:root{--ink:#1d2320;--muted:#5f6b66;--brand:#1f5f4a;--bg:#f6f5f1;--card:#fff;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}
button,.btn{font:inherit;font-weight:600;min-height:44px;padding:0 18px;border-radius:10px;border:1px solid #d5d8d3;background:#fff;color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;gap:8px;text-decoration:none;transition:transform .06s,background .12s}
button:active,.btn:active{transform:scale(.97)}button.primary,.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
button[aria-pressed=true]{background:var(--brand);color:#fff;border-color:var(--brand)}button:disabled{opacity:.5;cursor:default}
.bar{position:fixed;left:50%;bottom:max(16px,env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;gap:8px;flex-wrap:wrap;justify-content:center;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);padding:8px;border-radius:14px;box-shadow:0 6px 24px rgba(0,0,0,.15);z-index:10;max-width:calc(100vw - 24px)}
.top{position:fixed;left:16px;top:max(14px,env(safe-area-inset-top));z-index:10;display:flex;gap:10px;align-items:center;background:rgba(255,255,255,.92);padding:6px 14px 6px 8px;border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.12)}
.top a{color:var(--ink);text-decoration:none;font-weight:700}.logo{width:28px;height:28px;border-radius:7px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px}
.toast{position:fixed;top:16px;right:16px;z-index:20;background:#1d2320;color:#fff;padding:10px 14px;border-radius:10px;font-size:14px;opacity:0;transition:opacity .2s;pointer-events:none}.toast.on{opacity:1}