:8px 0 0 8px}
.shelf .chip.ms::after{border-top-width:8px;border-left-width:8px;border-top-right-radius:8px}

/* cue while a board chip is held over the shelf (drop = return it) */
.shelf.drop-remove{
  background:linear-gradient(180deg,color-mix(in oklab,var(--t-concept) 7%,var(--panel2)),var(--bg));
  box-shadow:inset 0 0 0 2px color-mix(in oklab,var(--t-concept) 40%,transparent);
}

/* ghost chip that follows the pointer when dragging off the shelf */
.drag-ghost{position:fixed;left:0;top:0;z-index:90;pointer-events:none;
  transform:translate(-50%,-50%) scale(1.04);opacity:.95;
  box-shadow:0 18px 36px -14px color-mix(in oklab,var(--c) 70%, #000)}

/* ---------- board ---------- */
.board{position:relative;flex:1 1 auto;height:100%;overflow:visible;
  background:
    radial-gradient(circle at 50% 40%, rgba(255,255,255,.018), transparent 60%);
  background-color:var(--bg);
}
.board::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(120,140,170,.07) 1px, transparent 1px);
  background-size:26px 26px;mask:radial-gradient(120% 120% at 50% 40%, #000 30%, transparent 78%)}
.board-hint{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:24px;pointer-events:none;color:var(--dim);transition:opacity .3s}
.board-hint.gone{opacity:0}
.hint-title{font-size:18px;font-weight:600;color:var(--ink);margin:0 0 8px}
.hint-sub{max-width:46ch;margin:0;font-size:13.5px;line-height:1.6}

/* ---------- the chip (shelf + board instances) ---------- */
.chip{
  --c:var(--t-concept);
  position:relative;display:inline-flex;align-items:center;gap:8px;
  padding:9px 13px;border-radius:11px;user-select:none;-webkit-user-select:none;
  color:color-mix(in oklab,var(--c) 76%, #ffffff 24%);
  background:
    linear-gradient(180deg, color-mix(in oklab,var(--c) 9%, transparent), color-mix(in oklab,var(--c) 4%, transparent)),
    var(--panel);
  border:1px solid color-mix(in oklab,var(--c) 42%, transparent);
  box-shadow:0 1px 0 rgba(255,255,255,.03) inset, 0 8px 18px -14px color-mix(in oklab,var(--c) 60%, transparent);
  transition:transform .12s ease, box-shadow .12s ease, border-color .12s ease;
  cursor:pointer;
}
.chip .name{font-size:13px;font-weight:600;letter-spacing:.15px;white-space:nowrap}
.chip:hover{transform:translateY(-1px);
  border-color:color-mix(in oklab,var(--c) 70%, transparent);
  box-shadow:0 1px 0 rgba(255,255,255,.05) inset, 0 14px 26px -16px color-mix(in oklab,var(--c) 78%, transparent);}

/* milestone */
.chip.ms{border-color:color-mix(in oklab,var(--c) 85%, transparent);
  box-shadow:0 0 0 1px color-mix(in oklab,var(--c) 28%, transparent),0 10px 26px -12px color-mix(in oklab,var(--c) 68%, transparent);}
.chip.ms::after{content:"";position:absolute;top:0;right:0;width:0;height:0;
  border-top:10px solid var(--c);border-left:10px solid transparent;border-top-right-radius:11px;opacity:.9}

/* disaster */
.chip.dis{--c:var(--t-disaster);padding-left:18px}
.chip.dis::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;border-radius:11px 0 0 11px;
  background:repeating-linear-gradient(135deg,
    color-mix(in oklab,var(--c) 82%, #000) 0 4px, color-mix(in oklab,var(--c) 28%, #000) 4px 8px);}

/* summit (HTTPS) — animated gradient ring */
@property --a{syntax:'<angle>';inherits:false;initial-value:0deg}
.chip.summit{border-color:transparent}
.chip.summit::after{content:"";position:absolute;inset:-1px;border-radius:12px;padding:1px;border:0;
  background:conic-gradient(from var(--a,0deg), var(--t-L7),var(--t-L3),var(--t-concept),var(--t-L6),var(--t-L7));
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;animation:spin 6s linear infinite}
@keyframes spin{to{--a:360deg}}

