:root{
  --bg:#f4f5f7; --card:#fff; --ink:#1f2430; --sub:#6b7280; --line:#e6e8ec;
  --accent:#2f6df0; --good:#e2efda; --good-ink:#3f6b2a; --ded:#fff2cc; --ded-ink:#8a6d1a;
  --radius:16px; --shadow:0 1px 3px rgba(20,30,50,.06),0 8px 24px rgba(20,30,50,.06);
}
*{box-sizing:border-box}
[hidden]{display:none!important}   /* .login-landing 의 display:flex 가 hidden 을 덮어 결과가 로그인 아래에 뜨던 문제 방지 */
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:760px;margin:0 auto;padding:32px 18px 64px}

/* 로그인 */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow)}
.login{max-width:420px;margin:8vh auto 0;padding:32px 28px}
.login h1{margin:0 0 4px;font-size:1.4rem}
.login .sub{margin:0 0 22px;color:var(--sub);font-size:.92rem}
form label{display:block;font-size:.85rem;color:var(--sub);margin-bottom:14px;font-weight:600}
form input{display:block;width:100%;margin-top:6px;padding:12px 14px;font-size:1rem;
  border:1px solid var(--line);border-radius:10px;background:#fafbfc}
form input:focus{outline:none;border-color:var(--accent);background:#fff}
button{cursor:pointer;font:inherit}
#submitBtn{width:100%;margin-top:8px;padding:13px;border:0;border-radius:10px;
  background:var(--accent);color:#fff;font-weight:700;font-size:1rem}
#submitBtn:disabled{opacity:.6;cursor:default}
.err{color:#c0392b;font-size:.88rem;margin:14px 0 0}

/* 로그인 랜딩 (타이틀 + 안내 + 폼) */
.login-landing{max-width:560px;margin:4vh auto 0;display:flex;flex-direction:column;gap:18px}
.admin-link-row{display:flex;justify-content:flex-end;margin-bottom:-8px}
.admin-link{font-size:.84rem;font-weight:600;color:var(--sub);text-decoration:none;
  padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:var(--card);box-shadow:var(--shadow)}
.admin-link:hover{color:var(--accent);border-color:var(--accent)}
/* 관리자 미리보기 배너 */
.preview-banner{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  background:#fffaf0;border:1px solid #f0d398;border-radius:12px;padding:12px 16px;margin-bottom:16px;
  font-size:.9rem;color:#7a5b00}
.preview-banner button{border:1px solid #d9b84a;background:#fff;border-radius:8px;padding:7px 13px;
  font-weight:600;color:#7a5b00;cursor:pointer;white-space:nowrap}
.ack-pending{color:var(--sub);font-weight:600;font-size:.92rem}
/* 타이틀 배너 — 배경=고양이 사진, 글씨는 좌하단 어두운 영역(고양이 얼굴은 위쪽에 보이게) */
.title-banner{position:relative;border-radius:var(--radius);overflow:hidden;min-height:236px;
  background:#e9e2d8 url(./pagebackground.jpg) center 20% / cover no-repeat;
  box-shadow:var(--shadow);display:flex;align-items:flex-end}
.title-banner::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top, rgba(24,18,12,.84) 0%, rgba(24,18,12,.58) 22%, rgba(24,18,12,.12) 46%, transparent 62%)}
.tb-text{position:relative;width:100%;padding:18px 22px 20px;color:#fff}
.tb-school{margin:0;font-size:.9rem;font-weight:600;opacity:.96;text-shadow:0 1px 3px rgba(0,0,0,.6)}
.tb-title{margin:5px 0 0;font-size:1.4rem;font-weight:800;line-height:1.32;word-break:keep-all;text-shadow:0 2px 8px rgba(0,0,0,.65)}
.tb-sub{margin:8px 0 0;font-size:.92rem;font-weight:600;color:#fff;opacity:.95;text-shadow:0 1px 5px rgba(0,0,0,.65)}
.notice{padding:22px 22px 20px}
.notice-h{margin:0 0 16px;font-size:1.05rem}
.notice-h span{color:var(--sub);font-size:.8rem;font-weight:600}
.notice-list{margin:0;padding:0;list-style:none;counter-reset:n}
.notice-list li{position:relative;padding:0 0 14px 32px;margin-bottom:14px;border-bottom:1px solid var(--line);
  font-size:.91rem;color:#3a4150;line-height:1.62}
.notice-list li:last-child{border-bottom:0;padding-bottom:0;margin-bottom:0}
.notice-list li::before{counter-increment:n;content:counter(n);position:absolute;left:0;top:0;
  width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;
  font-size:.74rem;font-weight:700;display:flex;align-items:center;justify-content:center}
.notice-list li>b:first-child{display:block;color:var(--ink);font-size:.95rem;margin-bottom:2px}
.chip{display:inline-block;padding:1px 8px;border-radius:6px;font-size:.8rem;font-weight:700;vertical-align:baseline}
.chip-g{background:var(--good);color:var(--good-ink)}
.chip-y{background:var(--ded);color:var(--ded-ink)}
.login-card{padding:24px 24px 26px}
.login-h{margin:0 0 4px;font-size:1.15rem}
.login-card .sub{margin:0 0 18px;color:var(--sub);font-size:.9rem}

