/* ============================================================
 * Boardly Board-Layer — BoardScroll + Swimlane + Column — Story 0064a / ADR-0030
 *
 * Reverse-engineered aus .project/design/styles.css Zeilen 264-410.
 * Sprint-7-MVP: BoardScroll (Container), Swimlane (Lane-Head + Lane-Rule),
 * Column (Head + List + Add-Card-Button). Sticky-Footer-Add-Card
 * vereinfacht zu Plain-Button (ADR-0030 Cut-Plan G).
 *
 * Existing-D&D-Klassen (.board-columns, .board-column, .board-column-cards,
 * .board-card-item) bleiben in pages.css UND zusaetzlich als Aliase auf den
 * neuen Selektoren — js/board-dnd.js (Story 0046) hat diese hardcoded.
 *
 * Reihenfolge im HTML (App.razor): tokens.css -> shell.css -> chrome.css
 * -> board.css -> card.css -> pages.css.
 * ============================================================ */

/* ---------- Board-Scroll (Background-Gradient + Custom-Scrollbar) ---------- */
.board-scroll {
    overflow-x: auto;
    overflow-y: auto;
    max-width: 100%;
    padding: 14px;
    background:
        radial-gradient(1200px 400px at 20% -100px, oklch(from var(--accent) l c h / 0.05), transparent 60%),
        var(--bg);
    position: relative;
    /* UI-Restyle: sichtbare Scrollbar erzwingen (macOS-Overlay-Scrollbars sind sonst unsichtbar). */
    scrollbar-width: thin;
    scrollbar-color: var(--line-strong) transparent;
}

.board-scroll::-webkit-scrollbar {
    height: 12px;
    width: 12px;
}

.board-scroll::-webkit-scrollbar-thumb {
    background: var(--line-strong);
    border-radius: 999px;
    border: 3px solid transparent;
    background-clip: padding-box;
}

.board-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--ink-3);
    background-clip: padding-box;
    border: 3px solid transparent;
}

.board-scroll::-webkit-scrollbar-track {
    background: transparent;
}

/* ---------- Swimlane (optional — Sprint-7-MVP rendert ohne Lanes) ---------- */
.swimlane {
    margin-bottom: 18px;
}

.swimlane-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 4px 10px 4px;
    color: var(--ink-2);
    font-size: 11px;
    font-family: var(--f-mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.swimlane-head .lane-count {
    font-family: var(--f-mono);
    color: var(--ink-3);
}

.swimlane-head .lane-rule {
    flex: 1;
    height: 1px;
    background: var(--line);
}

/* ---------- Columns-Container (horizontal Scroll, Sprint-7-MVP) ---------- */
.columns {
    display: flex;
    gap: var(--density-col-gap);
    align-items: flex-start;
}

/* Existing Klasse aus pages.css — js/board-dnd.js hardcoded; wir
   uebernehmen Boardly.html-Layout fuer denselben Selektor. */
.board-columns {
    display: flex;
    gap: var(--density-col-gap);
    align-items: flex-start;
    /* UI-Restyle FIX: EIN eindeutiger horizontaler Scroller = .board-scroll. Diese Flexrow
       ist so breit wie ihre Spalten (max-content) und fuellt mindestens die Sicht (min-width:100%).
       Dadurch laeuft sie zuverlaessig ueber .board-scroll, das dann scrollt. KEIN eigenes
       overflow hier (sonst konkurrieren zwei verschachtelte Scroller → es scrollte gar nichts). */
    width: max-content;
    min-width: 100%;
    padding-bottom: 4px;
}

/* ---------- Column ---------- */
.column,
.board-column {
    flex: 0 0 300px;
    max-width: 300px;
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: var(--r-3);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 220px);
}

[data-density="compact"] .column,
[data-density="compact"] .board-column {
    flex-basis: 260px;
    max-width: 260px;
}

[data-density="spacious"] .column,
[data-density="spacious"] .board-column {
    flex-basis: 320px;
    max-width: 320px;
}

/* ---------- Column-Head ---------- */
.column-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px 8px;
    position: sticky;
    top: 0;
    background: var(--surface-2);
    border-radius: var(--r-3) var(--r-3) 0 0;
    z-index: 1;
}

.column-head .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ink-3);
}

.column-head .title {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.005em;
    margin: 0;
}

.column-head .count {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    margin-left: 2px;
}

