/* light mode */
:root {
  --bg0: #fdfbf7;
  --bg1: #ede8de;
  --bg2: #e3ddd0;
  --bg3: #d0c9ba;
  --bg4: #bfb8a8;
  --fg: #2d353b;
  --red: #c94040;
  --orange: #c07040;
  --yellow: #a08030;
  --green: #4f7942;
  --aqua: #3a7a65;
  --mist: #e8f1ed;
  --blue: #3a7080;
  --purple: #8050a0;
  --grey0: #7a8478;
  --grey1: #4a5048;
  --grey2: #706868;
  /* cv section colors */
  --cv-green: #3a5a30;
  --cv-blue: #354656;
}

/* dark mode */
body.dark-mode {
  --bg0: #1a1a1c;
  --bg1: #343f44;
  --bg2: #3d484d;
  --bg3: #475258;
  --bg4: #4f585e;
  --fg: #ece6dc;
  --red: #e67e80;
  --orange: #e69875;
  --yellow: #dbbc7f;
  --green: #a7c080;
  --aqua: #83c092;
  --mist: #4c4f4e;
  --blue: #7fbbb3;
  --purple: #d699b6;
  --grey0: #7a8478;
  --grey1: #859289;
  --grey2: #9da9a0;
  /* cv section dark mode colors */
  --cv-green: #a8c080cf;
  --cv-blue: #7fa3bbc7;
}

*,
*::after,
*::before {
  box-sizing: border-box;
}
@font-face {
  font-family: "CMUnti";
  src: url("gradcafe_analysis/fonts/cmunti.woff2") format("woff2");
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: "Computer Modern";
  src: url("gradcafe_analysis/fonts/cmunrm.woff2") format("woff2");
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: "CMU Sans Serif";
  src: url("gradcafe_analysis/fonts/cmunss.woff2");
  font-weight: normal;
  font-style: normal;
}

body {
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 400;
  color: var(--grey1);
  background: var(--bg0);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition:
    background 0.4s ease,
    color 0.4s ease;
}

.js .loading::before,
.js .loading::after {
  content: "";
  position: fixed;
  z-index: 1000;
}

.loading::before {
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg0);
}

.loading::after {
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  border: 8px solid var(--bg2);
  border-bottom-color: var(--green);
  border-radius: 50%;
  animation: animLoader 0.8s linear infinite forwards;
}

@keyframes animLoader {
  to {
    transform: rotate(360deg);
  }
}

.hidden {
  position: absolute;
  overflow: hidden;
  width: 0;
  height: 0;
  pointer-events: none;
}

a {
  text-decoration: none;
  color: var(--fg);
  outline: none;
  transition: color 0.3s ease;
}

a:hover,
a:focus {
  color: var(--green);
}

main {
  display: flex;
  flex-wrap: wrap;
}

.my-header {
  position: relative;
  z-index: 100;
  display: flex;
  align-items: center;
  width: 100%;
  padding: 3em 2em 2em;
  order: 1;
  transition: background 0.4s ease;
}

.my-header::before {
  content: "";
  flex: 1;
}

.page-about:not(.grid--hidden) ~ header .my-header__title,
body:has(.page-about:not(.grid--hidden)) .my-header__title,
.page-about:not(.grid--hidden) ~ header .my-header::before,
body:has(.page-about:not(.grid--hidden)) .my-header::before {
  display: none;
}

.my-header__title {
  flex: 0 1 auto;
  font-size: 1.2em;
  font-weight: 500;
  margin: 0;
  text-align: center;
  text-indent: 199px;
  color: var(--fg);
  letter-spacing: 0.5px;
  transition: color 0.4s ease;
}

/* Remove text-indent on small/phone screens */
@media screen and (max-width: 768px) {
  .my-header__title {
    text-indent: 0;
  }
}

.social-links {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  gap: 1em;
  z-index: 101;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.social-icon:hover {
  transform: translateY(-3px);
}

