:root {
    --kanban-ink: #111827;
    --kanban-ink-soft: #374151;
    --kanban-muted: #6b7280;
    --kanban-muted-light: #9ca3af;
    --kanban-border: #e5e7eb;
    --kanban-border-strong: #d1d5db;
    --kanban-soft: #f7f8fa;
    --kanban-surface: #ffffff;
    --kanban-blue: #2563eb;
    --kanban-blue-dark: #1d4ed8;
    --kanban-blue-soft: #eef2ff;
    --kanban-danger: #b42318;
    --kanban-danger-soft: #fee2e2;
    --kanban-danger-soft-hover: #fecaca;
    --kanban-danger-ink: #991b1b;
    --kanban-success-soft: #dcfce7;
    --kanban-success-ink: #166534;
}

html,
body {
    background-color: #fafafa;
    background-image: radial-gradient(circle, var(--kanban-border) 1px, transparent 1px);
    background-size: 18px 18px;
    /* Kanban columns scroll horizontally; without this, a trackpad/touch
       swipe that runs out of columns to scroll falls through to the
       browser's swipe-to-go-back/forward navigation gesture. */
    overscroll-behavior-x: none;
}

body {
    margin-left: 0;
    margin-right: 0;
}

main.kanban-page {
    width: min(1440px, calc(100vw - 32px));
    max-width: none;
    min-width: 0;
    margin: 0 auto;
    padding: 24px 0 56px;
    box-sizing: border-box;
}

.kanban-toolbar,
.kanban-board-nav,
.kanban-dialog-heading,
.kanban-dialog-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.kanban-toolbar {
    padding-bottom: 20px;
    border-bottom: 1px solid var(--kanban-border);
}

.kanban-toolbar h1,
.kanban-dialog-heading h2 {
    margin: 0;
    color: var(--kanban-ink);
    font-weight: 650;
}

.kanban-eyebrow {
    margin: 0 0 4px;
    color: var(--kanban-muted);
    font-size: 12px;
    font-weight: 650;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.kanban-project-controls,
.kanban-board-actions,
.kanban-dialog-footer > div {
    display: flex;
    align-items: center;
    gap: 10px;
}

.kanban-project-controls label {
    color: var(--kanban-muted);
    font-size: 13px;
}

.kanban-workspace-trigger {
    color: var(--kanban-muted);
    font-size: 13px;
    padding: 6px 8px;
    margin-left: -8px;
    border-radius: 6px;
}

.kanban-workspace-trigger:hover,
.kanban-workspace-trigger[aria-expanded="true"] {
    background: var(--kanban-soft);
    color: var(--kanban-ink);
}

.kanban-workspace-trigger:focus-visible {
    outline: 2px solid var(--kanban-blue);
    outline-offset: 1px;
}

.kanban-project-controls select,
.kanban-card-move,
.kanban-search {
    min-height: 38px;
    border: 1px solid var(--kanban-border-strong);
    border-radius: 8px;
    background: var(--kanban-surface);
    color: var(--kanban-ink);
    padding: 7px 10px;
    font: inherit;
}

.kanban-project-controls select {
    min-width: 220px;
}

#kanban-workspace-select {
    appearance: none;
    border-color: transparent;
    background: transparent;
    padding: 7px 8px;
    cursor: pointer;
}

#kanban-workspace-select:hover {
    background: var(--kanban-soft);
}

#kanban-workspace-select:focus {
    border-color: var(--kanban-border-strong);
    background: var(--kanban-surface);
}

#kanban-workspace-select:focus-visible {
    outline: 2px solid var(--kanban-blue);
    outline-offset: 1px;
}

.kanban-project-controls {
    flex-wrap: wrap;
}

.kanban-text-link {
    color: var(--kanban-blue);
    font-size: 13px;
    text-decoration: none;
}

.kanban-text-link:hover,
.kanban-text-link:focus-visible {
    text-decoration: underline;
}

.kanban-button,
.kanban-icon-button,
.kanban-board-tab,
.kanban-column-action,
.kanban-menu-item,
.kanban-picker-list,
.kanban-workspace-trigger {
    appearance: none;
    border: 1px solid transparent;
    background: none;
    color: inherit;
    font: inherit;
    cursor: pointer;
}

