:root {
  color-scheme: light;
  --ink: #0b0b0b; --ink2: #52514e; --muted: #898781; --line: #e1e0d9; --axis: #c3c2b7;
  --bg: #f4f3ef; --card: #ffffff; --series: #2a78d6; --series-d: #1f62b3;
  --good: #0ca30c; --good-bg: #e6f5e6; --bad: #d03b3b; --bad-bg: #fbeaea; --warn: #b77400; --warn-bg: #fdf3df;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 "Malgun Gothic", "Apple SD Gothic Neo", sans-serif; }
a { color: var(--series-d); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 6px 0 8px; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14.5px; margin: 20px 0 8px; color: var(--ink); }   /* 카드 안 소제목: 카드 제목(h2)보다 작게 */
h1 .muted.small, h2 .muted.small, h3 .muted.small { font-weight: 400; margin-left: 4px; }

/* 긴 설명: 평소에는 숨기고 위쪽 '설명 보기'를 켜면 보인다 */
.hint { display: none; }
body.show-hints .hint { display: block; }
body.show-hints span.hint { display: inline; }
body.show-hints p.hint { background: #f7f6f2; border-left: 3px solid var(--axis); padding: 6px 10px; border-radius: 0 6px 6px 0; }
code { background: var(--bg); padding: 1px 5px; border-radius: 4px; font-size: 13px; word-break: break-all; }
.muted { color: var(--ink2); } .small, small { font-size: 12.5px; } .center { text-align: center; }
.badtext { color: var(--bad); font-weight: 600; }

.top { display: flex; align-items: center; gap: 22px; padding: 0 20px; height: 54px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 30; }
.brand { font-weight: 700; font-size: 17px; color: var(--ink); white-space: nowrap; display: inline-flex; align-items: center; gap: 7px; }
.brand img { display: block; }
.brand:hover { text-decoration: none; }
.top nav { display: flex; align-items: center; gap: 2px; flex: 1; }
.top nav > a, .top .menu > summary { color: var(--ink2); padding: 6px 11px; border-radius: 6px; white-space: nowrap; cursor: pointer; }
.top nav > a.on, .top nav > a:hover, .top .menu.on > summary, .top .menu > summary:hover, .top .menu[open] > summary { background: var(--bg); color: var(--ink); text-decoration: none; }
.top nav > a.on, .top .menu.on > summary { font-weight: 700; }
.nav-sep { width: 1px; height: 20px; background: var(--line); margin: 0 8px; }
.menu { position: relative; }
.menu > summary { list-style: none; user-select: none; }
.menu > summary::-webkit-details-marker { display: none; }
.menu > summary::after { content: ""; display: inline-block; margin-left: 6px; vertical-align: 3px; border: 4px solid transparent; border-top-color: currentColor; border-bottom: 0; }
.menu-pop { position: absolute; top: calc(100% + 6px); left: 0; min-width: 170px; background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,.10); padding: 6px; display: flex; flex-direction: column; z-index: 31; }
.menu.right .menu-pop { left: auto; right: 0; }
.menu-pop a, .menu-pop button.link { display: block; width: 100%; text-align: left; padding: 8px 12px; border-radius: 6px; color: var(--ink); font-size: 14px; white-space: nowrap; }
.menu-pop a:hover, .menu-pop button.link:hover { background: var(--bg); text-decoration: none; }
.menu-pop a.on { font-weight: 700; color: var(--series-d); }
.menu-pop form { margin: 4px 0 0; padding-top: 4px; border-top: 1px solid var(--line); }
.who { display: flex; gap: 10px; align-items: center; font-size: 13.5px; color: var(--ink2); white-space: nowrap; }
.who form { margin: 0; }
.who .menu > summary { padding: 6px 10px; border-radius: 6px; color: var(--ink); }
.who .hint-toggle { font-size: 13px; color: var(--ink2); }
.badge { background: var(--bad); color: #fff; border-radius: 9px; padding: 0 6px; font-size: 11px; }

main { max-width: 1080px; margin: 0 auto; padding: 20px 16px 60px; }
main.narrow { max-width: 440px; padding-top: 60px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin: 14px 0; box-shadow: 0 1px 2px rgba(0,0,0,.03); }
.card.flush { padding: 0; overflow-x: auto; }
.card .pad { padding: 16px 20px 0; }
.card.empty { text-align: center; color: var(--ink2); padding: 40px; }
details.card summary { cursor: pointer; font-weight: 600; }
details.card[open] summary { margin-bottom: 12px; }
.row-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; align-items: start; }   /* 짧은 카드가 옆 카드 높이만큼 비어 늘어나지 않게 */
.grid2 > .card { margin: 14px 0; }

label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--ink2); margin-bottom: 12px; }
label.check { flex-direction: row; align-items: center; gap: 6px; }
input, select, textarea { font: inherit; color: var(--ink); padding: 8px 10px; border: 1px solid var(--axis); border-radius: 7px; background: #fff; min-width: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--series); outline-offset: -1px; border-color: transparent; }
.inline { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.inline > label { margin-bottom: 12px; }
.inline .grow { flex: 1; min-width: 200px; }
button, .button { font: inherit; display: inline-block; padding: 8px 16px; border-radius: 7px; border: 1px solid var(--axis); background: #fff; color: var(--ink); cursor: pointer; font-weight: 600; }
button:hover, .button:hover { background: var(--bg); text-decoration: none; }
.primary { background: var(--series); border-color: var(--series); color: #fff; }
.primary:hover { background: var(--series-d); }
.wide { width: 100%; padding: 12px; font-size: 16px; }
.small { padding: 4px 10px; font-size: 13px; }
button.link { border: 0; background: none; padding: 0; color: var(--series-d); font-weight: 400; font-size: inherit; }
button.link:hover { background: none; text-decoration: underline; }
/* 버튼은 세 가지: 주 버튼(.primary 파랑) · 보조 버튼(흰색) · 위험 버튼(삭제, 빨강 테두리) */
button.danger, button.link.danger { border: 1px solid #ecc3c3; background: #fff; color: var(--bad); padding: 4px 10px; font-size: 13px; font-weight: 600; border-radius: 7px; }
button.danger:hover, button.link.danger:hover { background: var(--bad-bg); text-decoration: none; }
.actrow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.btns { display: inline-flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; margin: 0; }
.auth h1 { margin-bottom: 4px; }
.auth form { margin-top: 14px; }

