/* thomhaus.com: retro windows look, one font family (Outfit).
   Layout is a three-pane workspace like VS Code or Claude Code:
   narrow collapsible nav | wide chat | collapsible, resizable details panel. */

:root{
  --ink:#1a1411; --cream:#f1e9dc; --cream-2:#fbf6ee; --yellow:#e8b932; --blue:#1d78b3; --pink:#f6a8b4; --orange:#ee6a35;
  --bg:#9b9087; --bg-alt:#e6dccd; --muted:#4a3f38; --faint:#6b5f56; --accent-text:#b8431a;
  --font:"Outfit",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --fs-s:13px; --fs:15px; --fs-l:17px;
  --shadow:6px 6px 0 var(--ink);
  --side-w:236px; --split-w:0px; --panel-w:0px; --head-h:48px; --foot-h:67px; --read-w:820px;
}

*,*::before,*::after{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--ink);font:400 var(--fs)/1.45 var(--font);overflow:hidden;
  background-image:radial-gradient(rgba(26,20,17,.14) 1.2px,transparent 1.3px);background-size:18px 18px}
button,input{font:inherit;color:inherit}
h1,h2,h3,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ns{padding:16px;text-align:center}
:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}
.ic{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- the frame: one big window holding three panes ---------- */
.app{height:100vh;height:100dvh;padding:12px}
.frame{position:relative;height:100%;display:grid;
  grid-template-columns:var(--side-w) minmax(0,1fr) var(--split-w) var(--panel-w);
  background:var(--cream);border:3px solid var(--ink);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.frame.panel-open{--split-w:8px}
.frame.dragging{user-select:none;cursor:col-resize}

/* every pane starts with a header strip of the same height */
.pane-head{height:var(--head-h);flex:none;display:flex;align-items:center;gap:10px;padding:0 10px 0 14px;
  border-bottom:3px solid var(--ink);font-weight:600}
.tabbar.blue{background:var(--blue);color:#fff}
.tabbar.orange{background:var(--orange);color:var(--ink);justify-content:space-between}
.tabbar .sub{font-weight:400;margin-right:auto}
.tabbar b{font-weight:600}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--orange);color:var(--ink);
  border:2.5px solid var(--ink);border-radius:9px;box-shadow:3px 3px 0 var(--ink);padding:6px 14px;
  font-size:var(--fs);font-weight:600;line-height:1.3;cursor:pointer;text-decoration:none;
  transition:transform .08s,box-shadow .08s,background .15s}
.btn:hover{background:#ff7d4a;transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--ink)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.btn.sm{padding:2px 10px;font-size:var(--fs-s);box-shadow:2px 2px 0 var(--ink)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:2px 2px 0 var(--ink);background:var(--bg-alt)}
.icon-btn{display:grid;place-items:center;width:32px;height:32px;flex:none;padding:0;background:var(--cream-2);color:var(--ink);
  border:2.5px solid var(--ink);border-radius:8px;box-shadow:2px 2px 0 var(--ink);cursor:pointer;
  transition:transform .08s,box-shadow .08s,background .15s}
.icon-btn:hover{background:var(--yellow)}
.icon-btn:active{transform:translate(1px,1px);box-shadow:1px 1px 0 var(--ink)}
.icon-btn[aria-expanded="true"]#panelBtn{background:var(--yellow)}
.navbtn{display:none}

