.pwa-banner{position:fixed;z-index:1100;right:max(16px,env(safe-area-inset-right,0px));bottom:max(16px,env(safe-area-inset-bottom,0px));width:min(380px,calc(100vw - 32px));padding:12px 14px 14px;border:1px solid var(--border-strong);border-radius:4px;background:linear-gradient(180deg,var(--glass-from),var(--glass-to));box-shadow:var(--shadow-elev),var(--inset-hi),var(--inset-lo);color:var(--text);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);animation:pwaIn .45s cubic-bezier(.16,1,.3,1) both}.pwa-banner:before{content:"";position:absolute;top:0;left:12%;right:12%;height:2px;background:linear-gradient(90deg,transparent,var(--orange),var(--orange-bright),var(--orange),transparent);box-shadow:0 0 14px var(--orange-glow)}.pwa-banner-rail{display:flex;align-items:center;justify-content:space-between;font-family:var(--font-mono),var(--mono),ui-monospace,monospace;font-size:9px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--text-faint);margin-bottom:10px}.pwa-rail-id{color:var(--orange)}.pwa-rail-dot{display:inline-block;width:4px;height:4px;margin:0 8px;border-radius:50%;background:var(--orange);vertical-align:middle;box-shadow:0 0 6px var(--orange-glow)}.pwa-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border:0;border-radius:6px;background:transparent;color:var(--text-soft);cursor:pointer}.pwa-icon-btn:hover{background:var(--fill-06);color:var(--text)}.pwa-icon-btn svg{width:14px;height:14px}.pwa-banner-body{display:flex;align-items:center;gap:12px;margin-bottom:12px}.pwa-banner-mark{flex-shrink:0;width:44px;height:44px;border-radius:10px;display:block;background:#060606}.pwa-banner-copy{display:flex;flex-direction:column;gap:4px;min-width:0}.pwa-banner-copy strong{font-size:14px;font-weight:700;letter-spacing:-.02em}.pwa-banner-copy span{font-size:12px;line-height:1.4;color:var(--text-soft)}.pwa-banner-actions{display:flex;justify-content:flex-end;gap:8px}.pwa-btn-ghost,.pwa-btn-primary{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;cursor:pointer;font-family:inherit;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;min-height:40px;padding:0 14px;border-radius:8px}.pwa-btn-primary{background:var(--orange);color:var(--on-accent,#0a0a0a)}.pwa-btn-primary:hover{background:var(--orange-bright)}.pwa-btn-ghost{background:transparent;color:var(--text-soft);border:1px solid var(--border-strong)}.pwa-btn-ghost:hover{color:var(--text);border-color:var(--text-soft)}.pwa-btn-block{width:100%;margin:4px 0 14px}.pwa-sheet-root{position:fixed;inset:0;z-index:1300;display:flex;align-items:flex-end;justify-content:center}.pwa-sheet-scrim{position:absolute;inset:0;border:0;background:var(--scrim,rgba(0,0,0,.65));cursor:pointer}.pwa-sheet{position:relative;width:min(460px,100%);max-height:min(88dvh,640px);overflow:auto;margin:0;padding:16px 20px calc(20px + env(safe-area-inset-bottom, 0px));border:1px solid var(--border-strong);border-bottom:0;border-radius:16px 16px 0 0;background:var(--bg-1,#0c0c0d);color:var(--text);box-shadow:var(--shadow-elev);animation:pwaSheetIn .38s cubic-bezier(.16,1,.3,1) both}.pwa-sheet-mark{display:block;width:72px;height:72px;margin:8px auto 16px;border-radius:16px;background:#060606}.pwa-sheet h2{margin:0 0 8px;text-align:center;font-size:22px;letter-spacing:-.03em}.pwa-sheet-lead{margin:0 0 18px;text-align:center;color:var(--text-soft);font-size:14px;line-height:1.5}.pwa-steps{margin:0;padding:0 0 0 20px;color:var(--text);font-size:13px;line-height:1.55}.pwa-steps li+li{margin-top:10px}.pwa-steps li::marker{color:var(--orange);font-weight:700}@keyframes pwaIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes pwaSheetIn{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@media (min-width:720px){.pwa-sheet-root{align-items:center}.pwa-sheet{border-bottom:1px solid var(--border-strong);border-radius:4px;padding-bottom:22px}}@media (max-width:640px){.pwa-banner{left:max(12px,env(safe-area-inset-left,0px));right:max(12px,env(safe-area-inset-right,0px));width:auto}}@media (max-width:900px){body:has(.topbar-bottom-nav) .pwa-banner{bottom:calc(56px + env(safe-area-inset-bottom, 0px) + 12px)}}@media (prefers-reduced-motion:reduce){.pwa-banner,.pwa-sheet{animation:none}}html.pulse-standalone .pwa-banner,html.pulse-standalone .pwa-sheet-root{display:none}.pwa-install-link{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;padding:0;background:transparent;color:inherit;font:inherit;letter-spacing:inherit;text-transform:inherit;cursor:pointer}.pwa-install-link:hover{color:var(--orange-bright)}