/* ============================================================
   Math Wizard 선생님 도구 전용 스타일 (게임 base.css와 무관)
   일반 문서 페이지: 세로 스크롤 OK, 클래스 접두사 ed-
   ============================================================ */
:root {
  --ed-bg: #f2f5fa;
  --ed-card: #ffffff;
  --ed-line: #dde4ee;
  --ed-text: #2f3546;
  --ed-soft: #6b7386;
  --ed-accent: #4f6df5;
  --ed-accent-soft: #eef1fe;
  --ed-good: #2fa96e;
  --ed-warn-bg: #fff7dd;
  --ed-warn-line: #eed27a;
  --ed-warn-text: #8a6d1a;
  --ed-bad: #d64545;
  --ed-radius: 12px;
  --ed-shadow: 0 2px 10px rgba(40, 60, 110, 0.08);
  --ed-font: 'Malgun Gothic', '맑은 고딕', 'Apple SD Gothic Neo', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { background: var(--ed-bg); }
body {
  font-family: var(--ed-font);
  color: var(--ed-text);
  background: var(--ed-bg);
  min-height: 100vh;
  padding-bottom: 92px; /* 하단 저장 바 공간 */
}

button { font-family: var(--ed-font); cursor: pointer; }
input, select, textarea { font-family: var(--ed-font); color: var(--ed-text); }

/* ===== 비밀번호 게이트 ===== */
#ed-gate {
  position: fixed; inset: 0; z-index: 1000;
  background: linear-gradient(160deg, #43509e 0%, #6a79d8 100%);
  display: flex; align-items: center; justify-content: center;
}
#ed-gate[hidden] { display: none; }
.ed-gate-card {
  background: #fff; border-radius: 18px; box-shadow: 0 10px 40px rgba(20,30,80,0.35);
  width: 400px; max-width: 92vw; padding: 34px 36px 26px; text-align: center;
}
.ed-gate-emoji { font-size: 52px; }
.ed-gate-card h1 { font-size: 22px; margin: 8px 0 4px; }
.ed-gate-card p { color: var(--ed-soft); font-size: 15px; margin-bottom: 16px; }
#ed-gate-form { display: flex; gap: 8px; }
#ed-gate-pw {
  flex: 1; font-size: 18px; padding: 10px 14px;
  border: 2px solid var(--ed-line); border-radius: 10px; outline: none;
}
#ed-gate-pw:focus { border-color: var(--ed-accent); }
#ed-gate-form button {
  font-size: 16px; padding: 10px 18px; border: none; border-radius: 10px;
  background: var(--ed-accent); color: #fff;
}
#ed-gate-form button:hover { filter: brightness(1.08); }
.ed-gate-error {
  margin-top: 12px; background: #ffecec; border: 1px solid #ffc9c9;
  color: var(--ed-bad); border-radius: 8px; padding: 8px 10px; font-size: 14px;
}
.ed-gate-hint {
  margin-top: 14px; background: var(--ed-accent-soft); border-radius: 8px;
  padding: 9px 10px; font-size: 13px; color: #4c5aa8; line-height: 1.6;
}

/* ===== 헤더 ===== */
.ed-header {
  background: #fff; border-bottom: 1px solid var(--ed-line);
  padding: 18px 28px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.ed-header-title { font-size: 22px; font-weight: 700; }
.ed-header-desc { font-size: 13px; color: var(--ed-soft); flex: 1; min-width: 240px; }
.ed-header-game {
  font-size: 15px; text-decoration: none; color: var(--ed-accent);
  border: 2px solid var(--ed-accent); border-radius: 999px; padding: 7px 16px;
  white-space: nowrap;
}
.ed-header-game:hover { background: var(--ed-accent-soft); }

/* ===== 탭 ===== */
.ed-tabs {
  display: flex; gap: 6px; padding: 12px 28px 0;
  background: #fff; border-bottom: 1px solid var(--ed-line);
  overflow-x: auto;
}
.ed-tab-btn {
  font-size: 15px; padding: 11px 18px; border: none; background: none;
  border-radius: 10px 10px 0 0; color: var(--ed-soft); white-space: nowrap;
  border-bottom: 3px solid transparent;
}
.ed-tab-btn:hover { background: var(--ed-accent-soft); }
.ed-tab-btn.active { color: var(--ed-accent); font-weight: 700; border-bottom-color: var(--ed-accent); }

