@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;700;800&family=Noto+Sans+JP:wght@400;500;700&display=swap");
:root{--bg:#f1f8f6;--fg:#10241f;--mute:#5f7a73;--card:#fff;--soft:#e3f3ee;--line:#d3e9e2;--accent:#0f9f8c;--accent2:#ff7a6b;--on:#fff;--ok:#0f9f6e;--okbg:#d5f5e8;--bad:#e5484d;--badbg:#fde4e4;--shadow:0 1px 2px rgba(16,36,31,.05),0 10px 28px -12px rgba(16,90,76,.22);--hero:linear-gradient(135deg,#33c9a8 0%,#14ad9b 45%,#0b8174 100%);--glow:rgba(15,159,140,.45)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0b1513;--fg:#e8f5f1;--mute:#8fb0a8;--card:#13211e;--soft:#1b2e2a;--line:#22392f;--accent:#5eead4;--accent2:#ff8a7d;--on:#0b1513;--ok:#4ade9f;--okbg:#0f3b2c;--bad:#f87171;--badbg:#401516;--shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px -12px rgba(0,0,0,.7);--hero:linear-gradient(135deg,#2bb89c 0%,#138f7f 50%,#0b5f58 100%);--glow:rgba(45,201,173,.35)}}
:root[data-theme="dark"]{--bg:#0b1513;--fg:#e8f5f1;--mute:#8fb0a8;--card:#13211e;--soft:#1b2e2a;--line:#22392f;--accent:#5eead4;--accent2:#ff8a7d;--on:#0b1513;--ok:#4ade9f;--okbg:#0f3b2c;--bad:#f87171;--badbg:#401516;--shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px -12px rgba(0,0,0,.7);--hero:linear-gradient(135deg,#2bb89c 0%,#138f7f 50%,#0b5f58 100%);--glow:rgba(45,201,173,.35)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
html{background:var(--bg)}
body::before{content:"";position:fixed;inset:-20vh -20vw auto;height:60vh;z-index:-1;pointer-events:none;background:radial-gradient(closest-side,color-mix(in srgb,var(--accent) 16%,transparent),transparent)}
body{margin:0;background:var(--bg);color:var(--fg);font-family:"Noto Sans KR","Noto Sans JP",system-ui,-apple-system,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:break-word}
.ja,.huge,.big-ch,.opt-ch,.tile-j,.kc b,.jc b,.tab-ch,.ob-logo,.pair,.jbig,.jmid{font-family:"Noto Sans JP","Noto Sans KR",system-ui,sans-serif}
main{max-width:600px;margin:0 auto;padding:12px 16px calc(104px + env(safe-area-inset-bottom,0px))}
.in-session main{padding-bottom:40px}
button{font:inherit;color:inherit}
h2,h3{letter-spacing:-.02em}
.mute{color:var(--mute)}.small{font-size:13px}.grow{flex:1;min-width:0}.center{text-align:center}.left{text-align:left}

/* 후리가나 */
ruby{ruby-position:over;ruby-align:center;white-space:nowrap}
.ja,.jbig,.jmid,.tile-j{word-break:normal}
rt{font-size:.5em;color:var(--mute);font-weight:500;letter-spacing:0}
.nofuri rt{visibility:hidden}
.nofuri ruby{cursor:pointer;border-bottom:1px dotted color-mix(in srgb,var(--mute) 60%,transparent)}
.nofuri ruby.peek rt{visibility:visible;color:var(--accent)}
.nof{font-family:"Noto Sans JP",sans-serif}

/* 상단 바 */
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:10px;min-height:56px;padding:env(safe-area-inset-top,0px) 16px 0;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px)}
.top h1{flex:1;font-size:18px;font-weight:800;letter-spacing:-.02em;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo{width:32px;height:32px;border-radius:9px;flex:none;cursor:pointer;box-shadow:0 2px 8px -2px var(--glow)}
.back,.gear{width:36px;height:36px;flex:none;display:grid;place-items:center;border:0;border-radius:50%;background:var(--card);box-shadow:var(--shadow);color:var(--fg);cursor:pointer;padding:0}
.back{font-size:26px;line-height:1;padding-bottom:3px}
.gear svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8}
.in-session .gear{display:none}

