:root {
  --bg: #0d1117;
  --bg-panel: #161b22;
  --bg-card: #1c2330;
  --border: #2b3442;
  --text: #e6edf3;
  --text-dim: #8b98a9;
  --accent: #4f8ef7;
  --up: #f04452;   /* 국내 증시 관례: 상승=빨강 */
  --down: #3182f6; /* 하락=파랑 */
  --warn: #d29922;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

#app { max-width: 1280px; margin: 0 auto; padding: 20px 24px 48px; }

/* ── 상단 바 ─────────────────────────── */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 0 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar h1 { font-size: 20px; font-weight: 700; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.updated-at { color: var(--text-dim); font-size: 12px; }

.badge {
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.badge-mock { color: var(--warn); border-color: var(--warn); }
.badge-real { color: var(--up); border-color: var(--up); }
.badge-demo { color: var(--text-dim); border-color: var(--text-dim); }
.badge-loading { color: var(--text-dim); }

.btn {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}
.btn:hover { background: #232c3d; }
.btn:disabled { opacity: 0.5; cursor: wait; }

/* ── 배너 ────────────────────────────── */
.banner {
  background: rgba(210, 153, 34, 0.12);
  border: 1px solid rgba(210, 153, 34, 0.5);
  color: #e3c078;
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 16px;
}
.banner-error {
  background: rgba(240, 68, 82, 0.1);
  border-color: rgba(240, 68, 82, 0.5);
  color: #f28b94;
}
.hidden { display: none; }

/* ── 요약 카드 ───────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
}
.card-label { font-size: 13px; color: var(--text-dim); margin-bottom: 6px; }
.card-value { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
.card-sub { font-size: 12px; color: var(--text-dim); margin-top: 6px; }

.pos { color: var(--up); }
.neg { color: var(--down); }
.zero { color: var(--text-dim); }

/* ── 패널 / 차트 ─────────────────────── */
.charts {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 14px;
  margin-bottom: 20px;
}
@media (max-width: 900px) { .charts { grid-template-columns: 1fr; } }

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
}
.panel h2 { font-size: 15px; font-weight: 600; margin-bottom: 14px; }
.chart-box { position: relative; height: 300px; }

/* ── 테이블 ──────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: left; white-space: nowrap; }
thead th {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 12px;
  border-bottom: 1px solid var(--border);
}
tbody tr { border-bottom: 1px solid rgba(43, 52, 66, 0.5); }
tbody tr:hover { background: rgba(79, 142, 247, 0.05); }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.empty { text-align: center; color: var(--text-dim); padding: 32px; }

.rate-pill {
  display: inline-block;
  min-width: 64px;
  text-align: right;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* ── 푸터 ────────────────────────────── */
.footer { margin-top: 28px; color: var(--text-dim); font-size: 12px; }
.footer p + p { margin-top: 4px; }