/* --------------------------
 * global
*/
body {
  background: #fff;
  background-position: top;
  background-size: cover;
  background-attachment: fixed;
  background-repeat: no-repeat;
  /* content-visibility: auto; */
  font-size: 16px;
  font-family: system-ui, sans-serif;
  font-weight: 400;
}

a:link, a:active, a:hover { text-decoration: none; }

h3 {
  font-size: 1rem;
}

@media screen and (min-width: 320px) {
  html {
    font-size: calc(16px + 6 * ((100vw - 320px) / 680));
  }
}
@media screen and (min-width: 1000px) {
  html {
    font-size: 22px;
  }
}

.u-theme-f {
  color: rgb(244, 67, 54);
}

/* --------------------------
 * efects
*/
.clearfix:after {
  clear: both;
  content: " ";
  display: block;
  font-size: 0;
  height: 0;
  visibility: hidden;
}

.shadow { box-shadow: 10px 20px 50px 10px rgb(0, 0, 0); }


/* --------------------------
 * header
*/
header {
  font-size: 1rem;
  padding: 0.5rem;
  position: sticky;
  top: 0;
  z-index: 13;
  transition: all .3s linear;
}

nav {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  font-size: 0.7rem;
}

nav ul {
  display: flex;
  flex-wrap: nowrap;
  list-style: none;
  margin: 0.1rem 0;
}

.nav-left ul li:hover {
  cursor: pointer;
}

.nav-left { margin-right: auto; }
.nav-left ul li { padding: 0 0.3rem; }
.nav-right ul li { padding: 0 0.3rem; }

/* --------------------------
 * poetry
*/

.poetry {
  max-width: 717px;
  margin: 0 auto;
  margin-bottom: 2rem;
  text-align: center;
  text-emphasis: open currentcolor;
  -webkit-text-emphasis: open currentcolor;
  text-emphasis-position: under right;
  -webkit-text-emphasis-position: under right;
  text-decoration: none;
}

.poetry:hover {
  cursor: pointer;
  text-emphasis: circle currentcolor;
  -webkit-text-emphasis: circle currentcolor;
}

#poetry, #poetry-author {
  color:#f44336;
}

#poetry-author {
  text-align: right;
  margin-top: 1vh;
}

/* --------------------------
 * cards
*/
.cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(200px, 1fr));
  max-width: 90%;
  margin: 0 auto 2rem auto;
  place-items: top;
}

@media screen and (min-width: 1440px) {
  .cards {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  }
}

@media screen and (max-width:767px) {
  .cards {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media screen and (max-width:768px) {
  .cards {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

.card {
  border-radius: 1rem;
  display: grid;
  padding: 1rem 0.5rem;
  /* height: 200px; */
  max-height: 200px;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: none;
  transition: all .4s linear;
}

@media screen and (min-width: 1440px) {
  .card {
    max-height: 400px;
  }
}

.card::-webkit-scrollbar {
  display: none;
}

/* .card .card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  top: 0;
  left: 0;
  overflow: hidden;
}

.card .card-inner-scroll {
  width: calc(100% + 1rem);
  height: 100%;
  position: relative;
  top: 0;
  left: 0;
  overflow-x: hidden;
  overflow-y: auto;
} */

.card:hover {
  background-color: rgba(0, 0, 0, 0.3);
}

.card h3 {
  text-transform: uppercase;
  text-align: center;
  margin: 0 0 0.5rem 0;
}

.card ul {
  list-style: none;
  column-gap: 0.3rem;
  columns: 4 100px;

}

.card ul li {
  margin: 0.2rem;
  width: max-content;
  height: max-content;
}

.card ul li a {
  font-size: 15px;
}

.card ul li * {
  transition: all .3s linear;
}

.card ul li:hover * {
  color: #f44336;
  cursor: pointer;
}

.card ul li::first-letter,
.card ul li i {
  color: #f44336;
  font-weight: bold;
}

/* --------------------------
 * tooltip
*/
#tooltip {
  visibility: hidden;
  position: fixed;
  bottom: 20px;
  left: 20px;
  max-width: 35%;
  line-break: auto;
  padding: 5px;
  border-radius: 0 10px 0 10px;
  background: rgba(0, 0, 0, 0.6);
  box-shadow: 0 0 5px rgb(244, 67, 54);
}

#tooltip p {
  display: inline;
  color: #fff;
}

/* --------------------------
 * back-to-top button
*/

#back2top-btn {
  /* visibility: hidden; */
  display:flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 20px;
  font-size: 1.5rem;
  position: fixed;
  bottom: 2rem;
  right: -3rem;
  /* z-index: 13; */
  text-align: center;
  transition: all .4s linear;
}

#back2top-btn:hover {
  cursor: pointer;
  transform: rotate(-45deg);
  transition: all .3s linear;
}

footer {
  margin: 1rem 0;
}

.footer-line {
  /* color: rgba(30, 30, 30, 1.0); */
  width: 100%;
  text-align: center;
  font-size: .6rem;
  overflow-wrap: break-word;
  padding: 0 0 3px 0;
}