/* ------------------- Global styles ------------------- */

:root {
  --seaweed: 66, 68, 57;
  --laurel: 214, 225, 213;
  --live: 90, 255, 160;
  --color-primary: rgb(var(--seaweed));
  --color-accent: rgb(var(--laurel));
  --color-accent-2: rgb(var(--laurel), .5);
  --color-accent-3: rgb(var(--laurel), .24);
  --color-accent-4: rgb(var(--laurel), .16);
  --color-accent-5: rgb(var(--laurel), .08);
  --color-live: rgb(var(--live));
  --color-overlay: rgb(0, 0, 0, .6)
}

*,
*::before,
*::after {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
  overscroll-behavior: none
}

*::-webkit-scrollbar {
  display: none
}

[hidden] {
  display: none !important
}

html,
body {
  height: 100%
}

body {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-accent);
  font-family: -apple-system, Helvetica, sans-serif;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.6
}

::selection {
  background: var(--color-accent-2);
  color: var(--color-primary)
}

:focus-visible {
  outline: 1px solid var(--color-accent);
  outline-offset: 2px
}

:focus:not(:focus-visible) {
  outline: none
}

/* ------------------- Typography ------------------- */

h2,
h3,
b {
  font-weight: 350
}

a {
  color: var(--color-accent);
  text-decoration: none;
  cursor: pointer;
  transition: color .3s cubic-bezier(.645, .045, .355, 1)
}

a:not(.button):hover,
.link:hover {
  color: var(--color-accent-2)
}

a[exclude]::after {
  content: "↗";
  margin: 0 .2em
}

ul,
ol {
  list-style: none
}

ol {
  counter-reset: list-counter
}

ol li {
  counter-increment: list-counter
}

ol li::before {
  content: counter(list-counter)". "
}

hr {
  height: 1px;
  border: 0;
  background: var(--color-accent-2)
}

table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed
}

th,
td {
  padding: .7em 0;
  border-top: 1px solid var(--color-accent-2);
  font-weight: 300;
  font-variant-numeric: tabular-nums;
  text-align: left
}

th {
  color: var(--color-accent-2)
}

table > :first-child > tr:first-child > * {
  padding-top: 0;
  border-top: 0
}

table > :last-child > tr:last-child > * {
  padding-bottom: 0
}

td:last-child,
.years th:not(:first-child),
.years td:not(:first-child) {
  text-align: right
}

.years th:first-child {
  width: 16%
}

.years th:last-child {
  width: 28%
}

.years td:first-child {
  color: var(--color-accent-2)
}

/* ------------------- Headers and footers ------------------- */

header,
footer {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 16px
}

header {
  z-index: 10;
  height: 48px;
  border-bottom: 1px solid var(--color-accent)
}

footer {
  height: 40px;
  border-top: 1px solid var(--color-accent)
}

header nav ul,
footer nav ul {
  display: flex;
  align-items: center;
  white-space: nowrap
}

header nav li:not(:last-of-type)::after {
  content: "•";
  margin: 0 .4em
}

footer nav ul {
  gap: 16px
}

header > div {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  min-width: 0
}

/* ------------------- Buttons ------------------- */

button {
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  appearance: none;
  cursor: pointer
}

.button,
input[type="search"] {
  display: inline-flex;
  flex: 0 1 220px;
  align-items: center;
  gap: 8px;
  width: 220px;
  min-width: 0;
  height: 28px;
  padding: 0 12px;
  border: 1px solid var(--color-accent);
  background: none;
  color: var(--color-accent);
  font: inherit;
  line-height: 1;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .2s cubic-bezier(.645, .045, .355, 1), color .2s cubic-bezier(.645, .045, .355, 1)
}

.button:hover:not(:disabled) {
  background: var(--color-accent);
  color: var(--color-primary)
}

.button:active:not(:disabled) {
  background: var(--color-accent-2);
  color: var(--color-primary)
}

