:root {
  --bg: #0d0f13;
  --panel: #151922;
  --panel-2: #1b2029;
  --line: #262c3a;
  --text: #e6e8ee;
  --soft: #c9cfdb;
  --muted: #8a93a6;
  --accent: #4f8cff;
  --up: #e0463a;
  --down: #2f6fe0;
  --warn: #f0a13a;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; background: var(--panel-2); padding: 1px 5px; border-radius: 4px; font-size: .92em; }
[hidden] { display: none !important; }
h1 { font-size: 22px; margin: 0 0 12px; letter-spacing: -.01em; }
h2 { font-size: 16px; margin: 0; }
h3 { font-size: 14px; margin: 0 0 8px; color: var(--soft); }
.muted { color: var(--muted); }
.small { font-size: 12px; font-weight: 400; }
.up { color: var(--up); }
.down { color: var(--down); }

/* 상단·하단 */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 20px; border-bottom: 1px solid var(--line); background: #0b0d11;
  position: sticky; top: 0; z-index: 10;
}
.brand { color: var(--text); font-weight: 700; font-size: 16px; }
.brand span { color: var(--muted); font-weight: 500; }
.brand:hover { text-decoration: none; }
.topbar nav { display: flex; gap: 16px; align-items: center; }
.topbar nav a { color: var(--soft); }
.topbar form { margin: 0; }
.linkish { background: none; border: 0; color: var(--muted); cursor: pointer; font: inherit; padding: 0; }
main { max-width: 1200px; margin: 0 auto; padding: 24px 20px 40px; }
body.wide main { max-width: none; padding: 12px 16px 16px; }
.foot { text-align: center; color: #5d6577; font-size: 12px; padding: 14px; border-top: 1px solid var(--line); }

.nav-login { background: var(--accent); border-color: var(--accent); color: #fff; padding: 4px 12px; cursor: pointer; font-weight: 600; }
.noscript { margin: 0; padding: 8px 20px; background: #2a2110; color: var(--warn); font-size: 13px; }

/* 로그인 창 */
.login-dialog {
  width: min(400px, calc(100vw - 32px)); padding: 22px; color: var(--text);
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 20px 60px rgba(0, 0, 0, .6);
}
.login-dialog::backdrop { background: rgba(5, 7, 10, .72); }
.login-dialog h2 { font-size: 18px; }
.login-dialog p { margin: 0; }
.login-dialog .close { position: absolute; top: 8px; right: 10px; background: none; border: 0; font-size: 20px; color: var(--muted); cursor: pointer; }
label.check { flex-direction: row; align-items: flex-start; gap: 8px; font-size: 13px; }
label.check input { margin-top: 3px; padding: 0; }
.linkish.small { align-self: center; }
button:disabled { opacity: .6; cursor: default; }
button.danger { background: #3a1c1c; border-color: #6e2b2b; color: #ffb4ab; cursor: pointer; }

/* 안내 문서 */
.card.narrow p + p, .card.narrow form { margin-top: 12px; }
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { font-size: 15px; margin: 20px 0 6px; }
.card.prose p { margin: 0 0 6px; }
.prose li { color: var(--soft); }

/* 카드·패널 */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.card p { margin: 0; color: var(--soft); }
.card.narrow { max-width: 420px; margin: 8vh auto; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat .label { color: var(--muted); font-size: 12px; }
.stat strong { font-size: 22px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.panel-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.two { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 16px 24px; margin-top: 12px; }
.chart { height: 240px; }
.chart.tall { height: 420px; }
.note { color: var(--muted); font-size: 12px; margin: 10px 0 0; }
.notes { margin: 10px 0 0; padding-left: 18px; color: var(--soft); }
.notes li { margin: 6px 0; }
.badge { font-size: 12px; font-weight: 500; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; vertical-align: middle; }
.empty { color: var(--muted); padding: 24px 0; text-align: center; margin: 0; }

