:root{color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;background:#020617;color:#f1f5f9}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,label.camera,label.gallery{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{border:0;cursor:pointer;color:inherit;min-height:48px}button:disabled{opacity:.55;cursor:wait}button:focus-visible,input:focus-visible,label:focus-within{outline:2px solid #60a5fa;outline-offset:4px}[hidden]{display:none!important}.app{min-height:100vh;min-height:100dvh;max-width:760px;margin:auto;padding: max(16px,env(safe-area-inset-top)) 20px max(20px,env(safe-area-inset-bottom));display:flex;flex-direction:column}header{display:flex;justify-content:center;align-items:center;border-bottom:1px solid #172033;min-height:50px;position:relative}h1{font-size:14px;letter-spacing:2px;font-weight:600;color:#94a3b8}header button{position:absolute;right:0;font-size:13px}.center{flex:1;display:flex;align-items:center;justify-content:center;padding:36px 0}section{width:100%;max-width:460px;text-align:center}h2{font-size:24px;line-height:1.65;font-weight:600}.emoji{font-size:48px;display:block;margin-bottom:22px}.muted{color:#94a3b8;line-height:1.8}.small{font-size:13px}.primary,.secondary{padding:16px 24px;border-radius:16px;font-weight:600;line-height:1.4}.primary{background:#2563eb}.primary:active{background:#1d4ed8}.secondary{background:#172033}.secondary:active{background:#25344c}.text-button{background:none;color:#94a3b8;padding:10px}.block{display:block;margin:12px auto 0}.camera{position:relative;width:256px;height:256px;max-width:100%;margin:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0f172a;border:2px dashed #334155;border-radius:28px;cursor:pointer}.camera input,.gallery input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.gallery{display:block;position:relative;padding:16px;margin:12px auto 0;width:240px;color:#93c5fd;cursor:pointer}#login-form{display:grid;gap:14px;margin-top:28px}input[type=password]{width:100%;font-size:16px;min-height:54px;padding:14px 16px;border:1px solid #334155;border-radius:14px;background:#0f172a;color:#fff}.success{font-size:20px;color:#34d399;margin:0 0 26px}#start{background:#059669}#meaning{font-size:clamp(24px,4vw,32px);overflow-wrap:anywhere;margin:32px 0;line-height:1.8}.hint{color:#64748b;font-family:monospace;letter-spacing:2px}footer{width:100%;max-width:460px;align-self:center;display:grid;grid-template-columns:1fr 1fr;gap:14px;padding-top:12px}footer button{padding:18px 10px}#message{margin-top:16px;padding:14px 16px;background:#451a1a;border:1px solid #7f3030;border-radius:12px;color:#fecaca;line-height:1.6;font-size:14px;overflow-wrap:anywhere}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.pulse{animation:pulse 1.6s infinite}@keyframes pulse{50%{opacity:.45}}@media(prefers-reduced-motion:reduce){.pulse{animation:none}}@media(max-height:560px){.center{padding:20px 0}.camera{height:180px;width:220px}.emoji{margin-bottom:12px}#meaning{margin:16px 0}}@media(min-width:700px){.app{padding-left:36px;padding-right:36px}.camera{width:300px;height:300px}}