.shared-task-board {
  --tb-bg: var(--tf-bg, var(--bg-muted, #e8edf5));
  --tb-surface: var(--tf-surface, var(--bg, #f6f8fc));
  --tb-surface-2: var(--tf-surface-2, var(--bg-elevated, #dfe6f0));
  --tb-surface-3: var(--tf-surface-3, var(--bg-subtle, #eef3f8));
  --tb-border: var(--tf-border, var(--border, rgba(37, 99, 235, .16)));
  --tb-border-strong: var(--tf-border-strong, var(--border-strong, rgba(37, 99, 235, .28)));
  --tb-text: var(--tf-text, var(--text, #172033));
  --tb-text-muted: var(--tf-text-muted, var(--text-muted, #48566d));
  --tb-text-faint: var(--tf-text-faint, var(--text-faint, #7c8aa2));
  --tb-accent: var(--tf-accent, var(--accent, #2563eb));
  --tb-accent-soft: var(--tf-accent-soft, var(--accent-light, #e8efff));
  color: var(--tb-text);
}

.shared-task-board__canvas {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: .75rem;
}

.shared-task-board .dashboard-project-section {
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--tb-accent) 10%, var(--tb-border-strong));
  border-radius: 18px;
  background: color-mix(in srgb, var(--tb-surface) 88%, var(--tb-bg));
  box-shadow: 0 16px 30px rgba(15, 23, 42, .08);
}

.shared-task-board .dashboard-project-section.is-scoped {
  border-color: color-mix(in srgb, var(--tb-accent) 32%, var(--tb-border-strong));
  box-shadow: 0 20px 36px rgba(37, 99, 235, .12);
}

.shared-task-board .dashboard-project-section__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .85rem;
  padding: .7rem .9rem .6rem;
  background: linear-gradient(180deg, color-mix(in srgb, var(--tb-surface-3) 88%, var(--tb-bg)), color-mix(in srgb, var(--tb-surface) 78%, var(--tb-bg)));
  border-bottom: 1px solid var(--tb-border);
}

.shared-task-board .dashboard-project-section__name-wrap {
  min-width: 0;
  display: grid;
  gap: .3rem;
}

.shared-task-board .dashboard-project-section__name {
  margin: 0;
  padding-left: .82rem;
  border-left: 4px solid var(--tb-accent);
  color: var(--tb-text);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
}

.shared-task-board .dashboard-project-section__description {
  margin: 0;
  color: var(--tb-text-faint);
  font-size: .8rem;
  line-height: 1.55;
}

.shared-task-board .dashboard-project-section__summary {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-top: .3rem;
}

.shared-task-board .dashboard-project-section__summary-item {
  display: grid;
  gap: .02rem;
  min-width: 64px;
  padding: .3rem .5rem;
  border: 1px solid var(--tb-border);
  border-radius: 9px;
  background: color-mix(in srgb, var(--tb-surface) 88%, var(--tb-bg));
}

.shared-task-board .dashboard-project-section__summary-item strong {
  color: var(--tb-text);
  font-size: .88rem;
  line-height: 1;
}

.shared-task-board .dashboard-project-section__summary-item small {
  color: var(--tb-text-faint);
  font-size: .64rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.shared-task-board .dashboard-project-section__actions {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-shrink: 0;
}

.shared-task-board .dashboard-project-section__btn {
  min-height: 31px;
  padding: .35rem .72rem;
  border: 1px solid var(--tb-border-strong);
  border-radius: 9px;
  background: color-mix(in srgb, var(--tb-surface) 84%, var(--tb-bg));
  color: var(--tb-text-muted);
  cursor: pointer;
  font-size: .72rem;
  white-space: nowrap;
}

.shared-task-board .dashboard-project-section__btn:hover {
  border-color: var(--tb-accent);
  background: var(--tb-accent-soft);
  color: var(--tb-accent);
}

.shared-task-board .dashboard-project-section__btn--remove {
  border-color: color-mix(in srgb, var(--error, #dc3545) 30%, transparent);
  color: var(--error, #dc3545);
}

