* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
  font-family: Arial, Helvetica, sans-serif;
  background-color: #0a001b;
  /*transition: background-color 0.5s;*/ 
  color: aliceblue;
  transition: background-color 0.3s, color 0.3s;
}

/*light mode */
body.light-mode {
  background-color:#d7d4db;
  color: #0a001b;
}

body.light-mode h1, 
body.light-mode h2, 
body.light-mode h3, 
body.light-mode p,
body.light-mode span {
    color: #0a001b;
}

body.light-mode .text-container h1,
body.light-mode .text-container p,
body.light-mode .text h1,
body.light-mode .text p,
body.light-mode .see-more-link,
body.light-mode #about h2,
body.light-mode #projects h2,
body.light-mode #experience h2,
body.light-mode #research h2,

body.light-mode #resume h2,
body.light-mode #skills h2,
body.light-mode #contact h2,
body.light-mode #contact-info h2,
body.light-mode #contact-info h3,
body.light-mode .contact-form,
body.light-mode .experience-item h3,
body.light-mode .experience-item p,
body.light-mode .contact-info a,
body.light-mode .contact-section a,
body.light-mode .footer a,
body.light-mode .panel a {
    color: #49356c;
}

body.light-mode #about,
body.light-mode #home,
body.light-mode #experience,
body.light-mode #projects,
body.light-mode #research,
body.light-mode #resume,
body.light-mode #skills,
body.light-mode #contact,
body.light-mode .contact-form,
body.light-mode .panel {
    background-color: #d7d4db;
}
html, body.light-mode {
  background-color: #d7d4db;
  margin: 0;
  padding: 0;
  height: 100%;
}

body.light-mode .accordion {
    background-color: #d7d4db;
    color: #49356c;
}

body.light-mode .panel {
    background-color: #d7d4db;
}


#theme-toggle {
  position: absolute;
  top: 65px;    /*move to bottom */
  left: 0;      /*move to left */
  background-color: none;
  padding: 0px 10px;
  border-radius: 5px;
  font-family: Arial, sans-serif;
  font-size: 16px;
  text-align: left;
}
.theme-toggle button {
  background: none;
  border: none;
  font-size: 35px;
  cursor: pointer;
  color: inherit;
}

/*top bar*/
.topBar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgb(149, 109, 248);
  padding: 5px 10px;
  color: aliceblue;
  font-size: 16px;
  position: fixed; 
  top: 0;          
  width: 100%;     
  z-index: 1000;   
}

.socialLinks a{
    color: aliceblue;
    text-decoration: none; /* delete underline*/
    margin: 0 15px;
}
.socialLinks a:hover{
    color: #0a001b;
}

/*3bar menu*/
.menu-icon {
    font-size: 30px;
    cursor: pointer;
    color: #FAF6F2;
    order: -1; /*moves to left*/
}

.container {
    display: inline-block;
    cursor: pointer;
  }
  
  .bar1, .bar2, .bar3 {
    width: 35px;
    height: 5px;
    background-color: aliceblue;
    margin: 6px 0;
    transition: 0.4s;
  }
  
  /* animation of bars to X*/
  .change .bar1 {
    transform: translate(0, 10px) rotate(-45deg);
  }
  
  .change .bar2 {
    opacity: 0; 
}
  
  .change .bar3 {
    transform: translate(0, -10px) rotate(45deg);
  }

  /*sidebar menu*/
  .menu {
    position: fixed;
    top: 0;
    right: -50vw;
    width: 50vw;
    height: 100%;
    background-color:rgb(34, 25, 57) ;
    box-shadow: -5px 0 10px rgba(0, 0, 0, 0.5);
    transition: 0.3s ease-in-out;
}

/*menu items*/
.menu ul {
    list-style-type: none;
    padding-top: 50px;
}
.menu ul li {
    text-align: center;
    padding: 20px;
    font-size: 24px;
}

.menu ul li a {
    color: #FAF6F2;
    text-decoration: none;
    display: block;
    font-weight: bold;
    transition: color 0.3s ease;
}

