/* File: /public/assets/app.css
 * Module: UI
 * Purpose: 세련되고 글로벌한 경량 디자인(의존성 없음)
 * Version: v2.0 (2026-01-17)
 */
:root{
  --bg: #0b1220;
  --card: rgba(255,255,255,.06);
  --card2: rgba(255,255,255,.08);
  --border: rgba(255,255,255,.14);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.66);
  --muted2: rgba(255,255,255,.52);
  --accent: #7c5cff;
  --accent2:#22c55e;
  --danger:#fb7185;
  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --radius: 18px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Noto Sans KR", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(124,92,255,.35), transparent 60%),
    radial-gradient(900px 500px at 100% 20%, rgba(34,197,94,.22), transparent 55%),
    radial-gradient(1000px 650px at 30% 110%, rgba(56,189,248,.20), transparent 55%),
    var(--bg);
}
a{color:inherit; text-decoration:none}

.container{max-width:1120px; margin:0 auto; padding:20px}

.topbar{
  position: sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(11,18,32,.60);
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.topbar .row{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; padding:14px 20px;
}
.brand{display:flex; align-items:center; gap:10px; font-weight:900; letter-spacing:-.02em}
.brand .dot{width:10px; height:10px; border-radius:999px; background: linear-gradient(135deg,var(--accent),#38bdf8)}

.nav{display:flex; flex-wrap:wrap; gap:8px; align-items:center}

.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 12px; border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--muted);
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
  font-size: 13px;
}
.pill:hover{transform: translateY(-1px); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.20)}
.pill.active{color: var(--text); border-color: rgba(124,92,255,.55); background: rgba(124,92,255,.14)}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.05));
  border:1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.grid{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px}
@media (max-width: 980px){.grid{grid-template-columns: repeat(2, 1fr)} .nav{display:none}}
@media (max-width: 560px){.grid{grid-template-columns: 1fr}}

.h1{margin:0 0 12px; font-size: 22px; font-weight: 900; letter-spacing:-.02em}
.h2{margin:0 0 6px; font-size: 16px; font-weight: 850; letter-spacing:-.01em}

.muted{color: var(--muted); font-size: 13px}
.muted2{color: var(--muted2); font-size: 12px}

.table{width:100%; border-collapse:collapse; overflow:hidden}
.table th,.table td{padding:12px 10px; border-top:1px solid rgba(255,255,255,.10); text-align:left; font-size:14px}
.table th{color: var(--muted); font-weight:700}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: 10px 12px; border-radius: 12px;
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{transform: translateY(-1px); background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.22)}
.btn.primary{background: rgba(124,92,255,.20); border-color: rgba(124,92,255,.55)}
.btn.primary:hover{background: rgba(124,92,255,.26)}
.btn.good{background: rgba(34,197,94,.18); border-color: rgba(34,197,94,.45)}
.btn.danger{background: rgba(251,113,133,.16); border-color: rgba(251,113,133,.42)}

.input, .select, textarea{
  width:100%;
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  color: var(--text);
  outline:none;
}
.input:focus, textarea:focus, select:focus{border-color: rgba(124,92,255,.55)}
.label{margin: 10px 0 6px; color: var(--muted); font-size: 12px}
.row2{display:flex; gap:12px; align-items:center; flex-wrap:wrap}
.spacer{height:14px}

.videoWrap{border-radius: var(--radius); overflow:hidden; border:1px solid rgba(255,255,255,.10); background: rgba(0,0,0,.55)}
.videoWrap iframe{width:100%; aspect-ratio: 16/9; border:0; display:block}
.videoWrap video{width:100%; display:block}

.footer{padding:18px; text-align:center; color: var(--muted2); font-size:12px}

/* modal */
.modal-backdrop{position:fixed; inset:0; display:none; align-items:center; justify-content:center; padding:18px; z-index:60;
  background: rgba(0,0,0,.55);
}
.modal{width:min(760px, 100%); border-radius: 18px; border:1px solid rgba(255,255,255,.12);
  background: rgba(11,18,32,.88); backdrop-filter: blur(14px);
  box-shadow: var(--shadow); padding: 14px;
}
.modal .head{display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:10px}
.modal .title{font-weight:900}