/* 수필 탭 — 선생님 한마디 */
.teacher-note{background:linear-gradient(180deg,#fff6f3,#fff);border:1px solid #f5d9cf;border-radius:var(--radius);
  padding:18px 20px;margin-bottom:14px;box-shadow:var(--shadow)}
.teacher-note h3{margin:0 0 8px;font-size:1rem;color:#b4502f}
.teacher-note p{margin:0 0 8px;font-size:.92rem;color:#4a4038;line-height:1.7}
.teacher-note p:last-child{margin-bottom:0}

/* 자세한 채점 기준 조회 */
.criteria{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;box-shadow:var(--shadow);overflow:hidden}
.criteria>summary{cursor:pointer;list-style:none;padding:15px 20px;font-weight:700;font-size:.96rem;color:var(--ink)}
.criteria>summary::-webkit-details-marker{display:none}
.criteria>summary::after{content:"▾";float:right;color:var(--sub)}
.criteria[open]>summary::after{content:"▴"}
.crit-body{padding:4px 20px 18px;border-top:1px solid var(--line)}
.crit-intro{margin:12px 0 14px;color:var(--sub);font-size:.86rem}
.crit-area{padding:13px 0;border-top:1px dashed var(--line)}
.crit-area:first-of-type{border-top:0}
.crit-head{display:flex;justify-content:space-between;align-items:baseline}
.crit-name{font-weight:700;font-size:.96rem}
.crit-full{color:var(--accent);font-weight:700;font-size:.86rem}
.crit-view{margin:4px 0 6px;font-size:.88rem;color:#3a4150}
.crit-key{margin:0 0 6px;font-size:.84rem;color:var(--ded-ink);background:#fff8e8;padding:5px 9px;border-radius:7px}
.crit-el{margin:6px 0;padding-left:18px;font-size:.85rem;color:#46505f}
.crit-el li{margin-bottom:3px}
.crit-lines{width:100%;border-collapse:collapse;margin-top:8px;font-size:.84rem}
.crit-lines th{white-space:nowrap;text-align:center;vertical-align:top;width:48px;padding:5px 6px;
  color:var(--accent);font-weight:700;border:1px solid var(--line);background:#f6f9ff}
.crit-lines td{padding:5px 9px;border:1px solid var(--line);color:#3a4150;line-height:1.5}
.crit-note{margin:8px 0 0;font-size:.82rem;color:var(--sub)}

/* 영역별 평가 섹션 */
.sec-h{margin:20px 4px 10px;font-size:1.08rem}
.area-sec{margin-top:4px}
.hlfb-area{margin:0 0 6px;font-size:.8rem;font-weight:700;color:var(--accent)}

