/* OpenGantt Web — light slate + teal tool UI */

:root,
[data-theme="bright"] {
  --bg: #e8eef2;
  --bg-elevated: #f7fafb;
  --surface: #ffffff;
  --surface-muted: #f1f5f7;
  --surface-soft: #eef2f4;
  --ink: #1a2b34;
  --ink-muted: #5a6f7a;
  --line: #cfd8de;
  --line-soft: #e4ebef;
  --accent: #0d7a6f;
  --accent-hover: #0a635a;
  --accent-soft: #d5f0ec;
  --bar: #1b9a8c;
  --bar-selected: #0d7a6f;
  --group-frame: #1f3b38;
  --weekend: #e8ecef;
  --danger: #b42318;
  --row-selected: #cfeae5;
  --row-selected-member: #dff3ef;
  --row-group: #eef4f3;
  --gantt-label-bg: #ffffff;
  --folder-bar-line: #b8e0d9;
  --bg-glow-1: #d7ece8;
  --bg-glow-2: #d9e4ec;
  --shadow: 0 1px 2px rgba(26, 43, 52, 0.06), 0 8px 24px rgba(26, 43, 52, 0.06);
  --radius: 10px;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --topbar-h: 56px;
  --project-h: 64px;
  /* Shared table ↔ Gantt row geometry */
  --panel-toolbar-h: 36px;
  --text-scale: 1;
  --row-h: 40px;
  --head-h: 40px;
  --ui-font-size: calc(0.85rem * var(--text-scale));
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #12181c;
  --bg-elevated: #1a2228;
  --surface: #222b32;
  --surface-muted: #1c252c;
  --surface-soft: #243038;
  --ink: #e8eef2;
  --ink-muted: #9aadb8;
  --line: #3a4852;
  --line-soft: #2c3740;
  --accent: #2bb5a5;
  --accent-hover: #4ec9ba;
  --accent-soft: #1a3532;
  --bar: #1b9a8c;
  --bar-selected: #2bb5a5;
  --group-frame: #5a8a84;
  --weekend: #1a2228;
  --danger: #f04438;
  --row-selected: #1f403c;
  --row-selected-member: #1a3532;
  --row-group: #1c2a2e;
  --gantt-label-bg: #222b32;
  --folder-bar-line: #2a4f4a;
  --bg-glow-1: #16332f;
  --bg-glow-2: #1a2830;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 10px 28px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, var(--bg-glow-1) 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, var(--bg-glow-2) 0%, transparent 50%),
    var(--bg);
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

.folder-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  padding: 0.4rem 1.25rem;
  background: var(--accent-soft);
  border-bottom: 1px solid var(--folder-bar-line);
  color: var(--ink);
  font-size: 0.85rem;
  flex-shrink: 0;
  z-index: 35;
}

.folder-bar[hidden] {
  display: none !important;
}

.folder-label {
  color: var(--ink-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

.folder-name {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
}

.folder-hint {
  color: var(--ink-muted);
  font-size: 0.8rem;
}

.projects-panel {
  display: none;
  position: fixed;
  top: calc(var(--topbar-h) + var(--project-h) + 0.5rem);
  left: 1rem;
  width: min(22rem, calc(100vw - 2rem));
  max-height: min(50vh, 24rem);
  overflow: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 45;
  padding: 0.85rem 1rem 1rem;
}

.projects-panel.is-open {
  display: block;
}

.project-file-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.project-file-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--line-soft);
}

.project-file-list li.is-last {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.project-file-list .file-name {
  font-family: var(--mono);
  font-size: 0.75rem;
  word-break: break-all;
}

.app {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1.25rem;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  flex-shrink: 0;
  z-index: 40;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-mark {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--accent), #2bb5a5);
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.12);
}

.brand-name {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.1rem;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: flex-end;
  align-items: center;
}

.lang-select {
  display: inline-flex;
  align-items: center;
  margin-right: 0.15rem;
}

.lang-select select {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 8px;
  padding: 0.4rem 1.45rem 0.4rem 0.55rem;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-muted) 50%),
    linear-gradient(135deg, var(--ink-muted) 50%, transparent 50%);
  background-position: calc(100% - 12px) calc(50% - 2px), calc(100% - 8px) calc(50% - 2px);
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
}

