:root {
  --color-background: rgb(39, 185, 141);
  --color-font: rgb(9, 83, 61);
  --color-font-hover: rgb(108, 248, 206);
}

* {
  box-sizing: border-box;
}

body {
  height: 100vh;
  width: 100vw;
  background-color: var(--color-background);
  margin: 0;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;

  transition: background-color 0.5s;
}

h1,
h2 {
  display: flex;
  justify-content: center;
  margin: 1px;
  font-weight: lighter;

  transition: color 0.5s;
}

h1 {
  color: var(--color-font);
  text-shadow: 1px 5px 4px rgba(0, 0, 0, 0.2);

  font-family: "Niconne", "Times New Roman", Times, serif;
  font-size: 28px;
}
h2 {
  color: var(--color-font);
  text-shadow: 1px 5px 4px rgba(0, 0, 0, 0.2);

  font-family: "Metal", "Times New Roman", Times, serif;
  font-size: 14px;
}

/****************************************/
/****************************************/
/* main */
.gallery-container {
  width: min(75vw, 75vh);
  height: min(75vw, 75vh);

  background-color: rgb(238, 233, 211);
  box-shadow: 0px 3px 11px 1px rgba(0, 0, 0, 0.4);
  margin-top: 10px;
  padding: 5px;
  border-radius: 8px;
}

.gallery-margin {
  height: 100%;
  border-radius: 8px;
  overflow: hidden;
}

.gallery-items-l1 {
  display: grid;
  height: 106%;
  width: 106%;
  transform: translate(-3%, -3%);

  filter: blur(4px);
}

.gallery-items-l2 {
  display: grid;
}

/****************************************/
/****************************************/
/* footer */
footer {
  position: fixed;
  bottom: 0px;
  left: 0px;
  right: 0px;

  font-family: "Metal", "Times New Roman", Times, serif;
  font-size: 14px;
  color: var(--color-font);
  text-align: center;
}

footer a,
footer a:active {
  color: var(--color-font);
  text-decoration: none;
  transition: all 0.5s;
}

footer a:hover {
  color: var(--color-font-hover);
}

/***************************************************/
/***************************************************/
/* modals */
.modal-main {
  top: 50%;
  left: 50%;
  position: fixed;
  transform: translate(-50%, -50%);
  border-radius: 10px;
  z-index: 6;

  transition: all 0.5s;
}

.modal-main h2 {
  position: absolute;
  right: 0;
  left: 0;
  margin-top: 15px;
  color: white;

  transition: all 0.8s;
}

.modal-main img {
  border-radius: 10px;
  border: 2px solid var(--color-font-hover);
  margin: 0;
  padding: 2px;

  transition: all 0.8s;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(48, 38, 0, 0.3);
  backdrop-filter: blur(3px);
  z-index: 5;

  transition: all 0.5s;
}

.modal-hidden {
  visibility: hidden;
  opacity: 0;
}

.modal-blur {
  filter: blur(3px);
}

/***************************************************/
/***************************************************/
/* side navigator */

.side-nav {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: rgb(10, 9, 27);
  overflow-x: hidden;
  transition: 0.5s;
  padding-top: 60px;

  -ms-overflow-style: none;
  scrollbar-width: none;
}

.side-nav::-webkit-scrollbar {
  display: none;
}

.side-nav fieldset {
  background: linear-gradient(
    to bottom,
    rgba(238, 233, 211, 0),
    rgba(206, 200, 177, 0.05)
  );
  border: 1px solid #818181;
  border-radius: 5px;
  margin: 0 10px;
}

.side-nav fieldset legend {
  color: #c4c4c4;
  font-family: "Metal", "Times New Roman", Times, serif;
  font-size: 18px;
}

.side-nav label {
  font-family: "Metal", "Times New Roman", Times, serif;
  font-size: 14px;
  color: #818181;
  display: block;
  transition: 0.5s;
}

.side-nav label:hover {
  color: #c4c4c4;
}

.side-nav input {
  display: flex;
  justify-content: space-around;
  width: 100%;
  margin: auto;
  border: 1px solid #818181;
}

.side-nav input[type="submit"] {
  width: 50%;
  color: #818181;
  padding: 3px;
}

.side-nav input[type="submit"]:hover {
  color: #c4c4c4;
}

.side-nav input[type="color"] {
  width: 45px;
  height: 33px;
  background-color: transparent;
  border: 1px solid transparent;
}

.side-nav .side-nav-close-btn {
  position: absolute;
  top: 0;
  right: 25px;
  font-size: 36px;
  margin-left: 50px;
}

/****************************************/
/****************************************/
/* inputs */
input {
  color: var(--color-font-hover);
  background-color: rgba(0, 0, 0, 0.3);
  border: 1px solid transparent;
  border-radius: 20px;
  font-family: "Tahoma", Times, serif;
  font-size: 14px;
  padding: 2px 10px;
  cursor: pointer;

  transition: all 0.5s;
}

input:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

input:active {
  background-color: rgba(0, 0, 0, 0.5);
}

#btn-menu {
  animation: slide 1s alternate infinite;
  animation-timing-function: linear;
}

@keyframes slide {
  from {
    background-color: rgba(0, 0, 0, 0.25);
  }

  to {
    background-color: rgba(0, 0, 0, 0.7);
  }
}

/****************************************/
/****************************************/
/* responsive */
@media screen and (max-width: 600px) {
  .gallery-container {
    width: min(92vw, 92vh);
    height: min(92vw, 92vh);
  }

  .modal-main img {
    width: 350px;
  }

  .side-nav {
    padding-top: 15px;
  }

  .side-nav a {
    font-size: 18px;
  }
}