.flash { background: #e8f0fb; border: 1px solid #c6d9f3; padding: 10px 14px; border-radius: 8px; margin: 10px 0; }
.flash.error { background: var(--bad-bg); border-color: #f0c4c4; color: #8c1f1f; }
.tag { display: inline-block; font-size: 11.5px; padding: 0 7px; border-radius: 9px; background: var(--bg); color: var(--ink2); font-weight: 600; vertical-align: 1px; }
.tag.good { background: var(--good-bg); color: #087a08; } .tag.good::before { content: "✓ "; }
.tag.bad { background: var(--bad-bg); color: #b02a2a; } .tag.bad::before { content: "! "; }
.tag.warn { background: var(--warn-bg); color: var(--warn); }

table.list { width: 100%; border-collapse: collapse; }
.list th { text-align: left; font-size: 12.5px; font-weight: 400; color: var(--muted); padding: 12px 14px 8px; border-bottom: 1px solid var(--axis); white-space: nowrap; }
.list td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.list tr:last-child td { border-bottom: 0; }
.list tr.dim td { color: var(--muted); }
.num { text-align: right; white-space: nowrap; }
.list td form { margin: 0; }
.list td .btns { flex-wrap: nowrap; }   /* 표 안 버튼은 한 줄로 */

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 14px 0; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.tile span { display: block; font-size: 12.5px; color: var(--ink2); }
.tile b { font-size: 26px; }

.chart { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .pass { stroke: var(--muted); stroke-dasharray: 4 3; stroke-width: 1; }
.chart .line { fill: none; stroke: var(--series); stroke-width: 2; }
.chart .dot { fill: var(--series); stroke: #fff; stroke-width: 2; }
.chart text { font-size: 10.5px; fill: var(--muted); }
.chart text.val { font-size: 11px; fill: var(--ink); font-weight: 700; }
.chart text.faint { fill: var(--axis); }

.ubar { display: grid; grid-template-columns: 1fr 120px 100px; gap: 10px; align-items: center; padding: 6px 0; }
.uname { font-size: 13.5px; } .uname small { display: block; color: var(--muted); font-size: 11.5px; }
.track { position: relative; height: 10px; background: var(--bg); border-radius: 5px; }
.fill { height: 100%; background: var(--series); border-radius: 5px; }
.mark { position: absolute; top: -3px; bottom: -3px; width: 1.5px; background: var(--ink2); }
.uval { font-size: 13.5px; font-weight: 700; white-space: nowrap; }
.wrow { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 14px; }

.actions { display: grid; grid-template-columns: 1fr 1fr 2fr; gap: 14px; }
.act { border: 1px solid var(--line); border-radius: 8px; padding: 14px; display: flex; flex-direction: column; }
.act p { margin: 2px 0 10px; }
.act button { margin-top: auto; }

.omr { display: grid; grid-template-columns: repeat(10, 1fr); gap: 8px; margin: 6px 0 14px; }
.omr label { margin: 0; }
.omr input { position: absolute; opacity: 0; pointer-events: none; }
.omr span { display: block; text-align: center; padding: 12px 0; border: 1.5px solid var(--axis); border-radius: 8px; font-weight: 700; font-size: 16px; color: var(--ink); cursor: pointer; user-select: none; }
.omr input:checked + span { background: var(--bad); border-color: var(--bad); color: #fff; }
.omr input:checked + span::after { content: " ✗"; font-size: 12px; }
.omr input:focus-visible + span { outline: 2px solid var(--series); }
.omr label.off span { opacity: .25; cursor: default; }
.score { font-size: 17px; margin-bottom: 12px; min-height: 26px; }

.seg { display: inline-flex; border: 1px solid var(--axis); border-radius: 8px; overflow: hidden; margin-bottom: 14px; }
.seg label { margin: 0; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; padding: 8px 16px; cursor: pointer; color: var(--ink2); font-weight: 600; }
.seg input:checked + span { background: var(--series); color: #fff; }
.seg input:focus-visible + span { outline: 2px solid var(--series-d); }
.result { border: 2px solid var(--series); }
.result h3 { font-size: 14px; margin: 14px 0 4px; color: var(--ink2); }
.score.big { font-size: 22px; }
.btns.left { justify-content: flex-start; margin-top: 16px; gap: 10px; }
.btns form { margin: 0; }
.warnline { color: var(--bad); font-weight: 600; min-height: 1em; margin: 0 0 10px; }
button:disabled { opacity: .4; cursor: default; }

/* 출결 */
td.att { white-space: nowrap; width: 1%; }
td.att form { display: inline; }
.timer { display: inline-flex; flex-direction: column; margin-right: 8px; vertical-align: middle; line-height: 1.2; }
.timer b { color: var(--good); font-size: 15px; }
.timer small { color: var(--muted); }
button.in { background: #eaf2fc; border-color: #bcd4f2; color: var(--series-d); }   /* 등원: 연한 파랑 */
button.in:hover { background: #dbe8f8; }
/* 하원(.out)은 보조 버튼 모양. 오늘 수업의 마지막 단계에서는 .primary가 붙는다 */
tr.here td { background: #f3faf3; }
.inline.tight { gap: 6px; align-items: center; flex-wrap: nowrap; }
.inline.tight input { padding: 4px 6px; }