.kanban-button {
    min-height: 36px;
    border-radius: 8px;
    background: var(--kanban-ink);
    color: var(--kanban-surface);
    padding: 7px 13px;
    font-size: 13px;
    font-weight: 600;
}

.kanban-button:hover {
    background: var(--kanban-ink-soft);
}

.kanban-button--quiet {
    border-color: var(--kanban-border-strong);
    background: var(--kanban-surface);
    color: var(--kanban-ink-soft);
}

.kanban-button--quiet:hover {
    background: var(--kanban-soft);
}

.kanban-button--danger {
    border-color: var(--kanban-danger-soft-hover);
    background: var(--kanban-surface);
    color: var(--kanban-danger);
}

.kanban-button:disabled,
.kanban-column-action:disabled,
.kanban-card-move:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.kanban-feedback {
    min-height: 22px;
    padding: 10px 0 0;
    color: var(--kanban-muted);
    font-size: 13px;
}

.kanban-feedback[data-variant="error"] {
    color: var(--kanban-danger);
}

.kanban-empty {
    margin-top: 56px;
    padding: 48px 24px;
    border: 1px dashed var(--kanban-border-strong);
    border-radius: 12px;
    text-align: center;
}

.kanban-empty h2,
.kanban-empty p {
    margin: 0;
}

.kanban-empty p {
    margin-top: 7px;
    color: var(--kanban-muted);
}

.kanban-board-nav {
    padding: 8px 0;
    border-bottom: 1px solid var(--kanban-border);
}

.kanban-board-tabs-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    flex: 1 1 auto;
}

.kanban-board-tabs-wrap .kanban-icon-button {
    flex: 0 0 auto;
}

.kanban-board-tabs {
    display: flex;
    align-items: center;
    gap: 4px;
    min-width: 0;
    flex: 0 1 auto;
    overflow-x: auto;
    scrollbar-width: thin;
}

.kanban-board-tab {
    flex: 0 0 auto;
    border-radius: 7px;
    color: var(--kanban-muted);
    padding: 8px 12px;
    font-size: 13px;
}

.kanban-board-tab:hover {
    background: var(--kanban-soft);
    color: var(--kanban-ink);
}

.kanban-board-tab[aria-selected="true"] {
    background: var(--kanban-blue-soft);
    color: var(--kanban-blue-dark);
    font-weight: 650;
}

.kanban-columns {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    width: 100%;
    margin-top: 16px;
    padding-bottom: 24px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.kanban-columns::-webkit-scrollbar {
    display: none;
}

.kanban-column {
    flex: 0 0 292px;
    width: 292px;
    border: 1px solid var(--kanban-border);
    border-radius: 12px;
    background: var(--kanban-soft);
    overflow: hidden;
}

.kanban-column[data-completion="true"] {
    background: #f6faf7;
}

.kanban-column-header {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 48px;
    padding: 8px 10px;
    border-bottom: 1px solid var(--kanban-border);
}

.kanban-column-drag,
.kanban-card-drag {
    color: var(--kanban-muted-light);
    cursor: grab;
    user-select: none;
}

.kanban-column-title {
    min-width: 0;
    margin: 0;
    overflow: hidden;
    color: var(--kanban-ink);
    font-size: 14px;
    font-weight: 650;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kanban-column-count {
    margin-left: auto;
    color: var(--kanban-muted);
    font-size: 12px;
}

.kanban-completion-label {
    border-radius: 999px;
    background: var(--kanban-success-soft);
    color: var(--kanban-success-ink);
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 650;
    text-transform: uppercase;
}

.kanban-column-actions {
    display: flex;
    gap: 2px;
}

.kanban-column-action,
.kanban-icon-button {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    color: var(--kanban-muted);
    line-height: 1;
}

.kanban-column-action:hover,
.kanban-icon-button:hover {
    background: var(--kanban-border);
    color: var(--kanban-ink);
}

.kanban-menu-wrap {
    position: relative;
    display: inline-flex;
}

.kanban-menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    z-index: 20;
    display: flex;
    flex-direction: column;
    min-width: 190px;
    padding: 6px;
    border: 1px solid var(--kanban-border);
    border-radius: 10px;
    background: var(--kanban-surface);
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.14);
}

