/* Research/System/Device shared styles */
.ee-combined-grid{ display:block; }
.ee-combined-grid.is-combined{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; align-items:start; }
.ee-combined-grid.is-combined .ee-rf-grid,
.ee-combined-grid.is-combined .ee-prof-grid{ display:contents; }
.ee-rf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:24px 0}
@media (max-width: var(--bp-lg)){.ee-rf-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width: var(--bp-sm)){.ee-rf-grid{grid-template-columns:1fr}}
.ee-rf-card{border-radius:16px;background:#fff;border:1px solid var(--ee-border,#e5e7eb);overflow:hidden;display:flex;flex-direction:column}
.ee-rf-thumb{width:100%; aspect-ratio:4/3;background:#f3f4f6;display:block;background-size:cover;background-position:center; transition: transform .45s cubic-bezier(.22,.61,.36,1); will-change: transform;}
.ee-rf-thumb.is-solid{ display:flex; align-items:center; justify-content:center; background:#8A0033; color:#fff; text-decoration:none; }
.ee-rf-thumb.is-solid .ee-rf-thumb-text{ display:block; padding:10px 12px; text-align:center; font-weight:800; line-height:1.35; letter-spacing:-.01em; }
.ee-rf-card:hover .ee-rf-thumb{ transform: scale(1.10); }
.ee-rf-body{padding:16px;display:flex;flex-direction:column;gap:10px}
.ee-rf-title{margin:0;font-size:20px;font-weight:800;letter-spacing:-.02em}
.ee-rf-desc{margin:6px 0 4px; color:#4b5563; font-size:14px; line-height:1.55; display:-webkit-box; -webkit-line-clamp:3; line-clamp:3; -webkit-box-orient:vertical; overflow:hidden}
.ee-badges{display:flex;flex-wrap:wrap;gap:6px}
.ee-badge{display:inline-block;padding:3px 8px;border-radius:999px;border:1px solid #e5e7eb;background:#f9fafb;font-size:12px;line-height:1.2;color:#374151}
.ee-badge.ee--group{background:#eef2ff;color:#1e3a8a;border-color:rgba(30,58,138,.25)}
.ee-prof{font-size:14px;color:#374151}
.ee-prof-link{ color:#444 !important; text-decoration:none; }
.ee-prof-link:hover{ color:#222; text-decoration:underline; }
.ee-rf-filter{margin:8px 0 10px; display:flex; flex-wrap:wrap; gap:8px}
.ee-rf-filter .btn{display:inline-flex;align-items:center;gap:6px;border:1px solid #d1d5db;background:#fff;color:#111827;border-radius:999px;padding:6px 12px;font-size:14px;line-height:1.2;cursor:pointer}
.ee-rf-filter .btn:hover{background:#f3f4f6}
.ee-rf-filter .btn.is-active{background:#111827;color:#fff;border-color:#111827}

/* 모바일용 셀렉트 필터: 기본 숨김, 모바일에서만 표시 */
.ee-rf-filter-select{ display:none; margin:8px 0 12px; }
.ee-rf-filter-select select{ width:100%; border:1px solid #e5e7eb; border-radius:999px; padding:10px 14px; font-size:14px; }

@media (max-width: 640px){
  /* 모바일: 버튼형 필터는 계속 숨김, 셀렉트만 표시 */
  .ee-rf-filter{ display:none !important; }
  .ee-rf-filter-select{ display:block; }
  .ee-rf-filter-mobile{ display:none !important; }
}
.ee-prof-grid{ display:grid; grid-template-columns:repeat(4, 1fr); gap:18px; margin: 10px 0 24px; }
@media (max-width: 1280px){ .ee-prof-grid{ grid-template-columns:repeat(2, 1fr); } }
@media (max-width: var(--bp-sm)){ .ee-prof-grid{ grid-template-columns:1fr; } }
.ee-prof-card{ border-radius:16px; background:#fff; overflow:hidden; border:1px solid #e5e7eb; box-shadow:0 1px 2px rgba(0,0,0,.04); display:flex; flex-direction:column; }
.ee-prof-card .photo{ width:100%; background:#f3f4f6; aspect-ratio: 4 / 3; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.ee-prof-card .photo.is-noimg{ background-size: cover; background-position: center; }
.ee-prof-card .photo img{ width:100%; height:100%; object-fit:cover; display:block; transition: transform .45s cubic-bezier(.22,.61,.36,1); will-change: transform; }
.ee-prof-card:hover .photo img{ transform: scale(1.10); }
.ee-prof-card .body{ padding:16px; display:flex; flex-direction:column; gap:8px; }
.ee-prof-card .name{ font-size:18px; font-weight:800; margin:0; letter-spacing:-0.02em; }
.ee-prof-card .dept{ color:#6b7280; font-size:13px; margin:0; }