/* 출결 화면: 달력 + 학생 목록 */
main.wide { max-width: 1240px; }   /* 출결 화면: 오른쪽 학생 목록이 줄바꿈되지 않게 조금 넓게 */
.attwrap { display: grid; grid-template-columns: 300px 1fr; gap: 14px; align-items: start; }
.attlist td { white-space: nowrap; padding-left: 12px; padding-right: 12px; }
.attlist button.tg { padding: 6px 11px; }
.attlist .sess { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 2px 0; }
.attlist .sess form { margin: 0; }
.attlist .sess details.edit[open] { flex-basis: 100%; }   /* 시간 고치기를 열면 그 줄 아래에 */
.attlist .timer { flex-direction: row; align-items: baseline; gap: 6px; margin-right: 0; }
.attlist .today-link { margin-left: 8px; }
.attwrap > .card { margin: 0; }
.cal .row-head { margin-bottom: 8px; }
.calgrid { width: 100%; border-collapse: separate; border-spacing: 3px; table-layout: fixed; margin-bottom: 8px; }
.calgrid th { font-size: 12px; color: var(--muted); font-weight: 400; }
.calgrid td { padding: 0; height: 54px; vertical-align: top; }
.calgrid td a { display: block; height: 100%; padding: 3px 4px; border-radius: 6px; background: var(--bg); color: var(--ink); text-decoration: none; }
.calgrid td a:hover { background: #e8f0fb; }
.calgrid td.other a { opacity: .4; }
.calgrid td.today a { box-shadow: inset 0 0 0 2px var(--ink); }
.calgrid td.sel a { background: var(--series); color: #fff; }
.calgrid .dn { display: block; font-weight: 700; font-size: 13px; }
.cb { display: block; font-size: 10.5px; line-height: 1.35; font-weight: 600; }
.cb.ok { color: #087a08; } .cb.no { color: #b02a2a; }
.calgrid td.sel .cb { color: #fff; }
.search { width: 100%; font-size: 16px; padding: 10px 12px; margin: 6px 0 8px; }
.attlist td { vertical-align: middle; }
.attlist td:first-child { white-space: nowrap; }
.nowrap { white-space: nowrap; }
button.tg { padding: 6px 14px; font-weight: 600; color: var(--ink2); }
button.tg.on.ok { background: var(--good); border-color: var(--good); color: #fff; }
button.tg.on.no { background: var(--bad); border-color: var(--bad); color: #fff; }
button.tg.on::before { content: "✓ "; }
.sess { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.sess form { margin: 0; }
details.edit summary { cursor: pointer; font-size: 12.5px; color: var(--series-d); }
details.edit[open] { flex-basis: 100%; }

/* 티어 */
.tier { display: inline-block; background: var(--tc); color: #fff; font-weight: 700; font-size: 12.5px; padding: 2px 10px; border-radius: 10px; white-space: nowrap; }
.tier.sm { font-size: 11px; padding: 0 7px; margin-right: 4px; }
.tiers { margin-top: 3px; white-space: nowrap; }
.list td.sheetcol { max-width: 0; width: 45%; }   /* 화면이 좁으면 이 칸이 줄어들어 표 전체가 가로 스크롤 없이 들어간다 */
.sheetcol .clip { max-width: 100%; }
.clip { display: block; max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }   /* 긴 학습지 이름은 … (전체는 마우스를 올리면) */
.tierbig { margin: 10px 0; } .tierbig .tier { font-size: 15px; padding: 4px 14px; border-radius: 14px; }
.tierlist { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.rank td { padding: 12px 14px; font-size: 16px; white-space: nowrap; }
.rank .rk { width: 40px; font-weight: 700; color: var(--ink2); text-align: center; }
.rank tr.podium .rk { color: var(--ink); font-size: 20px; }
.seg.links a { display: block; padding: 6px 14px; color: var(--ink2); font-weight: 600; }
.seg.links a.on { background: var(--series); color: #fff; text-decoration: none; }

/* 진도 지도 */
.grid2.wide-left { grid-template-columns: 2fr 1fr; }
.pmap-head { margin-bottom: 8px; } .big-blue { color: var(--series); font-size: 26px; margin-right: 6px; }
.pcells { display: flex; gap: 3px; height: 34px; align-items: stretch; }
.pcell { flex: 1; background: var(--bg); border-radius: 4px; position: relative; display: flex; align-items: flex-end; overflow: hidden; }
.pcell.st-준비 { background: #ecebe6; }
.pcell .pfill { width: 100%; background: var(--series); }
.pcell.st-보완 .pfill { background: #e39a1c; }
.pcell.cur { outline: 2px solid var(--ink); outline-offset: 1px; }
.plegend { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--muted); margin-top: 4px; }
.xp { background: var(--bg); border-radius: 8px; padding: 12px 14px; margin-top: 12px; }
.xp-name { font-size: 18px; font-weight: 700; margin: 2px 0 8px; }
.xp-bar { height: 12px; background: #fff; border-radius: 6px; overflow: hidden; }
.xp-bar div { height: 100%; background: var(--series); border-radius: 6px; }
.xp-foot { display: flex; justify-content: space-between; gap: 10px; margin-top: 6px; font-size: 13px; flex-wrap: wrap; }
details.steps { margin-top: 10px; } details.steps summary { cursor: pointer; color: var(--series-d); font-size: 13.5px; }
.sdot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--line); margin-right: 7px; }
.sdot.st-완료 { background: var(--series); } .sdot.st-진행 { background: #8fb8ea; } .sdot.st-보완 { background: #e39a1c; }

/* 하원 리포트 */
.daily { display: grid; grid-template-columns: 440px 1fr; gap: 14px; align-items: start; }
.dimg { width: 100%; max-width: 400px; border: 1px solid var(--line); border-radius: 8px; }
.center-btns { justify-content: center; margin-top: 10px; }
.daily textarea { width: 100%; margin-bottom: 10px; }

@media (max-width: 1270px) {   /* 달력과 목록을 나란히 두면 목록이 줄바꿈될 폭: 목록을 위, 달력을 아래로 */
  .attwrap { grid-template-columns: 1fr; }
  .attwrap .cal { order: 2; max-width: 420px; }
}
@media (max-width: 760px) {
  .daily, .grid2.wide-left, .attwrap { grid-template-columns: 1fr; }
  .attlist thead { display: none; }
  .attlist tr { display: grid; grid-template-columns: 1fr 1fr; padding: 6px 0; border-bottom: 1px solid var(--line); }
  .attlist td { border: 0; padding: 4px 10px; white-space: normal; }
  .attlist tr { grid-template-columns: auto 1fr; }   /* 출결 버튼은 필요한 만큼, 숙제 버튼 셋이 나머지 폭 */
  .attlist button.tg { padding: 6px 9px; }
  .attwrap .row-head { flex-wrap: wrap; gap: 4px; }
  .attwrap > * { min-width: 0; }
  .attlist, .attlist tbody { display: block; width: 100%; }
  .attlist td:first-child, .attlist td:last-child { grid-column: 1 / -1; }
  .top { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 8px 14px; }
  .top nav { order: 3; flex-basis: 100%; flex-wrap: wrap; }   /* 가로 스크롤이면 펼친 메뉴가 잘려서 줄바꿈으로 */
  .nav-sep { display: none; }
  .grid2, .actions { grid-template-columns: 1fr; }
  .omr { grid-template-columns: repeat(5, 1fr); }
  .inline > label { flex: 1 1 40%; min-width: 0; }
  .inline > .grow { flex-basis: 100%; min-width: 0; }
  .inline label > input, .inline label > select { width: 100%; }
  .list th, .list td { padding: 8px 10px; }
  .ubar { grid-template-columns: 1fr 90px; } .ubar .track { display: none; }
}

