.auth{min-height:100dvh;display:grid;place-items:center;padding:24px;background:radial-gradient(1200px 600px at 100% -10%,rgba(108,76,224,.1),transparent 60%),radial-gradient(900px 500px at -10% 110%,rgba(37,71,255,.1),transparent 55%),var(--paper)}.auth__card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:clamp(28px,5vw,40px);box-shadow:0 30px 60px -40px rgba(12,14,18,.35)}.auth__mark{margin-bottom:26px}.auth__brief{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);display:flex;justify-content:space-between;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 0;margin-bottom:24px}.auth__brief span:last-child{color:var(--ink)}.auth__title{font-family:var(--serif);font-size:1.7rem;font-weight:500;letter-spacing:-.01em;margin-bottom:8px}.auth__sub{color:var(--muted);font-size:.94rem;margin-bottom:26px}.auth__label{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}.auth__input{width:100%;font-family:var(--sans);font-size:1rem;color:var(--ink);background:var(--paper-warm);border:1px solid var(--line);border-radius:10px;padding:13px 14px;margin-bottom:18px;transition:border-color .15s ease,box-shadow .15s ease}.auth__input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,71,255,.12)}.auth__btn{width:100%}.auth__msg{margin-top:18px;font-size:.9rem;line-height:1.5;padding:14px 16px;border-radius:10px}.auth__msg--ok{background:rgba(37,71,255,.06);color:var(--ink);border:1px solid rgba(37,71,255,.2)}.auth__msg--err{background:#fff2f2;color:#8a1b1b;border:1px solid #f3caca}.auth__devlink{display:block;margin-top:10px;font-family:var(--mono);font-size:.72rem;word-break:break-all;color:var(--accent)}.auth__foot{margin-top:28px;font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);text-align:center}