/* 영어 튜터 — 밝은 파스텔 + 반투명 유리 (디자인_시안_튜터_v1.html 기준) */
:root{
  --ink:#1f1a2e; --sub:#6c6681; --mute:#a59fb8; --hair:rgba(110,90,160,.12);
  --glass2:rgba(255,255,255,.82); --rim:rgba(255,255,255,.95);
  --violet:#9d6cf2;
  --v-grad:linear-gradient(135deg,#c48bf8 0%,#9a6bf1 100%);
  --ok:#2f9e6a; --ok-bg:#e2f6eb;
  --bad:#e2457a; --hi-bg:#ffe6a1; --hi-ink:#7a4c00;
  --c1:#3d9bff; --c2:#f2875a; --c3:#8b5cf6;
  --shadow:0 8px 24px rgba(130,90,190,.10);
  --en:"Outfit",-apple-system,"SF Pro Text",system-ui,sans-serif;
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-t:env(safe-area-inset-top,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{color:var(--ink);font-family:-apple-system,"Apple SD Gothic Neo","Pretendard",system-ui,sans-serif;
  background:
    radial-gradient(60vw 45vh at 95% 0%,#dcc6ff 0%,transparent 70%),
    radial-gradient(70vw 45vh at 0% 40%,#ffe2d2 0%,transparent 70%),
    radial-gradient(70vw 50vh at 100% 85%,#ffd5ec 0%,transparent 70%),
    #f7f2fb;
  background-attachment:fixed;
  -webkit-text-size-adjust:100%;
}
button{font:inherit;color:inherit;border:0;background:none;padding:0;cursor:pointer}
[hidden]{display:none !important}
svg.i{width:20px;height:20px;display:block}
#app{max-width:560px;margin:0 auto;height:100dvh;display:flex;flex-direction:column}
.view{flex:1;display:flex;flex-direction:column;min-height:0}

/* 구슬 */
.orb{position:relative;border-radius:50%;overflow:hidden;flex:none;isolation:isolate;
  box-shadow:inset -5px -7px 12px rgba(110,50,190,.28),inset 4px 5px 10px rgba(255,255,255,.7),0 6px 16px rgba(180,110,230,.35)}
.orb::before{content:"";position:absolute;inset:-20%;
  background:conic-gradient(from 210deg at 50% 55%,#ff6fbf,#ffad6b,#ffe36e,#6fd6ff,#8c78ff,#e46bff,#ff6fbf);filter:blur(6px);
  /* 아이폰 Safari는 흐림(blur) 낀 안쪽을 둥글게 못 자름 → 이 층 자체를 원으로 자른다 (140% 크기 안의 원 = 반지름 35.7%) */
  clip-path:circle(35.7% at 50% 50%)}
.orb::after{content:"";position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle at 30% 26%,rgba(255,255,255,.95) 0 6%,rgba(255,255,255,0) 20%),
             radial-gradient(circle at 70% 82%,rgba(255,255,255,.35) 0,rgba(255,255,255,0) 26%)}
.orb.s28{width:28px;height:28px}
.orb.s40{width:40px;height:40px}
.orb.big{width:120px;height:120px;box-shadow:inset -14px -18px 30px rgba(110,50,190,.28),inset 10px 12px 24px rgba(255,255,255,.7),0 22px 44px rgba(180,110,230,.35)}
.orb.big::before{filter:blur(14px)}
.orb.busy{animation:breathe 1.6s ease-in-out infinite}
@keyframes breathe{50%{transform:scale(.9)}}

/* 상단 */
.topbar{display:flex;align-items:center;gap:11px;padding:calc(var(--safe-t) + 10px) 18px 10px;text-align:left;width:100%}
.topbar b{font-size:18px;letter-spacing:-.3px;display:block}
.topbar span{font-size:12.5px;color:var(--sub)}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:6px 12px;border-radius:999px;background:var(--glass2);border:1px solid var(--rim);color:var(--sub)}
.en{font-family:var(--en);font-weight:600;letter-spacing:-.1px}
.row{display:flex;gap:10px;align-items:center}