/* 레벨테스트·시험대비 범위 고르기 */
.units fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 0 0 10px; padding: 4px 12px 10px; }
.units legend { padding: 0 4px; }
.units label.check { display: inline-flex; gap: 4px; margin: 4px 16px 0 0; font-weight: 400; }

/* AI 도우미 채팅 */
.chat-fab { position: fixed; right: 20px; bottom: 20px; z-index: 20; background: var(--series); color: #fff; border: 0;
  border-radius: 24px; padding: 12px 20px; font-weight: 700; box-shadow: 0 4px 14px rgba(0,0,0,.18); cursor: pointer; }
.chat-fab:hover { background: var(--series-d); }
.chat { position: fixed; right: 20px; bottom: 20px; z-index: 20; width: 380px; max-width: calc(100vw - 32px); height: 560px;
  max-height: calc(100vh - 90px); display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; box-shadow: 0 8px 30px rgba(0,0,0,.18); }
.chat-head { display: flex; align-items: center; gap: 8px; padding: 8px 10px 8px 14px; border-bottom: 1px solid var(--line); }
.chat-head b { flex: 1; }
.chat-head button.small { padding: 4px 10px; font-size: 12.5px; font-weight: 400; }
.chat-x { width: 34px; height: 34px; padding: 0; font-size: 16px; line-height: 1; border-radius: 8px; }
.chat-msgs { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.msg { max-width: 88%; padding: 8px 11px; border-radius: 10px; white-space: pre-wrap; word-break: break-word; font-size: 14px; }
.msg.user { align-self: flex-end; background: var(--series); color: #fff; }
.msg.ai { align-self: flex-start; background: var(--bg); }
.msg.wait { color: var(--muted); }
.msg.err { background: var(--bad-bg); color: #b02a2a; }
.msg .button.file { display: block; margin-top: 8px; text-align: center; white-space: normal; }
.chat-form { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--line); }
.chat-form textarea { flex: 1; resize: none; font: inherit; padding: 6px 8px; border: 1px solid var(--axis); border-radius: 8px; }
@media (max-width: 600px) { .chat { right: 16px; bottom: 16px; height: calc(100vh - 80px); } .chat-fab { right: 16px; bottom: 16px; } }
@media print { .chat, .chat-fab { display: none !important; } }
/* 오늘 수업: 단계 카드 (번호 원, 지금 할 단계 강조) */
.flow { counter-reset: step; }
.fstep { position: relative; padding-left: 58px; }
.fstep::before { counter-increment: step; content: counter(step); position: absolute; left: 18px; top: 17px; width: 26px; height: 26px; border-radius: 50%; background: var(--line); color: var(--ink2); font-weight: 700; text-align: center; line-height: 26px; font-size: 14px; }
.fstep.done::before { background: var(--good); color: #fff; }
.fstep.now { border: 2px solid var(--series); }
.fstep.now::before { background: var(--series); color: #fff; }
.fstep.wait { opacity: .6; }
.fstep h2 { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; min-height: 26px; }
.fstep > details { border-top: 1px solid var(--line); padding: 10px 0 2px; margin-top: 10px; }
.fstep > details > summary { cursor: pointer; font-weight: 600; color: var(--series-d); }
.fstep > details[open] > summary { margin-bottom: 10px; }
.fstep .tightform { margin: 10px 0 0; }
.fprint { border-top: 1px solid var(--line); padding: 10px 0 4px; }
.fprint:first-of-type { border-top: 0; }
.nowtask { color: var(--series-d); }
.tightform { margin: 6px 0; }
.omr3 { display: grid; grid-template-columns: repeat(10, 1fr); gap: 8px; margin: 6px 0 10px; }
.omr3 button { padding: 10px 0; font-weight: 700; font-size: 15px; }
.omr3 button.x { background: var(--bad); border-color: var(--bad); color: #fff; }
.omr3 button.x::after { content: " ✗"; font-size: 11px; }
.omr3 button.s { background: var(--bg); color: var(--muted); border-style: dashed; }
.omr3 button.s::after { content: " —"; font-size: 11px; }
button.tg.on.warn { background: var(--warn); border-color: var(--warn); color: #fff; }
@media (max-width: 700px) { .omr3 { grid-template-columns: repeat(5, 1fr); } .fstep { padding-left: 20px; } .fstep::before { display: none; } }

/* 단원별 시험대비 입력 칸 (_unit_builder.html) */
.ub-unit { display: flex; align-items: center; justify-content: space-between; gap: 8px; border-bottom: 1px dashed var(--line); padding: 2px 0; }
.ub-unit:last-child { border-bottom: 0; }
.ub-share { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.ub-share input, .ub-cat input { width: 70px; padding: 4px 6px; }
.ub-share input:disabled { opacity: .35; }
.ub-k, .ub-ck { min-width: 56px; display: inline-block; }
.ub-mix { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px 16px; }
.ub-cat { display: flex; flex-direction: column; gap: 2px; margin: 0; }
.ub-cat span { display: inline-flex; align-items: center; gap: 4px; }
.ub-cat.off { opacity: .5; }
.ub-sum { font-weight: 600; margin: 10px 0 4px; }

.sheetname { margin: 0 0 10px; padding: 8px 12px; background: var(--bg); border-radius: 8px; font-size: 15px; }
.sheetname:empty { display: none; }

