:root{
  --bg:#FFF7ED;--surface:#FFFFFF;--surface-2:#FFF0DC;--raise:#FFFBF4;
  --ink:#2A2440;--ink-soft:#6B6480;--line:#F1E3CE;
  --sun:#FF8A00;--sun-deep:#E06E00;--sun-ink:#7A3E00;
  --teal:#0FA99C;--teal-bg:#DDF6F2;--coral:#E23B63;--coral-bg:#FCE1E8;
  --grape:#7C4DFF;--grape-bg:#EEE7FF;--gold:#F5B400;
  --shadow:0 6px 22px rgba(80,50,10,.10);--shadow-sm:0 2px 8px rgba(80,50,10,.08);
  --r:18px;--r-lg:26px;--r-sm:12px;
  --fdisp:ui-rounded,"SF Pro Rounded","Nunito","Segoe UI",system-ui,sans-serif;
  --fbody:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#171327;--surface:#211B38;--surface-2:#2A2350;--raise:#2C2652;
  --ink:#F4EFFF;--ink-soft:#B4AAD2;--line:#352C55;
  --sun:#FF9E2C;--sun-deep:#FF8A00;--sun-ink:#1c1330;--teal:#2AD3C4;--teal-bg:#123c3a;
  --coral:#FF6E8E;--coral-bg:#3d1f2b;--grape:#A98BFF;--grape-bg:#2c2258;--gold:#FFD35C;
  --shadow:0 8px 26px rgba(0,0,0,.35);--shadow-sm:0 2px 10px rgba(0,0,0,.3);
}}
:root[data-theme="light"]{--bg:#FFF7ED;--surface:#FFFFFF;--surface-2:#FFF0DC;--raise:#FFFBF4;--ink:#2A2440;--ink-soft:#6B6480;--line:#F1E3CE;--sun:#FF8A00;--sun-deep:#E06E00;--sun-ink:#7A3E00;--teal:#0FA99C;--teal-bg:#DDF6F2;--coral:#E23B63;--coral-bg:#FCE1E8;--grape:#7C4DFF;--grape-bg:#EEE7FF;--gold:#F5B400;--shadow:0 6px 22px rgba(80,50,10,.10);--shadow-sm:0 2px 8px rgba(80,50,10,.08);}
:root[data-theme="dark"]{--bg:#171327;--surface:#211B38;--surface-2:#2A2350;--raise:#2C2652;--ink:#F4EFFF;--ink-soft:#B4AAD2;--line:#352C55;--sun:#FF9E2C;--sun-deep:#FF8A00;--sun-ink:#1c1330;--teal:#2AD3C4;--teal-bg:#123c3a;--coral:#FF6E8E;--coral-bg:#3d1f2b;--grape:#A98BFF;--grape-bg:#2c2258;--gold:#FFD35C;--shadow:0 8px 26px rgba(0,0,0,.35);--shadow-sm:0 2px 10px rgba(0,0,0,.3);}
*{box-sizing:border-box}body{margin:0;background:var(--bg)}
#app{font-family:var(--fbody);color:var(--ink);background:var(--bg);min-height:100vh;font-size:17px;line-height:1.5;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
h1,h2,h3,.disp{font-family:var(--fdisp);font-weight:800;letter-spacing:-.01em;text-wrap:balance;margin:0}
.wrap{max-width:780px;margin:0 auto;padding:0 18px 120px}
.num{font-variant-numeric:tabular-nums}button{font-family:inherit}
.eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}
.topbar{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-in{max-width:780px;margin:0 auto;padding:10px 14px;display:flex;align-items:center;gap:10px}
.brand{display:flex;align-items:center;gap:9px;cursor:pointer;background:none;border:0;padding:0;color:inherit}
.brand .logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,var(--sun),var(--gold));display:grid;place-items:center;box-shadow:var(--shadow-sm)}
.brand b{font-family:var(--fdisp);font-size:1.02rem;line-height:1}.brand small{display:block;font-size:.66rem;color:var(--ink-soft);font-weight:700;letter-spacing:.04em}
.top-spacer{flex:1}.xp-mini{display:flex;align-items:center;gap:8px}
.lvl-badge{font-family:var(--fdisp);font-weight:800;font-size:.8rem;background:var(--grape-bg);color:var(--grape);padding:4px 10px;border-radius:999px;white-space:nowrap}
.xp-bar{width:80px;height:10px;border-radius:999px;background:var(--surface-2);overflow:hidden;box-shadow:inset 0 1px 3px rgba(0,0,0,.12)}
.xp-fill{height:100%;background:linear-gradient(90deg,var(--gold),var(--sun));border-radius:999px;transition:width .5s cubic-bezier(.2,.8,.2,1);width:0}
.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer;font-size:1.05rem;transition:transform .1s,background .15s}
.icon-btn:hover{background:var(--surface-2)}.icon-btn:active{transform:scale(.94)}
.pomo{display:flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px 6px 4px 12px;box-shadow:var(--shadow-sm)}