.column-head .col-wip {
    margin-left: auto;
    font-family: var(--f-mono);
    font-size: 10px;
    color: var(--ink-3);
    padding: 2px 5px;
    border-radius: 3px;
    border: 1px solid var(--line);
    background: transparent;
}

/* Sprint-8-Hotfix: doppelter margin-left: auto-Konflikt zwischen .col-wip und
   .column-actions vermeiden. Wenn beide existieren, soll col-wip neben column-actions
   kleben (kein flex-Restraum-Halbieren). Mit :has() greift die Override nur, wenn
   tatsaechlich auch .column-actions existiert. */
.column-head:has(.column-actions) .col-wip {
    margin-left: auto;
}
.column-head:has(.col-wip) .column-actions {
    margin-left: 0;
}

.column-head .col-wip.warn {
    color: var(--danger);
    border-color: oklch(from var(--danger) l c h / 0.4);
    background: oklch(from var(--danger) l c h / 0.06);
}

.column-head .col-menu {
    color: var(--ink-3);
    padding: 2px;
    border-radius: 4px;
    border: 0;
    background: none;
    cursor: pointer;
}

/* Story 0068-Hotfix: Action-Menu-Slot rechts im Column-Header verankern.
   Sonst rendert .column-actions als regulaerer flex-child links nach .count
   und das Dropdown (right: 0) ragt links aus der Column heraus. */
.column-head .column-actions {
    margin-left: auto;
}

.column-head .col-menu:hover {
    background: var(--bg-sunken);
    color: var(--ink);
}

/* ---------- Column-List (Cards-Container) ---------- */
.column-list,
.board-column-cards {
    padding: 4px 8px 8px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--density-card-gap);
    min-height: 40px;
}

.column-list.drop-active,
.board-column-cards.is-drop-target {
    background: oklch(from var(--accent) l c h / 0.06);
    border-radius: 0 0 var(--r-3) var(--r-3);
    outline: 2px dashed var(--accent);
    outline-offset: -4px;
}

/* ---------- Column-Add (Sprint-7-MVP: Plain-Button gemaess Cut-Plan G2) ---------- */
.column-add,
.board-add-card {
    margin: 4px 8px 8px;
    padding: 8px;
    border-radius: var(--r-2);
    color: var(--ink-3);
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px dashed transparent;
    background: transparent;
    cursor: pointer;
    width: calc(100% - 16px);
    text-align: left;
}

.column-add:hover,
.board-add-card:hover {
    background: var(--surface);
    color: var(--ink);
    border-color: var(--line);
}

/* ---------- Add-Column-Button ---------- */
.add-column,
.board-add-list {
    flex: 0 0 280px;
    height: 40px;
    border: 1px dashed var(--line-strong);
    border-radius: var(--r-3);
    color: var(--ink-3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 12.5px;
    margin-top: 0;
    background: transparent;
    cursor: pointer;
}

.add-column:hover,
.board-add-list:hover {
    border-color: var(--ink-3);
    color: var(--ink);
    background: var(--surface-2);
}

/* ---------- Story 0069 — Archive-Sicht-Polish ----------
   .is-archived auf Card/Board/Workspace/List-Wrapper: gedimmt + Sunken-Hintergrund.
   .archived-badge: kleines Badge mit Border + Surface-Background; rendert als
   Inline-Token oben rechts auf der archivierten Card.
   Wird auch von WorkspaceListPage / BoardListPage / BoardViewPage konsumiert. */
.is-archived {
    opacity: 0.55;
    background: var(--bg-sunken, var(--surface-2));
}

.archived-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--r-1, 4px);
    background: var(--surface);
    border: 1px solid var(--line);
    color: var(--ink-3);
    font-size: 11px;
    font-weight: 500;
    margin-bottom: 4px;
}

/* Story 0069 — Archivierte Karten unterhalb der aktiven; visuelle Trennung. */
.archived-cards-section {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed var(--line);
}

