:root {
  /* FONT VARIABLES */
  --title: 24px; /* header title */
  --card-title: 18px; /* card titles */
  --body-text: 15px; /* body text */
  --meta-text: 12px; /* meta */

  /* LIGHT VARIABLES*/
  --bg: rgb(240, 240, 240); /*light gray*/
  --card: rgb(254, 253, 254); /*white*/
  --card-hover: rgb(230, 230, 230); /* dirty white */
  --border: rgb(209, 210, 213); /*light gray border*/
  --border-hover: rgb(40, 40, 40); /* dark gray border-hover*/
  --sub-text: rgb(201, 201, 201); /*gray*/
  --button: rgb(37, 99, 235); /*blue*/
  --button-active: rgb(30, 81, 191);
  --text: rgb(0, 0, 0); /*BLACK*/
  --close-error: rgb(210, 45, 45); /*RED*/
  --close-modal: rgb(238, 135, 62); /*YELLOW / ORANGE*/
  --option-hover: rgb(176, 191, 211);
  --collapse: rgb(85, 85, 85);
  --collapse-border: rgb(30, 30, 30);
}

.dark-mode {
  /* DARK VARIABLES*/
  --bg: rgb(2, 6, 23); /*dark blue*/
  --card: rgb(17, 24, 39); /*dark blue-gray*/
  --tabs: rgb(10, 15, 25);
  --card-hover: rgb(55, 59, 67); /* lighter black */
  --text: rgb(229, 231, 235); /*light gray text */
  --sub-text: rgb(63, 63, 63); /*gray*/
  --border: rgb(74, 95, 125); /*dark gray border*/
  --border-hover: rgb(210, 210, 210); /* dark gray border-hover*/
  --button: rgb(59, 130, 246); /*blue*/
  --button-active: rgb(41, 107, 213);
  --text: rgb(255, 255, 255); /*WHITE*/
  --option-hover: rgb(79, 85, 93);
  --collapse: rgb(170, 170, 170);
  --collapse-border: rgb(225, 225, 225);
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: system-ui, sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex-grow: 1;
  background-color: var(--bg); /*light gray*/
}

/* HEADER */
.header {
  padding: 10px 15px;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border); /*light gray border*/
  background-color: var(--card);
  color: var(--text); /*WHITE / BLACK*/
}

.header__brand {
  display: flex;
  gap: 5px;
}

.brand__logo {
  height: 30px;
  width: 30px;
}

.brand__title {
  font-size: var(--title);
}

/* THEME BUTTON */
.header__theme-btn {
  width: 60px;
  border: none;
  border-radius: 4px;
  background-color: var(--sub-text); /*gray*/
}

/* DARK THEME BUTTON */
.dark {
  background-image: url(../images/icons/moon.svg);
  background-position: center;
  background-repeat: no-repeat;
}

.dark:hover {
  border: 1px solid var(--border-hover);
  cursor: pointer;
}

.light {
  background-image: url(../images/icons/sun.svg);
  background-position: center;
  background-repeat: no-repeat;
}

.light:hover {
  border: 1px solid var(--border-hover);
  cursor: pointer;
}

/* FILTER */
.filter {
  padding: 20px 15px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--text); /*WHITE / BLACK*/
  opacity: 1;
  max-height: max-content;
  transition: max-height 3s ease;
}

.filter__collapse {
  position: fixed;
  top: 53px;
  right: -40px;
  border: 2px solid var(--collapse-border);
  border-radius: 12px;
  height: 50px;
  width: 50px;
  display: flex;
  align-items: center;
  background-color: var(--collapse);
  transition: right 1s ease;
}

.filter__collapse:hover {
  right: 0px;
}

.filter__collapse-by {
  right: -100px;
}

.expand__btn {
  background: url(../images/icons/light-expand.svg) center no-repeat;
  width: 50px;
  height: 50px;
  border: none;
  cursor: pointer;
}

.collapse__btn {
  background: url(../images/icons/light-collapse.svg) center no-repeat;
  width: 50px;
  height: 50px;
  border: none;
  cursor: pointer;
}