/* ---------- left: navigation ---------- */
.side{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--bg-alt);border-right:3px solid var(--ink);overflow:hidden}
.side-head{justify-content:space-between;background:var(--cream-2);padding-right:8px}
.logo{font-size:23px;font-weight:200;letter-spacing:.01em;color:var(--ink);text-decoration:none;line-height:1;white-space:nowrap}
.logo em{font-style:normal;font-weight:300;color:var(--accent-text)}
.tree{flex:1;min-height:0;overflow-y:auto;padding:6px 8px}
.group{padding:10px 8px 4px;font-size:var(--fs-s);font-weight:600;color:var(--muted)}
.row{text-decoration:none;color:inherit;display:flex;align-items:center;gap:10px;width:100%;padding:7px 10px;background:none;border:0;border-radius:8px;
  font-weight:500;text-align:left;color:var(--ink);cursor:pointer}
.row:hover{background:var(--yellow)}
.row.on{background:var(--yellow);box-shadow:inset 0 0 0 2px var(--ink)}
.row .lbl{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .chev{transition:transform .15s}
.node:not(.open) .chev{transform:rotate(-90deg)}
.node:not(.open) .kids{display:none}
.kids .row{padding-left:30px;font-weight:400}
.side-foot{flex:none;height:var(--foot-h);display:flex;align-items:center;padding:0 8px;border-top:3px solid var(--ink)}
#sideToggle .ic{transition:transform .15s}

/* collapsed rail (wide screens only) */
@media (min-width:861px){
  .frame.side-collapsed{--side-w:56px}
  .side-collapsed .logo,.side-collapsed .lbl,.side-collapsed .chev,.side-collapsed .group,.side-collapsed .kids{display:none}
  .side-collapsed .side-head{justify-content:center;padding:0}
  .side-collapsed #sideToggle .ic{transform:rotate(180deg)}
  .side-collapsed .row{justify-content:center;padding:9px 0}
  .side-collapsed .tree{padding-top:10px}
}

/* ---------- Otto ---------- */
.otto{display:inline-block;flex:none;width:var(--s,36px);height:var(--s,36px)}
.otto svg{display:block;width:100%;height:100%;overflow:visible}
.otto-head{--s:34px}
.otto .o-head{fill:#e8b932;stroke:var(--ink);stroke-width:3}
.otto .o-plate{fill:#8fd0f0;stroke:var(--ink);stroke-width:2.5}
.otto .o-ear{fill:var(--blue);stroke:var(--ink);stroke-width:2.5}
.otto .o-ant{stroke:var(--ink);stroke-width:2.8}
.otto .tip{fill:var(--orange);stroke:var(--ink);stroke-width:2.5}
.otto .o-eye{fill:var(--ink);transform-box:fill-box;transform-origin:center;transform:scale(.55);animation:blink 5.5s infinite}
.otto .o-cheek{fill:var(--orange);opacity:.75}
.otto .o-smile{stroke:var(--ink)}
.otto .o-open{fill:var(--ink);opacity:0}
.otto.talking .o-smile{animation:mouth-closed .4s steps(1) infinite}
.otto.talking .o-open{animation:mouth-open .4s steps(1) infinite}
@keyframes blink{0%,92%,100%{transform:scale(.55)}95%{transform:scale(.55,.05)}}
@keyframes mouth-closed{0%{opacity:1}50%{opacity:0}}
@keyframes mouth-open{0%{opacity:0}50%{opacity:1}}

/* ---------- center: chat ---------- */
.chat{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--cream)}
.log{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:14px;
  padding:18px max(16px,calc((100% - var(--read-w)) / 2));scrollbar-color:var(--yellow) var(--cream)}
.log::-webkit-scrollbar{width:16px}
.log::-webkit-scrollbar-track{background:var(--cream);border-left:2.5px solid var(--ink)}
.log::-webkit-scrollbar-thumb{background:var(--yellow);border:2.5px solid var(--ink);border-radius:8px}
.line{display:flex;align-items:flex-end;gap:10px}
.line .otto{--s:42px}
.msg{max-width:min(88%,640px);padding:10px 14px;border:2.5px solid var(--ink);box-shadow:3px 3px 0 var(--ink);overflow-wrap:anywhere}
.msg.bot{background:var(--pink);border-radius:14px 14px 14px 4px}
.msg.user{align-self:flex-end;background:var(--blue);color:#fff;border-radius:14px 14px 4px 14px}
.msg .btn{margin-top:8px}
.typing{display:inline-flex;gap:4px;padding:5px 0}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--ink);animation:dots 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}
.typing i:nth-child(3){animation-delay:.3s}
@keyframes dots{0%,60%,100%{opacity:.25}30%{opacity:1}}

