/* ── Bootstrap dark-theme 변수 오버라이드 ── */
  [data-bs-theme="dark"] {
    --bs-body-bg:              #0d1117;
    --bs-body-color:           #e6edf3;
    --bs-border-color:         #21262d;
    --bs-secondary-bg:         #161b22;
    --bs-tertiary-bg:          #161b22;
    --bs-table-color:          #e6edf3;
    --bs-table-bg:             transparent;
    --bs-table-border-color:   #21262d;
    --bs-table-hover-bg:       rgba(88,166,255,.07);
    --bs-table-hover-color:    #e6edf3;
    --bs-form-control-bg:      #21262d;
    --bs-form-control-color:   #e6edf3;
    --bs-input-bg:             #21262d;
    --bs-input-color:          #e6edf3;
    --bs-link-color:           #58a6ff;
  }
  :root {
    --bg: #0d1117; --surface: #161b22; --border: #21262d;
    --text: #e6edf3; --muted: #8b949e; --accent: #58a6ff;
    --green: #3fb950; --red: #f85149; --yellow: #d29922; --purple: #bc8cff;
  }
  * { box-sizing: border-box; }
  body { background: var(--bg) !important; color: var(--text) !important;
         font-family: 'Segoe UI', sans-serif; font-size: 14px; }

  /* 네비 / 탭 */
  .navbar-brand { font-weight: 700; letter-spacing: 1px; color: var(--accent) !important; }
  .nav-tabs .nav-link { color: var(--muted); border: none; padding: 10px 20px; }
  .nav-tabs .nav-link.active { color: var(--accent); border-bottom: 2px solid var(--accent); background: transparent; }
  .nav-tabs { border-bottom: 1px solid var(--border); }

  /* 카드 */
  .card { background: var(--surface) !important; border: 1px solid var(--border) !important; border-radius: 10px; }
  .card-title { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin-bottom: 4px; }
  .stat-val { font-size: 26px; font-weight: 700; color: var(--text); }
  .stat-val.green { color: var(--green) !important; }
  .stat-val.red   { color: var(--red)   !important; }

  /* 폼 컨트롤 */
  .form-control, .form-select, input[type=number], input[type=date] {
    background: #21262d !important; border: 1px solid #30363d !important;
    color: var(--text) !important; border-radius: 6px;
  }
  .form-control:focus, .form-select:focus, input:focus {
    background: #21262d !important; color: var(--text) !important;
    border-color: var(--accent) !important; box-shadow: none !important;
  }
  .btn-primary { background: var(--accent) !important; border: none !important; font-weight: 600; color: #0d1117 !important; }
  .btn-primary:hover { background: #79b8ff !important; }
  label, .form-label { color: var(--muted) !important; font-size: 12px; }

  /* 테이블 — Bootstrap dark theme가 대부분 처리, 남은 것만 보정 */
  .table { font-size: 12px; }
  .table td, .table th { color: var(--text) !important; border-color: var(--border) !important; padding: 6px 10px; }
  .table thead th { color: var(--muted) !important; }
  .table-responsive { max-height: 420px; overflow-y: auto; }
  .table-responsive::-webkit-scrollbar { width: 5px; }
  .table-responsive::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

  /* 배지 */
  .badge-win  { background: rgba(63,185,80,.2);   color: var(--green)  !important; padding: 2px 8px; border-radius: 20px; }
  .badge-loss { background: rgba(248,81,73,.2);   color: var(--red)    !important; padding: 2px 8px; border-radius: 20px; }
  .badge-flat { background: rgba(210,153,34,.15); color: var(--yellow) !important; padding: 2px 8px; border-radius: 20px; }
  .badge-reason { background: rgba(88,166,255,.12); color: #8b949e !important; padding: 2px 8px; border-radius: 20px; font-size: 11px; white-space: nowrap; }
  .trade-sort-bar { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 12px; }
  .trade-sort-bar .trade-sort-label { color: var(--muted); margin-right: 4px; font-weight: 600; }
  .trade-sort-btn { font-size: 11px !important; padding: 2px 8px !important; }
  .trade-sort-btn.active { background: rgba(88,166,255,.22) !important; border-color: var(--accent) !important; color: var(--accent) !important; }

  /* 스피너 */
  .spin-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.55);
                 z-index: 9999; align-items: center; justify-content: center; }
  .spin-overlay.show { display: flex; }

