@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+KR:wght@400;500;600;700&family=Zen+Maru+Gothic:wght@400;500;700&display=swap');
:root{color-scheme:light;--bg:#fafbf9;--surface:#fff;--ink:#293c4a;--muted:#788791;--line:#e3e9ed;--blue:#dceffa;--blueink:#28678d;--yellow:#fff1b9;--yellowink:#796426;--red:#fbe0df;--redink:#9b4447;--student:#f3f9fd;--input:#f8fafb}html[data-theme=dark]{color-scheme:dark;--bg:#172029;--surface:#202c36;--ink:#e0eaf1;--muted:#a5b5c2;--line:#354450;--blue:#274a60;--blueink:#b7e3ff;--yellow:#51482a;--yellowink:#ffe59b;--red:#573338;--redink:#ffc3c5;--student:#243947;--input:#1b2731}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px 'IBM Plex Sans KR',sans-serif}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;color:var(--ink)}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible{outline:3px solid #83c6ed;outline-offset:3px}header{padding:22px 4vw;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);background:var(--surface);gap:15px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;text-decoration:none;color:var(--ink)}.brand span{background:var(--blue);padding:5px 10px;border-radius:10px;color:var(--blueink);font-family:'Zen Maru Gothic'}.header-actions,.actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}main{max-width:1440px;margin:auto;padding:40px 4vw}h1{font-size:34px;letter-spacing:-1.4px;margin:10px 0}h2{font-size:20px;margin:0}p{color:var(--muted);line-height:1.8}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--blueink);font-weight:600}.heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px}.heading p{margin:0}.primary,.quiet,.state{padding:10px 15px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.primary{background:var(--blue);color:var(--blueink);border-color:transparent;font-weight:600}.quiet:hover{background:var(--input)}input,select,textarea{background:var(--input);color:var(--ink);border:1px solid var(--line);border-radius:7px;padding:10px;max-width:100%}textarea{width:100%;resize:vertical;line-height:1.8}input:focus,select:focus,textarea:focus{outline:2px solid #86c9ed}.storage-note{color:var(--muted);font-size:12px;border-left:3px solid #a6d7f1;padding:9px 13px;margin:20px 0 25px;line-height:1.8}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:25px}.stat{padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:10px}.stat small{color:var(--muted)}.stat strong{display:block;font-size:28px;margin-top:8px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}.controls{padding:20px;display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}.filters{display:flex;gap:9px;flex-wrap:wrap}.filters input{width:220px}.filters select{max-width:220px}.list-meta{display:flex;gap:15px;justify-content:space-between;padding:0 22px 16px;color:var(--muted);font-size:12px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th{text-align:left;font-size:12px;color:var(--muted);font-weight:500;background:var(--input);padding:13px 20px}td{border-top:1px solid var(--line);padding:18px 20px;vertical-align:middle;white-space:pre-line;line-height:1.8}td.word{font-family:'Zen Maru Gothic',sans-serif;font-size:19px;font-weight:500;min-width:160px}td.reading{font-family:'Zen Maru Gothic';color:var(--muted);min-width:140px}td.meaning{min-width:150px}.student-row{background:var(--student)}.state{font-size:12px;white-space:nowrap;background:var(--yellow);color:var(--yellowink);border:0}.state.known{background:var(--blue);color:var(--blueink)}.state.hard{background:var(--red);color:var(--redink)}.mini{border:0;background:none;color:var(--muted);padding:7px}.mini:hover{color:var(--blueink)}.category{font:11px 'IBM Plex Sans KR';color:var(--muted);display:block}.empty{text-align:center;padding:70px 20px;color:var(--muted)}footer{color:var(--muted);font-size:11px;padding:20px 0}dialog{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:14px;width:850px;max-width:94vw;max-height:90vh;padding:25px}dialog::backdrop{background:#17202977}.modal-top{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:20px}.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:15px}label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}label input,label select{display:block;width:100%;margin-top:7px}.field{margin-bottom:15px}.hint{font-size:12px;color:var(--muted);line-height:1.8}.preview-wrap{max-height:320px;overflow:auto;margin:16px 0;border:1px solid var(--line);border-radius:8px}.preview-wrap td{padding:8px}.preview-wrap textarea{min-height:60px;font-size:13px}.preview-wrap table{min-width:620px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);max-width:90vw;background:var(--ink);color:var(--surface);padding:13px 20px;border-radius:8px;z-index:50}.study-top{display:flex;align-items:center;justify-content:space-between;padding:20px;gap:12px;flex-wrap:wrap}.flash{margin:0 auto;width:calc(100% - 40px);min-height:340px;border:1px solid var(--line);border-radius:12px;background:var(--input);color:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px;white-space:pre-line;line-height:1.8}.flash .front{font:36px 'Zen Maru Gothic';line-height:1.8}.flash .answer{font-size:22px;margin-top:20px;color:var(--blueink)}.study-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;padding:25px}.study-buttons .state{font-size:14px;padding:13px 19px}.study-hint{text-align:center;color:var(--muted);font-size:12px;margin-bottom:20px}.wide header,.wide .heading,.wide .storage-note,.wide .stats,.wide footer{display:none}.wide main{max-width:none;padding:15px}.wide td{font-size:20px;padding:23px}.wide td.word{font-size:27px}.wide .flash{min-height:60vh}.wide .flash .front{font-size:52px}.muted{color:var(--muted)}@media(max-width:700px){header{padding:15px}.brand{font-size:17px;white-space:nowrap}.header-actions{gap:5px}.header-actions button,.header-actions select{padding:7px;font-size:11px}main{padding:25px 14px}.heading{display:block}h1{font-size:28px}.heading .actions{margin-top:20px}.stats{gap:8px}.stat{padding:12px 9px}.stat small{font-size:10px}.stat strong{font-size:22px}.controls{padding:15px}.filters{width:100%}.filters input{width:100%}.filters select{max-width:100%;flex:1;font-size:12px}.list-meta{padding:0 15px 15px;flex-direction:column;gap:5px}th,td{padding:13px}.formgrid{grid-template-columns:1fr}.flash{min-height:320px;padding:20px}.flash .front{font-size:29px}.flash .answer{font-size:19px}.study-buttons{gap:7px}.study-buttons .state{font-size:12px;padding:12px}.wide td{font-size:17px}.wide td.word{font-size:23px}}

.example{font-family:'Zen Maru Gothic',sans-serif;font-size:19px;font-weight:400;color:var(--ink);line-height:2;white-space:pre-line;max-width:850px;margin-bottom:25px}.example strong{font-weight:700;background:var(--yellow);padding:0 2px;border-radius:3px}.word-example{font:13px 'Zen Maru Gothic';font-weight:400;color:var(--muted);margin-top:8px;max-width:380px}.wide .example{font-size:26px}.lesson-line{font-size:11px;color:var(--muted);margin:8px 0}
.locked header,.locked main,.locked .account-bar{display:none}.account-card{max-width:540px;margin:8vh auto;padding:30px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}#accountGate{padding:20px}.account-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:14px 4vw;background:var(--surface);font-size:12px}.member-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}.member-row small{color:var(--muted)}@media(max-width:700px){.account-card{margin:4vh auto;padding:22px}.account-bar{padding:12px 15px}.account-bar>span:first-child{width:100%;word-break:break-all}}