/* a clickable card inside Otto's reply that opens the details panel */
.ref{display:flex;align-items:center;gap:10px;width:100%;margin-top:10px;padding:8px 10px;background:var(--cream-2);color:var(--ink);
  border:2.5px solid var(--ink);border-radius:10px;box-shadow:3px 3px 0 var(--ink);text-align:left;cursor:pointer;
  transition:transform .08s,box-shadow .08s,background .15s}
.ref:hover{background:var(--yellow);transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--ink)}
.ref:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.ref-ico{display:grid;place-items:center;width:36px;height:36px;flex:none;background:var(--orange);border:2px solid var(--ink);border-radius:8px}
.ref-t{flex:1;min-width:0}
.ref-t b{display:block;font-weight:600}
.ref-t small{display:block;font-size:var(--fs-s);color:var(--muted)}
.ref-go{font-weight:600;font-size:var(--fs-l)}

.chips{display:flex;flex-wrap:wrap;gap:8px;padding:6px max(16px,calc((100% - var(--read-w)) / 2)) 12px;flex:none}
.chip{background:var(--cream-2);color:var(--ink);border:2.5px solid var(--ink);border-radius:9px;box-shadow:3px 3px 0 var(--ink);
  padding:3px 11px;font-size:14px;font-weight:500;cursor:pointer;text-decoration:none;
  transition:transform .08s,box-shadow .08s,background .15s}
.chip:hover,.chip:focus-visible{background:var(--yellow);transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--ink)}
.chip:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.chip:disabled{opacity:.5;cursor:not-allowed}

.composer{display:flex;align-items:center;gap:8px;height:var(--foot-h);padding:0 max(12px,calc((100% - var(--read-w)) / 2));background:var(--bg-alt);border-top:3px solid var(--ink);flex:none}
.composer input{flex:1;min-width:0;height:44px;padding:0 14px;background:var(--cream-2);border:2.5px solid var(--ink);border-radius:10px}
.composer input:focus{outline:none;box-shadow:0 0 0 3px rgba(238,106,53,.55)}
.composer input::placeholder{color:var(--faint)}
.composer input:disabled{opacity:.6}
.send{height:44px;padding:0 20px}

/* ---------- divider and right panel ---------- */
.split{cursor:col-resize;background:linear-gradient(var(--ink),var(--ink)) left/3px 100% no-repeat,var(--bg-alt);
  min-width:0;overflow:hidden;touch-action:none}
.split:hover,.split:focus-visible,.dragging .split{background:linear-gradient(var(--ink),var(--ink)) left/3px 100% no-repeat,var(--yellow)}
.panel{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--cream);overflow:hidden}
.frame:not(.panel-open) .panel,.frame:not(.panel-open) .split{visibility:hidden}
.panel-body{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column}
.view[hidden]{display:none}
.view{flex:1;min-height:0;display:flex;flex-direction:column}

/* ---------- walkthrough ---------- */
.steprow{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:3px solid var(--ink);background:var(--cream-2);flex:none}
.steps{display:flex;gap:6px;flex-wrap:wrap;flex:1}
.steps button{display:flex;align-items:center;gap:5px;padding:2px 9px 2px 3px;background:var(--cream);border:2.5px solid var(--ink);
  border-radius:9px;font-size:14px;font-weight:500;cursor:pointer}
.steps i{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--bg-alt);border:2px solid var(--ink);
  font-style:normal;font-size:12px;font-weight:600}
.steps button[aria-current="step"]{background:var(--yellow)}
.steps button[aria-current="step"] i{background:var(--orange)}
.steps button.done i{background:var(--blue);color:#fff}

.stage{flex:1 1 auto;min-height:300px;display:flex;flex-direction:column;padding:12px 16px;overflow:hidden}
.caption{font-size:var(--fs-l);font-weight:500;min-height:1.5em;margin-bottom:8px}
.scene{display:none;flex:1;min-height:0;flex-direction:column;justify-content:center;align-items:center}
.scene.on{display:flex}