.shared-task-board .dashboard-project-section__member-badge,
.shared-task-board .dashboard-project-section__scope {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: .5rem;
  padding: .22rem .58rem;
  border: 1px solid color-mix(in srgb, var(--tb-accent) 24%, transparent);
  border-radius: 999px;
  background: var(--tb-accent-soft);
  color: var(--tb-accent);
  font-size: .66rem;
  font-weight: 700;
}

.shared-task-board .dashboard-project-section__member-avatars,
.shared-task-board .dashboard-task-card__avatar-stack {
  display: inline-flex;
  align-items: center;
}

.shared-task-board .dashboard-project-section__member-avatar,
.shared-task-board .dashboard-task-card__avatar {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  overflow: hidden;
  border: 2px solid var(--tb-surface);
  border-radius: 999px;
  background: var(--tb-accent);
  color: #fff;
  font-size: .6rem;
  font-weight: 800;
}

.shared-task-board .dashboard-project-section__member-avatar {
  width: 22px;
  height: 22px;
  margin-left: -5px;
}

.shared-task-board .dashboard-project-section__member-avatar:first-child,
.shared-task-board .dashboard-task-card__avatar-stack .dashboard-task-card__avatar:first-child {
  margin-left: 0;
}

.shared-task-board .dashboard-project-section__member-avatar img,
.shared-task-board .dashboard-task-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.shared-task-board .project-task-boards {
  display: flex;
  flex-direction: column;
  gap: .65rem;
  padding: .65rem .8rem .8rem;
}

.shared-task-board .project-task-board {
  overflow: hidden;
  border: 1px solid var(--tb-border);
  border-radius: 18px;
  background: color-mix(in srgb, var(--tb-surface) 84%, var(--tb-bg));
  box-shadow: 0 14px 28px rgba(15, 23, 42, .08);
}

.shared-task-board .project-task-board__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .55rem .8rem;
  border-bottom: 1px solid var(--tb-border);
  background: linear-gradient(90deg, color-mix(in srgb, var(--project-board-color, var(--tb-accent)) 16%, var(--tb-surface-3)), var(--tb-surface));
}

.shared-task-board .project-task-board__toggle,
.shared-task-board .project-task-board__title-wrap,
.shared-task-board .project-task-board__actions,
.shared-task-board .project-task-board__auto-shift {
  display: flex;
  align-items: center;
}

.shared-task-board .project-task-board__toggle {
  min-width: 0;
  flex: 1;
  gap: .5rem;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.shared-task-board .project-task-board__toggle:focus-visible {
  outline: 2px solid var(--tb-accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.shared-task-board .project-task-board__title-wrap {
  min-width: 0;
  gap: .55rem;
}

.shared-task-board .project-task-board__dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 999px;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--project-board-color, var(--tb-accent)) 16%, transparent);
}

.shared-task-board .project-task-board__title {
  color: var(--tb-text);
  font-size: .84rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.shared-task-board .project-task-board__meta {
  color: var(--tb-text-faint);
  font-size: .7rem;
  font-weight: 700;
  white-space: nowrap;
}

.shared-task-board .project-task-board__actions {
  flex: 0 0 auto;
  gap: .5rem;
}

.shared-task-board .project-task-board__auto-shift {
  position: relative;
  gap: .42rem;
  min-height: 28px;
  padding: .25rem .55rem;
  border: 1px solid var(--tb-border-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--tb-surface) 88%, var(--tb-bg));
  color: var(--tb-text-faint);
  font-size: .68rem;
  font-weight: 750;
  white-space: nowrap;
}

.shared-task-board label.project-task-board__auto-shift { cursor: pointer; }
.shared-task-board .project-task-board__auto-shift.is-enabled { color: var(--tb-accent); }
.shared-task-board .project-task-board__auto-shift.is-warning { color: var(--warning, #d97706); }
.shared-task-board .project-task-board__auto-shift input { position: absolute; width: 1px; height: 1px; opacity: 0; }