/* board instance specifics */
.board .chip{position:absolute;z-index:1;cursor:grab;touch-action:none;will-change:transform}
.board .chip.dragging{cursor:grabbing;z-index:20;transform:scale(1.06);
  box-shadow:0 18px 36px -14px color-mix(in oklab,var(--c) 70%, #000)}
.board .chip.selected{outline:2px solid color-mix(in oklab,var(--c) 80%, transparent);outline-offset:2px}
.board .chip.target{box-shadow:0 0 0 2px var(--c), 0 14px 30px -12px var(--c)}
/* board chips carry an inline translate(-50%,-50%); keyframes must keep it
   or the chip jumps half its size when the animation ends */
.board .chip.spawn{animation:spawn .28s cubic-bezier(.2,1.2,.3,1)}
@keyframes spawn{from{transform:translate(-50%,-50%) scale(.5);opacity:0}
  to{transform:translate(-50%,-50%) scale(1);opacity:1}}
.board .chip.reveal{animation:reveal .5s cubic-bezier(.2,1.3,.3,1)}
@keyframes reveal{0%{transform:translate(-50%,-50%) scale(.3);opacity:0;filter:brightness(2.2)}
  60%{transform:translate(-50%,-50%) scale(1.12)}
  100%{transform:translate(-50%,-50%) scale(1);filter:brightness(1)}}
.chip.poof{animation:poof .25s ease forwards;pointer-events:none}
@keyframes poof{to{transform:translate(-50%,-50%) scale(.4);opacity:0}}

.shelf-list .chip.highlight{animation:hl 1s ease}
@keyframes hl{0%,100%{box-shadow:0 8px 18px -14px var(--c)}30%{box-shadow:0 0 0 2px var(--c),0 0 22px -2px var(--c);transform:translateY(-2px)}}

/* floating miss/spark messages on the board */
.floater{position:absolute;z-index:25;pointer-events:none;font-size:12.5px;font-weight:550;
  color:var(--dim);background:rgba(10,13,19,.9);border:1px solid var(--line2);
  border-radius:8px;padding:5px 10px;white-space:nowrap;transform:translate(-50%,-50%);
  animation:floatup 1.4s ease forwards}
@keyframes floatup{0%{opacity:0;transform:translate(-50%,-40%)}15%{opacity:1}100%{opacity:0;transform:translate(-50%,-150%)}}

/* ---------- toasts / milestones ---------- */
.toast-stack{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:60;
  display:flex;flex-direction:column;align-items:center;gap:10px;width:max-content;max-width:92vw}
.toast{--c:var(--t-concept);
  display:flex;align-items:center;gap:11px;padding:12px 18px;border-radius:12px;
  background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid color-mix(in oklab,var(--c) 55%,var(--line));
  box-shadow:0 18px 40px -20px #000, 0 0 0 1px color-mix(in oklab,var(--c) 18%,transparent);
  animation:toastin .35s cubic-bezier(.2,1.2,.3,1)}
@keyframes toastin{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.toast.out{animation:toastout .35s ease forwards}
@keyframes toastout{to{opacity:0;transform:translateY(10px)}}
.toast .t-dot{width:9px;height:9px;border-radius:50%;background:var(--c);box-shadow:0 0 10px var(--c)}
.toast .t-kicker{font-size:10px;letter-spacing:1.4px;text-transform:uppercase;color:var(--faint)}
.toast .t-name{font-weight:680;color:color-mix(in oklab,var(--c) 72%,#fff 28%)}
.toast.milestone{padding:14px 22px}
.toast.milestone .t-name{font-size:16px}
.toast.summit{--c:var(--t-L3);padding:18px 26px;position:relative;overflow:hidden}
.toast.summit::before{content:"";position:absolute;inset:-40%;
  background:conic-gradient(from 0deg,var(--t-L7),var(--t-L3),var(--t-concept),var(--t-L6),var(--t-L7));
  filter:blur(40px);opacity:.22;animation:spin 8s linear infinite}
.toast.summit .t-name{font-size:18px;position:relative}
.toast.summit .t-kicker{color:#d9c089;position:relative}