.drop{position:relative;width:100%;height:100%;max-height:250px;border:3px dashed var(--ink);border-radius:14px;
  background:var(--cream-2);display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px;padding:38px 12px 40px;transition:background .3s}
.drop.loaded{border-style:solid;background:#f7e9b4}
.drop-hint{position:absolute;top:10px;left:0;right:0;text-align:center;transition:opacity .3s}
.drop-hint b{display:block;font-weight:600}
.drop-hint span{font-size:var(--fs-s);color:var(--muted)}
.drop.has-file .drop-hint{opacity:0}
.file{width:150px;padding:8px 10px;background:var(--cream);border:2.5px solid var(--ink);border-radius:9px;box-shadow:3px 3px 0 var(--ink);
  text-align:center;opacity:0;transform:translateY(-90px) rotate(-5deg);transition:opacity .35s,transform .55s cubic-bezier(.3,1.3,.5,1)}
.file.in{opacity:1;transform:none}
.file b{display:block;font-size:14px;font-weight:600}
.file>span:last-child{display:block;font-size:var(--fs-s);color:var(--muted)}
.xl{display:inline-block;margin-bottom:3px;padding:0 7px;border:2px solid var(--ink);border-radius:5px;background:var(--yellow);font-size:12px;font-weight:600}
#f2 .xl{background:#8fd0f0}
.drop-done{position:absolute;bottom:9px;left:50%;transform:translateX(-50%);padding:1px 12px;background:var(--blue);color:#fff;
  border:2px solid var(--ink);border-radius:999px;font-size:var(--fs-s);font-weight:500;opacity:0;transition:opacity .3s;white-space:nowrap}
.drop.loaded .drop-done{opacity:1}

.map{width:100%;max-width:520px}
.map-head,.map-row{display:grid;grid-template-columns:1fr 24px 1fr 26px;align-items:center;gap:8px}
.map-head{font-size:var(--fs-s);font-weight:600;color:var(--muted);margin-bottom:6px}
.map-row{margin-bottom:7px;opacity:0;transform:translateX(-10px);transition:opacity .3s,transform .3s}
.map-row.on{opacity:1;transform:none}
.map-row code,.map-row b{display:block;padding:2px 10px;border:2px solid var(--ink);border-radius:7px;font-family:inherit;font-size:15px}
.map-row code{background:var(--cream-2);font-weight:400}
.map-row b{background:var(--yellow);font-weight:600}
.map-row i{font-style:normal;text-align:center;font-weight:600}
.map-row em{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--blue);color:#fff;border:2px solid var(--ink);
  font-style:normal;font-size:13px;font-weight:600;opacity:0;transition:opacity .2s .25s}
.map-row.on em{opacity:1}
.map-done{margin-top:4px;font-weight:600;color:var(--accent-text);opacity:0;transition:opacity .3s}
.map-done.on{opacity:1}

.drag{position:relative;display:grid;grid-template-columns:1fr 1.2fr;gap:16px;width:100%;max-width:560px}
.box{padding:8px 10px 10px;background:var(--cream-2);border:2.5px solid var(--ink);border-radius:10px}
.box h3{font-size:var(--fs-s);font-weight:600;color:var(--muted)}
.box li{margin-top:7px;padding:4px 10px;background:var(--cream);border:2px solid var(--ink);border-radius:8px;box-shadow:2px 2px 0 var(--ink);font-weight:500}
#pool li.taken{opacity:.35;box-shadow:none}
#orderList li{visibility:hidden;background:var(--yellow)}
#orderList li.on{visibility:visible}
.target.hot{outline:3px dashed var(--orange);outline-offset:2px}
.ghost{position:absolute;z-index:5;margin:0;padding:4px 10px;background:var(--yellow);border:2px solid var(--ink);border-radius:8px;
  box-shadow:4px 4px 0 var(--ink);font-weight:500;pointer-events:none}
.ghost::after{content:"";position:absolute;right:-8px;bottom:-14px;width:16px;height:20px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 20'%3E%3Cpath d='M1 1v15l4-3.5 3 6.5 3-1.4-3-6.2h5.5z' fill='%23fff' stroke='%231a1411' stroke-width='1.6' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center/contain}