.badge{display:inline-flex; align-items:center; gap:8px; padding:6px 10px; border-radius:999px;
  border:1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.06);
  color: var(--muted);
}
/* ===== Members page readability hotfix (2026-02-04) ===== */
.page-members {
  color: #111827;           /* 기본 글자색: 진한 회색 */
  background: #f6f7fb;      /* 페이지 배경: 옅은 회색 */
}

.page-members .container {
  color: #111827;
}

/* 카드/표 내부 글자색 고정 */
.page-members .card {
  color: #111827;
  background: #ffffff;
}

.page-members .table th,
.page-members .table td {
  color: #111827;
}

/* 보조 텍스트 */
.page-members .muted,
.page-members .muted2 {
  color: #6b7280;
}

/* 일반 링크만 파랗게 (버튼/필 제외) */
.page-members a:not(.btn):not(.pill) {
  color: #2563eb;
}

/* 입력요소 글자색/배경 */
.page-members input,
.page-members textarea,
.page-members select {
  color: #111827;
  background: #ffffff;
}

.page-members ::placeholder {
  color: #9ca3af;
  opacity: 1;
}

/* =========================================================
   Members page polish pack (keep legacy style) v1.0
   Applied only when <body class="page-members">
   Date: 2026-02-04
========================================================= */

.page-members{
  --m-bg:#f6f7fb;
  --m-card:#ffffff;
  --m-text:#111827;
  --m-muted:#6b7280;
  --m-border:#e5e7eb;
  --m-border2:#eef2f7;
  --m-shadow:0 18px 45px rgba(17,24,39,.06);
  --m-radius:16px;
  --m-radius2:12px;
  --m-focus:0 0 0 3px rgba(59,130,246,.18);
}

.page-members{
  background: var(--m-bg);
  color: var(--m-text);
}

/* 컨테이너 폭/여백: “본문이 꽉 차지 않게” */
.page-members .container{
  max-width: 1240px;
  margin: 28px auto 60px;
  padding: 0 18px;
}

/* 카드 기본 톤 정리 */
.page-members .card{
  background: var(--m-card);
  border: 1px solid var(--m-border);
  border-radius: var(--m-radius);
  box-shadow: var(--m-shadow);
}

/* 버튼/입력 통일감 */
.page-members .btn,
.page-members button.btn{
  border-radius: 12px;
  border: 1px solid var(--m-border);
  background: #0b0f19;       /* 기존 검정 버튼 톤 유지 */
  color: #fff;
  padding: 10px 14px;
  line-height: 1;
}

.page-members .btn.primary{
  background: #111827;
  border-color: #111827;
}

.page-members .btn:active{ transform: translateY(1px); }
.page-members .btn:focus{ outline: none; box-shadow: var(--m-focus); }

.page-members input,
.page-members select,
.page-members textarea{
  border-radius: 12px;
  border: 1px solid var(--m-border);
  background: #fff;
  color: var(--m-text);
  padding: 10px 12px;
}

.page-members input:focus,
.page-members select:focus,
.page-members textarea:focus{
  outline: none;
  box-shadow: var(--m-focus);
  border-color: rgba(59,130,246,.55);
}

.page-members ::placeholder{ color: #9ca3af; opacity: 1; }

.page-members .muted{ color: var(--m-muted); }
.page-members .muted2{ color: #94a3b8; }

/* 상단바가 너무 눌러보이면 살짝 정리 */
.page-members .topbar{
  background: #5b616b; /* 기존 회색 톤 유지 */
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.page-members .topbar .pill{
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.92);
}
.page-members .topbar .pill.active{
  background: rgba(255,255,255,.16);
  border-color: rgba(255,255,255,.28);
}

/* ===== 회원관리 레이아웃(좌/우) ===== */
.page-members .membersShell{
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 18px;
  align-items: start;
}

/* 좌측(학생목록) */
.page-members .membersSidebar{
  position: sticky;
  top: 18px;
}

.page-members .membersSidebar .card{
  padding: 16px;
}

.page-members .membersSidebarHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.page-members .membersTitle{
  font-weight: 800;
  letter-spacing: -0.2px;
}

