:root{color-scheme:light;--ink:#302d28;--muted:#81796d;--line:#e8e1d6;--accent:#916930}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#faf8f4;font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header,main,footer{max-width:1120px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;border-bottom:1px solid var(--line)}a{color:inherit;text-decoration:none}.brand{font-weight:750;letter-spacing:2px}.intro{margin:34px 0}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--accent)}h1{font-size:32px;line-height:1.3;margin:10px 0}h2{font-size:18px}.intro p,.hint{color:var(--muted)}.layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:48px;align-items:start}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;min-width:0}label{display:block;font-size:13px;font-weight:650;margin-bottom:10px}input{width:100%;border:1px solid #cfc5b5;border-radius:8px;padding:14px;font:inherit;min-width:0}button{font:inherit;border:1px solid #d9cebe;border-radius:8px;background:#fff;color:var(--ink);padding:11px 17px;min-height:44px;cursor:pointer}button:disabled{opacity:.5;cursor:default}.primary{background:var(--accent);border-color:var(--accent);color:#fff}form .primary{width:100%;margin-top:18px}.hint{font-size:13px}.session-top{display:flex;justify-content:space-between;gap:12px;align-items:center}.text-button{border:0;color:var(--muted);padding:6px}.phone-row{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}.phone-row strong{font-size:27px;letter-spacing:1px;overflow-wrap:anywhere}#phone-panel{padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:18px 0}#expiry{font-variant-numeric:tabular-nums;color:var(--accent)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}#messages{padding:0;list-style:none}#messages li{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:16px 0;border-bottom:1px solid var(--line)}#messages code{font-size:24px;letter-spacing:2px;overflow-wrap:anywhere}#messages time{display:block;color:var(--muted);font-size:12px}.warning,#notice{background:#faf0dd;color:#795623;padding:12px;border-radius:8px;overflow-wrap:anywhere}.guide{padding-left:20px}.guide li{padding:10px 0 20px 8px}.guide p{color:var(--muted);font-size:14px;margin:8px 0}footer{color:var(--muted);font-size:12px;margin-top:44px;border-top:1px solid var(--line)}[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #bc924a;outline-offset:3px}@media(max-width:720px){header,main,footer{padding:20px}.layout{grid-template-columns:minmax(0,1fr);gap:24px}.card{padding:22px}.intro{margin:20px 0}h1{font-size:26px}.phone-row strong{font-size:24px}.actions button{flex:1 1 140px}footer{margin-top:20px}}