.math{width:100%;max-width:560px;border-collapse:separate;border-spacing:0;border:2.5px solid var(--ink);border-radius:10px;overflow:hidden;
  background:var(--cream-2);font-variant-numeric:tabular-nums}
.math th{background:var(--yellow);padding:5px 10px;border-bottom:2.5px solid var(--ink);font-size:var(--fs-s);font-weight:600;text-align:right;white-space:nowrap}
.math td{padding:6px 10px;border-bottom:2px dashed #b9ab98;text-align:right;white-space:nowrap}
.math th:first-child,.math td:first-child{text-align:left}
.math tr:last-child td{border-bottom:0}
.math td:first-child{font-weight:500}
.math .sg{font-weight:600;color:var(--accent-text)}
.rule{margin-top:10px;font-size:14px;color:var(--muted);text-align:center}

.results{flex:none;display:flex;flex-direction:column;gap:12px;padding:12px 14px 14px;background:var(--bg-alt);border-top:3px solid var(--ink)}
.card{position:relative;display:flex;flex-direction:column;overflow:hidden;background:var(--cream-2);
  border:2.5px solid var(--ink);border-radius:10px;box-shadow:3px 3px 0 var(--ink)}
.card h3{flex:none;padding:3px 10px;background:var(--yellow);border-bottom:2.5px solid var(--ink);font-size:14px;font-weight:600}
.card .wait{position:absolute;inset:34px 10px 8px;display:grid;place-items:center;text-align:center;color:var(--faint);font-size:14px}
.card.filled .wait{display:none}
.est{padding:6px 10px}
.est table{width:100%;border-collapse:separate;border-spacing:0;font-size:14px;font-variant-numeric:tabular-nums}
.est td{padding:3px 0;white-space:nowrap;opacity:0;transition:opacity .3s}
.est tr.on td{opacity:1}
.est td:nth-child(2){padding:0 8px;color:var(--muted)}
.est td:last-child{text-align:right}
.est .tot td{border-top:2px solid var(--ink);font-weight:600;color:var(--ink)}
.msg-text{min-height:5.8em;margin:8px 10px 6px;padding-left:10px;border-left:4px solid var(--orange);font-size:14px;line-height:1.45}
.card .btn.sm{align-self:flex-start;margin:0 10px 9px}

/* ---------- contact view ---------- */
.contact{padding:20px 20px 24px;gap:12px;align-items:flex-start}
.contact h2{font-size:20px;font-weight:600}
.checks li{position:relative;padding:3px 0 3px 26px}
.checks li::before{content:"\2713";position:absolute;left:0;top:3px;display:grid;place-items:center;width:18px;height:18px;border-radius:50%;
  background:var(--blue);color:#fff;border:2px solid var(--ink);font-size:11px;font-weight:600;line-height:1}

/* ---------- shorter screens ---------- */
@media (max-height:760px){
  :root{--fs:14px;--fs-l:16px;--head-h:44px}
  .app{padding:8px}

  .stage{min-height:250px;padding:8px 14px}
  .caption{margin-bottom:4px}
  .drop{max-height:200px}
  .rule{display:none}
  .msg-text{min-height:4.4em}
}

