:root{
  --paper:#FFFFFF; --ground:#F1F0ED; --ink:#141414; --sub:#7A7A78; --line:#E6E5E1;
  --friend:#F3F2EF; --me:#141414; --accent:#D9432B; --accent-soft:#FBE9E5;
  --st:env(safe-area-inset-top,0px); --sbm:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body,#app{height:100%;margin:0}
body{overflow:hidden}
body{background:var(--paper);color:var(--ink);font-family:'Pretendard',system-ui,sans-serif;word-break:keep-all;-webkit-font-smoothing:antialiased;overscroll-behavior:none}
button{font:inherit;color:inherit;border:0;background:none;padding:0;cursor:pointer}
input{font:inherit}
.ja,.ja *{font-family:'Zen Maru Gothic','Pretendard',sans-serif}
/* 일본어: keep-all + 문절 경계 <wbr> 에서만 줄바꿈(시안 v1 에서 정함) */
.ja{word-break:keep-all;line-break:strict;overflow-wrap:anywhere}
rt{font-size:.46em;font-weight:500;color:var(--sub);letter-spacing:-.04em}
ruby{ruby-align:center}
.fg-off rt{display:none}
.fg-kanji rt.kana{display:none}
[hidden]{display:none!important}
.av{border-radius:50%;object-fit:cover;flex:none;background:#E9E3DA}
.btn{height:52px;border-radius:14px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:600;width:100%}
.btn:disabled{background:#CFCECB}
.btn.ghost{background:var(--paper);color:var(--ink);border:1px solid var(--line)}
.btns{display:flex;gap:8px}.btns>*{flex:1}

/* 앞단 */
.ob{height:100%;display:flex;flex-direction:column;padding:calc(var(--st) + 18px) 22px calc(var(--sbm) + 22px);position:relative}
.ob .step{display:flex;gap:6px;margin:4px 0 24px}
.ob .step i{flex:1;height:3px;border-radius:2px;background:var(--line)}
.ob .step i.on{background:var(--ink)}
.ob h2{font-size:25px;line-height:1.4;margin:0 0 8px;letter-spacing:-.02em;text-wrap:balance}
.ob .lede{font-size:14px;color:var(--sub);line-height:1.6;margin:0 0 22px}
.ob .grow{flex:1}
.skip{position:absolute;right:22px;top:calc(var(--st) + 12px);font-size:14px;color:var(--sub);padding:6px}
.logo-mark{display:flex;align-items:center;gap:8px;font-weight:800;font-size:16px}
.logo-mark b{width:28px;height:28px;border-radius:10px 10px 10px 3px;background:var(--ink);position:relative}
.logo-mark b::after{content:'';position:absolute;right:5px;top:5px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.hello{display:flex;flex-direction:column;gap:10px;margin:34px 0 0}
.hello .kr{font-size:12px;color:var(--sub);margin:-4px 0 0 40px}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:#3A3A38;line-height:1.55;margin-bottom:14px;text-align:left}
.agree .ck{width:22px;height:22px;border-radius:7px;border:1.5px solid #BDBCB8;flex:none;display:grid;place-items:center;margin-top:0}
.agree.on .ck{background:var(--ink);border-color:var(--ink)}
.agree .ck svg{width:13px;height:13px;stroke:#fff;fill:none;stroke-width:3}
.agree u{text-underline-offset:3px}
.lv{display:flex;flex-direction:column;gap:10px}
.lv button{border:1px solid var(--line);border-radius:16px;padding:15px 16px;display:flex;flex-direction:column;gap:3px;text-align:left}
.lv b{font-size:16px}.lv span{font-size:13px;color:var(--sub)}
.lv button.on{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips button{border:1px solid var(--line);border-radius:20px;padding:10px 15px;font-size:15px}
.chips button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.fcard{border:1px solid var(--line);border-radius:22px;padding:20px 18px;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center}
.fcard .nm{font-size:21px;font-weight:700}
.fcard .nm small{font-size:13px;color:var(--sub);font-weight:500;margin-left:4px}
