@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #e8edf2;
  --bg-warm: #eef2f7;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-300: #93c5fd;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.07), 0 1px 3px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.08), 0 4px 10px rgba(0,0,0,.04);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.12), 0 8px 20px rgba(0,0,0,.06);
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --transition: .18s cubic-bezier(.4, 0, .2, 1);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(160deg, var(--bg) 0%, var(--bg-warm) 50%, #dde4ee 100%);
  background-attachment: fixed;
  color: var(--gray-800);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* ─────────────────────────────────────
   Board List View
   ───────────────────────────────────── */

#board-list-view {
  max-width: 960px;
  margin: 0 auto;
  padding: 56px 28px;
}

.app-header {
  margin-bottom: 36px;
  position: relative;
}

.app-header h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--gray-900);
}

.app-header .tagline {
  color: var(--gray-400);
  margin-top: 4px;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
}

#boards-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 22px;
}

.board-tile {
  position: relative;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--gray-800);
  cursor: pointer;
  min-height: 110px;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  overflow: hidden;
}

/* blue accent stripe across the top of each tile */
.board-tile::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.board-tile:nth-child(6n+1)::before { background: var(--blue-500); }
.board-tile:nth-child(6n+2)::before { background: var(--blue-400); }
.board-tile:nth-child(6n+3)::before { background: var(--blue-300); }
.board-tile:nth-child(6n+4)::before { background: var(--blue-600); }
.board-tile:nth-child(6n+5)::before { background: var(--blue-700); }
.board-tile:nth-child(6n+6)::before { background: var(--blue-500); }

.board-tile span {
  position: relative;
  z-index: 1;
}

.board-tile:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-200);
}

.board-tile .delete-board {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  color: var(--gray-400);
  font-size: .95rem;
  cursor: pointer;
  padding: 1px 7px;
  border-radius: 6px;
  opacity: 0;
  transition: all var(--transition);
}

.board-tile:hover .delete-board { opacity: 1; }
.board-tile .delete-board:hover {
  background: #fef2f2;
  border-color: #fecaca;
  color: var(--danger);
}

.board-star {
  position: absolute;
  bottom: 10px;
  right: 10px;
  z-index: 2;
  background: none;
  border: none;
  color: var(--gray-300);
  cursor: pointer;
  padding: 3px;
  border-radius: 4px;
  opacity: 0;
  transition: all var(--transition);
  display: flex;
  align-items: center;
}

.board-tile:hover .board-star,
.board-star.starred {
  opacity: 1;
}

.board-star.starred {
  color: #eab308;
}

.board-star:hover {
  color: #eab308;
  transform: scale(1.15);
}

.board-tile.board-tile-custom-bg .board-star {
  color: rgba(255, 255, 255, .5);
}

.board-tile.board-tile-custom-bg .board-star.starred {
  color: #facc15;
}

.board-tile.board-tile-custom-bg .board-star:hover {
  color: #facc15;
}

.add-board-btn {
  background: var(--white);
  border: 2px dashed var(--gray-300);
  color: var(--gray-400);
  border-radius: var(--radius-lg);
  padding: 14px 26px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.add-board-btn:hover {
  border-color: var(--blue-300);
  color: var(--blue-600);
  background: var(--blue-50);
}

/* ─────────────────────────────────────
   Board View
   ───────────────────────────────────── */

.board-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.back-btn {
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 5px;
}

.back-btn:hover {
  background: var(--gray-200);
  color: var(--gray-800);
}

.board-search-wrap {
  position: relative;
  margin-left: auto;
}
.board-search-wrap .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}
.board-search-input {
  font-family: inherit;
  font-size: .82rem;
  font-weight: 500;
  color: var(--gray-800);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 7px 12px 7px 30px;
  outline: none;
  width: 180px;
  transition: all var(--transition);
}
.board-search-input:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
  width: 240px;
}
.board-search-input::placeholder {
  color: var(--gray-400);
}

.board-header-btn {
  background: var(--gray-100);
  color: var(--gray-500);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 5px;
  position: relative;
  z-index: 1;
}

.board-header-btn:hover {
  background: var(--gray-200);
  color: var(--gray-700);
  border-color: var(--gray-300);
}

.board-header-btn svg {
  flex-shrink: 0;
}

.board-name-bar {
  padding: 12px 24px;
}

#board-title {
  color: var(--gray-800);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -.01em;
  outline: none;
  padding: 3px 8px;
  border: none;
  border-radius: var(--radius-sm);
  background: none;
  transition: all var(--transition);
  display: inline-block;
}

#board-title:hover {
  background: rgba(0, 0, 0, .04);
}

#board-title:focus {
  background: var(--white);
  box-shadow: 0 0 0 2px var(--blue-400);
}

/* ─────────────────────────────────────
   Columns
   ───────────────────────────────────── */

.columns-container {
  display: flex;
  gap: 14px;
  padding: 8px 20px 20px;
  overflow-x: auto;
  align-items: flex-start;
  flex: 1;
  scroll-behavior: smooth;
}

