/* 조별활동 화면 공용 스타일 — index.html(학생)과 admin.html(관리자 조 상세)이 함께 쓴다.
   두 화면을 똑같이 유지하려고 한 파일로 모았다. 여기만 고치면 양쪽에 같이 반영된다. */

/* 교수자 메시지 색 — CLAZ 코랄(#FF6B6B) 계열. 글자색은 연한 배경 위에서 읽히도록 짙게(대비 4.5 이상). */
:root {
  --gv-coral:#FF6B6B;       /* 강조: 얼굴 테두리, 말풍선 꼬리, 입력칸 테두리 */
  --gv-coral-soft:#FFF1EF;  /* 말풍선 배경 */
  --gv-coral-line:#FFCFC9;  /* 말풍선 테두리 */
  --gv-coral-ink:#B8433B;   /* 말풍선 글자 */
  --gv-coral-strong:#C2453D;/* 제목·이름·버튼 */
}

/* ── 2단 배치: 왼쪽 우리 조 / 오른쪽 교수자 메시지 ── */
.gv-layout { display:grid; grid-template-columns:minmax(0,1fr) 340px; grid-template-areas:"info side" "acts side"; grid-template-rows:auto 1fr; column-gap:20px; align-items:start; }
.gv-info { grid-area:info; min-width:0; }
.gv-acts { grid-area:acts; min-width:0; }
.gv-side { grid-area:side; min-width:0; position:sticky; top:var(--gv-sticky-top, 72px); align-self:start; }
@media(max-width:900px){
  .gv-layout { grid-template-columns:minmax(0,1fr); grid-template-areas:"info" "side" "acts"; grid-template-rows:auto; }
  .gv-side { position:static; margin-bottom:16px; }
}

/* ── 조 정보 상자 ── */
.group-info-box { background:#14274D; color:#fff; border-radius:var(--radius); padding:20px; margin-bottom:16px; }
.group-info-box h3 { margin-bottom:8px; }
.group-members { display:flex; flex-wrap:wrap; gap:8px; }
.group-member-tag { background:rgba(255,255,255,.2); padding:4px 10px; border-radius:20px; font-size:.85rem; }

/* ── 교수자 메시지 패널 ── */
.gv-panel { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:14px; display:flex; flex-direction:column; max-height:calc(100vh - var(--gv-sticky-top, 72px) - 24px); }
.gv-panel-head { display:flex; align-items:center; gap:8px; font-weight:700; font-size:.95rem; color:var(--gv-coral-strong); margin-bottom:12px; }
.gv-panel-head img { width:30px; height:30px; border-radius:50%; object-fit:cover; }
.gv-panel-sub { font-size:.72rem; font-weight:600; color:var(--sub); background:var(--sunk); padding:1px 8px; border-radius:10px; }
.gv-panel-count { margin-left:auto; font-size:.75rem; color:var(--faint); font-weight:600; }
.gv-panel-list { overflow-y:auto; flex:1; min-height:0; display:flex; flex-direction:column; gap:14px; padding:2px 2px 2px 0; }
.gv-empty { text-align:center; color:var(--faint); font-size:.84rem; padding:20px 0; }
@media(max-width:900px){ .gv-panel { max-height:420px; } }

/* ── 말풍선 (교수님 얼굴 + 말풍선) ── */
.gv-msg { display:flex; gap:9px; align-items:flex-start; }
.gv-msg-face { width:36px; height:36px; border-radius:50%; object-fit:cover; flex-shrink:0; border:2px solid var(--gv-coral); background:#fff; }
.gv-msg-body { flex:1; min-width:0; }
.gv-msg-meta { display:flex; align-items:center; gap:6px; flex-wrap:wrap; font-size:.72rem; color:var(--faint); margin-bottom:4px; }
.gv-msg-meta b { color:var(--gv-coral-strong); font-size:.78rem; }
.gv-msg-tag { padding:1px 8px; border-radius:10px; background:var(--sunk); color:var(--sub); font-weight:600; font-size:.7rem; border:none; font-family:inherit; line-height:1.6; }
button.gv-msg-tag { cursor:pointer; background:var(--accent-soft); color:var(--primary); }
button.gv-msg-tag:hover { text-decoration:underline; }
.gv-bubble { position:relative; background:var(--gv-coral-soft); border:1px solid var(--gv-coral-line); color:var(--gv-coral-ink); border-radius:4px 14px 14px 14px; padding:9px 12px; font-size:.88rem; line-height:1.6; font-weight:500; overflow-wrap:anywhere; }
.gv-bubble::before { content:''; position:absolute; left:-7px; top:8px; border-style:solid; border-width:6px 7px 6px 0; border-color:transparent var(--gv-coral-line) transparent transparent; }
.gv-bubble::after { content:''; position:absolute; left:-5px; top:9px; border-style:solid; border-width:5px 6px 5px 0; border-color:transparent var(--gv-coral-soft) transparent transparent; }
.gv-msg-foot { display:flex; align-items:center; gap:10px; margin-top:4px; min-height:18px; }
.gv-link-btn { background:none; border:none; color:var(--sub); font-size:.74rem; cursor:pointer; padding:0; text-decoration:underline; font-family:inherit; }
.gv-link-btn.danger { color:#d33; text-decoration:none; }