/* 하단 탭 */
.tabs{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(12px + env(safe-area-inset-bottom,0px));z-index:5;display:flex;gap:2px;width:min(440px,calc(100% - 32px));padding:6px;border-radius:22px;background:color-mix(in srgb,var(--card) 88%,transparent);backdrop-filter:saturate(1.6) blur(16px);-webkit-backdrop-filter:saturate(1.6) blur(16px);box-shadow:0 10px 30px -10px rgba(31,27,26,.35),0 0 0 1px var(--line)}
.tabs a{flex:1;display:flex;flex-direction:column;align-items:center;gap:1px;padding:7px 0 6px;border-radius:16px;font-size:11px;font-weight:500;color:var(--mute);text-decoration:none;transition:background .2s,color .2s}
.tabs svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.tab-ch{font-size:19px;line-height:22px;font-weight:700}
.tabs a.on{color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);font-weight:700}

/* 공통 블록 */
.panel{background:var(--card);border-radius:20px;padding:16px;margin:12px 0;box-shadow:var(--shadow)}
.panel h3{margin:0 0 8px;font-size:16px}
.ph{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:8px}.ph h3{margin:0}.ph .mute{font-size:12px}
.grp{display:flex;align-items:baseline;gap:8px;font-size:18px;font-weight:800;margin:22px 2px 10px}
.grp span{font-size:13px;font-weight:500;color:var(--mute)}
.grp .mini{margin-left:auto}
.intro{color:var(--mute);font-size:14px;margin:6px 2px 12px}
.hint{color:var(--mute);font-size:13px;text-align:center;margin:18px 6px}
.bar{height:6px;background:var(--soft);border-radius:99px;margin-top:8px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:var(--hero);transition:width .3s}
.tag{display:inline-block;font-size:12px;font-weight:700;padding:2px 9px;border-radius:99px;background:var(--soft);color:var(--mute);vertical-align:middle}
.tag.new{background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent)}
.tag.ok{background:var(--okbg);color:var(--ok)}.tag.bad{background:var(--badbg);color:var(--bad)}
.b{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:50px;padding:10px 14px;border:0;border-radius:16px;background:var(--card);box-shadow:var(--shadow);font-weight:700;font-size:15px;cursor:pointer;transition:transform .15s}
.b small{font-weight:500;font-size:12px;opacity:.85}
.b.p{background:var(--hero);color:#fff}
.b.danger{color:var(--bad)}.b.p.danger{background:var(--bad);color:#fff}
.b:disabled{opacity:.45;cursor:default}
.b.wide{width:100%;margin:12px 0}
.b:active,.li:active,.unit:active,.kc:active,.jc:active,.opt:active,.tile:active,.resume:active{transform:scale(.97)}
.row2{display:flex;gap:10px;margin:12px 0}.row2>*{flex:1}
.mini{border:0;border-radius:99px;padding:5px 12px;font-size:12px;font-weight:700;background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);cursor:pointer}
.link{border:0;background:none;color:var(--accent);font-weight:700;font-size:13px;cursor:pointer;padding:0}
.list{display:flex;flex-direction:column;gap:8px;margin:12px 0}
.li{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:12px 14px;border:0;border-radius:16px;background:var(--card);box-shadow:var(--shadow);cursor:pointer}
.li b{display:block;font-size:15px}.li small{display:block;font-size:12px}
.li .ico{font-size:22px;width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--soft);flex:none;font-family:"Noto Sans JP",sans-serif;font-weight:700}
.li .pct{font-style:normal;font-weight:800;color:var(--accent);font-size:14px}
.lw{font-size:18px;font-weight:500}
.dot{width:8px;height:8px;border-radius:50%;background:var(--line);flex:none}.dot.ok{background:var(--ok)}.dot.learn{background:#f59e0b}
.empty{text-align:center;color:var(--mute);padding:40px 0}
.field{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--card);color:var(--fg);font:inherit;font-size:16px}
.field.sm{width:150px;padding:8px 10px}
textarea.field{font-size:12px;font-family:ui-monospace,monospace}
.seg{display:flex;gap:4px;padding:4px;border-radius:16px;background:var(--soft);margin:4px 0 8px}
.seg a{flex:1;text-align:center;padding:9px 0;border-radius:12px;font-weight:700;font-size:14px;color:var(--mute);text-decoration:none}
.seg a.on{background:var(--card);color:var(--fg);box-shadow:var(--shadow)}

