/* CSS Custom Properties */
:root {
  --color-primary: #05386B;
  --color-primary-hover: #052a4e;
  --color-primary-accent: #2b71b9;
  --color-primary-border: #1c538d;
  --color-bg: #ffffff;
  --color-bg-alt: #F7F7F7;
  --color-bg-muted: #f1f1f1;
  --color-bg-hover: #f5f8fa;
  --color-text: #05386B;
  --color-text-secondary: #333;
  --color-text-body: #444;
  --color-text-muted: #555;
  --color-text-subtle: #666;
  --color-text-on-primary: #fff;
  --color-border: #ccc;
  --color-border-light: #e0e0e0;
  --color-overlay: rgba(0, 0, 0, 0.5);
  --color-shadow: rgba(0, 0, 0, 0.2);
  --color-card-shadow: rgba(5, 56, 107, 0.15);
  --color-dropdown-shadow: rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] {
  --color-primary: #5BA4E6;
  --color-primary-hover: #7BB8ED;
  --color-primary-accent: #8FC4F0;
  --color-primary-border: #4A8CD4;
  --color-bg: #1a1a2e;
  --color-bg-alt: #16213e;
  --color-bg-muted: #0f3460;
  --color-bg-hover: #1a3a5c;
  --color-text: #e0e0f0;
  --color-text-secondary: #c0c0d0;
  --color-text-body: #b0b0c0;
  --color-text-muted: #9090a0;
  --color-text-subtle: #8888a0;
  --color-text-on-primary: #1a1a2e;
  --color-border: #3a3a5a;
  --color-border-light: #2a2a4a;
  --color-overlay: rgba(0, 0, 0, 0.7);
  --color-shadow: rgba(0, 0, 0, 0.5);
  --color-card-shadow: rgba(91, 164, 230, 0.2);
  --color-dropdown-shadow: rgba(0, 0, 0, 0.3);
}

/* CSS for all pages */
body {
  text-align: center;
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  font-family: 'Open Sans', sans-serif;
  font-size: 18px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

hr {
  background-color: var(--color-primary);
  height: 1px;
  border: 0px;
}

h1 {
  text-align: center;
}

h4 {
  text-align: center;
}

h5 {
  font-weight: bold;
  text-align: center;
  margin-bottom: 15px;
  margin-top: 15px;
}


#logo {
  width: 46px;
  height: 46px;
  overflow: hidden;
  float: left;
  position: absolute;
  top: 5px;
  left: 10px;
  transition: filter 0.2s ease;
}

[data-theme="dark"] #logo {
  filter: brightness(0) invert(1);
}

#logo-link {
  padding-left: 0px;
  padding-right: 0px;
}

#logo-link:hover {
  background-color: var(--color-bg);
}

footer {
  color: var(--color-text);
  margin-top: auto;
}

#linkedin {
  width: 18px;
  height: 18px;
}

#linkedin-link {
  vertical-align: middle;
}

/*link colour*/
a {
  color: var(--color-primary);
  font-weight: bold;
  cursor: pointer;
}

/*Navigation Bar CSS */
.topnav {
  background-color: var(--color-bg);
  position: fixed;
  width: 100%;
  z-index: 100;
}

.topnav a {
  float: right;
  color: var(--color-primary);
  text-align: center;
  padding: 16px 16px;
  text-decoration: none;
}

.topnav a:hover {
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
}

.topnav a.active {
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
}

[data-theme="dark"] .topnav a:hover {
  background-color: transparent;
  color: var(--color-primary-accent);
  border-bottom: 2px solid var(--color-primary);
}

[data-theme="dark"] .topnav a.active {
  background-color: transparent;
  color: var(--color-primary-accent);
  border-bottom: 2px solid var(--color-primary);
}

[data-theme="dark"] .dropdown:hover .dropbtn {
  background-color: transparent;
}

[data-theme="dark"] .dropdown:hover #resumebutton,
[data-theme="dark"] .dropdown-content:hover #resumebutton {
  color: var(--color-primary-accent);
}

.topnav ul {
  font-weight: bold;
  float: right;
  display: flex;
  margin: 0;
}

nav ul li {
  display: block;
}

/*Menu Dropdown*/
#resumebutton {
  font-family: 'Open Sans', sans-serif;
  font-size: 18px;
}

.dropbtn {
  border: none;
  padding: unset;
  background-color: transparent;
  text-decoration: none;
  cursor: pointer;
}

.dropdown {
  position: relative;
  height: 2.7rem;
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 56px;
  min-width: 180px;
  background-color: var(--color-bg);
  box-shadow: 0 1px 3px var(--color-dropdown-shadow);
  z-index: 1;
  left: 0;
  border-radius: 0;
}