.social-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--grey1);
  transition: fill 0.3s ease;
}

.social-icon:hover svg {
  fill: var(--green);
}

.octo-arm {
  transform-origin: 130px 106px;
}

.social-icon:hover .octo-arm {
  animation: octocat-wave 560ms ease-in-out;
}

@keyframes octocat-wave {
  0%,
  100% {
    transform: rotate(0);
  }
  20%,
  60% {
    transform: rotate(-25deg);
  }
  40%,
  80% {
    transform: rotate(10deg);
  }
}

.content--side {
  position: relative;
  z-index: 100;
  width: 15vw;
  min-width: 130px;
  max-height: 100vh;
  padding: 0 1em;
  order: 2;
  transition: background 0.4s ease;
}

.content--center {
  flex: 1;
  max-width: calc(100vw - 130px);
  order: 3;
  padding: 0 2em;
  transition: background 0.4s ease;
}

.control--grids {
  margin: 0 0 2.5em;
  text-align: right;
}

.control__title {
  font-size: 0.85em;
  display: block;
  width: 100%;
  margin: 0 0 1em;
  color: var(--green);
  transition: color 0.4s ease;
}

.control__item {
  position: relative;
  display: block;
  margin: 0 0 0.5em;
}

.control__radio {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  opacity: 0;
}

.control__label {
  white-space: nowrap;
  display: block;
  padding: 0.5em;
  color: var(--grey1);
  transition:
    color 0.3s ease,
    background 0.3s ease;
  cursor: pointer;
  border-radius: 4px;
}

.control__radio:checked + .control__label {
  color: var(--bg0);
  background: var(--green);
  box-shadow: 0 4px 12px rgba(168, 192, 128, 0.03);
}

.control__radio:not(:checked):hover + .control__label {
  color: var(--fg);
  background: var(--bg2);
}

.grid {
  position: relative;
  z-index: 2;
  transition:
    opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
}

.page-projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
  margin: 0 auto;
  max-width: 1200px;
}

@media screen and (min-width: 1200px) {
  .page-projects {
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-cv,
.page-about {
  display: block;
}

.grid--hidden {
  position: fixed !important;
  z-index: 1;
  top: 0;
  left: 0;
  width: 100%;
  pointer-events: none;
  opacity: 0;
  transform: translateY(30px);
}

.grid__item {
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: scale(0.8);
  min-height: 200px;
  border-radius: 6px;

  background-clip: padding-box;
  transform-style: preserve-3d;

  transition:
    transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.4s ease,
    border-color 0.3s ease;
  background: var(--bg1);
  border: 1px solid var(--bg3);
  box-shadow:
    0 4px 6px rgba(0, 0, 0, 0.1),
    0 2px 4px rgba(0, 0, 0, 0.06);
}

.grid__item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow:
    0 20px 30px rgba(0, 0, 0, 0.3),
    0 10px 10px rgba(0, 0, 0, 0.2);
  border-color: var(--bg4);
}

.grid__item.has-video {
  aspect-ratio: 1/1;
}

.grid__link {
  display: block;
  position: relative;
  height: 100%;
}

.grid__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition:
    transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
    filter 0.3s ease,
    opacity 0.5s ease;
  opacity: 0;
  filter: saturate(0.85);
}

/* dark mode thumbnail filter */
body.dark-mode .grid__img {
  filter: hue-rotate(-5deg) saturate(0.8) brightness(0.79) contrast(0.9);
}

.grid__img.loaded {
  opacity: 1;
}

.grid__item:hover .grid__img {
  transform: scale(1.08);
  filter: brightness(0.88) contrast(1.05) saturate(0.95);
}

body.dark-mode .grid__item:hover .grid__img {
  filter: sepia(0.2) hue-rotate(-3deg) saturate(0.9) brightness(0.95)
    contrast(1.05);
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.grid__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(167, 192, 128, 0.1) 50%,
    transparent 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.grid__item:not(:has(.grid__img.loaded))::before {
  opacity: 1;
}