/* ---------- phones and narrow windows ---------- */
@media (max-width:860px){
  .app{padding:0}
  .frame{grid-template-columns:minmax(0,1fr);border:0;border-radius:0;box-shadow:none;--shadow:none}
  .navbtn{display:grid}
  .tabbar .sub{display:none}
  .tabbar b{margin-right:auto}
  .side{position:fixed;inset:0 auto 0 0;width:min(290px,86vw);z-index:60;border-right:3px solid var(--ink);
    transform:translateX(-105%);visibility:hidden;transition:transform .2s,visibility .2s}
  .frame.side-open .side{transform:none;visibility:visible;box-shadow:6px 0 0 var(--ink)}
  .scrim{display:none;position:fixed;inset:0;z-index:55;background:rgba(26,20,17,.45)}
  .frame.side-open .scrim{display:block}
  .split{display:none}
  .panel{position:absolute;inset:0;z-index:30}
  .panel .tabbar{justify-content:space-between}
  .msg{max-width:92%}
  .stage{flex:none;overflow:visible;min-height:0}
  .scene{flex:none;padding:6px 0}
  .drop{height:230px}
}
@media (max-width:420px){
  .map-head,.map-row{grid-template-columns:1fr 18px 1fr 24px;gap:5px}
  .steps button{padding-right:7px}
  .math td,.math th{padding:5px 6px}
}
@media (min-width:861px){.scrim{display:none}}

/* ---------- hero (top of the chat) ---------- */
.hero{flex:none;display:flex;align-items:center;gap:16px;flex-wrap:wrap;background:var(--cream-2);border-bottom:3px solid var(--ink);
  padding:14px max(16px,calc((100% - var(--read-w)) / 2))}
.otto-hero{--s:92px}
.otto-hero.react{animation:hop .5s ease-out}
@keyframes hop{0%{transform:translateY(0)}35%{transform:translateY(-10px) rotate(-4deg)}70%{transform:translateY(0) rotate(3deg)}100%{transform:none}}
.hero-text{flex:1 1 300px;min-width:0}
.brandline{display:block;margin-bottom:2px;font-size:20px;font-weight:200;line-height:1}
.brandline em{font-style:normal;font-weight:300;color:var(--accent-text)}
@media (min-width:861px){.frame:not(.side-collapsed) .brandline{display:none}}
.hero h1{font-size:26px;line-height:1.15;font-weight:600}
.hero-sub{margin-top:6px;color:var(--muted)}
.hero-say{flex:none;align-self:center;padding:6px 14px;background:var(--yellow);border:2.5px solid var(--ink);border-radius:14px 14px 14px 4px;
  box-shadow:3px 3px 0 var(--ink);font-weight:600;cursor:pointer;transition:transform .08s,box-shadow .08s,background .15s}
.hero-say:hover{background:#f3cb4a;transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--ink)}
.hero-say.pop{animation:pop .35s ease-out}
@keyframes pop{0%{transform:scale(.85)}60%{transform:scale(1.06)}100%{transform:none}}
@media (max-width:1100px){.otto-hero{--s:64px}.hero h1{font-size:22px}.hero-sub{font-size:14px}}
@media (max-height:760px){.hero{padding-top:8px;padding-bottom:8px}.hero-sub{display:none}.otto-hero{--s:60px}.hero h1{font-size:22px}}

/* ---------- starter cards ---------- */
.starters{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:4px 0 0 52px}
.starter{display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding:12px;background:var(--cream-2);border:2.5px solid var(--ink);
  border-radius:12px;box-shadow:4px 4px 0 var(--ink);text-align:left;cursor:pointer;transition:transform .08s,box-shadow .08s,background .15s}
.starter:hover,.starter:focus-visible{background:var(--yellow);transform:translate(-1px,-1px);box-shadow:5px 5px 0 var(--ink)}
.starter:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.starter .ref-ico{margin-bottom:4px}
.starter b{font-weight:600;font-size:16px}
.starter small{color:var(--muted);font-size:var(--fs-s)}
@media (max-width:860px){.starters{margin-left:0}
  .hero{gap:8px 12px;padding:10px 14px}.hero-text{flex:1 1 200px}.otto-hero{--s:56px;align-self:flex-start}
  .hero h1{font-size:19px}.hero-sub{font-size:13px;margin-top:4px}.hero-say{margin-left:68px}}

