/* 수학 학년 쪽 /math/g{g}/ and 수학 세트 쪽 /math/g{g}/<set>/ (M055, design v1: planning/design/english_math_v1/MathGrade + MathSet, docs/design_system.md).
   Loaded after site.css on those pages only. Colours are the 중학 수학 field colours of the design system. Nothing here is fixed or sticky. */
.mv { --c: #0E6E78; --bg: #E5F3F4; --bd: #CBE5E8; --lt: #5FC3CC; --navy: #0F1E46; --ink: #1F2329; --ink2: #4B515C; --line: #E6E8EC;
      word-break: keep-all; color: var(--ink); }
.mv a { color: var(--c); }
.mv a:hover { color: var(--navy); }

/* head */
.mv-head { background: var(--bg); border-bottom: 1px solid var(--bd); }
.mv-head__in { max-width: 1168px; margin: 0 auto; padding: 22px 24px 24px; }
.mv-head .breadcrumb { margin: 0 0 12px; }
.mv-chips { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.mv-lab { font-size: 13px; font-weight: 800; color: #fff; background: var(--c); border-radius: 6px; padding: 3px 9px; }
.mv-chip { font-size: 12.5px; font-weight: 800; color: var(--c); background: #fff; border: 1px solid var(--bd); border-radius: 999px; padding: 2px 10px; }
.mv-head h1 { margin: 10px 0 6px; font-size: 30px; line-height: 1.3; font-weight: 900; color: var(--navy); letter-spacing: -0.5px; }
.mv-head__p { margin: 0; font-size: 15.5px; line-height: 1.6; color: var(--ink2); max-width: 820px; }
.mv-head__p strong { color: var(--navy); }
.mv-sub { margin: 0; font-size: 15.5px; color: var(--ink2); }

/* pickers (the grade page): 1학기 / 2학기 and 전체 / 중간·기말 대비 / 단원평가; they work only with script, so they are hidden without it */
.mv-tools { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
html:not(.js) .mv-tools { display: none; }
.mv-seg { display: inline-flex; gap: 4px; background: #fff; border: 1px solid var(--bd); border-radius: 12px; padding: 4px; }
.mv-seg button { min-height: 40px; border: 0; border-radius: 9px; padding: 0 16px; font: inherit; font-size: 14.5px; font-weight: 800; cursor: pointer;
                 background: transparent; color: var(--ink2); }
.mv-seg button[aria-pressed="true"] { background: var(--c); color: #fff; }
.mv-seg button:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }

/* number boxes + buttons (the set page) */
.mv-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 20px; }
.mv-st { background: #fff; border: 1px solid var(--bd); border-radius: 12px; padding: 12px 14px; min-width: 0; }
.mv-st b { display: block; font-size: 19px; font-weight: 900; color: var(--navy); }
.mv-st b strong { font-weight: 900; }
.mv-st span { font-size: 12.5px; color: var(--ink2); }
.mv-acts { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; align-items: center; }
.mv-btn { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 24px; border-radius: 12px;
          font-weight: 800; font-size: 16px; text-decoration: none; }
.mv-btn:hover { text-decoration: none; }
.mv a.mv-btn--p, .mv a.mv-btn--p:hover { background: var(--navy); color: #fff; border: 1px solid var(--navy); }
.mv a.mv-btn--p:hover { background: #1F3C88; border-color: #1F3C88; }
.mv a.mv-btn--s { background: #fff; color: var(--ink); border: 1px solid #D9DCE3; }
.mv a.mv-btn--s:hover { border-color: var(--c); color: var(--c); }
.mv-dl { display: contents; }
.mv-file { font-size: 13px; color: var(--ink2); }
.mv-solve-line { margin: 8px 0 0; font-size: 13px; color: var(--ink2); }

/* body */
.mv-main { max-width: 1168px; margin: 0 auto; padding: 32px 24px 64px; display: flex; flex-direction: column; gap: 38px; }
.mv-main > section { min-width: 0; }
.mv h2 { margin: 0 0 6px; font-size: 21px; line-height: 1.35; font-weight: 900; color: var(--navy); }
.mv-note { margin: 0 0 14px; font-size: 14px; color: var(--ink2); line-height: 1.6; }
.mv-note a { font-weight: 700; }