/* 홈 */
.hero{position:relative;overflow:hidden;border-radius:24px;padding:20px 18px 16px;background:var(--hero);color:#fff;box-shadow:0 14px 30px -14px var(--glow)}
.hero::before{content:"";position:absolute;left:-60px;bottom:-90px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.10)}
.hero::after{content:"";position:absolute;right:-40px;top:-50px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.12)}
.hero small{position:relative;font-size:14px;opacity:.9;font-weight:500;font-family:"Noto Sans JP",sans-serif}
.hero h2{position:relative;text-shadow:0 1px 12px rgba(0,60,50,.18);margin:2px 0 14px;font-size:23px;font-weight:800;line-height:1.3}
.stats{position:relative;z-index:1;display:flex;gap:8px}
.stat{flex:1;padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.16)}
.stat b{display:block;font-size:21px;font-weight:800;line-height:1.2}.stat b small{font-size:13px;opacity:.8}.stat span{font-size:12px;opacity:.9}
.hero .bar{position:relative;background:rgba(255,255,255,.25);margin:12px 0 14px}.hero .bar i{background:#fff}
.resume{position:relative;z-index:1;display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:12px 14px;border:0;border-radius:16px;background:#fff;color:#10241f;cursor:pointer;box-shadow:0 6px 16px -8px rgba(0,0,0,.35)}
.resume .ri{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#dcf7ef;color:#0f9f8c;flex:none;font-size:16px}
.resume div{flex:1;min-width:0}.resume small{display:block;color:#0f9f8c;font-weight:700;font-size:12px}.resume b{display:block;font-size:16px}.resume em{display:block;font-style:normal;font-size:12px;color:#5f7a73}
.resume .go{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--hero);color:#fff;font-size:18px;flex:none}
.tile{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:14px;border:0;border-radius:18px;background:var(--card);box-shadow:var(--shadow);cursor:pointer;text-align:left}
.tile b{font-size:15px}.tile span{font-size:12px;color:var(--mute)}
.week{display:flex;gap:8px;align-items:flex-end;height:110px;padding-top:6px}
.wd{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:4px}
.wd i{display:block;width:100%;max-width:28px;min-height:4px;border-radius:8px;background:var(--soft)}
.wd.done i{background:var(--hero)}
.wd b{font-size:12px;color:var(--mute);font-weight:500}.wd.today b{color:var(--accent);font-weight:800}
.wn{font-size:11px;color:var(--mute);min-height:16px}
.road{display:flex;flex-direction:column;gap:8px}
.road-i>div{flex:1;min-width:0}

/* 문자표 */
.kgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.kgrid.c3{grid-template-columns:repeat(3,1fr)}
.kc{display:flex;flex-direction:column;align-items:center;padding:8px 0 6px;border:0;border-radius:14px;background:var(--card);box-shadow:var(--shadow);cursor:pointer}
.kc b{font-size:24px;font-weight:500;line-height:1.2}.kc small{font-size:11px;color:var(--mute)}
.kc.empty{background:none;box-shadow:none}
.kc.ok,.jc.ok{background:var(--okbg)}.kc.learn,.jc.learn{background:color-mix(in srgb,#f59e0b 14%,var(--card))}.kc.weak{background:var(--badbg)}
.jgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(68px,1fr));gap:6px}
.jc{display:flex;flex-direction:column;align-items:center;padding:8px 2px 6px;border:0;border-radius:14px;background:var(--card);box-shadow:var(--shadow);cursor:pointer}
.jc b{font-size:26px;font-weight:500;line-height:1.2}.jc small{font-size:11px;color:var(--mute);white-space:nowrap}

/* 단어·단원 */
.lvl .ph{align-items:center}.lvl h3{display:inline;margin-left:6px}.lvl .pct{font-style:normal;font-weight:800;color:var(--accent)}
.units{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.unit{display:flex;flex-direction:column;gap:2px;background:var(--card);border:0;border-radius:20px;padding:14px;text-align:left;cursor:pointer;box-shadow:var(--shadow)}
.unit .ico{font-size:24px;width:46px;height:46px;display:grid;place-items:center;border-radius:14px;background:var(--soft);margin-bottom:8px}
.unit b{font-size:15px}.unit small{color:var(--mute);font-size:12px}.unit.done small{color:var(--ok)}