/* ---------- "your turn" bar in the walkthrough ---------- */
.btn.alt{background:var(--cream)}
.btn.alt:hover{background:var(--yellow)}
.steps button.locked{opacity:.55;cursor:not-allowed}
.act-row{flex:none;display:flex;align-items:center;gap:12px;min-height:50px;padding-top:8px}
.act-row.off{visibility:hidden}
.act{flex:none;white-space:nowrap;padding:7px 18px;font-size:16px;animation:pulse 1.5s ease-out infinite}
.act::before{content:"\25B6";font-size:10px;animation:nudge .7s ease-in-out infinite alternate}
.act-hint{font-size:var(--fs-s);color:var(--muted)}
@keyframes pulse{0%{box-shadow:3px 3px 0 var(--ink),0 0 0 0 rgba(238,106,53,.75)}70%{box-shadow:3px 3px 0 var(--ink),0 0 0 14px rgba(238,106,53,0)}100%{box-shadow:3px 3px 0 var(--ink),0 0 0 0 rgba(238,106,53,0)}}
@keyframes nudge{to{transform:translateX(4px)}}
#pool.nudge li:not(.taken):not(:hover):not(:focus-visible){animation:wiggle .9s ease-in-out infinite;cursor:grab;touch-action:none;user-select:none}
@keyframes wiggle{0%,100%{transform:rotate(0)}25%{transform:rotate(-1.5deg)}75%{transform:rotate(1.5deg)}}
.drop.over{border-style:solid;background:#f7e9b4}

/* ---------- loading screen ---------- */
.boot{position:fixed;inset:0;z-index:200;display:grid;place-items:center;background:var(--bg);
  background-image:radial-gradient(rgba(26,20,17,.14) 1.2px,transparent 1.3px);background-size:18px 18px;cursor:pointer;
  transition:opacity .28s}
.boot.out{opacity:0;pointer-events:none}
.boot-win{width:min(460px,90vw);background:var(--cream);border:3px solid var(--ink);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.boot-title{display:flex;justify-content:space-between;align-items:center;padding:6px 12px;background:var(--blue);color:#fff;border-bottom:3px solid var(--ink);font-weight:600}
.boot-title span{letter-spacing:.18em;white-space:pre}
.boot-body{padding:22px 22px 16px;text-align:center}
.boot-msg{min-height:1.5em;font-size:var(--fs-l);font-weight:500}
.boot-bar{position:relative;display:flex;gap:3px;margin-top:48px;padding:4px;background:var(--cream-2);border:3px solid var(--ink);border-radius:8px}
.boot-bar b{flex:1;aspect-ratio:1;background:rgba(26,20,17,.1);border-radius:2px}
.boot-bar b.on.c0{background:var(--orange)}
.boot-bar b.on.c1{background:var(--yellow)}
.boot-bar b.on.c2{background:var(--blue)}
.boot-cursor{position:absolute;top:-32px;left:0;width:20px;height:20px;background:var(--orange);border:3px solid var(--ink);box-shadow:2px 2px 0 var(--ink);
  transition:left .09s linear;animation:hop-sq .45s ease-in-out infinite}
@keyframes hop-sq{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.boot-pct{margin-top:12px;font-size:44px;font-weight:200;line-height:1;font-variant-numeric:tabular-nums}
.boot-skip{margin-top:12px;font-size:var(--fs-s);color:var(--faint)}
.boot-run{position:absolute;left:0;right:0;bottom:7vh;height:40px;overflow:hidden;pointer-events:none}
.boot-run i{position:absolute;bottom:0;left:-30px;width:18px;height:18px;border:3px solid var(--ink);box-shadow:2px 2px 0 var(--ink);
  animation:run 3s linear infinite,hop-sq .45s ease-in-out infinite}
.boot-run i:nth-child(1){background:var(--orange)}
.boot-run i:nth-child(2){background:var(--yellow);animation-delay:-.6s,-.1s}
.boot-run i:nth-child(3){background:var(--blue);animation-delay:-1.2s,-.2s}
.boot-run i:nth-child(4){background:var(--pink);animation-delay:-1.8s,-.3s}
.boot-run i:nth-child(5){background:var(--cream-2);animation-delay:-2.4s,-.15s}
@keyframes run{from{left:-30px}to{left:100%}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .otto .o-eye{transform:scale(.55)}
}