  .trade-db-chart-overlay {
    position: fixed; inset: 0; z-index: 10050;
    background: rgba(0,0,0,.65);
    align-items: center; justify-content: center;
    padding: 16px;
  }
  .trade-db-chart-panel {
    width: min(960px, 96vw);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 16px 12px;
    box-shadow: 0 12px 40px rgba(0,0,0,.45);
  }
  .trade-ext-links a { color: var(--accent); text-decoration: none; }
  .trade-ext-links a:hover { text-decoration: underline; }
  .spinner { width: 48px; height: 48px; border: 4px solid var(--border);
             border-top-color: var(--accent); border-radius: 50%; animation: spin .9s linear infinite; }
  @keyframes spin { to { transform: rotate(360deg); } }

  /* 기타 */
  canvas { background: transparent !important; }
  .section-title { font-size: 13px; font-weight: 600; color: var(--muted);
                   text-transform: uppercase; letter-spacing: 1px; margin: 24px 0 12px; }
  input[type=radio] { accent-color: var(--accent); }
  .ratio-bar { height: 8px; border-radius: 4px; background: var(--border); margin-top: 4px; overflow: hidden; }
  .ratio-fill-g { height: 100%; border-radius: 4px 0 0 4px; background: var(--green); display: inline-block; }
  .ratio-fill-r { height: 100%; border-radius: 0 4px 4px 0; background: var(--red);   display: inline-block; float: right; }
  .text-pnl-pos { color: var(--green) !important; }
  .text-pnl-neg { color: var(--red)   !important; }
  /* 보유·실거래 보유중 — 업비트식 틱 플래시 (표시만) */
  .live-quote-flash-up {
    animation: liveQuoteFlashUp 0.45s ease;
  }
  .live-quote-flash-down {
    animation: liveQuoteFlashDown 0.45s ease;
  }
  @keyframes liveQuoteFlashUp {
    from { background-color: rgba(63, 185, 80, 0.35); }
    to { background-color: transparent; }
  }
  @keyframes liveQuoteFlashDown {
    from { background-color: rgba(248, 81, 73, 0.35); }
    to { background-color: transparent; }
  }
  .live-quote-stale { opacity: 0.55; }
  /* 파라미터 설명 툴팁 */
  .param-help { font-size: 10px; color: var(--muted); margin-top: 2px; }
  /* 운영 설정 탭 — 최대 2열, 위에서 아래로 읽기 */
  .lc-field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 20px;
    max-width: 920px;
  }
  @media (max-width: 700px) {
    .lc-field-grid { grid-template-columns: 1fr; }
  }
  .lc-field {
    min-width: 0;
  }
  .lc-field input.form-control {
    max-width: 100%;
  }
  .lc-field-label { font-size: 12px; color: var(--muted); display: block; margin-bottom: 2px; line-height: 1.35; }
  .lc-field-hint { font-size: 10px; color: var(--muted); margin-top: 2px; line-height: 1.35; }
  .lc-field-tbl { font-size: 10px; color: #58a6ff; margin-left: 4px; }
  .lc-field-key { font-size: 10px; color: #8b949e; margin-left: 4px; font-weight: normal; }
  /* 키/테이블 태그: 평소엔 숨기고 호버 시만 — 라벨·입력에 시선 집중 */
  .lc-field-key,
  .lc-field-tbl {
    opacity: 0.35;
    transition: opacity 0.12s ease;
  }
  .lc-field:hover .lc-field-key,
  .lc-field:hover .lc-field-tbl,
  .lc-field:focus-within .lc-field-key,
  .lc-field:focus-within .lc-field-tbl {
    opacity: 1;
  }

  /* 카테고리 안 전략·주제 구역 */
  .lc-strat-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 960px;
  }
  .lc-strat-block {
    border: 1px solid var(--border);
    border-left-width: 4px;
    border-radius: 8px;
    padding: 10px 12px 12px;
    background: rgba(22, 27, 34, 0.55);
  }
  .lc-strat-head {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 8px;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    font-weight: 650;
    letter-spacing: 0.02em;
    color: var(--text);
  }
  .lc-strat-head .lc-strat-sid {
    font-size: 11px;
    font-weight: 500;
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  }
  .lc-topic-head {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    margin: 4px 0 8px;
    padding-left: 2px;
  }
  .lc-strat-common { border-left-color: #6e7681; }
  .lc-strat-short { border-left-color: #39d2c0; }
  .lc-strat-momentum { border-left-color: #d29922; }
  .lc-strat-breakout { border-left-color: #3fb950; }
  .lc-strat-updow { border-left-color: #58a6ff; }
  .lc-strat-scalp { border-left-color: #8b949e; }
  .lc-strat-range_break { border-left-color: #79c0ff; }
  .lc-strat-dbband { border-left-color: #f0883e; }
  .lc-strat-other { border-left-color: #bc8cff; }
  .lc-strat-topic { border-left-color: #6e7681; }
  .lc-strat-short .lc-strat-head { color: #39d2c0; }
  .lc-strat-momentum .lc-strat-head { color: #d29922; }
  .lc-strat-breakout .lc-strat-head { color: #3fb950; }
  .lc-strat-updow .lc-strat-head { color: #58a6ff; }
  .lc-strat-scalp .lc-strat-head { color: #c9d1d9; }
  .lc-strat-common .lc-strat-head { color: #8b949e; }