.dropdown:hover .dropdown-content,
.dropdown-content.show {
  display: block;
}

.dropdown:focus-within .dropdown-content {
  display: block;
}

.dropdown:hover #resumebutton, .dropdown-content:hover #resumebutton {
  color: var(--color-text-on-primary);
}

.dropdown:hover .dropbtn {
  background-color: var(--color-primary);
  cursor: pointer;
}

.dropitem {
  display: block;
  width: 100%;
  box-sizing: border-box;
  text-align: left;
  padding: 0.75rem 1rem;
  text-decoration: none;
  white-space: nowrap;
  color: var(--color-primary);
  font-weight: normal;
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
}

.dropitem:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-primary-accent);
  border-left: 3px solid var(--color-primary);
}

/*homepage*/
#welcome-section {
  min-height: 100vh;
  padding-top: 20vh;
  text-align: center;
  box-sizing: border-box;
  background-color: var(--color-bg);
  color: var(--color-text);
}

#homepage-text {
  max-width: 600px;
  margin: auto;
}

/* can go into section above: clip-path: polygon(0 0, 100% 0%, 100% calc(100% - 6vw), 0% 100%);*/

/*Resume Page*/
.download-btn {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
  border: none;
  padding: 12px 24px;
  cursor: pointer;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.download-btn:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.download-btn:active {
  transform: translateY(0);
}

/* Tab Navigation */
.tab-container {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 24px 0;
  flex-wrap: wrap;
}

.tab-btn {
  background-color: var(--color-bg-muted);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  padding: 10px 20px;
  cursor: pointer;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  background-color: var(--color-border-light);
}

.tab-btn.active {
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
}

.tab-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.tab-panel {
  display: none;
  background-color: var(--color-bg);
}

.tab-panel.active {
  display: block;
  background-color: var(--color-bg);
}

/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 16px;
}

@media (max-width: 600px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

/* Resume Cards */
.resume-card {
  background-color: var(--color-bg);
  border: 2px solid var(--color-primary);
  border-radius: 12px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.resume-card:hover {
  box-shadow: 0 4px 12px var(--color-card-shadow);
  transform: translateY(-2px);
}

.resume-card:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.resume-card .card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 8px 0;
}

.resume-card .card-company {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin: 0 0 4px 0;
}

.resume-card .card-dates {
  font-size: 13px;
  color: var(--color-text-subtle);
  margin: 0 0 12px 0;
}

.resume-card .card-summary {
  font-size: 14px;
  color: var(--color-text-body);
  line-height: 1.5;
  margin: 0;
}

/* Skills Cards */
.skill-card {
  background-color: var(--color-bg);
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  border-radius: 12px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.skill-card:hover {
  box-shadow: 0 4px 12px var(--color-card-shadow);
  transform: translateY(-2px);
}

.skill-card:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.skill-card .card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
}

/* Education Cards - Not clickable */
.education-card {
  background-color: var(--color-bg);
  border: 2px solid var(--color-primary);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}

.education-card .card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 8px 0;
}

.education-card .card-institution {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin: 0 0 4px 0;
}

.education-card .card-dates {
  font-size: 13px;
  color: var(--color-text-subtle);
  margin: 0 0 8px 0;
}

.education-card .card-details {
  font-size: 14px;
  color: var(--color-text-body);
  margin: 0;
}

/* Achievement Cards */
.achievement-card {
  background-color: var(--color-bg);
  border: 2px solid var(--color-primary);
  border-radius: 12px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.achievement-card:hover {
  box-shadow: 0 4px 12px var(--color-card-shadow);
  transform: translateY(-2px);
}

.achievement-card:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.achievement-card .card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
}

/* Modal Popup */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-overlay);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background-color: var(--color-bg);
  border-radius: 16px;
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 24px;
  position: relative;
  box-shadow: 0 8px 32px var(--color-shadow);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text-subtle);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background-color 0.2s ease;
}

.modal-close:hover {
  background-color: var(--color-bg-muted);
}

.modal-close:focus {
  outline: 2px solid var(--color-primary);
}

.modal-header {
  margin-bottom: 16px;
  padding-right: 40px;
}

.modal-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 8px 0;
}

.modal-header .modal-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin: 0 0 4px 0;
}

.modal-header .modal-dates {
  font-size: 14px;
  color: var(--color-text-subtle);
  margin: 0;
}

.modal-body {
  text-align: left;
}

.modal-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 16px 0 8px 0;
}

.modal-body ul {
  margin: 0 0 16px 0;
  padding-left: 20px;
}

.modal-body li {
  margin-bottom: 8px;
  line-height: 1.5;
}

.modal-body a {
  color: var(--color-primary);
}

/* Skills Modal */
.skill-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.skill-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.skill-list li:last-child {
  border-bottom: none;
}

