:root{
  --bg:#f6f7f9;--surface:#fff;--surface-2:#fafafa;--text:#17191d;--muted:#727780;--line:#e5e7eb;--line-2:#d5d9df;
  --orange:#ff6a00;--orange-2:#ff8a33;--orange-soft:#fff2e8;--dark:#0f1115;--green:#138a58;--red:#c73535;--shadow:0 18px 50px rgba(15,17,21,.08);
}
*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}button,input,select{font:inherit}button,a{outline:none}a{text-decoration:none;color:inherit}
.hidden{display:none!important}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.18em;color:var(--orange)}
.brand-mark{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:linear-gradient(145deg,var(--orange),#ff8a00);color:#fff;font-weight:900;font-size:23px;box-shadow:0 10px 28px rgba(255,106,0,.25)}.brand-mark.small{width:34px;height:34px;border-radius:10px;font-size:17px;box-shadow:none}
.login-shell{min-height:100%;display:grid;place-items:center;padding:28px;background:radial-gradient(circle at 15% 15%,#fff1e6 0,transparent 28%),radial-gradient(circle at 85% 80%,#eceff3 0,transparent 30%),#f7f8fa}.login-card{width:min(460px,100%);background:rgba(255,255,255,.94);border:1px solid rgba(229,231,235,.9);border-radius:26px;padding:38px;box-shadow:var(--shadow)}.login-card h1{font-size:34px;letter-spacing:-.04em;margin:14px 0 10px}.login-card p{color:var(--muted);line-height:1.6;margin:0 0 26px}.login-card small{display:block;color:#91969e;line-height:1.5;margin-top:18px}.google-button{display:flex;gap:12px;align-items:center;justify-content:center;border:1px solid var(--line-2);border-radius:12px;background:#fff;padding:13px 16px;font-weight:700;transition:.18s}.google-button:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,0,0,.06)}.google-button svg{width:20px;height:20px}
.app-shell{height:100%;display:grid;grid-template-rows:56px 48px 38px minmax(0,1fr) 42px;background:#fff}.topbar{display:flex;align-items:center;gap:24px;padding:0 14px;border-bottom:1px solid var(--line);background:#fff;z-index:20}.brand{display:flex;align-items:center;gap:10px;min-width:230px}.brand strong{display:block;font-size:14px}.brand span{display:block;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:.08em}.workspace-area{display:flex;align-items:center;gap:8px}.workspace-area label{font-size:11px;color:var(--muted);font-weight:700}.workspace-area select{border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 28px 7px 9px;min-width:180px}.top-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.user-chip{display:flex;align-items:center;gap:8px;padding:4px 8px}.user-chip img{width:30px;height:30px;border-radius:50%;background:#eceff3;object-fit:cover}.user-chip strong,.user-chip span{display:block;max-width:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-chip strong{font-size:11px}.user-chip span{font-size:10px;color:var(--muted)}
.btn,.icon-btn{border:1px solid var(--line-2);background:#fff;color:var(--text);border-radius:8px;height:32px;padding:0 11px;display:inline-flex;align-items:center;justify-content:center;gap:6px;font-weight:650;font-size:12px;cursor:pointer;transition:.12s}.btn:hover,.icon-btn:hover{background:#f7f8f9}.btn:disabled,.icon-btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{border-color:var(--orange);background:var(--orange);color:#fff}.btn.primary:hover{background:#ef6200}.btn.ghost{border-color:transparent;background:transparent}.icon-btn{width:32px;padding:0;font-size:17px}
.sheet-toolbar{display:flex;align-items:center;gap:10px;padding:7px 12px;border-bottom:1px solid var(--line);background:var(--surface-2)}.toolbar-group{display:flex;align-items:center;gap:7px}.toolbar-group.grow{flex:1}.search-box{display:flex;align-items:center;gap:7px;width:min(360px,100%);border:1px solid var(--line-2);background:#fff;border-radius:9px;padding:0 9px}.search-box input{height:32px;border:0;outline:0;width:100%;background:transparent}.search-box span{color:var(--muted)}.save-state{font-size:11px;color:var(--muted);min-width:70px;text-align:right}.save-state.saving{color:var(--orange)}.save-state.saved{color:var(--green)}.save-state.error{color:var(--red)}
.formula-bar{display:grid;grid-template-columns:64px 34px 1fr;border-bottom:1px solid var(--line);align-items:center;background:#fff}.cell-ref{font-size:11px;font-weight:700;text-align:center;border-right:1px solid var(--line);height:100%;display:grid;place-items:center}.fx{font-family:Georgia,serif;font-style:italic;color:var(--muted);font-weight:700;text-align:center}.formula-bar input{height:100%;border:0;border-left:1px solid var(--line);outline:none;padding:0 10px;font-size:12px}.formula-bar input:focus{box-shadow:inset 0 -2px var(--orange)}