.archived-cards-section .card {
    margin-bottom: 6px;
}

.column-wrap {
    display: contents;
}

.column-wrap.is-archived {
    display: block;
    position: relative;
}

/* ============================================================
 * Action-Menu-Pattern (Sprint-8-Hotfix) — generisches <details>-Floating-Dropdown.
 *
 * Greift fuer alle <details class="X"><summary>⋮</summary><div class="Y">…</div></details>
 * Markup-Patterns aus Story 0068 / 0069 (Workspace-/Board-/Column-Action-Menus).
 * Ohne dieses CSS rendert das <div> in den normalen Flow und schiebt nachfolgende
 * Elemente nach unten — siehe User-Bug-Report Screenshot 2026-04-30.
 *
 * Pattern uebernommen von .modal .card-detail-actions in modal.css (Sprint-8-Story 0064b).
 * ============================================================ */
.workspace-actions,
.board-actions,
.column-action-menu {
    position: relative;
    display: inline-block;
}

/* Story 0068-Hotfix: Workspace-/Board-Action-Menus oben rechts in der Card,
   nicht als sibling-Block darunter. Setzt voraus, dass .workspace-card-wrap /
   .board-card-wrap einen position-context bilden (siehe unten). */
.workspace-card-wrap,
.board-card-wrap {
    position: relative;
}

.workspace-card-wrap > .workspace-actions,
.board-card-wrap > .board-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 5;
}

/* Icon-Trigger: kleiner ⋮-Button statt voller "Aktionen"-Text-Button. */
.actions-trigger {
    list-style: none;
    cursor: pointer;
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: var(--r-2);
    background: oklch(from var(--surface) l c h / 0.9);
    color: var(--ink-2);
    font-size: 16px;
    line-height: 1;
    user-select: none;
}

.actions-trigger::-webkit-details-marker {
    display: none;
}

.actions-trigger:hover {
    background: var(--surface);
    color: var(--ink);
}

.workspace-actions > summary,
.board-actions > summary,
.column-action-menu > summary {
    list-style: none;
    cursor: pointer;
}

.workspace-actions > summary::-webkit-details-marker,
.board-actions > summary::-webkit-details-marker,
.column-action-menu > summary::-webkit-details-marker {
    display: none;
}

.workspace-actions .workspace-actions-menu,
.board-actions .board-actions-menu,
.column-action-menu .column-action-menu-items {
    display: none;
}

.workspace-actions[open] .workspace-actions-menu,
.board-actions[open] .board-actions-menu,
.column-action-menu[open] .column-action-menu-items {
    display: flex;
    flex-direction: column;
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    padding: 4px;
    z-index: 20;
    min-width: 180px;
    gap: 2px;
}

.workspace-actions[open] .workspace-actions-menu button,
.board-actions[open] .board-actions-menu button,
.column-action-menu[open] .column-action-menu-items button {
    text-align: left;
    background: transparent;
    border: 0;
    padding: 6px 10px;
    cursor: pointer;
    color: var(--ink);
    font-size: 13px;
    border-radius: var(--r-1);
    width: 100%;
}

.workspace-actions[open] .workspace-actions-menu button:hover,
.board-actions[open] .board-actions-menu button:hover,
.column-action-menu[open] .column-action-menu-items button:hover {
    background: var(--surface-2);
}

/* Kalender-Ansicht (Story 0098) — Monatsraster (Mo–So, 6 Wochen). Reine UI, kein Backend. */
.calendar {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 12px;
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.calendar-title {
    min-width: 180px;
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    text-transform: capitalize;
}

.calendar-nav {
    width: 28px;
    height: 28px;
    border: 1px solid var(--line);
    border-radius: var(--r-2);
    background: var(--surface);
    color: var(--ink-3);
    cursor: pointer;
    font-size: 12px;
    line-height: 1;
}

.calendar-nav:hover {
    color: var(--ink);
    border-color: var(--line-strong);
}

.calendar-weekdays,
.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-weekday {
    padding: 4px 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--ink-3);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.calendar-day {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-height: 92px;
    padding: 4px 6px;
    border: 1px solid var(--line);
    border-radius: var(--r-2);
    background: var(--surface);
}

.calendar-day.is-outside {
    background: var(--bg-sunken);
    opacity: 0.55;
}

.calendar-day.is-today {
    border-color: var(--accent);
    box-shadow: inset 0 0 0 1px var(--accent);
}

.calendar-day-num {
    font-size: 12px;
    font-weight: 600;
    color: var(--ink-3);
}

.calendar-day.is-today .calendar-day-num {
    color: var(--accent);
}

.calendar-day-cards {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.calendar-card {
    display: block;
    padding: 2px 6px;
    border-radius: var(--r-1);
    background: var(--accent-soft);
    color: var(--ink);
    font-size: 11px;
    line-height: 1.3;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calendar-card:hover {
    filter: brightness(0.96);
}