#ed-main { padding: 22px 28px; max-width: 1400px; margin: 0 auto; }
.ed-tab { display: none; }
.ed-tab.active { display: block; }

/* ===== 공용 조각 ===== */
.ed-card {
  background: var(--ed-card); border: 1px solid var(--ed-line);
  border-radius: var(--ed-radius); box-shadow: var(--ed-shadow);
  padding: 18px 20px; margin-bottom: 16px;
}
.ed-card h2 { font-size: 17px; margin-bottom: 4px; }
.ed-card h3 { font-size: 15px; margin: 14px 0 6px; }
.ed-help { font-size: 13px; color: var(--ed-soft); line-height: 1.6; margin-bottom: 10px; }
.ed-note {
  display: inline-block; background: var(--ed-accent-soft); color: #4c5aa8;
  font-size: 12.5px; border-radius: 8px; padding: 5px 10px; margin-top: 6px; line-height: 1.5;
}
.ed-warnbox {
  background: var(--ed-warn-bg); border: 1px solid var(--ed-warn-line); color: var(--ed-warn-text);
  font-size: 13px; border-radius: 8px; padding: 7px 10px; margin-top: 6px; line-height: 1.5;
}

.ed-btn {
  font-size: 14px; padding: 9px 16px; border-radius: 9px;
  border: 1px solid var(--ed-line); background: #fff; color: var(--ed-text);
}
.ed-btn:hover { background: var(--ed-accent-soft); border-color: var(--ed-accent); }
.ed-btn-save { background: var(--ed-accent); border-color: var(--ed-accent); color: #fff; font-weight: 700; }
.ed-btn-save:hover { background: #3f5be0; color: #fff; }
.ed-btn-add { border-style: dashed; color: var(--ed-accent); width: 100%; margin-top: 8px; }
.ed-btn-mini {
  font-size: 12.5px; padding: 4px 9px; border-radius: 7px;
  border: 1px solid var(--ed-line); background: #fff;
}
.ed-btn-mini:hover { border-color: var(--ed-accent); color: var(--ed-accent); }
.ed-btn-mini.ed-danger:hover { border-color: var(--ed-bad); color: var(--ed-bad); }

.ed-field { margin-bottom: 12px; }
.ed-field > label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 5px; }
.ed-field .ed-sub { font-weight: 400; color: var(--ed-soft); font-size: 12.5px; }
.ed-input, .ed-select {
  font-size: 15px; padding: 8px 10px; border: 2px solid var(--ed-line);
  border-radius: 8px; outline: none; background: #fff; width: 100%;
}
.ed-input:focus, .ed-select:focus { border-color: var(--ed-accent); }
.ed-input-num { width: 110px; }
.ed-input-short { width: 74px; }
.ed-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; }
.ed-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }

/* 상태 배지 (기본값/브라우저/파일) */
.ed-src-badge {
  display: inline-block; font-size: 12px; border-radius: 999px; padding: 3px 10px;
  background: #eef2f8; color: var(--ed-soft); margin-left: 8px; vertical-align: middle;
}
.ed-src-badge.ed-src-local { background: var(--ed-warn-bg); color: var(--ed-warn-text); }

/* ===== 하단 저장 바 ===== */
.ed-savebar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 500;
  background: #fff; border-top: 2px solid var(--ed-line);
  box-shadow: 0 -4px 14px rgba(40,60,110,0.08);
  padding: 14px 28px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.ed-status { flex: 1; font-size: 13.5px; color: var(--ed-soft); min-width: 220px; line-height: 1.5; }
.ed-status.ed-status-good { color: var(--ed-good); font-weight: 700; }
.ed-status.ed-status-warn { color: var(--ed-warn-text); font-weight: 700; }
.ed-status.ed-status-bad { color: var(--ed-bad); font-weight: 700; }
.ed-savebar-btns { display: flex; gap: 8px; flex-wrap: wrap; }

