/* Louis PhD Opportunity Radar — 克制、信息密度优先的申请管理界面 */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #fbfcfd;
  --border: #e3e7ee;
  --border-strong: #cfd6e2;
  --text: #172033;
  --text-2: #4a5568;
  --muted: #7a8699;
  --accent: #2f4f8f;
  --accent-soft: #eaf0fb;
  --ok: #1c7a52;
  --ok-soft: #e6f4ec;
  --warn: #96590a;
  --warn-soft: #fdf3e3;
  --danger: #9c2f2f;
  --danger-soft: #fbeceb;
  --info: #35506e;
  --info-soft: #eaf1f8;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(20, 30, 55, .05), 0 1px 3px rgba(20, 30, 55, .04);
  --shadow-md: 0 4px 16px rgba(20, 30, 55, .08);
  --maxw: 1180px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f131a;
    --surface: #171c26;
    --surface-2: #1c222e;
    --border: #29313f;
    --border-strong: #3a4455;
    --text: #e6eaf2;
    --text-2: #b3bccd;
    --muted: #8590a3;
    --accent: #7fa3e6;
    --accent-soft: #1e2b42;
    --ok: #6fc79a;
    --ok-soft: #17291f;
    --warn: #e0a860;
    --warn-soft: #2c2318;
    --danger: #e08585;
    --danger-soft: #2d1c1c;
    --info: #9db6d6;
    --info-soft: #1c2634;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, .4);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -.01em; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Header ---------- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 13px; min-width: 0; }
.brand-mark {
  width: 40px; height: 40px; flex: none;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 14px; letter-spacing: .04em;
}
.brand-text { min-width: 0; }
.brand-text h1 { font-size: 18px; line-height: 1.3; }
.brand-sub { margin: 2px 0 0; font-size: 12.5px; color: var(--muted); }
.header-meta { display: flex; align-items: center; gap: 12px; }
.updated { text-align: right; line-height: 1.35; }
.updated-label { display: block; font-size: 11px; color: var(--muted); letter-spacing: .02em; }
.updated-value { display: block; font-size: 13px; font-weight: 600; color: var(--text-2); font-variant-numeric: tabular-nums; }

.btn {
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-2);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 550;
  cursor: pointer;
  font-family: inherit;
  transition: background .15s, border-color .15s, color .15s;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-2); border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: .55; cursor: default; }
.btn-ghost { background: transparent; }

/* ---------- Banner ---------- */
.banner-wrap { padding-top: 12px; }
.banner {
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13.5px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
}
.banner.is-stale { background: var(--warn-soft); border-color: #e6cf9e; color: var(--warn); }
.banner.is-error { background: var(--danger-soft); border-color: #e7bfbd; color: var(--danger); }
.banner.is-info { background: var(--info-soft); border-color: var(--border-strong); color: var(--info); }
@media (prefers-color-scheme: dark) {
  .banner.is-stale, .banner.is-error, .banner.is-info { border-color: var(--border-strong); }
}
.banner strong { font-weight: 650; }

/* ---------- Main ---------- */
.main { padding-top: 20px; padding-bottom: 48px; }

.summary-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.summary-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.summary-head h2 { font-size: 15px; }
.summary-time { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.summary-body { margin-top: 10px; font-size: 14px; color: var(--text-2); }
.summary-body p { margin: 0 0 6px; }
.summary-body ul { margin: 6px 0 0; padding-left: 20px; }
.summary-body li { margin-bottom: 4px; }
.summary-body .kv { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-bottom: 16px; }
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: var(--shadow);
}
.stat-num { font-size: 21px; font-weight: 680; line-height: 1.2; font-variant-numeric: tabular-nums; }
.stat-label { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ---------- Toolbar ---------- */
.toolbar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.toolbar-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.search-box { position: relative; flex: 1 1 300px; min-width: 220px; }
.search-icon { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; fill: var(--muted); pointer-events: none; }
.search-box input {
  width: 100%;
  padding: 9px 32px 9px 34px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
.search-box input:focus { outline: 2px solid var(--accent-soft); outline-offset: -1px; border-color: var(--accent); }
.clear-btn {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  border: 0; background: transparent; color: var(--muted);
  font-size: 20px; line-height: 1; cursor: pointer; padding: 2px 6px; border-radius: 4px;
}
.clear-btn:hover { color: var(--text); background: var(--surface-2); }

