:root {
  --bg: #0f1419;
  --panel: #171d25;
  --panel2: #1e2630;
  --line: #2a3441;
  --text: #e8eef6;
  --muted: #9aabbd;
  --accent: #5b9fd4;
  --accent2: #3d8b6e;
  --warn: #c9a227;
  --danger: #c45c5c;
  --chip: #243041;
  --radius: 12px;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: var(--font); }
a { color: var(--accent); }
code { background: var(--chip); padding: 1px 6px; border-radius: 4px; font-size: 0.9em; }

.app { max-width: 1280px; margin: 0 auto; padding: 24px 18px 48px; }

.hero { margin-bottom: 18px; }
.hero-top { display: flex; gap: 16px; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; }
.eyebrow { color: var(--accent); letter-spacing: 0.04em; font-size: 12px; text-transform: uppercase; margin: 0 0 6px; }
h1 { margin: 0 0 8px; font-size: 28px; font-weight: 650; letter-spacing: -0.02em; }
.subtitle { margin: 0; color: var(--muted); }
.disclaimer { color: var(--muted); font-size: 13px; margin: 12px 0 0; line-height: 1.5; }

.hero-actions { display: flex; gap: 8px; }
.btn {
  border: 1px solid var(--line);
  background: var(--accent2);
  color: #fff;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  font: inherit;
}
.btn.ghost { background: transparent; color: var(--text); }
.btn:hover { filter: brightness(1.08); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin-top: 16px; }
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.stat b { display: block; font-size: 22px; }
.stat span { color: var(--muted); font-size: 12px; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.filters { padding: 14px 16px; margin-bottom: 14px; }
.filter-row { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.filter-row.wrap { align-items: flex-end; }
.label { width: 42px; color: var(--muted); font-size: 13px; flex: 0 0 auto; }
.pills { display: flex; flex-wrap: wrap; gap: 6px; max-width: 100%; }
.pill {
  border: 1px solid var(--line);
  background: var(--chip);
  color: var(--text);
  border-radius: 999px;
  padding: 5px 11px;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}
.pill.active { background: var(--accent); border-color: var(--accent); color: #061018; font-weight: 600; }
.pill[data-id="europe"] { outline: 1px solid #6a8f3d; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.field input, .field select {
  background: var(--panel2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  min-width: 220px;
  font: inherit;
}
.check { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; margin-left: auto; }

.layout {
  display: grid;
  grid-template-columns: minmax(300px, 420px) 1fr;
  gap: 14px;
  min-height: 62vh;
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}

.list { overflow: auto; max-height: 72vh; padding: 8px; }
.item {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  margin-bottom: 6px;
  background: transparent;
}
.item:hover { background: var(--panel2); }
.item.active { border-color: var(--accent); background: var(--panel2); }
.item-top { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.item h3 { margin: 0; font-size: 14px; font-weight: 650; line-height: 1.35; }
.item .meta { color: var(--muted); font-size: 12px; margin-top: 4px; }
.badges { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.badge {
  font-size: 11px;
  border-radius: 999px;
  padding: 2px 8px;
  background: var(--chip);
  color: var(--muted);
}
.badge.phd { color: #b9dff7; }
.badge.master { color: #f0d58a; }
.badge.full { color: #9fdfc0; }
.badge.partial { color: #e6c98a; }
.badge.rare { color: #e2a0a0; }
.badge.hk { outline: 1px solid #3d6a8f; }
.badge.usa { outline: 1px solid #6a4f2d; }

.detail { padding: 18px 20px; min-height: 420px; }
.detail .empty { color: var(--muted); padding: 40px 8px; }
.detail h2 { margin: 0 0 6px; font-size: 22px; }
.detail .sub { color: var(--muted); margin-bottom: 14px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 700px) { .grid2 { grid-template-columns: 1fr; } }
.kv {
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
}
.kv h4 { margin: 0 0 6px; font-size: 12px; color: var(--muted); font-weight: 600; letter-spacing: 0.03em; text-transform: uppercase; }
.kv p { margin: 0; line-height: 1.55; font-size: 14px; white-space: pre-wrap; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.actions a.btn { text-decoration: none; display: inline-flex; align-items: center; }

.badge.gfx { color: #f0c36a; outline: 1px solid #8a6a2a; }
.faculty-block { margin-top: 18px; }
.faculty-block > h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 650;
}
.faculty-hint { color: var(--muted); font-size: 12px; margin: 0 0 12px; line-height: 1.45; }
.faculty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}
.faculty-card {
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
}
.faculty-card.gfx-card { border-color: #7a6230; }
.faculty-card h4 { margin: 0 0 4px; font-size: 14px; }
.faculty-card .role { color: var(--muted); font-size: 12px; margin: 0 0 8px; }
.faculty-card .interests { margin: 0; padding: 0; list-style: none; font-size: 13px; line-height: 1.5; }
.faculty-card .interests li { margin-bottom: 2px; }
.faculty-card .interests .gfx {
  font-weight: 700;
  color: #f3d28a;
}
.faculty-card .notes { color: var(--muted); font-size: 12px; margin-top: 8px; }
.faculty-card a.home { font-size: 12px; }
.recruiting-tag {
  display: inline-block;
  font-size: 11px;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 999px;
  background: #2a4a3a;
  color: #9fdfc0;
}