/* ===== ① 스테이지 탭 ===== */
.ed-stage-wrap { display: grid; grid-template-columns: 330px 1fr; gap: 16px; align-items: start; }
.ed-stage-list { list-style: none; }
.ed-stage-item {
  display: flex; align-items: center; gap: 8px;
  border: 2px solid var(--ed-line); border-radius: 10px;
  padding: 9px 10px; margin-bottom: 8px; cursor: pointer; background: #fff;
}
.ed-stage-item:hover { border-color: #b9c6f8; }
.ed-stage-item.selected { border-color: var(--ed-accent); background: var(--ed-accent-soft); }
.ed-stage-item .ed-stage-order {
  background: var(--ed-accent); color: #fff; font-size: 12.5px; font-weight: 700;
  border-radius: 999px; min-width: 24px; height: 24px;
  display: inline-flex; align-items: center; justify-content: center;
}
.ed-stage-item .ed-stage-name { flex: 1; font-size: 14.5px; font-weight: 700; }
.ed-stage-item .ed-stage-stars { font-size: 12px; color: #f0a92e; display: block; }
.ed-stage-item .ed-stage-ctl { display: flex; gap: 4px; }

.ed-starpick { display: inline-flex; gap: 3px; font-size: 26px; cursor: pointer; user-select: none; }
.ed-starpick span { color: #d8dce6; transition: color 0.1s, transform 0.1s; }
.ed-starpick span.on { color: #f0a92e; }
.ed-starpick span:hover { transform: scale(1.15); }

.ed-checks { display: flex; flex-wrap: wrap; gap: 8px; }
.ed-check {
  display: inline-flex; align-items: center; gap: 6px; font-size: 14px;
  border: 2px solid var(--ed-line); border-radius: 999px; padding: 7px 14px;
  cursor: pointer; background: #fff; user-select: none;
}
.ed-check input { accent-color: var(--ed-accent); width: 16px; height: 16px; cursor: pointer; }
.ed-check.on { border-color: var(--ed-accent); background: var(--ed-accent-soft); }

.ed-mrow { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
.ed-mrow .ed-select { width: 220px; }
.ed-mrow label { font-size: 13px; color: var(--ed-soft); }

/* ----- 교과 차시 선택기 / 미리보기 ----- */
.ed-subhead { font-size: 15px; font-weight: 700; color: #55607a; margin: 14px 0 6px; }
.ed-cur-bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.ed-pv-lsel { max-width: 420px; }
.ed-cur-units {
  max-height: 300px; overflow-y: auto;
  border: 2px solid var(--ed-line); border-radius: 10px;
  padding: 8px 12px;
  background: #fbfcfe;
}
.ed-cur-unit { margin-bottom: 8px; }
.ed-cur-unit-head { display: block; font-size: 14.5px; cursor: pointer; padding: 4px 0; }
.ed-cur-unit-head input { margin-right: 6px; }
.ed-cur-lessons { display: flex; flex-direction: column; gap: 2px; padding-left: 22px; }
.ed-cur-lesson {
  display: block; font-size: 13.5px; cursor: pointer;
  padding: 3px 6px; border-radius: 6px;
}
.ed-cur-lesson:hover { background: #eef3fb; }
.ed-cur-lesson.on { background: #e8f1ff; }
.ed-cur-lesson input { margin-right: 6px; }
.ed-cur-no { display: inline-block; min-width: 38px; color: #8a93a8; font-size: 12px; }
.ed-cur-selected { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; min-height: 30px; }
.ed-cur-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: #e8f1ff; border: 1px solid #b9d4f5; border-radius: 999px;
  padding: 3px 6px 3px 12px; font-size: 13px;
  color: #2b5c9e;
}
.ed-cur-chip-x {
  border: none; background: #cfe0f5;
  color: #385f92; border-radius: 50%;
  width: 18px; height: 18px; font-size: 11px; line-height: 1;
  cursor: pointer; padding: 0;
}
.ed-cur-chip-x:hover { background: #ffd2d2; color: #b03030; }
.ed-preset { margin-top: 14px; border-top: 2px dashed var(--ed-line); padding-top: 10px; }
.ed-preset-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 6px; }
.ed-pv-box { display: flex; flex-direction: column; gap: 6px; }
.ed-pv-goal { font-size: 13.5px; color: #55607a; margin-bottom: 4px; }
.ed-pv-row {
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  background: #fbfcfe; border: 1px solid var(--ed-line); border-radius: 8px;
  padding: 7px 12px; font-size: 14.5px;
}
.ed-pv-a { color: #2b8a4d; font-weight: 700; }