/* Research: Accordion (template-parts/research/accordion-field-lab-prof.php) */
.ee-acc { border:1px solid #e6e6e6; border-radius:12px; background:#fff; }
.ee-acc + .ee-acc { margin-top:12px; }
.ee-acc__sum { display:flex; align-items:center; justify-content:space-between; width:100%; padding:12px 14px; background:#fafafa; border:0; border-radius:12px; cursor:pointer; }
.ee-acc__title { font-size:1.05rem; font-weight:600; }
.ee-acc__meta { color:#666; font-size:.92rem; }
.ee-acc__panel { display:none; padding:12px 14px 16px; border-top:1px solid #eee; }
.ee-acc__groups { margin-left:8px; display:flex; gap:6px; flex-wrap:wrap; }
.ee-lab-list { list-style:none; padding:0; margin:0; display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:12px; }
.ee-lab-card { border:1px solid #eee; border-radius:10px; padding:10px 12px; background:#fff; }
.ee-lab-card__title { margin:0 0 8px; font-weight:600; }
.ee-prof-chips { display:flex; flex-wrap:wrap; gap:6px; }
.ee-chip { display:inline-block; border:1px solid #ddd; border-radius:14px; padding:4px 10px; font-size:.9rem; background:#fafafa; }
.ee-lab-desc { margin-top:8px; color:#555; line-height:1.5; }

/* Research Groups (template-parts/research/groups.php) */
.ee-rg-prof-list { list-style:none; padding:0; margin:0; display:grid; grid-template-columns:repeat(auto-fill, minmax(380px, 1fr)); gap:24px; }
@media (max-width: 768px) {
  .ee-rg-prof-list { grid-template-columns: 1fr !important; }
  .ee-card { margin-bottom: 16px; }
  .ee-card-thumb { width: 80px !important; height: 100px !important; }
  .ee-card-body { padding: 12px !important; }
  .ee-card-title { font-size: 1.1rem !important; }

}
@media (max-width: var(--bp-xs)) {
  .ee-card-thumb { width: 70px !important; height: 90px !important; }
  .ee-card-body > div { flex-direction: column !important; gap: 12px !important; }
  .ee-card-thumb { width: 100% !important; height: 180px !important; }
}

/* Utility */
.ee-empty { color:#666; }

/* Research fields gallery (root page grid) */
.ee-combined-grid { display:block; }
.ee-combined-grid.is-combined { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; align-items:start; }
.ee-combined-grid.is-combined .ee-rf-grid,
.ee-combined-grid.is-combined .ee-prof-grid{ display:contents; }
@media (max-width: 1200px){ .ee-combined-grid.is-combined{ grid-template-columns:repeat(3,1fr); } }
@media (max-width: 1199px){ .ee-combined-grid.is-combined{ grid-template-columns:repeat(2,1fr); } }
@media (max-width: 640px){ .ee-combined-grid.is-combined{ grid-template-columns:1fr; } }
.ee-combined-grid.is-combined .ee-rf-grid,
.ee-combined-grid.is-combined .ee-prof-grid{ display:contents; }




.ee-rf-grid { display:grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap:18px; align-items:stretch; margin:24px 0; }
@media (max-width: 1200px){ .ee-rf-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 1199px){ .ee-rf-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px){ .ee-rf-grid { grid-template-columns: repeat(1, minmax(0, 1fr)); } }
.ee-rf-card { border:1px solid #e5e7eb; border-radius:16px; overflow:hidden; background:#fff; display:flex; flex-direction:column; transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease; }
.ee-rf-card:hover { box-shadow: 0 6px 18px rgba(17,24,39,.06); transform: translateY(-2px); }
.ee-rf-card .ee-rf-body { padding:16px; display:flex; flex-direction:column; gap:10px; }
.ee-badges { display:flex; gap:8px; flex-wrap:wrap; }
.ee-badge { display:inline-block; padding:3px 8px; border:1px solid #e5e7eb; border-radius:999px; font-size:12px; line-height:1.2; background:#f9fafb; color:#374151; }
.ee-badge.ee--group { background:#eef2ff; color:#1e3a8a; border-color:rgba(30,58,138,.25); }
.ee-rf-title { margin:0; font-size:20px; font-weight:800; letter-spacing:-0.02em; color:#111; }
.ee-rf-desc { margin:6px 0 4px; color:#4b5563; line-height:1.55; font-size:14px; display:-webkit-box; -webkit-line-clamp:3; line-clamp:3; -webkit-box-orient:vertical; overflow:hidden }