.lang-select select:hover,
.lang-select select:focus {
  border-color: var(--accent);
  outline: none;
}

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.875rem;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn:hover {
  border-color: var(--accent);
  color: var(--accent-hover);
}

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

.export-menu {
  position: relative;
  display: inline-flex;
}

.export-menu-panel {
  position: absolute;
  top: calc(100% + 0.3rem);
  right: 0;
  z-index: 60;
  min-width: 14rem;
  padding: 0.3rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.export-menu-panel[hidden] {
  display: none !important;
}

.export-menu-item {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--ink);
  text-align: left;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.45rem 0.65rem;
  border-radius: 7px;
  cursor: pointer;
  white-space: nowrap;
}

.export-menu-item:hover,
.export-menu-item:focus-visible {
  background: var(--accent-soft);
  color: var(--accent-hover);
  outline: none;
}

.export-menu-sep {
  border: none;
  border-top: 1px solid var(--line-soft);
  margin: 0.25rem 0.35rem;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-icon-toolbar:disabled {
  opacity: 0.4;
}

.btn-small {
  padding: 0.25rem 0.55rem;
  font-size: 0.8rem;
}

.btn-icon {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
}

.btn-icon:hover {
  background: #fde8e6;
  color: var(--danger);
}

.btn-icon-meta:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.btn-icon-note {
  flex: 0 0 auto;
  color: var(--ink-muted);
}

.btn-icon-note:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.btn-icon-danger:hover {
  background: #fde8e6;
  color: var(--danger);
}

.icon-svg {
  display: block;
  vertical-align: middle;
}

.project-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 0.75rem 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  flex-shrink: 0;
  position: relative;
  z-index: 30;
  isolation: isolate;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 9rem;
}

.field-grow {
  flex: 1 1 14rem;
  min-width: 12rem;
}

#project-name {
  background: var(--surface);
  position: relative;
  z-index: 1;
}

.field span {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
}

.field input {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  background: var(--surface);
}

.field input:focus,
.task-table input:focus,
.task-table select:focus,
.resource-list input:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

/* Compound date control: text + calendar glued as one control, content-sized. */
.date-field {
  display: inline-flex;
  align-items: stretch;
  width: max-content;
  max-width: 100%;
  gap: 0;
  box-sizing: border-box;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
  vertical-align: middle;
}

.date-field > input[type="text"],
.task-table .date-field > input[type="text"],
.task-edit-form .date-field > input[type="text"],
.field .date-field > input[type="text"] {
  flex: 0 0 auto;
  width: 10.5ch;
  min-width: 0;
  max-width: none;
  border: none !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  outline: none !important;
}

.date-field-cal {
  position: relative;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.55rem;
  color: var(--ink-muted);
  border: none;
  border-left: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-sizing: border-box;
}

.date-field-cal svg {
  display: block;
  pointer-events: none;
}

.date-field-native {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  opacity: 0;
  border: 0;
  cursor: pointer;
}

.date-field:focus-within {
  border-color: var(--accent);
  outline: 2px solid var(--accent-soft);
}

.date-field:not(.is-disabled) .date-field-cal:hover {
  color: var(--accent-hover);
  background: var(--accent-soft);
}

.date-field.is-disabled {
  background: var(--line-soft);
}

.date-field.is-disabled .date-field-cal {
  opacity: 0.45;
  pointer-events: none;
}

.task-table .date-field {
  height: 28px;
  border-color: transparent;
  border-radius: 6px;
  background: transparent;
}

.task-table .date-field:hover,
.task-table .date-field:focus-within {
  border-color: var(--line);
  background: var(--surface);
}

.task-table td.col-date {
  width: 1%;
  white-space: nowrap;
}

.task-edit-form .date-field {
  border-radius: 6px;
}

.field .date-field {
  border-radius: 8px;
}

.field input[readonly] {
  background: var(--line-soft);
  color: var(--ink-muted);
}