.shared-task-board .project-task-board__switch {
  position: relative;
  width: 26px;
  height: 15px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--tb-border-strong);
}

.shared-task-board .project-task-board__switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: var(--tb-surface);
  box-shadow: 0 1px 3px rgba(15, 23, 42, .25);
  transition: transform .16s ease;
}

.shared-task-board .project-task-board__auto-shift input:checked + .project-task-board__switch { background: var(--tb-accent); }
.shared-task-board .project-task-board__auto-shift input:checked + .project-task-board__switch::after { transform: translateX(11px); }

.shared-task-board .project-task-board__chevron {
  position: relative;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.shared-task-board .project-task-board__chevron::before {
  content: "";
  position: absolute;
  inset: 0;
  width: 8px;
  height: 8px;
  margin: auto;
  border-right: 2px solid var(--tb-text-faint);
  border-bottom: 2px solid var(--tb-text-faint);
  transform: translateY(-2px) rotate(45deg);
  transition: transform .15s ease;
}

.shared-task-board .project-task-board.is-collapsed .project-task-board__chevron::before { transform: translateY(-3px) rotate(-45deg); }
.shared-task-board .project-task-board.is-collapsed .project-task-board__columns { display: none; }
.shared-task-board .project-task-board.is-collapsed .project-task-board__header { border-bottom: 0; }

.shared-task-board .project-task-board__empty {
  margin: 0;
  padding: 1rem;
  color: var(--tb-text-faint);
  font-size: .82rem;
}

.shared-task-board .dashboard-board-scroll {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  min-height: 0;
  padding: .45rem .8rem .8rem;
  overflow-x: auto;
  overflow-y: hidden;
  background: transparent;
  scroll-snap-type: x proximity;
}

.shared-task-board .dashboard-board-column {
  display: flex;
  flex: 0 0 264px;
  flex-direction: column;
  width: min(82vw, 264px);
  max-width: 264px;
  max-height: 420px;
  overflow: hidden;
  border: 1px solid var(--tb-border-strong);
  border-top: 3px solid var(--col-color, var(--tb-accent));
  border-radius: 14px;
  background: color-mix(in srgb, var(--tb-surface-2) 86%, var(--tb-bg));
  box-shadow: 0 10px 24px rgba(15, 23, 42, .10), 0 1px 4px rgba(15, 23, 42, .06);
  scroll-snap-align: start;
}

.shared-task-board .dashboard-board-column__header {
  display: flex;
  align-items: center;
  gap: .45rem;
  min-height: 38px;
  padding: .5rem .65rem .42rem;
  border-bottom: 1px solid var(--tb-border);
  background: color-mix(in srgb, var(--tb-surface-3) 74%, var(--tb-surface-2));
}

.shared-task-board .dashboard-board-column__dot { width: 8px; height: 8px; border-radius: 999px; }
.shared-task-board .dashboard-board-column__header h3 { flex: 1; margin: 0; color: var(--tb-text); font-size: .75rem; letter-spacing: .065em; text-transform: uppercase; }
.shared-task-board .dashboard-board-column__count { padding: .1rem .4rem; border: 1px solid var(--tb-border); border-radius: 999px; color: var(--tb-text-faint); font-size: .68rem; }

.shared-task-board .dashboard-board-column__cards {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 8px;
  min-height: 48px;
  padding: 8px;
  overflow-y: auto;
  background: color-mix(in srgb, var(--tb-surface-2) 82%, var(--tb-bg));
}

.shared-task-board .dashboard-board-column__cards.drag-target { background: color-mix(in srgb, var(--tb-accent-soft) 82%, transparent); }
.shared-task-board .dashboard-board-column__empty { margin: 0; padding: 1rem .5rem; color: var(--tb-text-faint); font-size: .78rem; }