/* ---------- discovery announcement (full screen, click to dismiss) ---------- */
.discovery-layer{position:fixed;inset:0;z-index:75;pointer-events:none}
.discovery-layer.active{pointer-events:auto;cursor:pointer}
.dscrim{position:absolute;inset:0;background:rgba(4,6,10,.74);backdrop-filter:blur(7px);animation:fade .4s ease}
.discovery-layer.out .dscrim{animation:fadeout .32s ease forwards}
@keyframes fadeout{to{opacity:0}}
.dstage{--c:var(--t-L7);position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;padding:24px;overflow:hidden}

/* radiating rings behind the card */
.dring{position:absolute;left:50%;top:50%;width:360px;height:360px;border-radius:50%;
  border:1px solid color-mix(in oklab,var(--c) 60%,transparent);
  transform:translate(-50%,-50%) scale(.25);opacity:0;animation:ringout 2.8s ease-out infinite}
.dring.r2{animation-delay:.5s}
.dring.r3{animation-delay:1s}
@keyframes ringout{0%{transform:translate(-50%,-50%) scale(.25);opacity:0}
  12%{opacity:.5}100%{transform:translate(-50%,-50%) scale(2.8);opacity:0}}
.discovery-layer.out .dring{display:none}

.dcard{--c:var(--t-L7);position:relative;width:min(580px,94vw);max-height:84vh;overflow-y:auto;
  text-align:center;padding:40px 40px 32px;border-radius:24px;
  background:linear-gradient(180deg,color-mix(in oklab,var(--c) 7%,var(--panel)),var(--panel2));
  border:1px solid color-mix(in oklab,var(--c) 45%,var(--line));
  box-shadow:0 60px 120px -40px #000,
    0 0 0 1px color-mix(in oklab,var(--c) 18%,transparent),
    0 0 90px -28px color-mix(in oklab,var(--c) 55%,transparent);
  animation:dcin .6s cubic-bezier(.18,1.3,.3,1)}
.dcard::before{content:"";position:absolute;top:0;left:16%;right:16%;height:1px;
  background:linear-gradient(90deg,transparent,var(--c),transparent);opacity:.8}
@keyframes dcin{from{opacity:0;transform:translateY(26px) scale(.86)}to{opacity:1;transform:none}}
.discovery-layer.out .dcard{animation:dcout .3s ease forwards}
@keyframes dcout{to{opacity:0;transform:translateY(-14px) scale(.96)}}

/* summit gets the animated rainbow ring */
.dcard.is-summit{border-color:transparent}
.dcard.is-summit::after{content:"";position:absolute;inset:-1px;border-radius:25px;padding:1px;
  background:conic-gradient(from var(--a,0deg), var(--t-L7),var(--t-L3),var(--t-concept),var(--t-L6),var(--t-L7));
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;animation:spin 6s linear infinite;pointer-events:none}

/* staggered entrance for the card's pieces */
.dcard .dc-kicker,.dcard .dc-name,.dcard .dc-badges,.dcard .dc-spec,
.dcard .dc-desc,.dcard .dc-examples,.dcard .dc-divider,.dcard .dc-recipes,.dcard .dc-progress{
  animation:rise .55s cubic-bezier(.2,1,.3,1) both}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.dcard .dc-name{animation-delay:.1s}
.dcard .dc-badges{animation-delay:.18s}
.dcard .dc-spec{animation-delay:.24s}
.dcard .dc-desc{animation-delay:.3s}
.dcard .dc-examples{animation-delay:.36s}
.dcard .dc-divider{animation-delay:.44s}
.dcard .dc-recipes{animation-delay:.5s}
.dcard .dc-progress{animation-delay:.58s}

