*{box-sizing:border-box}body{margin:0;padding:48px 20px;background:#f3f5f8;color:#182336;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.auth-card{width:100%;max-width:500px;margin:4vh auto;padding:36px;background:#fff;border:1px solid #dfe5ee;border-radius:18px;box-shadow:0 12px 40px #172b4d0a}.brand{font-size:14px;font-weight:800;letter-spacing:.07em;color:#1c4e9b}.brand span{margin-left:8px;font-weight:500;letter-spacing:0;color:#59677c}.step{margin-top:30px;color:#285eae;font-size:13px;font-weight:700}h1{font-size:26px;line-height:1.35;margin:10px 0 14px}.muted{color:#526178;font-size:14px}label{display:block;margin:18px 0 6px;font-size:14px;font-weight:600}input{width:100%;min-height:48px;border:1px solid #aab7c8;border-radius:8px;padding:10px 12px;font:inherit}input:focus{outline:3px solid #c6dbfc;border-color:#2861b8}.otp{font-size:26px;letter-spacing:.35em}button,.button{display:block;width:100%;margin-top:24px;padding:13px 16px;background:#2058a8;border:0;border-radius:8px;color:white;font:inherit;font-weight:600;cursor:pointer;text-align:center;text-decoration:none}.secondary{background:#eaf0f8;color:#234b83}button:hover,.button:hover{filter:brightness(.93)}.notice{margin:18px 0;padding:12px;background:#fff4e6;border:1px solid #efc58d;border-radius:8px;font-size:14px}.back{display:block;margin-top:24px;text-align:center;color:#365b88;font-size:14px}details{margin-top:24px;padding-top:16px;border-top:1px solid #e2e7ef}summary{cursor:pointer;color:#365b88;font-size:14px}.qr{display:block;margin:20px auto;max-width:100%;background:white}.secret{display:block;overflow-wrap:anywhere;user-select:all;padding:12px;background:#f3f5f8}.recovery-codes{padding:16px;background:#f3f5f8;border-radius:8px;font-size:13px;line-height:2;overflow:auto;user-select:all}@media(max-width:520px){body{padding:20px 12px}.auth-card{padding:24px 20px;margin:2vh auto}h1{font-size:24px}.recovery-codes{font-size:11px}}

.auth-card summary { min-height: 40px; padding-block: 8px; }
[aria-invalid="true"] { border-color: #a04c17; }