/* Filter buttons */
.ee-rf-filter{margin:8px 0 10px; display:flex; flex-wrap:wrap; gap:8px}
.ee-rf-filter .btn{display:inline-flex;align-items:center;gap:6px;border:1px solid #d1d5db;background:#fff;color:#111827;border-radius:999px;padding:6px 12px;font-size:14px;line-height:1.2;cursor:pointer; font-weight: 400;}
.ee-rf-filter .btn:hover{background:#f3f4f6}
.ee-rf-filter .btn.is-active{background:#111827;color:#fff;border-color:#111827}

/* Professor grid (4-up) */
.ee-prof-grid{ display:grid; grid-template-columns:repeat(4, 1fr); gap:18px; margin: 10px 0 24px; }
@media (max-width:1280px){ .ee-prof-grid{ grid-template-columns:repeat(2, 1fr); } }
@media (max-width:640px){ .ee-prof-grid{ grid-template-columns:1fr; } }
.ee-prof-card{ border-radius:16px; background:#fff; overflow:hidden; border:1px solid #e5e7eb; box-shadow:0 1px 2px rgba(0,0,0,.04); display:flex; flex-direction:column; }
.ee-prof-card .photo{ width:100%; background:#f3f4f6; aspect-ratio: 4 / 3; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.ee-prof-card .photo.is-noimg{ background-size: cover; background-position: center; }
.ee-prof-card .photo img{ width:100%; height:100%; object-fit:cover; display:block; transition: transform .45s cubic-bezier(.22,.61,.36,1); will-change: transform; }
.ee-prof-card:hover .photo img{ transform: scale(1.10); }
.ee-prof-card .body{ padding:16px; display:flex; flex-direction:column; gap:8px; }
.ee-prof-card .name{ font-size:18px; font-weight:800; margin:0; letter-spacing:-0.02em; }
.ee-prof-card .dept{ color:#6b7280; font-size:13px; margin:0; }
.ee-prof{font-size:14px;color:#374151}
.ee-badge { display:inline-block; padding:3px 8px; border:1px solid #e5e7eb; border-radius:999px; font-size:12px; line-height:1.2; background:#f9fafb; color:#374151; }
.ee-badge.ee--group { background:#eef2ff; color:#1e3a8a; border-color:rgba(30,58,138,.25); }
.ee-rf-title { margin:0; font-size:20px; font-weight:800; letter-spacing:-0.02em; color:#111; }
.ee-rf-desc { margin:6px 0 4px; color:#4b5563; line-height:1.55; font-size:14px; display:-webkit-box; -webkit-line-clamp:3; line-clamp:3; -webkit-box-orient:vertical; overflow:hidden }

/* Filter buttons */
.ee-rf-filter{margin:8px 0 10px; display:flex; flex-wrap:wrap; gap:8px}
.ee-rf-filter .btn{display:inline-flex;align-items:center;gap:6px;border:1px solid #d1d5db;background:#fff;color:#111827;border-radius:999px;padding:6px 12px;font-size:14px;line-height:1.2;cursor:pointer}
.ee-rf-filter .btn:hover{background:#f3f4f6}
.ee-rf-filter .btn.is-active{background:#111827;color:#fff;border-color:#111827}

/* Professor grid (4-up) */
.ee-prof-grid{ display:grid; grid-template-columns:repeat(4, 1fr); gap:18px; margin: 10px 0 24px; }
@media (max-width:1280px){ .ee-prof-grid{ grid-template-columns:repeat(2, 1fr); } }
@media (max-width:640px){ .ee-prof-grid{ grid-template-columns:1fr; } }
.ee-prof-card{ border-radius:16px; background:#fff; overflow:hidden; border:1px solid #e5e7eb; box-shadow:0 1px 2px rgba(0,0,0,.04); display:flex; flex-direction:column; }
.ee-prof-card .photo{ width:100%; background:#f3f4f6; aspect-ratio: 4 / 3; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.ee-prof-card .photo.is-noimg{ background-size: cover; background-position: center; }
.ee-prof-card .photo img{ width:100%; height:100%; object-fit:cover; display:block; transition: transform .45s cubic-bezier(.22,.61,.36,1); will-change: transform; }
.ee-prof-card:hover .photo img{ transform: scale(1.10); }
.ee-prof-card .body{ padding:16px; display:flex; flex-direction:column; gap:8px; }
.ee-prof-card .name{ font-size:18px; font-weight:800; margin:0; letter-spacing:-0.02em; }
.ee-prof-card .dept{ color:#6b7280; font-size:13px; margin:0; }
.ee-prof{font-size:14px;color:#374151}