.dcard .dc-kicker{font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--c);
  font-weight:650;display:flex;align-items:center;justify-content:center;gap:14px}
.dcard .dc-kicker::before,.dcard .dc-kicker::after{content:"";height:1px;width:44px;
  background:color-mix(in oklab,var(--c) 55%,transparent)}
.dcard .dc-name{font-size:clamp(32px,6vw,50px);font-weight:760;letter-spacing:.5px;margin:14px 0 4px;
  color:color-mix(in oklab,var(--c) 70%,#fff 30%);
  text-shadow:0 0 36px color-mix(in oklab,var(--c) 55%,transparent)}
.dcard .dc-summitline{font-size:14px;color:#d9c089;margin-bottom:6px;letter-spacing:.4px}
.dcard .dc-badges{display:flex;justify-content:center;align-items:center;gap:8px;
  margin:8px 0 14px;flex-wrap:wrap}
.dcard .dc-layer{font-size:10px;letter-spacing:1px;text-transform:uppercase;font-weight:650;
  color:var(--c);border:1px solid color-mix(in oklab,var(--c) 50%,transparent);
  background:color-mix(in oklab,var(--c) 10%,transparent);border-radius:999px;padding:3px 11px}
.dcard .dc-std{font-size:11px;color:var(--dim);border:1px solid var(--line2);border-radius:999px;padding:3px 10px}
.dcard .dc-msbadge{font-size:10px;letter-spacing:1px;text-transform:uppercase;font-weight:650;
  color:#0a0d13;background:var(--c);border-radius:999px;padding:3px 11px}
.dcard .dc-spec{font-size:12.5px;margin-bottom:14px;letter-spacing:.2px;
  color:color-mix(in oklab,var(--c) 62%,#fff 38%)}
.dcard .dc-desc{font-size:15px;line-height:1.7;color:var(--ink);max-width:52ch;margin:0 auto}
.dcard .dc-examples{margin:16px auto 0;max-width:54ch;text-align:left;
  border:1px solid color-mix(in oklab,var(--c) 22%,var(--line));
  background:color-mix(in oklab,var(--c) 4%,transparent);
  border-radius:12px;padding:10px 16px 11px}
.dcard .dc-ex-label{font-size:9.5px;letter-spacing:1.6px;text-transform:uppercase;
  color:color-mix(in oklab,var(--c) 70%,var(--faint));font-weight:650;margin-bottom:6px}
.dcard .dc-ex{font-size:12.5px;line-height:1.6;color:var(--dim);
  font-family:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Code",Consolas,monospace;
  padding-left:14px;position:relative}
.dcard .dc-ex::before{content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;
  border-radius:50%;background:color-mix(in oklab,var(--c) 65%,transparent)}
.dcard .dc-archived{margin:16px auto 0;max-width:46ch;font-size:12.5px;line-height:1.55;
  color:color-mix(in oklab,var(--t-disaster) 65%,#fff 35%);
  border:1px dashed color-mix(in oklab,var(--t-disaster) 45%,transparent);
  background:color-mix(in oklab,var(--t-disaster) 8%,transparent);
  border-radius:10px;padding:8px 14px;animation:rise .55s .34s cubic-bezier(.2,1,.3,1) both}
.dcard .dc-divider{height:1px;width:70%;margin:20px auto 16px;
  background:linear-gradient(90deg,transparent,var(--line2),transparent)}
.dcard .dc-recipes{display:flex;flex-direction:column;align-items:center;gap:8px}
.dcard .dc-more{font-size:11px;color:var(--faint);font-family:ui-monospace,monospace}
.dcard .dc-recipe{display:flex;justify-content:center;align-items:center;gap:10px;
  font-size:13px;color:var(--dim);flex-wrap:wrap}
.dcard .dc-recipe b{color:var(--ink);font-weight:600;background:var(--panel);
  border:1px solid var(--line2);padding:4px 11px;border-radius:8px}
.dcard .dc-recipe .res{font-weight:650;padding:4px 11px;border-radius:8px;
  color:color-mix(in oklab,var(--c) 72%,#fff 28%);
  border:1px solid color-mix(in oklab,var(--c) 50%,transparent);
  background:color-mix(in oklab,var(--c) 10%,transparent)}
.dcard .dc-recipe .op{color:var(--faint)}
.dcard .dc-progress{margin-top:16px;font-size:11px;letter-spacing:1.4px;
  text-transform:uppercase;color:var(--faint)}

