:root{--obsidian:#0e0e0e;--graphite:#121212;--panel:#171717;--raised:#1d1d1d;--ink:#ededed;--muted:#939393;--line:#323232;--line-strong:#525252;--positive:#2bc477;--danger:#f05b56}
*{box-sizing:border-box}html{min-height:100%;background:var(--obsidian);color:var(--ink);font:13px/1.5 ui-monospace,"Cascadia Mono",Consolas,monospace;-webkit-font-smoothing:antialiased}body{margin:0;min-width:320px;background:radial-gradient(circle at 70% 20%,#191919 0,transparent 34%),var(--obsidian)}button,input{font:inherit;color:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible{outline:2px solid rgba(237,237,237,.65);outline-offset:2px}[hidden]{display:none!important}.auth-shell{width:min(460px,calc(100% - 32px));min-height:100vh;margin:0 auto;padding:54px 0 28px;display:flex;flex-direction:column;justify-content:center}.auth-brand{display:flex;align-items:center;gap:13px;margin-bottom:18px}.auth-brand img{border:1px solid var(--line-strong)}.auth-brand strong,.auth-brand span{display:block}.auth-brand strong{font-size:21px;letter-spacing:-.04em}.auth-brand span{color:var(--muted);font-size:9px;letter-spacing:.13em}.auth-card{border:1px solid var(--line);background:var(--graphite)}.auth-card>header{padding:22px;border-bottom:1px solid var(--line)}.auth-card>header p{margin:0 0 5px;color:var(--muted);font-size:10px;letter-spacing:.12em}.auth-card h1{margin:0;font-size:27px;letter-spacing:-.05em}.auth-card>header span{display:block;margin-top:6px;color:var(--muted)}.auth-modes{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}.auth-modes button{height:44px;border:0;border-right:1px solid var(--line);background:var(--obsidian);color:var(--muted)}.auth-modes button:last-child{border-right:0}.auth-modes button:hover{background:var(--raised);color:var(--ink)}.auth-modes button.is-active{background:var(--ink);color:var(--obsidian);font-weight:800}.auth-form{display:grid;gap:15px;padding:22px}.auth-form label>span,.totp-secret>span{display:block;margin-bottom:5px;color:var(--muted);font-size:10px;text-transform:uppercase}.auth-form input{width:100%;height:44px;border:1px solid var(--line-strong);border-radius:0;background:var(--obsidian);padding:0 12px}.primary-action{min-height:44px;border:1px solid var(--ink);background:var(--ink);color:var(--obsidian);font-weight:800;transition:transform 100ms,background-color 150ms}.primary-action:hover{background:#fff}.primary-action:active{transform:scale(.97)}.form-error{min-height:18px;color:var(--danger)}.flow-step{display:flex;gap:12px;padding-bottom:15px;border-bottom:1px solid var(--line)}.flow-step>b{font-size:22px}.flow-step strong,.flow-step span{display:block}.flow-step span{color:var(--muted);font-size:11px}.totp-setup{display:grid;grid-template-columns:124px 1fr;gap:16px;align-items:center;padding:14px;border:1px solid var(--line);background:var(--obsidian)}.totp-qr{width:124px;height:124px;border:8px solid #fff;background:repeating-conic-gradient(#000 0 25%,#fff 0 50%) 50%/18px 18px;box-shadow:inset 0 0 0 5px #000}.totp-secret code{display:block;margin:8px 0;padding:8px;background:var(--raised);font-size:14px;letter-spacing:.08em}.totp-secret small{color:var(--muted)}.auth-success{padding:30px 22px;text-align:left}.auth-success>b{display:grid;width:42px;height:42px;place-items:center;border:1px solid var(--positive);color:var(--positive);font-size:20px}.auth-success h2{margin:18px 0 5px;font-size:22px}.auth-success p{margin:0 0 20px;color:var(--muted)}.auth-success .primary-action{width:100%}.auth-shell>footer{margin-top:14px;color:var(--muted);font-size:10px;text-align:center}@media(max-width:520px){.auth-shell{width:100%;padding:20px 12px}.totp-setup{grid-template-columns:1fr}.totp-qr{margin:auto}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}