/* Light Kanban board — used by BOARD.html + board_app.js */
:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --border: #d8dce3;
  --text: #1a1d26;
  --muted: #5c6578;
  --accent: #0b6bcb;
  --front-bg: #e3f2e9;
  --front-text: #1b5e3a;
  --source-bg: #e8eef9;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --drag-outline: #0b6bcb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
  min-height: 100vh;
}

.header-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.header-title-row h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.app-pages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.65rem;
}

.app-page-link {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.28rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
  background: rgba(15, 23, 42, 0.04);
}

.app-page-link:hover {
  color: var(--text);
  border-color: var(--accent);
}

.app-page-link.is-current {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

header h1 {
  margin: 0 0 0.35rem 0;
  font-size: 1.25rem;
  font-weight: 600;
}

header .sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.8125rem;
  max-width: 52rem;
}

.view-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 0 0 0;
  padding: 0;
}

.view-tab {
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.4rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.view-tab:hover {
  background: var(--bg);
}

.view-tab.is-active {
  background: #ede9fe;
  border-color: #a78bfa;
  color: #4c1d95;
}

.view-tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

header .warn {
  margin: 0.5rem 0 0 0;
  padding: 0.5rem 0.65rem;
  background: #fff8e6;
  border: 1px solid #f0d78c;
  border-radius: 6px;
  font-size: 0.78rem;
  color: #5c4a1a;
  max-width: 52rem;
}

.filter-bar {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem 1.5rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.filter-group label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.filter-group select {
  min-width: 14rem;
  padding: 0.45rem 0.6rem;
  font-size: 0.875rem;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
}

.filter-summary {
  margin: 0;
  flex: 1 1 12rem;
  font-size: 0.8rem;
  color: var(--muted);
  align-self: center;
}

.board.swimlane-board {
  padding: 1rem 1.25rem 2rem;
  overflow-x: auto;
}

.swimlane-matrix {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

.swimlane-intro {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.45;
  max-width: 52rem;
}

.swimlane-band.swim-priority-block {
  width: 100%;
  min-width: 0;
}

.priority-column-inner {
  display: flex;
  flex-direction: column;
  gap: 0;
  flex: 1;
  min-height: 0;
}

.priority-front-subsection {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.65);
  margin: 0.5rem 0.6rem;
}

.priority-front-subsection + .priority-front-subsection {
  margin-top: 0.55rem;
}

.priority-front-subsection.is-collapsed .priority-front-subsection-body {
  display: none;
}

.priority-front-subsection .priority-front-collapsed-hint {
  display: none;
}

.priority-front-subsection.is-collapsed .priority-front-collapsed-hint {
  display: block;
}

.priority-front-subsection.session-drop-target {
  outline: 2px dashed var(--drag-outline);
  outline-offset: -2px;
  background: rgba(238, 246, 255, 0.95);
}

.priority-front-subhead {
  padding: 0.4rem 0.65rem 0.4rem 0.55rem;
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.045) 0%, rgba(15, 23, 42, 0.01) 70%, #ffffff 100%);
  border-bottom: 1px solid var(--border);
  gap: 0.5rem;
}

.priority-front-subhead .session-title-text::before {
  width: 0.4rem;
  height: 0.4rem;
  background: var(--muted);
  opacity: 0.7;
  margin-right: 0.45rem;
}

.priority-front-subhead .priority-front-subhead-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.priority-front-subhead .session-count {
  background: rgba(15, 23, 42, 0.08);
  color: var(--text);
  font-size: 0.65rem;
  box-shadow: none;
}

.priority-inner-label-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.25rem;
  padding: 0.35rem 0.4rem 0;
  background: rgba(15, 23, 42, 0.03);
  border-bottom: 1px solid var(--border);
}

.priority-inner-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.35rem 0.2rem;
  text-align: center;
  border-radius: 6px 6px 0 0;
  background: #fff;
  border: 1px solid var(--border);
  border-bottom: none;
}

.priority-inner-label-text {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  line-height: 1.2;
}

.priority-inner-count {
  font-size: 0.65rem;
}

.priority-status-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.45rem;
  padding: 0.45rem 0.5rem 0.6rem;
  align-items: start;
  flex: 1;
}

.swim-cell.session-cards {
  padding: 0.35rem;
  min-height: 52px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px dashed rgba(90, 100, 120, 0.2);
}

.count {
  background: var(--bg);
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text);
}

.swim-priority-block.priority-session {
  --tier-color: #78909c;
  --tier-soft: rgba(120, 144, 156, 0.08);
  --tier-softer: rgba(120, 144, 156, 0.04);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: #fafbfd;
  box-shadow: var(--shadow);
}

.swim-priority-block.priority-session[data-priority-tier="critical"] {
  --tier-color: #c62828;
  --tier-soft: rgba(198, 40, 40, 0.1);
  --tier-softer: rgba(198, 40, 40, 0.04);
  border-left: 4px solid var(--tier-color);
}