.dc-continue{position:relative;margin-top:24px;font-size:12px;letter-spacing:1.8px;
  text-transform:uppercase;color:var(--dim);
  animation:rise .5s .9s cubic-bezier(.2,1,.3,1) both, contpulse 1.9s 1.4s ease-in-out infinite}
@keyframes contpulse{0%,100%{opacity:.45}50%{opacity:1}}
.discovery-layer.out .dc-continue{display:none}

@media (max-width:560px){
  .dcard{padding:30px 22px 26px}
  .dcard .dc-desc{font-size:14px}
}

/* ---------- Lab Notes drawer ---------- */
.drawer-scrim{position:fixed;inset:0;z-index:40;background:rgba(4,6,10,.5);backdrop-filter:blur(2px);
  animation:fade .2s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.labnotes{position:fixed;top:0;right:0;bottom:0;width:min(420px,92vw);z-index:50;
  background:linear-gradient(180deg,var(--panel),var(--bg));border-left:1px solid var(--line);
  display:flex;flex-direction:column;box-shadow:-30px 0 60px -30px #000;animation:slidein .28s cubic-bezier(.2,.9,.3,1)}
@keyframes slidein{from{transform:translateX(100%)}to{transform:none}}
.labnotes-head{display:flex;align-items:center;gap:12px;padding:16px 18px 8px}
.labnotes-head h2{margin:0;font-size:17px;font-weight:680}
.labnotes-head .btn{margin-left:auto}
.labnotes-sub{margin:0 18px 12px;color:var(--dim);font-size:12.5px}
.labnotes-body{flex:1 1 auto;overflow-y:auto;padding:4px 18px 28px}
.ln-tier{font-size:10px;letter-spacing:1.2px;text-transform:uppercase;color:var(--faint);
  font-weight:650;margin:18px 0 8px;display:flex;align-items:center;gap:8px}
.ln-tier::after{content:"";flex:1;height:1px;background:var(--line)}
.ln-item{padding:9px 0;border-bottom:1px solid rgba(29,39,53,.6)}
.ln-row{display:flex;align-items:center;gap:8px}
.ln-dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto;background:var(--c, var(--t-concept))}
.ln-name{font-weight:620;font-size:13.5px;color:color-mix(in oklab,var(--c) 70%,#fff 30%)}
.ln-std{font-size:10.5px;color:var(--faint);margin-left:auto}
.ln-desc{margin:4px 0 0 16px;color:var(--dim);font-size:12.5px;line-height:1.5}
.ln-spec{margin:3px 0 0 16px;color:var(--faint);font-size:11px}
.ln-empty{color:var(--faint);font-size:13px;padding:20px 0}

/* ---------- reset modal ---------- */
.modal-scrim{position:fixed;inset:0;z-index:70;background:rgba(4,6,10,.62);backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;padding:20px;animation:fade .15s ease}
.modal{width:min(380px,92vw);background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--line2);border-radius:16px;padding:22px;box-shadow:0 30px 60px -20px #000}
.modal h3{margin:0 0 8px;font-size:17px}
.modal p{margin:0 0 18px;color:var(--dim);font-size:13.5px;line-height:1.55}
.modal-actions{display:flex;justify-content:flex-end;gap:10px}