/* 고등부 출석·숙제 (2026-10-26) */
.lowrate { color: var(--bad); font-weight: 700; }
.ok-t { color: #087a08; } .warn-t { color: var(--warn); }
.stats { display: flex; flex-wrap: wrap; gap: 12px 28px; margin: 6px 0 14px; }
.stats > div { display: flex; flex-direction: column; }
.stats b { font-size: 22px; }

/* 고등부 반 묶음 머리줄 (2026-10-26) */
.list tr.grouphead td { background: var(--bg); padding-top: 10px; border-top: 2px solid var(--axis); }
input.cls { width: 6.5em; }

/* 홈: 큰 달력 + 메모 (2026-10-30) */
.homegrid { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 14px; align-items: start; }
.homegrid > .card, .homegrid aside > .card { margin: 0 0 14px; }
.bigcal .row-head { justify-content: flex-start; margin-bottom: 10px; }
.bigcal h2 { margin: 0 8px; font-size: 18px; }
.bcal { width: 100%; border-collapse: separate; border-spacing: 4px; table-layout: fixed; }
.bcal th { font-size: 12.5px; color: var(--muted); font-weight: 400; padding-bottom: 2px; }
.bcal th.sun, .bcal .dn.sun { color: var(--bad); } .bcal th.sat, .bcal .dn.sat { color: var(--series-d); }
.bcal td { padding: 0; height: 108px; vertical-align: top; }
.bcal td a { display: flex; flex-direction: column; gap: 2px; height: 100%; padding: 5px 6px; border-radius: 8px; background: var(--bg);
  color: var(--ink); text-decoration: none; overflow: hidden; }
.bcal td a:hover { background: #e8f0fb; }
.bcal td.other a { opacity: .45; }
.bcal td.today a { box-shadow: inset 0 0 0 2px var(--ink); }
.bcal td.sel a { box-shadow: inset 0 0 0 2px var(--series); background: #eef4fc; }
.bcal .dn { font-weight: 700; font-size: 14px; }
.bcal .cm { font-size: 11.5px; line-height: 1.35; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bcal .cm.done { color: var(--muted); text-decoration: line-through; }
.bcal .more { font-size: 11px; color: var(--muted); }
.chip { display: inline-block; font-size: 10.5px; font-weight: 700; padding: 0 5px; border-radius: 4px; margin-right: 4px; vertical-align: 1px;
  background: var(--line); color: var(--ink2); text-decoration: none; }
.chip.mid { background: #e1ecfa; color: var(--series-d); } .chip.high { background: #efe4f6; color: #7a3f99; }
.chip.who { background: var(--warn-bg); color: var(--warn); }
.memos h2 { display: flex; align-items: center; gap: 6px; }
.mrow { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 7px 0; border-bottom: 1px solid var(--line); }
.mrow:last-of-type { border-bottom: 0; }
.mrow form { margin: 0; }
.mrow > form, .mrow > .btns { flex-shrink: 0; } .mrow button { white-space: nowrap; }
.mrow.done .mtext { color: var(--muted); text-decoration: line-through; }
.mtext { font-size: 14px; min-width: 0; overflow-wrap: anywhere; }
.mdate { font-size: 12px; font-weight: 700; color: var(--series-d); margin-right: 4px; }
.mdate.late { color: var(--bad); }
.madd { margin-top: 12px; }
.madd .inline.tight { flex-wrap: nowrap; }
.madd input.mtarget { width: 84px; }
.madd input.grow { flex: 1; min-width: 0; }
@media (max-width: 1100px) { .homegrid { grid-template-columns: 1fr; } }
@media (max-width: 700px) { .bcal td { height: 64px; } .bcal .cm { display: none; } .bcal td a::after { content: ""; } }

/* 고등부 최근 수업 상자 (2026-10-30) */
.recent .list tr.daystart td { border-top: 2px solid var(--axis); }
.recent .memo-col { width: 38%; }
.recent input.memo { width: 100%; padding: 5px 8px; font-size: 14px; border-color: var(--line); }
.recent input.memo.saved { border-color: var(--good); background: var(--good-bg); transition: background .3s; }

/* 고등 문항 카드·학습지 (2026-10-26) */
.qgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.qcard { border: 1px solid var(--axis); border-radius: 8px; padding: 8px; background: #fff; display: flex; flex-direction: column; gap: 6px; }
.qcard img { width: 100%; height: auto; }
.qcard .meta { display: flex; justify-content: space-between; align-items: center; gap: 6px; font-size: 12.5px; }
.qcard.on { border-color: var(--series); box-shadow: 0 0 0 1px var(--series); }
.qcard label { margin: 0; display: flex; align-items: center; gap: 6px; font-weight: 600; }
.opts { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.opts label { margin: 0; display: flex; align-items: center; gap: 4px; }
.src { font-size: 11.5px; padding: 1px 6px; border-radius: 4px; background: var(--bg); color: var(--ink2); }
.hpick { display: flex; flex-direction: column; gap: 6px; margin: 6px 0 10px; }
.hpick-row { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: center; }
.hpick-row label { margin: 0; display: flex; align-items: center; gap: 4px; }
.hpick-cls { min-width: 90px; }
.hgrade { border-top: 1px solid var(--line); }
.hgrade > summary { display: flex; justify-content: space-between; align-items: center; gap: 8px 12px; flex-wrap: wrap;
  padding: 10px 4px; cursor: pointer; list-style: none; }
.hgrade > summary::-webkit-details-marker { display: none; }
.hgrade > summary::before { content: "▸"; color: var(--muted); margin-right: -4px; }
.hgrade[open] > summary::before { content: "▾"; }
.hgrade > summary .hname { flex: 1; font-size: 16px; }
.hgrade[open] { box-shadow: inset 3px 0 0 var(--series); padding: 0 8px 12px 12px; }
.hwrong { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); }
.hcls-head { margin: 14px 0 4px; }
.htabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.htabs button.on { background: var(--ink); border-color: var(--ink); color: #fff; }
.htabs button.on .muted { color: #ddd; }
.omr3 button small.ans { display: block; font-size: 10.5px; font-weight: 400; opacity: .75; }

