.auth-shell{min-height:100vh;background:radial-gradient(circle at 20% 10%,#0e3761 0,transparent 35%),linear-gradient(145deg,#020711,#071321 58%,#03101d);display:grid;place-items:center;padding:24px;color:#e9f3ff}.auth-card{width:min(450px,100%);background:#07111f;border:1px solid #193652;border-radius:16px;box-shadow:0 28px 90px #0009;padding:28px}.auth-brand{display:flex;align-items:center;gap:11px;margin-bottom:30px}.auth-brand span,.auth-brand strong{display:block}.auth-brand strong{font-size:15px;color:#fff}.auth-brand span{font-size:11px;color:#7891af;margin-top:2px}.auth-mark{font-weight:800}.auth-icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:#0a2d51;color:#45ccff;margin-bottom:18px}.auth-card h1{font-size:27px;color:#f2f7ff;letter-spacing:-.03em;margin:0}.auth-copy{font-size:13px;color:#8098b6;line-height:1.5;margin:7px 0 20px}.auth-form{display:grid;gap:14px}.auth-form>div label{display:block;color:#9eb3ce;font-size:12px;margin-bottom:6px}.auth-form input{background:#081827;border-color:#24415f;color:#edf6ff}.auth-form small{display:block;color:#6d87a7;font-size:10px;margin-top:5px}.auth-form>button{width:100%;margin-top:3px}.auth-error{background:#32151c;border:1px solid #6c2934;color:#ffafb7;border-radius:8px;padding:9px 11px;font-size:11px;margin:0}.auth-foot{display:block;color:#506b8c;font-size:10px;margin-top:24px;text-align:center}.logout-button{margin-left:auto;width:30px;height:30px;border:1px solid #293548;border-radius:7px;background:transparent;color:#7f91aa;display:grid;place-items:center;cursor:pointer}.logout-button:hover{background:#1d2939;color:#fff}.migration-card{width:min(620px,100%)}.migration-card input[type=file]{width:100%;border:1px dashed #315577;border-radius:9px;padding:12px;color:#91a9c4;background:#06101d}.backup-actions{display:flex;gap:8px;flex-wrap:wrap}