/* VARIABLES */
/* Theme Colors */
body[data-theme='dark'] {
  --light-color: white;
  --dark-color: black;
}
body[data-theme='light'] {
  --light-color: black;
  --dark-color: white;
}

/* Global Variables */
:root {
  --gray-color: #767676;
  --header-height: 80px;
  --header-height-sm: calc(var(--min-element-size) + (var(--gap-sm) * 2));
  --gap: 20px;
  --gap-sm: calc(var(--gap) / 2);
  --min-element-size: 44px;
  --icon-size: 34px;
  --min-font-size: 16px;
  --border-radius: 6px;
  --animation-duration: 0.3s;
  --card-animation-distance: 20px;
  --card-animation-fill-mode: forwards;
  --card-animation-opacity-hidden: 0;
  --card-animation-opacity-visible: 1;
}

/* RESET & BASE */
*, ::before, ::after {
  box-sizing: border-box;
  margin: 0;
}

*, ::before, ::after, fieldset {
  padding: 0;
}

html {
  scroll-padding-top: var(--header-height);
}

:target {
  scroll-margin-top: var(--gap);
}

a, button, select, body, #search {
  color: var(--light-color);
}

button, header, select, body, footer, #search, #modal-container {
  background-color: var(--dark-color);
}

body {
  height: 100%;
  overflow-x: hidden;
  font: var(--min-font-size) sans-serif;
}

a {
  text-decoration: none;
}

address {
  font-style: normal;
}

nav li {
  list-style: none;
}

hr {
  border-top: 1px solid var(--gray-color);
  border-bottom: none;
}

svg {
  fill: var(--light-color);
}

#svg-hidden {
  display: none;
}

/* LAYOUT UTILITIES */
/* Position */
.fixed {
  position: fixed;
}

.relative {
  position: relative;
}

.top-0 {
  top: 0;
}

.left-0, #description li::before {
  left: 0;
}

/* Display */
.flex {
  display: flex;
}

.inline-block {
  display: inline-block;
}

/* Flexbox */
.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-col {
  flex-direction: column;
}

/* Dimensions */
.w-full {
  width: 100%;
}

.size-min-element {
  width: var(--min-element-size);
  height: var(--min-element-size);
}

.size-icon {
  width: var(--icon-size);
  height: var(--icon-size);
}

/* Spacing */
.mt-gap {
  margin-top: var(--gap);
}

.mb-gap {
  margin-bottom: var(--gap);
}

.ml-gap {
  margin-left: var(--gap);
}

.margin-auto {
  margin: auto;
}

.padding {
  padding: var(--gap);
}

.padding-sm {
  padding: var(--gap-sm);
}

.gap {
  gap: var(--gap);
}

.gap-sm {
  gap: var(--gap-sm);
}

/* Typography */
.text-left {
  text-align: left;
}

.text-center {
  text-align: center;
}

/* Visual */
.border-none {
  border: none;
}

.border-gray {
  border: 1px solid var(--gray-color);
}

.border-radius {
  border-radius: var(--border-radius);
}

/* Other */
.object-contain {
  object-fit: contain;
}

/* COMPONENT STYLES */
/* Typography */
h3:not(#proj-listing h3) {
  margin-bottom: var(--gap-sm);
}

/* Main Content */
main {
  margin-top: var(--header-height);
}

/* Header */
header {
  padding: 0 var(--gap);
  border-bottom: 1px solid var(--gray-color);
  justify-content: space-between;
}

header img {
  width: var(--header-height);
  height: var(--header-height);
}

#menu-toggle {
  position: absolute;
  left: -9999px;
}

/* Filter Controls */
select, #search {
  padding: calc(var(--gap) / 2);
}

#year-filter label {
  min-width: 80px;
}

/* Card/Listing Styles */
[id$='-listing'] {
  display: grid;
}

/* Grid Template Columns */
#exp-listing {
  grid-template-columns: repeat(auto-fill, minmax(375px, 1fr));
}

#edu-listing {
  grid-template-columns: repeat(auto-fill, minmax(343px, 1fr));
}

#cert-listing {
  grid-template-columns: repeat(auto-fill, minmax(646px, 1fr));
}