#board-view {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

#board-view.hidden {
  display: none !important;
}

.columns-container::-webkit-scrollbar {
  height: 8px;
}
.columns-container::-webkit-scrollbar-track {
  background: transparent;
}
.columns-container::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 4px;
}
.columns-container::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

.column {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  min-width: 380px;
  max-width: 380px;
  padding: 0;
  display: flex;
  flex-direction: column;
  max-height: calc(100% - 40px);
  box-shadow: var(--shadow);
  transition: opacity var(--transition), transform var(--transition), border-color var(--transition);
}


.column-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--gray-200);
  cursor: grab;
  flex: 0 0 auto;
}

.column-header:active {
  cursor: grabbing;
}

/* spacer pushes count + delete to the right, is all draggable */
.column-header .drag-spacer {
  flex: 1;
  min-height: 20px;
}

.column-header h3 {
  font-size: .8rem;
  font-weight: 700;
  color: var(--gray-500);
  letter-spacing: .06em;
  text-transform: uppercase;
  outline: none;
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: all var(--transition);
  max-width: max-content;
  flex-shrink: 0;
}

.column-header h3:focus {
  background: var(--blue-50);
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
  color: var(--gray-800);
  text-transform: none;
}

.column-header .card-count {
  background: var(--gray-100);
  color: var(--gray-400);
  font-size: .7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  margin-left: 6px;
  flex-shrink: 0;
}

/* column action buttons styled in .col-action-btn section below */

.cards-list {
  flex: 1;
  overflow-y: auto;
  min-height: 60px;
  padding: 8px 8px 20px;
}

/* ─────────────────────────────────────
   Cards
   ───────────────────────────────────── */

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  margin-bottom: 8px;
  box-shadow: var(--shadow-sm);
  cursor: grab;
  font-size: .88rem;
  font-weight: 500;
  line-height: 1.45;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  user-select: none;
  position: relative;
}

.card .card-title-text {
  color: var(--gray-800);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  border-color: var(--blue-200);
}

.card:active {
  cursor: grabbing;
}


.card .card-desc-preview {
  font-size: .78rem;
  color: var(--gray-400);
  margin-top: 6px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Pointer-based drag: floating clones ── */

.drag-clone {
  position: fixed;
  z-index: 1000;
  pointer-events: none;
  transform: rotate(3deg);
  box-shadow: 0 12px 36px rgba(0,0,0,.18), 0 4px 12px rgba(0,0,0,.1);
  opacity: .92;
}

.drag-clone-column {
  position: fixed;
  z-index: 1000;
  pointer-events: none;
  transform: rotate(2deg);
  box-shadow: 0 16px 48px rgba(0,0,0,.2), 0 4px 16px rgba(0,0,0,.1);
  opacity: .88;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ── Pointer-based drag: placeholders ── */

.drag-placeholder {
  background: var(--blue-100);
  border: 2px dashed var(--blue-300);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  transition: height .15s ease;
}

.drag-placeholder-column {
  background: var(--blue-50);
  border: 2px dashed var(--blue-300);
  border-radius: var(--radius-lg);
  min-width: 380px;
  max-width: 380px;
  flex-shrink: 0;
  transition: height .15s ease;
}

/* prevent text selection during drag */
body.is-dragging {
  user-select: none;
  cursor: grabbing !important;
}

body.is-dragging * {
  cursor: grabbing !important;
}

.add-card-btn, .add-column-btn {
  background: none;
  border: none;
  color: var(--gray-400);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: .85rem;
  font-weight: 600;
  text-align: left;
  width: 100%;
  transition: all var(--transition);
  font-family: inherit;
}

.add-card-btn:hover {
  background: var(--blue-50);
  color: var(--blue-600);
}

.add-column-placeholder {
  border: 2px dashed var(--gray-300);
  background: rgba(255,255,255,.35);
  border-radius: var(--radius-lg);
  min-width: 380px;
  max-width: 380px;
  transition: all var(--transition);
}

.add-column-placeholder:hover {
  border-color: var(--blue-300);
  background: var(--blue-50);
}

.add-column-btn:hover {
  color: var(--blue-600);
}

/* ─────────────────────────────────────
   Card Modal
   ───────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .35);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
  z-index: 100;
  animation: fade-in .15s ease-out;
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(16px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  width: 100%;
  max-width: 520px;
  position: relative;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  animation: slide-up .2s ease-out;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--gray-400);
  cursor: pointer;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

.modal label {
  display: block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--gray-400);
  margin-bottom: 5px;
}

#modal-card-title {
  width: 100%;
  font-size: 1.2rem;
  font-weight: 700;
  border: none;
  background: transparent;
  padding: 4px 0;
  margin-bottom: 18px;
  color: var(--gray-900);
  outline: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition);
  font-family: inherit;
}

#modal-card-title:focus {
  border-bottom-color: var(--blue-500);
}

#modal-card-desc {
  width: 100%;
  font-size: .88rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  resize: vertical;
  font-family: inherit;
  background: var(--gray-50);
  margin-bottom: 22px;
  color: var(--gray-800);
  line-height: 1.6;
  transition: all var(--transition);
}

