/* ——— Gantt chart ——— */

.view--gantt {
  flex: 1;
  display: none;
  flex-direction: column;
  margin: 0;
  width: 100%;
  max-width: none;
  min-height: 100dvh;
}

.view--gantt.view--active {
  display: flex;
}

.gantt-page {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  background: var(--bg);
}

.gantt-toolbar {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--glass-border-soft);
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  flex-shrink: 0;
}

.gantt-toolbar__add.page-head__add {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  width: 32px;
  height: 32px;
  transform: translate(-50%, -50%);
}

.gantt-toolbar__add .page-head__add-icon {
  font-size: 20px;
}

.gantt-toolbar__add.page-head__add:active {
  transform: translate(-50%, -50%) scale(0.96);
}

.gantt-toolbar__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.gantt-toolbar__scale {
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--glass-bg, rgba(255, 255, 255, 0.06));
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.gantt-toolbar__hint {
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.85;
}

.gantt-toolbar__zoom {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.gantt-toolbar__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border-soft);
  background: var(--glass-bg);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.gantt-toolbar__btn:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border);
}

.gantt-toolbar__zoom-label {
  min-width: 3.5rem;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

.gantt-shell {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.gantt-sidebar {
  flex-shrink: 0;
  width: var(--gantt-sidebar-width, 240px);
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-right: 1px solid var(--glass-border-soft);
  background: color-mix(in srgb, var(--bg) 92%, #ffffff 8%);
  z-index: 3;
  box-shadow: 4px 0 16px rgba(0, 0, 0, 0.12);
}

.gantt-sidebar__filters {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 10px 8px;
  border-bottom: 1px solid var(--glass-border-soft);
  background: color-mix(in srgb, var(--bg) 88%, #ffffff 12%);
}

.gantt-filter {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.gantt-filter__label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.gantt-filter__select {
  width: 100%;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--field-border, rgba(255, 255, 255, 0.12));
  background: var(--field-bg, rgba(0, 0, 0, 0.25));
  color: var(--text);
  font: inherit;
  font-size: 12px;
}

.gantt-filter__select:focus {
  outline: 2px solid color-mix(in srgb, var(--theme-accent) 45%, transparent);
  outline-offset: 1px;
}

.gantt-sidebar__notice {
  flex-shrink: 0;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(251, 191, 36, 0.2);
  background: rgba(251, 191, 36, 0.08);
  font-size: 11px;
  line-height: 1.4;
  color: color-mix(in srgb, #fbbf24 70%, var(--text) 30%);
}

.gantt-sidebar__notice[hidden] {
  display: none !important;
}

.gantt-sidebar__notice-title {
  margin: 0 0 6px;
  font-weight: 600;
}

.gantt-sidebar__notice-list {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--text-muted);
}

.gantt-sidebar__notice-item {
  display: block;
  width: 100%;
  margin: 2px 0;
  padding: 4px 0;
  border: none;
  background: none;
  color: inherit;
  font: inherit;
  font-size: 11px;
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-decoration: underline;
  text-decoration-color: rgba(251, 191, 36, 0.35);
  text-underline-offset: 2px;
}

.gantt-sidebar__notice-item:hover {
  color: var(--text);
}

.gantt-sidebar__row {
  cursor: pointer;
}

.gantt-sidebar__row:hover {
  background: rgba(255, 255, 255, 0.04);
}

.gantt-schedule-modal__task {
  margin: -4px 0 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.gantt-schedule-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.gantt-schedule-form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.gantt-schedule-form__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.gantt-schedule-form__input {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--field-border, rgba(255, 255, 255, 0.12));
  background: var(--field-bg, rgba(0, 0, 0, 0.25));
  color: var(--text);
  font: inherit;
  font-size: 14px;
  box-sizing: border-box;
}

.gantt-schedule-form__mode {
  margin: 0;
  padding: 0;
  border: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.gantt-schedule-form__mode legend {
  padding: 0;
  margin-bottom: 4px;
}

.gantt-schedule-form__radio {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
}

.gantt-schedule-form__preview {
  margin: 0;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  font-size: 12px;
  color: var(--text-muted);
}

.gantt-schedule-form__preview[hidden] {
  display: none !important;
}

.gantt-sidebar__notice-list li {
  margin: 2px 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gantt-sidebar__head {
  flex-shrink: 0;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--glass-border-soft);
  box-sizing: border-box;
  background: color-mix(in srgb, var(--bg) 90%, #ffffff 10%);
}

.gantt-sidebar__count {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-muted);
  opacity: 0.85;
}

