:root{--bg:#f5f7f6;--card:#fff;--ink:#15211f;--muted:#5d6b68;--line:#dfe6e4;--pri:#0f766e;--pri-ink:#fff;--pri-soft:#e0f2ef;--ok:#16a34a;--ok-soft:#dcfce7;--bad:#dc2626;--bad-soft:#fee2e2;--warn:#d97706;--shadow:0 6px 24px #0000001f;--panel-w:390px;--top-h:52px}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--ink);-webkit-tap-highlight-color:transparent;margin:0;font:15px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}button{font:inherit;color:inherit}#app{flex-direction:column;display:flex;position:fixed;inset:0}#topbar{height:var(--top-h);padding:0 10px;padding-top:env(safe-area-inset-top);background:var(--pri);color:var(--pri-ink);z-index:1200;flex:none;align-items:center;gap:8px;display:flex;box-shadow:0 2px 8px #00000026}#topbar h1{white-space:nowrap;text-overflow:ellipsis;flex:1;margin:0;font-size:17px;font-weight:650;overflow:hidden}#hud{white-space:nowrap;font-size:14px;font-weight:600}.iconbtn{cursor:pointer;color:inherit;background:0 0;border:0;border-radius:8px;place-items:center;padding:6px;display:grid}.iconbtn:hover{background:#ffffff26}#map{background:#e8ecea;flex:1;min-height:0}#panel{z-index:1100;background:var(--card);box-shadow:var(--shadow);top:calc(var(--top-h) + 12px + env(safe-area-inset-top));width:var(--panel-w);max-height:calc(100% - var(--top-h) - 24px);border-radius:14px;padding:14px 16px;position:absolute;right:12px;overflow:auto}#panel.hidden{display:none}@media (width<=760px){#panel{width:auto;max-height:52%;padding:12px 14px calc(12px + env(safe-area-inset-bottom));border-radius:16px 16px 0 0;inset:auto 0 0}#panel.compact{max-height:40%}#panel.tall{max-height:80%}}.q-head{color:var(--muted);justify-content:space-between;align-items:center;gap:8px;margin-bottom:6px;font-size:13px;display:flex}.q-prompt{margin:2px 0 10px;font-size:17px}.q-prompt b{color:var(--pri)}.q-sub{color:var(--muted);margin:-6px 0 10px;font-size:13px}.opts{grid-template-columns:1fr 1fr;gap:8px;display:grid}.opts.one{grid-template-columns:1fr}.opt{background:var(--bg);border:1.5px solid var(--line);cursor:pointer;text-align:left;border-radius:10px;min-height:44px;padding:10px}.opt:hover:not(:disabled){border-color:var(--pri)}.opt.sel{border-color:var(--pri);background:var(--pri-soft)}.opt.ok{background:var(--ok-soft);border-color:var(--ok)}.opt.bad{background:var(--bad-soft);border-color:var(--bad)}.opt:disabled{cursor:default}.opt .k{min-width:18px;color:var(--muted);font-size:12px;display:inline-block}.linebtns{flex-wrap:wrap;gap:8px;display:flex}.linebtn{color:#fff;cursor:pointer;opacity:.55;border:2px solid #0000;border-radius:999px;padding:8px 14px;font-weight:700}.linebtn.sel{opacity:1;border-color:var(--ink);box-shadow:inset 0 0 0 2px #fff}.linebtn.ok{opacity:1;outline:3px solid var(--ok);outline-offset:2px}.linebtn.bad{opacity:1;outline:3px dashed var(--bad);outline-offset:2px}.btn{background:var(--pri);color:var(--pri-ink);cursor:pointer;border:0;border-radius:10px;min-height:44px;padding:11px 16px;font-weight:650}.btn.sec{background:var(--bg);color:var(--ink);border:1.5px solid var(--line)}.btn.small{min-height:36px;padding:7px 12px;font-size:14px}.btn:disabled{opacity:.5;cursor:default}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.row.end{justify-content:flex-end}.fb{border-radius:10px;margin-top:10px;padding:10px 12px;font-size:14px}.fb.ok{background:var(--ok-soft)}.fb.bad{background:var(--bad-soft)}.fb.info{background:var(--pri-soft)}.fb h4{margin:0 0 4px;font-size:15px}.fb p{margin:4px 0}.fb .next{width:100%;margin-top:8px}.muted{color:var(--muted)}.chip{border:1.5px solid var(--line);cursor:pointer;background:var(--card);-webkit-user-select:none;user-select:none;border-radius:999px;align-items:center;gap:6px;padding:5px 11px;font-size:13px;display:inline-flex}.chip