.calendar-card.is-overdue {
    background: var(--danger);
    color: #fff;
}

/* Timeline/Gantt (Story 0099) — horizontale Tagesachse mit einem Balken je Karte.
   Tagesspalten-Breite + Label-Breite als CSS-Variablen, damit Header und Track 1:1 fluchten. */
.gantt {
    --gantt-col-w: 34px;
    --gantt-label-w: 200px;
    /* Story 0100 — feste Header-/Zeilen-/Gap-Hoehen, damit die Pfeil-SVG-Koordinaten exakt
       deterministisch sind (kein Drift durch Titel-Umbruch). Die C#-Konstanten in
       RenderDependencyArrows MUESSEN mit diesen Werten uebereinstimmen:
       rowH=28, rowGap=4 (→ rowPitch=32), headerH=36. */
    --gantt-header-h: 36px;
    --gantt-row-h: 28px;
    --gantt-row-gap: 4px;
    /* Story 0102 — Hoehe des KW/Monats-Bands (zweite Header-Zeile ueber der Tageszeile).
       MUSS mit GanttBandHeight (BoardViewPage.razor) uebereinstimmen. */
    --gantt-band-h: 20px;
    margin-top: 12px;
}

.gantt-scroll {
    position: relative;
    overflow-x: auto;
    padding-bottom: 6px;
}

/* Story 0102 — Zoom-Umschalter (Tag / Woche / Monat), oben rechts ueber dem Grid. */
.gantt-zoom {
    display: flex;
    justify-content: flex-end;
    gap: 0;
    margin-bottom: 8px;
}

.gantt-zoom-btn {
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink-3);
    font-size: 12px;
    padding: 4px 12px;
    cursor: pointer;
}

.gantt-zoom-btn + .gantt-zoom-btn {
    border-left: none;
}

.gantt-zoom-btn:first-child {
    border-top-left-radius: var(--r-1);
    border-bottom-left-radius: var(--r-1);
}

.gantt-zoom-btn:last-child {
    border-top-right-radius: var(--r-1);
    border-bottom-right-radius: var(--r-1);
}

.gantt-zoom-btn:hover {
    color: var(--ink);
}

.gantt-zoom-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    font-weight: 600;
}

/* Story 0102 — Hintergrund-Ebene (Wochenend-Schattierung). Absolut, ab Label-Breite, HINTER dem
   Grid (z-index:0). Volle Hoehe des Scroll-Containers. pointer-events:none. */
.gantt-bg-svg {
    position: absolute;
    left: var(--gantt-label-w);
    top: 0;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.gantt-weekend {
    fill: var(--ink);
    fill-opacity: 0.05;
}

/* Dependency-Pfeile (Story 0100) — SVG-Overlay ueber dem Track-Bereich. Liegt ab Label-Breite
   (links) und ab der ersten Datenzeile (top = Header-Hoehe). pointer-events:none, damit die
   darunterliegenden Balken klickbar bleiben. */
.gantt-deps-svg {
    position: absolute;
    left: var(--gantt-label-w);
    /* Header-Hoehe + das row-gap zwischen Header und erster Datenzeile. */
    top: calc(var(--gantt-header-h) + var(--gantt-row-gap));
    pointer-events: none;
    overflow: visible;
    z-index: 3;
}

.gantt-deps-line {
    stroke: var(--ink-3);
    stroke-width: 1.5;
}

.gantt-deps-line.is-violated {
    stroke: var(--danger);
    stroke-width: 2;
}

.gantt-deps-marker {
    fill: var(--ink-3);
}

.gantt-deps-marker.is-violated {
    fill: var(--danger);
}

.gantt-grid {
    display: grid;
    align-items: stretch;
    row-gap: var(--gantt-row-gap);
    min-width: max-content;
    /* Story 0102 — ueber der Wochenend-Hintergrund-Ebene (.gantt-bg-svg, z-index:0). Die
       Track-Zellen sind transparent, daher scheint die Schattierung durch; die Label-Spalte
       (sticky, opak) liegt links neben der bg-svg und verdeckt nichts. */
    position: relative;
    z-index: 1;
}

/* Story 0102 — KW/Monats-Band (zweite Header-Zeile). gantt-band-corner deckt die Label-Spalte. */
.gantt-band-corner {
    height: var(--gantt-band-h);
    background: var(--surface);
    position: sticky;
    left: 0;
    z-index: 2;
}