#logos {
  width: 40px;
  float: left;
}

form {
  text-align: center;
}

#resume {
  background-color: var(--color-bg);
  color: var(--color-text);
  padding-top: 56px;
  padding-bottom: 56px;
  padding-left: 20px;
  padding-right: 20px;
  margin: auto;
  max-width: 900px;
}

#resume-main {
  background-color: var(--color-bg);
  color: var(--color-text);
  text-align: left;
  margin: auto;
}



/*Portfolio page*/
#portfolio-page {
  padding-top: 56px;
  padding-bottom: 56px;
  max-width: 900px;
  margin: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Portfolio Cards */
.portfolio-card {
  background-color: var(--color-bg);
  border: 2px solid var(--color-primary);
  border-radius: 12px;
  padding: 0;
  cursor: default;
  transition: all 0.2s ease;
  text-align: center;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  box-shadow: 0 4px 12px var(--color-card-shadow);
  transform: translateY(-2px);
}

.portfolio-card:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.portfolio-card .card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 16px 16px 8px;
}

.portfolio-card .card-summary {
  font-size: 14px;
  color: var(--color-text-body);
  line-height: 1.5;
  margin: 0 16px 12px;
  flex-grow: 1;
  text-align: left;
}

.card-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 16px 12px;
  justify-content: center;
}

.tool-tag {
  background-color: var(--color-bg-muted);
  color: var(--color-primary);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.card-links {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--color-border-light);
  justify-content: center;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-primary);
  padding: 4px 12px;
  border: 1px solid var(--color-primary);
  border-radius: 6px;
  transition: all 0.2s ease;
}

.card-link::after {
  content: " \2197";
  font-size: 12px;
}

.card-link:hover {
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
}

.card-link-primary {
  background-color: var(--color-primary);
  color: var(--color-text-on-primary);
}

.card-link-primary:hover {
  background-color: var(--color-primary-hover);
}

#portfolio-loading {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--color-text-muted);
  font-style: italic;
}

/* Theme Toggle */
#theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 16px;
  font-size: 20px;
  color: var(--color-primary);
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
}

#theme-toggle:hover {
  color: var(--color-primary-accent);
}

/*About me page*/
#about-page {
  padding-top: 56px;
  padding-bottom: 56px;
  max-width: 600px;
  margin: auto;
}

#picture {
  width: 60%;
  max-width: 600px;
  object-position: top;
}

ol {
  display: inline-block;
  text-align: start;
  margin: 0;
}


/*Contact Page*/

#contact-section {
  padding-top: 56px;
  padding-bottom: 56px;
  max-width: 600px;
  margin: auto;
}

.contactform {
  padding: 2vh;
}

.form-style {
  max-width: 50vh;
  margin: 10px auto;
  padding: 16px;
  background: var(--color-bg-alt);
}

.form-style h1 {
  background: var(--color-primary);
  padding: 20px 0;
  font-size: 140%;
  font-weight: 300;
  text-align: center;
  color: var(--color-text-on-primary);
  margin: -16px -16px 16px -16px;
}

.form-style input[type="text"],
.form-style input[type="email"],
.form-style input[type="tel"],
.form-style textarea,
.form-style select
{
  outline: none;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  width: 100%;
  background: var(--color-bg);
  margin-bottom: 4%;
  border: 1px solid var(--color-border);
  padding: 3%;
  color: var(--color-text-muted);
  font: 95% Arial, Helvetica, sans-serif;
}


.form-style input[type="submit"],
.form-style input[type="button"]{
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  width: 100%;
  padding: 2vh;
  background: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  border-top-style: none;
  border-right-style: none;
  border-left-style: none;
  color: var(--color-text-on-primary);
  font-size: 18px;
}
.form-style input[type="submit"]:hover,
.form-style input[type="button"]:hover{
  background: var(--color-primary-accent);
  border-bottom: 2px solid var(--color-primary-accent);
  cursor: pointer;
}

/*For Mobile devices*/

@media only screen and (max-width: 600px) {
  #resume, #portfolio-page, #about-page, #contact-section {
    padding-top: 45px;
    padding-bottom: 45px;
  }
  .topnav, #welcome-section, #resume, #resume-main, #portfolio-page, #contact-section, #about-page {
    padding-left: 10px;
    padding-right: 10px;
  }
  #logo {
    height: 2rem;
    width: 2rem;
  }
  .topnav a, .topnav, .topnav ul, #navbar, #resumebutton {
    font-size: .6rem;
  }
  ul {
    text-align: left;
  }
  #welcome-section {
    padding-top: 10vh;
  }
  /* This is a workaround to make the dropdown menu not show on mobile */
  .dropitem {
    display: none;
  }
  #theme-toggle {
    font-size: 14px;
    padding: 10px;
  }
}