:root{
  --bg:#fff7e8;--bg2:#ffe9c4;--card:#ffffff;--ink:#2d2a26;--sub:#6b645b;--line:#f0dcb8;
  --accent:#ff8a3d;--accent2:#ffb84d;--accent-ink:#ffffff;--chip:#fff0cf;--err:#c0392b;--errbg:#fdecea;--warnbg:#fff3cd;
  --shadow:0 6px 20px rgba(120,80,20,.12);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#1b1713;--bg2:#2a2218;--card:#26211b;--ink:#f6efe4;--sub:#b9ad9c;--line:#3d3326;
    --accent:#ff9a52;--accent2:#e0a03c;--accent-ink:#1b1713;--chip:#3a2f1f;--err:#ff8a7a;--errbg:#3a1e1b;--warnbg:#3b3317;
    --shadow:0 6px 20px rgba(0,0,0,.4);
  }
}
:root[data-theme="dark"]{
  --bg:#1b1713;--bg2:#2a2218;--card:#26211b;--ink:#f6efe4;--sub:#b9ad9c;--line:#3d3326;
  --accent:#ff9a52;--accent2:#e0a03c;--accent-ink:#1b1713;--chip:#3a2f1f;--err:#ff8a7a;--errbg:#3a1e1b;--warnbg:#3b3317;
  --shadow:0 6px 20px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:linear-gradient(180deg,var(--bg),var(--bg2));background-color:var(--bg);color:var(--ink);
  font-family:"Noto Sans KR",Pretendard,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.5;min-height:100vh;overflow-x:hidden}
.wrap{max-width:760px;margin:0 auto;padding:12px 16px 32px}
.top{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;padding:6px 0 12px}
.top h1{margin:0;font-size:1.35rem;font-weight:900}
.badge{background:var(--accent);color:var(--accent-ink);font-size:.78rem;font-weight:700;padding:4px 12px;border-radius:999px}
.banner{background:var(--warnbg);border:1px solid var(--line);border-radius:16px;padding:10px 14px;margin-bottom:12px;font-size:.92rem}
.banner p{margin:0 0 6px}
.card{background:var(--card);border-radius:28px;padding:20px 16px 22px;box-shadow:var(--shadow);text-align:center}
#idle{width:min(100%,300px);aspect-ratio:1/1;display:block;margin:0 auto;border-radius:24px}
.card h2{margin:6px 0 10px;font-size:1.3rem;font-weight:900}
.bullets{list-style:none;margin:0 auto 12px;padding:0;max-width:420px;text-align:left;display:grid;gap:8px}
.bullets li{background:var(--chip);border-radius:16px;padding:10px 12px;font-size:.94rem;display:flex;gap:10px;align-items:flex-start}
.bullets li span{font-size:1.4rem;line-height:1.2}
.bullets li b{display:block}
.privacy{font-size:.88rem;color:var(--sub);margin:8px 0 14px}
.btn{font:inherit;font-weight:700;border:0;cursor:pointer;background:var(--accent);color:var(--accent-ink);
  padding:12px 18px;border-radius:999px;min-height:48px;font-size:1rem;box-shadow:0 3px 0 rgba(0,0,0,.15);touch-action:manipulation}
.btn:active{transform:translateY(2px);box-shadow:none}
.btn:disabled{opacity:.6;cursor:wait}
.btn.big{font-size:1.2rem;min-height:60px;width:100%;max-width:380px;font-weight:900}
.btn.small{min-height:40px;padding:8px 14px;font-size:.9rem}
.btn.ghost{background:var(--chip);color:var(--ink);box-shadow:none;border:2px solid var(--line)}
.err{background:var(--errbg);color:var(--err);border-radius:14px;padding:10px 12px;margin:14px 0 0;font-size:.92rem;text-align:left;white-space:pre-line}
.bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:10px}
.seg{display:flex;background:var(--chip);border-radius:999px;padding:4px;gap:2px}
.seg button{font:inherit;font-weight:700;font-size:.92rem;border:0;background:transparent;color:var(--ink);
  padding:8px 14px;border-radius:999px;min-height:42px;cursor:pointer}
.seg button.on{background:var(--accent);color:var(--accent-ink)}
.toggle{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.92rem;min-height:44px;cursor:pointer}
.toggle input{width:22px;height:22px;accent-color:var(--accent)}
.stage{display:grid;gap:12px;justify-items:center;--ar:1.3333}
