:root{--ink:#080b0d;--panel:#101518;--line:rgba(180,205,211,.14);--muted:#748187;--text:#ebf0ee;--cyan:#60d7e5;--lime:#b7ee70;--red:#ff7b7b}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--text);background:radial-gradient(circle at 22% 25%,rgba(96,215,229,.09),transparent 34%),radial-gradient(circle at 75% 76%,rgba(183,238,112,.05),transparent 30%),var(--ink);font-family:"Avenir Next","Helvetica Neue",sans-serif}.auth-shell{width:min(980px,calc(100% - 40px));min-height:100vh;margin:auto;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:80px}.auth-brand{padding:40px 0}.brand-mark{width:54px;height:54px;display:grid;grid-template-columns:repeat(3,1fr);gap:5px;align-items:end;margin-bottom:28px}.brand-mark span{height:35%;background:var(--cyan);box-shadow:0 0 20px rgba(96,215,229,.25)}.brand-mark span:nth-child(2){height:68%}.brand-mark span:nth-child(3){height:100%;background:var(--lime)}.eyebrow{margin:0 0 8px;color:var(--muted);font:700 10px monospace;letter-spacing:.2em}h1{margin:0;font-size:34px;letter-spacing:.07em}h1 em{color:var(--cyan);font-style:normal;font-weight:450}.brand-copy{max-width:430px;margin:22px 0 28px;color:#9ba7a7;font-size:15px;line-height:1.8}.security-list{display:flex;flex-wrap:wrap;gap:9px}.security-list span{padding:7px 9px;border:1px solid var(--line);color:#809096;font:600 9px monospace;letter-spacing:.06em}.auth-card{padding:38px;border:1px solid var(--line);background:linear-gradient(145deg,rgba(18,24,27,.96),rgba(10,14,16,.96));box-shadow:0 24px 80px rgba(0,0,0,.25)}h2{margin:0;font-size:24px}.subtitle{margin:10px 0 28px;color:var(--muted);font-size:12px;line-height:1.6}label{display:block;margin:0 0 18px;color:#9ea9a9;font-size:11px;letter-spacing:.04em}input{width:100%;margin-top:8px;padding:13px 14px;border:1px solid var(--line);outline:none;background:#0a0e10;color:var(--text);font:500 14px monospace}input:focus{border-color:rgba(96,215,229,.55);box-shadow:0 0 0 3px rgba(96,215,229,.06)}label small{display:block;margin-top:6px;color:#58666b;font-size:9px}.form-error{min-height:18px;margin:0 0 10px;color:var(--red);font-size:11px;line-height:1.5}button{width:100%;padding:13px;border:1px solid rgba(96,215,229,.38);background:rgba(96,215,229,.09);color:var(--cyan);font:700 11px monospace;letter-spacing:.1em;cursor:pointer}button:hover{background:rgba(96,215,229,.15)}button:disabled{opacity:.45;cursor:wait}.switch-copy{margin:20px 0 0;text-align:center;color:var(--muted);font-size:11px}.switch-copy a{color:var(--cyan);text-decoration:none}@media(max-width:760px){.auth-shell{grid-template-columns:1fr;gap:0;padding:38px 0}.auth-brand{padding:0 0 30px}.auth-card{padding:28px}}