.button:disabled {
  cursor: not-allowed;
  opacity: .35
}

.button.compact {
  flex: none;
  width: auto
}

.close {
  display: inline-flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--color-accent-2);
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  transition: background-color .2s cubic-bezier(.645, .045, .355, 1), color .2s cubic-bezier(.645, .045, .355, 1)
}

.close:hover {
  background: var(--color-accent-5);
  color: var(--color-accent)
}

.close:active {
  background: var(--color-accent-4)
}

.link {
  cursor: pointer;
  transition: color .3s cubic-bezier(.645, .045, .355, 1)
}

/* ------------------- Search ------------------- */

input[type="search"] {
  outline: none;
  appearance: none;
  cursor: text
}

input[type="search"]::placeholder {
  color: var(--color-accent-2);
  opacity: 1
}

input[type="search"]::-webkit-search-cancel-button {
  width: 10px;
  height: 10px;
  background:
    linear-gradient(45deg, transparent 45%, var(--color-accent) 45%, var(--color-accent) 55%, transparent 55%),
    linear-gradient(-45deg, transparent 45%, var(--color-accent) 45%, var(--color-accent) 55%, transparent 55%);
  -webkit-appearance: none;
  cursor: pointer;
  opacity: .6
}

input[type="search"]::-webkit-search-cancel-button:hover {
  opacity: 1
}

/* ------------------- Panels ------------------- */

.panel {
  border: 1px solid var(--color-accent);
  border-top-width: 2px;
  background: var(--color-primary)
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--color-accent-2);
  color: var(--color-accent-2);
  font-size: 11px;
  line-height: 1.25;
  white-space: nowrap
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent-2);
  font-size: 12px;
  white-space: nowrap
}

.status::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-2)
}

.status.live {
  color: var(--color-accent)
}

.status.live::before {
  background: var(--color-live)
}

/* ------------------- Dropdowns ------------------- */

.dropdown {
  position: relative;
  flex: 0 1 220px;
  min-width: 0
}

.dropdown .button {
  justify-content: space-between;
  width: 100%
}

.dropdown .button span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis
}

.dropdown svg {
  flex: none;
  width: 12px;
  height: 12px;
  fill: currentColor;
  transition: transform .2s cubic-bezier(.645, .045, .355, 1)
}

.dropdown:has(.panel:not([hidden])) .button {
  background: var(--color-accent-4);
  color: var(--color-accent)
}

.dropdown:has(.panel:not([hidden])) .button:hover {
  background: var(--color-accent);
  color: var(--color-primary)
}

.dropdown:has(.panel:not([hidden])) svg {
  transform: rotate(180deg)
}

.dropdown .panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  width: max-content;
  min-width: 100%;
  max-width: 320px
}

.actions {
  display: flex;
  gap: 16px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-accent-2)
}

.list {
  display: flex;
  flex-direction: column;
  padding: 4px 0
}

.item {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 12px;
  color: var(--color-accent-2);
  line-height: 1.25;
  cursor: pointer;
  transition: background-color .2s cubic-bezier(.645, .045, .355, 1), color .2s cubic-bezier(.645, .045, .355, 1)
}

.item:hover {
  background: var(--color-accent-5);
  color: var(--color-accent)
}

.item.selected {
  background: var(--color-accent-4);
  color: var(--color-accent)
}

.item.selected:hover {
  background: var(--color-accent-3)
}

.item:has(input:focus-visible) {
  outline: 1px solid var(--color-accent);
  outline-offset: -2px
}

.item input {
  position: absolute;
  pointer-events: none;
  opacity: 0
}

/* ------------------- Timeline ------------------- */

main {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0
}

#viewport {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: auto;
  cursor: grab
}

#viewport.dragging {
  cursor: grabbing
}

#viewport.over-dot {
  cursor: pointer
}

#surface,
#plot {
  position: relative
}

#overview,
#axis {
  position: sticky;
  z-index: 2;
  background: var(--color-primary)
}