.resources-panel {
  display: none;
  position: fixed;
  top: calc(var(--topbar-h) + var(--project-h) + 0.5rem);
  right: 1rem;
  width: min(22rem, calc(100vw - 2rem));
  max-height: min(50vh, 24rem);
  overflow: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 30;
  padding: 0.85rem 1rem 1rem;
}

.resources-panel.is-open {
  display: block;
}

.resources-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.resources-head h2 {
  margin: 0;
  font-size: 0.95rem;
}

.resource-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.resource-list li {
  display: grid;
  grid-template-columns: 1fr 6.5rem auto;
  gap: 0.4rem;
  align-items: center;
}

.resource-list input {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.35rem 0.45rem;
  font-size: 0.85rem;
}

.workspace {
  display: flex;
  flex-direction: row;
  min-height: 0;
  flex: 1 1 auto;
  overflow: hidden;
  position: relative;
  z-index: 1;
  --split-percent: 52%;
}

.panel {
  min-height: 0;
  min-width: 0;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-table {
  flex: 0 0 var(--split-percent);
  width: var(--split-percent);
  border-right: none;
}

.panel-gantt {
  flex: 1 1 auto;
  background: var(--bg-elevated);
}

.panel-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  padding: 0 0.55rem;
  background: var(--surface-soft);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  height: var(--panel-toolbar-h);
  min-height: var(--panel-toolbar-h);
  box-sizing: border-box;
}

.panel-table .panel-toolbar {
  justify-content: flex-start;
  gap: 0.45rem;
}

.selection-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 0.15rem;
}

.selection-count {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-muted);
  margin-left: 0.15rem;
  white-space: nowrap;
}

.btn-danger-quiet {
  color: var(--danger);
}

.btn-danger-quiet:hover:not(:disabled) {
  border-color: #f0b4ae;
  background: #fde8e6;
}

.panel-table .panel-toolbar .btn-panel {
  margin-left: auto;
}

.panel-gantt .panel-toolbar {
  justify-content: flex-start;
  gap: 0.55rem;
  flex-wrap: nowrap;
  height: var(--panel-toolbar-h);
  min-height: var(--panel-toolbar-h);
  max-height: var(--panel-toolbar-h);
  padding: 0 0.55rem;
  overflow-x: auto;
  overflow-y: hidden;
}

.gantt-scale {
  display: inline-flex;
  gap: 0.2rem;
  margin-left: auto;
}

.gantt-zoom,
.text-scale {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

.toolbar-metric {
  min-width: 2.6rem;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}

.gantt-scale-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.gantt-scale-btn.is-active:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.gantt-toggles {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.ui-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  padding: 0.15rem 0.35rem 0.15rem 0.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-muted);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  line-height: 1;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.ui-switch:hover {
  border-color: var(--accent);
  color: var(--ink);
}

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

.ui-switch-track {
  position: relative;
  width: 1.7rem;
  height: 0.95rem;
  border-radius: 999px;
  background: #c5d0ce;
  flex-shrink: 0;
  transition: background 0.15s ease;
}

.ui-switch-thumb {
  position: absolute;
  top: 1px;
  left: 1px;
  width: calc(0.95rem - 2px);
  height: calc(0.95rem - 2px);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(20, 40, 36, 0.28);
  transition: transform 0.15s ease;
}

.ui-switch.is-on {
  color: var(--ink);
  border-color: rgba(13, 122, 111, 0.45);
  background: var(--accent-soft);
}

.ui-switch.is-on .ui-switch-track {
  background: var(--accent);
}

.ui-switch.is-on .ui-switch-thumb {
  transform: translateX(0.75rem);
}

.ui-switch-label {
  padding-right: 0.15rem;
  white-space: nowrap;
  user-select: none;
}

.btn-critical-toggle.is-active {
  background: #b42318;
  border-color: #b42318;
  color: #fff;
}

.btn-critical-toggle.is-active:hover {
  background: #912018;
  border-color: #912018;
  color: #fff;
}

.btn-critical-toggle:not(.is-active) {
  color: var(--ink-muted);
}

.btn-client-view.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-client-view.is-active:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.btn-client-view:not(.is-active) {
  color: var(--ink-muted);
}

