/* 학생·학부모 웹(t/student, t/parent) 공통. tokens.css 다음에 불러온다.
   예전 변수 이름(--bg·--card·--text·--sub·--accent…)은 인라인 스타일이 써서 이어 둔다.
   학원 브랜딩은 --accent·--on-accent만 바꾼다. */
:root {
  --bg: var(--chalk-50); --card: var(--chalk-0); --text: var(--ink-900); --sub: var(--ink-600);
  --green: var(--green-600); --red: var(--red-600); --blue: var(--blue-600); --line: var(--chalk-200);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font); background: var(--bg); color: var(--text); min-height: 100vh;
       font-size: 15px; line-height: 1.55; word-break: keep-all; -webkit-font-smoothing: antialiased; }
.i { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.75;
     stroke-linecap: round; stroke-linejoin: round; vertical-align: -4px; }
.wrap { max-width: 560px; margin: 0 auto; padding: 16px 16px 60px; }

header { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 16px; }
header h1, h1.title { display: flex; align-items: center; gap: 8px; font-family: var(--serif); font-size: 20px; font-weight: 700; letter-spacing: -.02em; }
header h1 img, h1.title img { width: 26px; height: 26px; border-radius: 6px; object-fit: contain; }
.who { font-size: 13px; color: var(--sub); }
.acts { display: flex; gap: 6px; }
.acts button { display: inline-flex; align-items: center; gap: 5px; height: 34px; padding: 0 10px;
  border-radius: var(--r-sm); border: 1px solid var(--chalk-300); background: var(--chalk-0); color: var(--ink-600);
  font: inherit; font-size: 13px; cursor: pointer; }
.acts button:hover { background: var(--chalk-100); color: var(--ink-900); }
.acts button.primary { background: var(--accent); color: var(--on-accent); border-color: transparent; }

.searchbox { position: relative; margin-bottom: 12px; }
.searchbox input { width: 100%; height: 44px; padding: 0 14px 0 40px; border-radius: var(--r-md); border: 1px solid var(--chalk-300);
  background: var(--chalk-0); color: var(--text); font: inherit; font-size: 16px; }
.searchbox input:focus { outline: none; border-color: var(--board-700); box-shadow: 0 0 0 3px var(--focus-ring); }
.searchbox .ic { position: absolute; left: 12px; top: 12px; color: var(--ink-400); }

/* 탭 — 밑줄형(알약 버튼 대신) */
.tabs { display: flex; gap: 2px; margin-bottom: 16px; overflow-x: auto; border-bottom: 1px solid var(--rule); scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { flex: 0 0 auto; padding: 10px 12px; border: none; background: none; color: var(--sub);
  font: inherit; font-size: 15px; font-weight: 600; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button.on { color: var(--ink-900); border-bottom-color: var(--mark); }

.panel { display: none; }
.panel.on { display: block; }
/* 카드 — 흰 면 + 얇은 테두리 */
.card { background: var(--card); border-radius: var(--r-lg); padding: 14px 16px 16px; margin-bottom: 14px; border: 1px solid var(--line); }
.card h3 { font-family: var(--serif); font-size: 17px; font-weight: 700; margin-bottom: 10px; color: var(--ink-900); letter-spacing: -.01em; }
.row { display: flex; justify-content: space-between; align-items: center; padding: 10px 2px; border-bottom: 1px solid var(--line); font-size: 15px; gap: 8px; }
.row:last-child { border-bottom: none; }
.row .meta, .meta { color: var(--sub); font-size: 13px; }
.empty { color: var(--ink-400); font-size: 14px; padding: 8px 0; }
.dday { border-radius: var(--r-sm); padding: 2px 8px; font-size: 12px; font-weight: 600; flex-shrink: 0; }
.d-soon { background: var(--red-50); color: var(--red-600); }
.d-ok { background: var(--green-50); color: var(--green-600); }
.pill { display: inline-block; border-radius: var(--r-sm); padding: 2px 8px; font-size: 12px; font-weight: 600; }
.p-ok { background: var(--green-50); color: var(--green-600); }
.p-no { background: var(--red-50); color: var(--red-600); }
.p-un { background: var(--amber-50); color: var(--amber-600); }

.stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-bottom: 12px; }
/* 지표 — 떨어진 상자 대신 한 줄을 괘선으로 나눈다 */
.stat { background: var(--card); border-radius: var(--r-lg); padding: 12px 10px; border: 1px solid var(--line); }
.stat .n { font-family: var(--serif); font-size: 26px; font-weight: 700; color: var(--ink-900); font-variant-numeric: tabular-nums; }
.stat .l { font-size: 12px; color: var(--sub); margin-top: 2px; }