.menu ul li a:hover {
    color: gray;
    font-size: 26px;
}

/*push content*/
#main {
    padding: 16px;
}

/*smooth scroll when click menu*/
html {
    scroll-behavior: smooth;
}

.home-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 100px 10%;
}

/*to break on small screen*/
@media (max-width: 768px) {
  .home-section {
      flex-direction: column;
      align-items: center;
      text-align: center;
  }
  .text-container {
      padding-right: 0;
  }

  /*adjust font sizes for smaller devices */
  .text-container h1 {
      font-size: 2em;
  }

  .text-container p {
      font-size: 1em;
  }

  .menu ul li {
      font-size: 20px;
  }

  /*adjusting button sizes */
  .submit-btn {
      font-size: 0.9em;
  }
}


/*text container*/
.text-container {
    max-width: 500px;
    text-align: left; 
    flex: 1;
    padding-right: 20px; 
}

.text-container h1 {
    font-size: 3em;
    color: rgb(212, 198, 243);
}

.text-container p {
    font-size: 1.2em;
    color: aliceblue;
}

.text h1 {
    font-size: 3em;
    color: rgb(212, 198, 243);
}

.text p {
    font-size: 1.2em;
    color: aliceblue;
}

.see-more-link {
    font-size: 1.1em;
    color: rgb(212, 198, 243);
    text-decoration: none;
    margin-top: 15px;
}

.see-more-link:hover {
    text-decoration: underline;
}

.profile-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.circle {
    width: 250px;
    height: 250px;
    border-radius: 40%;
    overflow: hidden; /*keep img in circle*/
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid rgb(162, 129, 247);
    box-shadow: 0px 0px 10px rgba(255, 255, 255, 0.2);
}

.profile-pic {
    width: 100%;
    height: 100%;
    object-fit: cover; 
}

section{
    padding: 60px 20px;
    text-align: center;
}

/* about me section*/
#about {
    width: 80%; 
    margin: 40px auto; /* Centers the section*/
    padding: 20px;
}
#about h2{
    color: rgb(212, 198, 243);
    text-align: center;
    font-size: 2em;
}

/* for projects*/
/* the buttons that open and close the accordion panel */
.accordion {
    background-color: rgb(176, 164, 200);
    color: #444;
    cursor: pointer;
    padding: 18px;
    width: 100%;
    text-align: left;
    border: none;
    outline: none;
    font-size: 15px;
    transition: 0.4s;
  }
  
  .active, .accordion:hover {
    background-color: rgb(145, 130, 176);
  }
  
  .panel {
    padding: 0 18px;
    background-color: rgb(45, 38, 64);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
  }
  .panel a{
    font-size: 1.1em;
    color: rgb(212, 198, 243);
    text-decoration: none;
  }
  .panel a:hover {
    text-decoration: underline;
  }
  .accordion:after {
    content: '\02795'; /*unicode for +*/
    font-size: 13px;
    color: #5d5060;
    float: right;
    margin-left: 5px;
  }
  
  .active:after {
    content: "\2796"; /* unicode for - */
  }
  #projects {
    width: 80%; 
    margin: 40px auto; 
    padding: 20px;
    margin-top: 20px;
}
#projects h2{
    color: rgb(212, 198, 243);
    text-align: center;
    font-size: 2em;
}

/*experience*/
.experience-item h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
}

.experience-item ul {
    list-style-type: disc;
    margin-left: 20px;
}

.experience-item li {
    margin-bottom: 8px;
}

#experience {
    width: 80%; 
    margin: 40px auto; 
    padding: 20px;
    margin-top: 20px;
  }
  
  #experience h2 {
    color: rgb(212, 198, 243);
    text-align: center;
    font-size: 2em;
  }
  
  .experience-item {
    margin-bottom: 20px;
  }
  
  .experience-item p {
    font-style: italic;
    margin-bottom: 10px;
  }

/*research*/
#research {
  width: 80%; 
  margin: 40px auto; 
  padding: 20px;
  margin-top: 20px;
}

#research h2 {
  color: rgb(212, 198, 243);
  text-align: center;
  font-size: 2em;
}