.empty-client-hint {
  padding: 1.25rem 0.75rem;
  text-align: center;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.panel-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
}

.btn-panel {
  min-width: 1.8rem;
  padding: 0.15rem 0.4rem;
  line-height: 1.2;
}

.panel-splitter {
  flex: 0 0 6px;
  width: 6px;
  cursor: col-resize;
  background: var(--line);
  position: relative;
  z-index: 5;
  touch-action: none;
}

.panel-splitter::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 2rem;
  transform: translate(-50%, -50%);
  border-radius: 2px;
  background: #9aafb8;
}

.panel-splitter:hover,
.panel-splitter:focus-visible,
.workspace.is-resizing .panel-splitter {
  background: var(--accent-soft);
  outline: none;
}

.workspace.is-resizing {
  cursor: col-resize;
  user-select: none;
}

.workspace.is-resizing .panel {
  pointer-events: none;
}

.panel-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
}

.panel-gantt .gantt-host {
  flex: 1 1 auto;
  min-height: 0;
}

.btn-expand-rail {
  display: none;
  appearance: none;
  border: none;
  background: var(--surface-soft);
  color: var(--ink-muted);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  z-index: 6;
}

.btn-expand-table {
  order: -1;
}

.panel-table {
  order: 1;
}

.panel-splitter {
  order: 2;
}

.panel-gantt {
  order: 3;
}

.btn-expand-gantt {
  order: 4;
}

.btn-expand-rail:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.workspace.table-collapsed .panel-table,
.workspace.table-collapsed .panel-splitter {
  display: none;
}

.workspace.table-collapsed .panel-gantt {
  flex: 1 1 auto;
  width: auto;
}

.workspace.table-collapsed .btn-expand-table {
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  flex: 0 0 2rem;
  border-right: 1px solid var(--line);
}

.workspace.gantt-collapsed .panel-gantt,
.workspace.gantt-collapsed .panel-splitter {
  display: none;
}

.workspace.gantt-collapsed .panel-table {
  flex: 1 1 auto;
  width: auto;
}

.workspace.gantt-collapsed .btn-expand-gantt {
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  flex: 0 0 2rem;
  border-left: 1px solid var(--line);
}

.task-table.hide-task-id .col-id {
  display: none;
}

.task-table .col-hidden {
  display: none !important;
}

.task-table tr.is-draft td {
  background: var(--bg-elevated);
}

.task-table tr.is-draft .draft-name {
  color: var(--ink);
}

.task-table tr.is-draft .draft-name::placeholder {
  color: var(--ink-muted);
  font-style: italic;
}

/* Hover gap between tasks: add-task control (zero layout height). */
.task-table tr.row-insert td {
  padding: 0 !important;
  border: none !important;
  height: 0 !important;
  max-height: 0 !important;
  line-height: 0;
  font-size: 0;
  overflow: visible;
  background: transparent !important;
  position: relative;
  vertical-align: top;
}

.task-table tr.row-insert .row-insert-zone {
  position: absolute;
  left: 0;
  right: 0;
  top: -12px;
  height: 24px;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.task-table tr.row-insert .row-insert-actions {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  flex-wrap: wrap;
  justify-content: center;
  max-width: calc(100% - 1.5rem);
}

.task-table tr.row-insert .row-insert-zone::before {
  content: "";
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  top: 50%;
  height: 1px;
  background: var(--accent);
  opacity: 0;
  transform: scaleX(0.96);
  transition: opacity 0.12s ease;
}

.task-table tr.row-insert .btn-insert-task {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin: 0;
  padding: 0.12rem 0.5rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent-hover);
  font: inherit;
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  opacity: 0;
  transform: translateY(1px);
  pointer-events: none;
  box-shadow: 0 1px 2px rgba(26, 43, 52, 0.08);
  transition: opacity 0.12s ease, transform 0.12s ease;
}

.task-table tr.row-insert .btn-insert-task-icon {
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
}

.task-table tr.row-insert:hover .row-insert-zone,
.task-table tr.row-insert:focus-within .row-insert-zone,
.task-table tr[data-task-id]:hover + tr.row-insert .row-insert-zone,
.task-table tr.row-insert:has(+ tr[data-task-id]:hover) .row-insert-zone {
  pointer-events: auto;
}