.gantt-band-cell {
    height: var(--gantt-band-h);
    display: flex;
    align-items: center;
    padding: 0 6px;
    border-left: 1px solid var(--line);
    overflow: hidden;
}

.gantt-band-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--ink-2);
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    text-transform: capitalize;
}

/* Story 0102 — Wochenend-Spalten im Tages-Header dezent markieren (Schattierung kommt aus der
   bg-svg-Ebene, die hinter dem transparenten Header durchscheint; diese Klasse nur fuer den Text). */
.gantt-day-head.is-weekend {
    color: var(--ink-3);
}

/* Story 0102 — Wochen-Zoom: KW-Nummer an Montagen (statt Tageszahl). */
.gantt-day-kw {
    font-size: 10px;
    font-weight: 600;
    color: var(--ink-2);
    white-space: nowrap;
}

/* Story 0102 — durchgehende Heute-Linie (im Pfeil-/Overlay-SVG ueber alle Datenzeilen). */
.gantt-today-line {
    stroke: var(--accent);
    stroke-width: 1.5;
    stroke-dasharray: 3 3;
}

/* Story 0103 — Datums-Tooltip waehrend des Balken-Drags (am Cursor). */
.gantt-drag-tooltip {
    position: fixed;
    z-index: 1000;
    display: none;
    pointer-events: none;
    padding: 3px 7px;
    border-radius: var(--r-1, 4px);
    background: var(--ink);
    color: var(--bg);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgb(0 0 0 / 18%);
}

.gantt-cell {
    box-sizing: border-box;
}

.gantt-corner {
    position: sticky;
    left: 0;
    z-index: 2;
    height: var(--gantt-header-h);
    display: flex;
    align-items: center;
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 600;
    color: var(--ink-3);
    background: var(--surface);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.gantt-day-head {
    height: var(--gantt-header-h);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
    padding: 3px 0;
    border-left: 1px solid var(--line);
    color: var(--ink-3);
}

.gantt-day-head.is-today {
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 600;
}

.gantt-day-wd {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.gantt-day-num {
    font-size: 12px;
    font-weight: 600;
}

.gantt-row-label {
    position: sticky;
    left: 0;
    z-index: 1;
    height: var(--gantt-row-h);
    box-sizing: border-box;
    display: flex;
    align-items: center;
    padding: 2px 8px;
    background: var(--surface);
    border-top: 1px solid var(--line);
}

.gantt-row-title {
    overflow: hidden;
    font-size: 12px;
    color: var(--ink);
    text-decoration: none;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.gantt-row-title:hover {
    text-decoration: underline;
}

.gantt-track {
    display: grid;
    align-items: center;
    height: var(--gantt-row-h);
    box-sizing: border-box;
    border-top: 1px solid var(--line);
}

.gantt-bar {
    display: flex;
    align-items: center;
    min-width: 0;
    height: 18px;
    padding: 0 6px;
    border-radius: var(--r-1);
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    line-height: 1;
    text-decoration: none;
    overflow: hidden;
    /* Story 0101 — Inline-Edit: Balken ziehbar (Move). Resize-Cursor an den Kanten via ::before/::after. */
    cursor: grab;
    position: relative;
    touch-action: none;
}

.gantt-bar:active {
    cursor: grabbing;
}

.gantt-bar:hover {
    filter: brightness(0.95);
}

/* Resize-Hotzones an den Kanten (nur Cursor-Hinweis; das Treffer-Targeting macht gantt-drag.js
   ueber offsetX). 7px = EDGE-Konstante im JS. */
.gantt-bar::before,
.gantt-bar::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 7px;
    cursor: ew-resize;
}

.gantt-bar::before { left: 0; }
.gantt-bar::after { right: 0; }

/* Marker (Ein-Tages) hat keine sinnvolle Resize-Kante. */
.gantt-bar.is-marker { cursor: grab; }
.gantt-bar.is-marker::before,
.gantt-bar.is-marker::after { cursor: grab; }

.gantt-bar.is-marker {
    justify-content: center;
    padding: 0;
    background: var(--accent-soft);
    color: var(--ink);
    border: 1px solid var(--accent);
}

.gantt-bar.is-overdue {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}

.gantt-bar-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.gantt-bar.is-marker .gantt-bar-label {
    display: none;
}