body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(135deg, #f5f7ff 0%, #eef4ff 100%);
    color: #1f2937;
}

body > h1 {
    margin: 0 0 16px;
    font-size: 28px;
    font-weight: 700;
    color: #171817f6;
    text-align: center;
}

body > form {
    width: min(100%, 420px);
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
    padding: 28px 24px;
}

body > form label,
body > form div {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #374151;
}

body input[type="text"],
body input[type="email"],
body input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 12px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    box-sizing: border-box;
    font-size: 15px;
    outline: none;
}

body input:focus {
    border-color: #171817f6;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

body input[name="otp"] {
    text-align: center;
    letter-spacing: 0.35rem;
    font-size: 18px;
    max-width: 220px;
    margin: 10px auto 14px;
    display: block;
}

body button,
body input[type="submit"] {
    width: 100%;
    padding: 12px 14px;
    border: none;
    border-radius: 10px;
    background: #2563eb;
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

body button:hover,
body input[type="submit"]:hover {
    background: #1d4ed8;
}

body > p {
    margin: 0 0 12px;
    text-align: center;
    color: #4b5563;
}

body > form p {
    margin: 6px 0 0;
    font-size: 13px;
    color: #dc2626;
}

body > a {
    margin-top: 14px;
    color: #171817f6;
    text-decoration: none;
    font-weight: 600;
}