Enhanced Signup page (#160)

<!-- ISSUE & PR TITLE SHOULD BE SAME-->
## Description
Fixes #154
<!--Please include a brief description of the changes-->
This PR introduces a comprehensive set of updates aimed at modernizing
and improving the visual appeal of the login page. Key enhancements
include:

Updated the color scheme to a modern 2024 palette with softer gradients
and vibrant call-to-action buttons.
Improved button hover effects with subtle transitions, shadows, and
scaling for a more interactive and responsive feel.
Enhanced form field focus states for better UX feedback.
Ensured responsiveness across multiple screen sizes, especially for
mobile devices.
Updated fonts for improved readability and modern design.

## Related Issues

<!--Cite any related issue(s) this pull request addresses. If none,
simply state “None”-->
Closes # (Issue related to login page redesign)

## Type of PR
<!-- Mention PR Type according to the issue in brackets below and check
the below box -->
- [  UI/UX Enhancement] ()

## Screenshots / videos (if applicable)
<!--Attach any relevant screenshots or videos demonstrating the
changes-->


https://github.com/user-attachments/assets/3598f774-36d6-46fb-a65c-39f6e444b97a

## Checklist
<!-- [X] - put a cross/X inside [] to check the box -->
I have gone through the [contributing
guide](https://github.com/Anjaliavv51/Retro).
I have updated my branch and synced it with the project main branch
before making this PR.
 I have performed a self-review of my code.
I have tested the changes thoroughly before submitting this pull
request.
I have provided relevant issue numbers, screenshots, and videos after
making the changes.
 I have commented my code, particularly in hard-to-understand areas.


## Additional context:
<!--Include any additional information or context that might be helpful
for reviewers.-->
These enhancements were made to bring the login page in line with modern
UI trends, ensuring the interface is more user-friendly, visually
appealing, and responsive to different devices.

Css-files/signup1.css

@@ -1,146 +1,130 @@
 @import url('https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;700&display=swap');
 
-body {
-  margin: 0;
+:root {
+  --primary-color: #e13838;
+  --input-bg: #ffe6e9; 
+  --input-border: #ff8ca1; 
+  --btn-color: #be367a; 
+  --hover-color: #e75480; 
+  --btn-text-color: #ffffff; 
+  --card-bg: rgba(255, 255, 255, 0.95); /* Semi-transparent white for card background */
+  --box-shadow: 0px 10px 20px rgba(0, 0, 0, 0.1); /* Soft shadow for card */
+  --transition-speed: 0.3s; /* Transition speed for effects */
+  --border-radius: 10px; /* Consistent border radius */
 }
 
