:root{--bg:#f6f7f9;--panel:#ffffff;--border:#e5e7eb;--text:#1f2937;--muted:#6b7280;--primary:#2563eb;--low:#b45309;--low-bg:#fef3c7;--out:#b91c1c;--out-bg:#fee2e2}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Apple SD Gothic Neo,Malgun Gothic,sans-serif;font-size:14px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:var(--panel);border-bottom:1px solid var(--border)}.nav-inner{max-width:1080px;margin:0 auto;padding:0 20px;height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px}.nav-brand{font-size:16px;font-weight:800;color:var(--text);text-decoration:none;white-space:nowrap}.nav-links-desktop{display:flex;align-items:center;gap:4px}.nav-link{padding:8px 12px;border-radius:8px;color:var(--muted);text-decoration:none;font-size:14px;font-weight:600;white-space:nowrap}.nav-link:hover{background:var(--bg);color:var(--primary)}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:0;border:1px solid var(--border);border-radius:8px;background:var(--panel);cursor:pointer}.nav-toggle-bar{display:block;width:20px;height:2px;margin:0 auto;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}.nav-toggle.open .nav-toggle-bar:first-child{transform:translateY(7px) rotate(45deg)}.nav-toggle.open .nav-toggle-bar:nth-child(2){opacity:0}.nav-toggle.open .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-links-mobile{display:none}@media (max-width:768px){.nav-links-desktop{display:none}.nav-toggle{display:flex}.nav-links-mobile.open{display:flex;flex-direction:column;padding:8px 12px 12px;border-top:1px solid var(--border);gap:2px}.nav-links-mobile .nav-link{padding:12px}}.page{max-width:1080px;margin:0 auto;padding:32px 20px 64px}.page-head h1{margin:0 0 4px;font-size:22px}.page-sub{margin:0;color:var(--muted)}.filter{display:flex;align-items:flex-end;gap:12px;margin:24px 0 16px;padding:16px;background:var(--panel);border:1px solid var(--border);border-radius:10px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:12px;color:var(--muted)}.field input{padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px}.btn{padding:9px 20px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}.btn:disabled{opacity:.55;cursor:default}.alert{padding:12px 14px;background:var(--out-bg);color:var(--out);border:1px solid #fecaca;border-radius:8px;margin-bottom:16px}.hint{color:var(--muted);padding:40px 0;text-align:center}.ss-wrap{margin-bottom:16px}.ss-range{color:var(--muted);margin:0 0 10px}.ss-cards{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px}.ss-card{display:flex;flex-direction:column;gap:4px;padding:16px;background:var(--panel);border:1px solid var(--border);border-radius:10px}.ss-value{font-size:26px;font-weight:700}.ss-label{font-size:12px;color:var(--muted)}.ss-card-low .ss-value{color:var(--low)}.ss-card-out .ss-value{color:var(--out)}.tabs{display:flex;gap:8px;margin:20px 0 12px}.tab{padding:8px 14px;background:var(--panel);border:1px solid var(--border);border-radius:999px;cursor:pointer;font-size:13px;color:var(--muted)}.tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.st-table-wrap{overflow-x:auto;background:var(--panel);border:1px solid var(--border);border-radius:10px}.st-table{width:100%;border-collapse:collapse;min-width:760px}.st-table td,.st-table th{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap}.st-table th{font-size:12px;color:var(--muted);background:#fafafa}.st-table tbody tr:last-child td{border-bottom:none}.st-num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.st-product{display:flex;align-items:center;gap:10px}.st-thumb{width:36px;height:36px;border-radius:6px;object-fit:cover;background:#f0f0f0;flex-shrink:0}.st-thumb-empty{display:inline-block}.st-names{display:flex;flex-direction:column}.st-product-link{font-weight:700;color:var(--primary);text-decoration:none}.st-product-link:hover{text-decoration:underline}.st-option{font-size:12px;color:var(--muted)}.st-badge{display:inline-block;min-width:40px;padding:2px 8px;border-radius:999px;background:#f1f5f9;font-weight:600;text-align:center}.st-badge-low{background:var(--low-bg);color:var(--low)}.st-badge-out{background:var(--out-bg);color:var(--out)}.st-row-low{background:#fffbeb}.st-row-out{background:#fef2f2}.st-empty{padding:40px;text-align:center;color:var(--muted)}