/* 점수 요약 (두 과제 모두) */
.score-summary{display:flex;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.ss-card{flex:1;min-width:150px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:16px 18px;display:flex;flex-direction:column;gap:5px}
.ss-label{font-size:.86rem;color:var(--sub);font-weight:600}
.ss-total b{font-size:1.85rem;color:var(--ink)}
.ss-total em{font-style:normal;color:var(--sub);font-size:.9rem}

/* 감점된 채점 요소 요약 */
.deduct-summary{padding:16px 18px;margin-bottom:14px}
.deduct-h{margin:0 0 10px;font-size:1rem}
.deduct-row{display:flex;gap:12px;align-items:baseline;padding:8px 0;border-top:1px solid var(--line)}
.deduct-row:first-of-type{border-top:0}
.deduct-type{flex-shrink:0;min-width:78px;font-weight:700;font-size:.9rem;color:var(--ink)}
.deduct-items{display:flex;flex-wrap:wrap;gap:6px}
.deduct-item{background:var(--ded);color:var(--ded-ink);border-radius:7px;padding:3px 9px;font-size:.85rem;font-weight:600}
.deduct-item em{font-style:normal;opacity:.85;font-size:.8rem}
.deduct-none{color:#2e7d46;font-size:.88rem;font-weight:600}

/* 채점 기준 — 과제별 구분 */
.crit-type+.crit-type{margin-top:12px;padding-top:14px;border-top:2px solid var(--line)}
.crit-type-h{margin:8px 0 8px;font-size:1.02rem;color:var(--accent)}

/* 채점 동의 — 전송/취소 */
.ack-row{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.ack-submit{margin-top:12px;padding:10px 20px;border:0;border-radius:9px;background:var(--accent);
  color:#fff;font-weight:700;font-size:.92rem}
.ack-submit:disabled{opacity:.45;cursor:default}
.ack-cancel{font-size:.84rem;padding:6px 12px;white-space:nowrap}

/* 결과 헤더 */
.result-head{display:flex;justify-content:space-between;align-items:flex-end;
  margin:8px 4px 18px;gap:12px}
.who{font-size:.82rem;color:var(--sub)}
.cls{margin:2px 0 0;font-size:1.15rem}
.ghost{background:none;border:1px solid var(--line);border-radius:9px;
  padding:8px 14px;color:var(--sub)}

/* 탭 */
.tabs{display:flex;gap:8px;margin:0 0 16px}
.tab{padding:9px 18px;border:1px solid var(--line);background:#fff;border-radius:999px;
  font-weight:600;color:var(--sub)}
.tab.active{background:var(--ink);border-color:var(--ink);color:#fff}

/* 패널 */
.panel{display:none}
.panel.active{display:block}
.score-head{display:flex;align-items:center;gap:18px;background:var(--card);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px;margin-bottom:14px}
.total .num{font-size:2.6rem;font-weight:800;letter-spacing:-1px}
.total .den{color:var(--sub);margin-left:4px}
.meta .title{margin:0;font-weight:700}
.meta .type{margin:2px 0 0;color:var(--sub);font-size:.85rem}

/* 영역 카드 */
.area{background:var(--card);border-radius:14px;box-shadow:var(--shadow);
  padding:18px 20px;margin-bottom:12px}
.area-top{display:flex;justify-content:space-between;align-items:baseline}
.area-name{font-weight:700}
.area-score{font-weight:800}
.area-score em{color:var(--sub);font-style:normal;font-weight:500;font-size:.85rem}
.bar{height:7px;background:#eef0f3;border-radius:99px;overflow:hidden;margin:10px 0 14px}
.bar>span{display:block;height:100%;background:var(--accent);border-radius:99px}
.fb{margin:8px 0 0;font-size:.92rem;padding:11px 13px;border-radius:10px}
.fb b{display:block;font-size:.78rem;margin-bottom:3px;letter-spacing:.02em}
.fb.good{background:var(--good)}.fb.good b{color:var(--good-ink)}
.fb.ded{background:var(--ded)}.fb.ded b{color:var(--ded-ink)}

