:root{--bg:#f6f7f9;--surface:#ffffff;--border:#e6e8ec;--text:#16181d;--muted:#6b7280;--primary:#4f46e5;--primary-dark:#4338ca;--primary-soft:#eef2ff;--green:#16a34a;--green-soft:#dcfce7;--amber:#d97706;--amber-soft:#fef3c7;--red:#dc2626;--red-soft:#fee2e2;--gray-soft:#f1f3f5;--radius:12px;--shadow:0 1px 2px rgba(16,24,40,0.05),0 1px 3px rgba(16,24,40,0.06)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:#0f1115;color:#c9cdd6;padding:22px 16px;position:-webkit-sticky;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:4px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:#fff;padding:6px 8px 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var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-pad{padding:18px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:14px;gap:14px;margin-bottom:24px}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}.stat-label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em;font-weight:600}.stat-value{font-size:26px;font-weight:700;margin-top:6px}.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:8px 14px;border-radius:9px;font-weight:600;font-size:13px;cursor:pointer;transition:background .12s,border-color .12s,opacity 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input:checked+.slider:before{transform:translateX(16px)}.switch input:disabled+.slider{opacity:.5;cursor:not-allowed}.conn-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:16px;gap:16px}.conn-card{padding:20px;display:flex;flex-direction:column;gap:14px}.conn-head{display:flex;align-items:center;gap:12px}.conn-logo{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;color:#fff;font-weight:800}.banner{background:var(--primary-soft);border:1px solid #dfe3ff;color:#3730a3;padding:12px 16px;font-size:13px;margin-bottom:20px;display:flex;gap:10px;align-items:flex-start}.banner,.toast{border-radius:10px}.toast{position:fixed;bottom:24px;right:24px;background:#16181d;color:#fff;padding:12px 18px;box-shadow:0 8px 24px rgba(0,0,0,.25);font-weight:500;z-index:50;max-width:360px}.spin{display:inline-block;width:13px;height:13px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .6s linear 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ease}.switch.on{background:var(--green)}.switch:disabled{opacity:.6;cursor:default}.switch-knob{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .18s ease}.switch.on .switch-knob{transform:translateX(22px)}.switch .spin{width:12px;height:12px;border-width:2px}@media (max-width:860px){.shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center}.nav-spacer,.sidebar-foot{display:none}.depop-config-grid,.editor-grid,.field-row{grid-template-columns:1fr}}