#modal-card-desc:focus {
  outline: none;
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
  background: var(--white);
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.btn-primary {
  background: var(--blue-600);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 9px 22px;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.btn-primary:hover {
  background: var(--blue-700);
  box-shadow: 0 4px 12px rgba(37,99,235,.2);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  padding: 9px 22px;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.btn-danger:hover {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

/* ─────────────────────────────────────
   Scrollbar – cards list
   ───────────────────────────────────── */

.cards-list::-webkit-scrollbar {
  width: 5px;
}
.cards-list::-webkit-scrollbar-track {
  background: transparent;
}
.cards-list::-webkit-scrollbar-thumb {
  background: var(--gray-200);
  border-radius: 3px;
}
.cards-list::-webkit-scrollbar-thumb:hover {
  background: var(--gray-300);
}

/* ─────────────────────────────────────
   Empty state
   ───────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-400);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 14px;
  opacity: .35;
}

.empty-state p {
  font-size: .9rem;
  line-height: 1.7;
}

/* ─────────────────────────────────────
   Prompt & Confirm Dialogs
   ───────────────────────────────────── */

.modal-sm {
  max-width: 400px;
  padding: 24px 28px;
}

.dialog-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
  padding-right: 28px;
}

.dialog-input {
  width: 100%;
  font-size: .92rem;
  font-weight: 500;
  font-family: inherit;
  color: var(--gray-800);
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 20px;
  outline: none;
  transition: all var(--transition);
}

.dialog-input:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}

.dialog-body {
  font-size: .88rem;
  color: var(--gray-500);
  line-height: 1.5;
  margin-bottom: 20px;
}

.btn-ghost {
  background: transparent;
  color: var(--gray-500);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 9px 22px;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--gray-700);
  border-color: var(--gray-300);
}

.btn-xs {
  padding: 5px 14px;
  font-size: .8rem;
}

/* ─────────────────────────────────────
   Card modal – wider for new sections
   ───────────────────────────────────── */

.modal-card {
  max-width: 580px;
  max-height: 85vh;
  overflow-y: auto;
}

/* ─────────────────────────────────────
   Labels – card face
   ───────────────────────────────────── */

.card-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 6px;
}

.card-label-chip {
  display: inline-block;
  height: 8px;
  min-width: 32px;
  border-radius: 4px;
  font-size: 0;
}

.card-label-chip:not(:empty) {
  height: auto;
  padding: 1px 8px;
  font-size: .65rem;
  font-weight: 700;
  color: #fff;
  border-radius: 4px;
  text-shadow: 0 1px 1px rgba(0,0,0,.15);
}

/* ─────────────────────────────────────
   Labels – modal picker
   ───────────────────────────────────── */

.modal-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.label-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px 5px 6px;
  border-radius: 6px;
  border: 2px solid var(--gray-200);
  background: var(--white);
  cursor: pointer;
  font-family: inherit;
  font-size: .78rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: all var(--transition);
}

.label-toggle:hover {
  border-color: var(--gray-300);
}

.label-toggle.active {
  border-color: var(--label-color);
  background: color-mix(in srgb, var(--label-color) 10%, white);
}

.label-swatch {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  flex-shrink: 0;
}

.label-name {
  white-space: nowrap;
}

/* ─────────────────────────────────────
   Due date – card face badges
   ───────────────────────────────────── */

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .7rem;
  font-weight: 600;
  color: var(--gray-500);
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--gray-100);
}

.card-badge svg {
  flex-shrink: 0;
}

.due-badge.due-overdue {
  background: #fef2f2;
  color: var(--danger);
}

.due-badge.due-soon {
  background: #fffbeb;
  color: #d97706;
}

.check-badge.check-complete {
  background: #f0fdf4;
  color: #16a34a;
}

/* ─────────────────────────────────────
   Section headers (labels, due date)
   ───────────────────────────────────── */

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 5px;
}

.section-header label {
  margin-bottom: 0;
}

/* ─────────────────────────────────────
   Due date – modal display & calendar
   ───────────────────────────────────── */

.due-date-display {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 12px;
  background: var(--gray-50);
}

.due-date-display:hover {
  border-color: var(--blue-300);
  background: var(--blue-50);
}

.due-date-display.due-overdue {
  border-color: #fecaca;
  background: #fef2f2;
}

.due-date-display.due-soon {
  border-color: #fde68a;
  background: #fffbeb;
}

.due-date-text {
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-400);
}

.due-date-text.has-date {
  color: var(--gray-700);
}

.due-date-display.due-overdue .due-date-text {
  color: var(--danger);
}

.due-date-display.due-soon .due-date-text {
  color: #d97706;
}

.due-date-clear {
  background: none;
  border: none;
  color: var(--gray-400);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 2px;
  margin-left: 2px;
  transition: color var(--transition);
}
.due-date-clear:hover {
  color: var(--gray-700);
}

/* Calendar picker */

.calendar-picker {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  background: var(--white);
  padding: 14px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.cal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.cal-title {
  font-size: .88rem;
  font-weight: 700;
  color: var(--gray-800);
}

.cal-nav {
  background: none;
  border: 1px solid var(--gray-200);
  color: var(--gray-500);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  font-family: inherit;
}