.gantt-sidebar__row--empty {
  justify-content: center;
  color: var(--text-muted);
  font-size: 12px;
  font-style: italic;
}

.gantt-sidebar__rows {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.gantt-sidebar__row {
  height: var(--gantt-row-height, 36px);
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 13px;
  color: var(--text);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-sizing: border-box;
}

.gantt-sidebar__row:nth-child(even) {
  background: rgba(255, 255, 255, 0.015);
}

.gantt-timeline {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.gantt-header-viewport {
  flex-shrink: 0;
  overflow: hidden;
  border-bottom: 1px solid var(--glass-border-soft);
  background: color-mix(in srgb, var(--bg) 84%, #ffffff 16%);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.14);
}

.gantt-header-track {
  position: relative;
  height: var(--gantt-header-height, 60px);
  will-change: transform;
}

.gantt-header__major,
.gantt-header__minor {
  position: absolute;
  left: 0;
  top: 0;
  height: 50%;
  width: 100%;
  pointer-events: none;
}

.gantt-header__major {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.gantt-header__minor {
  top: 50%;
}

.gantt-tick-major,
.gantt-tick-minor {
  position: absolute;
  top: 0;
  bottom: 0;
  box-sizing: border-box;
  overflow: hidden;
}

.gantt-tick-major {
  display: flex;
  align-items: center;
  padding: 0 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.gantt-tick-major__label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gantt-tick-minor {
  border-left: 1px solid rgba(255, 255, 255, 0.05);
}

.gantt-tick-minor__label {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
}

.gantt-tick-minor__label--today {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--theme-accent, #3b82f6);
  color: #fff;
  font-weight: 600;
}

.gantt-body-scroll {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  position: relative;
  cursor: grab;
  touch-action: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(255, 255, 255, 0.05), transparent 55%),
    color-mix(in srgb, var(--bg) 82%, #ffffff 18%);
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.28) rgba(255, 255, 255, 0.06);
}

.gantt-body-scroll--panning {
  cursor: grabbing;
  user-select: none;
}

.gantt-body-scroll::-webkit-scrollbar {
  width: 10px;
  height: 0;
}

.gantt-body-scroll::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
}

.gantt-body-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.gantt-body-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.32);
  background-clip: padding-box;
}

.gantt-body-track {
  position: relative;
}

.gantt-grid-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.gantt-grid-line {
  position: absolute;
  top: 0;
  bottom: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.05);
}

.gantt-grid-line--major {
  border-left-color: rgba(255, 255, 255, 0.12);
}

.gantt-row-bg {
  position: absolute;
  left: 0;
  right: 0;
  height: var(--gantt-row-height, 36px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  box-sizing: border-box;
}

.gantt-row-bg:nth-child(even) {
  background: rgba(255, 255, 255, 0.015);
}

.gantt-bars-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.gantt-task-cluster {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 32px;
  border: 1px solid color-mix(in srgb, var(--theme-accent) 70%, transparent);
  border-radius: 10px;
  background: color-mix(in srgb, var(--theme-accent) 34%, #111318);
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.28),
    0 0 12px color-mix(in srgb, var(--theme-accent) 18%, transparent);
  color: #fff;
  cursor: default;
  pointer-events: auto;
}

.gantt-task-cluster:hover,
.gantt-task-cluster:focus-within,
.gantt-task-cluster:focus-visible {
  z-index: 30;
  border-color: var(--theme-accent);
  outline: none;
}

.gantt-task-cluster__count {
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.gantt-task-cluster__popover {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: min(320px, calc(100vw - 40px));
  padding: 10px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg) 88%, #ffffff 12%);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.48);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition:
    opacity 0.16s ease,
    transform 0.16s ease,
    visibility 0s linear 0.16s;
  pointer-events: none;
}

.gantt-task-cluster:hover .gantt-task-cluster__popover,
.gantt-task-cluster:focus-within .gantt-task-cluster__popover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
  pointer-events: auto;
}

.gantt-task-cluster--align-right .gantt-task-cluster__popover {
  right: 0;
  left: auto;
}

.gantt-task-cluster--popover-up .gantt-task-cluster__popover {
  top: auto;
  bottom: calc(100% + 8px);
  transform: translateY(4px);
}

.gantt-task-cluster--popover-up:hover .gantt-task-cluster__popover,
.gantt-task-cluster--popover-up:focus-within .gantt-task-cluster__popover {
  transform: translateY(0);
}

.gantt-task-cluster__heading {
  margin: 0 0 8px;
  padding: 0 2px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
}