-body * {
-  box-sizing: border-box;
-}
-body{
-  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 1600 800'%3E%3Cg %3E%3Cpath fill='%23ffb9b0' d='M486 705.8c-109.3-21.8-223.4-32.2-335.3-19.4C99.5 692.1 49 703 0 719.8V800h843.8c-115.9-33.2-230.8-68.1-347.6-92.2C492.8 707.1 489.4 706.5 486 705.8z'/%3E%3Cpath fill='%23ffc1b7' d='M1600 0H0v719.8c49-16.8 99.5-27.8 150.7-33.5c111.9-12.7 226-2.4 335.3 19.4c3.4 0.7 6.8 1.4 10.2 2c116.8 24 231.7 59 347.6 92.2H1600V0z'/%3E%3Cpath fill='%23ffc8bf' d='M478.4 581c3.2 0.8 6.4 1.7 9.5 2.5c196.2 52.5 388.7 133.5 593.5 176.6c174.2 36.6 349.5 29.2 518.6-10.2V0H0v574.9c52.3-17.6 106.5-27.7 161.1-30.9C268.4 537.4 375.7 554.2 478.4 581z'/%3E%3Cpath fill='%23ffcfc6' d='M0 0v429.4c55.6-18.4 113.5-27.3 171.4-27.7c102.8-0.8 203.2 22.7 299.3 54.5c3 1 5.9 2 8.9 3c183.6 62 365.7 146.1 562.4 192.1c186.7 43.7 376.3 34.4 557.9-12.6V0H0z'/%3E%3Cpath fill='%23FFD6CE' d='M181.8 259.4c98.2 6 191.9 35.2 281.3 72.1c2.8 1.1 5.5 2.3 8.3 3.4c171 71.6 342.7 158.5 531.3 207.7c198.8 51.8 403.4 40.8 597.3-14.8V0H0v283.2C59 263.6 120.6 255.7 181.8 259.4z'/%3E%3Cpath fill='%23ffdcd4' d='M1600 0H0v136.3c62.3-20.9 127.7-27.5 192.2-19.2c93.6 12.1 180.5 47.7 263.3 89.6c2.6 1.3 5.1 2.6 7.7 3.9c158.4 81.1 319.7 170.9 500.3 223.2c210.5 61 430.8 49 636.6-16.6V0z'/%3E%3Cpath fill='%23ffe1d9' d='M454.9 86.3C600.7 177 751.6 269.3 924.1 325c208.6 67.4 431.3 60.8 637.9-5.3c12.8-4.1 25.4-8.4 38.1-12.9V0H288.1c56 21.3 108.7 50.6 159.7 82C450.2 83.4 452.5 84.9 454.9 86.3z'/%3E%3Cpath fill='%23ffe6df' d='M1600 0H498c118.1 85.8 243.5 164.5 386.8 216.2c191.8 69.2 400 74.7 595 21.1c40.8-11.2 81.1-25.2 120.3-41.7V0z'/%3E%3Cpath fill='%23ffebe4' d='M1397.5 154.8c47.2-10.6 93.6-25.3 138.6-43.8c21.7-8.9 43-18.8 63.9-29.5V0H643.4c62.9 41.7 129.7 78.2 202.1 107.4C1020.4 178.1 1214.2 196.1 1397.5 154.8z'/%3E%3Cpath fill='%23FFF0EA' d='M1315.3 72.4c75.3-12.6 148.9-37.1 216.8-72.4h-723C966.8 71 1144.7 101 1315.3 72.4z'/%3E%3C/g%3E%3C/svg%3E");
+body {
+  margin: 0;
+  font-family: 'Noto Sans', sans-serif;
+  background: linear-gradient(135deg, #ffb6c1, #ff69b4); 
   background-size: cover;
-}
-:root{
-            --ff-philosopher: "Philosopher", sans-serif;
-            --ff-poppins: "Poppins", sans-serif;
-        }
-.main-login {
-  width: 100vw;
-  height: 100vh;
+  background-attachment: fixed;
   display: flex;
   justify-content: center;
   align-items: center;
+  height: 100vh; /* Full viewport height */
+  padding: 20px; /* Padding to avoid overflow */
+  overflow: hidden; /* Prevents overflow */
 }
 
-.left-login {
-  width: 50vw;
-  height: 100vh;
+.main-login {
   display: flex;
   justify-content: center;
   align-items: center;
-  flex-direction: column;
+  width: 100%;
+  overflow: hidden; /* Ensure nothing overflows from the flexbox */
 }
 
-.left-login > h1 {
-  color: #e13838;
-  font-size: 2.5vw;
+.card-login {
+  width: calc(100% - 40px); /* Full width minus padding */
+  max-width: 400px; /* Max width for better layout */
+  padding: 30px;
+  border-radius: var(--border-radius);
+  box-shadow: var(--box-shadow);
+  background-color: var(--card-bg);
+  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
+  display: flex; /* Flex to stack elements */
+  flex-direction: column; /* Column layout for the card */
+  overflow: hidden; /* Added to ensure no content spills out */
 }
 
-.left-login-image {
-  width: 35vw;
+.card-login:hover {
+  transform: translateY(-4px); /* Lift effect on hover */
+  box-shadow: 0px 15px 25px rgba(0, 0, 0, 0.15); /* More pronounced shadow on hover */
 }
 