.cal-nav:hover {
  background: var(--gray-100);
  color: var(--gray-700);
  border-color: var(--gray-300);
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  text-align: center;
}

.cal-day-name {
  font-size: .68rem;
  font-weight: 700;
  color: var(--gray-400);
  text-transform: uppercase;
  padding: 4px 0;
}

.cal-day {
  font-size: .82rem;
  font-weight: 500;
  color: var(--gray-700);
  background: none;
  border: none;
  padding: 6px 2px;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.cal-day.empty {
  cursor: default;
}

.cal-day:not(.empty):hover {
  background: var(--blue-50);
  color: var(--blue-600);
}

.cal-day.today {
  font-weight: 700;
  color: var(--blue-600);
  background: var(--blue-50);
}

.cal-day.selected {
  background: var(--blue-600);
  color: #fff;
  font-weight: 700;
}

.cal-day.selected:hover {
  background: var(--blue-700);
  color: #fff;
}

/* Calendar time picker */

.cal-time-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--gray-200);
}

.cal-time-toggle-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: .78rem;
  font-weight: 600;
  color: var(--gray-500);
  cursor: pointer;
  white-space: nowrap;
  padding: 4px 0;
}

.cal-time-toggle-track {
  display: inline-flex;
  align-items: center;
  width: 32px;
  height: 18px;
  background: var(--gray-300);
  border-radius: 9px;
  padding: 2px;
  transition: background var(--transition);
}

.cal-time-toggle-btn.active .cal-time-toggle-track {
  background: var(--blue-500);
}

.cal-time-toggle-thumb {
  width: 14px;
  height: 14px;
  background: var(--white);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,.15);
  transition: transform var(--transition);
}

.cal-time-toggle-btn.active .cal-time-toggle-thumb {
  transform: translateX(14px);
}

.cal-time-inputs {
  display: flex;
  align-items: center;
  gap: 4px;
}

.cal-time-box {
  width: 32px;
  text-align: center;
  font-family: inherit;
  font-size: .85rem;
  font-weight: 700;
  color: var(--gray-800);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  padding: 5px 2px;
  outline: none;
  transition: all var(--transition);
}

.cal-time-box:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}

.cal-time-colon {
  font-weight: 700;
  color: var(--gray-400);
}

.cal-ampm-btn {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  padding: 5px 8px;
  font-family: inherit;
  font-size: .75rem;
  font-weight: 700;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition);
  margin-left: 2px;
}

.cal-ampm-btn:hover {
  background: var(--blue-50);
  border-color: var(--blue-300);
  color: var(--blue-600);
}

.cal-footer {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
}

/* ─────────────────────────────────────
   Label editor
   ───────────────────────────────────── */

.label-editor {
  padding: 4px 0;
}

.label-edit-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  position: relative;
}

.label-edit-swatch {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition);
}

.label-edit-swatch:hover {
  border-color: var(--gray-400);
  transform: scale(1.1);
}

.label-edit-name {
  flex: 1;
  font-size: .82rem;
  font-weight: 500;
  font-family: inherit;
  color: var(--gray-800);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  padding: 6px 10px;
  outline: none;
  transition: all var(--transition);
}

.label-edit-name:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}

.label-edit-del {
  background: none;
  border: none;
  color: var(--gray-300);
  font-size: .9rem;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  transition: all var(--transition);
  flex-shrink: 0;
}

.label-edit-del:hover {
  background: #fef2f2;
  color: var(--danger);
}

.label-edit-add {
  background: none;
  border: 1px dashed var(--gray-300);
  color: var(--gray-400);
  width: 100%;
  padding: 7px;
  border-radius: 6px;
  cursor: pointer;
  font-size: .8rem;
  font-weight: 600;
  font-family: inherit;
  transition: all var(--transition);
  margin-top: 2px;
}

.label-edit-add:hover {
  border-color: var(--blue-300);
  color: var(--blue-600);
  background: var(--blue-50);
}

.label-color-picker {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  width: 180px;
  margin-top: 4px;
}

.label-color-option {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.label-color-option:hover {
  transform: scale(1.15);
  border-color: var(--gray-400);
}

.label-color-option.active {
  border-color: var(--gray-800);
  box-shadow: 0 0 0 2px var(--white), 0 0 0 4px var(--gray-400);
}

/* ─────────────────────────────────────
   Checklist – modal
   ───────────────────────────────────── */

.modal-checklist {
  margin-bottom: 8px;
}

.checklist-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.checklist-progress-label {
  font-size: .7rem;
  font-weight: 700;
  color: var(--gray-400);
  min-width: 28px;
}

.checklist-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--gray-200);
  border-radius: 3px;
  overflow: hidden;
}

.checklist-progress-fill {
  height: 100%;
  background: var(--blue-500);
  border-radius: 3px;
  transition: width .25s ease, background .25s ease;
}

.checklist-progress-fill.complete {
  background: #16a34a;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 4px;
  border-radius: 6px;
  transition: background var(--transition);
}