.pomo .t{font-family:var(--fdisp);font-weight:800;font-size:.92rem;min-width:44px;text-align:center;font-variant-numeric:tabular-nums}
.pomo .dot{width:8px;height:8px;border-radius:50%;background:var(--teal)}.pomo.break .dot{background:var(--sun)}
.pomo button{width:30px;height:30px;border-radius:50%;border:0;background:var(--sun);color:#fff;cursor:pointer;display:grid;place-items:center;font-size:.8rem}.pomo button:active{transform:scale(.92)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:14px;padding:14px 20px;font-family:var(--fdisp);font-weight:800;font-size:1.02rem;cursor:pointer;transition:transform .1s,filter .15s;min-height:52px}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--sun);color:#fff;box-shadow:0 5px 0 var(--sun-deep)}.btn-primary:active{box-shadow:0 2px 0 var(--sun-deep);transform:translateY(3px)}
.btn-ghost{background:var(--surface);color:var(--ink);border:1.5px solid var(--line)}.btn-ghost:hover{background:var(--surface-2)}
.btn-block{width:100%}.btn:disabled{opacity:.5;cursor:default}
.home-hero{text-align:center;padding:14px 0 4px}.greet{font-size:1.9rem;margin-top:6px}.greet .name{color:var(--sun)}
.subgreet{color:var(--ink-soft);margin-top:4px}
.pet-stage{margin:6px auto 2px;width:200px;height:200px;display:grid;place-items:center}.pet-stage svg{width:100%;height:100%;overflow:visible}
@media (prefers-reduced-motion:no-preference){.pet-bob{animation:bob 3.2s ease-in-out infinite}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.pet-name{font-family:var(--fdisp);font-weight:800;font-size:1.05rem}.pet-name small{display:block;font-weight:700;font-size:.72rem;color:var(--ink-soft);letter-spacing:.04em}
.home-xp{max-width:340px;margin:14px auto 0}.home-xp .row{display:flex;justify-content:space-between;font-size:.8rem;font-weight:700;color:var(--ink-soft);margin-bottom:5px}
.home-xp .bar{height:16px;border-radius:999px;background:var(--surface-2);overflow:hidden;box-shadow:inset 0 1px 3px rgba(0,0,0,.12)}
.home-xp .fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--sun));transition:width .6s cubic-bezier(.2,.8,.2,1)}
.home-actions{display:flex;flex-direction:column;gap:12px;max-width:420px;margin:22px auto 0}
.stat-row{display:flex;gap:12px;max-width:420px;margin:16px auto 0}
.stat{flex:1;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px;text-align:center;box-shadow:var(--shadow-sm)}
.stat b{font-family:var(--fdisp);font-size:1.4rem;display:block}.stat span{font-size:.72rem;color:var(--ink-soft);font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.shelf{margin:22px auto 0;max-width:520px}.shelf h3{font-size:1rem;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.badge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:10px}
.badge{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 6px;text-align:center;box-shadow:var(--shadow-sm)}
.badge .medal{width:44px;height:44px;margin:0 auto 5px;border-radius:50%;display:grid;place-items:center;background:var(--grape-bg);font-size:20px}
.badge.locked{opacity:.45;filter:grayscale(.7)}.badge.locked .medal{background:var(--surface-2)}.badge small{font-size:.66rem;font-weight:700;line-height:1.15;display:block}
.screen-head{display:flex;align-items:center;gap:12px;padding:16px 0 6px}.screen-head h1{font-size:1.5rem}
.tile{display:flex;align-items:center;gap:14px;width:100%;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin-bottom:12px;box-shadow:var(--shadow-sm);cursor:pointer;transition:transform .12s,box-shadow .15s;color:inherit}
.tile:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.tile .ic{flex:0 0 auto;width:54px;height:54px;border-radius:16px;display:grid;place-items:center;color:#fff}
.tile .body{flex:1;min-width:0}.tile .body b{font-family:var(--fdisp);font-size:1.06rem;display:block}.tile .body .meta{font-size:.78rem;color:var(--ink-soft);font-weight:600}