input{display:none}.chip.on{background:var(--pri-soft);border-color:var(--pri)}.chips{flex-wrap:wrap;gap:6px;display:flex}.progress{background:var(--line);border-radius:4px;height:5px;margin-bottom:10px;overflow:hidden}.progress>i{background:var(--pri);height:100%;transition:width .3s;display:block}.dot{vertical-align:middle;border-radius:50%;width:10px;height:10px;margin-right:4px;display:inline-block}.lpill{color:#fff;border-radius:999px;margin-right:3px;padding:1px 8px;font-size:12px;font-weight:700;display:inline-block}.screen{inset:var(--top-h) 0 0 0;background:var(--bg);z-index:1150;padding:16px;padding-bottom:calc(24px + env(safe-area-inset-bottom));position:absolute;overflow:auto}.screen.hidden{display:none}.wrap{max-width:980px;margin:0 auto}.hero{margin:4px 0 14px}.hero h2{margin:0 0 4px;font-size:22px}.hero p{color:var(--muted);margin:0}.grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;display:grid}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:0 1px 3px #0000000f}.card h3{align-items:center;gap:8px;margin:0 0 2px;font-size:16px;display:flex}.card .em{font-size:20px}.card p{color:var(--muted);margin:0 0 10px;font-size:13.5px}.modes{flex-direction:column;gap:6px;display:flex}.mode{background:var(--bg);border:1px solid var(--line);cursor:pointer;text-align:left;border-radius:10px;justify-content:space-between;align-items:center;gap:8px;width:100%;padding:9px 11px;display:flex}.mode:hover{border-color:var(--pri)}.mode small{color:var(--muted)}.mastery{color:var(--muted);white-space:nowrap;font-size:12px}.settings{margin-top:14px}.settings label{color:var(--muted);margin:8px 0 4px;font-size:13px;display:block}select,input[type=text],input[type=search]{font:inherit;border:1.5px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;width:100%;padding:9px 10px}table.stats{border-collapse:collapse;width:100%;font-size:14px}table.stats td,table.stats th{border-bottom:1px solid var(--line);text-align:left;padding:6px 4px}table.stats th{color:var(--muted);font-size:12.5px;font-weight:600}.foot{color:var(--muted);margin-top:18px;font-size:12px}.foot a{color:var(--muted)}.lbl{box-shadow:none;color:#1f2d2b;text-shadow:0 0 3px #fff,0 0 3px #fff,0 0 2px #fff;white-space:nowrap;background:0 0;border:0;padding:0;font-size:11.5px;font-weight:650}.lbl:before{display:none}.lbl.big{font-size:13px}.lbl.ok{color:#14532d}.lbl.bad{color:#7f1d1d}.pin{border:3px solid #fff;border-radius:50%;width:18px;height:18px;box-shadow:0 1px 4px #0006}.pin.you{background:#2563eb}.pin.ans{background:var(--bad)}.pin.good{background:var(--ok)}.pin.a,.pin.b{color:#fff;place-items:center;width:28px;height:28px;font-size:14px;font-weight:800;display:grid}.pin.a{background:#2563eb}.pin.b{background:#db2777}.pulse{background:#f59e0b;border:3px solid #fff;border-radius:50%;width:22px;height:22px;animation:1.4s infinite pulse;box-shadow:0 0 #f59e0bb3}@keyframes pulse{0%{box-shadow:0 0 #f59e0bb3}70%{box-shadow:0 0 0 16px #f59e0b00}to{box-shadow:0 0 #f59e0b00}}.leaflet-popup-content{margin:10px 12px;font-size:14px}.leaflet-popup-content h4{margin:0 0 4px;font-size:15px}.leaflet-popup-content p{margin:3px 0}.leaflet-container{font:inherit}.maptoggle{cursor:pointer;background:#fff;border:0;border-radius:8px;padding:6px 9px;font-size:13px;box-shadow:0 1px 5px #0000004d}.toast{left:50%;top:calc(var(--top-h) + 12px);color:#fff;z-index:1300;opacity:0;pointer-events:none;background:#111827;border-radius:999px;padding:8px 14px;font-size:14px;transition:opacity .2s;position:absolute;transform:translate(-50%)}.toast.show{opacity:.92}.ph{margin:8px 0 4px;position:relative}.ph img{object-fit:cover;cursor:zoom-in;background:#dfe6e4;border-radius:10px;width:100%;max-height:26vh;display:block}.ph.big img{max-height:34vh}@media (width<=760px){.ph.big