@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@500;600;700&family=Nunito:wght@400;600;700;800&display=swap');
:root{--ink:#1b2a41;--paper:#fbfdff;--yellow:#ffd23f;--orange:#ff9f1c;--red:#ef476f;--green:#06d6a0;--blue:#118ab2;--purple:#7b5cff;--navy:#0f1d33}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:Nunito,system-ui,sans-serif;color:var(--ink);min-height:100vh;-webkit-tap-highlight-color:transparent;
 background:#10223a;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:36px 36px}
.top{display:flex;align-items:center;gap:12px;padding:10px 16px;background:rgba(5,12,24,.55);backdrop-filter:blur(6px);color:#fff;position:sticky;top:0;z-index:20}
.back{color:#fff;text-decoration:none;font-weight:800;background:rgba(255,255,255,.13);padding:8px 13px;border-radius:12px;white-space:nowrap}
.top h1{font:600 21px Fredoka,sans-serif;margin:0;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dots{display:flex;gap:6px}
.dots span{width:13px;height:13px;border-radius:50%;background:rgba(255,255,255,.22)}
.dots span.on{background:var(--yellow);box-shadow:0 0 8px var(--yellow)}
.dots span.done{background:var(--green)}
.pill{font:600 17px Fredoka,sans-serif;background:rgba(255,210,63,.18);color:var(--yellow);padding:6px 12px;border-radius:99px;white-space:nowrap}
.stage{max-width:1180px;margin:0 auto;padding:18px 16px 60px}
.card{background:#fff;border-radius:22px;padding:20px 22px;box-shadow:0 12px 34px rgba(0,0,0,.3)}
.card+.card{margin-top:16px}
h2{font:600 27px Fredoka,sans-serif;margin:0 0 6px}
h3{font:600 20px Fredoka,sans-serif;margin:14px 0 6px}
.kicker{font:700 13px Nunito;letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}
.lead{font-size:17.5px;line-height:1.5;margin:6px 0 10px}
p{line-height:1.5}
.split{display:grid;gap:18px;align-items:start}
@media(min-width:900px){.split{grid-template-columns:minmax(300px,1fr) 1.55fr}}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.btn{font:600 19px Fredoka,sans-serif;border:0;border-radius:14px;padding:12px 22px;background:var(--blue);color:#fff;cursor:pointer;box-shadow:0 4px 0 rgba(0,0,0,.22);touch-action:manipulation}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 rgba(0,0,0,.22)}
.btn.go{background:var(--green);color:#043d2e}
.btn.warm{background:var(--orange);color:#3a2300}
.btn.ghost{background:#edf2f9;color:var(--ink)}
.btn[disabled]{opacity:.4;pointer-events:none}
.board{background-color:var(--paper);background-image:linear-gradient(#e6eef8 1px,transparent 1px),linear-gradient(90deg,#e6eef8 1px,transparent 1px);background-size:20px 20px;border-radius:18px;border:3px solid #d3e0f0;touch-action:manipulation;user-select:none;-webkit-user-select:none;overflow:hidden}
.board svg{width:100%;height:auto;display:block;max-height:62vh}
.board.small svg{max-height:240px}
.board .sy line,.board .sy path,.board .sy rect,.board .sy circle{stroke:var(--ink);stroke-width:3.2;stroke-linecap:round;fill:none}
.board .hit{cursor:pointer}
.board .hit:hover{fill:rgba(17,138,178,.08)}
.board .slot{stroke:#b9cbe1;stroke-width:3;stroke-dasharray:3 8;stroke-linecap:round}
.board .flow{stroke:var(--orange);stroke-width:7;stroke-linecap:round;fill:none;stroke-dasharray:.1 22}
.board .lbl{font:800 15px Nunito,sans-serif;fill:var(--ink)}
.board .lbl.tag{fill:#5a6f8c;font-size:14px}
.board .lbl.m{font-size:18px}
.waves{animation:wv .35s infinite alternate}
@keyframes wv{from{opacity:.25}to{opacity:1}}
.pulse{animation:pl .5s infinite alternate}
@keyframes pl{from{opacity:.35}to{opacity:1}}
.flashk{animation:fk .9s 2}
@keyframes fk{50%{opacity:.25}}
.status{min-height:24px;font-weight:800;margin-top:8px;color:#a3173d}
.palette{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 4px}
.tool{display:flex;flex-direction:column;align-items:center;gap:1px;border:3px solid #dde7f3;background:#fff;border-radius:14px;padding:5px 6px 6px;min-width:78px;font:800 13px Nunito;color:var(--ink);cursor:pointer;touch-action:manipulation}
.tool svg{width:62px;height:34px}
.tool.sel{border-color:var(--orange);background:#fff4e2;box-shadow:0 0 0 3px rgba(255,159,28,.25)}
.tool .sy line,.tool .sy path,.tool .sy rect,.tool .sy circle{stroke:var(--ink);stroke-width:3.2;stroke-linecap:round;fill:none}
.msg{padding:12px 14px;border-radius:14px;background:#eef6ff;font-weight:700;margin-top:12px;line-height:1.45}
.msg.good{background:#dcfaf0;color:#05664d}
.msg.bad{background:#ffe8ee;color:#a3173d}
.msg.warn{background:#fff3d4;color:#7a4f00}
.goals{list-style:none;padding:0;margin:10px 0}
.goals li{padding:7px 0 7px 36px;position:relative;font-weight:700;font-size:16.5px}
.goals li::before{content:'';position:absolute;left:0;top:5px;width:24px;height:24px;border-radius:8px;border:3px solid #c8d6e8}
.goals li.done{color:#05664d}
.goals li.done::before{background:var(--green);border-color:var(--green)}
.goals li.done::after{content:'✓';position:absolute;left:6px;top:4px;color:#fff;font-weight:900}
.opts{display:grid;gap:10px;margin-top:10px}
@media(min-width:700px){.opts.two{grid-template-columns:1fr 1fr}}
.opt{text-align:left;font:700 17px Nunito;color:var(--ink);border:3px solid #dde7f3;background:#fff;border-radius:14px;padding:12px 14px;cursor:pointer;touch-action:manipulation}
.opt:hover{border-color:#b5c9e2}
.opt.right{border-color:var(--green);background:#dcfaf0}
.opt.wrong{border-color:var(--red);background:#ffe8ee}
.opt[disabled]{cursor:default}
.shake{animation:shake .4s}
@keyframes shake{20%,60%{transform:translateX(-7px)}40%,80%{transform:translateX(7px)}}
.fact{background:#fff7dd;border-left:6px solid var(--yellow);padding:10px 14px;border-radius:10px;font-weight:600;margin-top:12px}
.end{text-align:center;padding:34px 20px}
.end .big{font-size:64px;letter-spacing:6px;margin:10px 0}
.end .big span{display:inline-block;animation:popin .5s backwards}
@keyframes popin{from{transform:scale(0) rotate(-40deg)}}
.readout{font:600 18px Fredoka;background:#13233b;color:#9fe8ff;border-radius:12px;padding:10px 14px;margin-top:10px;display:flex;gap:16px;flex-wrap:wrap}
.readout b{color:var(--yellow);font-weight:600}
.mini{display:grid;gap:14px}
@media(min-width:800px){.mini.two{grid-template-columns:1fr 1fr}}
.hide{display:none!important}