.box{position:relative;width:min(100%,calc(70vh * var(--ar)));aspect-ratio:var(--ar);border-radius:24px;overflow:hidden;background:#222;box-shadow:var(--shadow)}
.box video{position:absolute;inset:0;width:100%;height:100%;transform:scaleX(-1);object-fit:fill;background:#222}
.box canvas{position:absolute;inset:0;width:100%;height:100%}
#anBox{background:linear-gradient(135deg,#ffe9c7,#ffd1e0)}
.mode-overlay #anBox{display:none}
.mode-side{grid-template-columns:1fr 1fr}
.mode-side .box{width:100%}
.mode-side #ov{display:none}
@media (max-width:699px){.mode-side{grid-template-columns:1fr}.mode-side .box{width:min(100%,calc(45vh * var(--ar)))}}
.mode-only #camBox{position:absolute;width:2px;height:2px;opacity:0;pointer-events:none;overflow:hidden;box-shadow:none}
.mode-only #anBox{aspect-ratio:1/1;width:min(100%,70vh,640px)}
.noanimal.mode-side{grid-template-columns:1fr}
.noanimal.mode-side #anBox{display:none}
.noanimal.mode-overlay #ov{visibility:hidden}
.info{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:12px 0 4px;min-height:40px}
.chip{background:var(--accent);color:var(--accent-ink);font-weight:900;padding:6px 14px;border-radius:999px;font-size:1rem}
.status{color:var(--sub);font-size:.9rem}
.picker{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:10px 0}
.picker button{width:58px;height:58px;border-radius:50%;border:3px solid var(--line);background:var(--card);font-size:1.9rem;cursor:pointer;padding:0;line-height:1;touch-action:manipulation}
.picker button.on{border-color:var(--accent);background:var(--chip);transform:scale(1.1)}
.hint{text-align:center;color:var(--sub);font-size:.88rem;margin:4px 0 12px}
.actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
footer{margin-top:26px;text-align:center;color:var(--sub);font-size:.84rem}
footer p{margin:4px 0}
footer a{color:var(--accent);font-weight:700}
.visitor-stats{margin-top:8px;font-size:.84rem}
.visitor-stats span{margin:0 6px}
[hidden]{display:none!important}

/* ---------- v2/v3 ---------- */
.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:0 0 10px;background:var(--chip);padding:5px;border-radius:20px}
.tabs button{font:inherit;border:0;background:transparent;color:var(--ink);border-radius:15px;padding:6px 2px;min-height:58px;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;touch-action:manipulation}
.tabs button i{font-style:normal;font-size:1.35rem;line-height:1.1}
.tabs button span{font-size:.74rem;font-weight:700;line-height:1.2;white-space:nowrap}
.tabs button.on{background:var(--accent);color:var(--accent-ink);box-shadow:0 2px 0 rgba(0,0,0,.15)}
.daily{display:flex;flex-wrap:wrap;align-items:center;gap:8px;background:var(--card);border:2px solid var(--line);border-radius:16px;padding:8px 12px;margin:0 0 10px;font-size:.86rem}
.daily .dAn{font-size:1.5rem;line-height:1}
.daily .dTx{flex:1;min-width:150px}
.daily .flame{font-weight:900;background:var(--chip);border-radius:999px;padding:3px 10px}
.dProg{flex-basis:100%;height:6px;background:var(--chip);border-radius:4px;overflow:hidden}
.dProg i{display:block;height:100%;width:0;background:var(--accent)}
.toast{position:fixed;left:50%;top:14px;transform:translateX(-50%);z-index:50;background:#2d2a26;color:#fff;font-weight:700;padding:10px 16px;border-radius:999px;max-width:92vw;text-align:center;box-shadow:var(--shadow);font-size:.92rem}
.small{font-size:.86rem;color:var(--sub);margin:6px 0}
.chTop{background:var(--card);border-radius:24px;padding:14px;margin-bottom:10px;text-align:center;box-shadow:var(--shadow)}