.selects { display: flex; gap: 10px; flex-wrap: wrap; }
.field { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); }
.field select {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  padding: 7px 9px;
  font-size: 13px;
  font-family: inherit;
  max-width: 170px;
}

.toolbar-foot { margin-top: 11px; justify-content: space-between; }
.region-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-2);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12.5px;
  cursor: pointer;
  font-family: inherit;
  transition: all .15s;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.result-count { font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; }

/* ---------- Advisor grid ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(430px, 1fr)); gap: 14px; }
@media (max-width: 720px) { .grid { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .15s;
}
.card:hover { box-shadow: var(--shadow-md); }
.card.is-flagged { border-color: #e0c9a0; }
@media (prefers-color-scheme: dark) { .card.is-flagged { border-color: #4a3c26; } }

.card-head { display: flex; gap: 13px; padding: 15px 16px 12px; }
.avatar {
  width: 52px; height: 52px; flex: none;
  border-radius: 50%;
  object-fit: cover;
  background: var(--accent-soft);
  border: 1px solid var(--border);
}
.avatar-fallback {
  width: 52px; height: 52px; flex: none;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 650;
  font-size: 16px;
  border: 1px solid var(--border);
}
.card-head-main { min-width: 0; flex: 1; }
.card-name-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card-name { font-size: 16px; font-weight: 650; }
.rank-badge {
  font-size: 11px; font-weight: 650;
  background: var(--accent-soft); color: var(--accent);
  border-radius: 4px; padding: 1px 7px;
  font-variant-numeric: tabular-nums;
}
.card-affil { font-size: 13.5px; color: var(--text-2); margin-top: 2px; }
.card-loc { font-size: 12.5px; color: var(--muted); margin-top: 1px; }

.score-block { flex: none; text-align: right; min-width: 64px; }
.score-num { font-size: 22px; font-weight: 680; line-height: 1.1; font-variant-numeric: tabular-nums; }
.score-cap { font-size: 11px; color: var(--muted); }

.badges { display: flex; gap: 6px; flex-wrap: wrap; padding: 0 16px 12px; }
.badge {
  font-size: 11.5px;
  border-radius: 999px;
  padding: 2px 9px;
  border: 1px solid var(--border-strong);
  color: var(--text-2);
  background: var(--surface-2);
  white-space: nowrap;
}
.badge-ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.badge-warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.badge-danger { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.badge-info { background: var(--info-soft); color: var(--info); border-color: transparent; }

.status-note {
  padding: 0 16px 12px;
  margin-top: -4px;
  font-size: 12px;
  color: var(--muted);
}
.status-note::before { content: "▸ "; opacity: .6; }

.metrics { padding: 0 16px 12px; display: grid; gap: 7px; }
.metric { display: grid; grid-template-columns: 84px 1fr 40px; align-items: center; gap: 9px; font-size: 12.5px; }
.metric-label { color: var(--muted); }
.metric-bar { display: block; height: 6px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; overflow: hidden; }
@media (prefers-color-scheme: dark) { .metric-bar { background: #202734; } }
.metric-fill { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.metric-val { text-align: right; font-variant-numeric: tabular-nums; color: var(--text-2); font-weight: 550; }

.themes { padding: 0 16px 12px; display: flex; gap: 5px; flex-wrap: wrap; }
.tag {
  font-size: 11.5px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  border-radius: 5px;
  padding: 2px 8px;
}
.tag-method { background: transparent; border-style: dashed; }

.notice {
  margin: 0 16px 12px;
  padding: 8px 11px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  background: var(--warn-soft);
  color: var(--warn);
  border-left: 3px solid #cf9a45;
}
.notice.is-hard { background: var(--danger-soft); color: var(--danger); border-left-color: #b85656; }