.checklist-item:hover {
  background: var(--gray-50);
}

.checklist-cb {
  width: 16px;
  height: 16px;
  accent-color: var(--blue-600);
  cursor: pointer;
  flex-shrink: 0;
}

.checklist-text {
  flex: 1;
  font-size: .85rem;
  color: var(--gray-800);
}

.checklist-text.done {
  text-decoration: line-through;
  color: var(--gray-400);
}

.checklist-del {
  background: none;
  border: none;
  color: var(--gray-300);
  font-size: .85rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  opacity: 0;
  transition: all var(--transition);
}

.checklist-item:hover .checklist-del {
  opacity: 1;
}

.checklist-del:hover {
  background: #fef2f2;
  color: var(--danger);
}

.checklist-grip {
  cursor: grab;
  color: var(--gray-300);
  font-size: .7rem;
  letter-spacing: -3px;
  padding: 0 2px;
  flex-shrink: 0;
  user-select: none;
  transition: color var(--transition);
}

.checklist-item:hover .checklist-grip {
  color: var(--gray-500);
}

.checklist-grip:active {
  cursor: grabbing;
}

.checklist-drag-clone {
  position: fixed;
  z-index: 1000;
  pointer-events: none;
  background: var(--white);
  border: 1px solid var(--blue-300);
  border-radius: 6px;
  box-shadow: var(--shadow-md);
  opacity: .92;
  padding: 6px 4px;
}

.checklist-drag-placeholder {
  background: var(--blue-50);
  border: 2px dashed var(--blue-200);
  border-radius: 6px;
  margin: 2px 0;
}

.checklist-add-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
}

.checklist-input {
  flex: 1;
  margin-bottom: 0;
  padding: 7px 12px;
  font-size: .85rem;
}

/* ─────────────────────────────────────
   Inline card creation
   ───────────────────────────────────── */

.inline-add-card {
  padding: 0 8px 8px;
}

.inline-add-area {
  padding: 0;
}

.inline-add-textarea {
  width: 100%;
  font-family: inherit;
  font-size: .88rem;
  font-weight: 500;
  color: var(--gray-800);
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  resize: none;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  margin-bottom: 6px;
}

.inline-add-textarea:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}

.inline-add-actions {
  display: flex;
  gap: 6px;
}

/* ─────────────────────────────────────
   Filter Bar
   ───────────────────────────────────── */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 8px 20px;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  animation: slide-down .15s ease-out;
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-group-label {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--gray-400);
  margin-right: 2px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  font-family: inherit;
  font-size: .75rem;
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-chip:hover {
  border-color: var(--gray-300);
  background: var(--gray-50);
}

.filter-chip.active {
  border-color: var(--chip-color, var(--blue-400));
  background: color-mix(in srgb, var(--chip-color, var(--blue-400)) 12%, white);
  color: var(--gray-800);
}

.filter-chip-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.filter-chip-overdue.active {
  border-color: var(--danger);
  background: #fef2f2;
  color: var(--danger);
}

.filter-chip-soon.active {
  border-color: #d97706;
  background: #fffbeb;
  color: #d97706;
}

.filter-clear {
  background: none;
  border: none;
  font-family: inherit;
  font-size: .75rem;
  font-weight: 600;
  color: var(--blue-600);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all var(--transition);
  margin-left: auto;
}

.filter-clear:hover {
  background: var(--blue-50);
}

/* Filtered-out cards */
.card.filtered-out {
  opacity: .15;
  pointer-events: none;
  transform: none !important;
}

/* ─────────────────────────────────────
   Board Background Picker
   ───────────────────────────────────── */

.bg-picker {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.bg-option {
  height: 56px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 4px;
}

.bg-option:hover {
  transform: scale(1.05);
  border-color: var(--gray-400);
}

.bg-option.active {
  border-color: var(--blue-600);
  box-shadow: 0 0 0 2px var(--white), 0 0 0 4px var(--blue-400);
}

.bg-option-label {
  font-size: .65rem;
  font-weight: 700;
  color: rgba(255,255,255,.9);
  text-shadow: 0 1px 3px rgba(0,0,0,.4);
}

/* Board tiles with custom backgrounds */
.board-tile.board-tile-custom-bg {
  border-color: transparent;
}

.board-tile.board-tile-custom-bg span {
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,.3);
}

.board-tile.board-tile-custom-bg::before {
  display: none;
}

.board-tile.board-tile-custom-bg .delete-board {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.3);
  color: rgba(255,255,255,.8);
}

.board-tile.board-tile-custom-bg .delete-board:hover {
  background: rgba(255,255,255,.9);
  color: var(--danger);
}

/* ─────────────────────────────────────
   Column action buttons (copy, delete)
   ───────────────────────────────────── */

.col-action-btn {
  background: none;
  border: none;
  color: var(--gray-300);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 6px;
  font-size: .85rem;
  transition: all var(--transition);
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.col-action-btn:hover {
  background: var(--blue-50);
  color: var(--blue-600);
}

.col-del-btn:hover {
  background: #fef2f2;
  color: var(--danger);
}

.col-sort-wrap {
  position: relative;
  flex-shrink: 0;
}

.col-sort-menu {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 20;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 4px;
  min-width: 170px;
  margin-top: 4px;
}