.research-item {
  margin-bottom: 20px;
}

.research-item p {
  font-style: italic;
  margin-bottom: 10px;
}
.research-item ul {
  list-style-type: disc;
  margin-left: 20px;
}

.research-item li {
  margin-bottom: 8px;
}


/*resume*/
#resume {
  width: 80%; 
  margin: 40px auto; 
  padding: 20px;
  margin-top: 20px;
}

#resume h2 {
  color: rgb(212, 198, 243);
  text-align: center;
  font-size: 2em;
}

.resume-item {
  margin-bottom: 20px;
}

.resume-item p {
  font-style: italic;
  margin-bottom: 10px;
}
.resume-item ul {
  list-style-type: disc;
  margin-left: 20px;
}

.resume-item li {
  margin-bottom: 8px;
}


/*general button styles */
.btn {
  text-decoration: none;
  background-color: #6a5acd;
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  margin: 10px;
  display: inline-block;
}

/* Pop-up */
.popup {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  overflow: auto; 
}

/* content */
.popup-content {
  background-color: rgb(106, 79, 173);
  margin: 20% auto;
  padding: 20px;
  border-radius: 5px;
  width: 80%;
  max-width: 900px;
}

/*close button */
.close {
  color: aliceblue;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: black;
  text-decoration: none;
  cursor: pointer;
}


/* Skills */
#skills {
  padding: 5px;
  margin-top: 5px;
}

#skills h2 {
    color: rgb(212, 198, 243);
    text-align: center;
    font-size: 2em;
}

.skills-category {
  margin-bottom: 15px;
}

.skills-category h3 {
  font-size: 1em;
  margin-bottom: 6px;
  color: #333;
}

/* Skill rows (wraps skills in a flex container) */
.skills-row {
  display: flex;
  justify-content: center; 
  flex-wrap: wrap; 
  gap: 10px;   
  margin-top: 10px;
}

.skill {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  padding: 2px 4px;
  background: none;
  border-radius: 3px;
  box-shadow: 0.5px 0.5px 2px rgba(0, 0, 0, 0.05);
}

/* Skill icon */
#skills img {
  max-width: 100px; 
  height: auto;
  object-fit: contain;
  margin: 10px;
  display: inline-block;
}
.skills-category img {
  max-width: 100px; 
  height: auto;
  margin: 10px;
  object-fit: contain;
}

.skills-category {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

  
/*contact*/
#contact {
    padding: 20px;
    margin-top: 20px;
    padding-top: 80px;
}

#contact h2{
    color: rgb(212, 198, 243);
    text-align: center;
    font-size: 2em;
 }

 .contact-info {
    margin-bottom: 20px;
  }
 
  .contact-info h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
  }

  .contact-info a,
  .contact-section a {
    font-size: 1.1em;
    color: rgb(212, 198, 243);
    text-decoration: none;
}

.contact-info a:hover,
.contact-section a:hover {
    text-decoration: underline;
}


/*footer*/
.footer {
    color: rgb(162, 129, 247);
    text-align: center;
    padding: 20px 0;
    font-size: 12px;
    position:relative;
    bottom: 0;
    width: 100%;
    left: 0;

}
.footer .heart {
    color: palevioletred;
}



/*the contact form page*/
.contact-form {
  max-width: 600px;
  margin: 40px auto;
  padding: 30px;
  background-color: #1e1440;
  border-radius: 8px;
}

.form-group {
  margin-bottom: 20px;
}

.contact-form label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  background-color: #f4f4f4;
  color: #0a001b;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form .submit-btn {
  background-color: rgb(149, 109, 248);
  color: aliceblue;
  padding: 12px 24px;
  border: none;
  border-radius: 5px;
  font-size: 18px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.contact-form .submit-btn:hover {
  background-color: #b29dff;
}

/*the time*/
/*time at the bottom left corner */
.time-display {
  position: absolute;
  top: 15px;    /*to bottom */
  left: 30px;      /*to the left */
  background-color: none;
  color: #8b7edd;
  padding: 35px 20px;
  border-radius: 5px;
  font-family: Arial, sans-serif;
  font-size: 16px;
  text-align: left;
  animation: none;
}
.time-display p {
  margin: 0;
}