/* grade page: semester sections */
.mv-sem h2 { font-size: 22px; margin-bottom: 14px; }
.mv-blk { margin-bottom: 22px; }
.mv-blk h3 { margin: 0 0 10px; font-size: 15.5px; font-weight: 900; color: var(--c); display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.mv-blk h3 small { font-size: 12.5px; color: var(--ink2); font-weight: 600; }
.mv-exrow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.mv a.mv-card { display: flex; flex-direction: column; gap: 2px; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; min-height: 64px;
                text-decoration: none; color: var(--ink); background: #fff; min-width: 0; }
.mv a.mv-card:hover { border-color: var(--lt); box-shadow: 0 0 0 3px var(--bg); }
.mv-card b { font-size: 16px; color: var(--navy); }
.mv-card span { font-size: 12.5px; color: var(--ink2); }
.mv a.mv-card--big { background: var(--bg); border-color: var(--bd); }
.mv-tbl { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; list-style: none; margin: 0; padding: 0; }
.mv-r { display: grid; grid-template-columns: 32px minmax(0, 1fr) auto; gap: 12px; align-items: center; min-height: 56px; padding: 8px 14px; border-top: 1px solid #F1F2F4; }
.mv-r:first-child { border-top: 0; }
.mv-no { width: 32px; height: 32px; border-radius: 9px; background: var(--bg); color: var(--c); font-weight: 900; font-size: 13px; display: flex; align-items: center; justify-content: center; }
.mv-r b { font-size: 15px; color: var(--navy); }
.mv-r small { display: block; font-size: 12.5px; color: var(--ink2); font-weight: 500; }
.mv-r small a { font-weight: 700; margin-left: 6px; }
.mv-act { display: flex; gap: 6px; }
.mv a.mv-act__b { min-height: 36px; display: inline-flex; align-items: center; padding: 0 14px; border: 1px solid #D9DCE3; border-radius: 9px; font-size: 13.5px;
                  font-weight: 800; text-decoration: none; color: var(--ink); background: #fff; }
.mv a.mv-act__b:hover { border-color: var(--c); color: var(--c); }

/* set page */
.mv-two { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 14px; align-items: start; }
.mv-bx { border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.mv-br { display: grid; grid-template-columns: 150px minmax(0, 1fr) 28px; align-items: center; gap: 10px; min-height: 34px; font-size: 14px; }
.mv-br .t { height: 10px; border-radius: 5px; background: var(--bg); overflow: hidden; display: block; }
.mv-br .t i { display: block; height: 10px; border-radius: 5px; background: var(--c); }
.mv-br em { font-style: normal; font-weight: 800; color: var(--navy); text-align: right; }
.mv-chk { border: 1px solid var(--bd); background: #F5FAFA; border-radius: 14px; padding: 16px 18px; font-size: 14.5px; line-height: 1.7; }
.mv-chk b { display: block; color: var(--c); margin-bottom: 4px; }
.mv-chk p { margin: 0; }
.mv-pv { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 0; }
.mv-pv figure { margin: 0; min-width: 0; }
.mv-pv .paper { aspect-ratio: 210 / 297; border: 1px solid var(--line); border-radius: 10px; background: #FAFAFC; overflow: hidden; }
.mv-pv .paper img { display: block; width: 100%; height: 100%; object-fit: cover; }
.mv-pv figcaption { margin-top: 6px; font-size: 13px; color: var(--ink2); text-align: center; }
.mv-sets { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.mv a.mv-sc { display: flex; justify-content: space-between; align-items: center; gap: 10px; min-height: 64px; border: 1px solid var(--line); border-radius: 12px;
              padding: 10px 16px; text-decoration: none; color: var(--ink); background: #fff; min-width: 0; }
.mv a.mv-sc:hover { border-color: var(--lt); box-shadow: 0 0 0 3px var(--bg); }
.mv a.mv-sc--hl { background: var(--bg); border-color: var(--bd); }
.mv-sc b { display: block; color: var(--navy); font-size: 15.5px; }
.mv-sc small { font-size: 12.5px; color: var(--ink2); }
.mv-line { font-size: 13px; color: var(--ink2); border-top: 1px solid var(--line); padding-top: 16px; margin: 0; }
.mv-err { margin: 0; font-size: 13px; color: var(--ink2); }
.mv .ad-wrap { margin: 0; }

/* phone */
@media (max-width: 760px) {
  .mv-head__in { padding: 18px 16px 20px; }
  .mv-head h1 { font-size: 24px; }
  .mv-main { padding: 24px 16px 48px; gap: 30px; }
  .mv-seg { width: 100%; }
  .mv-seg button { flex: 1 1 0; padding: 0 6px; }
  .mv-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mv-acts .mv-btn, .mv-acts .mv-dl { flex: 1 1 100%; }
  .mv-exrow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mv-r { grid-template-columns: 32px minmax(0, 1fr); padding: 10px 12px; }
  .mv-act { grid-column: 2; }
  .mv-two, .mv-sets { grid-template-columns: minmax(0, 1fr); }
  .mv-br { grid-template-columns: 110px minmax(0, 1fr) 24px; }
  .mv-pv { gap: 8px; }
}