.grid__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg0) 0%, var(--mist) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition:
    opacity 0.4s ease,
    backdrop-filter 0.4s ease;
  padding: 25px;
  z-index: 2;
}

.grid__item:hover .grid__overlay {
  opacity: 1;
  backdrop-filter: blur(12px);
}

.grid__title {
  font-family: Georgia, serif;
  font-size: 1.3em;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--fg);
  text-align: center;
  line-height: 1.3;
  max-width: 100%;
  word-wrap: break-word;
  overflow-wrap: break-word;
  transform: translateY(10px);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.grid__item:hover .grid__title {
  transform: translateY(0);
  color: var(--fg);
}

.grid__description {
  font-size: 0.9em;
  color: var(--grey2);
  line-height: 1.5;
  text-align: center;
  margin-bottom: 15px;
  max-width: 100%;
  transform: translateY(10px);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) 0.05s;
}

.grid__item:hover .grid__description {
  transform: translateY(0);
}

.grid__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: auto;
}

.grid__tag {
  background: transparent;
  color: var(--grey1);
  padding: 4px 14px;
  border-radius: 4px;
  font-size: 0.8em;
  font-weight: 600;
  border: 1px solid var(--grey0);
  cursor: default;
  user-select: none;
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.grid__item .grid__tag:hover {
  color: var(--aqua);
  border-color: var(--aqua);
  transform: translateY(-2px);
  box-shadow: 0 2px 5px #83c0922b;
}

.grid__tag:nth-child(1) {
  transition-delay: 0.1s;
}
.grid__tag:nth-child(2) {
  transition-delay: 0.15s;
}
.grid__tag:nth-child(3) {
  transition-delay: 0.2s;
}
.grid__tag:nth-child(4) {
  transition-delay: 0.25s;
}

/* CV page header title override */
body:has(.page-cv:not(.grid--hidden)) .my-header__title {
  color: var(--fg);
  font-family: "EB Garamond", Georgia, serif;
  font-size: 1.6em;
  font-weight: 400;
  letter-spacing: 0.03em;
  padding-top: 0.4em;
  text-indent: 0;
}

/* CV Page */
.cv-container {
  max-width: 1020px;
  margin: 0 auto;
  padding: 1.2em 2em 3em 2em;
  color: var(--fg);
  font-family: "EB Garamond", Georgia, serif;
  font-size: 16.5px;
  line-height: 1.35;
}

.cv-section {
  margin-bottom: 1.6em;
  opacity: 0;
  transform: translateY(20px);
}

.cv-section h2 {
  font-family: "EB Garamond", Georgia, serif;
  font-size: 1.25em;
  font-weight: 700;
  color: var(--fg);
  margin-top: 0;
  margin-bottom: 0.45em;
  padding-bottom: 0.25em;
  border-bottom: 1px solid var(--bg4);
  letter-spacing: 0.015em;
}

.cv-item {
  margin-bottom: 1.1em;
}

.cv-item h3 {
  font-family: "EB Garamond", Georgia, serif;
  font-size: 1.05em;
  font-weight: 700;
  color: var(--fg);
  margin: 0 0 0.1em 0;
}

.cv-item .position {
  font-family: "CMUnti", Georgia, serif;
  font-size: 0.97em;
  color: var(--cv-green);
  margin: 0 0 0.1em 0;
  font-style: regular;
}

.cv-item .date {
  font-family: "EB Garamond", Georgia, serif;
  color: var(--cv-blue);
  font-size: 0.93em;
  margin-bottom: 0.4em;
  display: block;
}

.cv-item p,
.cv-item ul {
  font-family: "Computer Modern", "EB Garamond", Georgia, serif;
  color: var(--fg);
  line-height: 1.4;
  margin: 0;
  word-spacing: -0.03em;
}

