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14px;border-radius:8px;border:1.5px solid #d1d5db;background:#f9fafb;font-family:'Courier New',Courier,monospace;font-size:14px;color:#111827;resize:vertical;box-sizing:border-box;outline:none;transition:border-color 0.15s;margin-bottom:0}.bkbg-stc-textarea:focus{border-color:#6c3fb5}.bkbg-stc-row{display:flex;align-items:center;gap:10px;margin:14px 0;flex-wrap:wrap}.bkbg-stc-calc-btn{padding:11px 28px;font-size:14px;font-weight:700;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:opacity 0.2s,transform 0.1s}.bkbg-stc-calc-btn:hover{opacity:.88;transform:translateY(-1px)}.bkbg-stc-calc-btn:active{transform:translateY(0)}.bkbg-stc-clear-btn{padding:11px 20px;font-size:14px;font-weight:600;color:#6b7280;background:#f3f4f6;border:1.5px solid #e5e7eb;border-radius:8px;cursor:pointer;transition:background 0.15s}.bkbg-stc-clear-btn:hover{background:#e5e7eb}.bkbg-stc-error{font-size:13px;color:#ef4444;margin-bottom:10px;min-height:18px}.bkbg-stc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}@media (max-width:520px){.bkbg-stc-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:380px){.bkbg-stc-grid{grid-template-columns:1fr}}.bkbg-stc-stat-card{border-radius:12px;padding:14px 12px;text-align:center;border-top:3px solid #fff0;transition:transform 0.15s}.bkbg-stc-stat-card:hover{transform:translateY(-2px)}.bkbg-stc-stat-lbl{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#9ca3af;margin-bottom:5px}.bkbg-stc-stat-val{font-size:22px;font-weight:800;line-height:1.1}.bkbg-stc-section-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#9ca3af;margin-bottom:12px}.bkbg-stc-histogram{display:flex;align-items:flex-end;gap:4px;height:100px;margin-bottom:6px}.bkbg-stc-hist-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px}.bkbg-stc-hist-bar{width:100%;border-radius:4px 4px 0 0;min-height:4px;transition:height 0.4s cubic-bezier(.4,0,.2,1)}.bkbg-stc-hist-lbl{font-size:10px;color:#9ca3af;white-space:nowrap}.bkbg-stc-boxplot-wrap{padding:16px 0 8px;position:relative;margin-bottom:24px}.bkbg-stc-boxplot-track{height:8px;background:#e5e7eb;border-radius:99px;position:relative;margin:16px 0 8px}.bkbg-stc-boxplot-iqr{position:absolute;top:0;height:100%;border-radius:4px}.bkbg-stc-boxplot-median{position:absolute;top:-6px;width:4px;height:20px;border-radius:2px;transform:translateX(-50%)}.bkbg-stc-boxplot-labels{display:flex;justify-content:space-between;font-size:11px;color:#6b7280;font-weight:600}.bkbg-stc-sorted{display:flex;flex-wrap:wrap;gap:6px;padding:14px;border-radius:8px;border:1.5px solid #e5e7eb;max-height:120px;overflow-y:auto}.bkbg-stc-pill{padding:3px 10px;border-radius:99px;font-size:13px;font-weight:600;background:#f3f4f6;color:#374151}.bkbg-stc-pill-outlier{background:#fee2e2;color:#dc2626}.bkbg-stc-pill-mode{color:#fff}.bkbg-stc-sep{height:1px;background:#e5e7eb;margin:20px 0}@media (max-width:600px){.bkbg-stc-card{padding:24px 16px}}