#overview {
  top: 0;
  height: 72px;
  border-bottom: 1px solid var(--color-accent-2)
}

#axis {
  bottom: 0;
  height: 40px;
  border-top: 1px solid var(--color-accent-2)
}

canvas {
  display: block
}

#overview-canvas,
#axis-canvas,
#plot-canvas {
  position: sticky;
  left: 0
}

#plot-canvas {
  top: 72px
}

#bands {
  position: absolute;
  inset: 0;
  pointer-events: none
}

.band {
  position: absolute;
  left: 0;
  display: flex;
  align-items: center;
  width: 100%
}

.band span {
  position: sticky;
  left: 12px
}

#dot-highlight {
  position: fixed;
  z-index: 50;
  display: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin: -4px 0 0 -4px;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-3);
  pointer-events: none;
  animation: pulse 1.1s ease-in-out infinite
}

@keyframes pulse {
  0%, 100% { transform: scale(1) }
  50% { transform: scale(1.7) }
}

/* ------------------- Views ------------------- */

.view {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0
}

.view canvas {
  flex: 1;
  width: 100%;
  height: 100%;
  min-height: 0;
  cursor: crosshair
}

/* ------------------- Placard ------------------- */

#placard {
  position: fixed;
  z-index: 50;
  display: none;
  width: 320px;
  pointer-events: none
}

#placard .head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--color-accent-2)
}

#placard .host {
  flex: none;
  max-width: 60%;
  overflow: hidden;
  font-size: 16px;
  font-weight: 350;
  text-overflow: ellipsis;
  white-space: nowrap
}

#placard .head .tag {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis
}

#placard .facts {
  display: flex;
  flex-direction: column;
  padding: 6px 16px
}

#placard .fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-accent-2)
}

#placard .fact:last-child {
  border-bottom: 0
}

#placard .k {
  color: var(--color-accent-2)
}

#placard .v {
  font-variant-numeric: tabular-nums;
  text-align: right
}

#placard .k i {
  display: inline-block;
  width: 16px;
  height: 2px;
  margin: 0 10px 0 0;
  background: var(--color-accent);
  vertical-align: middle
}

#placard .k i.rect {
  width: 10px;
  height: 10px
}

#placard .fact.active .k {
  color: var(--color-accent)
}

#placard .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px 16px 16px
}

#placard .hint {
  padding: 12px 16px;
  border-top: 1px solid var(--color-accent-2);
  color: var(--color-accent-2);
  font-size: 12px
}

/* ------------------- Overlays ------------------- */

.overlay,
#viewer {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: var(--color-overlay)
}

.overlay {
  z-index: 70;
  align-items: flex-start;
  padding: 96px 32px;
  opacity: 0;
  transition: opacity .3s cubic-bezier(.645, .045, .355, 1)
}

.overlay.visible {
  opacity: 1
}

#about {
  align-items: center
}

.overlay > .panel,
#viewer > .panel {
  display: flex;
  flex-direction: column;
  max-width: 100%;
  max-height: 100%
}

.overlay > .panel {
  width: 720px;
  transform: translateY(8px);
  transition: transform .3s cubic-bezier(.645, .045, .355, 1)
}

.overlay.visible > .panel {
  transform: none
}

.bar {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 48px;
  padding: 0 12px 0 16px;
  border-bottom: 1px solid var(--color-accent-2)
}

.bar > div {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0
}

.bar h2 {
  min-width: 0;
  overflow: hidden;
  font-size: 16px;
  text-overflow: ellipsis;
  white-space: nowrap
}

.body {
  padding: 1.1em 16px 1.4em 16px;
  overflow: auto
}

.body h1 {
  margin: 0 0 .3em 0;
  font-size: 3em;
  font-weight: 350;
  line-height: 1.1
}

.body h1::before {
  content: attr(data-heading);
  display: block;
  margin: 0 0 .8em 0;
  font-size: 14px;
  font-weight: 300
}