/* 카드 */
.meta{color:var(--mute);font-size:13px;font-weight:500;display:flex;justify-content:space-between;align-items:center;margin-top:4px}
.card{position:relative;background:var(--card);border-radius:28px;padding:28px 20px 24px;text-align:center;margin:16px 0;box-shadow:var(--shadow);animation:pop .25s ease-out}
.card .tag.new{position:absolute;left:16px;top:16px}
@keyframes pop{from{opacity:0;transform:translateY(6px) scale(.985)}to{opacity:1;transform:none}}
.pop{animation:pop .25s ease-out}
.huge{font-size:84px;line-height:1.15;font-weight:500;margin:6px 0}
.jbig{font-size:34px;font-weight:500;line-height:1.7;margin:4px 0;line-break:strict;overflow-wrap:anywhere}
.jmid{font-size:24px;font-weight:500;line-height:1.8;line-break:strict;overflow-wrap:anywhere}
.card.talk .jbig{font-size:28px}
.pron{color:var(--accent);font-weight:700;font-size:15px;margin-top:2px}
.pron.big{font-size:26px}
.roma{color:var(--mute);font-size:14px;font-weight:500}
.pron .roma{font-size:16px}
.mean{font-size:19px;font-weight:700;margin:10px 0 4px}
.mean.big{font-size:24px;margin:6px 0 10px}
.note{font-size:13px;color:var(--mute);background:var(--soft);border-radius:12px;padding:8px 12px;margin:12px 0 0}
.qh{color:var(--mute);font-size:14px;margin:0 0 8px;font-weight:500}
.exbox{text-align:left;background:var(--soft);border-radius:16px;padding:12px 14px;margin-top:14px}
.exbox .ja{font-size:18px;line-height:1.9}
.exbox .ko,.ex .ko,.exs .ko{color:var(--mute);font-size:14px}
.exbox .say-btn{margin-top:6px}
.kex{display:flex;align-items:center;gap:10px;padding:4px 0}
.reads{display:flex;flex-direction:column;gap:6px;text-align:left;margin:12px auto 0;max-width:340px;font-family:"Noto Sans JP",sans-serif}
.say-btn{border:0;border-radius:99px;padding:8px 16px;margin:8px 4px 0;background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);font-weight:700;font-size:14px;cursor:pointer}
.say{display:flex;gap:10px;justify-content:center;margin:4px 0 12px}
.say button{min-width:60px;height:52px;border:0;border-radius:18px;background:var(--card);box-shadow:var(--shadow);font-size:22px;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}
.say button small{font-size:10px;margin-top:2px;color:var(--mute)}
.say #auto{font-size:14px;font-weight:700;padding:0 16px}.say #auto.on{background:var(--hero);color:#fff}
.ex .ja{font-size:20px;line-height:1.9}.ex .say-btn{margin-top:4px}
.gt{font-family:"Noto Sans JP","Noto Sans KR",sans-serif;font-size:16px}
.gt-big{font-family:"Noto Sans JP","Noto Sans KR",sans-serif;font-size:24px;margin:8px 0 0}
.desc{font-size:15px;line-height:1.7;margin:10px 0 0}

/* 퀴즈 */
.opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.opt{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:64px;padding:10px;border:2px solid transparent;border-radius:18px;background:var(--card);box-shadow:var(--shadow);font-size:16px;font-weight:600;cursor:pointer;word-break:keep-all;text-align:center}
.opt small{font-size:12px;color:var(--mute);font-weight:500}
.opt .ja{font-size:18px}
.opt-ch{font-size:34px;font-weight:500}
.opt.right{border-color:var(--ok);background:var(--okbg)}
.opt.wrong{border-color:var(--bad);background:var(--badbg)}
.opt:disabled{cursor:default;color:var(--fg)}
.fb{margin-top:14px;padding:14px;border-radius:18px;background:var(--card);box-shadow:var(--shadow);border-left:5px solid var(--ok)}
.fb.bad{border-left-color:var(--bad)}
.fb>b{display:block;margin-bottom:6px}.fb.ok>b{color:var(--ok)}.fb.bad>b{color:var(--bad)}
.fbi{font-size:16px;line-height:1.8}.fbi .ja{font-size:18px}
.exs{margin-top:6px;padding-top:6px;border-top:1px dashed var(--line);font-size:15px}
.big-ch{font-size:22px;font-weight:500}
.slot{display:flex;flex-wrap:wrap;gap:8px;align-items:center;min-height:62px;padding:10px;border:2px dashed var(--line);border-radius:18px;margin:12px 0}
.slot.right{border-color:var(--ok);background:var(--okbg)}.slot.wrong{border-color:var(--bad);background:var(--badbg)}
.tiles{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.tile-j{border:0;border-radius:12px;padding:6px 12px;background:var(--card);box-shadow:var(--shadow);font-size:18px;line-height:1.9;cursor:pointer}
.tile-j.used{opacity:.25}
.score{--p:0;width:120px;height:120px;margin:0 auto 10px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--accent) calc(var(--p)*1%),var(--soft) 0)}
.score b{width:96px;height:96px;border-radius:50%;background:var(--card);display:grid;place-items:center;font-size:24px}
.card.center h2{margin:6px 0}