.col-sort-option {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font-family: inherit;
  font-size: .78rem;
  font-weight: 500;
  color: var(--gray-600);
  padding: 7px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
}

.col-sort-option:hover {
  background: var(--blue-50);
  color: var(--blue-600);
}

/* ─────────────────────────────────────
   Archive Modal
   ───────────────────────────────────── */

.modal-archive {
  max-width: 580px;
  max-height: 80vh;
  overflow-y: auto;
  padding: 32px 36px;
}

.archive-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.archive-empty {
  text-align: center;
  color: var(--gray-400);
  font-size: .85rem;
  padding: 32px 0;
}

.archive-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  cursor: pointer;
  transition: all var(--transition);
}

.archive-card:hover {
  border-color: var(--blue-200);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.archive-card-title {
  font-size: .88rem;
  font-weight: 600;
  color: var(--gray-800);
  line-height: 1.4;
}

.archive-card-meta {
  font-size: .72rem;
  font-weight: 600;
  color: var(--gray-400);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ─────────────────────────────────────
   Dark Board Background Theme
   ───────────────────────────────────── */

.board-dark .board-header {
  background: rgba(0, 0, 0, .35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgba(255, 255, 255, .1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .2);
}

.board-dark .board-name-bar {
  /* transparent — board background shows through */
}

.board-dark #board-title {
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, .3);
}

.board-dark #board-title:hover {
  background: rgba(255, 255, 255, .1);
}

.board-dark #board-title:focus {
  background: rgba(255, 255, 255, .15);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, .4);
  text-shadow: none;
}

.board-dark .back-btn {
  background: rgba(255, 255, 255, .15);
  color: rgba(255, 255, 255, .9);
  border-color: rgba(255, 255, 255, .2);
}

.board-dark .back-btn:hover {
  background: rgba(255, 255, 255, .25);
  color: #fff;
}

.board-dark .board-search-input {
  background: rgba(255, 255, 255, .15);
  color: rgba(255, 255, 255, .9);
  border-color: rgba(255, 255, 255, .2);
}
.board-dark .board-search-input::placeholder {
  color: rgba(255, 255, 255, .5);
}
.board-dark .board-search-input:focus {
  background: rgba(255, 255, 255, .2);
  border-color: rgba(255, 255, 255, .4);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, .1);
}
.board-dark .board-search-wrap .search-icon {
  color: rgba(255, 255, 255, .5);
}

.board-dark .board-header-btn {
  background: rgba(255, 255, 255, .15);
  color: rgba(255, 255, 255, .9);
  border-color: rgba(255, 255, 255, .2);
}

.board-dark .board-header-btn:hover {
  background: rgba(255, 255, 255, .25);
  color: #fff;
  border-color: rgba(255, 255, 255, .3);
}

.board-dark .filter-bar {
  background: rgba(0, 0, 0, .3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgba(255, 255, 255, .1);
}

.board-dark .filter-group-label {
  color: rgba(255, 255, 255, .6);
}

.board-dark .filter-chip {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .2);
  color: rgba(255, 255, 255, .85);
}

.board-dark .filter-chip:hover {
  background: rgba(255, 255, 255, .2);
  border-color: rgba(255, 255, 255, .3);
}

.board-dark .filter-chip.active {
  background: rgba(255, 255, 255, .2);
  border-color: rgba(255, 255, 255, .4);
  color: #fff;
}

.board-dark .filter-chip-overdue.active {
  background: rgba(239, 68, 68, .25);
  border-color: rgba(239, 68, 68, .5);
  color: #fca5a5;
}

.board-dark .filter-chip-soon.active {
  background: rgba(217, 119, 6, .25);
  border-color: rgba(217, 119, 6, .5);
  color: #fcd34d;
}

.board-dark .filter-clear {
  color: rgba(255, 255, 255, .7);
}

.board-dark .filter-clear:hover {
  background: rgba(255, 255, 255, .1);
}

.board-dark .add-column-placeholder {
  border-color: rgba(255, 255, 255, .25);
  background: rgba(255, 255, 255, .08);
}

.board-dark .add-column-placeholder:hover {
  border-color: rgba(255, 255, 255, .4);
  background: rgba(255, 255, 255, .15);
}

.board-dark .add-column-btn {
  color: rgba(255, 255, 255, .6);
}

.board-dark .add-column-btn:hover {
  color: #fff;
}

/* ─────────────────────────────────────
   Global Search
   ───────────────────────────────────── */

.search-bar {
  position: relative;
  margin-bottom: 20px;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}

.search-input {
  width: 100%;
  font-family: inherit;
  font-size: .88rem;
  font-weight: 500;
  color: var(--gray-800);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 10px 14px 10px 38px;
  outline: none;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.search-input:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}

.search-results {
  margin-bottom: 20px;
}

.search-empty {
  text-align: center;
  color: var(--gray-400);
  font-size: .85rem;
  padding: 16px 0;
}

.search-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  cursor: pointer;
  transition: all var(--transition);
}

