:root {
  --bg:          #0a0a0a;
  --bg-elev-1:   #131318;
  --bg-elev-2:   #1b1b22;
  --border:      #262633;
  --text:        #e8e8e8;
  --text-muted:  #8a8aa0;
  --primary:     #7c5cff;
  --primary-2:   #a08cff;
  --positive:    #22c55e;
  --negative:    #ef4444;
  --warn:        #f59e0b;
  --info:        #38bdf8;
  --shadow:      0 6px 24px rgba(0,0,0,.45);
  --radius:      12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji";
  font-size: 14.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1180px; margin: 0 auto; padding: 24px 18px 80px; }

/* ------------------ topbar ------------------ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: linear-gradient(180deg, #16161e 0%, #0c0c12 100%);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.logo { font-size: 22px; }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: 0.2px; }
.brand-tag { color: var(--text-muted); font-size: 12.5px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.muted { color: var(--text-muted); }
.small { font-size: 12.5px; }

/* ------------------ buttons ------------------ */
.btn {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 13.5px;
  cursor: pointer;
  font-weight: 600;
  transition: filter .12s, transform .06s;
}
.btn:hover { filter: brightness(1.1); }
.btn:active { transform: translateY(1px); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

/* ------------------ stats strip --------------- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}
.stat {
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  min-height: 78px;
}
.stat-label { color: var(--text-muted); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-value { font-size: 22px; font-weight: 700; margin-top: 4px; }
.stat-value .sub { font-size: 13px; color: var(--text-muted); font-weight: 500; }

/* ------------------ cards ------------------ */
.card {
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.015);
}
.card-head h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.1px;
}

/* ------------------ leaderboard --------------- */
.leaderboard { padding: 4px 6px 12px; }
.row {
  display: grid;
  grid-template-columns: 40px 1.6fr 0.9fr 0.8fr 1.0fr 0.7fr 26px;
  gap: 10px;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .1s;
}
.row:last-child { border-bottom: none; }
.row:hover { background: var(--bg-elev-2); }
.row.head {
  cursor: default;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  background: transparent;
}
.row.head:hover { background: transparent; }
.rank { font-variant-numeric: tabular-nums; color: var(--text-muted); }
.lab-name { font-weight: 600; }
.lab-blurb { color: var(--text-muted); font-size: 12px; margin-top: 2px; }
.mojo-cell { font-variant-numeric: tabular-nums; font-size: 16px; font-weight: 700; color: var(--primary-2); }
.delta { font-size: 12.5px; margin-left: 6px; font-weight: 600; }
.delta.up { color: var(--positive); }
.delta.dn { color: var(--negative); }
.delta.flat { color: var(--text-muted); }
.silence-cell, .events-cell { font-variant-numeric: tabular-nums; }
.last-event-cell { font-size: 12.5px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.last-event-cell .badge { margin-right: 6px; }

.expanded {
  grid-column: 1 / -1;
  padding: 0 18px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev-2);
}
.expanded ul { list-style: none; padding: 8px 0 0; margin: 0; }
.expanded li { padding: 6px 0; font-size: 13px; display: flex; gap: 8px; align-items: baseline; }
.expanded li .when { color: var(--text-muted); font-size: 12px; min-width: 110px; }

/* ------------------ chart ------------------ */
.chart-wrap { padding: 14px 18px 18px; }

/* ------------------ feed ------------------ */
.feed { padding: 4px 0 0; }
.feed-row {
  display: grid;
  grid-template-columns: 28px 110px 1fr 80px;
  gap: 10px;
  padding: 9px 18px;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.feed-row:last-child { border-bottom: none; }
.feed-icon { font-size: 14px; }
.feed-lab { font-size: 12px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.feed-title a { color: var(--text); }
.feed-title a:hover { color: var(--primary-2); text-decoration: underline; }
.feed-when { color: var(--text-muted); font-size: 12px; text-align: right; white-space: nowrap; }

.feed-foot { padding: 12px 18px 18px; text-align: center; }

.filter-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
}
.chip:hover { color: var(--text); }
.chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.badge {
  display: inline-block;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 7px;
  font-size: 11px;
  color: var(--text-muted);
  vertical-align: middle;
}
.badge.model_release   { color: var(--info); }
.badge.github_release  { color: var(--positive); }
.badge.blog_post       { color: var(--primary-2); }
.badge.arxiv_paper     { color: var(--warn); }
.badge.hn_front_page   { color: var(--negative); border-color: var(--negative); }
.badge.hn_story        { color: var(--text-muted); }
.badge.github_push_burst { color: var(--primary); }

.empty { padding: 20px 18px; color: var(--text-muted); font-style: italic; }

/* ------------------ quiet list --------------- */
.quiet-list { padding: 4px 0 4px; }
.quiet-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 8px 18px;
  border-bottom: 1px solid var(--border);
}
.quiet-row:last-child { border-bottom: none; }

/* ------------------ footer ------------------ */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elev-1);
  margin-top: 30px;
  padding: 28px 18px;
}
.footer-cols {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.footer h4 { margin: 0 0 8px; font-size: 13px; letter-spacing: 0.4px; text-transform: uppercase; color: var(--text-muted); }
.footer p { margin: 0; font-size: 13px; color: var(--text); }
.footer ul { margin: 0; padding-left: 16px; font-size: 13px; }
.footer-bottom {
  max-width: 1180px;
  margin: 22px auto 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
}
code { background: var(--bg-elev-2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }

/* ------------------ modal ------------------ */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}
.modal-backdrop.hidden { display: none; }
.modal {
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: min(720px, 92vw);
  max-height: 86vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.modal-head h3 { margin: 0; }
.modal-body { padding: 14px 18px; overflow-y: auto; }
.bd-row {
  display: grid;
  grid-template-columns: 100px 50px 1fr 90px 60px;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 13px;
}
.bd-row:last-child { border-bottom: none; }
.bd-row .num { font-variant-numeric: tabular-nums; text-align: right; color: var(--primary-2); }

/* ------------------ responsive --------------- */
@media (max-width: 720px) {
  .stats-strip { grid-template-columns: 1fr 1fr; }
  .row {
    grid-template-columns: 30px 1.2fr 0.8fr 0.7fr 26px;
  }
  .row .events-cell, .row .last-event-cell { display: none; }
  .footer-cols { grid-template-columns: 1fr; }
  .feed-row { grid-template-columns: 22px 1fr 70px; }
  .feed-row .feed-lab { display: none; }
}