.pwa-btn{background:var(--signature);min-height:40px;color:var(--on-signature-solid,var(--on-signature));font:inherit;cursor:pointer;border:none;border-radius:20px;flex:none;padding:0 18px;font-size:.9rem;font-weight:700}.pwa-btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.pwa-banner{z-index:60;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));border:1px solid var(--line);background:var(--paper-raised);color:var(--ink);border-radius:18px;align-items:center;gap:12px;padding:10px 10px 10px 12px;animation:.35s ease-out pwa-up;display:flex;position:fixed;box-shadow:0 12px 36px #00000047}.pwa-banner img,.pwa-card img{border-radius:11px;flex:none}.pwa-banner-text,.pwa-card-text{flex-direction:column;flex:1;min-width:0;line-height:1.3;display:flex}.pwa-banner-text strong,.pwa-card-text strong{font-size:.95rem}.pwa-banner-text span,.pwa-card-text span{color:var(--ink-soft);font-size:.8rem}.pwa-banner-close{width:34px;height:34px;color:var(--ink-soft);cursor:pointer;background:0 0;border:none;border-radius:50%;flex:none;font-size:1.4rem;line-height:1}@media (min-width:640px){.pwa-banner{width:420px;bottom:20px;left:auto;right:20px}}@keyframes pwa-up{0%{opacity:0;transform:translateY(24px)}}.pwa-card{border:1px solid var(--line);background:var(--paper-raised);border-radius:14px;align-items:center;gap:12px;padding:14px 16px;display:flex}.pwa-sheet-backdrop{z-index:500;background:#0000008c;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.pwa-sheet{width:100%;max-width:440px;margin:0 12px calc(16px + env(safe-area-inset-bottom));background:var(--paper-raised);color:var(--ink);text-align:center;border-radius:22px;padding:22px 20px 18px;animation:.3s ease-out pwa-up;position:relative}.pwa-sheet-icon{border-radius:14px}.pwa-sheet h2{margin:10px 0 14px;font-size:1.15rem}.pwa-steps{text-align:start;flex-direction:column;gap:10px;margin:0 0 18px;padding:0;list-style:none;display:flex}.pwa-steps li{background:var(--paper-sunken,var(--paper));border-radius:12px;align-items:center;gap:12px;padding:10px 12px;display:flex}.pwa-step-num{background:var(--signature);width:26px;height:26px;color:var(--on-signature-solid,var(--on-signature));border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:.85rem;font-weight:700;display:inline-flex}.pwa-step-text{flex:1;font-size:.92rem;line-height:1.4}.pwa-step-icon{color:#0a84ff;flex:none;display:inline-flex}.pwa-dots{color:var(--ink);font-size:1.3rem;font-weight:700;line-height:1}.pwa-sheet .pwa-btn{width:100%;height:46px}.pwa-sheet-arrow{background:var(--paper-raised);width:20px;height:20px;position:absolute;bottom:-10px;left:50%;transform:translate(-50%)rotate(45deg)}@media (display-mode:standalone){.site-nav{padding-top:env(safe-area-inset-top)}body{padding-bottom:env(safe-area-inset-bottom);overscroll-behavior-y:none}}@media (prefers-reduced-motion:reduce){.pwa-banner,.pwa-sheet{animation:none}}