/* ============ 고3 정착반 운영 시스템 셸 ============ */
:root{
  --brand:#2f5d57; --brand2:#244a45; --gold:#bd9a4f;
  --bg:#f3f5f4; --panel:#fff; --line:#e2e5e2; --ink:#23302d; --ink2:#566; --mute:#7d847f;
}
*{ box-sizing:border-box; }
html,body{ height:100%; margin:0; }
body{ background:var(--bg); color:var(--ink); font-family:"Pretendard","Malgun Gothic","맑은 고딕",sans-serif;
  display:flex; flex-direction:column; overflow:hidden; }
a{ color:inherit; text-decoration:none; }

/* 상단바 */
#shellTop{ flex:none; height:56px; background:#fff; border-bottom:1px solid var(--line);
  display:flex; align-items:center; gap:14px; padding:0 18px; }
.s-brand{ font-weight:800; font-size:16px; color:var(--brand); }
.s-brand span{ font-weight:600; font-size:11px; color:var(--mute); margin-left:7px; }
.s-spacer{ flex:1; }
.s-role{ display:flex; align-items:center; gap:6px; font-size:12px; color:var(--mute); }
.s-role select{ font-size:12.5px; padding:5px 8px; border:1px solid var(--line); border-radius:8px; background:#fff; font-family:inherit; }
.s-btn{ font-family:inherit; font-size:12.5px; border:1px solid var(--line); background:#fff; color:var(--ink);
  padding:7px 12px; border-radius:8px; cursor:pointer; }
.s-btn:hover{ border-color:var(--brand); }
.s-btn.primary{ background:var(--brand); border-color:var(--brand); color:#fff; font-weight:700; }
.s-btn.primary:hover{ background:var(--brand2); }
.s-btn.tiny{ padding:4px 9px; font-size:11.5px; border-radius:7px; }
.s-btn.danger{ color:#b3402f; } .s-btn.danger:hover{ border-color:#b3402f; background:#fbeeec; }

/* 본문 2단 */
#shellBody{ flex:1; display:flex; min-height:0; }
#shellNav{ flex:none; width:208px; background:#fff; border-right:1px solid var(--line); padding:12px 10px; overflow:auto; }
.nav-grp{ font-size:10.5px; font-weight:800; color:var(--mute); letter-spacing:.5px; padding:12px 8px 5px; }
.nav-item{ display:flex; align-items:center; gap:9px; padding:9px 11px; border-radius:9px; cursor:pointer;
  font-size:13px; color:var(--ink); margin:1px 0; }
.nav-item:hover{ background:#f1f5f3; }
.nav-item.active{ background:var(--brand); color:#fff; font-weight:700; }
.nav-item .ic{ font-size:15px; width:18px; text-align:center; }
.nav-item.hidden{ display:none; }

#shellMain{ flex:1; min-width:0; overflow:auto; position:relative; }
.screen{ display:none; padding:22px 26px; }
.screen.active{ display:block; }
.screen.full{ padding:0; position:absolute; inset:0; }
.scr-head{ display:flex; align-items:center; gap:10px; margin-bottom:16px; }
.scr-head h1{ font-size:20px; font-weight:800; letter-spacing:-.4px; margin:0; }
.scr-head .sub{ font-size:12px; color:var(--mute); }
.scr-head .sp{ flex:1; }

/* 편집기 iframe */
#editorFrame{ width:100%; height:100%; border:0; display:block; }

/* 카드 */
.cards{ display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:14px; }
.card{ background:#fff; border:1px solid var(--line); border-radius:14px; padding:16px 18px; }
.card h3{ margin:0 0 6px; font-size:13px; color:var(--mute); font-weight:700; }
.card .big{ font-size:26px; font-weight:800; color:var(--brand); }
.card .mid{ font-size:15px; font-weight:700; }
.card .lead{ font-size:12px; color:var(--ink2); margin:4px 0 0; line-height:1.5; }
.card.link{ cursor:pointer; transition:.12s; }
.card.link:hover{ border-color:var(--brand); box-shadow:0 6px 18px -12px rgba(0,0,0,.4); }
.pill{ display:inline-block; font-size:10.5px; padding:2px 9px; border-radius:20px; background:#eef3f0; color:var(--brand); font-weight:700; }
.pill.wor{ background:#faf6ec; color:#8f6f24; }

/* 표/리스트 */
.tbl{ width:100%; border-collapse:collapse; background:#fff; border:1px solid var(--line); border-radius:12px; overflow:hidden; }
.tbl th,.tbl td{ border-bottom:1px solid var(--line); padding:9px 12px; text-align:left; font-size:12.5px; }
.tbl th{ background:#f6f8f7; color:var(--brand); font-weight:700; font-size:11.5px; }
.tbl tr:last-child td{ border-bottom:0; }
.tbl tr.clk{ cursor:pointer; } .tbl tr.clk:hover{ background:#f3f6f4; }
.muted{ color:var(--mute); font-size:12px; }

input.f, textarea.f, select.f{ font-family:inherit; font-size:13px; padding:8px 10px; border:1px solid var(--line);
  border-radius:8px; background:#fff; width:100%; }
textarea.f{ min-height:70px; resize:vertical; }
.row{ display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.row > *{ min-width:0; }
.field{ margin-bottom:10px; } .field label{ display:block; font-size:11.5px; color:var(--mute); margin-bottom:4px; }

/* 체크리스트 */
.chk-list{ display:grid; grid-template-columns:1fr 1fr; gap:8px 22px; }
.chk-list label{ display:flex; gap:9px; align-items:center; font-size:13px; padding:6px 4px; cursor:pointer; }
.chk-grp{ font-size:12px; font-weight:800; color:var(--brand); margin:14px 0 6px; }

/* 설문 */
.likert{ display:flex; gap:6px; flex-wrap:wrap; margin-top:6px; }
.likert label{ font-size:11.5px; display:flex; align-items:center; gap:4px; border:1px solid var(--line);
  padding:5px 9px; border-radius:20px; cursor:pointer; }
.likert input{ accent-color:var(--brand); }
.q{ background:#fff; border:1px solid var(--line); border-radius:12px; padding:14px 16px; margin-bottom:12px; }
.q .qt{ font-size:13.5px; font-weight:700; }

/* 로그인 */
#loginOv{ position:fixed; inset:0; z-index:9999; background:rgba(36,46,42,.55); backdrop-filter:blur(3px);
  display:flex; align-items:center; justify-content:center; }
.login-card{ width:330px; background:#fff; border-radius:16px; padding:28px 24px; text-align:center;
  box-shadow:0 20px 60px -20px rgba(0,0,0,.5); }
.login-card h2{ margin:0 0 4px; font-size:19px; color:var(--brand); }
.login-card p{ font-size:12px; color:var(--mute); margin:6px 0 16px; }
.login-card input{ width:100%; font-size:14px; padding:11px 13px; border:1px solid var(--line); border-radius:9px; margin-bottom:11px; }
.login-card .s-btn.primary{ width:100%; padding:11px; }
.login-msg{ font-size:11.5px; color:#b3402f; min-height:16px; margin-top:10px; }
.empty{ color:var(--mute); font-size:13px; padding:20px; text-align:center; }