/* 달력 */
.calhead { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.calhead b { font-size: 16px; font-variant-numeric: tabular-nums; }
.calhead button { background: none; border: 1px solid var(--chalk-300); border-radius: var(--r-sm); color: var(--ink-600);
  cursor: pointer; padding: 4px 10px; }
.calgrid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.calgrid .dow { text-align: center; font-size: 12px; color: var(--sub); padding: 4px 0; }
.calgrid .day { min-height: 52px; border-radius: 0; background: var(--chalk-0); padding: 4px; font-size: 12px; border: 1px solid var(--line); }
.calgrid .day.has { cursor: pointer; background: var(--chalk-100); }
.calgrid .day.today { border: 2px solid var(--mark); padding: 3px; }
.calgrid .day .n { color: var(--sub); font-variant-numeric: tabular-nums; }
.calgrid .day .marks { display: flex; gap: 3px; margin-top: 4px; }
.calgrid .day .marks i { width: 6px; height: 6px; border-radius: 50%; background: var(--k, var(--ink-400)); }
.k-att { --k: var(--green-600); } .k-hw { --k: var(--amber-500); } .k-mk { --k: var(--blue-600); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12px; color: var(--sub); margin-top: 10px; align-items: center; }
.legend span[class^="k-"]::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 6px; background: var(--k); }
mark { background: var(--hl); color: var(--ink-900); padding: 0 2px; border-radius: 2px; }

/* 배너 — 사진 아래쪽만 어둡게 깔아 글자를 읽히게 */
.bnwrap { position: relative; margin-bottom: 12px; display: none; }
.bntrack { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 10px; scrollbar-width: none; }
.bntrack::-webkit-scrollbar { display: none; }
.bncard { position: relative; flex: 0 0 100%; scroll-snap-align: center; border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 5/2;
  background: var(--chalk-100); color: #fff; text-decoration: none; display: block; }
.bncard img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bncap { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px 16px 12px; background: linear-gradient(transparent, rgba(16, 20, 18, .66)); }
.bncap b { font-size: 16px; } .bncap div { font-size: 13px; color: rgba(255, 255, 255, .85); }
.bndots { position: absolute; bottom: 10px; right: 14px; display: flex; gap: 4px; }
.bndots i { width: 6px; height: 6px; border-radius: 50%; background: rgba(255, 255, 255, .5); }
.bndots i.on { background: #fff; }

.bookcard { display: flex; gap: 12px; padding: 12px 2px; border-bottom: 1px solid var(--line); }
.bookcard:last-child { border-bottom: none; }
.bookcard img { width: 64px; height: 84px; object-fit: cover; border-radius: var(--r-sm); flex-shrink: 0; }
.bookcard .buy { display: inline-block; margin-top: 6px; background: var(--accent); color: var(--on-accent); border: none;
  border-radius: var(--r-sm); padding: 6px 12px; font: inherit; font-size: 13px; font-weight: 600; text-decoration: none; cursor: pointer; }
.bookph { width: 64px; height: 84px; border-radius: var(--r-sm); background: var(--chalk-100); border: 1px solid var(--line); flex-shrink: 0; }

/* 빈 화면 안내 */
#hello, #err, #loading { max-width: 440px; margin: 0 auto; padding-top: 12vh; color: var(--sub); }
#hello .logo, #err .logo, #loading .logo { width: 40px; height: 40px; margin-bottom: 18px; }

/* 불러오는 중 — 익명 로그인·첫 데이터를 받는 몇 초 동안 빈 화면 대신 보인다. 화면이 준비되면 스크립트가 지운다.
   15초가 넘으면(느린 망·스크립트가 막힌 경우) 새로고침 안내가 스크립트 없이 나타난다. */
#loading .ld-row { display: flex; align-items: center; gap: 10px; font-size: 15px; }
#loading .spin { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--chalk-200); border-top-color: var(--accent);
  animation: spin .9s linear infinite; flex-shrink: 0; }
#loading .slow { margin-top: 14px; font-size: 14px; line-height: 1.7; opacity: 0; animation: reveal 0s 15s forwards; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes reveal { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { #loading .spin { animation: none; } }
#hello h1, #err h1 { color: var(--ink-900); font-family: var(--serif); font-size: 26px; font-weight: 700; margin-bottom: 8px; letter-spacing: -.02em; }
.btn-main { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 50px; padding: 0 20px;
  border: none; border-radius: var(--r-md); background: var(--accent); color: var(--on-accent); font: inherit; font-size: 16px; font-weight: 600; cursor: pointer; }

/* 달력 표시 — 색 점 대신 출석부 기호(○ 출석 · 숙 숙제 마감 · 보 보강). 스크립트는 그대로 <i class="k-*"> */
.calgrid .day .marks i { width: auto; height: auto; border-radius: 0; background: none; font-style: normal; color: var(--k, var(--ink-400));
  font-size: 13px; font-weight: 700; line-height: 1; }
.legend span[class^="k-"]::before { width: auto; height: auto; border-radius: 0; background: none; color: var(--k); font-weight: 700; margin-right: 4px; }
.calgrid .day .marks i.k-att::before, .legend span.k-att::before { content: "\25CB"; }
.calgrid .day .marks i.k-hw::before, .legend span.k-hw::before { content: "\C219"; }
.calgrid .day .marks i.k-mk::before, .legend span.k-mk::before { content: "\BCF4"; }
.k-hw { --k: var(--amber-600); }