.stf-app-banner{position:fixed;left:0;right:0;bottom:0;z-index:1040;background:#ffffff;border-top:1px solid #e5e7eb;box-shadow:0 -8px 24px rgba(17,24,39,.12);padding:12px 16px calc(12px + env(safe-area-inset-bottom));font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;animation:stf-app-banner-in .24s ease-out}@keyframes stf-app-banner-in{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}@media (prefers-reduced-motion:reduce){.stf-app-banner{animation:none}}.stf-app-banner__top{display:flex;align-items:center;gap:12px}.stf-app-banner__icon{flex:0 0 auto;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:#e8e9ff;color:#5b5fde;font-size:1.35rem}.stf-app-banner__text{display:flex;flex-direction:column;min-width:0}.stf-app-banner__title{font-weight:700;font-size:.95rem;line-height:1.2;color:#111827}.stf-app-banner__subtitle{font-size:.8rem;line-height:1.3;color:#4b5563}.stf-app-banner__close{flex:0 0 auto;margin-left:auto;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:none;border-radius:8px;background:transparent;color:#4b5563;font-size:1rem;cursor:pointer}.stf-app-banner__close:hover{background:#f3f4f6;color:#111827}.stf-app-banner__close:focus-visible{outline:2px solid #5b5fde;outline-offset:2px}.stf-app-banner__actions{display:flex;flex-direction:column;gap:8px;margin-top:12px}.stf-app-banner__actions-row{display:flex;gap:8px}.stf-app-banner__btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 14px;border-radius:10px;font-size:.9rem;font-weight:600;text-decoration:none;white-space:nowrap;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,color .15s ease}.stf-app-banner__btn:focus-visible{outline:2px solid #4a4dbf;outline-offset:2px}.stf-app-banner__btn--primary{flex:1 1;border:1px solid #5b5fde;background:#5b5fde;color:#ffffff}.stf-app-banner__btn--primary:hover{background:#4a4dbf;border-color:#4a4dbf}.stf-app-banner__btn--secondary{flex:1 1;border:1px solid #c7c9f2;background:#ffffff;color:#4a4dbf}.stf-app-banner__btn--secondary:hover{background:#e8e9ff}.stf-app-banner__btn--ghost{width:100%;min-height:40px;border:1px solid transparent;background:transparent;color:#4b5563;font-weight:500}.stf-app-banner__btn--ghost:hover{color:#111827;text-decoration:underline}