.cv-item ul {
  list-style: none;
  padding: 0;
  margin-top: 0.2em;
}

.cv-item ul li {
  margin-bottom: 0.18em;
  padding-left: 1.4em;
  position: relative;
  font-size: 0.91em;
  letter-spacing: 0.01em;
}

.cv-item ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--cv-green);
}

.cv-item .skill-category {
  margin-bottom: 0.5em;
}

.cv-item .skill-category strong {
  font-family: "EB Garamond", Georgia, serif;
  color: var(--fg);
  display: inline;
  font-weight: 700;
}

.cv-item .skill-category p {
  display: inline;
  margin-left: 0.3em;
}

.cv-section--education h2 {
  border-bottom: none;
  position: relative;
  padding-bottom: 0.25em;
}

.cv-section--education h2::after {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50%;
  height: 1px;
  background: var(--bg4);
}

/* Education */
.education-row {
  display: block;
}

.education-text {
  display: block;
}

.academics-viz {
  float: right;
  width: 420px;
  margin: -2.2em 0 0 2em;
  clear: right;
}

/* Hide the grade viz on small/phone screens */
@media screen and (max-width: 800px) {
  .academics-viz {
    display: none;
  }
}

.academics-viz svg {
  max-width: 100%;
  height: auto;
  display: block;
}

.education-row::after {
  content: "";
  display: table;
  clear: both;
}

.cv-section--education {
  margin-bottom: -0.25em;
}

/* About Page */
.about-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2em;
}

.page-about ~ .my-header .social-links,
body:has(.page-about:not(.grid--hidden)) .social-links {
  justify-content: right;
}

.about-profile-image {
  display: block;
  margin: 0 auto 2em;
  width: 400px;
  height: auto;
  border-radius: 4px;
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.3),
    0 5px 15px rgba(0, 0, 0, 0.2);
  filter: sepia(0.2) hue-rotate(-5deg) saturate(0.8) brightness(0.9)
    contrast(1.1);
}

.about-intro {
  font-family: "Computer Modern";
  font-size: 1.2em;
  line-height: 1.8;
  color: var(--fg);
  margin-bottom: 3em;
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  transform: translateY(20px);
}

.credits-section {
  margin-top: 3em;
  padding: 2em 0;
  border-top: 1px solid var(--bg3);
  text-align: center;
}

.copyright {
  color: var(--grey0);
  margin-top: 1em;
}

.favorites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

@media screen and (max-width: 50em) {
  main {
    display: block;
  }
  .my-header {
    padding: 1em;
    flex-direction: column;
    justify-content: center;
    gap: 1.5em;
  }
  .my-header::before {
    display: none;
  }
  .social-links {
    margin-top: 0;
    justify-content: center;
    flex: none;
  }
  .content--side {
    width: 100%;
  }
  .content--center {
    max-width: 100vw;
    padding: 0 1em;
  }
  .control--grids {
    margin: 0 0 1em;
    text-align: left;
  }
  .page-projects {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
  }
  .about-profile-image {
    width: 100%;
    max-width: 300px;
  }
}

@media screen and (max-width: 768px) {
  .content--side {
    position: sticky;
    top: 0;
    background: var(--bg0);
    z-index: 1000;
    padding: 1em;
  }
  .social-links {
    justify-content: center;
    margin: 1em 0;
  }
  .page-projects {
    grid-template-columns: 1fr;
  }
}

/* theme toggle button */
.theme-toggle {
  position: fixed;
  bottom: 1.5em;
  right: 1.5em;
  z-index: 9999;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background 0.3s ease,
    border-color 0.3s ease,
    transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.3s ease;
  box-shadow: none;
}

.theme-toggle:hover {
  transform: scale(1.12);
  border-color: var(--green);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--grey1);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 0.3s ease;
}

.theme-toggle:hover svg {
  stroke: var(--green);
}

.theme-toggle__sun {
  display: none;
}

body.dark-mode .theme-toggle__moon {
  display: none;
}
body.dark-mode .theme-toggle__sun {
  display: block;
}