-.right-login {
-  width: 50vw;
-  height: 100vh;
-  display: flex;
-  justify-content: center;
-  align-items: center;
+.card-login h1 {
+  font-size: 2.5rem; /* Larger font size for the title */
+  color: var(--primary-color);
+  text-align: center; /* Centered title */
+  margin-bottom: 20px;
+  text-transform: uppercase; /* Uppercase for modern touch */
+  letter-spacing: 1px; /* Spacing between letters */
 }
 
-.card-login {
-  width: 60%;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  flex-direction: column;
-  padding: 30px 35px;
-  border-radius: 20px;
-  box-shadow: 0px 10px 40px #00000056;
+.textfield {
+  margin-bottom: 15px; /* Add margin to space fields */
+  display: flex; /* Flex for better layout */
+  flex-direction: column; /* Column layout for input and label */
 }
 
-.card-login > h1 {
-  color: #e13838;
-  font-weight: 800;
-  margin: 0;
+.textfield label {
+  font-weight: 700; /* Bold label for clarity */
+  margin-bottom: 5px; /* Space between label and input */
+  color: #555; /* Slightly darker color for the label */
 }
 
-.textfield {
-  width: 100%;
-  display: flex;
-  flex-direction: column;
-  align-items: flex-start;
-  justify-content: center;
-  margin: 10px 0px;
-}
 .textfield > input {
   width: 100%;
-  border: none;
-  border-radius: 10px;
   padding: 15px;
-  color: #030707de;
-  font-size: 12pt;
-  box-shadow: 0px 10px 40px #00000056;
-  outline: none;
-  box-sizing: border-box;
+  background-color: var(--input-bg);
+  border: 2px solid transparent;
+  border-radius: var(--border-radius); /* Consistent rounded corners */
+  transition: border var(--transition-speed), box-shadow var(--transition-speed);
+  font-size: 1rem;
+  color: #333;
+  box-sizing: border-box; /* Ensures padding doesn't affect input width */
 }
 
-.textfield > label {
-  color: #f0ffffde;
-  margin-bottom: 10px;
-}
-
-.textfield > input::placeholder {
-  color: #000000;
+.textfield > input:focus {
+  border-color: var(--input-border);
+  box-shadow: none; /* Remove unwanted glow or shadow */
 }
 
 .btn-login, #google-login {
-  width: 100%;
-  padding: 16px 0;
+  padding: 16px;
   margin: 10px 0;
+  background-color: var(--btn-color); 
+  color: var(--btn-text-color);
+  font-weight: bold;
   border: none;
-  border-radius: 8px;
-  outline: none;
-  text-transform: uppercase;
-  font-weight: 800;
-  letter-spacing: 3px;
-  color: #bec44b;
-  background: white;
+  border-radius: var(--border-radius);
   cursor: pointer;
-  box-shadow: 0px 10px 40px -12px #ddd;
+  transition: background-color var(--transition-speed), box-shadow var(--transition-speed), transform var(--transition-speed);
+  letter-spacing: 1.5px; 
+  width: 100%; /* Full width for buttons */
 }
 
-@media only screen and (max-width: 950px) {
-  .card-login {
-    width: 85%;
-  }
+.btn-login:hover, #google-login:hover {
+  background-color: var(--hover-color); 
+  box-shadow: 0px 15px 45px -10px rgba(0, 0, 0, 0.2); 
+  transform: scale(1.03); 
 }
 
+.btn-login:focus, #google-login:focus {
+  outline: 2px solid var(--hover-color); /* Add focus outline */
+  outline-offset: 3px;
+}
+
+/* Responsive design for smaller screens */
 @media only screen and (max-width: 600px) {
   .main-login {
     flex-direction: column;
-  }
-
-  .left-login > h1 {
-    display: none;
-  }
-
-  .left-login {
-    width: 100%;
-    height: auto;
-  }
-
-  .right-login {
-    width: 100%;
-    height: auto;
-  }
-
-  .left-login-image {
-    width: 40vh;
+    padding: 0 20px; /* Added padding to avoid edge overflow */
   }
 
   .card-login {
-    width: 90%;
+    width: 100%; /* Full width for mobile */
+    padding: 20px; /* Adjust padding */
   }
 }