:root {
  color-scheme: light;
  --page: #f7f7f5;
  --panel: #ffffff;
  --ink: #151515;
  --muted: #6f6f68;
  --line: #d9d9d2;
  --line-strong: #1c1c1c;
  --shadow: rgba(0, 0, 0, 0.08);
  --content-max: 1180px;
  --label-gutter: 42px;
  --status-gutter: 72px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: "Barlow", Arial, sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  width: min(var(--content-max), calc(100vw - var(--label-gutter) - var(--status-gutter)));
  margin-left: max(var(--label-gutter), calc((100vw - var(--content-max)) / 2));
  margin-right: max(var(--status-gutter), calc((100vw - var(--content-max)) / 2));
  padding: 14px 0 28px;
}

.topbar {
  position: fixed;
  top: 12px;
  left: 10px;
  z-index: 20;
  display: grid;
  gap: 6px;
  width: 20px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 0.85;
  text-orientation: upright;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.save-state {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 20;
  width: calc(var(--status-gutter) - 24px);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
  text-align: right;
}

.board-controls {
  display: grid;
  grid-template-columns: 25% auto auto minmax(0, 1fr) auto auto auto;
  gap: 8px;
  align-items: center;
  min-width: 720px;
  margin-bottom: 14px;
}

.board-controls .icon-button {
  width: 38px;
  height: 38px;
}

#import-board {
  grid-column: 5;
  justify-self: end;
}

#download-board {
  grid-column: 6;
}

#info-board {
  grid-column: 7;
}

.info-button {
  font-size: 1rem;
  font-weight: 600;
}

.board-picker {
  position: relative;
  min-width: 0;
}

.board-picker-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  outline: none;
  padding: 7px 9px;
  text-align: left;
}

.board-picker-button[hidden] {
  display: none;
}

.board-name-edit {
  display: block;
}

#board-picker-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.board-picker-caret {
  flex: 0 0 auto;
  font-weight: 600;
  line-height: 1;
}

.board-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 30;
  display: grid;
  padding: 4px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: 4px 4px 0 var(--shadow);
}

.board-menu[hidden] {
  display: none;
}

.board-name-edit[hidden] {
  display: none;
}

.board-menu-item {
  width: 100%;
  min-height: 34px;
  border: 0;
  border-radius: 0;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  outline: none;
  padding: 7px 9px;
  text-align: left;
}

.board-menu-item + .board-menu-item {
  border-top: 1px solid var(--line);
}

.board-menu-item:hover,
.board-menu-item:focus-visible,
.board-menu-item[aria-selected="true"] {
  background: var(--ink);
  color: var(--panel);
}

.tag-filter {
  position: absolute;
  top: 48px;
  right: 48px;
  z-index: 15;
  display: grid;
  gap: 8px;
  width: min(280px, calc(100% - 24px));
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: 4px 4px 0 var(--shadow);
}

.tag-filter[hidden] {
  display: none;
}

.board-picker-button,
input {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--panel);
  color: var(--ink);
  outline: none;
  padding: 7px 9px;
}

.board-picker-button:focus-visible,
input:focus {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

input:disabled,
textarea:read-only {
  color: var(--muted);
}

.board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: start;
  min-width: 720px;
}

.column {
  position: relative;
  min-width: 0;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: 4px 4px 0 var(--shadow);
}

.column-header {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 64px;
  align-items: center;
  gap: 8px;
  min-height: 54px;
  border-bottom: 1px solid var(--line-strong);
  padding: 10px 12px;
}

.column-left,
.column-tools {
  display: flex;
  align-items: center;
  min-width: 0;
}

.column-left {
  justify-content: flex-start;
}

.column-tools {
  justify-content: flex-end;
  gap: 8px;
}

.column-title {
  min-width: 0;
  text-align: center;
}

.column-left:empty {
  min-height: 28px;
}

.column-header .icon-button {
  width: 28px;
  height: 28px;
  font-size: 0.9rem;
}

h2 {
  overflow-wrap: anywhere;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.items {
  display: grid;
  gap: 10px;
  align-content: start;
  grid-auto-rows: max-content;
  min-height: 180px;
  padding: 10px;
}