.swim-priority-block.priority-session[data-priority-tier="urgent"] {
  --tier-color: #f57c00;
  --tier-soft: rgba(245, 124, 0, 0.11);
  --tier-softer: rgba(245, 124, 0, 0.04);
  border-left: 4px solid var(--tier-color);
}

.swim-priority-block.priority-session[data-priority-tier="medium"] {
  --tier-color: #00897b;
  --tier-soft: rgba(0, 137, 123, 0.1);
  --tier-softer: rgba(0, 137, 123, 0.04);
  border-left: 4px solid var(--tier-color);
}

.swim-priority-block.priority-session[data-priority-tier="backlog"] {
  --tier-color: #78909c;
  --tier-soft: rgba(120, 144, 156, 0.11);
  --tier-softer: rgba(120, 144, 156, 0.04);
  border-left: 4px solid var(--tier-color);
}

.swim-priority-block.priority-session[data-priority-tier="next_steps"] {
  --tier-color: #1565c0;
  --tier-soft: rgba(21, 101, 192, 0.1);
  --tier-softer: rgba(21, 101, 192, 0.04);
  border-left: 4px solid var(--tier-color);
}

.swim-label-block.swim-priority-block.priority-session {
  --tier-color: #6a1b9a;
  --tier-soft: rgba(106, 27, 154, 0.1);
  --tier-softer: rgba(106, 27, 154, 0.04);
  border-left: 4px solid var(--tier-color);
}

.swimlane-empty {
  margin: 0;
  padding: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.session-header-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.85rem 0.55rem 0.7rem;
  background: linear-gradient(90deg, var(--tier-soft, rgba(15, 23, 42, 0.04)) 0%, var(--tier-softer, rgba(15, 23, 42, 0.015)) 55%, #ffffff 100%);
  border-bottom: 1px solid var(--border);
}

.session-header-row.session-section-header {
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease, box-shadow 0.15s ease;
}

.session-header-row.session-section-header:hover {
  background: linear-gradient(90deg, var(--tier-soft, rgba(15, 23, 42, 0.08)) 0%, var(--tier-softer, rgba(15, 23, 42, 0.03)) 60%, #ffffff 100%);
}

.session-header-row.session-section-header:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.session-toggle {
  width: 1.4rem;
  height: 1.4rem;
  font-size: 0.62rem;
  border: none;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  transition: background 0.12s ease, color 0.12s ease, transform 0.18s ease;
}

.session-toggle:hover {
  background: rgba(15, 23, 42, 0.08);
  color: var(--text);
}

.session-header-row.session-section-header .session-title-text::before {
  content: "";
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--tier-color, var(--muted));
  margin-right: 0.5rem;
  vertical-align: middle;
  transform: translateY(-1px);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.75);
}

.session-title-text {
  flex: 1;
  min-width: 0;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-count {
  flex-shrink: 0;
  background: var(--tier-color, var(--muted));
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  min-width: 1.6rem;
  text-align: center;
  letter-spacing: 0.02em;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.session-cards {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  transition: background 0.15s, outline 0.15s;
}

.session-cards.drag-over {
  background: #eef6ff;
  outline: 2px dashed var(--drag-outline);
  outline-offset: -3px;
  border-radius: 6px;
}

.swim-priority-block.priority-session.is-collapsed .priority-column-inner {
  display: none;
}

.swim-priority-block.priority-session.is-collapsed .session-collapsed-hint {
  display: block;
}

.swim-priority-block.priority-session.session-drop-target {
  outline: 2px dashed var(--drag-outline);
  outline-offset: -2px;
  background: #eef6ff;
}

.session-collapsed-hint {
  display: none;
  margin: 0;
  padding: 0.4rem 0.65rem;
  font-size: 0.72rem;
  color: var(--muted);
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.swim-cell .empty-hint {
  margin: 0.2rem 0;
}

.empty-hint {
  margin: 0.5rem;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  cursor: grab;
  box-shadow: var(--shadow);
  transition: box-shadow 0.15s, transform 0.1s, background 0.15s ease;
}

/* Status tint (same data in both board views) */
.card[data-status="backlog"] {
  background: #eceff4;
  border-color: #c5cad4;
}

.card[data-status="done"] {
  background: #dcedc8;
  border-color: #9ccc65;
}

.card[data-status="canceled"] {
  background: #f3e5f5;
  border-color: #ce93d8;
}

.card[data-status="in_progress"] {
  background: #e3f2fd;
  border-color: #90caf9;
}

.card[data-status="selected_for_development"] {
  background: #e8eaf6;
  border-color: #9fa8da;
}

.card[data-status="in_review"] {
  background: #fff3e0;
  border-color: #ffb74d;
}