/* ===== 매쓰뱅크 디자인 C '시그니처' (2026-10-31, 사용자 선택) =====
   족보닷컴식 정돈된 카드 + 삼성식 굵은 글씨·알약 버튼. 주색은 로고 파랑(#1f62b3), 로고의 주황 점(--dot)은 '지금 할 단계'에만.
   위쪽 규칙을 덮어쓰는 묶음이라 파일 맨 끝에 둔다. 되돌리려면 이 묶음을 지우면 된다 (백업: _백업\2026-10-31_style_디자인C_적용전.css) */
:root {
  --ink: #0f172a; --ink2: #475467; --muted: #8a94a6; --line: #e6e9ef; --axis: #cfd6e0;
  --bg: #f2f4f7; --card: #ffffff; --series: #1f62b3; --series-d: #174e91; --dot: #f29a2e;
}
/* 글꼴: 프리텐다드 (가변 글꼴 하나에 모든 굵기, static/fonts에 두어 인터넷 없이도 됨, SIL OFL) */
@font-face { font-family: "Pretendard"; src: url("fonts/PretendardVariable.woff2") format("woff2-variations"), url("fonts/PretendardVariable.woff2") format("woff2");
  font-weight: 45 920; font-style: normal; font-display: swap; }
body, input, select, textarea, button { font-family: "Pretendard", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif; }
body { letter-spacing: -0.015em; }
.top { height: 62px; border-bottom: 1px solid var(--line); }
.brand { font-size: 18px; font-weight: 800; }
.top nav > a, .top .menu > summary { color: #344054; font-weight: 600; border-radius: 999px; padding: 7px 14px; }
.top nav > a.on, .top .menu.on > summary { background: #e8f0fb; color: var(--series-d); font-weight: 800; }
.top nav > a:hover, .top .menu > summary:hover, .top .menu[open] > summary { background: var(--bg); color: var(--ink); }
.top nav > a.on:hover, .top .menu.on[open] > summary { background: #e8f0fb; color: var(--series-d); }
main { padding-top: 26px; }
h1 { font-size: 27px; font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: 17px; font-weight: 800; }
/* 모든 흰 상자(.card): 가까운 옅은 그림자 + 넓게 퍼지는 부드러운 그림자 (출결·현황판 같은 큰 상자도 떠 보이게, 10-31 사용자 요청) */
.card { border-radius: 18px; border: 1px solid #e9ecf1; box-shadow: 0 1px 2px rgba(16,24,40,.05), 0 10px 28px -6px rgba(16,24,40,.10); padding: 20px 24px; }
.card .card, .fstep .card { box-shadow: none; }   /* 상자 안 상자는 그림자 없이 */
button, .button { border-radius: 999px; padding: 8px 18px; font-weight: 700; border-color: var(--axis); }
button.small, .button.small { padding: 4px 13px; }
.primary { background: var(--series); border-color: var(--series); color: #fff; box-shadow: 0 2px 6px rgba(31,98,179,.25); }
.primary:hover { background: var(--series-d); }
button.danger, button.link.danger { border-radius: 999px; }
button.link { padding: 0; box-shadow: none; }
input, select, textarea { border-radius: 10px; border-color: var(--axis); padding: 9px 12px; }
.inline.tight input { padding: 4px 8px; }
.tag { border-radius: 999px; padding: 1px 10px; }
.fstep { padding-left: 64px; }
.fstep::before { left: 22px; top: 20px; }
.fstep.now { border: 2px solid var(--series); box-shadow: 0 6px 20px rgba(31,98,179,.12); }
.fstep.now::before { background: var(--dot); }
.fstep.done::before { background: var(--series); }
.omr3 button, .omr span { border-radius: 10px; }
.omr3 button { padding: 10px 0; }
.chat-x { border-radius: 10px; padding: 0; }
.tile { border-radius: 14px; }
.chip.mid { background: #e8f0fb; }
.flash { background: #eef4fc; border: 1px solid #d6e3f5; border-radius: 12px; }
.menu-pop { border-radius: 14px; }
.chat-fab { background: var(--ink); }
.chat-fab:hover { background: #1e293b; }
.chat { border-radius: 18px; }
@media (max-width: 700px) { .fstep { padding-left: 20px; } .card { padding: 16px 16px; } }
/* 위쪽 보기 범위 (담당 강사·반, 2026-10-31): 고른 값이 있으면 파랗게 */
.scope { display: inline-flex; gap: 6px; margin: 0; }
.scope select { padding: 5px 28px 5px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; color: var(--ink2); background-color: var(--bg); border-color: transparent; }
.scope select.on { background-color: #e8f0fb; color: var(--series-d); }
.chip.mode { background: #eef0f4; color: var(--ink2); }

/* ---------- Hit the Math (2026-11-01): 매쓰뱅크 안의 적중 구역. 주황(--dot)을 표지 색으로 ---------- */
.htm-mark { display: inline-block; background: var(--dot); color: #fff; font-weight: 800; font-size: .62em; letter-spacing: .04em;
  padding: 3px 8px; border-radius: 8px; vertical-align: middle; margin-right: 4px; }
.top .htm-menu > summary { color: var(--dot); font-weight: 700; }
.htm-range { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 8px 14px; }
.htm-unit { display: flex; flex-direction: column; gap: 3px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 12px; }
.htm-mid { font-size: 14px; }
.htm-sub { font-size: 13px; color: var(--ink2); padding-left: 20px; }
.mono { font-family: Consolas, monospace; }
/* ---------- Hit the Math 정돈 (2026-11-01): 학교 카드 · 중요도 칸 · 단계 화면 ---------- */
.htm-head { display: flex; align-items: center; gap: 10px 14px; flex-wrap: wrap; }
.htm-head h1 { margin-bottom: 4px; }
.htm-tags { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
.htm-tags .chip { font-size: 12px; padding: 2px 8px; border-radius: 999px; }
.k-1 { --k: #1f62b3; } .k-2 { --k: #f29a2e; } .k-3 { --k: #7a3f99; } .k-4 { --k: #1f9d8a; } .k-5 { --k: #d14d72; } .k-6 { --k: #8a94a6; }

