* { margin: 0; padding: 0; box-sizing: border-box } body { font-family: Arial,sans-serif; background: linear-gradient(135deg,#e0eaff,#fff,#e0eaff); height: 100vh; display: flex; justify-content: center; align-items: center; padding: 10px; color: #333 } .container { width: 100%; max-width: 400px; padding: 20px; background: none; align-items: center; } h1 { font-size: 2.5rem; color: #1877f2; font-weight: 700; margin-bottom: 10px; text-align: center } h2 { font-size: 1.25rem; color: #333; margin-bottom: 20px; text-align: center } form { display: none; opacity: 0; transform: translateY(-20px); transition: opacity .5s ease,transform .5s ease; margin-top: 20px; justify-content: center; align-items: center; } form.active { display: flex; flex-direction: column; gap: 15px; opacity: 1; transform: translateY(0); } input { padding: 16px; border: 1px solid rgba(0,0,0,.2); border-radius: 10px; font-size: 1rem; width: 100%; transition: all .3s ease } input:focus { border-color: #1877f2; outline: 0; box-shadow: 0 0 8px rgba(24,119,242,.3) } button { padding: 16px 20px; background-color: #1877f2; color: #fff; border: none; border-radius: 10px; font-size: 1rem; font-weight: 700; width: 100%; cursor: pointer; transition: background-color .3s ease } button:disabled { background-color: #ddd; cursor: not-allowed } button:hover:enabled { background-color: #155db2 } .create-account-btn { width: 66%; align-self: center; color: #1877f2; background-color: transparent; margin-top: 10px; border: 1.5px solid #1877f2; border-radius: 10px; font-size: 0.9rem; padding: 12px 12px; } .create-account-btn:hover { background-color: #e0eaff; color: white; } .toggle-link { font-size: .9rem; color: #555; margin-top: 10px; text-align: center } .toggle-link a { color: #1877f2; text-decoration: none; font-weight: 700 } .toggle-link a:hover { text-decoration: underline } .forgot-password { text-align: center; margin-top: 10px; font-size: .875rem; color: #555 } .forgot-password a { color: #1877f2; text-decoration: none; font-weight: 700; opacity: 80%; } .forgot-password a:hover { text-decoration: underline; opacity: 100%; } .divider { display: flex; align-items: center; justify-content: center; margin: 8px 0 } .divider::after,.divider::before { content: ''; flex: 1; height: 1px; background: #ddd } .divider span { margin: 0 10px; font-size: .875rem; color: #666 } .footer { margin-top: 20px; font-size: .75rem; color: #999; text-align: center } .footer a { color: #666; text-decoration: none; margin: 0 5px } .footer a:hover { text-decoration: underline } .password-requirements { display: flex; flex-direction: column; gap: 12px; margin-top: 20px; font-size: 1.0rem; color: #555 } .password-requirements .requirement-group { display: flex; gap: 20px } .password-requirements .requirement { flex: 1; display: flex; align-items: center } .password-requirements .requirement span { margin-left: 8px; display: block } .password-requirements .requirement .invalid { color: #e74c3c } .password-requirements .requirement .valid { color: #2ecc71 } @media (max-width: 500px) { .container { padding:15px } h1 { font-size: 2rem } h2 { font-size: 1.125rem } button { padding: 12px; font-size: .875rem } } @media (max-width: 375px) { h1 { font-size:1.75rem } h2 { font-size: 1rem } input { padding: 14px; font-size: .875rem } .create-account-btn { font-size: .875rem } }