.card {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  background: #fbfbfa;
  padding: 8px;
}

.tag-autocomplete {
  display: grid;
  max-height: 142px;
  overflow-y: auto;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: 3px 3px 0 var(--shadow);
  padding: 4px;
}

.tag-autocomplete[hidden] {
  display: none;
}

.tag-autocomplete-option {
  width: 100%;
  min-height: 30px;
  border: 0;
  border-radius: 0;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  padding: 5px 8px;
  text-align: left;
}

.tag-autocomplete-option + .tag-autocomplete-option {
  border-top: 1px solid var(--line);
}

.tag-autocomplete-option:hover,
.tag-autocomplete-option[aria-selected="true"] {
  background: var(--ink);
  color: var(--panel);
}

textarea {
  width: 100%;
  height: 28px;
  min-height: 28px;
  resize: none;
  overflow: hidden;
  border: 0;
  border-bottom: 1px solid var(--line);
  outline: none;
  background: transparent;
  color: var(--ink);
  line-height: 1.35;
}

textarea:focus {
  border-bottom-color: var(--line-strong);
}

.card-actions {
  display: flex;
  align-items: end;
  justify-content: end;
  gap: 6px;
}

.card-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 8px;
}

.card-footer[hidden] {
  display: none;
}

.card.is-draft textarea {
  border-bottom-color: transparent;
}

.card-tags {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  min-width: 0;
}

.card-tag {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1;
  padding: 3px 5px;
}

.priority-control {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

.priority-control[hidden] {
  display: none;
}

.priority-input {
  width: 28px;
  min-height: 28px;
  padding: 3px;
  border-color: var(--line);
  font-size: 0.8rem;
  text-align: center;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1;
}

.text-button {
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  font-weight: 500;
  padding: 7px 12px;
  white-space: nowrap;
}

.tag-button {
  width: 100%;
  min-height: 30px;
  padding: 5px 9px;
  text-align: left;
}

.tag-button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--panel);
}

.tag-button.is-unavailable {
  opacity: 0.35;
}

.info-modal {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(247, 247, 245, 0.72);
}

.info-modal[hidden] {
  display: none;
}

.info-panel {
  width: min(440px, 100%);
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: 4px 4px 0 var(--shadow);
}

.info-header {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 32px;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line-strong);
  padding: 10px 12px;
}

.info-header h2 {
  grid-column: 2;
  text-align: center;
}

#close-info {
  grid-column: 3;
}

.info-content {
  display: grid;
  gap: 10px;
  padding: 12px;
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.35;
}

.info-content code {
  border: 1px solid var(--line);
  background: #fbfbfa;
  color: var(--ink);
  font-family: "Barlow", Arial, sans-serif;
  font-size: 0.9em;
  font-weight: 600;
  padding: 0 3px;
}

.text-button:hover,
.icon-button:hover {
  background: var(--ink);
  color: var(--panel);
}

.text-button:focus-visible,
.icon-button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.text-button:disabled,
.icon-button:disabled {
  border-color: var(--line);
  color: var(--line);
  cursor: default;
}

.text-button:disabled:hover,
.icon-button:disabled:hover {
  background: var(--panel);
  color: var(--line);
}

.tooltip {
  display: block;
  position: fixed;
  z-index: 120;
  max-width: 180px;
  padding: 5px 7px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--panel);
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.1;
  pointer-events: none;
  text-align: center;
  white-space: nowrap;
}

.tooltip[hidden] {
  display: none;
}

@media (max-width: 780px) {
  .app-shell {
    width: 720px;
    margin-left: var(--label-gutter);
    margin-right: var(--status-gutter);
    padding: 14px 0 28px;
  }

  body {
    overflow-x: auto;
  }
}