:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#25233c;background:#f6f6fa;font-synthesis:none;color-scheme:light;--accent:#6553cc;--muted:#777589;--line:#e8e6f0}*{box-sizing:border-box}body{margin:0}main{max-width:800px;margin:0 auto;padding:34px 28px 26px}header,.row,.actions,.route,.stats,.meter-label{display:flex;align-items:center;justify-content:space-between}header{margin-bottom:48px}.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:750;text-decoration:none;color:inherit;letter-spacing:-.4px}.logo{display:grid;place-items:center;width:33px;height:33px;border-radius:10px;background:var(--accent);color:white;font-size:27px;line-height:1;padding-bottom:4px}.tag,.eyebrow{font-size:12px;letter-spacing:.7px}.tag{padding:7px 11px;border:1px solid var(--line);border-radius:20px;color:var(--muted)}.eyebrow{color:var(--accent);font-weight:650;margin:0 0 12px}h1{font-size:44px;line-height:1.28;letter-spacing:-1.4px;margin:0 0 18px;font-weight:750}h1 span{color:var(--accent)}.intro>p:last-child{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:28px}.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 8px 32px #29215b05}.card+.card{margin-top:20px}h2{font-size:17px;margin:0;font-weight:650}.badge{font-size:12px;color:#777589;background:#f2f1f6;border-radius:20px;padding:7px 11px;white-space:nowrap}.badge.live{background:#ebf7f0;color:#287747}.badge.error{background:#fff1ef;color:#b44234}#message{font-size:13px;color:var(--muted);line-height:1.65;margin:14px 0 22px;min-height:22px;overflow-wrap:anywhere}.route{background:#f8f7fc;border:1px solid #eeecf7;border-radius:12px;padding:18px;font-size:13px;text-align:center;margin-bottom:24px}.sub{display:block;margin-top:6px;font-size:11px;color:var(--muted)}.arrow{color:#b5aecf}.meter-label{font-size:12px;color:var(--muted);margin:25px 0 9px}label{font-size:12px;font-weight:600;display:block;margin-bottom:9px}select,input,textarea{width:100%;font:inherit;font-size:13px;background:white;color:inherit;border:1px solid #dedbe9;border-radius:9px;padding:12px;outline:none}select:focus,input:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6553cc12}progress{display:block;width:100%;height:9px;border:0;border-radius:10px;overflow:hidden;appearance:none;background:#eeecf6}progress::-webkit-progress-bar{background:#eeecf6;border-radius:10px}progress::-webkit-progress-value{background:#8d7ddf;border-radius:10px;transition:width .08s}progress::-moz-progress-bar{background:#8d7ddf;border-radius:10px}.actions{gap:10px;margin-top:25px;justify-content:flex-start}button{font:inherit;font-size:13px;font-weight:600;border:1px solid #dedbe9;padding:12px 19px;border-radius:10px;background:white;color:#454158;cursor:pointer;transition:background .15s,opacity .15s}button:hover{background:#f6f5fb}button.primary{background:var(--accent);color:white;border-color:var(--accent);flex:1}button.primary:hover{background:#5948ba}button:disabled{opacity:.45;cursor:default}button[aria-pressed=true]{color:#af443c;background:#fff1ef}.stats{justify-content:flex-start;gap:24px;font-size:11px;color:var(--muted);margin-top:23px;padding-top:19px;border-top:1px solid #f0eef5}.stats b{font-weight:500;color:#4c4767;font-variant-numeric:tabular-nums}.hint{display:flex;align-items:flex-start;gap:12px;margin:22px 4px 0;font-size:12px;line-height:1.8;color:var(--muted)}.hint strong{color:#534c73;font-weight:600}.hint p{margin:5px 0}.hint-icon{width:18px;height:18px;border-radius:50%;border:1px solid #b6accf;text-align:center;line-height:17px;flex-shrink:0;margin-top:2px;color:#8a7eb1}footer{font-size:10px;text-align:center;color:#a09bad;line-height:1.9;margin-top:34px}details{margin-top:20px}summary{cursor:pointer;font-size:13px;color:#665d84}.field{margin-top:18px}#invite-box{margin-top:18px}textarea{resize:vertical;min-height:85px;font-family:ui-monospace,monospace;font-size:11px}.small{font-size:12px;color:var(--muted);line-height:1.8}.error-text{color:#b44234}.receiver h1{font-size:35px}.receiver header{margin-bottom:35px}.hidden,[hidden]{display:none!important}a{color:var(--accent)}@media(max-width:540px){main{padding:24px 18px}header{margin-bottom:34px}h1{font-size:36px}.card{padding:22px 18px;border-radius:16px}.route{padding:16px 10px;font-size:12px}.sub{font-size:10px}.stats{gap:13px;font-size:10px}.actions{flex-wrap:wrap}.actions button.primary{flex-basis:100%}.actions button:not(.primary){flex:1}.tag{font-size:10px}}