.page-members .membersSearch{
  margin: 10px 0 14px;
}

.page-members .gradeBlock{
  border: 1px solid var(--m-border2);
  border-radius: var(--m-radius2);
  padding: 10px;
  margin-top: 12px;
  background: #fafbfe;
}

.page-members .gradeHead{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom: 8px;
  font-weight: 700;
}

.page-members .studentItem{
  border: 1px solid var(--m-border);
  border-radius: 14px;
  padding: 10px 12px;
  background:#fff;
  cursor:pointer;
  transition: transform .06s ease, border-color .12s ease;
}
.page-members .studentItem:hover{
  transform: translateY(-1px);
  border-color: rgba(59,130,246,.45);
}
.page-members .studentItem.active{
  border-color: rgba(59,130,246,.85);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}

.page-members .studentName{
  font-weight: 800;
  margin-bottom: 2px;
}
.page-members .studentMeta{
  display:flex;
  justify-content:space-between;
  gap: 10px;
  font-size: 12px;
  color: var(--m-muted);
}

/* 우측(타임라인) */
.page-members .membersMain .card{
  padding: 16px 16px 10px;
}

/* 우측 헤더: 학생명/설명 + 액션/검색 정렬 */
.page-members .membersHeader{
  display:flex;
  justify-content:space-between;
  gap: 14px;
  align-items:flex-start;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--m-border2);
}

.page-members .membersHeaderLeft .h2like{
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.2px;
  margin: 0;
}
.page-members .membersHeaderLeft .sub{
  margin-top: 4px;
  font-size: 12px;
  color: var(--m-muted);
}

.page-members .membersHeaderRight{
  display:flex;
  align-items:center;
  gap: 10px;
}
.page-members .membersHeaderRight input{
  width: 220px;
}

/* 타임라인: 스크롤과 구분감 */
.page-members .timeline{
  padding-top: 12px;
}

.page-members .dayGroup{
  border: 1px solid var(--m-border2);
  border-radius: var(--m-radius);
  background: #fff;
  margin-bottom: 12px;
  overflow: hidden;
}
.page-members .dayHead{
  padding: 12px 14px;
  font-weight: 900;
  background: #f9fafb;
  border-bottom: 1px solid var(--m-border2);
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.page-members .eventCard{
  padding: 12px 14px;
  border-bottom: 1px solid var(--m-border2);
}
.page-members .eventCard:last-child{ border-bottom: 0; }

.page-members .eventTop{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 10px;
}
.page-members .eventTitle{
  font-weight: 900;
  margin-bottom: 4px;
}
.page-members .eventDesc{
  color: var(--m-muted);
  font-size: 12px;
}

.page-members .chips{
  display:flex;
  flex-wrap:wrap;
  gap: 6px;
  margin-top: 8px;
}
.page-members .chip{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--m-border);
  background: #fff;
  color: var(--m-text);
}
.page-members .chip.muted{
  color: var(--m-muted);
  border-color: var(--m-border2);
}

/* 완료 토글이 과하게 튀지 않게 */
.page-members .btn.done{
  background: #111827;
  border-color: #111827;
  padding: 10px 12px;
}
.page-members .btn.ghost{
  background: #fff;
  color: var(--m-text);
  border-color: var(--m-border);
}