.gantt-task-cluster__list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.gantt-task-cluster__item {
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px;
  border-radius: 8px;
  text-align: left;
}

.gantt-task-cluster__item:hover,
.gantt-task-cluster__item:focus-visible {
  background: rgba(255, 255, 255, 0.07);
  outline: none;
}

.gantt-task-cluster__color {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--gantt-project-color, var(--text-muted));
}

.gantt-task-cluster__title {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gantt-task-cluster__time {
  color: var(--text-muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.gantt-sidebar__row--cluster {
  color: color-mix(in srgb, var(--theme-accent) 72%, var(--text));
  cursor: default;
}

.gantt-bar {
  position: absolute;
  height: 32px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--text-muted) 35%, transparent);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-sizing: border-box;
  overflow: hidden;
  pointer-events: auto;
  cursor: pointer;
  display: flex;
  align-items: center;
  min-width: 4px;
  box-shadow: 0 2px 7px rgba(0, 0, 0, 0.22);
  transition: filter 0.15s ease, border-color 0.15s ease;
}

.gantt-bar:hover {
  filter: brightness(1.1);
}

.gantt-bar__progress {
  position: absolute;
  inset: 0 auto 0 0;
  background: color-mix(in srgb, var(--text-muted) 55%, transparent);
  border-radius: 5px 0 0 5px;
  pointer-events: none;
}

.gantt-bar__label {
  position: relative;
  z-index: 1;
  flex: 0 1 auto;
  min-width: 0;
  max-width: 100%;
  padding: 0 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gantt-bar--label-scroll .gantt-bar__label {
  flex: none;
  max-width: none;
  overflow: visible;
  text-overflow: clip;
  animation: gantt-label-marquee var(--gantt-label-duration, 5s) ease-in-out infinite alternate;
}

@keyframes gantt-label-marquee {
  0%,
  14% {
    transform: translateX(0);
  }

  86%,
  100% {
    transform: translateX(var(--gantt-label-scroll, 0));
  }
}

@media (prefers-reduced-motion: reduce) {
  .gantt-bar--label-scroll .gantt-bar__label {
    animation: none;
  }
}

.gantt-bar--accent {
  background: color-mix(in srgb, var(--theme-accent) 24%, transparent);
  border-color: color-mix(in srgb, var(--theme-accent) 40%, transparent);
}

.gantt-bar--accent .gantt-bar__progress {
  background: color-mix(in srgb, var(--theme-accent) 48%, transparent);
}

.gantt-bar--project {
  background: color-mix(in srgb, var(--gantt-project-color) 42%, #111318);
  border-color: color-mix(in srgb, var(--gantt-project-color) 78%, transparent);
  box-shadow:
    0 1px 4px rgba(0, 0, 0, 0.22),
    0 0 10px color-mix(in srgb, var(--gantt-project-color) 16%, transparent);
}

.gantt-bar--project .gantt-bar__progress {
  background: color-mix(in srgb, var(--gantt-project-color) 62%, transparent);
}

.gantt-today-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  margin-left: -1px;
  background: var(--theme-accent, #3b82f6);
  pointer-events: none;
  z-index: 2;
  box-shadow: 0 0 10px color-mix(in srgb, var(--theme-accent) 55%, transparent);
}

.gantt-today-line::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--theme-accent, #3b82f6);
}

.gantt-scroll-x {
  flex-shrink: 0;
  height: 14px;
  overflow-x: scroll;
  overflow-y: hidden;
  border-top: 1px solid var(--glass-border-soft);
  background: color-mix(in srgb, var(--bg) 90%, #ffffff 10%);
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.35) rgba(255, 255, 255, 0.06);
}

.gantt-scroll-x::-webkit-scrollbar {
  height: 12px;
}

.gantt-scroll-x::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
}

.gantt-scroll-x::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.gantt-scroll-x__inner {
  height: 1px;
}

.nav-item .icon-img--gantt {
  display: inline-flex;
  align-items: flex-end;
  justify-content: center;
  gap: 2px;
  width: 20px;
  height: 20px;
}

.nav-item .icon-img--gantt::before,
.nav-item .icon-img--gantt::after {
  content: "";
  display: block;
  border-radius: 1px;
  background: currentColor;
  opacity: 0.85;
}

.nav-item .icon-img--gantt::before {
  width: 5px;
  height: 10px;
}

.nav-item .icon-img--gantt::after {
  width: 5px;
  height: 16px;
}

@media (max-width: 768px) {
  .gantt-toolbar__hint {
    display: none;
  }

  .gantt-sidebar {
    width: 160px;
  }
}