.task-table tr.row-insert:hover .row-insert-zone::before,
.task-table tr.row-insert:focus-within .row-insert-zone::before,
.task-table tr[data-task-id]:hover + tr.row-insert .row-insert-zone::before,
.task-table tr.row-insert:has(+ tr[data-task-id]:hover) .row-insert-zone::before {
  opacity: 0.55;
}

.task-table tr.row-insert:hover .btn-insert-task,
.task-table tr.row-insert:focus-within .btn-insert-task,
.task-table tr[data-task-id]:hover + tr.row-insert .btn-insert-task,
.task-table tr.row-insert:has(+ tr[data-task-id]:hover) .btn-insert-task {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.task-table tr.row-insert .btn-insert-task:hover,
.task-table tr.row-insert .btn-insert-task:focus-visible {
  background: var(--accent-soft);
  outline: none;
}

body.is-reordering-tasks .task-table tr.row-insert {
  visibility: hidden;
}

.settings-panel {
  display: none;
  position: fixed;
  top: calc(var(--topbar-h) + var(--project-h) + 0.5rem);
  right: 1rem;
  width: min(20rem, calc(100vw - 2rem));
  max-height: calc(100vh - var(--topbar-h) - var(--project-h) - 1.5rem);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 45;
  padding: 0.85rem 1rem 1rem;
}

.settings-panel.is-open {
  display: block;
}

.settings-section-title {
  margin: 0.25rem 0 0.5rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
}

.settings-columns {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.settings-fieldset {
  margin: 0 0 0.55rem;
  padding: 0.35rem 0 0.15rem;
  border: none;
  border-top: 1px solid var(--line-soft);
}

.settings-fieldset:first-child {
  border-top: none;
  padding-top: 0;
}

.settings-fieldset legend {
  padding: 0;
  margin: 0 0 0.15rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-muted);
}

.settings-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.35rem 0;
}

.settings-row-number {
  justify-content: space-between;
  gap: 0.75rem;
}

.settings-row-number input[type="number"] {
  width: 4.5rem;
  flex: 0 0 auto;
  box-sizing: border-box;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.3rem 0.4rem;
  font: inherit;
}

.settings-row-stack {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.settings-row.is-locked {
  opacity: 0.75;
}

.settings-hint {
  margin: 0.75rem 0 0;
  font-size: 0.75rem;
  color: var(--ink-muted);
  line-height: 1.35;
}

.settings-hint code {
  font-family: var(--mono);
  font-size: 0.7rem;
}

.settings-row input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

.settings-row input:disabled {
  cursor: not-allowed;
}

.task-table {
  width: max-content;
  min-width: 100%;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--ui-font-size);
}

.task-table th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--surface-muted);
  text-align: left;
  padding: 0 0.5rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  overflow: visible;
  height: var(--head-h);
  max-height: var(--head-h);
  box-sizing: border-box;
  vertical-align: middle;
}

.task-table th.is-resizing-col {
  z-index: 5;
}

.task-table td {
  padding: 0 0.4rem;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
  height: var(--row-h);
  max-height: var(--row-h);
  box-sizing: border-box;
  overflow: hidden;
}

.task-table tbody tr[data-task-id],
.task-table tbody tr.is-draft {
  height: var(--row-h);
  max-height: var(--row-h);
}

.task-table tbody tr.row-insert {
  height: 0 !important;
  max-height: 0 !important;
  border: none;
  line-height: 0;
}

.task-table input,
.task-table select {
  width: 100%;
  height: 28px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  border-radius: 6px;
  padding: 0.15rem 0.35rem;
  box-sizing: border-box;
}

.task-table select[multiple] {
  height: 28px;
  overflow: hidden;
}

.task-table th[data-col] {
  position: sticky;
}

.col-resizer {
  position: absolute;
  top: 0;
  right: 0;
  width: 14px;
  height: 100%;
  cursor: col-resize;
  user-select: none;
  touch-action: none;
  z-index: 6;
  transform: translateX(50%);
}