.search-result:hover {
  border-color: var(--blue-200);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.search-result-title {
  font-size: .88rem;
  font-weight: 600;
  color: var(--gray-800);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-result-meta {
  font-size: .72rem;
  font-weight: 600;
  color: var(--gray-400);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ─────────────────────────────────────
   Quick Edit Popover
   ───────────────────────────────────── */

.card-quick-edit {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  color: var(--gray-400);
  width: 26px;
  height: 26px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition);
  z-index: 2;
}

.card:hover .card-quick-edit {
  opacity: 1;
}

.card-quick-edit:hover {
  background: var(--blue-50);
  border-color: var(--blue-300);
  color: var(--blue-600);
}

.quick-edit-popover {
  z-index: 200;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 10px;
}

.quick-edit-title {
  width: 100%;
  font-family: inherit;
  font-size: .88rem;
  font-weight: 600;
  color: var(--gray-800);
  border: 1px solid var(--blue-400);
  border-radius: 6px;
  padding: 8px 10px;
  outline: none;
  margin-bottom: 8px;
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}

.quick-edit-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
}

.quick-edit-labels .label-toggle {
  padding: 3px 8px 3px 4px;
  font-size: .7rem;
}

.quick-edit-labels .label-swatch {
  width: 14px;
  height: 14px;
}

.quick-edit-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

/* ─────────────────────────────────────
   Card Move (in modal)
   ───────────────────────────────────── */

.modal-move-wrap {
  margin-bottom: 18px;
  padding: 12px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
}

.modal-move-selects {
  display: flex;
  gap: 8px;
  align-items: center;
}

.custom-select {
  position: relative;
  flex: 1;
}

.custom-select-btn {
  width: 100%;
  text-align: left;
  font-family: inherit;
  font-size: .82rem;
  font-weight: 600;
  color: var(--gray-700);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  padding: 7px 28px 7px 10px;
  cursor: pointer;
  transition: all var(--transition);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  position: relative;
}

.custom-select-btn::after {
  content: '';
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--gray-400);
}

.custom-select-btn:hover {
  border-color: var(--gray-300);
  background: var(--gray-50);
}

.custom-select-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 30;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  box-shadow: var(--shadow-md);
  padding: 4px;
  margin-top: 4px;
  max-height: 180px;
  overflow-y: auto;
}

.custom-select-option {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font-family: inherit;
  font-size: .8rem;
  font-weight: 500;
  color: var(--gray-600);
  padding: 7px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
}

.custom-select-option:hover {
  background: var(--blue-50);
  color: var(--blue-600);
}

.custom-select-option.active {
  background: var(--blue-50);
  color: var(--blue-600);
  font-weight: 700;
}

/* ─────────────────────────────────────
   Toast Notifications
   ───────────────────────────────────── */

.toast-container {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--gray-800);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: .85rem;
  font-weight: 500;
  pointer-events: auto;
  animation: toast-in .25s ease-out;
  white-space: nowrap;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.toast-exit {
  animation: toast-out .3s ease-in forwards;
}

@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(12px); }
}

.toast-message {
  flex: 1;
}

.toast-undo {
  background: none;
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  font-family: inherit;
  font-size: .78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
}

.toast-undo:hover {
  background: rgba(255,255,255,.15);
  border-color: rgba(255,255,255,.5);
}

.toast-close {
  background: none;
  border: none;
  color: rgba(255,255,255,.5);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0 2px;
  transition: color var(--transition);
}

.toast-close:hover {
  color: #fff;
}

/* ─────────────────────────────────────
   Markdown rendered content
   ───────────────────────────────────── */

.card-desc-preview strong {
  font-weight: 700;
}

.card-desc-preview em {
  font-style: italic;
}

.card-desc-preview .md-code {
  background: var(--gray-100);
  padding: 1px 4px;
  border-radius: 3px;
  font-family: 'SF Mono', Menlo, monospace;
  font-size: .78rem;
}

.card-desc-preview .md-link {
  color: var(--blue-600);
  text-decoration: underline;
}

.card-desc-preview .md-code-block {
  background: var(--gray-100);
  padding: 6px 8px;
  border-radius: 4px;
  font-family: 'SF Mono', Menlo, monospace;
  font-size: .75rem;
  overflow-x: auto;
  margin: 4px 0;
}

/* ── Keyboard Shortcuts Button ── */
.shortcuts-btn {
  position: fixed;
  bottom: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--gray-200);
  background: #fff;
  color: var(--gray-500);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.1);
  transition: background .15s, color .15s, box-shadow .15s;
  z-index: 100;
}
.shortcuts-btn:hover {
  background: var(--gray-50);
  color: var(--gray-700);
  box-shadow: 0 2px 12px rgba(0,0,0,.15);
}

/* ── Keyboard Shortcuts Modal ── */
.modal-shortcuts {
  max-width: 380px;
  width: 90%;
}
.shortcuts-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}
.shortcut-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.shortcut-row kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 26px;
  padding: 0 8px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 5px;
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  font-size: .8rem;
  font-weight: 500;
  color: var(--gray-700);
  box-shadow: 0 1px 0 var(--gray-300);
}
.shortcut-row span {
  font-size: .875rem;
  color: var(--gray-600);
}
.shortcuts-group-heading {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--gray-400);
  margin-top: 8px;
}
.shortcuts-group-heading:first-child {
  margin-top: 0;
}