/* ===== ② 문제 탭 ===== */
.ed-prob-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 16px; }
.ed-prob-card { margin-bottom: 0; }
.ed-prob-kind {
  display: inline-block; font-size: 12px; font-weight: 700; color: #fff;
  border-radius: 999px; padding: 3px 10px; margin-left: 6px; vertical-align: middle;
}
.ed-kind-add { background: #4f9df0; }
.ed-kind-sub { background: #f08a4f; }
.ed-kind-mul { background: #9a6df0; }
.ed-kind-custom { background: #3fae7d; }
.ed-prob-ranges { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; margin-top: 10px; }
.ed-range-pair { display: flex; align-items: center; gap: 6px; }
.ed-range-pair .ed-input { width: 84px; }
.ed-samples { margin-top: 12px; display: flex; gap: 8px; flex-wrap: wrap; }
.ed-sample-chip {
  background: var(--ed-accent-soft); color: #3c4d9e; font-size: 14.5px; font-weight: 700;
  border-radius: 8px; padding: 7px 12px;
}
.ed-custom-row { display: flex; gap: 8px; align-items: center; margin-bottom: 7px; }
.ed-custom-row .ed-q { flex: 1; }
.ed-custom-row .ed-a { width: 92px; }

/* ===== ③ 몬스터·아이템 탭 ===== */
.ed-table-scroll { overflow-x: auto; }
.ed-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.ed-table th {
  font-size: 12.5px; color: var(--ed-soft); font-weight: 700; text-align: left;
  padding: 6px 8px; border-bottom: 2px solid var(--ed-line); white-space: nowrap;
}
.ed-table td { padding: 6px 6px; border-bottom: 1px solid var(--ed-line); vertical-align: middle; }
.ed-table .ed-input, .ed-table .ed-select { font-size: 14px; padding: 6px 8px; }
.ed-table .ed-cell-emoji { width: 64px; }
.ed-table .ed-cell-emoji .ed-input { width: 58px; text-align: center; font-size: 18px; }
.ed-table .ed-cell-sprite { white-space: nowrap; }
.ed-table .ed-cell-sprite .ed-input { min-width: 170px; font-size: 12.5px; }
.ed-spr-prev {
  width: 22px; height: 22px;
  object-fit: contain;
  vertical-align: middle;
  margin-left: 4px;
}
.ed-input-path { min-width: 260px; font-size: 13px; }
.ed-table .ed-cell-id { font-size: 12px; color: var(--ed-soft); white-space: nowrap; }
.ed-table .ed-cell-num .ed-input { width: 78px; }
.ed-table .ed-cell-name .ed-input { min-width: 130px; }
.ed-table .ed-cell-desc .ed-input { min-width: 190px; }
td.ed-rarity-common .ed-select { background: #eef1f5; border-color: #8d99ae; }
td.ed-rarity-rare .ed-select { background: #e8f1ff; border-color: #3f8efc; }
td.ed-rarity-epic .ed-select { background: #f6eaff; border-color: #b04ae2; }

/* ===== ④ 게임 설정 탭 ===== */
.ed-cfg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(400px, 1fr)); gap: 16px; align-items: start; }
.ed-cfg-grid .ed-card { margin-bottom: 0; }
.ed-class-row { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
.ed-cls-auto { display: inline-flex; align-items: center; gap: 5px; font-size: 13.5px; color: #55607a; white-space: nowrap; }
.ed-cls-auto-off { opacity: 0.45; }
.ed-btn-test {
  margin-left: 10px;
  vertical-align: middle;
  font-size: 13.5px;
  padding: 6px 12px;
  background: #7a3ed2;
  border-color: #7a3ed2;
  color: #fff;
}
.ed-btn-test:hover { background: #6a33bd; }
.ed-odds-sum { font-size: 14px; font-weight: 700; margin-top: 8px; }
.ed-odds-sum.ok { color: var(--ed-good); }

@media (max-width: 900px) {
  .ed-stage-wrap { grid-template-columns: 1fr; }
  .ed-grid2 { grid-template-columns: 1fr; }
}

/* ============================================================
   📈 학급 현황 (dashboard.js)
   ============================================================ */
.dash-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 8px;
}
.dash-bar label { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; }
.dash-status { font-size: 13.5px; color: #55607a; margin-bottom: 10px; }
.dash-table { width: 100%; }
.dash-row { cursor: pointer; }
.dash-row:hover td { background: #f4f0ff; }
.dash-row-on td { background: #ece4ff !important; }
.dash-src { font-size: 12px; color: #8a93a8; }