.tile.suggested{border-color:var(--sun);box-shadow:0 0 0 2px color-mix(in srgb,var(--sun) 30%,transparent),var(--shadow-sm)}
.stars{display:flex;gap:2px}.stars svg{width:16px;height:16px}
.pill{display:inline-block;font-size:.62rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#7A3E00;background:var(--gold);padding:2px 7px;border-radius:999px;vertical-align:middle;margin-left:6px}
:root[data-theme="dark"] .pill{color:#1c1330}
.chip{display:inline-block;font-size:.66rem;font-weight:800;padding:3px 9px;border-radius:999px;background:var(--teal-bg);color:var(--teal)}
.tabs{display:flex;gap:6px;background:var(--surface-2);padding:5px;border-radius:14px;margin:6px 0 16px}
.tabs button{flex:1;border:0;background:transparent;padding:10px;border-radius:10px;font-family:var(--fdisp);font-weight:800;font-size:.92rem;color:var(--ink-soft);cursor:pointer}
.tabs button.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:2px 0 16px}
.chip-btn{flex:1 1 auto;min-width:110px;padding:14px 12px;border-radius:14px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);font-family:var(--fdisp);font-weight:800;cursor:pointer;text-align:center;transition:transform .1s,border-color .12s}
.chip-btn:hover{border-color:var(--sun)}.chip-btn:active{transform:scale(.98)}.chip-btn small{display:block;font-size:.68rem;font-weight:700;color:var(--ink-soft);margin-top:2px}
.chip-btn.stretch{border-color:var(--grape)}.chip-btn.stretch b{color:var(--grape)}
.learn-card{padding:18px;margin-bottom:14px}.learn-card h3{font-size:1.1rem;margin-bottom:8px;color:#8a4a00}:root[data-theme="dark"] .learn-card h3{color:var(--sun)}
.learn-card p{margin:0 0 8px}.learn-card .ex{background:var(--surface-2);border-radius:12px;padding:12px 14px;font-size:.95rem}.learn-card .ex b{color:var(--teal)}
.figure{background:var(--surface-2);border-radius:14px;padding:14px;margin:0 0 14px;text-align:center;overflow-x:auto}.figure svg{max-width:100%;height:auto}
.kbd{background:var(--surface-2);border-radius:8px;padding:1px 7px;font-family:var(--fdisp);font-weight:800;display:inline-block}
.quiz-top{display:flex;align-items:center;gap:12px;padding:14px 0 8px}.dots{display:flex;gap:5px;flex:1;flex-wrap:wrap}
.dot-q{width:10px;height:10px;border-radius:50%;background:var(--surface-2)}.dot-q.done{background:var(--teal)}.dot-q.miss{background:var(--coral)}.dot-q.cur{background:var(--sun);box-shadow:0 0 0 3px color-mix(in srgb,var(--sun) 25%,transparent)}
.q-count{font-family:var(--fdisp);font-weight:800;font-size:.85rem;color:var(--ink-soft);font-variant-numeric:tabular-nums}
.qcard{padding:22px 20px}.qtext{font-family:var(--fdisp);font-weight:800;font-size:1.28rem;line-height:1.35;margin-bottom:18px;text-wrap:balance}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:var(--surface);border:2px solid var(--line);border-radius:14px;padding:15px 16px;font-size:1.05rem;cursor:pointer;transition:border-color .12s,background .12s,transform .08s;color:inherit}
.opt:hover:not(:disabled){border-color:var(--sun)}.opt:active:not(:disabled){transform:scale(.99)}
.opt .key{flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:var(--surface-2);display:grid;place-items:center;font-family:var(--fdisp);font-weight:800;font-size:.9rem}
.opt.correct{border-color:var(--teal);background:var(--teal-bg)}.opt.correct .key{background:var(--teal);color:#fff}
.opt.wrong{border-color:var(--coral);background:var(--coral-bg)}.opt.wrong .key{background:var(--coral);color:#fff}.opt:disabled{cursor:default}
.num-in{display:flex;gap:10px}.num-in input{flex:1;font-family:var(--fdisp);font-weight:800;font-size:1.3rem;padding:14px 16px;border-radius:14px;border:2px solid var(--line);background:var(--surface);color:var(--ink);min-width:0;font-variant-numeric:tabular-nums}