.chTop h3{margin:0 0 6px;font-size:1.15rem;font-weight:900}
.chTop p{margin:0 0 10px;font-size:.92rem}
.chHead{display:flex;justify-content:space-between;align-items:baseline;font-size:1.1rem}
.chHead b{font-size:1.5rem;font-weight:900;color:var(--accent)}
.timer,.hold{height:10px;background:var(--chip);border-radius:6px;overflow:hidden}
.timer{margin:6px 0 10px}
.timer i{display:block;height:100%;background:linear-gradient(90deg,#ff6b6b,#ffd23f,#5ad1a3);transition:width .15s linear}
.tgt{display:flex;align-items:center;gap:10px;text-align:left}
#tgtCv{width:104px;height:104px;border-radius:20px;background:linear-gradient(135deg,#ffe9c7,#ffd1e0);flex:none}
.tgtTxt{flex:1;min-width:0}
.tgtEmoji{font-size:2.2rem;line-height:1.1}
.tgtTxt b{display:block;font-size:1.25rem;font-weight:900;margin-bottom:6px;overflow-wrap:anywhere}
.hold i{display:block;height:100%;width:0;background:var(--accent)}
.endScore{font-size:1.1rem;margin:2px 0}.endScore b{font-size:3rem;font-weight:900;color:var(--accent)}
.chal .box{width:min(100%,calc(36vh * var(--ar)))}
.chal .stage.mode-only #anBox{width:min(100%,36vh)}
.chal .mode-side .box{width:100%}
@media (max-width:699px){.chal .mode-side{grid-template-columns:1fr 1fr}}
.endview .bar,.endview .stage,.endview .info{display:none}
.picker button.locked{opacity:.55;font-size:1.4rem}
.zsum{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:10px}
.zsum div{background:var(--card);border-radius:16px;padding:10px 4px;text-align:center;box-shadow:var(--shadow)}
.zsum b{display:block;font-size:1.25rem;font-weight:900}.zsum span{font-size:.78rem;color:var(--sub)}
.zmis{background:var(--chip);border-radius:16px;padding:10px 12px;font-weight:700;margin-bottom:10px}
.zmis.ok{background:#dff6e6;color:#1f5a2a}
.zmis small{display:block;font-weight:500;color:var(--sub);margin-top:2px}
.zgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:12px}
@media (min-width:520px){.zgrid{grid-template-columns:repeat(3,1fr)}}
.zc{background:var(--card);border-radius:20px;padding:8px;text-align:center;box-shadow:var(--shadow);min-width:0}
.zc canvas,.ztm canvas{width:100%;aspect-ratio:1/1;border-radius:14px;background:linear-gradient(135deg,#ffe9c7,#ffd1e0);display:block}
.zc b{display:block;margin-top:4px}.zc small{display:block;color:var(--sub);font-size:.76rem;min-height:1.2em}
.zc.lock b{color:var(--sub)}
.ztm{display:flex;gap:12px;align-items:center;background:var(--card);border-radius:20px;padding:10px;margin-bottom:12px;box-shadow:var(--shadow)}
.ztm canvas{width:96px;flex:none}.ztm p{margin:2px 0 0;font-size:.88rem;color:var(--sub)}
.teachIntro{background:var(--card);border-radius:16px;padding:10px 12px;margin:0 0 10px;font-size:.9rem;text-align:center}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px;justify-content:center}
.chip2{font:inherit;font-size:.84rem;font-weight:700;border:2px solid var(--line);background:var(--chip);color:var(--ink);border-radius:999px;padding:8px 12px;min-height:40px;cursor:pointer}
.tstage{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tstage .box{width:100%;aspect-ratio:1/1}
.tcam video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:none}
.tcam video.mirror{transform:scaleX(-1)}
.tload{position:absolute;left:6px;right:6px;bottom:6px;background:rgba(0,0,0,.65);color:#fff;font-size:.8rem;padding:4px 8px;border-radius:10px;text-align:center}
.tan{background:linear-gradient(135deg,#ffe9c7,#ffd1e0)}
.bubble{position:absolute;left:8px;right:8px;top:6px;background:#fff;color:#2d2a26;font-weight:900;font-size:.95rem;text-align:center;border-radius:14px;padding:6px 8px;box-shadow:0 2px 8px rgba(0,0,0,.2);overflow-wrap:anywhere}
.tbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0}
.cls{background:var(--card);border-radius:20px;padding:10px;margin-bottom:10px;box-shadow:var(--shadow);border:3px solid transparent}
.cls.act{border-color:var(--accent)}
.cls-h{display:flex;gap:8px;align-items:center;margin-bottom:6px}
.cls input,.cls select{font:inherit;font-size:.95rem;border:2px solid var(--line);background:var(--bg);color:var(--ink);border-radius:12px;padding:8px 10px;min-height:42px;min-width:0}
.cls .cn{flex:1;font-weight:900}
.cc{font-size:.8rem;color:var(--sub);white-space:nowrap}.cc.ok{color:#1f8a3a;font-weight:700}
.rm{border:0;background:var(--chip);color:var(--ink);border-radius:50%;width:36px;height:36px;cursor:pointer;flex:none}
.cbar{position:relative;height:22px;background:var(--chip);border-radius:11px;overflow:hidden;margin-bottom:8px}
.cbar i{display:block;height:100%;width:0;background:var(--accent2);transition:width .1s}
.cbar b{position:absolute;inset:0;text-align:center;font-size:.78rem;line-height:22px}
.cls button.hold{display:block;width:100%;height:auto;font:inherit;font-weight:900;font-size:1.05rem;border:0;border-radius:16px;min-height:64px;background:var(--accent);color:var(--accent-ink);cursor:pointer;touch-action:none;user-select:none;-webkit-user-select:none;box-shadow:0 3px 0 rgba(0,0,0,.15)}
.cls button.hold.on{transform:translateY(2px);box-shadow:none;background:#e0561a}
.cr{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}
.cr select,.cr input{width:100%}
.confetti{position:fixed;inset:0;width:100vw;height:100vh;pointer-events:none;z-index:40}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* share sheet (link + QR) */
header.top{flex-wrap:wrap}
.sl-btns{display:flex;gap:6px;margin-left:auto}
.sl-b{border:2px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:6px 12px;font:inherit;font-size:14px;font-weight:700;cursor:pointer;min-height:36px}
.sl-foot{text-align:center;margin:8px 0 14px}.sl-foot p{margin:0 0 8px;color:var(--sub)}
.sl-foot .btn{display:inline-block;width:auto;padding:10px 18px;margin:4px}
.sl-back{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:9999;padding:16px}
.sl-card{background:var(--card);color:var(--ink);border-radius:24px;padding:22px 18px;max-width:360px;width:100%;text-align:center;position:relative}
.sl-card h3{margin:0 0 4px}.sl-card p{margin:0 0 12px;color:var(--sub);font-size:14px}
.sl-qr img{width:100%;max-width:280px;border-radius:12px;background:#fff}
.sl-row{display:flex;gap:8px;justify-content:center;margin-top:12px}.sl-row .btn{width:auto;padding:10px 16px}
.sl-x{position:absolute;top:10px;right:12px;border:0;background:none;font-size:20px;color:var(--sub);cursor:pointer;min-width:40px;min-height:40px}
.sl-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#2d2a26;color:#fff;padding:10px 16px;border-radius:999px;z-index:10000;font-size:14px}

/* teach: keep the camera + animal in view while pressing the learn buttons further down (owner report 2026-10-14) */
#tab-teach .tstage{position:sticky;top:0;z-index:6;background:var(--bg);padding:6px 0;box-shadow:0 6px 10px -8px rgba(0,0,0,.25)}
@media (max-width:700px){#tab-teach .tstage .box{aspect-ratio:4/3}}
.cls button.hold{-webkit-touch-callout:none}
/* smaller learn button that lets the page scroll; training starts after a 0.28 s still press */
.cls button.hold{min-height:48px;font-size:.95rem;width:72%;margin:0 auto;touch-action:pan-y}
.cls button.hold.arm{opacity:.8}