/* ══════════════════════════════════════════════
   시장 분석 (섹터) 탭
══════════════════════════════════════════════ */
.sector-heatmap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.sector-cell {
  border-radius: 10px;
  padding: 16px 12px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.15s, box-shadow 0.15s;
  cursor: default;
}
.sector-cell:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.3); }
.sector-cell-etf {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}
.sector-cell-name {
  font-size: 10.5px;
  color: rgba(255,255,255,0.7);
  margin: 3px 0 8px;
}
.sector-cell-val {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 800;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

/* 섹터 모멘텀 카드 */
.sector-momentum-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}
.sector-momentum-card.momentum-accel { border-left: 3px solid var(--green); }
.sector-momentum-card.momentum-decel { border-left: 3px solid var(--red); }
.sector-momentum-card.momentum-stable { border-left: 3px solid var(--text3); }
.momentum-header {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  color: var(--text);
}
.momentum-icon { font-size: 14px; }
.momentum-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 11px;
  border-bottom: 1px solid var(--border);
}
.momentum-item:last-child { border-bottom: none; }
.momentum-etf {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text);
  min-width: 40px;
}
.momentum-name {
  color: var(--text2);
  min-width: 50px;
}
.momentum-vals {
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--text2);
  font-size: 10px;
}

@media (max-width: 768px) {
  .sector-heatmap { grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .sector-cell { padding: 12px 6px; }
  .sector-cell-val { font-size: 13px; }
  .sector-cell-etf { font-size: 11px; }
}

/* ══════════════════════════════════════════════
   ETF 분석 탭
══════════════════════════════════════════════ */
.etf-category-label {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text2);
  padding: 8px 0 2px;
  border-bottom: 1px solid var(--border);
  margin-top: 4px;
}
.etf-category-label:first-child { margin-top: 0; }

.etf-cat-btn {
  padding: 4px 10px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text2);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}
.etf-cat-btn:hover { border-color: var(--accent); color: var(--accent); }
.etf-cat-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.etf-cat-badge {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  color: var(--text3);
  white-space: nowrap;
}

/* 상관관계 히트맵 */
.corr-heatmap {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  font-family: var(--font-mono);
}
.corr-heatmap th {
  padding: 8px 6px;
  font-weight: 700;
  color: var(--text2);
  font-size: 11px;
  text-align: center;
}
.corr-heatmap td {
  text-align: center;
}
.corr-cell {
  padding: 10px 6px;
  font-weight: 600;
  font-size: 12px;
  border: 1px solid rgba(255,255,255,0.06);
  min-width: 52px;
}
.corr-row-label {
  text-align: right !important;
  padding-right: 10px !important;
  font-weight: 700;
  color: var(--text);
  font-size: 11px;
  white-space: nowrap;
}
.corr-name {
  font-weight: 400;
  font-size: 9px;
  color: var(--text3);
}

@media (max-width: 768px) {
  .corr-cell { min-width: 40px; padding: 8px 4px; font-size: 10px; }
  .corr-heatmap th { font-size: 9px; padding: 6px 3px; }
  .corr-row-label { font-size: 9px; }
}

/* ── ETF 초기화 버튼 ── */
.etf-reset-btn {
  margin-left: auto;
  padding: 4px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text2);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}
.etf-reset-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── ETF 상세 패널 ── */
.etf-selected { outline: 2px solid var(--accent); outline-offset: -2px; z-index: 1; }
.etf-detail-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 14px; gap: 12px;
}
.etf-detail-ticker {
  font-size: 20px; font-weight: 800; color: var(--accent);
  font-family: var(--font-mono); margin-right: 8px;
}
.etf-detail-name { font-size: 14px; font-weight: 600; color: var(--text); margin-right: 8px; }
.etf-detail-meta { font-size: 11px; color: var(--text3); }
.etf-detail-close {
  background: none; border: 1px solid var(--border); border-radius: 6px;
  color: var(--text2); font-size: 14px; padding: 2px 8px; cursor: pointer;
  flex-shrink: 0; transition: all 0.15s;
}
.etf-detail-close:hover { border-color: var(--accent); color: var(--accent); }
.etf-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 14px; }
.etf-returns-list { display: flex; flex-direction: column; gap: 4px; }
.etf-ret-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; font-family: var(--font-mono); padding: 3px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.etf-ret-row span:first-child { color: var(--text2); font-weight: 600; }
.etf-holdings-table { width: 100%; font-size: 12px; border-collapse: collapse; }
.etf-holdings-table td { padding: 3px 6px 3px 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
.etf-hold-sym { font-weight: 700; font-family: var(--font-mono); color: var(--accent); white-space: nowrap; }
.etf-hold-name { color: var(--text2); max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.etf-hold-pct { text-align: right; font-family: var(--font-mono); font-weight: 600; white-space: nowrap; }
.etf-meta-bar {
  display: flex; flex-wrap: wrap; gap: 8px 16px;
  font-size: 12px; color: var(--text2);
  padding-top: 10px; border-top: 1px solid var(--border);
}
.etf-meta-bar span { white-space: nowrap; }
.etf-meta-sectors { flex-basis: 100%; color: var(--text3); font-size: 11px; }
@media (max-width: 768px) {
  .etf-detail-grid { grid-template-columns: 1fr; }
  .etf-detail-ticker { font-size: 16px; }
  .etf-hold-name { max-width: 120px; }
}