/* ── Card Cover ── */
.card-cover {
  height: 32px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  margin: -10px -12px 8px -12px;
}
.modal-cover-picker {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.cover-swatch {
  width: 40px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.cover-swatch:hover {
  transform: scale(1.1);
}
.cover-swatch.active {
  border-color: var(--gray-800);
  box-shadow: 0 0 0 2px var(--white), 0 0 0 4px var(--gray-400);
}

/* ── Activity / Comments ── */
.comment-input-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-bottom: 12px;
}
.comment-input {
  flex: 1;
  font-family: inherit;
  font-size: .85rem;
  color: var(--gray-800);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  outline: none;
  resize: vertical;
  min-height: 36px;
  transition: border-color var(--transition);
}
.comment-input:focus {
  border-color: var(--blue-400);
}
.modal-activity {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
}
.activity-empty {
  font-size: .82rem;
  color: var(--gray-400);
  text-align: center;
  padding: 8px 0;
}
.activity-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.activity-icon {
  flex-shrink: 0;
  color: var(--gray-400);
  margin-top: 2px;
}
.activity-content {
  flex: 1;
  min-width: 0;
  position: relative;
}
.activity-comment .activity-content {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}
.activity-text {
  font-size: .82rem;
  color: var(--gray-700);
  display: block;
  word-wrap: break-word;
}
.activity-log .activity-text {
  font-size: .78rem;
  color: var(--gray-400);
  font-style: italic;
}
.activity-time {
  font-size: .72rem;
  color: var(--gray-400);
  margin-top: 3px;
  display: block;
}
.activity-del {
  position: absolute;
  top: 4px;
  right: 6px;
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  opacity: 0;
  transition: opacity var(--transition);
}
.activity-comment:hover .activity-del {
  opacity: 1;
}
.activity-del:hover {
  color: var(--red-500);
}

/* ── Multi-Checklist ── */
.modal-checklists {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.checklist-section {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 12px;
  background: var(--gray-50);
}
.checklist-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.checklist-name-input {
  flex: 1;
  font-family: inherit;
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-800);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  outline: none;
  transition: all var(--transition);
}
.checklist-name-input:hover {
  border-color: var(--gray-200);
}
.checklist-name-input:focus {
  background: var(--white);
  border-color: var(--blue-400);
}
.checklist-del-btn {
  flex-shrink: 0;
}
.checklist-items {
  display: flex;
  flex-direction: column;
}
.checklist-text-wrap {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.checklist-item-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}
.checklist-due-btn {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: 2px;
  border-radius: var(--radius-sm);
  opacity: 0;
  transition: all var(--transition);
}
.checklist-item:hover .checklist-due-btn {
  opacity: 1;
}
.checklist-due-btn:hover {
  color: var(--blue-500);
}
.checklist-due-badge {
  font-size: .7rem;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: 3px;
  background: var(--gray-200);
  color: var(--gray-600);
  white-space: nowrap;
  flex-shrink: 0;
}
.checklist-due-badge.due-overdue {
  background: #fecaca;
  color: #b91c1c;
}
.checklist-due-badge.due-soon {
  background: #fef3c7;
  color: #92400e;
}
.checklist-due-input {
  font-family: inherit;
  font-size: .78rem;
  border: 1px solid var(--blue-400);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  outline: none;
}
.comment-badge {
  color: var(--gray-500);
}

/* ── Card Badge: Comment ── */
.card-badge.comment-badge {
  color: var(--gray-500);
  background: var(--gray-100);
}

/* ── Auth Overlay ── */
.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--bg) 0%, var(--bg-warm) 50%, #dde4ee 100%);
}
.auth-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 40px 36px 32px;
  width: 100%;
  max-width: 380px;
  text-align: center;
}
.auth-logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--blue-600);
  margin-bottom: 6px;
  letter-spacing: -.03em;
}
.auth-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 24px;
}
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.auth-input {
  font-family: inherit;
  font-size: .9rem;
  padding: 10px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}
.auth-input:focus {
  border-color: var(--blue-400);
}
.auth-submit {
  padding: 10px 0;
  font-size: .9rem;
  margin-top: 4px;
  width: 100%;
  border: none;
  cursor: pointer;
}
.auth-error {
  color: var(--danger);
  font-size: .82rem;
  min-height: 1.2em;
  margin: 0;
}
.auth-toggle {
  font-size: .82rem;
  color: var(--gray-500);
  margin-top: 18px;
}
.auth-toggle a {
  color: var(--blue-500);
  text-decoration: none;
  font-weight: 500;
}
.auth-toggle a:hover {
  text-decoration: underline;
}
.auth-logout-btn {
  position: absolute;
  right: 24px;
  top: 24px;
  background: none;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  cursor: pointer;
  color: var(--gray-500);
  transition: color var(--transition), border-color var(--transition);
}
.auth-logout-btn:hover {
  color: var(--gray-700);
  border-color: var(--gray-400);
}