.filter__search {
  padding-left: 10px;
  border-radius: 12px;
  border: 1px solid var(--border); /*light gray border*/
  display: flex;
  align-items: center;
  background-color: var(--card); /*white*/
}

.search__btn {
  border: none;
  background-color: var(--card); /*white*/
  cursor: pointer;
}

.light-search::after {
  content: url(../images/icons/light-search.svg);
}
.dark-search::after {
  content: url(../images/icons/dark-search.svg);
}

.search__input {
  padding: 10px;
  border: none;
  width: 100%;
  border-radius: 0 12px 12px 0;
  background: var(--card); /*white*/
  color: var(--text); /*WHITE / BLACK*/
  outline: none;
  font-size: var(--body-text);
}

.search__input::placeholder {
  color: var(--text); /*WHITE / BLACK*/
}

.search__input:autofill {
  box-shadow: 0 0 0 30px var(--card) inset !important;
  -webkit-text-fill-color: var(--text);
}

.search__input:placeholder-shown {
  color: var(--text);
}

.search__input::-webkit-search-cancel-button {
  color: var(--text);
}

.search__input::selection {
  color: var(--text);
}

.filter__search-by {
  width: 100%;
  display: flex;
}

/* FILTER REGION */
.filter__region {
  display: flex;
  align-items: center;
  border-radius: 12px;
  border: 1px solid var(--border); /*light gray border*/
  background-color: var(--card); /*white*/
  width: 100%;
  anchor-name: --region;
  padding-right: 7px;
}

.filter__region label {
  padding-left: 10px;
  font-size: var(--body-text);
}

.region__continents option {
  background: var(--card); /*white*/
  color: var(--text); /*WHITE / BLACK*/
  padding: 4px 10px;
  width: 100%;
}

.region__continents {
  width: auto;
  border: none;
}

.region__continents option:hover {
  background-color: var(--option-hover);
}

.region__continents::picker(select) {
  position-anchor: --region;
  width: 90%;
}

option::checkmark {
  width: 13px;
  height: 13px;
  margin-right: 10px;
  padding-bottom: 10px;
  content: url(../images/icons/no-check.svg);
}

option:checked::checkmark {
  content: url(../images/icons/check.svg);
  border: var(--border);
}

.filter__sort {
  display: flex;
}

select,
::picker(select) {
  appearance: base-select;
  border-radius: 8px;
  font-weight: normal;
  background-color: var(--card);
  color: var(--text);
  overflow: hidden;
  border: 1px solid var(--border);
  font-size: var(--body-text);
}

option {
  padding: 4px 10px;
}

select {
  flex: 1;
  border: 1px solid var(--border);
  padding: 10px;
  border-radius: 12px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  outline: none;
}

select::picker-icon {
  color: #999999;
  transition: 0.4s rotate;
}
select:open::picker-icon {
  rotate: 180deg;
}

/* SEARCH/FILTER INFO SECTION */
.filter-info {
  padding: 10px 15px;
  background-color: var(--card); /* lighter bg*/
  border-top: 1px solid var(--border); /*light gray border*/
  border-bottom: 1px solid var(--border); /*light gray border*/
  font-weight: 500;
  color: var(--text); /*WHITE / BLACK*/
}

.filter-info__status {
  display: none;
}

/* TABS SECTION */
.tabs {
  background-color: var(--tabs);
  color: var(--text);
  display: flex;
  justify-content: center;
  align-items: center;
}

.tabs__btns {
  border: none;
  border-bottom: 1px solid var(--border);
  width: 50%;
  background: transparent;
  color: var(--text);
  font-size: var(--body-text);
  text-align: center;
  padding: 15px;
  height: 70px;
}

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

.active-tab {
  border-bottom: 3px solid var(--button-active);
}

/* SEARCH RESULTS */
.search-results {
  padding: 10px 15px;
  color: var(--text);
}

/* CARD STYLE */
.search-results__card {
  border: 1px solid var(--border); /*light gray border*/
  border-radius: 12px;
  background-color: var(--card); /*white*/
  display: flex;
  padding: 15px;
  margin-bottom: 10px;
  transition: background-color 0.5s ease;
}