.card[data-status="blocked"] {
  background: #ffebee;
  border-color: #ef9a9a;
}

.card:active {
  cursor: grabbing;
}

.card.dragging {
  opacity: 0.55;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.card-title {
  margin: 0 0 0.45rem 0;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-row {
  font-size: 0.75rem;
  margin-bottom: 0.28rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  align-items: center;
}

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

.chip {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.chip-source {
  background: var(--source-bg);
  color: #243a5e;
}

.chip-front {
  background: var(--front-bg);
  color: var(--front-text);
}

.chip-priority {
  background: #fdecea;
  color: #8b1a1a;
  font-weight: 700;
}

.chip-priority[data-priority="urgent"] {
  background: #fff3e0;
  color: #b35c00;
}

.chip-priority[data-priority="medium"] {
  background: #e0f2f1;
  color: #00695c;
  font-weight: 600;
}

.chip-priority[data-priority="backlog"] {
  background: #eceff4;
  color: var(--muted);
  font-weight: 600;
}

.chip-priority[data-priority="next_steps"] {
  background: #e8f4fd;
  color: #0b5cab;
  font-weight: 600;
}

.chip-status-mini {
  background: #f0f1f4;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.65rem;
}

.btn-add-card-main {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem 0.45rem 0.55rem;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
  color: #fff;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(91, 33, 182, 0.35);
  flex-shrink: 0;
}

.btn-add-card-main:hover {
  filter: brightness(1.08);
}

.btn-add-card-main:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-add-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  font-size: 1.35rem;
  font-weight: 300;
  line-height: 1;
}

.btn-add-card-label {
  padding-right: 0.25rem;
}

.column-title-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
}

.column-toggle {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.column-toggle:hover {
  background: var(--bg);
}

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

.column-title-text {
  margin: 0;
  flex: 1;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.modal-body select {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.875rem;
  background: var(--surface);
  color: var(--text);
}

.clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
  min-width: 0;
}

.card-hint {
  margin-top: 0.4rem;
  font-size: 0.68rem;
  color: var(--accent);
  font-weight: 500;
}

/* --- Compact card mode (default): hide redundant rows, tighter padding ---
 * Priority is already shown by the band header, Status by the column, and
 * the "Click to open..." hint is noise after the first few seconds. Hover
 * the card to see the full metadata in the tooltip, or open it for detail.
 */
.card {
  padding: 0.45rem 0.55rem;
}
.card-title {
  margin: 0 0 0.3rem 0;
  -webkit-line-clamp: 2;
}
.card-row {
  margin-bottom: 0.2rem;
}
.card-row--priority,
.card-row--status,
.card-row--people.is-empty,
.card-row--dod.is-empty,
.card-hint {
  display: none;
}
.card-row--chips {
  gap: 0.3rem;
  margin-bottom: 0.25rem;
}
.card-row--people,
.card-row--dod,
.card-row--dates {
  font-size: 0.7rem;
  margin-bottom: 0.15rem;
}

/* Escape hatch: add class="board-dense-off" on <body> to get the old verbose card */
body.board-dense-off .card { padding: 0.65rem 0.75rem; }
body.board-dense-off .card-title { margin-bottom: 0.45rem; }
body.board-dense-off .card-row { margin-bottom: 0.28rem; }
body.board-dense-off .card-row--priority,
body.board-dense-off .card-row--status,
body.board-dense-off .card-row--people.is-empty,
body.board-dense-off .card-row--dod.is-empty,
body.board-dense-off .card-hint { display: flex; }
body.board-dense-off .card-hint { display: block; }

/* Modal */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-backdrop.open {
  display: flex;
}

.modal {
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid var(--border);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.modal-head {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--border);
}

.modal-head h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
}

.modal-body {
  padding: 1rem 1.1rem;
  overflow-y: auto;
  flex: 1;
}

.modal-body label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0.75rem 0 0.35rem 0;
}

.modal-body label:first-child {
  margin-top: 0;
}

.modal-body input[type="text"] {
  resize: none;
}

.modal-body textarea,
.modal-body input[type="text"] {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.875rem;
  box-sizing: border-box;
}

.modal-body textarea {
  resize: vertical;
  min-height: 100px;
}

.modal-body .links a {
  display: block;
  margin: 0.25rem 0;
  word-break: break-all;
  font-size: 0.85rem;
}

.modal-foot {
  padding: 0.75rem 1.1rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}

button {
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
}

button.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

button.danger {
  color: #b00020;
  border-color: #e8a0a8;
  background: #fff5f5;
}

.error-banner {
  display: none;
  margin: 1rem 1.25rem;
  padding: 0.75rem 1rem;
  background: #fff0f0;
  border: 1px solid #f0b4b4;
  border-radius: 8px;
  color: #8b1a1a;
  font-size: 0.85rem;
}

.error-banner.visible {
  display: block;
}