:root{--accent:#1c1c1c;--paper:#ffffff;--ink:#0f172a;--muted:#64748b;--card:#fff;--radius:16px;}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--paper);color:var(--ink);font:400 16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.app{max-width:940px;margin:0 auto;padding:0 14px calc(160px + env(safe-area-inset-bottom))}
.topbar{position:sticky;top:0;background:linear-gradient(180deg,#fff,rgba(255,255,255,.75));backdrop-filter:saturate(1.1) blur(8px);z-index:5;border-bottom:1px solid rgba(2,6,23,.06)}
.brand{display:flex;align-items:center;gap:10px;padding:10px 4px}
.brand .dot{width:40px;height:40px;border-radius:14px;background:var(--accent);box-shadow:0 10px 24px rgba(76,124,243,.25) inset}
.brand h1{margin:0;font-size:20px;font-weight:800}
.brand .sub{margin:0;color:var(--muted);font-size:13px}
.card{background:var(--card);border:1px solid rgba(2,6,23,.06);border-radius:var(--radius);box-shadow:0 20px 60px rgba(2,6,23,.06);padding:18px;margin:14px 0}
.card h2{margin:0 0 10px;font-size:18px}
.field{display:flex;flex-direction:column;gap:8px;margin:10px 0}
input[type=text],input[type=email],input[type=password],textarea,select{border:1px solid #e2e8f0;border-radius:12px;padding:14px 14px;font:inherit}
.range{margin:8px 0}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{appearance:none;border:0;border-radius:14px;padding:16px 20px;background:var(--accent);color:#fff;font-weight:800;cursor:pointer;box-shadow:0 8px 18px rgba(76,124,243,.35);font-size:16px}
.btn.ghost{background:#fff;color:var(--accent);outline:1.5px solid var(--accent)}
.btn.red{background:#b91c1c}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#eef2ff;color:#3730a3;font-weight:700;font-size:12px}
.grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.tabs{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid rgba(2,6,23,.06);display:flex;justify-content:space-around;padding:16px 18px calc(18px + env(safe-area-inset-bottom));z-index:9}
.tab{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:14px;color:#0f172a;opacity:.9;padding:10px 14px}
.tab.active{opacity:1}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}
.kpi{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:12px}
.notice{padding:12px;border-radius:12px;background:#f1f5f9;border:1px solid #e2e8f0}
.ios-tip{font-size:14px;color:var(--muted)}
.authbox{max-width:520px;margin:20px auto}
.authswitch{font-size:14px;color:var(--muted)}
.low-sensory *{transition:none!important;animation:none!important;box-shadow:none!important}
@media (prefers-reduced-motion: reduce){ .app *{animation:none!important;transition:none!important}}