:root {
  --bg: #0a0a0c;
  --bg-elev: #121217;
  --bg-elev-2: #1a1a22;
  --border: #23232c;
  --border-strong: #34343f;
  --text: #e7e7ee;
  --text-dim: #9a9aaa;
  --muted: #6e6e7a;
  --accent: #00d4aa;
  --accent-dim: #017a64;
  --warn: #ffb547;
  --bad: #ff5470;
  --good: #67e8b6;
  --link: #7ec8ff;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: rgba(10,10,12,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pulse-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(0,212,170,0.6); }
  70%  { box-shadow: 0 0 0 10px rgba(0,212,170,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,212,170,0); }
}

.brand-name {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.brand-sub {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-left: 8px;
}

.tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 13px;
}
.tab:hover { color: var(--text); background: var(--bg-elev); }
.tab.active {
  color: var(--accent);
  border-color: var(--border-strong);
  background: var(--bg-elev);
}

.searchwrap {
  margin-left: auto;
  flex-grow: 0;
}
#searchbox {
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 13px;
  min-width: 280px;
  font-family: var(--sans);
}
#searchbox:focus { outline: none; border-color: var(--accent-dim); }

.status {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

.view { display: none; }
.view.active { display: block; }

.section-title {
  font-size: 17px;
  font-weight: 600;
  margin: 24px 0 12px;
  letter-spacing: -0.01em;
}
.section-title .muted {
  font-weight: 400;
  font-size: 13px;
  color: var(--muted);
  margin-left: 8px;
}
.muted { color: var(--muted); }

.stats-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 8px;
}
.stat-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: 8px;
}
.stat-card .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 6px;
}
.stat-card .value {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
}
.stat-card .sub {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

.hero {
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 24px;
  margin: 8px 0 24px;
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 24px;
  cursor: pointer;
  transition: border-color 0.15s;
}
.hero:hover { border-color: var(--accent-dim); }
.hero .hero-meta { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.hero h3 {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 12px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.hero p {
  color: var(--text-dim);
  margin: 0;
  font-size: 14px;
}
.hero .upvote-badge {
  background: var(--accent);
  color: #002820;
  padding: 4px 10px;
  border-radius: 4px;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 13px;
}
.hero .thumb {
  background: var(--bg-elev-2);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
}
.hero .thumb img { width: 100%; height: auto; display: block; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
}
.card h4 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.005em;
}
.card .ai-summary {
  font-size: 12.5px;
  color: var(--text-dim);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card .row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  flex-wrap: wrap;
}
.card .chip {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-dim);
}
.card .upvotes {
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 600;
}
.card .delta-pos {
  color: var(--good);
  font-family: var(--mono);
  font-weight: 600;
}

.filter-row {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
}
.filter-row label {
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}
.filter-row select {
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 12px;
  font-family: var(--sans);
}

.table-wrap {
  overflow-x: auto;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
thead th {
  background: var(--bg-elev-2);
  text-align: left;
  padding: 10px 14px;
  font-weight: 600;
  border-bottom: 1px solid var(--border-strong);
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
tbody tr { cursor: pointer; transition: background 0.15s; }
tbody tr:hover { background: var(--bg-elev-2); }
.w-rank { width: 40px; color: var(--muted); font-family: var(--mono); }
.w-org  { width: 180px; }
.w-num  { width: 90px; text-align: right; font-family: var(--mono); }
.w-date { width: 110px; color: var(--muted); font-family: var(--mono); font-size: 12px; }

.firehose-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.firehose-list li {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 10px 14px;
  margin-bottom: 6px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 13px;
}
.firehose-list li:hover { border-color: var(--border-strong); }
.firehose-list .cat {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  min-width: 56px;
}
.firehose-list .date {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-left: auto;
  white-space: nowrap;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.kw-chip {
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  padding: 6px 12px;
  border-radius: 18px;
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
}
.kw-chip:hover { border-color: var(--accent-dim); color: var(--accent); }
.kw-chip .count {
  color: var(--muted);
  margin-left: 6px;
  font-size: 11px;
}

.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 100;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
  overflow-y: auto;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  max-width: 800px;
  width: 100%;
  padding: 28px 32px;
  box-shadow: var(--shadow);
  position: relative;
}
.modal-close {
  position: absolute;
  top: 12px; right: 12px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
  width: 32px; height: 32px;
  border-radius: 4px;
}
.modal-close:hover { background: var(--bg-elev-2); color: var(--text); }
.modal h2 {
  margin: 0 0 12px;
  font-size: 19px;
  line-height: 1.3;
}
.modal .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.modal .summary {
  font-size: 13.5px;
  color: var(--text-dim);
  white-space: pre-wrap;
  max-height: 240px;
  overflow-y: auto;
  padding-right: 8px;
  margin-bottom: 16px;
}
.modal .keywords-row {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px;
}
.modal .btn {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 5px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-size: 12px;
  margin-right: 8px;
}
.modal .btn:hover { border-color: var(--accent-dim); }
.modal .sparkline-wrap {
  margin-top: 16px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elev-2);
}
.modal .sparkline-wrap .label {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

footer {
  max-width: 1280px;
  margin: 64px auto 32px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.empty {
  padding: 48px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 800px) {
  .topbar { padding: 10px 14px; gap: 10px; }
  main { padding: 16px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .hero { grid-template-columns: 1fr; }
  .hero .thumb { order: -1; }
  .searchwrap { order: 10; flex: 1 1 100%; }
  #searchbox { min-width: 0; width: 100%; }
  .tabs { order: 5; flex: 1 1 100%; }
}