.imp { display: grid; gap: 6px; max-width: 640px; }
.imp-row { display: grid; grid-template-columns: minmax(150px, 1.2fr) 2fr 74px 14px; align-items: center; gap: 12px;
  padding: 6px 10px; border-radius: 10px; background: var(--bg); }
.imp-name { font-weight: 600; font-size: 14px; display: flex; flex-direction: column; line-height: 1.25; }
.imp-name .small { font-weight: 400; }
.imp-bar { height: 8px; border-radius: 999px; background: #e3e7ee; overflow: hidden; }
.imp-bar i { display: block; height: 100%; width: 0; background: var(--k); border-radius: 999px; transition: width .15s; }
.imp-in { width: 74px; text-align: right; font-weight: 700; font-size: 15px; }
.imp-pin { width: 8px; height: 8px; border-radius: 50%; }
.imp-row.pinned .imp-pin { background: var(--k); }
.imp-row.none .imp-name, .imp-row.none .imp-in { color: var(--muted); }
.imp-row.none .imp-bar i { opacity: .35; }
.imp-row.off { opacity: .45; }
.imp-foot { display: flex; justify-content: space-between; align-items: center; padding: 4px 10px 0; font-size: 14px; }
.imp-sum { font-size: 17px; }
.imp.bad .imp-sum { color: var(--bad); }
.imp-warn { margin: 4px 0 0; padding: 8px 12px; border-radius: 10px; background: var(--bad-bg); color: var(--bad); font-weight: 600; font-size: 13.5px; }
button:disabled { opacity: .45; cursor: not-allowed; }

.imp-stack { display: flex; height: 10px; border-radius: 999px; overflow: hidden; gap: 2px; margin: 10px 0 6px; background: #e3e7ee; }
.imp-stack i { display: block; background: var(--k); }
.imp-legend { display: flex; flex-wrap: wrap; gap: 2px 12px; font-size: 12px; color: var(--ink2); }
.imp-legend span { display: inline-flex; align-items: center; gap: 4px; }
.imp-legend i { width: 8px; height: 8px; border-radius: 2px; background: var(--k); display: inline-block; }