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

.kanban-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 10px;
    border-radius: 7px;
    font-size: 13px;
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
}

.kanban-menu-item:hover {
    background: var(--kanban-soft);
}

.kanban-menu-item:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.kanban-menu-item:disabled:hover {
    background: none;
}

.kanban-menu-icon {
    display: inline-flex;
    flex: 0 0 auto;
    width: 18px;
    align-items: center;
    justify-content: center;
    color: var(--kanban-muted);
}

.kanban-menu-item--danger {
    color: var(--kanban-danger);
}

.kanban-menu-item--danger .kanban-menu-icon {
    color: var(--kanban-danger);
}

.kanban-card-list {
    min-height: 82px;
    padding: 9px;
}

.kanban-card {
    margin-bottom: 9px;
    border: 1px solid var(--kanban-border);
    border-radius: 9px;
    background: var(--kanban-surface);
    padding: 11px;
    box-shadow: 0 1px 2px rgba(17, 24, 39, 0.04);
}

.kanban-card:last-child {
    margin-bottom: 0;
}

.kanban-card[data-available="false"] {
    border-style: dashed;
    background: #fffafa;
}

.kanban-card--done {
    opacity: 0.4;
}

.kanban-card-topline {
    display: flex;
    align-items: center;
    gap: 7px;
}

.kanban-card-list-name {
    min-width: 0;
    overflow: hidden;
    color: var(--kanban-muted);
    font-size: 11px;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kanban-card-name {
    color: var(--kanban-ink);
    font-size: 13px;
    font-weight: 650;
    text-decoration: none;
}

.kanban-editable {
    cursor: text;
    border-radius: 4px;
}

.kanban-editable:hover {
    background: var(--kanban-soft);
}

.kanban-editable:focus-visible {
    outline: 2px solid var(--kanban-blue);
    outline-offset: 1px;
}

.kanban-editing {
    flex: 1 1 auto;
    min-width: 0;
}

.kanban-inline-edit {
    display: block;
    box-sizing: border-box;
    width: 100%;
    border: 1px solid var(--kanban-blue);
    border-radius: 4px;
    background: var(--kanban-surface);
    color: var(--kanban-ink);
    font: inherit;
    padding: 2px 6px;
}

textarea.kanban-inline-edit {
    min-height: 64px;
    overflow: hidden;
    resize: none;
}

.kanban-inline-edit:disabled {
    opacity: 0.6;
}

a.kanban-card-name:hover,
a.kanban-card-name:focus-visible {
    color: var(--kanban-blue);
    text-decoration: underline;
}

.kanban-card-actions {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
}

.kanban-card-description {
    display: -webkit-box;
    margin: 6px 0 0;
    overflow: hidden;
    color: var(--kanban-muted);
    font-size: 12px;
    line-height: 1.45;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    border-radius: 4px;
}

.kanban-card-description--expanded {
    -webkit-line-clamp: unset;
    overflow: visible;
}

.kanban-card-description--empty {
    color: var(--kanban-muted-light);
    font-style: italic;
}

.kanban-expandable {
    cursor: pointer;
}

.kanban-expandable:hover {
    background: var(--kanban-soft);
}

.kanban-expandable:focus-visible {
    outline: 2px solid var(--kanban-blue);
    outline-offset: 1px;
}

.kanban-card-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
}

.kanban-card-move-wrap {
    position: relative;
    display: inline-flex;
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
}

.kanban-card-move {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    min-height: 0;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 6px;
    background: none;
    color: transparent;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
}

.kanban-card-move:hover,
.kanban-card-move:focus-visible {
    background: var(--kanban-border);
}

.kanban-card-move-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--kanban-muted);
    font-size: 15px;
    line-height: 1;
    pointer-events: none;
}

.kanban-card-move:hover ~ .kanban-card-move-icon,
.kanban-card-move:focus-visible ~ .kanban-card-move-icon {
    color: var(--kanban-ink);
}

.kanban-card-move:disabled ~ .kanban-card-move-icon {
    opacity: 0.45;
}

.kanban-checked-label,
.kanban-unavailable-label {
    flex: 0 0 auto;
    border-radius: 999px;
    padding: 3px 7px;
    font-size: 10px;
    font-weight: 650;
}