/* 표 */
.table-wrap { overflow-x: auto; }
table.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
.grid th, .grid td { padding: 6px 8px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
.grid th { color: var(--muted); font-weight: 500; }
.grid .num { text-align: right; font-variant-numeric: tabular-nums; }

/* 폼 */
.stack { display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 4px; color: var(--soft); }
input, select, button { font: inherit; color: var(--text); background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 7px 10px; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; cursor: pointer; font-weight: 600; }
.error { color: #ff7b72; }
.warn { color: var(--warn); }

/* 시장 지도 */
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-bottom: 4px; }
.toolbar h1 { margin: 0 8px 0 0; font-size: 18px; }
.toolbar label { flex-direction: row; align-items: center; gap: 6px; font-size: 13px; }
.toolbar select { padding: 4px 8px; }
.legend { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.legend i { display: inline-block; width: 120px; height: 10px; border-radius: 3px; }
.map-wrap { position: relative; }
.heatmap { height: calc(100vh - 150px); min-height: 480px; background: #0b0d11; border-radius: 8px; }
.detail {
  position: absolute; top: 0; right: 0; width: min(380px, 100%); max-height: 100%; overflow: auto;
  background: rgba(21, 25, 34, .97); border: 1px solid var(--line); border-radius: 10px; padding: 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .5);
}
.detail h2 { font-size: 18px; padding-right: 24px; }
.detail .close { position: absolute; top: 8px; right: 8px; background: none; border: 0; font-size: 20px; color: var(--muted); cursor: pointer; }
.stats { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 12px 0; font-size: 13px; }
.stats dt { color: var(--muted); }
.stats dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.mini-chart { height: 230px; }

.d-head { font-size: 13px; margin: 16px 0 6px; color: var(--soft); }
.news-list { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.news-list li { display: flex; flex-direction: column; gap: 2px; padding: 7px 0; border-top: 1px solid var(--line); }
.news-list a { color: var(--text); line-height: 1.4; }
.news-list a:hover { color: var(--accent); }

/* 커뮤니티 */
.post { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin: 10px 0; }
.post header { font-size: 13px; margin-bottom: 6px; display: flex; gap: 8px; flex-wrap: wrap; align-items: baseline; }
.post .body { white-space: pre-wrap; word-break: break-word; }
.prediction { margin: 8px 0 0; font-size: 13px; color: var(--warn); }
.notes.small li { margin: 4px 0; }
.post.reply { margin-left: 28px; border-left: 3px solid var(--line); }
.section-title { font-size: 14px; margin: 18px 0 4px; color: var(--soft); }
td.wrap { white-space: normal; min-width: 180px; max-width: 420px; }
td.actions { white-space: nowrap; }
td.actions form { display: inline-block; margin: 2px; }
.small-btn { padding: 3px 8px; font-size: 12px; cursor: pointer; }

/* 첫 화면 아래 설명 — 검색엔진이 읽는 본문 */
.intro { max-width: 760px; margin: 20px auto 0; color: var(--soft); }
.intro h2 { font-size: 15px; margin: 16px 0 6px; color: var(--soft); }
.intro p { margin: 0 0 6px; }
.intro .notes { margin-top: 4px; }

/* AI 에이전트 운영자 확인 · 내가 운영하는 에이전트 */
.card.narrow.wide { max-width: 560px; }
.card.narrow.operated { margin-top: 0; }
.stats.left dd { text-align: left; }
.quote { white-space: pre-wrap; word-break: break-word; background: var(--panel-2); border-radius: 6px; padding: 8px 10px; margin: 4px 0 10px; }
.row-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.card.narrow .row-actions form, .card.narrow .agent-list form { margin: 0; }
.agent-list { list-style: none; margin: 10px 0 0; padding: 0; }
.agent-list li { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 8px 0; border-top: 1px solid var(--line); }

@media (max-width: 640px) {
  .two { grid-template-columns: 1fr; }
  .topbar { padding: 10px 12px; }
  .topbar nav { gap: 10px; font-size: 13px; }
  .heatmap { height: 70vh; }
}