.num-in input:focus{outline:none;border-color:var(--sun)}.num-in input.correct{border-color:var(--teal);background:var(--teal-bg)}.num-in input.wrong{border-color:var(--coral);background:var(--coral-bg)}
textarea.write{width:100%;min-height:130px;font-family:var(--fbody);font-size:1.05rem;padding:14px;border-radius:14px;border:2px solid var(--line);background:var(--surface);color:var(--ink);resize:vertical;line-height:1.5}textarea.write:focus{outline:none;border-color:var(--sun)}
.starters{background:var(--surface-2);border-radius:12px;padding:12px 14px;margin-bottom:12px;font-size:.95rem}.starters div{margin:3px 0}
.fb{margin-top:16px;padding:15px 16px;border-radius:14px;font-size:.98rem;display:none}.fb.show{display:block;animation:pop .25s ease}
@keyframes pop{from{transform:scale(.96);opacity:0}to{transform:scale(1);opacity:1}}
.fb.good{background:var(--teal-bg);border:1.5px solid var(--teal)}.fb.bad{background:var(--coral-bg);border:1.5px solid var(--coral)}
.fb b{font-family:var(--fdisp)}.fb .expl{margin-top:6px;color:var(--ink)}.fb .plus{font-family:var(--fdisp);font-weight:800;color:var(--sun);float:right}
.action-row{display:flex;gap:10px;margin-top:16px}
.model-box{margin-top:12px;background:var(--surface-2);border-radius:12px;padding:12px 14px;font-size:.95rem}.model-box .chklist{margin:8px 0 0;padding-left:18px}.model-box .chklist li{margin:3px 0}
.result{text-align:center;padding:24px 8px}.result .ring{width:150px;height:150px;margin:8px auto 10px}.result h1{font-size:1.7rem;margin:6px 0}
.result .big-stars{display:flex;justify-content:center;gap:8px;margin:8px 0}.result .big-stars svg{width:40px;height:40px}
.result .score{font-family:var(--fdisp);font-weight:800;font-size:1.15rem;color:var(--ink-soft)}
.review{max-width:640px;margin:18px auto 0;text-align:left}.review-item{padding:12px 14px;border-radius:12px;background:var(--surface);border:1px solid var(--line);margin-bottom:8px;font-size:.92rem}
.review-item .q{font-weight:700}.review-item .ans{color:var(--teal);font-weight:700}
.overlay{position:fixed;inset:0;z-index:80;background:color-mix(in srgb,var(--ink) 55%,transparent);backdrop-filter:blur(6px);display:grid;place-items:center;padding:20px;animation:fade .25s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{background:var(--surface);border-radius:var(--r-lg);padding:26px 24px;max-width:400px;width:100%;text-align:center;box-shadow:var(--shadow)}
.modal h2{font-size:1.5rem;margin:10px 0 4px}.modal p{color:var(--ink-soft);margin:0 0 16px}.levelup-pet{width:140px;height:140px;margin:0 auto}
.break{position:fixed;inset:0;z-index:90;background:linear-gradient(160deg,var(--grape-bg),var(--bg));display:grid;place-items:center;padding:24px;text-align:center;animation:fade .3s ease}
.break .inner{max-width:400px}.break h1{font-size:2rem;margin-bottom:6px}.break p{color:var(--ink-soft);margin:0 0 18px}
.break .ring-wrap{width:200px;height:200px;margin:0 auto 8px;position:relative}.break .ring-time{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--fdisp);font-weight:800;font-size:2.2rem;font-variant-numeric:tabular-nums}
.break-pet{width:120px;height:120px;margin:12px auto 0}
.toast-wrap{position:fixed;left:0;right:0;bottom:22px;z-index:120;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}
.toast{background:var(--ink);color:var(--bg);padding:11px 18px;border-radius:999px;font-family:var(--fdisp);font-weight:800;font-size:.92rem;box-shadow:var(--shadow);display:flex;align-items:center;gap:9px;animation:toastin .3s ease}
@keyframes toastin{from{transform:translateY(14px);opacity:0}to{transform:translateY(0);opacity:1}}
.footer-note{text-align:center;color:var(--ink-soft);font-size:.75rem;margin-top:30px}