/* 대화 */
.chat{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:6px 16px 14px;display:flex;flex-direction:column;gap:12px}
.chat>*{flex:none}
.chat .grow{flex:1}
.day{align-self:center;margin-top:6px}
.msg{display:flex;gap:8px;align-items:flex-end}
.msg.me{justify-content:flex-end}
.bub{max-width:86%;border-radius:22px;padding:12px 15px;font-size:16px;line-height:1.6;white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere}
.bot .bub{background:var(--glass2);border:1px solid var(--rim);border-bottom-left-radius:8px;box-shadow:var(--shadow)}
.me .bub{background:var(--v-grad);color:#fff;border-bottom-right-radius:8px;box-shadow:0 8px 20px rgba(157,108,242,.30)}
.me .bub.en{font-size:17px;font-weight:500}
.past{opacity:.6}
.box{margin-top:10px;padding:11px 12px;border-radius:16px;background:linear-gradient(135deg,rgba(243,234,255,.95),rgba(255,239,247,.95));border:1px solid rgba(157,108,242,.16);white-space:normal}
.box .lb{font-size:11.5px;font-weight:700;color:var(--violet);margin-bottom:4px;display:flex;align-items:center;gap:4px}
.box .lb svg{width:13px;height:13px}
.box .en{font-size:19px;line-height:1.35;color:var(--ink)}
.box .ko{font-size:14px;color:var(--sub);margin-top:3px}
.play{width:40px;height:40px;border-radius:50%;background:var(--v-grad);color:#fff;display:flex;align-items:center;justify-content:center;flex:none;box-shadow:0 6px 14px rgba(157,108,242,.35)}
.play svg{width:19px;height:19px}
.play.sm{width:34px;height:34px}
.play.sm svg{width:16px;height:16px}
.play:active{transform:scale(.92)}
.old{color:var(--bad);text-decoration:line-through;text-decoration-thickness:2px;opacity:.85}
.new{background:var(--hi-bg);color:var(--hi-ink);border-radius:7px;padding:0 5px}
.why{font-size:14px;color:var(--sub);margin-top:6px;line-height:1.5}
.why b{color:#b06d00}
.note{font-size:13px;color:var(--sub);text-align:center;line-height:1.5;padding:0 12px}
.summary{align-self:center;max-width:94%;text-align:center;font-size:13.5px;line-height:1.55;color:#4a445d;background:var(--glass2);border:1px solid var(--rim);border-radius:16px;padding:10px 14px;box-shadow:var(--shadow)}
.summary b{color:var(--violet);display:block;font-size:12px;margin-bottom:2px}
.err .bub{background:#fff4f6;border-color:#ffd9e3;color:#8a2c4b}
.typing{display:flex;gap:5px;padding:16px 16px}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--violet);opacity:.35;animation:dot 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes dot{40%{opacity:1;transform:translateY(-3px)}}

/* 오늘의 문장 */
.today{position:relative;border-radius:26px;padding:16px;background:rgba(255,255,255,.88);border:1px solid var(--rim);box-shadow:0 14px 34px rgba(150,100,210,.18);overflow:hidden}
.today::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(196,139,248,.16) 0%,rgba(240,139,198,.08) 45%,rgba(255,255,255,0) 75%);pointer-events:none}
.today>*{position:relative}
.today .lb{font-size:12px;font-weight:700;color:var(--violet);display:flex;align-items:center;gap:5px}
.today .lb svg{width:14px;height:14px}
.today .en{font-size:22px;line-height:1.3;flex:1}
.today .ko{font-size:15px;color:var(--sub);margin-top:4px}
.mine{font-size:12.5px;color:var(--mute);margin-top:6px}
.saved{display:inline-flex;align-items:center;gap:5px;margin-top:10px;font-size:12.5px;font-weight:600;color:var(--ok);background:var(--ok-bg);padding:5px 10px;border-radius:999px}
.saved.recall-no{color:#8a6a00;background:#fff4cf}
.saved svg{width:14px;height:14px}
.fold{display:flex;width:100%;align-items:center;justify-content:space-between;margin-top:12px;padding:13px 14px;border-radius:16px;background:linear-gradient(135deg,rgba(243,234,255,.9),rgba(255,239,247,.9));border:1px solid rgba(157,108,242,.14);font-size:15px;font-weight:600;color:var(--ink)}
.fold span{display:flex;align-items:center;gap:4px;font-size:13px;color:var(--violet)}
.fold svg{width:16px;height:16px;transition:transform .2s}
.fold[aria-expanded="true"] svg{transform:rotate(180deg)}
.var{display:flex;gap:10px;align-items:flex-start;margin-top:8px;padding:11px 12px;border-radius:16px;background:rgba(255,255,255,.8);border:1px solid var(--hair)}
.var .t{flex:1;min-width:0}
.var .tag{font-size:12px;font-weight:700;margin-bottom:3px;display:flex;align-items:center;gap:6px}
.var .tag i{width:7px;height:7px;border-radius:50%;display:block}
.var .en{font-size:17px;line-height:1.35}
.var .ko{font-size:13px;color:var(--sub);margin-top:2px}
.gram{color:var(--c3);background:rgba(139,92,246,.13);border-radius:6px;padding:0 4px}
.gnote{font-size:13px;color:var(--sub);margin-top:6px;line-height:1.55;background:rgba(139,92,246,.07);border-radius:10px;padding:7px 9px}
.gnote b{color:var(--c3)}

