:root{color-scheme:dark;--bg:#090d13;--panel:#141b26;--text:#eef2f7;--muted:#a4afbf;--line:rgba(255,255,255,.11);--orange:#f28705;--green:#75d8b0;--red:#ff9f9f}
*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--text);background:radial-gradient(circle at 18% 0,rgba(242,135,5,.15),transparent 30%),var(--bg);padding:24px}
.auth-shell{width:min(460px,100%);margin:5vh auto;background:linear-gradient(180deg,rgba(21,28,39,.99),rgba(13,18,26,.99));border:1px solid var(--line);border-radius:24px;box-shadow:0 30px 90px rgba(0,0,0,.45);padding:28px}.setup-shell{width:min(780px,100%);margin:24px auto}.auth-card{display:grid;gap:22px}.brand{display:flex;align-items:center;gap:14px;padding-bottom:20px;border-bottom:1px solid var(--line)}.brand img{width:64px;height:64px;object-fit:contain}.brand div{display:grid;gap:4px}.brand strong{letter-spacing:.08em;font-size:.94rem}.brand span{color:var(--muted);font-size:.74rem;text-transform:uppercase;letter-spacing:.15em}
.auth-heading{display:grid;gap:8px}.auth-heading h1{margin:0;font-size:clamp(1.55rem,4vw,2rem);line-height:1.08}.auth-heading p,.field-help{margin:0;color:var(--muted);font-size:.82rem;line-height:1.55}.eyebrow{color:#ffb046;text-transform:uppercase;letter-spacing:.14em;font-weight:800;font-size:.68rem}
form{display:grid;gap:16px}label{display:grid;gap:7px;font-size:.76rem;color:#dfe5ed}input{width:100%;height:44px;border:1px solid var(--line);border-radius:11px;background:rgba(4,7,11,.45);color:#fff;padding:0 12px;outline:none}input[type=file]{height:auto;min-height:44px;padding:10px}input:focus{border-color:rgba(242,135,5,.7);box-shadow:0 0 0 3px rgba(242,135,5,.12)}button,.button-link{display:flex;align-items:center;justify-content:center;width:100%;min-height:46px;border:0;border-radius:12px;background:linear-gradient(135deg,var(--orange),#ffad32);color:#fff;font-weight:850;text-decoration:none;cursor:pointer}button:hover,.button-link:hover{filter:brightness(1.07)}button:disabled,fieldset:disabled{opacity:.5;cursor:not-allowed}
.notice{padding:12px 14px;border-radius:11px;font-size:.78rem;line-height:1.5}.notice.error{border:1px solid rgba(255,120,120,.35);background:rgba(255,120,120,.08);color:var(--red)}.notice.success{border:1px solid rgba(82,210,159,.3);background:rgba(82,210,159,.07);color:var(--green)}.security-note{margin:0;padding-top:16px;border-top:1px solid var(--line);color:#7f8b9b;font-size:.68rem;line-height:1.5}
.checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.check{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:10px;background:rgba(255,255,255,.035);font-size:.74rem}.check span{display:grid;place-items:center;width:19px;height:19px;border-radius:50%;background:rgba(255,255,255,.06);font-weight:900}.check.ok{color:var(--green)}.check.bad{color:var(--red)}fieldset{margin:0;padding:16px;border:1px solid var(--line);border-radius:14px}legend{padding:0 8px;color:#ffb046;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field-help{margin:0 0 13px}
@media(max-width:620px){body{padding:14px}.auth-shell,.setup-shell{margin:0 auto;padding:21px;border-radius:18px}.form-grid,.checks{grid-template-columns:1fr}.brand img{width:54px;height:54px}}