/* 메시지 입력칸 (관리자) */
.gv-composer { display:flex; gap:6px; margin-bottom:12px; }
.gv-composer input:focus { outline:none; border-color:var(--gv-coral); box-shadow:0 0 0 3px rgba(255,107,107,.18); }
.gv-composer input { flex:1; min-width:0; padding:8px 10px; border:1px solid var(--gv-coral-line); border-radius:8px; font-size:.85rem; font-family:inherit; }
.gv-composer button:hover { filter:brightness(1.08); }
.gv-composer button { padding:7px 14px; background:var(--gv-coral-strong); color:#fff; border:none; border-radius:8px; font-size:.82rem; cursor:pointer; white-space:nowrap; font-family:inherit; }

/* ── 활동 카드 목록 ── */
.gv-acts-title { font-size:.85rem; font-weight:700; color:var(--primary); margin:4px 0 10px; }
.gv-grid { display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:14px; align-items:stretch; }
.gv-grid > .empty-state, .gv-grid > .gv-empty { grid-column:1 / -1; }
@media(max-width:640px){ .gv-grid { grid-template-columns:1fr; } }
.gv-card { background:var(--surface); border-radius:var(--radius); padding:16px 18px; border:1px solid var(--line); border-left:3px solid var(--primary); display:flex; flex-direction:column; min-height:160px; cursor:pointer; transition:box-shadow .15s, border-color .15s; min-width:0; }
.gv-card:hover { box-shadow:var(--shadow-md); border-color:var(--line-strong); border-left-color:var(--primary); }
.gv-card:focus-visible { outline:2px solid var(--primary); outline-offset:2px; }
.gv-card-author { margin-left:auto; font-size:.78rem; color:var(--sub); font-weight:600; white-space:nowrap; max-width:50%; overflow:hidden; text-overflow:ellipsis; }
.gv-card-preview { font-size:.86rem; color:var(--sub); line-height:1.55; overflow:hidden; display:-webkit-box; -webkit-line-clamp:4; -webkit-box-orient:vertical; overflow-wrap:anywhere; flex:1; }
.gv-card-more { font-size:.74rem; color:var(--faint); margin-top:8px; text-align:right; }
.gv-card-tc { display:flex; align-items:flex-start; gap:8px; margin-top:10px; padding-top:10px; border-top:1px dashed var(--line); }
.gv-card-tc img { width:30px; height:30px; border-radius:50%; object-fit:cover; flex-shrink:0; border:2px solid var(--gv-coral); background:#fff; }
.gv-card-tc-body { flex:1; min-width:0; }
.gv-card-tc-meta { font-size:.7rem; color:var(--faint); margin-bottom:3px; }
.gv-card-tc-meta b { color:var(--gv-coral-strong); font-size:.74rem; }
.gv-card-tc-bubble { position:relative; background:var(--gv-coral-soft); border:1px solid var(--gv-coral-line); color:var(--gv-coral-ink); border-radius:4px 12px 12px 12px; padding:6px 10px; font-size:.82rem; font-weight:600; line-height:1.5; overflow:hidden; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow-wrap:anywhere; }
.activity-date { font-weight:700; font-size:.88rem; color:var(--primary); margin-bottom:4px; display:flex; align-items:center; gap:6px; flex-wrap:wrap; }
.activity-date::before { content:''; width:8px; height:8px; border-radius:50%; background:var(--primary); flex-shrink:0; }
.gv-count { font-size:.75rem; font-weight:500; color:var(--sub); }