.dash-group { margin-bottom: 14px; }
.dash-group-title {
  font-size: 13.5px; font-weight: 700; color: #6a5aa8;
  background: #f2eeff; border-radius: 8px;
  padding: 4px 10px; margin-bottom: 6px;
}
.dash-type {
  display: flex; align-items: center; gap: 10px;
  padding: 3px 4px; font-size: 14px;
}
.dash-type-name { flex: 0 0 40%; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dash-type-meter {
  flex: 1; height: 12px; border-radius: 6px;
  background: #eee7d8; overflow: hidden;
}
.dash-type-meter i { display: block; height: 100%; border-radius: 6px; background: #9b8cf0; }
.dash-good .dash-type-meter i { background: #57c96b; }
.dash-mid  .dash-type-meter i { background: #f2b93b; }
.dash-low  .dash-type-meter i { background: #f26d6d; }
.dash-dim { opacity: 0.5; }
.dash-type-num { flex: 0 0 auto; font-size: 12.5px; color: #55607a; white-space: nowrap; }

.dash-weak {
  background: #fff6e8; border: 2px solid #f2d9a8; border-radius: 10px;
  padding: 10px 14px; margin-bottom: 12px; font-size: 14.5px;
}
.dash-weak ol { margin: 6px 0 4px 20px; }
.dash-weak-ok { background: #ecfbef; border-color: #bfe8c8; }

/* ============================================================
   온라인 교사 콘솔 (online-teacher.js)
   ============================================================ */
#edo-header {
  display: flex; align-items: center; gap: 10px;
  margin-left: auto;
  flex-wrap: wrap;
}
.edo-badge {
  background: #2f9e63; color: #fff;
  font-size: 12.5px; border-radius: 999px;
  padding: 3px 10px;
}
.edo-teacher { font-size: 14px; color: #3c3357; }
.edo-class { font-size: 14px; font-weight: 700; color: #5a41b0; }
.ed-btn-mini2 { padding: 5px 12px; font-size: 13px; }

.edo-joincode { font-size: 17px; margin-bottom: 10px; }
.edo-joincode b {
  background: #f2eeff; color: #5a41b0;
  border: 2px dashed #b9a7ee; border-radius: 10px;
  padding: 3px 14px; letter-spacing: 3px; font-size: 21px;
}
.edo-selfjoin { display: block; font-size: 14.5px; }
.edo-selfjoin .ed-sub { display: block; margin-left: 24px; }
.edo-add-row { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.edo-add-row .ed-input { width: 180px; }

/* 게이트 폼 공용 (기존 스타일 재사용, 입력 여러 개 지원) */
#ed-gate form input { margin-bottom: 8px; }

/* ============================================================
   운영자 콘솔 (admin.html)
   ============================================================ */
.ad-main {
  max-width: 1100px; margin: 0 auto;
  padding: 18px 20px 90px;
  display: flex; flex-direction: column; gap: 16px;
}
.ad-chips { display: flex; gap: 10px; flex-wrap: wrap; }
.ad-chip {
  background: #f2eeff; border: 2px solid #d8ccf5;
  border-radius: 999px; padding: 7px 16px; font-size: 15px;
}
.ad-chip b { color: #5a41b0; }
.ad-chip-warn { background: #fff2dc; border-color: #f2cf8e; }
.ad-chip-warn b { color: #b06a00; }

.ad-class {
  border: 2px solid #e6e0f2; border-radius: 12px;
  padding: 12px 14px; margin-top: 10px;
}
.ad-class-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.ad-class-head > b { font-size: 17px; }
.ad-class-head .ed-btn-mini { margin-left: auto; }
.edo-joincode-mini b {
  background: #f2eeff; color: #5a41b0;
  border: 1px dashed #b9a7ee; border-radius: 8px;
  padding: 1px 10px; letter-spacing: 2px;
}
.ad-class-teachers {
  margin-top: 8px; font-size: 14px;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.ad-teacher-chip {
  background: #eef7ee; border: 1px solid #bfe0bf;
  border-radius: 999px; padding: 3px 4px 3px 12px;
}
.ad-x {
  border: none; background: none; cursor: pointer;
  color: #b05050; font-size: 12px; padding: 2px 6px;
}
.ad-assign-input { width: 200px; }
#ad-gate {
  position: fixed; inset: 0; z-index: 100;
  background: #2f2a44;
  display: flex; align-items: center; justify-content: center;
}
#ad-gate[hidden] { display: none; }
#ad-gate .ed-gate-card input { margin-bottom: 8px; }
.ed-cls-rank { display: block; margin-top: 12px; font-size: 14.5px; }
.ed-cls-rank .ed-sub { display: block; margin-left: 24px; }