/* No page zoom; touch-action isn't inherited into scrolling elements. */
* {
  touch-action: manipulation;
}
button,
#toolbar,
#list {
  -webkit-user-select: none;
  user-select: none;
}

html,
body {
  margin: 0;
  height: 100%;
  background: #1b1b1b;
  color: #ccc;
  font:
    13px system-ui,
    sans-serif;
}
body {
  display: flex;
}
button {
  font: inherit;
  color: #ddd;
  background: #333;
  border: 1px solid #444;
  border-radius: 3px;
  padding: 2px 8px;
}
button:hover:not(:disabled) {
  background: #3d3d3d;
}
button:disabled {
  color: #777;
}
.weak {
  color: #888;
}

/* Chromium ignores these once scrollbar-color is set, hence the @supports. */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track,
::-webkit-scrollbar-corner {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #4a4a4a;
  border: 2px solid transparent;
  border-radius: 4px;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
  background-color: #5e5e5e;
}
@supports not selector(::-webkit-scrollbar) {
  * {
    scrollbar-width: thin;
    scrollbar-color: #4a4a4a transparent;
  }
}

#side {
  width: 280px;
  min-width: 140px;
  max-width: 60vw;
  resize: horizontal;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-right: 1px solid #333;
}
#side {
  position: relative;
}
.bar {
  display: flex;
  gap: 6px;
  padding: 8px 38px 4px 8px;
  flex-wrap: wrap;
}
#list-toggle {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  padding: 2px 0;
}
#list-toggle::before {
  content: "‹";
}
body.list-hidden #side {
  width: auto !important;
  min-width: 0;
  resize: none;
  padding: 8px 4px;
}
body.list-hidden #side > :not(#list-toggle) {
  display: none;
}
body.list-hidden #list-toggle {
  position: static;
}
body.list-hidden #list-toggle::before {
  content: "›";
}
#source {
  padding: 0 8px 6px;
  color: #888;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-bottom: 1px solid #333;
}
#list {
  list-style: none;
  margin: 0;
  padding: 4px;
  overflow: auto;
  flex: 1;
}
#list li {
  box-sizing: border-box;
  width: max-content;
  min-width: 100%;
  padding: 2px 6px;
  border-radius: 3px;
  white-space: nowrap;
  cursor: default;
}
#list li:hover {
  background: #2a2a2a;
}
#list li.selected {
  background: #2c4a6e;
  color: #fff;
}
#list li.error {
  color: #dc5a5a;
}
#list.name-end li {
  width: auto;
  overflow: hidden;
  text-overflow: ellipsis;
  direction: rtl;
  text-align: left;
}

#toolbar {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 6px 4px;
  overflow-y: auto;
  border-right: 1px solid #333;
}
body.touch #toolbar {
  display: flex;
}
#toolbar button {
  flex: none;
  min-width: 52px;
  min-height: 36px;
}
#toolbar [data-action="prev"],
#toolbar [data-action="next"] {
  font-size: 20px;
  min-height: 52px;
}
#toolbar button[aria-pressed="true"] {
  background: #2c4a6e;
  border-color: #3d6491;
  color: #fff;
}

#view {
  flex: 1;
  min-width: 0;
  position: relative;
  background: #000;
  overflow: hidden;
}
canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
}
#hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-size: 18px;
  pointer-events: none;
}
.box {
  position: absolute;
  margin: 0;
  padding: 5px;
  font:
    12px ui-monospace,
    Menlo,
    Consolas,
    monospace;
  color: #dcdcdc;
  background: rgb(0 0 0 / 63%);
  border-radius: 4px;
  pointer-events: none;
  white-space: pre;
}
#boxes {
  position: absolute;
  inset: 8px 44px auto 10px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  pointer-events: none;
}
#boxes .box {
  position: static;
}
#debug {
  margin-left: auto;
}
#error {
  left: 10px;
  bottom: 48px;
}
#status {
  left: 10px;
  bottom: 26px;
  transition: opacity 0.8s;
}
#spinner {
  position: absolute;
  right: 12px;
  top: 10px;
  width: 16px;
  height: 16px;
  border: 3px solid #555;
  border-top-color: #ccc;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
[hidden] {
  display: none !important;
}

@media (orientation: portrait) {
  html,
  body {
    height: 100dvh;
  }
  body {
    flex-direction: column-reverse;
  }
  #side {
    width: auto;
    max-width: none;
    height: 35dvh;
    min-height: 120px;
    resize: none;
    border-right: 0;
    border-top: 1px solid #333;
  }
  #list-toggle::before {
    content: "▾";
  }
  body.list-hidden #list-toggle::before {
    content: "▴";
  }
  body.list-hidden #side {
    height: auto !important;
    min-height: 0;
    padding: 4px 8px;
    align-items: flex-end;
  }
  body.touch #toolbar {
    display: grid;
    grid-template-columns: repeat(4, auto) 1fr 1fr;
    overflow: visible;
    border-right: 0;
    border-top: 1px solid #333;
  }
  #toolbar button {
    min-width: 44px;
    padding: 2px 6px;
  }
  #toolbar [data-action="prev"] {
    grid-area: 1 / 5 / 3 / 6;
  }
  #toolbar [data-action="next"] {
    grid-area: 1 / 6 / 3 / 7;
  }
  #hint {
    padding: 0 20px;
    text-align: center;
  }
  .box {
    max-width: calc(100% - 30px);
    white-space: pre-wrap;
  }
  #boxes {
    flex-direction: column;
  }
  #boxes .box {
    max-width: 100%;
  }
  #debug {
    margin-left: 0;
  }
}

dialog {
  background: #222;
  color: #ccc;
  border: 1px solid #444;
  border-radius: 6px;
  padding: 16px 20px;
}
dialog::backdrop {
  background: rgb(0 0 0 / 50%);
}
dialog h2 {
  margin: 0 0 10px;
  font-size: 16px;
}
#shortcuts td {
  padding: 3px 24px 3px 0;
}
#shortcuts td:first-child {
  font:
    bold 12px ui-monospace,
    Menlo,
    Consolas,
    monospace;
}