/* ── 활동 상세 팝업 ── */
.gv-pop-overlay { display:none; position:fixed; inset:0; background:rgba(15,23,42,.5); z-index:10000; align-items:center; justify-content:center; padding:20px; }
.gv-pop-overlay.show { display:flex; }
.gv-pop-box { position:relative; background:var(--surface); border-radius:16px; width:min(1080px, 90vw); max-height:90vh; overflow-y:auto; padding:clamp(18px, 2.4vw, 32px); box-shadow:0 12px 40px rgba(0,0,0,.25); }
@media(max-width:900px){ .gv-pop-box { width:94vw; } }
.gv-pop-close { position:sticky; top:0; float:right; margin:-8px -8px 0 8px; width:34px; height:34px; border-radius:50%; border:none; background:var(--sunk); color:var(--sub); font-size:1.05rem; cursor:pointer; z-index:2; }
.gv-pop-close:hover { background:var(--line); }
@media(max-width:640px){
  .gv-pop-overlay { padding:0; align-items:flex-end; }
  .gv-pop-box { width:100%; max-height:92vh; border-radius:16px 16px 0 0; padding:18px 16px 24px; }
}
.gv-pop-head { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:12px; }
.gv-pop-date { font-weight:700; font-size:1rem; color:var(--primary); }
.gv-pop-author { font-size:.84rem; color:var(--sub); font-weight:600; }
.activity-content { font-size:.92rem; line-height:1.7; padding:10px 14px; background:var(--sunk); border-radius:10px; overflow-wrap:anywhere; }
.activity-files { margin-top:10px; display:flex; flex-wrap:wrap; gap:6px; }
.activity-file-item { display:inline-flex; align-items:center; gap:4px; background:var(--sunk); padding:5px 12px; border-radius:8px; font-size:.85rem; border:1px solid var(--line); max-width:100%; overflow-wrap:anywhere; }
.activity-file-item a { color:var(--primary); text-decoration:none; font-weight:500; }
.activity-file-item a:hover { text-decoration:underline; }
.activity-video { margin-top:8px; font-size:.88rem; }
.gv-sec { font-size:.82rem; font-weight:700; color:var(--sub); margin:16px 0 10px; padding-top:12px; border-top:1px solid var(--line); }
.gv-sec-list { display:flex; flex-direction:column; gap:12px; }
.gv-cmt { padding:8px 10px; background:var(--bg); border:1px solid var(--line); border-radius:8px; margin-bottom:6px; }
.gv-cmt-head { display:flex; justify-content:space-between; align-items:center; gap:8px; margin-bottom:4px; flex-wrap:wrap; }
.gv-cmt-author { font-weight:700; font-size:.82rem; }
.gv-cmt-tools { display:flex; align-items:center; gap:8px; }
.gv-cmt-time { font-size:.72rem; color:var(--faint); }
.gv-cmt-text { font-size:.86rem; overflow-wrap:anywhere; }
.gv-cmt-extra { margin-top:4px; font-size:.8rem; overflow-wrap:anywhere; }
.gv-cmt-extra a { color:var(--primary); }

/* 학생이 삭제(숨김)한 기록 — 관리자 화면에만 나온다 */
.gv-deleted { margin-top:20px; padding:14px; border:1px dashed var(--line-strong); border-radius:var(--radius); background:var(--sunk); }
.gv-deleted-title { font-size:.82rem; font-weight:700; color:var(--sub); margin-bottom:10px; }
.gv-deleted-item { padding:10px 12px; background:var(--surface); border:1px solid var(--line); border-radius:10px; margin-bottom:8px; opacity:.85; }
.gv-deleted-meta { display:flex; flex-wrap:wrap; gap:6px; align-items:center; font-size:.76rem; color:var(--sub); margin-bottom:4px; }
.gv-deleted-meta span { margin-left:auto; color:var(--faint); }
.gv-deleted-text { font-size:.84rem; color:var(--sub); margin-bottom:8px; overflow-wrap:anywhere; }

/* 공용 SVG 아이콘 (js/icons.js) — 글자 줄에 맞춰 앉힌다 */
.ic { display:inline-block; vertical-align:-0.18em; flex-shrink:0; }