.support-overlay{position:fixed;inset:0;z-index:260;display:flex;align-items:center;justify-content:center;padding:calc(12px + env(safe-area-inset-top,0px)) 16px calc(12px + env(safe-area-inset-bottom,0px));background:#203c3866;backdrop-filter:blur(3px);box-sizing:border-box}
.support-dialog{width:min(100%,350px);max-height:100%;display:flex;flex-direction:column;background:#fff;border:1px solid #dce6df;border-radius:24px;color:#355044;overflow:hidden;box-shadow:0 14px 45px #20372c35}
.support-dialog header{display:grid;grid-template-columns:44px 1fr 44px;align-items:center;padding:8px 12px;border-bottom:1px solid #e7ede9;flex:none}
.support-dialog header button{height:44px;width:44px;display:grid;place-items:center;border-radius:50%;background:#eff5f0;color:#476c54}
.support-dialog header svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.support-dialog h2{font-size:17px;line-height:1.4;text-align:center;margin:0}
.support-content{overflow:auto;min-height:0;padding:15px 18px;text-align:center;overscroll-behavior:contain}
.support-copy{font-size:13px;line-height:1.8;margin:0 0 12px}
.support-qr{width:min(220px,100%);height:auto;display:block;margin:auto;user-select:auto;-webkit-touch-callout:default}
.support-scan{font-size:12px;line-height:1.5;margin:10px 0;color:#617869}
.support-voluntary{display:block;font-size:11px;line-height:1.7;color:#6e8176}
.support-later{display:block;width:100%;min-height:44px;margin-top:14px;border-radius:999px;background:#476e53;color:#fff;font-size:14px}
.support-nudge{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:4px 10px;padding:8px 10px;margin:12px 0 0;border:1px solid #dce7df;border-radius:16px;background:#f6faf7;color:#576e60;font-size:11px;line-height:1.4;animation:support-in .2s ease-out}
.support-nudge>span{flex-basis:100%;text-align:center}.support-nudge button{min-height:38px;font-size:12px;padding:5px 10px;border-radius:999px;background:#e5f0e8;color:#41684d}.support-nudge button:last-child{background:transparent;color:#6e8176}
.support-floating{position:fixed;z-index:140;bottom:calc(90px + env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%);width:min(310px,calc(100% - 32px));box-shadow:0 5px 20px #20372c20}
.support-overlay button:focus-visible,.support-nudge button:focus-visible{outline:3px solid #729c79;outline-offset:2px}.support-overlay button:active,.support-nudge button:active{filter:brightness(.95);transform:translateY(1px)}
@keyframes support-in{from{opacity:0}to{opacity:1}}
@media(max-height:560px){.support-qr{width:min(160px,35vh)}.support-copy{font-size:12px;margin-bottom:8px}.support-content{padding:10px 16px}.support-scan{margin:8px 0}.support-later{margin-top:8px}}
@media(prefers-reduced-motion:reduce){.support-nudge{animation:none}}