/* 종합평가 */
.jonghap{background:var(--card);border-radius:14px;box-shadow:var(--shadow);
  padding:18px 22px;margin:14px 0}
.jonghap h3{margin:0 0 8px;font-size:1rem}
.jonghap p{margin:0;font-size:.95rem}

/* 원고 */
.manuscript{background:var(--card);border-radius:14px;box-shadow:var(--shadow);
  padding:4px 22px;margin-bottom:14px}
.manuscript summary{cursor:pointer;padding:16px 0;font-weight:700;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.manuscript summary::-webkit-details-marker{display:none}
.legend{font-weight:500;font-size:.78rem;color:var(--sub);display:inline-flex;
  align-items:center;gap:6px}
.legend i{display:inline-block;width:13px;height:13px;border-radius:3px;vertical-align:middle}
.legend i+i{margin-left:8px}
.ms-body{padding:4px 0 20px;font-size:.95rem;color:#333}
.ms-body p{margin:0 0 12px}
.hl-g{background:var(--good)}
.hl-y{background:var(--ded)}
.empty,.title{color:var(--sub)}
.empty{text-align:center;padding:40px}

@media(max-width:480px){
  .total .num{font-size:2.1rem}
  .score-head{padding:18px}
}

/* ===================== 개선 예시 (파란 글씨) ===================== */
.fb.example{background:#e8f0fb}
.fb.example b{color:#1f4e79}

/* ===================== 개인 문의 (학생) ===================== */
.inq-sec{background:var(--card);border-radius:14px;box-shadow:var(--shadow);padding:20px 22px;margin-top:18px}
.inq-head{display:flex;justify-content:space-between;align-items:center}
.inq-head h3{margin:0;font-size:1.05rem}
.inq-new{background:var(--accent);color:#fff;border:0;border-radius:9px;padding:8px 14px;font-weight:700;font-size:.85rem}
.inq-desc{margin:6px 0 14px;color:var(--sub);font-size:.85rem}
.inq-form{border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px;background:#fafbfc}
.inq-form label{display:block;font-size:.82rem;color:var(--sub);font-weight:600;margin-bottom:12px}
.inq-form select,.inq-form input,.inq-form textarea{display:block;width:100%;margin-top:6px;padding:10px 12px;
  border:1px solid var(--line);border-radius:9px;font:inherit;background:#fff}
.inq-form textarea{resize:vertical}
.inq-form-btns{display:flex;gap:8px;justify-content:flex-end}
#sendInqBtn{background:var(--accent);color:#fff;border:0;border-radius:9px;padding:9px 18px;font-weight:700}
.inq-empty{color:var(--sub);text-align:center;padding:20px;font-size:.9rem}

.inq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
.inq-item summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px;padding:14px 16px;font-weight:600}
.inq-item summary::-webkit-details-marker{display:none}
.inq-subj{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.inq-tag{font-size:.72rem;color:var(--sub);background:#f0f2f5;border-radius:6px;padding:2px 8px;font-weight:600;flex-shrink:0}
.inq-badge{font-size:.72rem;border-radius:999px;padding:3px 10px;font-weight:700;flex-shrink:0}
.st-open{background:#fdecea;color:#c0392b}
.st-answered{background:#e7f4ea;color:#2e7d46}
.st-closed{background:#eceff1;color:#78909c}

.inq-thread{padding:6px 16px 16px;border-top:1px solid var(--line);background:#fafbfc}
.msg{margin:12px 0;display:flex;flex-direction:column;max-width:85%}
.msg.student{margin-left:auto;align-items:flex-end}
.msg.teacher{margin-right:auto;align-items:flex-start}
.bubble{padding:10px 14px;border-radius:14px;font-size:.92rem;white-space:pre-wrap;word-break:break-word}
.msg.student .bubble{background:#e9edf3;border-bottom-right-radius:4px}
.msg.teacher .bubble{background:var(--accent);color:#fff;border-bottom-left-radius:4px}
.msg-meta{font-size:.72rem;color:var(--sub);margin-top:4px}
.reply-form{display:flex;gap:8px;margin-top:12px}
.reply-form textarea{flex:1;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font:inherit;resize:vertical;background:#fff}
.reply-form button{background:var(--accent);color:#fff;border:0;border-radius:9px;padding:0 16px;font-weight:700;font-size:.85rem;white-space:nowrap}
.inq-closed-note{color:var(--sub);font-size:.82rem;text-align:center;margin:12px 0 4px}