  /* OHLC 폴백 — 정합 위험 (절대규칙: 틱 모드에서 숫자 변조 금지). UI만 경고 표시 */
  .lc-field-danger,
  .bt-ohlc-fallback-danger {
    background: rgba(248, 81, 73, 0.18) !important;
    border: 1px solid rgba(248, 81, 73, 0.65) !important;
    border-radius: 6px;
    padding: 6px 10px !important;
    margin: 4px 0;
  }
  .lc-field-danger .lc-field-label,
  .bt-ohlc-fallback-danger label,
  .bt-ohlc-fallback-danger .form-check-label {
    color: #ff7b72 !important;
    font-weight: 600;
  }
  .lc-field-danger .lc-field-hint,
  .bt-ohlc-fallback-danger .bt-ohlc-fallback-warn {
    color: #ffa198 !important;
    font-size: 11px;
  }

  .ob-stamp { font-size: 10px; line-height: 1.35; }
  .ob-stamp-danger {
    color: #f85149 !important;
    font-weight: 700;
  }
  .ob-metric-ok { color: var(--green) !important; font-weight: 600; }
  .ob-metric-bad { color: var(--red) !important; font-weight: 600; }

  /* 거래표 — 정합 예외 경로(OHLC폴백·틱공백EOD 등) */
  tr.trade-row-parity-ex {
    background: rgba(248, 81, 73, 0.16) !important;
    position: relative;
  }
  tr.trade-row-parity-ex td {
    border-color: rgba(248, 81, 73, 0.35) !important;
  }
  td.trade-name-cell { position: relative; padding-top: 14px !important; }
  .parity-cause-corner {
    position: absolute;
    top: 2px;
    right: 4px;
    font-size: 9px;
    font-weight: 700;
    color: #ff7b72;
    background: rgba(248, 81, 73, 0.25);
    border: 1px solid rgba(248, 81, 73, 0.55);
    border-radius: 3px;
    padding: 0 4px;
    line-height: 1.4;
    white-space: nowrap;
    max-width: 110px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Optuna 전역/탭 프로그레스 */
  .optuna-nav-bar { min-width: 180px; }
  .optuna-nav-bar.d-none { display: none !important; }
  .optuna-prog-track {
    height: 6px; border-radius: 4px; background: var(--border); overflow: hidden;
  }
  .optuna-prog-fill {
    height: 100%; border-radius: 4px; background: var(--accent);
    transition: width .35s ease;
  }
  .optuna-prog-fill.is-done { background: var(--green); }
  .optuna-prog-fill.is-error { background: var(--red); }

  /* 오늘 운영 — 조건검색 이력(키움/LS) */
  .dash-univ-table .dash-univ-src-kiwoom { color: #58a6ff; font-weight: 600; }
  .dash-univ-table .dash-univ-src-ls { color: #bc8cff; font-weight: 600; }
  .dash-univ-table tr.dash-univ-group-start td { border-top: 2px solid var(--border); }
  .dash-univ-table tr.dash-univ-stale td { opacity: 0.85; }
  /* 전략×2행(10행)이 잘리지 않도록 — 전역 .table-responsive 420px 오버라이드 */
  .dash-univ-wrap.table-responsive { max-height: none; overflow-y: visible; }

  /* 오늘 운영 — 전략별 키움/LS 매매 두 줄 */
  .dash-ops-table .dash-univ-src-kiwoom { color: #58a6ff; font-weight: 600; }
  .dash-ops-table .dash-univ-src-ls { color: #bc8cff; font-weight: 600; }
  .dash-ops-table tr.dash-ops-group-start td { border-top: 2px solid var(--border); }
  .dash-ops-table tr.dash-ops-inactive td { opacity: 0.55; }