/* 입력창 */
.composer{display:flex;gap:8px;align-items:flex-end;padding:8px 14px calc(var(--safe-b) + 10px)}
.composer textarea{flex:1;min-height:50px;max-height:140px;resize:none;border-radius:25px;background:var(--glass2);border:1px solid var(--rim);padding:13px 18px;font-size:16px;line-height:1.45;font-family:inherit;color:var(--ink);box-shadow:var(--shadow);outline:none}
.composer textarea::placeholder{color:var(--mute)}
.send{width:50px;height:50px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;flex:none;box-shadow:0 8px 18px rgba(31,26,46,.25)}
.send:disabled{background:rgba(31,26,46,.18);box-shadow:none}

/* 처음 설정·설치 안내 */
.page>*{flex:none}
.page{flex:1;overflow-y:auto;padding:calc(var(--safe-t) + 18px) 20px calc(var(--safe-b) + 20px);display:flex;flex-direction:column}
.hero{display:flex;flex-direction:column;align-items:center;text-align:center}
.hero h1{font-size:24px;letter-spacing:-.5px;margin:16px 0 4px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#a565f3,#ee7fbe);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin:0;color:var(--sub);font-size:14.5px;line-height:1.5}
.fieldset{display:block;margin-top:14px;padding:12px 14px;border-radius:20px;background:var(--glass2);border:1px solid var(--rim);box-shadow:var(--shadow)}
.fieldset .q{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700}
.fieldset .q .ic{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,rgba(196,139,248,.25),rgba(240,139,198,.2));color:var(--violet);display:flex;align-items:center;justify-content:center}
.fieldset .q .ic svg{width:15px;height:15px}
.fieldset .q small{font-weight:500;color:var(--mute);font-size:12px}
.fieldset input{width:100%;margin-top:8px;font-size:16px;font-family:inherit;padding:11px 12px;border-radius:12px;background:rgba(255,255,255,.9);border:1px solid var(--hair);color:var(--ink);outline:none}
.fieldset input:focus{border-color:rgba(157,108,242,.5)}
.fieldset .hint{font-size:12.5px;color:var(--mute);margin-top:6px;line-height:1.5}
.cta{display:flex;align-items:center;justify-content:center;gap:8px;height:58px;width:100%;border-radius:29px;background:var(--v-grad);color:#fff;font-weight:700;font-size:17px;box-shadow:0 12px 26px rgba(157,108,242,.38);margin-top:20px}
.cta svg{width:19px;height:19px}
.cta:disabled{opacity:.6}
.ghost{display:flex;align-items:center;justify-content:center;gap:6px;height:48px;width:100%;border-radius:24px;background:var(--glass2);border:1px solid var(--rim);font-weight:600;font-size:15px;box-shadow:var(--shadow);margin-top:10px}
.formmsg{min-height:20px;margin-top:10px;text-align:center;font-size:13.5px;color:var(--bad)}
.formmsg.good{color:var(--ok)}
.more{margin-top:26px;padding-top:6px;border-top:1px solid var(--hair)}
.more h2{font-size:15px;margin:16px 0 4px}
.more p{font-size:13px;color:var(--sub);line-height:1.55;margin:4px 0}
.warn{font-size:13px;line-height:1.55;color:#7a4c00;background:#fff6dc;border:1px solid #ffe7a6;border-radius:14px;padding:10px 12px;margin-top:8px}
.steps{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-direction:column;gap:10px}
.steps li{display:flex;gap:12px;align-items:center;background:var(--glass2);border:1px solid var(--rim);border-radius:18px;padding:14px;box-shadow:var(--shadow);font-size:15.5px;line-height:1.45}
.steps li b.n{width:28px;height:28px;flex:none;border-radius:50%;background:var(--v-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px}
.link{margin-top:18px;text-align:center;font-size:13.5px;color:var(--sub);text-decoration:underline}