.shared-task-board .dashboard-board-column__add {
  min-height: 34px;
  margin: 0 7px 7px;
  border: 1px solid var(--tb-border-strong);
  border-radius: 8px;
  background: color-mix(in srgb, var(--tb-surface-3) 72%, transparent);
  color: var(--tb-text-faint);
  cursor: pointer;
  font-size: .76rem;
}

.shared-task-board .dashboard-board-column__add:hover { border-color: var(--tb-accent); background: var(--tb-accent-soft); color: var(--tb-accent); }
.shared-task-board .dashboard-task-wrap { padding: 0; }

.shared-task-board .dashboard-task-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 12px 12px 11px;
  border: 1px solid var(--tb-border);
  border-radius: 12px;
  background: linear-gradient(180deg, var(--tb-surface), color-mix(in srgb, var(--tb-surface) 72%, var(--tb-surface-3)));
  color: var(--tb-text);
  box-shadow: 0 3px 8px rgba(15, 23, 42, .05);
  cursor: pointer;
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease;
}

.shared-task-board .dashboard-task-card:hover,
.shared-task-board .dashboard-task-card:focus-visible { border-color: var(--tb-border-strong); box-shadow: 0 10px 24px rgba(15, 23, 42, .12); transform: translateY(-2px); }
.shared-task-board .dashboard-task-card.dragging { opacity: .18; transform: scale(.97); }
.shared-task-board .dashboard-task-card--ghost { position: fixed; z-index: 9999; pointer-events: none; opacity: .92; }
.shared-task-board .dashboard-task-card--locked { box-shadow: 0 0 0 1px rgba(37,99,235,.18), 0 18px 40px rgba(37,99,235,.08); }

.shared-task-board .dashboard-task-card__actions {
  position: absolute;
  top: 7px;
  right: 7px;
  display: flex;
  gap: 4px;
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity .14s ease, transform .14s ease;
}

.shared-task-board .dashboard-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  min-height: 24px;
  padding: .1rem .35rem;
  border: 1px solid var(--tb-border);
  border-radius: 7px;
  background: color-mix(in srgb, var(--tb-surface) 72%, var(--tb-surface-2));
  color: var(--tb-text-muted);
  cursor: pointer;
  font-size: .66rem;
  font-weight: 700;
}

.shared-task-board .dashboard-icon-button:hover,
.shared-task-board .dashboard-icon-button:focus-visible {
  border-color: var(--tb-accent);
  background: var(--tb-accent-soft);
  color: var(--tb-accent);
}

.shared-task-board .dashboard-icon-button--danger:hover,
.shared-task-board .dashboard-icon-button--danger:focus-visible {
  border-color: var(--error, #dc2626);
  background: var(--error-bg, #fff0f0);
  color: var(--error, #dc2626);
}

.shared-task-board .dashboard-task-card:hover .dashboard-task-card__actions,
.shared-task-board .dashboard-task-card:focus-within .dashboard-task-card__actions { opacity: 1; transform: translateY(0); }
.shared-task-board .dashboard-task-card__tags { display: flex; flex-wrap: wrap; gap: .2rem; padding-right: 3.8rem; }
.shared-task-board .dashboard-task-tag { padding: .18rem .4rem; border-radius: 6px; background: var(--tb-accent-soft); color: var(--tb-accent); font-size: .62rem; font-weight: 700; }
.shared-task-board .dashboard-task-tag--locked { background: rgba(37,99,235,.12); color: #1d4ed8; }
.shared-task-board .dashboard-task-card__title { margin: 0; padding-right: 2.4rem; color: var(--tb-text); font-size: .9rem; line-height: 1.32; }
.shared-task-board .dashboard-task-card__description { display: -webkit-box; margin: 0; overflow: hidden; color: var(--tb-text-muted); font-size: .75rem; line-height: 1.48; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.shared-task-board .dashboard-task-card__meta { display: flex; align-items: center; flex-wrap: wrap; gap: .3rem .55rem; min-height: 24px; color: var(--tb-text-faint); font-size: .68rem; }
.shared-task-board .dashboard-task-card__spacer { flex: 1; }
.shared-task-board .dashboard-task-card__priority { display: inline-flex; align-items: end; gap: 2px; }
.shared-task-board .dashboard-task-card__priority span { width: 3px; height: 8px; border-radius: 2px; background: var(--tb-border-strong); }
.shared-task-board .dashboard-task-card__priority span:nth-child(2) { height: 11px; }
.shared-task-board .dashboard-task-card__priority span:nth-child(3) { height: 13px; }
.shared-task-board .dashboard-task-card__priority--low .is-active { background: var(--success, #16a34a); }
.shared-task-board .dashboard-task-card__priority--med .is-active { background: var(--warning, #d97706); }
.shared-task-board .dashboard-task-card__priority--high .is-active { background: var(--error, #dc2626); }
.shared-task-board .dashboard-task-card__avatar-stack .dashboard-task-card__avatar { margin-left: -6px; }
.shared-task-board .dashboard-task-card__avatar--more { border: 1px solid var(--tb-border); background: var(--tb-surface-2); color: var(--tb-text-muted); }
.shared-task-board .dashboard-task-card__progress { height: 3px; overflow: hidden; border-radius: 999px; background: var(--tb-border); }
.shared-task-board .dashboard-task-card__progress span { display: block; height: 100%; border-radius: inherit; background: var(--tb-accent); }

