/* The design is inspired from the mockapi.io */

.popup {
  --burger-line-width: 1.125em;
  --burger-line-height: 0.125em;
  --burger-offset: 0.625em;
  --burger-bg: rgba(0, 0, 0, .15);
  --burger-color: #333;
  --burger-line-border-radius: 0.1875em;
  --burger-diameter: 2.125em;
  --burger-btn-border-radius: calc(var(--burger-diameter) / 2);
  --burger-line-transition: .3s;
  --burger-transition: all .1s ease-in-out;
  --burger-hover-scale: 1.1;
  --burger-active-scale: .95;
  --burger-enable-outline-color: var(--burger-bg);
  --burger-enable-outline-width: 0.125em;
  --burger-enable-outline-offset: var(--burger-enable-outline-width);
  /* nav */
  --nav-padding-x: 0.25em;
  --nav-padding-y: 0.625em;
  --nav-border-radius: 0.375em;
  --nav-border-color: #ccc;
  --nav-border-width: 0.0625em;
  --nav-shadow-color: rgba(0, 0, 0, .2);
  --nav-shadow-width: 0 1px 5px;
  --nav-bg: #eee;
  --nav-font-family: Menlo, Roboto Mono, monospace;
  --nav-default-scale: .8;
  --nav-active-scale: 1;
  --nav-position-left: 0;
  --nav-position-right: unset;
  /* if you want to change sides just switch one property */
  /* from properties to "unset" and the other to 0 */
  /* title */
  --nav-title-size: 0.625em;
  --nav-title-color: #777;
  --nav-title-padding-x: 1rem;
  --nav-title-padding-y: 0.25em;
  /* nav button */
  --nav-button-padding-x: 1rem;
  --nav-button-padding-y: 0.375em;
  --nav-button-border-radius: 0.375em;
  --nav-button-font-size: 12px;
  --nav-button-hover-bg: #6495ed;
  --nav-button-hover-text-color: #fff;
  --nav-button-distance: 0.875em;
  /* underline */
  --underline-border-width: 0.0625em;
  --underline-border-color: #ccc;
  --underline-margin-y: 0.3125em;
}

/* popup settings 👆 */

.popup {
  display: inline-block;
  text-rendering: optimizeLegibility;
  position: relative;
}

.popup input {
  display: none;
}

.burger {
  display: flex;
  position: relative;
  align-items: center;
  justify-content: center;
  background: var(--burger-bg);
  width: var(--burger-diameter);
  height: var(--burger-diameter);
  border-radius: var(--burger-btn-border-radius);
  border: none;
  cursor: pointer;
  overflow: hidden;
  transition: var(--burger-transition);
  outline: var(--burger-enable-outline-width) solid transparent;
  outline-offset: 0;
}

.burger span {
  height: var(--burger-line-height);
  width: var(--burger-line-width);
  background: var(--burger-color);
  border-radius: var(--burger-line-border-radius);
  position: absolute;
  transition: var(--burger-line-transition);
}

.burger span:nth-child(1) {
  top: var(--burger-offset);
}

.burger span:nth-child(2) {
  bottom: var(--burger-offset);
}

.burger span:nth-child(3) {
  top: 50%;
  transform: translateY(-50%);
}

.popup-window {
  transform: scale(var(--nav-default-scale));
  visibility: hidden;
  opacity: 0;
  position: absolute;
  padding: var(--nav-padding-y) var(--nav-padding-x);
  background: var(--nav-bg);
  font-family: var(--nav-font-family);
  color: var(--nav-text-color);
  border-radius: var(--nav-border-radius);
  box-shadow: var(--nav-shadow-width) var(--nav-shadow-color);
  border: var(--nav-border-width) solid var(--nav-border-color);
  top: calc(var(--burger-diameter) + var(--burger-enable-outline-width) + var(--burger-enable-outline-offset));
  left: var(--nav-position-left);
  right: var(--nav-position-right);
  transition: var(--burger-transition);
}

.popup-window legend {
  padding: var(--nav-title-padding-y) var(--nav-title-padding-x);
  margin: 0;
  color: var(--nav-title-color);
  font-size: var(--nav-title-size);
  text-transform: uppercase;
}

.popup-window ul {
  margin: 0;
  padding: 0;
  list-style-type: none;
}

.popup-window ul button {
  outline: none;
  width: 100%;
  border: none;
  background: none;
  display: flex;
  align-items: center;
  color: var(--burger-color);
  font-size: var(--nav-button-font-size);
  padding: var(--nav-button-padding-y) var(--nav-button-padding-x);
  white-space: nowrap;
  border-radius: var(--nav-button-border-radius);
  cursor: pointer;
  column-gap: var(--nav-button-distance);
}

.popup-window ul li:nth-child(1) svg,
.popup-window ul li:nth-child(2) svg {
  color: cornflowerblue;
}

.popup-window ul li:nth-child(4) svg,
.popup-window ul li:nth-child(5) svg {
  color: rgb(153, 153, 153);
}

.popup-window ul li:nth-child(7) svg {
  color: red;
}

.popup-window hr {
  margin: var(--underline-margin-y) 0;
  border: none;
  border-bottom: var(--underline-border-width) solid var(--underline-border-color);
}

/* actions */

.popup-window ul button:hover,
.popup-window ul button:focus-visible,
.popup-window ul button:hover svg,
.popup-window ul button:focus-visible svg {
  color: var(--nav-button-hover-text-color);
  background: var(--nav-button-hover-bg);
}

.burger:hover {
  transform: scale(var(--burger-hover-scale));
}

.burger:active {
  transform: scale(var(--burger-active-scale));
}

.burger:focus:not(:hover) {
  outline-color: var(--burger-enable-outline-color);
  outline-offset: var(--burger-enable-outline-offset);
}

.popup input:checked+.burger span:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.popup input:checked+.burger span:nth-child(2) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

.popup input:checked+.burger span:nth-child(3) {
  transform: translateX(calc(var(--burger-diameter) * -1 - var(--burger-line-width)));
}

.popup input:checked~nav {
  transform: scale(var(--nav-active-scale));
  visibility: visible;
  opacity: 1;
}