/* ============================================================
   teacher-game.css — 교사창 대시보드 확장 스타일
   (styles.css 변수를 재사용, 새 UI만 선언)
   ============================================================ */

/* ── 학생 화면 반 비교 설정 세그먼트 컨트롤 ─────────────── */
.compare-mode-control {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  padding: 10px 14px;
  background: var(--panel);
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(29, 50, 44, 0.07);
}

.compare-mode-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.03em;
  white-space: nowrap;
  flex-shrink: 0;
}

.compare-mode-segment {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  padding: 3px;
  gap: 2px;
  border: 1px solid rgba(216, 226, 222, 0.18);
}

.compare-mode-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
  white-space: nowrap;
  line-height: 1.4;
  box-shadow: none;
}

.compare-mode-btn:hover:not(:disabled):not(.active) {
  background: rgba(47, 157, 104, 0.12);
  color: var(--ink);
  transform: none;
}

.compare-mode-btn.active {
  background: var(--green, #2f9d68);
  color: #fff;
  box-shadow: 0 2px 8px rgba(47, 157, 104, 0.35);
}

.compare-mode-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.compare-mode-toast {
  font-size: 12px;
  font-weight: 700;
  color: var(--green, #2f9d68);
  opacity: 0;
  transition: opacity 0.2s ease;
  min-width: 72px;
  white-space: nowrap;
}

.compare-mode-toast.visible {
  opacity: 1;
}

.compare-mode-toast.error {
  color: #e03131;
}

/* ── 학급 통계 카드 영역 ─────────────────────────────────── */
#teacher-stats-area {
  margin: 0 0 20px 0;
}

.teacher-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

@media (max-width: 900px) {
  .teacher-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .teacher-stats-grid {
    grid-template-columns: 1fr;
  }
}

.tstat-card {
  background: var(--panel);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: 0 2px 10px rgba(29, 50, 44, 0.07);
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.tstat-card .tstat-label {
  font-size: 11px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.tstat-card .tstat-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.1;
}

.tstat-card .tstat-sub {
  font-size: 12px;
  color: var(--muted);
}

.tstat-card.accent-green .tstat-value { color: var(--green); }
.tstat-card.accent-blue  .tstat-value { color: var(--blue); }
.tstat-card.accent-yellow .tstat-value { color: #c07800; }

/* ── 반 평균 레이더 패널 ────────────────────────────────── */
.teacher-radar-panel {
  background: var(--panel);
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: 0 2px 10px rgba(29, 50, 44, 0.07);
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.teacher-radar-panel h3 {
  margin: 0 0 8px 0;
  font-size: 13px;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.02em;
}

#teacher-radar-canvas {
  display: block;
  max-width: 220px;
  max-height: 220px;
}

.teacher-radar-legend {
  flex: 1;
  min-width: 160px;
}

.teacher-radar-legend h3 {
  font-size: 14px;
  color: var(--ink);
}

.teacher-radar-parts {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}

.teacher-radar-part-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.teacher-radar-part-row .part-name {
  width: 72px;
  color: var(--muted);
  font-weight: 600;
  flex-shrink: 0;
}

.teacher-radar-part-row .part-bar-wrap {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  overflow: hidden;
}

.teacher-radar-part-row .part-bar-fill {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: var(--green);
  transition: width 0.3s ease;
}

.teacher-radar-part-row .part-score {
  width: 36px;
  text-align: right;
  font-weight: 700;
  color: var(--ink);
}

/* ── 랭킹 테이블 ────────────────────────────────────────── */
#teacher-ranking-area {
  margin: 0 0 20px 0;
}

#teacher-ranking-area h2 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 10px 0;
  color: var(--ink);
}

.teacher-ranking-table-wrap {
  overflow-x: auto;
  background: var(--panel);
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(29, 50, 44, 0.07);
}

.teacher-ranking-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.teacher-ranking-table th {
  padding: 10px 12px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line, #d8e2de);
  white-space: nowrap;
  background: rgba(47, 157, 104, 0.04);
}

.teacher-ranking-table th.sortable {
  cursor: pointer;
  user-select: none;
  transition: color 0.14s, background 0.14s;
}

.teacher-ranking-table th.sortable:hover {
  color: var(--green);
  background: rgba(47, 157, 104, 0.1);
}

.teacher-ranking-table th.sort-active {
  color: var(--green);
  background: rgba(47, 157, 104, 0.08);
}

.teacher-ranking-table th .sort-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 5px;
  font-style: normal;
  font-size: 10px;
  opacity: 0.45;
  vertical-align: middle;
  line-height: 1;
  transition: opacity 0.14s, color 0.14s;
  position: relative;
  top: -0.5px;
}

.teacher-ranking-table th.sortable:hover .sort-icon {
  opacity: 0.75;
}

.teacher-ranking-table th.sort-active .sort-icon {
  opacity: 1;
  color: var(--green);
  font-weight: 800;
}

.teacher-ranking-table td {
  padding: 9px 12px;
  border-bottom: 1px solid rgba(216, 226, 222, 0.5);
  vertical-align: middle;
  white-space: nowrap;
}