#proj-listing {
  grid-template-columns: repeat(auto-fill, minmax(295px, 1fr));
}

#lang-listing {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

/* Modal */
#modal-overlay {
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
}

#modal-container {
  width: 600px;
  max-width: 100%;
  max-height: 100%;
  overflow-y: auto;
  border-radius: var(--border-radius);
}

#modal-close {
  float: right;
}

#description {
  line-height: 1.5;
}

#description ul {
  padding-left: 0;
  list-style: none;
}

#description li {
  padding-left: var(--gap);
}

#description li::before {
  position: absolute;
  content: "-";
}

/* STATE STYLES */
button.selected {
  color: var(--dark-color);
  background-color: var(--light-color);
}

@media (hover: hover) {
  li:hover, select:hover, #search:hover, button:hover:not(:active), #modal-container a:hover:not(:active), #modal-container button:hover:not(:active) {
    border-color: var(--light-color);
  }
  button:hover, select:hover {
    cursor: pointer;
  }
  nav li:active, button:active, #modal-container a:active, #modal-container button:active {
    background-color: var(--gray-color);
    border-color: var(--gray-color);
  }
}

/* ANIMATION STYLES */
@keyframes slideUp {
  from {
    opacity: var(--card-animation-opacity-hidden);
    transform: translateY(var(--card-animation-distance));
  }
  to {
    opacity: var(--card-animation-opacity-visible);
    transform: translateY(0);
  }
}

.card-enter {
  animation: slideUp var(--animation-duration);
}

@keyframes slideUpExit {
  from {
    opacity: var(--card-animation-opacity-visible);
    transform: translateY(0);
  }
  to {
    opacity: var(--card-animation-opacity-hidden);
    transform: translateY(calc(var(--card-animation-distance) * -1));
  }
}

.card-exit {
  animation: slideUpExit var(--animation-duration) var(--card-animation-fill-mode);
}

/* MEDIA QUERIES */
@media (min-width: 498px) {
  #nav-left a {
    height: var(--header-height);
  }
}

@media (max-width: calc(970px + 20px)) {
  #menu-toggle {
    position: static;
  }
  #header nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    background-color: var(--dark-color);
    transition: max-height 0.3s, visibility 0.3s;
  }
  #header nav.open {
    max-height: 300px;
    visibility: visible;
    border-top: 1px solid var(--gray-color);
    border-bottom: 1px solid var(--gray-color);
  }
  #header nav ul {
    flex-wrap: wrap;
    justify-content: center;
    margin: auto;
    padding: var(--gap);
    gap: var(--gap-sm);
  }
}

@media (max-width: calc(646px + (20px * 2))) {
  #cert-listing {
    grid-template-columns: 1fr;
  }
  #cert-listing button {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: calc(497px)) {
  header {
    height: var(--header-height-sm);
    padding: var(--gap-sm);
  }
  #header nav, nav.open {
    top: calc(var(--header-height-sm) - 1px);
  }
  #nav-left, #nav-right {
    gap: var(--gap-sm);
  }
  #nav-left img {
    width: var(--min-element-size);
    height: var(--min-element-size);
  }
  h1 {
    font-size: calc(var(--min-font-size) * 1.3);
  }
  main {
    margin-top: var(--header-height-sm);
  }
}

@media (max-width: calc(375px + (20px * 2))) {
  #exp-listing {
    grid-template-columns: 1fr;
  }
  #exp-listing button, #modal-header {
    flex-direction: column;
    text-align: center;
  }
  #modal-close {
    position: absolute;
    right: var(--gap);
  }
}

@media (max-width: 400px) {
  select {
    width: 100%;
  }
}

@media (max-width: calc(343px + (20px * 2))) {
  #edu-listing {
    grid-template-columns: 1fr;
  }
  #edu-listing div {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 360px) {
  #nav-left > a:last-child {
    display: none;
  }
}

@media (max-width: calc(295px + (20px * 2))) {
  #proj-listing {
    grid-template-columns: 1fr;
  }
  #proj-listing button {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 330px) {
  input {
    width: 100%;
  }
}

@media (max-width: 322px) {
  #year-btn-group {
    justify-content: center;
  }
}