.pwa-install-button{display:none;position:fixed;right:calc(14px + env(safe-area-inset-right));bottom:calc(14px + env(safe-area-inset-bottom));z-index:120;align-items:center;gap:10px;max-width:calc(100vw - 28px);padding:12px 16px;border:1px solid rgba(255,255,255,.75);border-radius:18px;background:linear-gradient(135deg,#147ff3,#695eea);color:#fff;font:800 13px/1.25 inherit;box-shadow:0 16px 36px rgba(27,80,190,.3);cursor:pointer}.pwa-install-button svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.pwa-install-button small{display:block;margin-top:2px;color:#dfeaff;font-size:9px;font-weight:700}.pwa-install-button.ready:after{content:"พร้อมติดตั้ง";position:absolute;right:9px;top:-9px;padding:3px 7px;border-radius:999px;background:#19aa72;color:#fff;font-size:8px;box-shadow:0 5px 12px rgba(15,123,81,.25)}.pwa-install-help{position:fixed;right:calc(14px + env(safe-area-inset-right));bottom:calc(88px + env(safe-area-inset-bottom));z-index:121;width:min(320px,calc(100vw - 28px));padding:16px 44px 16px 16px;border:1px solid #d8e6f6;border-radius:18px;background:#fff;color:#173354;box-shadow:0 20px 50px rgba(20,48,89,.2);opacity:0;transform:translateY(10px);transition:.18s ease}.pwa-install-help.show{opacity:1;transform:none}.pwa-install-help b{display:block;margin-bottom:5px}.pwa-install-help span{display:block;color:#657d98;font-size:12px;line-height:1.55}.pwa-install-help button{position:absolute;right:10px;top:9px;width:30px;height:30px;border:0;border-radius:10px;background:#eef4fb;color:#315675;font-size:20px;cursor:pointer}
@media(max-width:940px) and (pointer:coarse){.pwa-install-button:not([hidden]){display:flex}}
/* Keep decorative circles inside the page, including on short mobile screens. */
.login-center-page{height:auto!important;overflow-x:hidden!important;overflow-y:auto!important}
.login-center-page .login-center-wrap{height:auto!important;min-height:100vh!important;min-height:100dvh!important;overflow:hidden!important}
.login-center-card .pwa-install-button:not([hidden]){display:flex;position:relative;inset:auto;z-index:auto;justify-content:center;width:100%;max-width:none;min-height:48px;margin:0 0 18px;padding:10px 14px;border-radius:14px;font-family:inherit;font-size:14px;font-weight:800;line-height:1.35;box-shadow:0 7px 18px rgba(27,80,190,.16);text-align:left}
.login-center-card .pwa-install-button[hidden],.login-center-card .pwa-install-help[hidden]{display:none}
.login-center-card .pwa-install-button svg{flex:none;width:24px;height:24px}
.login-center-card .pwa-install-button small{font-size:11px;font-weight:500}
.login-center-card .pwa-install-button:focus-visible{outline:3px solid #0b54ba;outline-offset:3px}
.login-center-card .pwa-install-button:hover{filter:brightness(1.06)}
.login-center-card .pwa-install-help{position:relative;inset:auto;z-index:auto;width:100%;margin:-6px 0 18px;box-shadow:none;background:#f0f6ff;text-align:left}
@media(max-width:480px){.login-center-card .pwa-install-button:not([hidden]){margin-bottom:14px}}