.teacher-ranking-table tbody tr {
  cursor: pointer;
  transition: background 0.12s;
}

.teacher-ranking-table tbody tr:hover {
  background: rgba(47, 157, 104, 0.06);
}

.teacher-ranking-table tbody tr:last-child td {
  border-bottom: none;
}

.teacher-ranking-table .rank-num {
  font-weight: 800;
  color: var(--muted);
  width: 28px;
  text-align: center;
}

.teacher-ranking-table .rank-num.top3 {
  color: var(--green);
}

.teacher-ranking-table .student-name {
  font-weight: 700;
  color: var(--ink);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 등급 pill */
.grade-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}

/* 상태 badge */
.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.status-badge.submitted {
  background: rgba(47, 157, 104, 0.12);
  color: var(--green);
}

.status-badge.draft {
  background: rgba(39, 116, 198, 0.12);
  color: var(--blue);
}

/* 작업중/제출 배지 (랭킹 테이블용 draft-badge 보완) */
.draft-badge-tbl {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 700;
  background: rgba(39, 116, 198, 0.13);
  color: var(--blue);
  margin-left: 4px;
  vertical-align: middle;
}

/* ── 드래프트 상세 모달 ──────────────────────────────────── */
#teacher-draft-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(24, 40, 43, 0.55);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

#teacher-draft-modal-overlay.open {
  display: flex;
}

#teacher-draft-modal {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(24, 40, 43, 0.22);
  max-width: 760px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px 28px 24px;
  position: relative;
}

.teacher-draft-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  gap: 12px;
}

.teacher-draft-modal-header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
}

.teacher-draft-modal-header .modal-meta {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

#teacher-draft-modal-close {
  background: none;
  box-shadow: none;
  border: 1px solid var(--line, #d8e2de);
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  padding: 4px 10px;
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
  font-weight: 400;
}

#teacher-draft-modal-close:hover {
  background: rgba(47, 157, 104, 0.08);
  color: var(--ink);
  transform: none;
}

.teacher-draft-map-img {
  display: block;
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 16px;
  border: 1px solid var(--line, #d8e2de);
}

/* 시설 목록 표 */
.teacher-draft-facility-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-bottom: 18px;
}

.teacher-draft-facility-table th {
  padding: 7px 10px;
  background: rgba(47, 157, 104, 0.07);
  border-bottom: 1px solid var(--line, #d8e2de);
  text-align: left;
  font-weight: 700;
  color: var(--muted);
  font-size: 11px;
}

.teacher-draft-facility-table td {
  padding: 7px 10px;
  border-bottom: 1px solid rgba(216, 226, 222, 0.4);
  vertical-align: middle;
}

.facility-type-chip {
  display: inline-block;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  text-align: center;
  line-height: 24px;
  margin-right: 6px;
  vertical-align: middle;
}

/* ── 5영역 점수 분해 공통 컴포넌트 ─────────────────────── */
.teacher-score-breakdown {
  margin: 16px 0 0;
}

.teacher-score-breakdown h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  margin: 0 0 10px 0;
  letter-spacing: 0.02em;
}

.teacher-score-breakdown-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tscore-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}

.tscore-row .tscore-label {
  width: 80px;
  flex-shrink: 0;
  font-weight: 600;
  color: var(--ink);
}

.tscore-row .tscore-bar-wrap {
  flex: 1;
  height: 10px;
  background: #e4ebe6;
  border-radius: 5px;
  overflow: hidden;
}

.tscore-row .tscore-bar-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.3s ease;
}

.tscore-row .tscore-nums {
  width: 64px;
  text-align: right;
  font-weight: 700;
  color: var(--ink);
  flex-shrink: 0;
}

.tscore-row .tscore-nums .tscore-max {
  font-weight: 400;
  color: var(--muted);
}

.teacher-score-total-row {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line, #d8e2de);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.teacher-score-total-row .total-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.teacher-score-total-row .total-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
}

.teacher-score-total-row .total-grade {
  display: flex;
  align-items: center;
  gap: 8px;
}

.teacher-score-missions-row {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

.teacher-score-missions-row strong {
  color: var(--green);
}

/* 모달 내 설명문 */
.teacher-draft-explanation {
  margin-top: 12px;
  padding: 12px 14px;
  background: rgba(47, 157, 104, 0.05);
  border-radius: 8px;
  border-left: 3px solid var(--green);
  font-size: 13px;
  color: var(--ink);
  line-height: 1.55;
}

.teacher-draft-explanation .expl-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 4px;
}

/* ── 제출 상세 내 점수 분해 (기존 submission-card 확장) ── */
.submission-card .teacher-score-breakdown {
  border-top: 1px solid var(--line, #d8e2de);
  padding-top: 14px;
  margin-top: 12px;
}

/* ── 로딩 / 빈 상태 ─────────────────────────────────────── */
.teacher-empty-hint {
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

/* ── 모달 내 섹션 구분 ──────────────────────────────────── */
.teacher-draft-section {
  margin-bottom: 18px;
}

.teacher-draft-section-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}