:root {
  --bg: #f6f6f4; --panel: #fff; --text: #1c1917; --muted: #78716c; --border: #e7e5e4;
  --accent: #0a66c2; --accent-soft: #e8f1fb; --star: #d97706; --me: #eef6ee; --danger: #b91c1c;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121212; --panel: #1c1c1c; --text: #e7e5e4; --muted: #a8a29e; --border: #2c2c2c;
          --accent: #70b5f9; --accent-soft: #1d2d40; --star: #fbbf24; --me: #1f2b1f; --danger: #f87171; }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
[hidden] { display: none !important; }
.muted { color: var(--muted); }

/* --- gates (loading / sign-in / 403) --- */
.gate { min-height: 100%; display: grid; place-items: center; padding: 24px; }
.gate-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 28px 32px;
             max-width: 440px; text-align: center; }
.gate-card h2 { margin: 0 0 8px; }
.spinner { width: 28px; height: 28px; margin: 0 auto 12px; border: 3px solid var(--border); border-top-color: var(--accent);
           border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* --- app shell --- */
.app { height: 100%; display: grid; grid-template-rows: auto 1fr; }
header { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 10px 20px;
         background: var(--panel); border-bottom: 1px solid var(--border); }
header h1 { font-size: 17px; margin: 0 4px 0 0; }
header .meta { color: var(--muted); font-size: 13px; }
header .spacer { flex: 1; }
header .who { color: var(--muted); font-size: 12px; }
input[type=search], select { font: inherit; padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px;
                             background: var(--panel); color: var(--text); }
input[type=search] { width: 260px; }
#event { max-width: 220px; }
.btn { font: inherit; padding: 6px 12px; border-radius: 6px; border: 1px solid var(--accent); background: var(--accent);
       color: #fff; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--muted); border-color: var(--border); }
.chip { border: 1px solid var(--border); background: var(--panel); color: var(--muted); padding: 4px 10px;
        border-radius: 999px; cursor: pointer; font: inherit; font-size: 12px; }
.chip.on { background: var(--accent-soft); color: var(--accent); border-color: transparent; font-weight: 600; }

.layout { display: grid; grid-template-columns: 380px 1fr; min-height: 0; }
.list { overflow: auto; border-right: 1px solid var(--border); background: var(--panel); }
.card { display: grid; grid-template-columns: 48px 1fr auto; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--border);
        cursor: pointer; align-items: center; }
.card:hover { background: var(--bg); }
.card.active { background: var(--accent-soft); }
.av { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; background: var(--accent-soft);
      display: grid; place-items: center; color: var(--accent); font-weight: 600; overflow: hidden; }
.card .n { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card .h { font-size: 12px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card .ch { font-size: 11px; color: var(--muted); margin-top: 2px; }
.card .stg { font-size: 10px; text-transform: uppercase; letter-spacing: .04em; margin-left: 4px; }
.star { background: none; border: 0; font-size: 18px; cursor: pointer; color: var(--border); padding: 0 2px; }
.star.on { color: var(--star); }
.star .cnt { font-size: 11px; color: var(--muted); vertical-align: middle; }

.detail { overflow: auto; padding: 24px 32px; }
.top { display: flex; gap: 20px; align-items: flex-start; }
.top .av { width: 140px; height: 140px; border-radius: 12px; font-size: 40px; flex: none; }
.top h2 { margin: 0; font-size: 22px; }
.top .sub { color: var(--muted); }
.links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 28px 0 8px; }
.box { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px; margin-bottom: 10px; }
.box.me { background: var(--me); }
.box .hd { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.box .body { white-space: pre-wrap; overflow-wrap: anywhere; }
.entry { padding: 8px 0; border-bottom: 1px solid var(--border); }
.entry:last-child { border: 0; }
.entry .l0 { font-weight: 600; }
.entry .ln { color: var(--muted); font-size: 13px; }
.entry .desc { font-size: 13px; white-space: pre-wrap; margin-top: 4px; }
.pill { display: inline-block; font-size: 11px; padding: 1px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); margin-right: 4px; }
.files a, .files span { display: inline-block; margin-right: 12px; cursor: pointer; }
.files span.na { color: var(--muted); cursor: default; }
.review { display: grid; grid-template-columns: auto 1fr; gap: 8px 12px; align-items: start; }
.review label { color: var(--muted); font-size: 12px; padding-top: 6px; }
.review .saved { grid-column: 2; font-size: 12px; color: var(--muted); min-height: 18px; }
textarea { width: 100%; min-height: 90px; font: inherit; padding: 8px; border: 1px solid var(--border); border-radius: 6px;
           background: var(--panel); color: var(--text); resize: vertical; }
.empty { color: var(--muted); padding: 40px; }
.toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--danger); color: #fff;
         padding: 8px 14px; border-radius: 8px; font-size: 13px; max-width: calc(100% - 32px); }

@media (max-width: 800px) {
  .app { display: block; height: auto; }
  header { padding: 10px 16px; }
  .layout { grid-template-columns: 1fr; }
  .list { max-height: 45vh; border-right: 0; border-bottom: 1px solid var(--border); }
  .detail { padding: 16px; }
  input[type=search], #event { width: 100%; max-width: none; }
  .top { flex-direction: column; }
}