/* ===================== 관리자 화면 ===================== */
.admin-login{max-width:380px}
.admin-wrap{max-width:1040px}
.admin-head{display:flex;justify-content:space-between;align-items:center;margin:8px 4px 18px}
.admin-head h1{font-size:1.2rem;margin:0}
.admin-layout{display:grid;grid-template-columns:340px 1fr;gap:16px;align-items:start}
.admin-filters{display:flex;gap:6px;margin-bottom:12px}
.admin-filters button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;font-size:.82rem;font-weight:600;color:var(--sub);cursor:pointer}
.admin-filters button.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.adm-list{display:flex;flex-direction:column;gap:8px;max-height:72vh;overflow:auto}
.adm-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 15px;cursor:pointer;box-shadow:var(--shadow)}
.adm-card.active{border-color:var(--accent);box-shadow:0 0 0 2px rgba(47,109,240,.15)}
.adm-card .row1{display:flex;justify-content:space-between;align-items:center;gap:8px}
.adm-who{font-weight:700;font-size:.9rem}
.adm-card .subj{margin:5px 0 0;font-size:.88rem;color:#333;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.adm-card .cmeta{margin:5px 0 0;font-size:.74rem;color:var(--sub)}
.adm-detail{background:var(--card);border-radius:14px;box-shadow:var(--shadow);padding:20px 22px;min-height:320px;position:sticky;top:16px}
.adm-detail .d-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:6px}
.adm-detail .d-who{font-weight:700}
.adm-detail .d-subj{margin:4px 0 0;color:#333;font-size:.95rem}
.adm-actions{display:flex;gap:6px;flex-shrink:0}
.adm-actions button{font-size:.76rem;border:1px solid var(--line);background:#fff;border-radius:8px;padding:5px 10px;color:var(--sub);cursor:pointer}
.adm-thread{max-height:46vh;overflow:auto;padding:10px 2px}
.reply-box{margin-top:12px;display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--line);padding-top:14px}
.reply-box textarea{padding:11px 13px;border:1px solid var(--line);border-radius:10px;font:inherit;resize:vertical;background:#fafbfc}
.reply-box button{align-self:flex-end;background:var(--accent);color:#fff;border:0;border-radius:9px;padding:10px 22px;font-weight:700;cursor:pointer}
.adm-empty{color:var(--sub);text-align:center;padding:90px 20px}
@media(max-width:760px){ .admin-layout{grid-template-columns:1fr} .adm-detail{position:static} }

/* ===================== 하이라이트 클릭 + 피드백 모달 ===================== */
.hl-g.clickable,.hl-y.clickable{cursor:pointer;border-radius:3px;transition:filter .1s}
.hl-g.clickable:hover,.hl-y.clickable:hover{filter:brightness(.92);text-decoration:underline}
.ms-panel .empty{padding:24px}
.hl-modal{position:fixed;inset:0;background:rgba(20,30,50,.45);display:none;align-items:center;justify-content:center;padding:20px;z-index:100}
.hl-modal.show{display:flex}
.hl-modal-box{background:#fff;border-radius:16px;max-width:460px;width:100%;max-height:80vh;overflow:auto;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.hl-modal-head{padding:16px 20px;font-weight:800;font-size:1rem;border-radius:16px 16px 0 0}
.hl-modal-head.good{background:var(--good);color:var(--good-ink)}
.hl-modal-head.ded{background:var(--ded);color:var(--ded-ink)}
.hl-modal-body{padding:16px 20px}
.hlfb-item{margin:0 0 10px;font-size:.93rem;padding:10px 12px;background:#f7f8fa;border-radius:9px;white-space:pre-wrap}
.hl-modal-close{display:block;width:calc(100% - 40px);margin:4px 20px 18px;padding:11px;border:0;border-radius:10px;background:var(--ink);color:#fff;font-weight:700;cursor:pointer}

