:root{--bg:#f6f3ec;--card:#fff;--ink:#1f2a24;--sub:#6b756f;--line:#e2ddd0;--up:#1f8a5b;--down:#d9722b;--accent:#1f8a5b}
*{box-sizing:border-box;margin:0}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Pretendard","Noto Sans KR",sans-serif;
  word-break:keep-all;overflow-wrap:break-word;-webkit-text-size-adjust:100%}
#app{max-width:520px;margin:0 auto;padding:20px 16px 32px;min-height:100%}
h1{font-size:26px;line-height:1.3}
h2{font-size:17px;margin:28px 0 10px}
p.sub,.sub{color:var(--sub);font-size:14px}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;border-radius:14px;padding:14px 18px;font-weight:700;background:var(--accent);color:#fff}
button.ghost{background:transparent;color:var(--sub);padding:8px 10px;font-weight:600}
button.line{background:var(--card);color:var(--ink);border:1px solid var(--line)}
button:disabled{opacity:.45}
input,select{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:12px;background:var(--card)}
label{display:block;font-size:14px;color:var(--sub);margin:14px 0 6px}
.box{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px}
.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:8px}
.err{color:#b3261e;font-size:14px;min-height:21px;margin-top:10px}

.login{padding-top:12vh}
.login h1{margin-bottom:6px}
.login form{margin-top:22px}
.login button{width:100%;margin-top:20px}

.today{background:var(--ink);color:#fff;border-radius:22px;padding:24px}
.today .day{font-size:34px;font-weight:800;line-height:1.2}
.today .meta{opacity:.8;margin:6px 0 18px;font-size:15px}
.today button{width:100%;font-size:18px;padding:16px}
.today button.line{margin-top:10px;background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.stats div{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 8px;text-align:center}
.stats b{display:block;font-size:24px}
.stats span{font-size:13px;color:var(--sub)}
.days{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.days div{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:10px 4px;text-align:center;font-size:14px;color:var(--sub);white-space:nowrap}
.days .done{background:var(--up);border-color:var(--up);color:#fff;font-weight:700}
.days .now{border:2px solid var(--ink);color:var(--ink);font-weight:700}

.study{display:flex;flex-direction:column;height:calc(100dvh - 52px)}
.bar{display:flex;align-items:center;justify-content:space-between;font-weight:700;font-variant-numeric:tabular-nums}
.gauge{height:6px;background:var(--line);border-radius:3px;margin:10px 0 16px;overflow:hidden}
.gauge i{display:block;height:100%;background:var(--accent);transition:width .3s}
.hint{text-align:center;font-size:13px;color:var(--sub);margin:4px 0}
.stage{flex:1;display:flex;align-items:center;justify-content:center;min-height:0}
.card{width:100%;height:100%;max-height:420px;background:var(--card);border:1px solid var(--line);border-radius:26px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center;
  touch-action:none;user-select:none;-webkit-user-select:none;position:relative;box-shadow:0 8px 24px rgba(31,42,36,.08)}
.card.anim{transition:transform .28s ease,opacity .28s ease}
.card.up{transform:translateY(-120%);opacity:0}
.card.down{transform:translateY(120%);opacity:0}
.card.isup{border-color:var(--up);background:#eef8f2}
.card.isdown{border-color:var(--down);background:#fdf2ea}
.card .tag{position:absolute;top:16px;left:18px;font-size:13px;color:var(--sub)}
.card .say{position:absolute;top:8px;right:8px;background:transparent;color:var(--sub);padding:10px;font-size:20px}
.card .w{font-size:clamp(34px,11vw,52px);font-weight:800;line-height:1.2;overflow-wrap:anywhere;word-break:normal}
.card .m{font-size:24px;margin-top:16px;min-height:36px;font-weight:600}
.card .m.hide{color:var(--sub);font-size:15px;font-weight:400}
.btns{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
.btns button{font-size:18px;padding:18px 8px}
.btns .dn{background:var(--down)}
.btns .up{background:var(--up)}

.result{text-align:center;padding-top:10vh}
.result .big{font-size:56px}
.result h1{margin:8px 0}
.result .stats{margin:22px 0}
.result button{width:100%}

.kid{margin-bottom:12px}
.kid .row{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.kid .name{font-size:19px;font-weight:800}
.kid .nums{margin:8px 0 12px;font-size:15px}
.kid .acts{display:flex;gap:8px}
.kid .acts button{padding:9px 14px;font-size:14px}
form.box button{width:100%;margin-top:18px}

#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:12px;
  font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;max-width:90vw}
#toast.on{opacity:1}
.card .m{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px}
.card .pos{font-size:13px;font-weight:700;color:var(--accent);border:1px solid var(--accent);border-radius:8px;padding:2px 8px;white-space:nowrap}
.card .u{margin-top:14px;font-size:16px;color:var(--ink);display:grid;gap:6px}
.card .u div{background:var(--bg);border-radius:10px;padding:7px 12px}
.card .u:empty{display:none}
.card .e{margin-top:14px;font-size:15px;color:var(--sub);line-height:1.5}
.card .e b{display:inline-block;font-size:12px;color:var(--down);border:1px solid var(--down);border-radius:8px;padding:1px 7px;margin-right:8px;white-space:nowrap}
.card .e:empty{display:none}
.who{display:grid;gap:12px;margin-top:22px}
.who button{display:block;width:100%;text-align:left;padding:18px 20px;border-radius:18px}
.who button b{display:block;font-size:22px}
.who button span{display:block;margin-top:4px;font-size:14px;font-weight:400;color:var(--sub)}
.more{margin-top:18px;text-align:center}
.kid .stats{margin:14px 0 4px}
.kid .stats div{background:var(--bg);border:0;padding:12px 6px}
.kid .stats b{font-size:20px}
.kid h3{font-size:14px;color:var(--sub);font-weight:600;margin:18px 0 8px}
.week{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;height:110px}
.week div{display:flex;flex-direction:column;justify-content:flex-end;align-items:center;min-width:0}
.week em{font-style:normal;font-size:13px;font-weight:700;margin-bottom:3px}
.week i{display:block;width:100%;max-width:30px;min-height:2px;background:var(--accent);border-radius:6px 6px 2px 2px}
.week span{font-size:13px;color:var(--sub);margin-top:5px}
.kid details{margin-top:16px;font-size:15px}
.kid summary{cursor:pointer;color:var(--sub);font-weight:600}
.kid ul{list-style:none;padding:0;margin-top:10px;display:grid;gap:6px}
.kid li{background:var(--bg);border-radius:10px;padding:8px 12px}
.kid li b{margin-right:8px}
.card{overflow:hidden}
.card .tick{position:absolute;left:0;bottom:0;width:100%;height:6px;background:var(--down);transform-origin:left;animation:tick linear forwards}
@keyframes tick{to{transform:scaleX(0)}}