.kanban-checked-label {
    background: var(--kanban-success-soft);
    color: var(--kanban-success-ink);
}

.kanban-unavailable-label {
    background: var(--kanban-danger-soft);
    color: var(--kanban-danger-ink);
}

.kanban-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: 10px;
}

.kanban-card-created {
    min-width: 0;
    overflow: hidden;
    color: var(--kanban-muted);
    font-size: 11px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kanban-card-due {
    flex: 0 0 auto;
    border: none;
    border-radius: 999px;
    background: var(--kanban-soft);
    color: var(--kanban-muted);
    padding: 3px 9px;
    font: inherit;
    font-size: 11px;
    font-weight: 650;
    cursor: pointer;
    appearance: none;
}

.kanban-card-due:hover {
    background: var(--kanban-border);
    color: var(--kanban-ink);
}

.kanban-card-due:disabled {
    cursor: default;
}

.kanban-card-due--overdue {
    background: var(--kanban-danger-soft);
    color: var(--kanban-danger-ink);
}

.kanban-card-due--overdue:hover {
    background: var(--kanban-danger-soft-hover);
}

.kanban-card-ghost {
    opacity: 0.35;
}

.kanban-card-chosen {
    box-shadow: 0 8px 22px rgba(17, 24, 39, 0.12);
}

.kanban-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    margin: 0;
    transform: translate(-50%, -50%);
    width: min(840px, calc(100vw - 32px));
    max-height: min(720px, calc(100vh - 32px));
    padding: 0;
    border: 1px solid var(--kanban-border);
    border-radius: 14px;
    background: var(--kanban-surface);
    color: var(--kanban-ink);
}

.kanban-dialog::backdrop {
    background: rgba(17, 24, 39, 0.35);
}

.kanban-dialog--narrow {
    width: min(360px, calc(100vw - 32px));
}

.kanban-dialog-shell {
    padding: 20px;
}

.kanban-tabs {
    display: flex;
    gap: 4px;
    margin-top: 16px;
    border-bottom: 1px solid var(--kanban-border);
}

.kanban-tabs[hidden] {
    display: none;
}

.kanban-tab {
    border-radius: 8px 8px 0 0;
    padding: 9px 14px;
    color: var(--kanban-muted);
    font-size: 13px;
    font-weight: 600;
}

.kanban-tab:hover {
    background: var(--kanban-soft);
    color: var(--kanban-ink);
}

.kanban-tab[aria-selected="true"] {
    background: var(--kanban-soft);
    color: var(--kanban-ink);
}

.kanban-search-label {
    display: block;
    margin: 18px 0 6px;
    color: var(--kanban-muted);
    font-size: 12px;
    font-weight: 600;
}

.kanban-search,
.kanban-textarea {
    width: 100%;
    box-sizing: border-box;
}

.kanban-textarea {
    min-height: 120px;
    border: 1px solid var(--kanban-border-strong);
    border-radius: 8px;
    background: var(--kanban-surface);
    color: var(--kanban-ink);
    padding: 9px 10px;
    font: inherit;
    resize: vertical;
}

.kanban-color-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.kanban-color-swatch {
    position: relative;
    width: 26px;
    height: 26px;
    border: 2px solid transparent;
    border-radius: 7px;
    background: var(--kanban-border-strong);
    box-shadow: inset 0 0 0 1px rgba(17, 24, 39, 0.08);
    cursor: pointer;
    padding: 0;
}

.kanban-color-swatch:hover {
    transform: scale(1.08);
}

.kanban-color-swatch[aria-checked="true"] {
    border-color: var(--kanban-ink);
}

.kanban-color-swatch--none {
    background: var(--kanban-surface);
}

.kanban-color-swatch--none::before,
.kanban-color-swatch--none::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 2px;
    background: var(--kanban-border-strong);
    transform: translate(-50%, -50%) rotate(45deg);
}

.kanban-color-swatch--none::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.kanban-projects-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 14px;
}

.kanban-projects-column h3 {
    margin: 0 0 8px;
    color: var(--kanban-muted);
    font-size: 12px;
    font-weight: 650;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.kanban-projects-column .kanban-picker-lists {
    max-height: 320px;
}

.kanban-project-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    cursor: default;
}

