:root{--bg:#f4f8ff;--surface:#fff;--ink:#0f172a;--muted:#64748b;--line:#dbe5f0;--accent:#2563eb;--accent-ink:#fff;--danger:#b91c1c;--ok:#047857;--warn:#b45309;--radius:14px;--shadow:0 8px 24px #0f172a0f;color:var(--ink);background:var(--bg);font-family:Segoe UI,Inter,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:radial-gradient(1200px 400px at 10% -10%, #dbeafe 0%, transparent 55%), radial-gradient(900px 360px at 100% 0%, #e0e7ff 0%, transparent 50%), var(--bg)}button,input{font:inherit}.app-shell{max-width:1100px;margin:0 auto;padding:16px 16px 96px}.topbar{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px 16px;margin-bottom:20px;display:flex}.brand{flex:200px;gap:2px;min-width:0;display:grid}.brand strong{letter-spacing:-.03em;min-height:1.25em;font-size:1.25rem;line-height:1.25}.brand span{text-overflow:ellipsis;white-space:nowrap;max-width:100%;overflow:hidden}.brand span,.muted{color:var(--muted);font-size:.9rem}.topbar-actions{flex:none;align-content:start;justify-items:end;gap:2px;margin-left:auto;display:grid}.topbar-buttons{flex-wrap:wrap;justify-content:flex-end;gap:8px;margin-top:-2px;display:flex}.topbar-actions .btn{min-height:40px;padding:8px 14px}.topbar-actions .env-pill{margin-top:0}.env-pill{color:#1d4ed8;background:#eff6ff;border-radius:999px;align-items:center;gap:6px;padding:4px 10px;font-size:.8rem;font-weight:600;display:inline-flex}.nav{border:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:var(--shadow);z-index:20;background:#ffffffeb;border-radius:16px;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-bottom:12px;padding:8px;display:grid;position:sticky;bottom:12px}.nav button{width:100%;min-height:48px;color:var(--muted);text-align:center;white-space:nowrap;background:0 0;border:0;border-radius:12px;padding:10px 8px;font-weight:600;line-height:1.2}.nav button.active{color:var(--accent);background:#eff6ff}@media (width>=640px){.nav{grid-template-columns:repeat(4,minmax(0,1fr))}.nav button{padding:10px 12px}}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);box-sizing:border-box;min-width:0;max-width:100%;padding:16px}.card+.card{margin-top:12px}.grid{gap:12px;display:grid}.grid>.card+.card,.grid>button.card.stat-card+button.card.stat-card{margin-top:0}.grid.stats{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}button.card.stat-card{cursor:pointer;text-align:left;width:100%;font:inherit;color:inherit;appearance:none;margin:0;transition:border-color .12s,box-shadow .12s,background-color .12s,transform 80ms;display:block}button.card.stat-card:hover{background:#f8fbff;border-color:#bfdbfe;box-shadow:0 10px 28px #2563eb14}button.card.stat-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button.card.stat-card:active{transform:translateY(1px)}.stat-card .stat-card-hint{color:var(--muted);margin-top:6px;font-size:.75rem;font-weight:600}.stat-value{letter-spacing:-.03em;font-size:1.6rem;font-weight:800}.filter-banner{background:#eff6ff;border:1px solid #bfdbfe;border-radius:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 12px;padding:10px 12px;display:flex}.filter-banner .filter-banner-label{color:#1e3a8a;font-size:.9rem;font-weight:600}.stack{gap:10px;min-width:0;max-width:100%;display:grid}.user-detail{width:100%}.row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;min-width:0;max-width:100%;display:flex}.btn{border:1px solid var(--line);background:var(--surface);min-height:44px;color:var(--ink);cursor:pointer;border-radius:12px;padding:10px 16px;font-weight:600}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);width:100%}.btn.danger{color:var(--danger)}.btn:disabled{opacity:.55;cursor:not-allowed}.field{border:1px solid var(--line);background:#fff;border-radius:12px;width:100%;min-height:44px;padding:10px 12px}.table-wrap{display:none}.list-cards{gap:10px;display:grid}.list-card{text-align:left;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:14px;width:100%;padding:14px}.list-card h3{margin:0 0 6px;font-size:1rem}.meta{color:var(--muted);overflow-wrap:anywhere;word-break:break-word;gap:4px;min-width:0;font-size:.88rem;display:grid}.badge{color:#334155;background:#f1f5f9;border-radius:999px;padding:2px 8px;font-size:.75rem;font-weight:700;display:inline-flex}.badge.warn{color:var(--warn);background:#fff7ed}.badge.ok{color:var(--ok);background:#ecfdf5}.error-banner{color:var(--danger);background:#fef2f2;border:1px solid #fecaca;border-radius:12px;margin-bottom:12px;padding:12px 14px}.user-detail-activity,.activity-panel,.activity-header,.activity-summary,.activity-chart{min-width:0;max-width:100%}.activity-header{align-items:start;gap:12px;display:grid}.activity-summary{gap:4px;display:grid}.activity-summary .muted,.activity-limitations{overflow-wrap:anywhere;word-break:break-word}.activity-limitations{margin-top:8px;margin-bottom:0;font-size:.82rem}.activity-chart{box-sizing:border-box;grid-template-columns:repeat(auto-fit,minmax(0,1fr));align-items:end;gap:1px;width:100%;height:120px;padding-top:8px;display:grid}.activity-bar{background:#93c5fd;border-radius:3px 3px 0 0;width:100%;min-width:0;min-height:2px}.activity-bar.has-count{background:var(--accent)}.period-toggle{box-sizing:border-box;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;width:100%;min-width:0;max-width:100%;display:grid}.period-toggle .btn{text-align:center;width:100%;min-width:0;padding-left:8px;padding-right:8px}.period-toggle button.active{color:#1d4ed8;background:#eff6ff;border-color:#bfdbfe}@media (width>=640px){.activity-header{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px 16px}.period-toggle{width:auto;min-width:220px}}.sign-in-panel{max-width:420px;margin:12vh auto}.sign-in-panel h1{letter-spacing:-.03em;margin:0 0 8px;font-size:1.7rem}.locked-panel{width:100%;max-width:min(420px,100%)}.locked-title{margin:0 0 8px;font-size:1.15rem;font-weight:650}.locked-actions{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.locked-actions .btn{flex:140px;min-width:0}.empty-state{text-align:center;padding:20px 16px}@media (width>=860px){.app-shell{padding-bottom:32px}.topbar{flex-wrap:nowrap;align-items:flex-start}.brand{flex:auto}.topbar-actions{flex-wrap:nowrap}.nav{grid-template-columns:repeat(4,minmax(0,1fr));width:100%;max-width:640px;margin-bottom:16px;position:static}.nav button{padding:10px 12px}.btn.primary{width:auto}.list-cards{display:none}.table-wrap{display:block;overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:10px 8px;font-size:.92rem}th{color:var(--muted);font-weight:600}tr.clickable{cursor:pointer}tr.clickable:hover{background:#f8fbff}}