.grid-wrap{position:relative;min-height:0;background:#fff}.grid-scroller{position:absolute;inset:0;overflow:auto}.sheet-grid{border-collapse:separate;border-spacing:0;min-width:100%;table-layout:fixed;font-size:12px}.sheet-grid th,.sheet-grid td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);height:30px;padding:0;background:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sheet-grid thead th{position:sticky;top:0;z-index:6;background:#f7f8fa;color:#50545a;font-size:11px;font-weight:700;text-align:left;padding:0 8px;cursor:pointer}.sheet-grid th.row-head,.sheet-grid td.row-num{position:sticky;left:0;z-index:8;width:48px;min-width:48px;max-width:48px;text-align:center;background:#f7f8fa;color:#7b8088;border-right-color:var(--line-2)}.sheet-grid thead th.row-head{z-index:12}.sheet-grid td.selected-row-num{background:var(--orange-soft);color:var(--orange);font-weight:800}.sheet-grid .col-letter{color:#9a9ea5;font-size:9px;margin-right:6px}.sheet-grid .lock{font-size:10px;margin-left:6px;color:#a1a6ae}.sheet-grid td.cell{position:relative}.sheet-grid td.cell.selected{outline:2px solid var(--orange);outline-offset:-2px;z-index:4}.sheet-grid td.cell.locked-cell{background:#fbfbfc;color:#6e737b}.sheet-grid td.cell.formula-cell{background:#fffdf9}.cell-editor{width:100%;height:29px;padding:6px 8px;outline:0;overflow:hidden;text-overflow:ellipsis}.cell-input,.cell-select{width:100%;height:29px;border:0;background:transparent;padding:0 8px;outline:0}.cell-check{display:grid;place-items:center;height:29px}.cell-check input{accent-color:var(--orange)}.sheet-grid .sticky-col{position:sticky;z-index:3;background:#fff}.sheet-grid thead .sticky-col{z-index:9;background:#f7f8fa}.sheet-grid .sticky-col.locked-cell{background:#fbfbfc}.sheet-grid tr:hover td{background-color:#fffdfb}.sheet-grid tr:hover td.row-num{background:#f4f5f7}
.sheet-tabs{display:flex;align-items:center;border-top:1px solid var(--line);background:#f7f8fa;padding:0 8px}.tabs{display:flex;align-items:stretch;height:100%;gap:2px;overflow:auto}.sheet-tab{border:0;border-right:1px solid var(--line);background:transparent;padding:0 16px;font-size:11px;font-weight:650;cursor:pointer;position:relative;white-space:nowrap}.sheet-tab.active{background:#fff;color:var(--orange)}.sheet-tab.active:after{content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;background:var(--orange)}.row-count{margin-left:auto;color:var(--muted);font-size:10px;padding:0 8px}.empty-state{position:absolute;inset:0;display:grid;place-content:center;text-align:center;color:var(--muted);background:#fff}.empty-state h2{margin:8px 0 4px;color:var(--text);font-size:18px}.empty-state p{margin:0;font-size:12px}.empty-icon{font-size:42px;color:#c5c8ce}.toast{position:fixed;right:18px;bottom:18px;max-width:380px;background:#15171a;color:#fff;border-radius:10px;padding:11px 14px;font-size:12px;box-shadow:0 14px 35px rgba(0,0,0,.2);opacity:0;transform:translateY(8px);pointer-events:none;transition:.2s;z-index:100}.toast.show{opacity:1;transform:none}.toast.error{background:#962f2f}.toast.success{background:#126944}
/* Admin */
.admin-body{min-height:100%;background:#f5f6f8}.admin-top{height:58px;position:sticky;top:0}.admin-shell{max-width:1460px;margin:0 auto;padding:30px}.admin-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:24px}.admin-hero h1{font-size:30px;letter-spacing:-.035em;margin:6px 0}.admin-hero p{color:var(--muted);margin:0}.metric-row{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.metric{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 14px;min-width:90px}.metric strong{display:block;font-size:20px}.metric span{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 8px 24px rgba(15,17,21,.03)}.panel.wide{grid-column:1/-1}.panel-head h2{font-size:15px;margin:0 0 4px}.panel-head p{font-size:11px;color:var(--muted);margin:0 0 14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-bottom:14px}.form-grid.cols{grid-template-columns:repeat(4,1fr)}.form-grid input,.form-grid select{height:36px;border:1px solid var(--line-2);border-radius:8px;background:#fff;padding:0 10px;font-size:12px;outline:0}.form-grid input:focus,.form-grid select:focus{border-color:var(--orange);box-shadow:0 0 0 3px var(--orange-soft)}.form-grid .span2{grid-column:1/-1}.form-grid .check{display:flex;align-items:center;gap:7px;font-size:11px;color:#555}.form-grid .check input{width:auto;height:auto;accent-color:var(--orange)}.mini-table{max-height:270px;overflow:auto;border-top:1px solid var(--line)}.mini-row{display:grid;grid-template-columns:1.3fr 1.6fr .8fr .8fr;gap:8px;padding:9px 4px;border-bottom:1px solid var(--line);font-size:11px;align-items:center}.mini-row strong{overflow:hidden;text-overflow:ellipsis}.mini-row span{color:var(--muted);overflow:hidden;text-overflow:ellipsis}.mini-row .pill{justify-self:start}.pill{display:inline-flex;border-radius:999px;padding:3px 7px;background:#f1f3f5;color:#5d626a!important;font-size:9px!important;font-weight:700}.pill.orange{background:var(--orange-soft);color:var(--orange)!important}.key-reveal{margin:10px 0 14px;border:1px solid #ffd5b8;background:#fff8f3;border-radius:10px;padding:12px}.key-reveal code{display:block;word-break:break-all;margin-top:6px;font-size:12px}.key-reveal strong{font-size:11px}
@media(max-width:900px){.user-chip div{display:none}.workspace-area label{display:none}.brand{min-width:auto}.admin-grid{grid-template-columns:1fr}.panel.wide{grid-column:auto}.form-grid.cols{grid-template-columns:1fr 1fr}.admin-hero{align-items:flex-start;flex-direction:column}.metric-row{justify-content:flex-start}.sheet-toolbar{overflow:auto}.search-box{min-width:220px}}