.country-body {
  display: flex;
}

.search-results__card:hover {
  background-color: var(--card-hover); /* dirty white */
  border: 1px solid var(--border-hover); /*dark gray border*/
  cursor: pointer;
}

.card__info {
  width: 100%;
}

.card__flag {
  height: max-content;
  width: 98px;
  border: 1px solid var(--border); /*light gray border*/
  border-radius: 4px;
  margin: 0 10px 10px 0;
}

.card__name {
  list-style: none;
  margin-bottom: 15px;
  font-weight: 600;
  font-size: var(--card-title);
}

.card__info-data {
  padding: 5px 0;
  border-bottom: 1px solid var(--border); /*light gray border*/
  font-size: var(--body-text);
  list-style: none;
}

.card__info-data:last-child {
  border: none;
}

.card__result {
  font-weight: 500;
}

/* ////////////// */
/* COUNTRY MODAL */
/* //////////// */
.country-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  background-color: var(--card); /*white / dark blue-gray*/
  padding: 15px;
  margin-bottom: 10px;
  min-width: 290px;
  color: var(--text); /* WHITE / BLACK */
  animation: slide 0.4s ease-out forwards;
}

@keyframes slide {
  from {
    transform: translate(-50%, -100%);
    opacity: 0;
  }
  to {
    transform: translate(-50%, -50%);
    opacity: 1;
  }
}

.close-modal {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 24px;
}

.close-modal-btn {
  background: url(../images/icons/dark-close.svg) center no-repeat;
  background-color: var(--card); /*WHITE*/
  width: 32px;
  height: 32px;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s;
}

.close-modal-btn-light::after {
  content: url(../images/icons/light-close.svg);
}
.close-modal-btn-dark::after {
  content: url(../images/icons/dark-close.svg);
}

.close-modal-btn:hover {
  border-radius: 4px;
  background-color: var(--close-modal); /*RED*/
}

.modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-coat-of-arms-btn {
  justify-self: end;
  margin: 10px 0 5px;
  padding: 5px 10px;
  border-radius: 8px;
  background-color: var(--bg); /*light gray*/ /*dark blue*/
  display: block;
  border: 1px solid var(--border); /*light gray border*/ /*dark gray border*/
  color: var(--text);
  transition: background-color 0.3s;
}

.modal-coat-of-arms-btn:hover:not(:disabled) {
  background-color: var(--close-modal); /*RED*/
  border: 1px solid var(--border-hover); /* dark gray border-hover*/
}

.modal-coat-of-arms-btn:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.modal-coat-of-arms {
  border-radius: 12px;
  border: none;
  margin-top: 10px;
  padding: 5px;
  width: 100%;
  min-height: 200px;
  max-height: 300px;
  height: auto;
}

.cancel-modal {
  justify-self: end;
  margin: 10px 0 5px;
  padding: 5px 10px;
  border-radius: 8px;
  background-color: var(--bg); /*light gray*/ /*dark blue*/
  display: block;
  border: 1px solid var(--border); /*light gray border*/ /*dark gray border*/
  color: var(--text);
  transition: background-color 0.3s;
}

.cancel-modal:hover {
  background-color: var(--close-modal); /*RED*/
  border: 1px solid var(--border-hover); /* dark gray border-hover*/
}

.modal-overlay {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  z-index: 100;
  background-color: rgba(35, 35, 35, 0.6); /*BLACK T=0.6*/
  cursor: pointer;
}

/* FOOTER */
.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  padding: 20px 15px;
  border-top: 1px solid var(--border); /*light gray border*/
  background-color: var(--card); /*white*/ /*dark blue-gray*/
  color: var(--text); /*WHITE / BLACK*/
}

.hide-footer {
  display: none;
}

.footer__btn {
  width: 30px;
  height: 30px;
  border-radius: 12px;
  border: 1px solid var(--border); /* LIGHT/DARK GRAY */
  background: transparent;
  color: var(--text); /*WHITE / BLACK*/
}

.pagination__page-size {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}

.page-size {
  border: none;
  cursor: pointer;
  background-color: var(--card); /*white*/ /*dark blue-gray*/
  color: var(--text); /*WHITE / BLACK*/
  padding: 0;
}