/* ---------- hover stats tooltip ---------- */
.tip{
  --c:var(--t-concept);
  position:fixed;z-index:80;pointer-events:none;left:0;top:0;
  width:min(280px,80vw);
  background:linear-gradient(180deg,#0e1420,#0a0e16);
  border:1px solid color-mix(in oklab,var(--c) 40%,var(--line));
  border-radius:12px;padding:11px 13px;
  box-shadow:0 22px 44px -22px #000, 0 0 0 1px color-mix(in oklab,var(--c) 14%,transparent);
  opacity:0;transform:translateY(6px) scale(.98);transition:opacity .22s ease, transform .22s ease;
}
.tip.show{opacity:1;transform:none}
.tip .tip-row{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.tip .tip-name{font-weight:680;font-size:14px;color:color-mix(in oklab,var(--c) 74%,#fff 26%)}
.tip .tip-std{font-size:10.5px;color:var(--dim);border:1px solid var(--line2);border-radius:5px;padding:0 5px}
.tip .tip-layer{margin-left:auto;font-size:9.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--faint)}
.tip .tip-badge{font-size:9.5px;letter-spacing:.5px;text-transform:uppercase;font-weight:650;
  padding:1px 6px;border-radius:999px;border:1px solid color-mix(in oklab,var(--c) 50%,transparent);
  color:var(--c)}
.tip .tip-spec{font-size:11px;margin-bottom:6px;letter-spacing:.2px;
  color:color-mix(in oklab,var(--c) 64%,#fff 36%)}
.tip .tip-desc{font-size:12.5px;line-height:1.5;color:var(--ink)}
.tip .tip-from{margin-top:8px;padding-top:7px;border-top:1px solid var(--line);
  font-size:11px;color:var(--dim);font-family:ui-monospace,monospace}
.tip .tip-from b{color:var(--ink);font-weight:600}
.tip .tip-from .more{color:var(--faint);font-family:inherit}

/* hide hover tip on coarse (touch) pointers — discovery cards cover those */
@media (hover:none){.tip{display:none!important}}

[hidden]{display:none!important}

/* ---------- landing / entry ---------- */
.landing{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;overflow:hidden;
  background:
    radial-gradient(1100px 560px at 70% -10%, rgba(96,165,250,.10), transparent 60%),
    radial-gradient(900px 500px at 10% 115%, rgba(244,114,182,.09), transparent 55%),
    var(--bg);
  transition:opacity .6s ease, visibility .6s;}
.landing.gone{opacity:0;visibility:hidden;pointer-events:none}

.landing-bg{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;gap:2vh;
  opacity:.6;pointer-events:none}
.landing-bg span{height:6.2vh;filter:blur(7px);transform:translateX(-12%);
  background:linear-gradient(90deg,transparent, color-mix(in oklab,var(--c) 24%, transparent) 50%, transparent);
  animation:drift 11s ease-in-out infinite}
.landing-bg span:nth-child(2n){animation-duration:13s}
.landing-bg span:nth-child(3n){animation-delay:-4s}
.landing-bg span:nth-child(4n){animation-delay:-7s}
@keyframes drift{0%,100%{transform:translateX(-12%);opacity:.45}50%{transform:translateX(12%);opacity:.85}}

.landing-content{position:relative;z-index:2;text-align:center;max-width:640px;padding:28px}
.landing-content.exit{animation:contentOut .4s ease forwards;pointer-events:none}
@keyframes contentOut{to{opacity:0;transform:translateY(-14px)}}
.landing-logo{width:48px;height:48px;border-radius:13px;margin:0 auto;background:#0a0d13;border:1px solid var(--line2);position:relative}
.landing-logo::after{content:"";position:absolute;inset:9px;
  background:
    linear-gradient(45deg,transparent 46%,var(--t-concept) 46% 54%,transparent 54%),
    linear-gradient(-45deg,transparent 46%,var(--t-L7) 46% 54%,transparent 54%);opacity:.9}
.landing-title{font-size:clamp(34px,7vw,56px);font-weight:760;letter-spacing:.5px;margin:16px 0 6px;
  background:linear-gradient(90deg,#ffffff,#cfe0f5);-webkit-background-clip:text;background-clip:text;color:transparent}
.landing-tag{color:var(--t-concept);font-size:15px;letter-spacing:.4px;margin:0 0 20px;font-weight:550}
.landing-blurb{color:var(--dim);font-size:15px;line-height:1.7;margin:0 auto 28px;max-width:56ch}
.landing-blurb b{color:var(--ink);font-weight:600}
.enter-btn{font-size:15px;font-weight:640;padding:13px 30px;border-radius:12px;cursor:pointer;color:#06121f;border:0;
  background:linear-gradient(180deg,#7ff0e0,#34c9b4);
  box-shadow:0 16px 32px -12px color-mix(in oklab,var(--t-concept) 65%,transparent), inset 0 0 0 1px rgba(255,255,255,.12);
  transition:transform .1s ease, box-shadow .2s ease}
.enter-btn:hover{transform:translateY(-2px);box-shadow:0 22px 42px -12px color-mix(in oklab,var(--t-concept) 75%,transparent)}
.enter-btn:active{transform:translateY(0)}
.landing-foot{margin-top:20px;color:var(--faint);font-size:11px;letter-spacing:3px;text-transform:uppercase}