.body h1:not([data-heading])::before {
  display: none
}

.body p {
  margin: 0 0 .8em 0
}

.body p:last-child {
  margin: 0
}

.body section {
  margin-top: 1.1em
}

.body h3 {
  margin: .5em 0 0 0;
  padding: .8em 0 .6em 0;
  border-top: 1px solid var(--color-accent-2);
  font-size: 1.4em
}

.body p.note {
  margin: .8em 0 0 0;
  color: var(--color-accent-2);
  font-size: 12px
}

/* ------------------- About ------------------- */

.key,
.body ol {
  display: flex;
  flex-direction: column;
  gap: .4em
}

.key li,
.body ol li {
  display: grid;
  grid-template-columns: 40px 1fr;
  align-items: center;
  gap: 1em
}

.body ol li {
  grid-template-columns: auto 1fr;
  gap: .4em
}

.body ol li::before {
  color: var(--color-accent-2);
  font-variant-numeric: tabular-nums
}

.key svg {
  width: 40px;
  height: 16px;
  overflow: visible
}

.key .line {
  stroke: rgb(var(--laurel), .45);
  stroke-width: 11;
  stroke-linecap: round
}

.key .ring {
  fill: var(--color-primary)
}

.key .point {
  fill: var(--color-accent)
}

.key .live {
  fill: var(--color-live)
}

/* ------------------- Report ------------------- */

.empty {
  color: var(--color-accent-2)
}

/* ------------------- Viewer ------------------- */

#viewer {
  z-index: 60
}

#viewer > .panel {
  width: 85vw;
  height: 80vh
}

#viewer .bar > div {
  align-items: center
}

#viewer .bar > div:last-child {
  flex: none;
  gap: 8px
}

#viewer-date,
#viewer-count {
  color: var(--color-accent-2);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap
}

#viewer-count {
  padding: 0 8px 0 0
}

#viewer .close {
  margin-left: 8px
}

#viewer .body {
  position: relative;
  flex: 1;
  min-height: 0;
  padding: 0
}

#viewer-frame {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff
}

#viewer-status {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--color-primary);
  color: var(--color-accent-2);
  font-size: 12px;
  text-align: center;
  pointer-events: none
}

/* ------------------- Shortcuts ------------------- */

#shortcuts {
  position: relative
}

#shortcuts:hover .link,
#shortcuts:focus-within .link {
  color: var(--color-accent-2)
}

#shortcuts-panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 9px);
  z-index: 50;
  display: none;
  width: 320px;
  padding: 6px 16px;
  cursor: default
}

#shortcuts:hover #shortcuts-panel,
#shortcuts:focus-within #shortcuts-panel {
  display: block
}

.row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-accent-2)
}

.row:last-child {
  border-bottom: 0
}

.row b {
  white-space: nowrap
}

.row span {
  color: var(--color-accent-2);
  text-align: right
}

/* ------------------- Drop hint ------------------- */

#drop-hint {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  outline: 1px dashed var(--color-accent);
  outline-offset: -16px;
  background: var(--color-overlay);
  pointer-events: none
}

#drop-hint span {
  font-size: 16px
}

/* ------------------- Exhibition mode ------------------- */

body.exhibition header,
body.exhibition footer {
  display: none
}

/* ------------------- Mobile notice ------------------- */

#mobile-notice {
  display: none
}

@media screen and (max-width: 1100px) {

  /* ------------------- Headers and footers ------------------- */

  header,
  header > div {
    gap: 12px
  }

  header .button,
  header .dropdown,
  header input[type="search"] {
    flex-basis: 180px
  }
}

@media screen and (max-height: 800px) {

  /* ------------------- Overlays ------------------- */

  .overlay {
    padding: 32px
  }
}

@media screen and (max-width: 768px) {

  /* ------------------- Mobile notice ------------------- */

  body > *:not(#mobile-notice) {
    display: none !important
  }

  #mobile-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 32px;
    font-size: 16px;
    text-align: center
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important
  }
}