canvas#burst{position:fixed;inset:0;pointer-events:none;z-index:110}
.set-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;border-bottom:1px solid var(--line)}.set-row:last-child{border-bottom:0}
.set-row .lab{font-family:var(--fdisp);font-weight:800}.set-row .lab small{display:block;font-weight:600;font-size:.76rem;color:var(--ink-soft);font-family:var(--fbody)}
.txt-in{font-family:var(--fdisp);font-weight:800;font-size:1.1rem;padding:12px 14px;border-radius:12px;border:2px solid var(--line);background:var(--surface);color:var(--ink);width:180px}.txt-in:focus{outline:none;border-color:var(--sun)}
.switch{width:56px;height:32px;border-radius:999px;border:0;background:var(--surface-2);position:relative;cursor:pointer;flex:0 0 auto}.switch.on{background:var(--teal)}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:26px;height:26px;border-radius:50%;background:#fff;transition:left .18s;box-shadow:0 1px 3px rgba(0,0,0,.3)}.switch.on::after{left:27px}
.seg{display:flex;gap:6px}.seg button{padding:9px 12px;border-radius:10px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);font-family:var(--fdisp);font-weight:800;font-size:.85rem;cursor:pointer}.seg button.on{background:var(--sun);color:#fff;border-color:var(--sun)}
.gate{max-width:440px;margin:5vh auto 0;padding:0 18px}
.gate .pet-stage{width:150px;height:150px}
.gate h1{font-size:1.8rem;text-align:center}.gate .subgreet{text-align:center;margin-bottom:20px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.field label{font-family:var(--fdisp);font-weight:800;font-size:.85rem}
.field input{font-family:var(--fbody);font-size:1.05rem;padding:13px 14px;border-radius:12px;border:2px solid var(--line);background:var(--surface);color:var(--ink)}.field input:focus{outline:none;border-color:var(--sun)}
.gate .err{color:var(--coral);font-weight:700;font-size:.9rem;min-height:1.2em;margin:4px 0}
.gate .swap{text-align:center;margin-top:14px;color:var(--ink-soft);font-size:.9rem}.gate .swap button{background:none;border:0;color:var(--sun);font-weight:800;cursor:pointer;font-family:var(--fdisp)}
.prof-grid{display:flex;flex-direction:column;gap:12px;margin-top:8px}
.prof{display:flex;align-items:center;gap:14px;width:100%;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px;box-shadow:var(--shadow-sm);cursor:pointer;color:inherit;transition:transform .12s,box-shadow .15s}
.prof:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.prof .av{width:52px;height:52px;flex:0 0 auto}
.prof .body b{font-family:var(--fdisp);font-size:1.1rem;display:block}.prof .body .meta{font-size:.8rem;color:var(--ink-soft);font-weight:600}
.lvlpick{display:flex;gap:10px;margin:6px 0 12px}.lvlpick button{flex:1;padding:14px;border-radius:14px;border:2px solid var(--line);background:var(--surface);color:var(--ink);font-family:var(--fdisp);font-weight:800;cursor:pointer;text-align:left}
.lvlpick button.on{border-color:var(--sun);background:color-mix(in srgb,var(--sun) 10%,var(--surface))}.lvlpick button small{display:block;font-weight:600;font-size:.72rem;color:var(--ink-soft);margin-top:3px}
.guide-steps{display:flex;gap:6px;justify-content:center;margin:14px 0}.guide-steps span{width:9px;height:9px;border-radius:50%;background:var(--surface-2)}.guide-steps span.on{background:var(--sun)}
.help-card{padding:18px;margin-bottom:14px}.help-card h3{font-size:1.05rem;margin-bottom:8px;display:flex;align-items:center;gap:8px}.help-card p,.help-card li{color:var(--ink);font-size:.96rem}.help-card ul{margin:6px 0 0;padding-left:20px}.help-card li{margin:4px 0}
.help-card.parent{background:var(--surface-2)}
@media (max-width:420px){.qtext{font-size:1.15rem}.greet{font-size:1.6rem}.chip-btn{min-width:calc(50% - 4px)}}