:root {
  --bg: #0f1419;
  --panel: #16202a;
  --panel-2: #1c2935;
  --border: #2a3947;
  --text: #e7edf3;
  --muted: #8b98a5;
  --accent: #1d9bf0;
  --chip: #243341;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f9fa;
    --panel: #ffffff;
    --panel-2: #f0f3f5;
    --border: #e1e8ed;
    --text: #0f1419;
    --muted: #536471;
    --accent: #1d9bf0;
    --chip: #eef3f6;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo",
    "Noto Sans KR", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 5;
}
.topbar h1 { font-size: 20px; margin: 0; }
.meta { color: var(--muted); font-size: 13px; }

.controls {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  padding: 16px 24px;
}
.tabs { display: flex; gap: 4px; background: var(--panel-2); border-radius: 999px; padding: 4px; }
.tab {
  border: 0; background: transparent; color: var(--muted);
  padding: 8px 18px; border-radius: 999px; cursor: pointer; font-size: 14px; font-weight: 600;
}
.tab.active { background: var(--accent); color: #fff; }
.search {
  flex: 1; min-width: 220px;
  background: var(--panel); border: 1px solid var(--border); color: var(--text);
  padding: 10px 14px; border-radius: 10px; font-size: 14px;
}

.layout { display: flex; gap: 24px; padding: 0 24px 48px; align-items: flex-start; }
.sidebar {
  width: 210px; flex-shrink: 0; position: sticky; top: 80px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 12px;
}
.filter-title { font-size: 12px; text-transform: uppercase; color: var(--muted); margin: 4px 6px 10px; letter-spacing: .04em; }
.cat-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.cat-list li {
  display: flex; justify-content: space-between; gap: 8px;
  padding: 7px 10px; border-radius: 8px; cursor: pointer; font-size: 14px; color: var(--text);
}
.cat-list li:hover { background: var(--panel-2); }
.cat-list li.active { background: var(--accent); color: #fff; }
.cat-list li .n { color: var(--muted); font-size: 12px; }
.cat-list li.active .n { color: #e7f4ff; }

main { flex: 1; min-width: 0; }
.count { color: var(--muted); font-size: 13px; margin: 4px 2px 14px; }
.active-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.active-tags .pill {
  background: var(--accent); color: #fff; border: 0; border-radius: 999px;
  padding: 4px 12px; font-size: 12px; cursor: pointer;
}

.grid { display: flex; flex-direction: column; gap: 0; }
.card {
  background: transparent; border: 0; border-bottom: 1px solid var(--border);
  border-radius: 0; padding: 20px 2px; display: flex; flex-direction: column; gap: 8px;
}
.card:last-child { border-bottom: 0; }
.card .head { display: flex; align-items: center; gap: 7px; font-size: 13px; }
.card .author { font-weight: 600; color: var(--text); }
.card .handle, .card .date { color: var(--muted); font-size: 12px; }
.card .cat {
  margin-left: auto; font-size: 11px; background: transparent; color: var(--muted);
  border: 1px solid var(--border); padding: 2px 9px; border-radius: 999px; white-space: nowrap;
}
.card .summary { font-size: 15.5px; font-weight: 650; color: var(--text); line-height: 1.5; letter-spacing: -0.01em; }
.invest {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  background: var(--panel-2); border-radius: 8px; padding: 6px 10px; font-size: 13px;
}
.invest .stance { font-weight: 700; white-space: nowrap; }
.invest .stance.bullish { color: #16a34a; }
.invest .stance.bearish { color: #dc2626; }
.invest .assets { display: flex; flex-wrap: wrap; gap: 4px; }
.invest .asset {
  font-size: 12px; font-weight: 700; background: var(--accent); color: #fff;
  padding: 1px 8px; border-radius: 6px;
}
.invest .thesis { color: var(--text); }

.invest-toggle {
  border: 1px solid var(--border); background: var(--panel); color: var(--muted);
  padding: 8px 14px; border-radius: 999px; cursor: pointer; font-size: 14px; font-weight: 600;
}
.invest-toggle.active { background: #16a34a; color: #fff; border-color: #16a34a; }
.card .text {
  font-size: 14px; line-height: 1.6; color: var(--muted);
  white-space: pre-wrap; word-break: break-word;
}
.card .text.clamp {
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical;
  overflow: hidden;
}
.card .more {
  align-self: flex-start; background: none; border: 0; color: var(--accent);
  font-size: 13px; cursor: pointer; padding: 0; font-weight: 600;
}
.card .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }
.card .tag {
  font-size: 12px; background: transparent; color: var(--muted);
  border: 1px solid var(--border); padding: 2px 10px; border-radius: 999px; cursor: pointer;
  transition: color .12s, border-color .12s;
}
.card .tag:hover { color: var(--accent); border-color: var(--accent); }
.card .foot { font-size: 12px; margin-top: 2px; }
.card .foot a { color: var(--muted); text-decoration: none; }
.card .foot a:hover { color: var(--accent); }

.empty { text-align: center; color: var(--muted); padding: 60px 0; }

@media (max-width: 720px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; position: static; }
}