:root{--outer:#f4f4f3;--bg:#fff;--panel:#fff;--panel-soft:#f7f7f6;--ink:#2f2f2f;--muted:#707070;--line:#dfdfdf;--bluebar:#e6f6ff;--blue:#0091ff;--purple:#8b3ff6;--purple-soft:#f0e7ff;--green:#6ed79a;--shadow:0 8px 20px #0000000f}*{box-sizing:border-box}body{background:var(--outer);min-height:100vh;color:var(--ink);margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;font-size:14px}button,input,select,textarea{border:1px solid var(--line);background:var(--panel);color:var(--ink);font:inherit;border-radius:5px}button{cursor:pointer;min-height:28px;padding:0 10px;font-size:12px}input,select{min-height:30px;padding:0 8px}textarea{resize:vertical;width:100%;min-height:540px;margin-top:14px;padding:12px;font-family:Consolas,SFMono-Regular,monospace;font-size:12px}label{color:var(--muted);gap:5px;font-size:12px;display:grid}.app-shell{border:1px solid #d9d9d9;border-radius:6px;grid-template-columns:200px 1fr;height:100vh;display:grid;overflow:hidden}.sidebar{background:#f7f7f7;border-right:1px solid #e0e0e0;flex-direction:column;padding:20px 12px 14px;display:flex}.brand{align-items:center;gap:8px;height:22px;margin-bottom:28px;display:flex}.brand-mark{background:var(--purple);color:#fff;border-radius:4px;place-items:center;width:20px;height:20px;font-size:12px;font-weight:800;display:grid}.brand strong{text-overflow:ellipsis;white-space:nowrap;max-width:118px;font-size:13px;font-weight:500;overflow:hidden}.brand-caret{color:var(--muted);font-size:10px}.sidebar-collapse{color:var(--muted);margin-left:auto;font-size:12px}.env-switch{margin-bottom:26px}.env-switch button{border-color:var(--blue);color:#008cff;text-align:left;background:#dff1ff;justify-content:flex-start;width:100%}.side-nav{gap:12px;display:grid}.nav-group{gap:2px;display:grid}.nav-group-title,.side-link{color:#262626;border-radius:4px;align-items:center;gap:9px;min-height:28px;padding:0 7px;text-decoration:none;display:flex}.nav-group-title{font-size:14px}.nav-group-title span,.side-link span{color:#6b6b6b;width:16px;font-family:Consolas,monospace;font-size:10px}.nav-group-title b{color:#4f4f4f;margin-left:auto;font-size:10px;font-weight:400}.side-link{color:#555;margin-left:14px;font-size:14px}.side-link:hover,.side-link.active{border:1px solid var(--line);color:#111;background:#fff}.main-frame{background:var(--bg);flex-direction:column;min-width:0;display:flex}.sandbox-banner{background:var(--bluebar);height:40px;color:var(--blue);border-bottom:1px solid #c6e6ff;grid-template-columns:1fr auto 1fr;align-items:center;font-size:13px;display:grid;position:relative}.sandbox-banner>span{grid-column:2}.sandbox-banner>button:first-of-type{color:#008cff;border-color:#7cc8ff;grid-column:3;justify-self:center}.connection-trigger{opacity:0;position:absolute;right:10px}.connection-popover{z-index:20;border:1px solid var(--line);width:340px;box-shadow:var(--shadow);background:#fff;border-radius:8px;gap:10px;padding:12px;display:grid;position:absolute;top:34px;right:12px}.content-frame{background:#fff;flex:1;min-height:0;overflow:auto}.page{width:944px;max-width:calc(100vw - 240px);margin:0 auto;padding:32px 0 80px}.page-head{justify-content:space-between;align-items:center;margin:0 0 16px;display:flex}.page h1{margin:0;font-size:17px;font-weight:500}.eyebrow{color:#1f1f1f;text-transform:none;letter-spacing:0;margin:0 0 4px;font-size:13px;font-weight:500}.page-action{align-items:center;gap:8px;display:flex}.purple-button{border-color:var(--purple);background:var(--purple);color:#fff;font-weight:600}.icon-button{width:26px;padding:0}.onboarding{grid-template-columns:154px 1fr 154px;gap:12px;margin:4px 0 38px;display:grid}.onboarding-card{border:1px solid var(--line);color:#777;background:#f8f8f8;border-radius:9px;align-items:center;gap:10px;min-height:84px;padding:16px;display:flex}.onboarding-card.active{color:#222;background:#f5f5f5}.onboarding-card.wide{color:#222;background:#f5f5f5;justify-content:space-between}.onboarding-card p{margin:4px 0 0;font-size:13px}.onboarding-card small{color:#7a7a7a;white-space:nowrap;margin-left:auto}.onboarding-card small b{background:#ff9d00;border-radius:99px;width:7px;height:7px;margin-left:5px;display:inline-block}.onboarding-card i{color:var(--green);margin-left:auto;font-style:normal}.section-title{align-items:center;gap:8px;margin:0 0 20px 8px;display:flex}.section-title:not(:first-of-type){margin-top:34px}.section-title h2{margin:0;font-size:17px;font-weight:500}.section-title span{color:#777;font-family:Consolas,monospace;font-size:11px}.data-table{border:1px solid var(--line);background:#fff;border-radius:5px;overflow:hidden;box-shadow:0 8px 18px #0000000d}.table-row{border-bottom:1px solid var(--line);grid-template-columns:repeat(auto-fit,minmax(120px,1fr));align-items:center;min-height:40px;display:grid}.table-row:last-child{border-bottom:0}.table-row>*{padding:0 16px}.table-head{color:#707070;background:#fafafa;min-height:30px;font-size:12px;font-weight:500}.muted{color:var(--muted);font-size:12px}.badge{color:#626262;background:0 0;border:0;align-items:center;gap:7px;width:max-content;padding:0;font-size:13px;display:inline-flex}.badge:before{content:"";border:1px solid #ec5cff;border-radius:3px;width:13px;height:8px;display:inline-block}.dots{color:#444;text-align:right;display:block}.metric-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px;display:grid}.metric-grid.compact{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:0}.metric,.panel-block,.card,.empty-state,.setting-row{border:1px solid var(--line);background:#fff;border-radius:6px;padding:14px}.metric span{color:var(--muted);font-size:12px;display:block}.metric strong{margin-top:5px;font-size:18px;display:block}.panel-block-head,.toolbar,.mini-form,.setting-row{justify-content:space-between;align-items:center;gap:10px;display:flex}.empty-state{color:var(--muted);text-align:center;place-items:center;display:grid}.settings-grid{gap:10px;display:grid}.output{color:#f6eee5;background:#171717;border-radius:6px;max-height:520px;margin-top:14px;padding:12px;font-family:Consolas,monospace;font-size:12px;overflow:auto}.endpoint-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.endpoint{border:1px solid var(--line);background:#fff;border-radius:6px;padding:12px}.method{color:var(--purple);margin-bottom:4px;font-family:Consolas,monospace;font-size:12px;display:block}.toast{color:#fff;opacity:0;background:#1d1d1d;border-radius:8px;padding:10px 12px;transition:opacity .18s,transform .18s;position:fixed;bottom:18px;right:18px;transform:translateY(12px)}.toast.show{opacity:1;transform:translateY(0)}@media (width<=900px){.app-shell{grid-template-columns:1fr;height:auto}.page{width:auto;max-width:none;padding:24px 16px 60px}.onboarding,.metric-grid,.metric-grid.compact,.endpoint-grid{grid-template-columns:1fr}}