*{box-sizing:border-box}
body{font-family:Inter,Arial,sans-serif;background:#f1f5f9;color:#111827;margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;line-height:1.5}
.auth-card{width:100%;max-width:460px;background:#fff;border:1px solid #d8dee8;border-radius:8px;padding:32px;box-shadow:0 18px 44px rgba(15,23,42,.12)}
.steps{display:flex;align-items:center;margin-bottom:28px;color:#64748b;font-size:12px;font-weight:700}
.step{display:flex;align-items:center;gap:6px;white-space:nowrap}
.step-number{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#e2e8f0;color:#475569}
.step.active{color:#0f766e}.step.active .step-number{background:#0f766e;color:#fff}
.step.done{color:#15803d}.step.done .step-number{background:#dcfce7;color:#15803d}
.step-line{height:1px;flex:1;background:#cbd5e1;margin:0 8px}
h1{font-size:28px;line-height:1.2;margin:0 0 8px}
.subtitle{color:#64748b;margin:0 0 24px}
label{display:block;font-weight:800;margin:16px 0 6px}
input{width:100%;border:1px solid #cbd5e1;border-radius:8px;padding:12px;font:inherit;color:#111827;background:#fff}
input:focus{outline:3px solid rgba(15,118,110,.14);border-color:#0f766e}
.button{display:inline-block;width:100%;margin-top:22px;border:0;border-radius:8px;background:#0f766e;color:#fff;padding:13px 18px;font:inherit;font-weight:900;cursor:pointer;text-align:center;text-decoration:none}
.button:hover{background:#115e59}
.back-link{display:block;margin-top:20px;color:#0f766e;font-weight:800;text-align:center;text-decoration:none}
.back-link:hover{text-decoration:underline}
.message{border-radius:8px;padding:12px;margin:0 0 18px}
.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.note{background:#f0fdfa;color:#115e59;border:1px solid #99f6e4}
.otp-input{font-size:24px;font-weight:800;letter-spacing:8px;text-align:center}
@media(max-width:480px){.auth-card{padding:24px}.steps{font-size:11px}.step{gap:4px}.step-line{margin:0 5px}}