:root{font:20px/1.5 'Segoe UI',sans-serif;color:#243d30;background:#f5f6f2;--paper:#f5f6f2;--panel:#fff;--ink:#243d30;--soft:#5b695e;--line:#dbe2d9;--green:#176c47;--lime:#e4f2c5;--amber:#98641d;--red:#af4d44;color-scheme:light}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit;color:inherit}button{cursor:pointer;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 16px;min-height:46px}button:hover{border-color:var(--green)}button:disabled{opacity:.55;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #7aa8d0;outline-offset:3px}button.primary,button.active{background:var(--green);color:#fff;border-color:var(--green)}button.ghost{background:transparent;border-color:transparent}input{background:var(--panel);padding:10px;border:1px solid var(--line);border-radius:8px;width:min(100%,350px)}header{padding:15px 26px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:7px;border:0;padding:0;min-height:44px}.brand img:first-child{width:53px;height:46px;object-fit:contain}.brand .wordmark{width:192px;height:auto}.darkmark{display:none}.brandgroup{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.brandtitle{border-left:1px solid var(--line);padding-left:15px}.build{font-size:12px;color:var(--soft)}.build b{font-size:14px}.identity{margin-left:auto;display:flex;gap:14px;align-items:center}.shell{display:grid;grid-template-columns:165px minmax(0,1fr)}nav{background:var(--panel);padding:20px 12px;border-right:1px solid var(--line)}nav button{width:100%;text-align:left;margin-bottom:10px;border-color:transparent}nav small{display:block;margin:20px 10px}main{padding:25px;max-width:1500px;width:100%;min-width:0;min-height:80vh}h1{font-size:30px;line-height:1.25;font-weight:600;margin:0 0 10px}h2{font-size:23px;font-weight:600;margin:0 0 12px}h3{font-size:21px;font-weight:600;margin:0 0 8px}p{margin:8px 0 16px}.small,small{font-size:15px;color:var(--soft)}.muted{color:var(--soft)}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:20px 0}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:18px;min-width:0}.tiles .panel{margin:0}.number{font-size:34px;font-weight:600;font-variant-numeric:tabular-nums}.grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(220px,1fr);gap:18px}.status{padding:9px 16px;font-size:15px;background:var(--lime);border-bottom:1px solid var(--line)}.error{background:#fff0ed;color:#883c32;border:1px solid #efc3bc;border-radius:10px;padding:14px;margin:12px 0}.notice{background:var(--lime);padding:13px 16px;border-radius:10px;margin:14px 0}.pill{padding:3px 9px;border-radius:6px;font-size:14px;background:var(--paper);display:inline-block}.know{color:var(--green)}.familiar{color:var(--amber)}.dont_know{color:var(--red)}.bandgrid{display:grid;grid-template-columns:repeat(15,minmax(0,1fr));gap:5px;margin:16px 0}.band{padding:0;min-height:29px;height:29px;border-radius:5px;border:0;position:relative;overflow:hidden;background:#e3e8e1;font-size:11px;color:#344138}.band span{position:absolute;left:0;top:0;bottom:0;background:#589574;opacity:.5}.band b{position:relative;font-weight:500}.band.selected{outline:3px solid var(--green);outline-offset:1px}.legend{display:flex;gap:13px;flex-wrap:wrap;font-size:14px}.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.meaning-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;min-width:0}.meaning-card h2{font:600 29px/1.2 Georgia,serif;overflow-wrap:anywhere;margin:12px 0}.meaning-card .context{font:20px/1.6 Georgia,serif;margin:10px 0 15px}.meaning-card .definition{border-top:1px solid var(--line);padding-top:12px}.meaning-card .reveal{margin-top:auto;width:100%;text-align:center}.grades{display:flex;gap:5px;margin-top:auto;padding-top:14px}.grades button{flex:1;padding:7px 3px;font-size:15px;text-align:center;min-width:0}.grades .face{display:block;font-size:27px;line-height:1.3}.grades button.chosen{outline:3px solid var(--green);outline-offset:1px;background:var(--lime);color:var(--ink)}.cardmeta{display:flex;justify-content:space-between;gap:7px}.cardmeta button{padding:0 6px;min-height:26px;font-size:14px}.wordrows{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.wordrows button{font-size:16px;padding:6px 9px;text-align:left;overflow-wrap:anywhere}.wordrows .know{background:#e1f0e6}.wordrows .familiar{background:#fff0d6}.wordrows .dont_know{background:#fbe3de}.quote{border-left:3px solid var(--green);padding:12px 15px;background:var(--paper);font:21px/1.65 Georgia,serif;margin:12px 0}.answerrow{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:10px 0}.chart{width:100%;height:200px}.chart text{font:13px 'Segoe UI',sans-serif;fill:var(--soft)}.roundbar{height:7px;background:var(--line);border-radius:5px;overflow:hidden;margin:14px 0}.roundbar span{display:block;height:100%;background:var(--green)}.roundfoot{padding:20px 0}.login{max-width:540px;margin:7vh auto;padding:28px}.login h1{margin-top:20px}.loading{padding:30px}.ready{background:var(--lime)}.help{font-size:15px}.inline-link{border:0;background:transparent;padding:3px;color:var(--green);text-decoration:underline;min-height:25px}.daily{display:flex;gap:6px;flex-wrap:wrap}.daily button{font-size:14px;padding:7px}footer{padding:14px 25px;color:var(--soft);font-size:13px;border-top:1px solid var(--line)}.empty-chart{height:170px;display:flex;align-items:center;justify-content:center;color:var(--soft);text-align:center;border-bottom:1px solid var(--line)}dialog{background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:15px;max-width:min(90%,600px);padding:24px}dialog::backdrop{background:#14241966}
@media(min-width:1250px){.cards{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:850px){.shell{grid-template-columns:1fr}nav{display:flex;gap:8px;flex-wrap:wrap;border:0;border-bottom:1px solid var(--line);padding:8px 14px}nav button{width:auto;margin:0}nav small{display:none}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.grid{grid-template-columns:1fr}.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}main{padding:18px}.identity{font-size:16px}.wordrows{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:480px){header{padding:12px;gap:8px}.brand .wordmark{width:155px}.brand img:first-child{width:43px}.brandtitle{font-size:16px}.identity{margin-left:0;width:100%;justify-content:space-between}.identity button{font-size:14px;min-height:36px;padding:6px 10px}.cards{grid-template-columns:1fr}.bandgrid{grid-template-columns:repeat(10,minmax(0,1fr))}.wordrows{grid-template-columns:repeat(2,minmax(0,1fr))}.tiles .panel{padding:14px}.number{font-size:30px}h1{font-size:27px}button{padding:9px 12px}.small,small{font-size:14px}}