.htm-schools { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 0 14px; align-items: start; }
.htm-school h2 { margin: 0; }
.htm-school.data { background: #fbfaf7; }
.htm-school.add { border-style: dashed; box-shadow: none; }
.htm-level { margin: 22px 0 10px; font-size: 17px; }   /* 중등 / 고등 묶음 제목 */
.htm-exams { list-style: none; margin: 12px 0 0; padding: 0; border-top: 1px solid var(--line); }
.htm-exams li { padding: 8px 2px; border-bottom: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 2px 10px; align-items: baseline; }
.htm-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.htm-actions details { flex: 1 1 auto; }
.htm-actions details[open] { flex-basis: 100%; }
.htm-actions details > summary { list-style: none; }
.htm-actions details > summary::-webkit-details-marker { display: none; }
.htm-actions .tightform { margin-top: 10px; padding: 12px; border-radius: 12px; background: var(--bg); }
.pickbox { margin: 12px 0; }
.note { margin: 8px 0 0; padding: 8px 12px; border-radius: 10px; background: var(--warn-bg); color: var(--warn); }
.flush-table { overflow-x: auto; margin: 4px -24px -20px; }
.htm-pane { margin-top: 4px; }
@media (max-width: 700px) {
  .imp-row { grid-template-columns: 1fr 70px 10px; }
  .imp-bar { grid-column: 1 / -1; order: 3; }
  .htm-schools { grid-template-columns: 1fr; }
  .flush-table { margin: 4px -16px -16px; }
}/* HTM 화면: 체크·짧은 입력은 글자 옆에 (전역 label은 위아래로 쌓는다) */
.htm-page .opts label, .htm-range label { flex-direction: row; align-items: center; gap: 6px; margin: 0; }
.htm-page input[type=checkbox], .htm-page input[type=radio] { width: auto; margin: 0; }
.htm-page .opts label.grow { flex: 1 1 220px; }
.htm-page .opts label.grow input { flex: 1; }
.htm-range { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.htm-unit { gap: 6px; }
.htm-sub { padding-left: 22px; }
.htm-page .imp-row { margin: 0; }.htm-page .nowrap { white-space: nowrap; }
.filelinks { display: flex; flex-wrap: wrap; gap: 4px; margin: 6px 0 2px; }
.filelinks .button.small { padding: 3px 10px; font-size: 12px; }
.list tr.imported td { background: #fbfaf7; }/* 핵심 문항 (2026-11-01) */
.core-row { display: grid; grid-template-columns: 54px minmax(260px, 460px) 1fr; gap: 14px; padding: 14px 0; border-top: 1px solid var(--line); align-items: start; }
.core-row.cand { opacity: .62; }
.core-row.cand:hover, .core-row.cand:focus-within { opacity: 1; }
.core-side { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.core-star input { position: absolute; opacity: 0; pointer-events: none; }
.core-star span { font-size: 26px; line-height: 1; color: #d5d9e0; cursor: pointer; }
.core-star input:checked + span { color: var(--dot); }
.core-star input:focus-visible + span { outline: 2px solid var(--series); border-radius: 4px; }
.core-rank { width: 50px; text-align: center; padding: 4px; font-size: 12px; }
.core-q img { width: 100%; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.core-info textarea { width: 100%; margin-top: 8px; font-size: 13px; }
.core-acts { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-top: 6px; }
.core-alts { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin-top: 8px; }
.core-alt { border: 1px solid var(--line); border-radius: 10px; padding: 8px; display: flex; flex-direction: column; gap: 6px; }
.core-alt img { width: 100%; }
@media (max-width: 800px) { .core-row { grid-template-columns: 44px 1fr; } .core-info { grid-column: 1 / -1; } }/* 하늘고 루틴 (2026-11-01) */
.routine { list-style: none; margin: 8px 0 0; padding: 0; }
.routine li { display: grid; grid-template-columns: 30px 1fr auto; gap: 10px; align-items: center; padding: 9px 4px; border-bottom: 1px solid var(--line); }
.routine-mark { width: 26px; height: 26px; border-radius: 50%; background: var(--line); color: var(--ink2); display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.routine li.ok .routine-mark { background: var(--good); color: #fff; }
.routine-body { display: flex; flex-direction: column; gap: 2px; }
.routine-edit .opts { margin-bottom: 6px; }
.routine-edit .grow-in { flex: 1 1 260px; }
.htm-general > summary { cursor: pointer; list-style: none; }
.htm-general > summary::-webkit-details-marker { display: none; }
.htm-general > summary::before { content: "▸ "; color: var(--muted); }
.htm-general[open] > summary::before { content: "▾ "; }
.card.inner { box-shadow: none; border: 1px solid var(--line); margin: 12px 0 0; }.core-src { margin: 4px 0 2px; font-size: 13px; font-weight: 600; color: var(--series-d); }
.core-src.out { color: var(--warn); }
/* ---------- 연구소 (2026-11-02) ---------- */
.st-1 { --st: #8a94a6; } .st-2 { --st: var(--good); } .st-3 { --st: var(--dot); } .st-4 { --st: #64748b; } .st-5 { --st: var(--bad); }
.lab-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 0 14px; align-items: start; }
.lab-card { display: block; color: inherit; text-decoration: none; }
a.lab-card:hover { border-color: var(--series); }
.lab-card.add { border-style: dashed; box-shadow: none; }
.lab-bar { display: flex; height: 10px; border-radius: 999px; overflow: hidden; gap: 2px; margin: 12px 0 6px; background: #e3e7ee; }
.lab-bar i { background: var(--st); }
.lab-legend { display: flex; flex-wrap: wrap; gap: 2px 12px; font-size: 12.5px; color: var(--ink2); }
.lab-legend span { display: inline-flex; align-items: center; gap: 4px; }
.lab-legend i { width: 8px; height: 8px; border-radius: 2px; background: var(--st); display: inline-block; }
.lab-tabs { flex-wrap: wrap; }
.lab-row { border-top: 1px solid var(--line); padding: 14px 0 12px; border-left: 4px solid var(--st); padding-left: 12px; margin-left: -4px; }
.lab-head { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.lab-st { background: color-mix(in srgb, var(--st) 15%, white); color: var(--st); }
.lab-cols { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr) 260px; gap: 16px; align-items: start; }
.lab-cap { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.lab-q img, .lab-sol img { width: 100%; max-width: 460px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.lab-orig { margin-top: 6px; }
.lab-act textarea { width: 100%; font-size: 13px; }
.lab-act .btns { margin: 6px 0 4px; flex-wrap: wrap; }
.lab-note { margin: 0 0 8px; padding: 8px 10px; border-radius: 10px; background: var(--bad-bg); color: var(--bad); font-size: 12.5px; }
@media (max-width: 1000px) { .lab-cols { grid-template-columns: 1fr 1fr; } .lab-act { grid-column: 1 / -1; } }
@media (max-width: 640px) { .lab-cols { grid-template-columns: 1fr; } .lab-grid { grid-template-columns: 1fr; } }
/* 할 일 · 자료 요청 카드 (2026-11-02) */
.todo > summary { list-style: none; cursor: pointer; }
.todo > summary::-webkit-details-marker { display: none; }
.todo > summary h2 { margin: 0; }
.todo-cols { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 4px 24px; margin-top: 10px; }
.todo-group h3 { margin: 10px 0 4px; font-size: 14px; }
.todo-group.auto h3 { color: var(--warn); }
.todo-row { display: flex; align-items: flex-start; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--line); }
.todo-row form { margin: 0; }
.todo-text { flex: 1; font-size: 14px; line-height: 1.4; }
.todo-row.done .todo-text { color: var(--ink2); text-decoration: line-through; }
.todo-box { width: 22px; height: 22px; padding: 0; border-radius: 6px; border: 1.5px solid var(--line2, #c9ced6); background: transparent;
  color: transparent; font-size: 13px; line-height: 1; cursor: pointer; }
.todo-box:hover { border-color: var(--series-d, #1f62b3); color: var(--series-d, #1f62b3); }
.todo-box.on { background: var(--series-d, #1f62b3); border-color: var(--series-d, #1f62b3); color: #fff; }
.todo-add { margin-top: 12px; }
.todo-add select { width: auto; }
.todo-done { margin-top: 10px; }
.todo-pill { font-size: 13px; padding: 3px 10px; border-radius: 999px; background: var(--warn-bg); color: var(--warn); text-decoration: none; white-space: nowrap; }
.todo-pill b { margin-left: 2px; }

/* 레벨테스트 2.0 (2026-11-02, 11-02 저녁 정돈) */
.lv-presets { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px; }
.htm-page .lv-preset { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; text-align: left; padding: 12px 14px;
  height: auto; white-space: normal; border-radius: 12px; background: var(--card, #fff); border: 1.5px solid var(--line); font-weight: 400; }
.htm-page .lv-preset:hover { border-color: var(--series-d, #1f62b3); }
.htm-page .lv-preset.on { border-color: var(--series-d, #1f62b3); background: #eef4fc; box-shadow: 0 0 0 2px rgba(31, 98, 179, .15); }
.lv-preset b { font-size: 15px; }
.lv-pdesc { font-size: 12.5px; color: var(--ink2); line-height: 1.45; }
.lv-pmeta { font-size: 12px; color: var(--series-d, #1f62b3); font-weight: 600; }
.lv-applied { margin: 12px 0 0; padding: 8px 12px; border-radius: 10px; background: #eef4fc; color: #1f4f8f; font-size: 13.5px; }
.lv-tabs .lv-cnt { color: var(--series-d, #1f62b3); font-weight: 700; font-size: 12px; }
.lv-tabs a.on .lv-cnt { color: #fff; }
.lv-course[hidden] { display: none !important; }
.lv-allrow { display: inline-flex !important; margin: 4px 0 10px !important; padding: 6px 12px; border-radius: 8px; background: var(--bg); }
@keyframes lvflash { from { box-shadow: 0 0 0 3px rgba(242, 154, 46, .7); } to { box-shadow: 0 0 0 3px rgba(242, 154, 46, 0); } }
.flash { animation: lvflash 1.2s ease-out; }.lv-tabs a { white-space: nowrap; }
.htm-page label.lv-allrow { flex-direction: row; align-items: center; gap: 6px; }
.seg .lv-cnt { display: inline; padding: 0 0 0 2px; }