.fcard .sub{font-size:13px;color:var(--sub)}
.fcard .in{font-size:15px;margin-top:6px}
.fcard .in .ko{display:block;font-size:12px;color:var(--sub);margin-top:2px;font-family:'Pretendard',sans-serif}
.fcard .tk{font-size:12px;background:var(--ground);border-radius:8px;padding:4px 10px;margin-top:6px}
.ai-note{font-size:12px;color:var(--sub);border:1px solid var(--line);border-radius:8px;padding:3px 8px;margin-top:6px}
.name{margin-top:18px}
.name label{font-size:14px;font-weight:600;display:block;margin-bottom:8px}
.name input{width:100%;border:1.5px solid var(--ink);border-radius:14px;padding:13px 14px;font-size:17px;outline:none}
.prev{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between;margin-top:10px;font-size:13px;color:var(--sub)}
.prev b{color:var(--ink)}
.hon{display:flex;background:var(--ground);border-radius:9px;padding:2px}
.hon button{font-size:12px;padding:5px 9px;border-radius:7px;white-space:nowrap}
.hon .on{background:var(--paper);color:var(--ink);font-weight:600}

/* 채팅 */
.chat{height:100%;display:flex;flex-direction:column}
.nav{padding:calc(var(--st) + 6px) 14px 8px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line);flex:none;background:var(--paper)}
.nav .t{font-size:17px;font-weight:700;flex:1}
.nav .ic{width:36px;height:36px;display:grid;place-items:center;border-radius:10px}
.nav .ic svg{width:22px;height:22px;stroke:var(--ink);fill:none;stroke-width:1.7}
.fgb{font-size:12px;color:var(--sub);border:1px solid var(--line);border-radius:8px;padding:5px 8px}
.scroll{flex:1;overflow-y:auto;padding:12px 14px 14px;display:flex;flex-direction:column;gap:8px;-webkit-overflow-scrolling:touch}
.scroll>.spacer{flex:1}
.day{align-self:center;font-size:12px;color:var(--sub);background:var(--ground);border-radius:10px;padding:4px 10px;margin:6px 0}
.msg{display:flex;gap:8px;align-items:flex-end;max-width:100%}
.msg.me{justify-content:flex-end;flex-direction:column;align-items:flex-end;gap:3px}
.msg .avs{width:30px;flex:none}
.b{max-width:min(78vw,300px);min-width:0;padding:9px 13px;border-radius:18px;font-size:16px;line-height:1.75;overflow-wrap:anywhere;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.f .b{background:var(--friend);border-bottom-left-radius:6px}
.me .b{background:var(--me);color:#fff;border-bottom-right-radius:6px;font-family:'Pretendard',sans-serif}
.me .b.ja{font-family:'Zen Maru Gothic','Pretendard',sans-serif}
.me .b rt{color:#BDBDBD}
.b.flagged{box-shadow:0 0 0 1.5px #E3B3A9}
.kr-under{display:block;font-size:12px;color:var(--sub);line-height:1.5;margin-top:2px;font-family:'Pretendard',sans-serif}
.tm{font-size:10px;color:var(--sub);white-space:nowrap}
.ph{width:190px;border-radius:16px;display:block}
.note{display:flex;align-items:center;gap:4px;font-size:11.5px;color:var(--accent);padding:2px}
.note svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2}
.typing{display:flex;gap:4px;padding:13px 14px;background:var(--friend);border-radius:18px;border-bottom-left-radius:6px;width:fit-content}
.typing i{width:6px;height:6px;border-radius:50%;background:#B9B8B4;animation:tp 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes tp{0%,60%,100%{opacity:.35;transform:none}30%{opacity:1;transform:translateY(-2px)}}
.tip{align-self:flex-start;margin-left:38px;background:var(--ink);color:#fff;font-size:12.5px;border-radius:10px;padding:8px 11px;position:relative}
.tip::after{content:'';position:absolute;left:18px;bottom:-5px;width:10px;height:10px;background:var(--ink);transform:rotate(45deg)}