.page-size:active {
  border: var(--border-hover); /* dark gray border-hover*/
}

.footer__btn:hover:not(:disabled) {
  border: 1px solid var(--border-hover); /* dark gray border-hover*/
  cursor: pointer;
  background-color: var(--button); /*BLUE*/
}

.footer__btn:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.footer__btn:active:not(:disabled) {
  background-color: var(--button-active);
}

.light-first-page {
  background: url(../images/icons/light-first.svg) center no-repeat;
}

.dark-first-page {
  background: url(../images/icons/dark-first.svg) center no-repeat;
}

.light-prev {
  background: url(../images/icons/light-prev.svg) center no-repeat;
}
.dark-prev {
  background: url(../images/icons/dark-prev.svg) center no-repeat;
}

.light-next {
  background: url(../images/icons/light-next.svg) center no-repeat;
}
.dark-next {
  background: url(../images/icons/dark-next.svg) center no-repeat;
}

.light-last-page {
  background: url(../images/icons/light-last.svg) center no-repeat;
}

.dark-last-page {
  background: url(../images/icons/dark-last.svg) center no-repeat;
}

/* ERROR/TOAST MESSAGE */
.toast-msg {
  position: fixed;
  right: 20px;
  bottom: -100px;
  padding: 15px 20px;
  background-color: var(--close-error); /* RED*/
  color: rgb(255, 255, 255); /* WHITE */
  font-weight: 600;
  font-size: 18px;
  border-radius: 16px;
  transition: bottom 0.4s ease;
}

.toast-msg-active {
  bottom: 20px;
}

/* STATUS LOADED/ERROR */
.status-loaded {
  color: rgb(40, 167, 69); /*GREEN*/
}

.status-error {
  color: var(--close-error); /*RED*/
}

/* PLACEHOLDER SKELTON */
.skeleton {
  animation: skeleton-loading 1s linear infinite alternate;
}

.skeleton-heading {
  height: 20px;
  animation: skeleton-loading 1s linear infinite alternate;
}

.skeleton-text {
  margin-bottom: 10px;
  height: 10px;
  animation: skeleton-loading 1s linear infinite alternate;
}

.skeleton-text:last-child {
  width: 80%;
}

/* SCROLL TO TOP BUTTON */
.scroll-to-top {
  position: fixed;
  bottom: 100px;
  right: -50px;
  height: 40px;
  width: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: url(../images/icons/dark-up.svg) center no-repeat;
  background-color: var(--button); /*BLUE*/
  transition: right 1s ease;
}

.scroll-to-top:hover {
  background-color: rgb(16, 87, 239);
  border: 1px solid rgb(190, 190, 195);
}

.scroll-to-top:active {
  background-color: var(--button-active);
}

.show {
  right: 30px;
}

@keyframes skeleton-loading {
  0% {
    background-color: rgba(200, 200, 200, 0.6); /*LIGHT GRAY*/
  }
  100% {
    background-color: rgba(100, 100, 100, 0.6); /*DARK GRAY*/
  }
}

@media (min-width: 768px) {
  .filter {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .filter__search {
    width: 60%;
  }
  .filter__region {
    width: 250px;
  }
  .region__continents::picker(select) {
    width: 250px;
  }
  .filter__search-by {
    width: 250px;
  }

  .filter-info {
    display: flex;
    justify-content: space-between;
  }

  .tabs__btns {
    height: 50px;
  }

  .search-results {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
  }
  .search-results__card {
    width: 49%;
    margin-bottom: 0;
  }
  .filter-info__status {
    display: block;
  }
  select {
    width: 250px;
  }

  .page-size {
    width: auto;
  }

  .close-modal {
    font-size: 24px;
  }

  .country-modal-body {
    display: flex;
    flex-direction: row;
    gap: 20px;
  }
  .footer__pagination {
    flex-direction: row;
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .header {
    padding: 10px 30px;
  }
  .filter {
    padding: 10px 30px;
  }
  .filter-info {
    padding: 10px 30px;
  }
  .search-results {
    padding: 10px 30px;
    max-width: 1600px;
    width: 100%;
    justify-self: center;
    display: flex;
    flex-wrap: wrap;
  }
  .search-results__card {
    width: 32%;
  }
}