.c4a{--bg:#08090c;--panel:#0c0e13;--panel-2:#10131a;--line:#1b202b;--line-2:#141822;--ink:#dee3ec;--ink-2:#8b93a7;--ink-3:#565e70;--amber:#f2a93b;--amber-dim:#8a6222;--green:#31c77f;--red:#e5564b;--mono:"JetBrains Mono",monospace}.c4a *{margin:0;padding:0;box-sizing:border-box}.c4a{min-height:100vh;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:12px;-webkit-font-smoothing:antialiased;display:flex;flex-direction:column;overflow:hidden}.c4a:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background:repeating-linear-gradient(0deg,hsla(0,0%,100%,.012) 0 1px,transparent 1px 3px)}.c4a .wrap{margin:auto;width:400px;max-width:92vw;position:relative;z-index:1}.c4a .corner{position:absolute;width:14px;height:14px;border:1.5px solid var(--amber-dim)}.c4a .c1{left:-7px;border-right:none}.c4a .c1,.c4a .c2{top:-7px;border-bottom:none}.c4a .c2{right:-7px;border-left:none}.c4a .c3{left:-7px;border-right:none}.c4a .c3,.c4a .c4{bottom:-7px;border-top:none}.c4a .c4{right:-7px;border-left:none}.c4a .box{background:var(--panel);border:1px solid var(--line);padding:26px 28px 24px}.c4a .brand{gap:10px;margin-bottom:4px}.c4a .brand,.c4a .brand-mark{display:flex;align-items:center}.c4a .brand-mark{width:26px;height:26px;border-radius:5px;background:linear-gradient(135deg,#f2a93b,#e5564b);justify-content:center;color:#0a0c10;font-weight:800;font-size:13px;font-family:var(--mono)}.c4a .brand b{font-size:13.5px;font-weight:700;letter-spacing:.04em}.c4a .brand b span{color:var(--amber)}.c4a .sysline{font-size:9px;color:var(--ink-3);letter-spacing:.18em;margin-bottom:22px}.c4a .sysline,.c4a h1{font-family:var(--mono)}.c4a h1{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--ink-2);margin-bottom:16px}.c4a h1 b{color:var(--amber)}.c4a label{display:block;font-size:9px;font-weight:600;letter-spacing:.16em;color:var(--ink-3);margin-bottom:6px}.c4a .inp,.c4a label{font-family:var(--mono)}.c4a .inp{width:100%;background:var(--panel-2);border:1px solid var(--line);color:var(--ink);font-size:13px;letter-spacing:.14em;padding:10px 12px;outline:none;margin-bottom:16px;caret-color:var(--amber)}.c4a .inp:focus{border-color:var(--amber-dim);box-shadow:0 0 0 1px var(--amber-dim),0 0 18px -6px rgba(242,169,59,.4)}.c4a .btn{width:100%;background:var(--amber);color:#0a0c10;border:none;font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.16em;padding:11px;cursor:pointer}.c4a .btn:hover{filter:brightness(1.08)}.c4a .btn:disabled{opacity:.55;cursor:default}.c4a .err{display:none;font-size:10px;color:var(--red);border:1px solid #4a2320;background:rgba(229,86,75,.08);padding:8px 10px;margin-bottom:14px;letter-spacing:.06em}.c4a .err,.c4a .meta{font-family:var(--mono)}.c4a .meta{display:flex;justify-content:space-between;font-size:9px;color:var(--ink-3);letter-spacing:.1em;margin-top:16px;padding-top:13px;border-top:1px solid var(--line-2)}.c4a .meta .g{color:var(--green)}.c4a .dot{display:inline-block;width:5px;height:5px;border-radius:99px;background:var(--green);box-shadow:0 0 7px var(--green);animation:c4bl 1.6s infinite;margin-right:5px;vertical-align:1px}@keyframes c4bl{50%{opacity:.4}}.c4a .warn{font-family:var(--mono);font-size:8.5px;color:var(--ink-3);letter-spacing:.1em;text-align:center;line-height:1.8;margin-top:14px}.c4a .warn b{color:var(--amber-dim)}.c4a .digits{display:flex;gap:8px;margin-bottom:16px}.c4a .digits input{flex:1 1;min-width:0;background:var(--panel-2);border:1px solid var(--line);color:var(--amber);font-family:var(--mono);font-size:19px;font-weight:700;text-align:center;padding:11px 0;outline:none}.c4a .digits input:focus{border-color:var(--amber-dim);box-shadow:0 0 0 1px var(--amber-dim)}.c4a a{color:var(--ink-3)}