/* founder merge animation */
.founder-stage{position:absolute;inset:0;z-index:3;display:flex;align-items:center;justify-content:center}
.founders{display:flex;align-items:center;justify-content:center;gap:96px;position:relative}
.founder{display:flex;flex-direction:column;align-items:center;gap:5px;padding:14px 22px;border-radius:14px;
  background:linear-gradient(180deg,#141a25,#0e131c);border:1px solid var(--line2);box-shadow:0 18px 38px -18px #000}
.f-kick{font-size:9.5px;letter-spacing:1.5px;text-transform:uppercase;color:var(--faint)}
.f-name{font-size:16px;font-weight:650;color:var(--ink);white-space:nowrap}
.f-left{animation:fLeft 4.4s cubic-bezier(.5,0,.4,1) forwards}
.f-right{animation:fRight 4.4s cubic-bezier(.5,0,.4,1) forwards}
.founder-plus{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:26px;color:var(--dim);
  animation:plusOut 4.4s ease forwards}
@keyframes fLeft{0%{opacity:0;transform:translateX(-180px) scale(.85)}22%{opacity:1;transform:translateX(0) scale(1)}70%{opacity:1;transform:translateX(72px) scale(.98)}100%{opacity:0;transform:translateX(98px) scale(.6)}}
@keyframes fRight{0%{opacity:0;transform:translateX(180px) scale(.85)}22%{opacity:1;transform:translateX(0) scale(1)}70%{opacity:1;transform:translateX(-72px) scale(.98)}100%{opacity:0;transform:translateX(-98px) scale(.6)}}
@keyframes plusOut{0%,40%{opacity:.7}62%,100%{opacity:0}}
.merge-flash{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:8px;height:8px;border-radius:50%;
  background:radial-gradient(circle,#fff 0%, color-mix(in oklab,var(--t-concept) 55%,transparent) 42%, transparent 70%);
  opacity:0;animation:flash 4.7s ease forwards}
@keyframes flash{0%,62%{opacity:0;width:8px;height:8px}76%{opacity:.95;width:240px;height:240px}100%{opacity:0;width:340px;height:340px}}
.cisco-pop{position:absolute;left:50%;top:50%;--c:var(--t-starting);padding:14px 24px;opacity:0;
  transform:translate(-50%,-50%) scale(.2);animation:ciscoPop 1.6s 3.3s cubic-bezier(.2,1.4,.3,1) forwards}
.cisco-pop .name{font-size:21px}
@keyframes ciscoPop{0%{opacity:0;transform:translate(-50%,-50%) scale(.2);filter:brightness(2.6)}55%{opacity:1;transform:translate(-50%,-50%) scale(1.15)}100%{opacity:1;transform:translate(-50%,-50%) scale(1);filter:brightness(1)}}
.founder-cap{position:absolute;left:50%;top:calc(50% + 78px);transform:translateX(-50%);width:max-content;max-width:84vw;
  text-align:center;color:var(--dim);font-size:13px;opacity:0;animation:capIn .9s 5s ease forwards}
@keyframes capIn{to{opacity:1}}
@media (max-width:560px){
  .founders{gap:32px}.f-name{font-size:13px}.founder{padding:11px 15px}
  .founder-plus{font-size:20px}
}

/* ---------- mobile ---------- */
@media (max-width:720px){
  :root{--shelf-w:38vw;--topbar-h:50px}
  .brand-name{display:none}
  .layout{flex-direction:row}
  .shelf{width:40vw;flex-basis:40vw}
  .hint-sub{font-size:12.5px}
  .chip{padding:8px 11px}
  .chip .name{font-size:12.5px}
  .counter-num{font-size:18px}
}
@media (max-width:480px){
  .shelf{width:44vw;flex-basis:44vw}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.01ms!important}
}