.shared-task-board .drop-ind { height: 0; margin: 0 4px; border-radius: 999px; background: var(--tb-accent); opacity: 0; pointer-events: none; }
.shared-task-board .drop-ind.vis { height: 2px; opacity: 1; }
.shared-task-board .drop-placeholder { display: flex; align-items: center; justify-content: center; gap: .4rem; height: 0; min-height: 0; margin: 0; overflow: hidden; border: 2px dashed var(--tb-accent); border-radius: 12px; background: var(--tb-accent-soft); color: var(--tb-accent); font-size: .7rem; font-weight: 800; opacity: 0; pointer-events: none; }
.shared-task-board .drop-placeholder.vis { height: auto; min-height: 44px; margin: 3px 0; overflow: visible; opacity: 1; }
.shared-task-board .drop-placeholder__icon { display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 999px; background: var(--tb-accent); color: #fff; }

.shared-task-board-dialog {
  width: min(92vw, 440px);
  padding: 0;
  border: 1px solid var(--tb-border, var(--border, #dbe2ea));
  border-radius: 16px;
  background: var(--tb-surface, var(--bg, #fff));
  color: var(--tb-text, var(--text, #172033));
  box-shadow: 0 24px 70px rgba(15, 23, 42, .25);
}

.shared-task-board-dialog::backdrop { background: rgba(15, 23, 42, .48); backdrop-filter: blur(5px); }
.shared-task-board-dialog__panel { display: grid; gap: 1rem; margin: 0; padding: 1rem; }
.shared-task-board-dialog__header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.shared-task-board-dialog__header h2 { margin: 0; font-size: 1.05rem; }
.shared-task-board-dialog__close { border: 0; background: none; color: inherit; cursor: pointer; font-size: 1.4rem; line-height: 1; }
.shared-task-board-dialog__actions { display: flex; justify-content: flex-end; gap: .55rem; }

@media (max-width: 760px) {
  .shared-task-board__canvas { padding: .7rem; }
  .shared-task-board .project-task-boards { padding: .7rem; }
  .shared-task-board .dashboard-project-section__header { flex-direction: column; gap: .5rem; padding: .7rem .7rem .4rem; }
  .shared-task-board .dashboard-project-section__actions { flex-wrap: wrap; }
  .shared-task-board .project-task-board__header { align-items: flex-start; flex-wrap: wrap; }
  .shared-task-board .project-task-board__actions { width: 100%; justify-content: flex-end; }
  .shared-task-board .dashboard-board-scroll { min-height: 320px; padding: .7rem; }
  .shared-task-board .dashboard-task-card__actions { position: static; order: 5; opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .shared-task-board *,
  .shared-task-board *::before,
  .shared-task-board *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}