.kps-install-card{position:fixed;z-index:120;right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));left:max(16px,env(safe-area-inset-left));max-width:440px;margin-left:auto;display:grid;grid-template-columns:48px minmax(0,1fr);gap:12px;padding:16px;border:1px solid #98b7c4;border-radius:18px;background:#f7fbfd;color:#123e55;box-shadow:0 12px 40px #09293f33;font-size:14px}
.kps-install-card[hidden],.kps-installed [data-kps-install],body.layout-focus-active .kps-install-card,body:has(dialog[open]) .kps-install-card{display:none!important}
.kps-install-card img,.kps-install-guide img{border-radius:12px}
.kps-install-card strong{display:block;font-size:16px;line-height:1.3}
.kps-install-card p{margin:5px 0 0;font-size:13px}
.kps-install-actions{grid-column:1/-1;display:flex;justify-content:flex-end;gap:10px}
.kps-install-actions button{min-height:44px}
.kps-install-guide{box-sizing:border-box;width:min(480px,calc(100vw - 32px));max-height:calc(100dvh - 32px);overflow:auto;padding:22px;border:1px solid #a9c2cf;border-radius:20px;color:#123e55;background:#f7fbfd;box-shadow:0 24px 80px #09293f55}
.kps-install-guide::backdrop{background:#09293f88}
.kps-install-guide header{display:flex;align-items:center;gap:12px}
.kps-install-guide h2{font-size:22px;flex:1;margin:0}
.kps-install-guide ol{padding-left:24px;line-height:1.6;margin:22px 0}
.kps-install-guide li+li{margin-top:12px}
.kps-install-guide footer{display:flex;justify-content:flex-end;margin-top:20px}
.kps-install-guide .btn{min-height:44px}
@media(max-width:360px){.kps-install-card{padding:12px;gap:10px}.kps-install-guide{padding:16px}}