.page-members .membersShell{display:grid;grid-template-columns:340px 1fr;gap:18px;align-items:start;}
.page-members .membersSidebar{position:sticky;top:18px;}
.page-members .membersSidebar .card{padding:16px;}
.page-members .membersMain .card{padding:16px;}
.page-members .membersHeader{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;padding-bottom:12px;border-bottom:1px solid #eef2f7;}
.page-members .h2like{font-size:18px;font-weight:900;letter-spacing:-.2px;margin:0;}
.page-members .chips{display:flex;flex-wrap:wrap;gap:6px;}
.page-members .chip{font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid #e5e7eb;background:#fff;color:#111827;}
.page-members .chip.muted{color:#6b7280;border-color:#eef2f7;}
.page-members .gradeBlock{border:1px solid #eef2f7;border-radius:12px;padding:10px;margin-top:12px;background:#fafbfe;}
.page-members .studentItem{border:1px solid #e5e7eb;border-radius:14px;padding:10px 12px;background:#fff;cursor:pointer;}
.page-members .studentItem.active{border-color:rgba(59,130,246,.85);box-shadow:0 0 0 3px rgba(59,130,246,.12);}
.page-members .studentName{font-weight:900;margin-bottom:2px;}
.page-members .studentMeta{display:flex;gap:10px;font-size:12px;color:#6b7280;}
.page-members .dayGroup{border:1px solid #eef2f7;border-radius:16px;background:#fff;margin-bottom:12px;overflow:hidden;}
.page-members .dayHead{padding:12px 14px;font-weight:900;background:#f9fafb;border-bottom:1px solid #eef2f7;display:flex;justify-content:space-between;align-items:center;}
.page-members .eventCard{padding:12px 14px;border-bottom:1px solid #eef2f7;}
.page-members .eventCard:last-child{border-bottom:0;}
.page-members .eventTitle{font-weight:900;margin-bottom:4px;}
.page-members .eventDesc{color:#6b7280;font-size:12px;}

/* ===== Members UX productivity patch v1.0 (2026-02-04) ===== */

/* 헤더 레이아웃을 grid로: 학생명이 세로로 깨지는 문제 해결 */
.page-members .membersHeaderGrid{
  display:grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items:start;
  padding-bottom: 12px;
  border-bottom: 1px solid #eef2f7;
}
.page-members .membersHeaderLeft{
  min-width: 320px;
}
.page-members .membersHeaderLeft .h2like{
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.page-members .membersHeaderRight .ctrlRow{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items:center;
  justify-content:flex-end;
}
.page-members .membersHeaderRight input{
  width: 220px;
}

/* 사이드바 도구 */
.page-members .membersSidebarTools{
  display:flex;
  gap: 10px;
  align-items:center;
  justify-content:space-between;
  margin: 10px 0 12px;
  flex-wrap: wrap;
}
.page-members .chk{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  color:#6b7280;
}
.page-members .chk.small{ font-size:11px; }

/* 학년 블록 */
.page-members .gradeHead{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  margin-bottom: 10px;
}
.page-members .gradeToggle{
  display:flex;
  gap:8px;
  align-items:center;
  border:0;
  background:transparent;
  padding:0;
  cursor:pointer;
  font-weight:900;
}
.page-members .gradeToggle .caret{ width:18px; text-align:center; color:#6b7280; }

/* 학생 리스트: 밀도↑ */
.page-members .studentGrid{
  display:grid;
  gap: 8px;
}
.page-members .studentItem{
  display:flex;
  justify-content:space-between;
  gap: 10px;
  align-items:center;
}
.page-members .studentLeft{ min-width: 0; }
.page-members .studentName{ font-weight: 900; }
.page-members .studentMeta{ font-size:12px; color:#6b7280; }
.page-members .studentRight{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:6px;
}
.page-members .studentActions{
  display:flex;
  gap:6px;
}
.page-members .studentItem.inactive{
  opacity:.55;
  filter: grayscale(.25);
}

/* KPI bar & toast/modal */
.page-members .kpiBar{ display:flex; flex-wrap:wrap; gap:8px; margin:12px 0 6px; }
.page-members .chip.danger{ border-color: rgba(239,68,68,.35); color:#b91c1c; }

.page-members .toast{
  position:fixed; left:50%; bottom:22px; transform:translateX(-50%);
  z-index:9999;
}
.page-members .toastCard{ padding:10px 12px; display:flex; gap:10px; align-items:center; border-radius:14px; }

.page-members .modal{
  position:fixed; inset:0; background:rgba(0,0,0,.45); z-index:9998;
}
.page-members .modalCard{
  max-width:720px; margin:6vh auto; padding:14px; border-radius:16px;
}
.page-members .modalHead{
  display:flex; justify-content:space-between; align-items:center; gap:12px;
}
.page-members .modalTitle{ font-weight:900; }
.page-members .modalBody{ margin-top:12px; }

.page-members .formGrid{ display:grid; gap:10px; }
.page-members .formGrid .row2{ display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.page-members .formActions{ display:flex; justify-content:flex-end; gap:10px; margin-top:4px; }