/* PWA-only additions; existing desktop and mobile layout remains intact. */
.pwa-install-open{white-space:nowrap}
.pwa-dialog{border:1px solid #e1cfea;border-radius:24px;background:#fffafd;color:#483758;box-shadow:0 20px 70px #3d255544;width:min(440px,calc(100vw - 32px));max-height:calc(100dvh - 30px);padding:28px 24px;overflow-y:auto;text-align:left}
.pwa-dialog::backdrop{background:#2d20366b;backdrop-filter:blur(4px)}
.pwa-dialog-header{display:flex;justify-content:space-between;align-items:start;gap:12px}
.pwa-dialog-header h2{font-size:23px;line-height:1.45;margin:5px 0 0}
.pwa-dialog-close{background:#f4ebfa;border:1px solid #e4d7ee;border-radius:50%;width:35px;height:35px;font-size:22px;color:#624c78;flex-shrink:0}
.pwa-dialog .pwa-lead{font-size:14px;line-height:1.8;color:#796789;margin:14px 0}
.pwa-platform-steps{margin:18px 0;padding:18px;background:#f5eefb;border:1px solid #ebdef3;border-radius:16px;font-size:14px;line-height:1.95}
.pwa-platform-steps strong{display:block;margin-bottom:5px}
.pwa-platform-steps ol{padding-left:24px;margin:5px 0 0}
.pwa-platform-steps li{margin:4px 0}
.pwa-dialog .pwa-install-action{display:block;width:100%;min-height:46px;margin:12px 0;background:#7860b7;color:white;border:0;border-radius:12px;font-weight:700}
.pwa-dialog .pwa-message{font-size:13px;color:#746085;min-height:1.5em;margin:12px 0 0;line-height:1.75}
@media(max-width:650px){.purchase-actions .pwa-install-open{flex:1;min-width:140px}.pwa-dialog{padding:23px 19px}}
@media(prefers-reduced-motion:reduce){.pwa-dialog::backdrop{backdrop-filter:none}}