.kanban-picker {
    display: grid;
    grid-template-columns: 230px 1fr;
    gap: 14px;
    height: min(430px, 55vh);
    margin-top: 14px;
}

.kanban-picker-lists,
.kanban-picker-items {
    overflow-y: auto;
    border: 1px solid var(--kanban-border);
    border-radius: 10px;
}

.kanban-picker-list {
    display: block;
    width: 100%;
    border-bottom: 1px solid var(--kanban-border);
    padding: 11px 12px;
    text-align: left;
}

.kanban-picker-list:last-child {
    border-bottom: 0;
}

.kanban-picker-list[aria-selected="true"] {
    background: var(--kanban-blue-soft);
    color: var(--kanban-blue-dark);
    font-weight: 650;
}

.kanban-picker-item {
    display: grid;
    grid-template-columns: 20px 1fr;
    gap: 10px;
    padding: 12px;
    border-bottom: 1px solid var(--kanban-border);
    cursor: pointer;
}

.kanban-picker-item:last-child {
    border-bottom: 0;
}

.kanban-picker-item input {
    width: 17px;
    height: 17px;
    margin-top: 2px;
}

.kanban-picker-item strong,
.kanban-picker-item span {
    display: block;
}

.kanban-picker-item strong {
    font-size: 13px;
}

.kanban-picker-item span {
    margin-top: 3px;
    color: var(--kanban-muted);
    font-size: 12px;
    line-height: 1.4;
}

.kanban-picker-placeholder {
    padding: 24px;
    color: var(--kanban-muted);
    text-align: center;
}

.kanban-history-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 16px;
    max-height: 60vh;
    overflow-y: auto;
}

.kanban-history-entry {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 12px;
    border: 1px solid var(--kanban-border);
    border-radius: 8px;
    background: var(--kanban-soft);
}

.kanban-history-when {
    color: var(--kanban-muted);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.kanban-history-message {
    color: var(--kanban-ink);
    font-size: 13px;
}

.kanban-history-diffs {
    margin: 4px 0 0;
    padding-left: 18px;
    color: var(--kanban-muted);
    font-size: 12px;
}

.kanban-history-diffs li {
    margin-top: 2px;
}

.kanban-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--kanban-muted);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
}

.kanban-toggle[hidden] {
    display: none;
}

.kanban-toggle input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.kanban-toggle-track {
    position: relative;
    flex: 0 0 auto;
    width: 34px;
    height: 20px;
    border-radius: 999px;
    background: var(--kanban-border-strong);
    transition: background 0.15s ease;
}

.kanban-toggle-track::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--kanban-surface);
    box-shadow: 0 1px 2px rgba(17, 24, 39, 0.25);
    transition: transform 0.15s ease;
}

.kanban-toggle input:checked ~ .kanban-toggle-track {
    background: var(--kanban-blue);
}

.kanban-toggle input:checked ~ .kanban-toggle-track::after {
    transform: translateX(14px);
}

.kanban-toggle input:focus-visible ~ .kanban-toggle-track {
    outline: 2px solid var(--kanban-blue);
    outline-offset: 2px;
}

.kanban-dialog-footer {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--kanban-border);
    color: var(--kanban-muted);
    font-size: 12px;
}

@media (max-width: 820px) {
    main.kanban-page {
        width: calc(100vw - 20px);
        padding-top: 16px;
    }

    .kanban-toolbar,
    .kanban-board-nav {
        align-items: flex-start;
        flex-direction: column;
    }

    .kanban-project-controls {
        width: 100%;
        flex-wrap: wrap;
    }

    .kanban-project-controls select {
        flex: 1 1 220px;
        min-width: 0;
    }

    .kanban-board-nav,
    .kanban-board-tabs-wrap,
    .kanban-board-tabs {
        width: 100%;
    }

    .kanban-column {
        flex-basis: min(84vw, 292px);
        width: min(84vw, 292px);
    }

    .kanban-picker {
        grid-template-columns: 1fr;
        height: 58vh;
    }

    .kanban-picker-lists {
        max-height: 120px;
    }

    .kanban-projects-panel {
        grid-template-columns: 1fr;
    }

    .kanban-dialog-footer {
        align-items: flex-start;
        flex-direction: column;
    }
}