/* 설정 */
.opt-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.opt-row:last-of-type{border-bottom:0}
.opt-row b{display:block;font-size:15px;font-weight:600}.opt-row small{display:block;font-size:12px;color:var(--mute)}
.opt-row input[type=checkbox]{width:22px;height:22px;accent-color:var(--accent);flex:none}
.opt-row select{max-width:170px;padding:8px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--fg);font:inherit;font-size:14px}

/* 모달·시트·토스트 */
.modal{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:20px;background:rgba(0,0,0,.4)}
.modal .panel{width:min(420px,100%)}
.sheet-wrap{place-items:end center;padding:0}
.sheet{position:relative;width:min(600px,100%);max-height:85vh;overflow:auto;background:var(--card);border-radius:28px 28px 0 0;padding:28px 20px calc(24px + env(safe-area-inset-bottom,0px));text-align:center}
.sheet .x{position:absolute;right:14px;top:12px;width:34px;height:34px;border:0;border-radius:50%;background:var(--soft);font-size:20px;cursor:pointer}
.toast{position:fixed;left:50%;bottom:calc(96px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:30;padding:10px 18px;border-radius:99px;background:var(--fg);color:var(--bg);font-size:14px;font-weight:600;box-shadow:var(--shadow);transition:opacity .4s;white-space:nowrap}
.toast.out{opacity:0}

/* 처음 시작 */
.ob{padding:20px 4px;text-align:center}
.ob-logo{width:88px;height:88px;margin:10px auto 16px;border-radius:24px;display:grid;place-items:center;background:var(--hero);color:#fff;font-size:48px;font-weight:700;box-shadow:0 14px 30px -14px var(--glow)}
.ob h2{font-size:24px;margin:0 0 6px}
.ob .lbl{display:block;text-align:left;font-weight:700;margin:24px 2px 8px}
.ob .choice{margin:10px 0}
@media (min-width:560px){.huge{font-size:96px}.jbig{font-size:38px}}

/* 기기 호환: 구형 사파리(iOS 16.1 이하)는 color-mix를 모름 → 비슷한 색으로 대체 */
@supports not (color:color-mix(in srgb,red 50%,blue)){
  .top{background:var(--bg)}
  .tabs{background:var(--card)}
  .tabs a.on,.tag.new,.mini,.say-btn{background:var(--soft)}
  .kc.learn,.jc.learn{background:#fdf3dc}
  .nofuri ruby{border-bottom-color:var(--line)}
  body::before{display:none}
}
/* 두 번 탭 확대 막기, 아이폰 입력창 자동 확대 막기(16px 이상) */
html,body,button,a,.opt,.tile-j{touch-action:manipulation}
body{-webkit-text-size-adjust:100%;text-size-adjust:100%}
select,input,textarea{font-size:16px}
textarea.field{font-size:16px}
/* PC: 마우스 올리면 살짝 떠오르기, 넓은 화면은 조금 더 넓게 */
@media (hover:hover){.li:hover,.unit:hover,.opt:not(:disabled):hover,.kc:hover,.jc:hover,.tile:hover{box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 35%,transparent),var(--shadow)}}
@media (min-width:900px){main{max-width:680px}.kgrid{gap:8px}.kc b{font-size:28px}}
@media (max-width:360px){.huge{font-size:68px}.jbig{font-size:28px}.stat b{font-size:18px}.tabs a{font-size:10px}.opt{font-size:15px}}