.composer{flex:none;border-top:1px solid var(--line);padding:8px 12px calc(var(--sbm) + 10px);display:flex;flex-direction:column;gap:8px;background:var(--paper)}
.chips3{display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.chip{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:14px;padding:8px 12px;font-size:15px;max-width:100%;text-align:left}
.chip .lab{font-size:11px;color:var(--accent);font-weight:700;white-space:nowrap}
.chip .pr{font-size:11.5px;color:var(--sub);font-family:'Pretendard',sans-serif}
.inp{display:flex;align-items:flex-end;gap:8px}
.inp textarea{flex:1;border:1px solid var(--line);border-radius:20px;padding:9px 14px;font:inherit;font-size:16px;resize:none;max-height:120px;outline:none;line-height:1.45}
.send{width:38px;height:38px;border-radius:50%;background:var(--ink);display:grid;place-items:center;flex:none}
.send:disabled{background:#CFCECB}
.send svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2.2}

/* 시트 */
.dim{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:10}
.sheet{position:fixed;left:0;right:0;bottom:0;background:var(--paper);border-radius:24px 24px 0 0;padding:10px 20px calc(var(--sbm) + 22px);display:flex;flex-direction:column;gap:12px;z-index:11;max-height:82vh;overflow-y:auto}
.grab{width:36px;height:5px;border-radius:3px;background:var(--line);align-self:center}
.sheet h3{margin:4px 0 0;font-size:13px;color:var(--sub);font-weight:600}
.orig{font-size:17px;color:var(--sub);text-decoration:line-through;text-decoration-color:var(--accent)}
.fix{font-size:22px;font-weight:700}
.alt{background:var(--ground);border-radius:14px;padding:12px 14px;font-size:14px;line-height:1.6}
.alt .j{font-size:16px;font-weight:700}
.why{font-size:15px;line-height:1.7;color:#3A3A38}
.wd{display:flex;justify-content:space-between;align-items:baseline;gap:10px;border-bottom:1px solid var(--line);padding:10px 0}
.wd .w{font-size:17px;font-weight:700}
.wd .r{font-size:12px;color:var(--sub);margin-left:6px}
.wd .m{font-size:13px;color:var(--sub);text-align:right}
.wd button{font-size:12px;border:1px solid var(--line);border-radius:8px;padding:4px 8px;margin-left:8px;white-space:nowrap}
.wd button.done{background:var(--ground);color:var(--sub)}
.flagb{font-size:13px;color:var(--sub);text-align:center;padding:6px}

/* 낱말장 · 설정 */
.page{height:100%;display:flex;flex-direction:column}
.page .body{flex:1;overflow-y:auto;padding:12px 16px calc(var(--sbm) + 20px);display:flex;flex-direction:column;gap:8px}
.card{border:1px solid var(--line);border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;gap:4px}
.card .j{font-size:18px;font-weight:700}
.card .k{font-size:13px;color:#3A3A38}
.card .from{font-size:11px;color:var(--sub);display:flex;gap:6px;align-items:center;margin-top:2px}
.tag{font-size:10px;font-weight:700;border-radius:6px;padding:1px 6px;background:var(--accent-soft);color:var(--accent)}
.tag.word{background:var(--ground);color:var(--sub)}
.empty{color:var(--sub);font-size:14px;text-align:center;margin-top:40px;line-height:1.7}
.row{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;gap:12px}
.row span:last-child{color:var(--sub);font-size:14px;text-align:right}
.hint{font-size:13px;color:var(--sub);line-height:1.6;background:var(--ground);border-radius:12px;padding:12px 14px}
.toast{position:fixed;left:50%;bottom:calc(var(--sbm) + 90px);transform:translateX(-50%);background:var(--ink);color:#fff;font-size:13px;border-radius:10px;padding:9px 14px;z-index:20}