.card details { border-top: 1px solid var(--border); margin-top: auto; }
.card summary {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--accent);
  cursor: pointer;
  font-weight: 550;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
}
.card summary::-webkit-details-marker { display: none; }
.card summary::after { content: "展开 ▾"; font-size: 12px; color: var(--muted); font-weight: 400; }
.card details[open] summary::after { content: "收起 ▴"; }
.card summary:hover { background: var(--surface-2); }

.detail { padding: 4px 16px 16px; }
.detail h4 {
  font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); margin: 14px 0 5px; font-weight: 650;
}
.detail p { margin: 0; font-size: 13.5px; color: var(--text-2); }
.detail ul { margin: 0; padding-left: 18px; font-size: 13.5px; color: var(--text-2); }
.detail li { margin-bottom: 5px; }
.detail .muted { color: var(--muted); font-size: 12.5px; }
.detail-links { display: flex; flex-direction: column; gap: 4px; }

.mini-signals { border-top: 1px dashed var(--border); margin-top: 12px; padding-top: 10px; }
.mini-signal { font-size: 12.5px; color: var(--text-2); padding: 5px 0; border-bottom: 1px solid var(--border); }
.mini-signal:last-child { border-bottom: 0; }
.mini-signal-top { display: flex; gap: 7px; align-items: baseline; flex-wrap: wrap; }
.signal-type {
  font-size: 10.5px; font-weight: 650; letter-spacing: .02em;
  padding: 1px 6px; border-radius: 4px;
  background: var(--info-soft); color: var(--info);
}
.signal-time { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.signal-type.tone-ok { background: var(--ok-soft); color: var(--ok); }
.signal-type.tone-warn { background: var(--warn-soft); color: var(--warn); }
.signal-type.tone-danger { background: var(--danger-soft); color: var(--danger); }
.signal-type.tone-info { background: var(--info-soft); color: var(--info); }

/* ---------- Signals ---------- */
.signals-section { margin-top: 26px; }
.section-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.section-head h2 { font-size: 16px; }
.section-sub { font-size: 12.5px; color: var(--muted); }
.signal-filter { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.signal-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.signal-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  box-shadow: var(--shadow);
}
.signal-meta { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; margin-bottom: 3px; }
.signal-advisor { font-weight: 620; font-size: 13.5px; }
.signal-title { font-size: 14px; font-weight: 550; margin: 2px 0; }
.signal-detail { font-size: 13px; color: var(--text-2); margin: 0; }
.signal-src { font-size: 12px; margin-top: 4px; }

/* ---------- Empty / error / loading ---------- */
.empty, .error-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  box-shadow: var(--shadow);
}
.empty-title { font-size: 15px; font-weight: 620; margin: 0 0 4px; }
.empty-sub { font-size: 13px; color: var(--muted); margin: 0 0 14px; }
.error-card h2 { font-size: 15px; margin-bottom: 6px; color: var(--danger); }
.error-card p { font-size: 13.5px; color: var(--text-2); margin: 0 0 14px; }

.loading { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 56px 0; color: var(--muted); font-size: 13.5px; }
.spinner {
  width: 26px; height: 26px;
  border: 2.5px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); background: var(--surface); margin-top: 20px; }
.footer-inner { padding-top: 18px; padding-bottom: 22px; font-size: 12.5px; color: var(--muted); }
.footer-inner p { margin: 0 0 4px; }
.footer-dim { color: var(--muted); opacity: .85; }

@media (max-width: 640px) {
  .header-inner { padding-top: 12px; padding-bottom: 12px; }
  .brand-text h1 { font-size: 16px; }
  .brand-sub { display: none; }
  .header-meta { width: 100%; justify-content: space-between; }
  .updated { text-align: left; }
  .grid { gap: 12px; }
  .metric { grid-template-columns: 72px 1fr 36px; }
  .selects { width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
  .field { display: grid; gap: 3px; align-items: stretch; min-width: 0; }
  .field > span { white-space: nowrap; }
  .field select { width: 100%; max-width: none; }
}