/* ===================== 열람·동의 ===================== */
.ack-box{margin:14px 0 4px;padding:14px 16px;border-radius:12px;background:#f0f4ff;border:1px solid #d6e0fb}
.ack-todo{display:flex;align-items:flex-start;gap:10px;cursor:pointer;font-size:.92rem;font-weight:600;color:var(--ink)}
.ack-todo input{width:18px;height:18px;margin-top:1px;flex-shrink:0;cursor:pointer}
.ack-done{color:#2e7d46;font-weight:700;font-size:.92rem}
.ack-updated{margin:8px 0 0;padding:8px 10px;border-radius:8px;background:#fff4e0;border:1px solid #f3d39b;color:#a35b00;font-size:.86rem;font-weight:600;line-height:1.5}
.updated-badge{display:inline-block;margin-left:6px;padding:1px 7px;border-radius:999px;background:#ffe1b3;color:#a35b00;font-size:.72rem;font-weight:700;vertical-align:middle}

/* ===================== 관리자: 상단 탭 + 학생 관리 ===================== */
.admin-tabs{display:flex;gap:8px;margin:0 0 16px}
.admin-tabs .atab{padding:9px 18px;border:1px solid var(--line);background:#fff;border-radius:999px;font-weight:600;color:var(--sub);cursor:pointer}
.admin-tabs .atab.active{background:var(--ink);border-color:var(--ink);color:#fff}
.admin-view{display:none}
.admin-view.active{display:block}

.stu-toolbar{display:flex;gap:10px;align-items:center;margin-bottom:12px;flex-wrap:wrap}
.stu-toolbar input{padding:8px 12px;border:1px solid var(--line);border-radius:9px;font:inherit;min-width:200px}
.stu-stat{font-size:.85rem;color:var(--sub)}
.stu-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.stu-table th,.stu-table td{padding:11px 14px;text-align:left;font-size:.88rem;border-bottom:1px solid var(--line)}
.stu-table th{background:#f7f8fa;font-weight:700;color:var(--sub)}
.stu-table tr:last-child td{border-bottom:0}
.stu-table tbody tr:hover td{background:#fafbff}
.stu-name{font-weight:700;cursor:pointer;color:var(--accent)}
.stu-name:hover{text-decoration:underline}
.stu-score{font-weight:700}
.ack-yes{color:#2e7d46;font-weight:700}
.ack-no{color:#b0b6c0}
.ack-stale{display:inline-block;padding:0 6px;border-radius:999px;background:#ffe1b3;color:#a35b00;font-size:.72rem;font-weight:700}
.adm-who{font-size:.92rem;font-weight:600;color:var(--sub)}
.admin-head-btns{display:flex;gap:8px}
.pw-modal-box{max-width:400px}
.pw-form{padding:16px 18px 20px}
.pw-form label{display:block;margin-bottom:12px;font-size:.9rem;font-weight:600;color:var(--ink)}
.pw-form>button{width:100%;margin-top:4px;padding:12px;background:var(--accent);color:#fff;border:0;border-radius:10px;font-weight:700;font-size:1rem;cursor:pointer}
.pw-form>button:disabled{opacity:.6}

.stu-modal{position:fixed;inset:0;background:rgba(20,30,50,.5);display:none;align-items:flex-start;justify-content:center;padding:30px 16px;z-index:90;overflow:auto}
.stu-modal.show{display:flex}
.stu-modal-box{background:var(--bg);border-radius:16px;max-width:780px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.stu-modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:#fff;border-radius:16px 16px 0 0;position:sticky;top:0;z-index:1}
.stu-modal-head h2{margin:0;font-size:1.05rem}
.stu-modal-body{padding:18px 20px}