img{max-height:24vh}}.phnav{color:#fff;cursor:pointer;background:#00000073;border:0;border-radius:50%;width:32px;height:32px;font-size:20px;line-height:1;position:absolute;top:calc(13vh - 16px)}.ph.big .phnav{top:calc(17vh - 16px)}.phnav.prev{left:6px}.phnav.next{right:6px}.phcount{color:#fff;background:#00000080;border-radius:999px;padding:1px 7px;font-size:11px;position:absolute;top:6px;right:8px}.cred{color:var(--muted);margin-top:3px;font-size:11px;line-height:1.3}.cred a{color:var(--muted)}.leaflet-popup-content .ph img{max-height:150px}.leaflet-popup-content .phnav{top:59px}.lightbox{z-index:5000;cursor:zoom-out;background:#000000e0;place-items:center;padding:12px;display:grid;position:fixed;inset:0}.lightbox img{border-radius:6px;max-width:100%;max-height:100%}.opt.miss{border-style:dashed;border-color:var(--ok);background:#f0fdf4}.tri{filter:drop-shadow(0 1px 1px #00000080);border-bottom:15px solid #7c5c3b;border-left:9px solid #0000;border-right:9px solid #0000;width:0;height:0}.tri.hi{border-bottom-color:#f59e0b;transform:scale(1.5)}.tri.ok{border-bottom-color:var(--ok)}.tri.bad{border-bottom-color:var(--bad)}.blist{margin:4px 0 6px;padding-left:18px;font-size:13.5px}.blist li{margin:2px 0}.trail{flex-wrap:wrap;gap:4px;margin:2px 0;display:flex}.tstep{background:var(--ok-soft);border:1px solid var(--ok);border-radius:999px;padding:2px 8px;font-size:12px}.tstep.bad{border-color:var(--warn);background:#fef3c7}.tstep .lpill{padding:0 6px;font-size:11px}.tree{text-align:center;filter:drop-shadow(0 1px 1px #0006);font-size:17px;line-height:22px}.emo{text-align:center;background:#fff;border-radius:50%;width:26px;height:26px;font-size:15px;line-height:26px;box-shadow:0 1px 4px #0006}.tight{margin:2px 0}h3.tight{margin:0 0 4px}.result-score{margin:4px 0;font-size:28px;font-weight:700}.result-score .muted{font-size:16px}.outcome{background:var(--pri-soft);border-radius:10px;margin:8px 0;padding:10px 12px;font-size:14px}.btn.wide{width:100%}.mode-row{gap:6px;display:flex}.mode-row .mode{flex:1;min-width:0}.official{border:1px solid var(--line);background:var(--bg);cursor:pointer;border-radius:10px;flex:none;width:44px;font-size:17px}.official:hover{border-color:var(--warn);background:#fef3c7}.accountbtn{text-overflow:ellipsis;white-space:nowrap;cursor:pointer;max-width:42vw;color:inherit;background:#ffffff29;border:0;border-radius:999px;flex:none;padding:6px 12px;font-size:14px;font-weight:600;overflow:hidden}.accountbtn:hover{background:#ffffff47}#app:has(#screen.hidden) .accountbtn{display:none}dialog{width:min(380px,100vw - 24px);box-shadow:var(--shadow);color:var(--ink);font:inherit;border:0;border-radius:14px;padding:18px 18px 14px}dialog::backdrop{background:#0f172a73}dialog h3{margin:0 0 8px;padding-right:28px;font-size:18px}dialog p{margin:6px 0}dialog form{flex-direction:column;gap:10px;margin:10px 0;display:flex}dialog label{color:var(--muted);flex-direction:column;gap:4px;font-size:13px;display:flex}dialog input{font:inherit;border:1.5px solid var(--line);color:var(--ink);border-radius:10px;padding:10px}dialog input:focus{outline:2px solid var(--pri);outline-offset:1px}dialog .hint{margin:0;font-size:12.5px}dialog .error{color:var(--bad);min-height:1em;margin:0;font-size:13.5px}.dialog-close{cursor:pointer;color:var(--muted);background:0 0;border:0;padding:6px;font-size:16px;position:absolute;top:10px;right:10px}.linklike{color:var(--pri);cursor:pointer;font:inherit;background:0 0;border:0;padding:0;text-decoration:underline}.wrap.narrow{max-width:720px}.wrap.narrow select{flex:1;width:auto;min-width:200px}button.chip{font:inherit;font-size:13px}table.board td:first-child{width:34px;color:var(--muted)}table.board tr.me td{background:var(--pri-soft);font-weight:650}table.board.clickable tr[data-open]{cursor:pointer}table.board.clickable tr[data-open]:hover td{background:var(--bg)}