.col-resizer::after {
  content: "";
  position: absolute;
  top: 22%;
  bottom: 22%;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  border-radius: 1px;
  background: transparent;
  pointer-events: none;
}

.task-table th:hover .col-resizer::after,
.col-resizer:hover::after,
.col-resizer.is-active::after {
  background: var(--accent);
}

.col-resizer:hover,
.col-resizer.is-active {
  background: rgba(13, 122, 111, 0.1);
}

.task-table.is-col-resizing {
  cursor: col-resize;
  user-select: none;
}

.task-table.is-col-resizing * {
  cursor: col-resize !important;
}

.task-table .col-hidden {
  display: none;
}

.task-table tr.is-selected {
  background: var(--row-selected);
  box-shadow: inset 3px 0 0 0 var(--accent);
}

.task-table tr.is-selected td {
  background: transparent;
}

.task-table tr.is-selected .col-name input {
  font-weight: 600;
  color: var(--accent-hover);
}

.task-table tr.is-selected-member {
  background: var(--row-selected-member);
  box-shadow: inset 3px 0 0 0 rgba(13, 122, 111, 0.45);
}

.task-table tr.is-selected-member .col-name input {
  font-weight: 500;
  color: var(--ink);
}

.task-table tr.is-group {
  background: var(--row-group);
}

.task-table tr.is-group.is-selected {
  background: var(--row-selected);
  box-shadow: inset 3px 0 0 0 var(--accent);
}

.task-table tr.is-group .col-name input {
  font-weight: 700;
}

.task-table tr.is-milestone .col-name input {
  font-weight: 600;
}

/* Thin 1px frame around each group block (group row + members). */
body.show-group-borders .task-table tr.group-block-start > td {
  border-top: 1px solid var(--group-frame);
}

body.show-group-borders .task-table tr.group-block-end > td {
  border-bottom: 1px solid var(--group-frame);
}

body.show-group-borders .task-table tr.group-block-start > td:first-child,
body.show-group-borders .task-table tr.group-block-member > td:first-child,
body.show-group-borders .task-table tr.group-block-end > td:first-child,
body.show-group-borders .task-table tr.group-block-gap > td:first-child {
  border-left: 1px solid var(--group-frame);
}

body.show-group-borders .task-table tr.group-block-start > td:last-child,
body.show-group-borders .task-table tr.group-block-member > td:last-child,
body.show-group-borders .task-table tr.group-block-end > td:last-child,
body.show-group-borders .task-table tr.group-block-gap > td:last-child {
  border-right: 1px solid var(--group-frame);
}

.task-table tr.is-child .name-cell {
  padding-left: 2ch;
}

.task-table tr.is-child .col-name input {
  border-left: 2px solid var(--accent);
  border-radius: 0;
  padding-left: 0.3rem;
}

.name-cell {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  height: 100%;
}

.name-cell input {
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
}

.group-cell {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  height: 100%;
}

.group-cell .parent-select {
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
}

.name-hover-actions {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.05rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease;
}

.task-table tr:hover .name-hover-actions,
.task-table tr:focus-within .name-hover-actions {
  opacity: 1;
  pointer-events: auto;
}

.name-hover-actions .btn-icon {
  padding: 0.15rem;
  line-height: 0;
}

.group-badge {
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-hover);
  background: var(--accent-soft);
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
}

.milestone-mark {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 1.15rem;
  height: 1.15rem;
  line-height: 0;
}

.milestone-mark-svg {
  display: block;
  overflow: visible;
  filter: drop-shadow(0 1px 1px rgba(120, 90, 20, 0.35));
}

.milestone-mark-back {
  fill: #9a7414;
}

.milestone-mark-face {
  fill: #e6c35a;
}

.milestone-mark-edge {
  fill: #c9a227;
}

.task-table tr.is-selected .milestone-mark-back {
  fill: #7a5c10;
}

.task-table tr.is-selected .milestone-mark-face {
  fill: #f0d06a;
}

.task-table tr.is-selected .milestone-mark-edge {
  fill: #d4ad2e;
}

.btn-group-toggle {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 1.35rem;
  height: 1.35rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  color: var(--accent-hover);
  font-size: 0.75rem;
  line-height: 1;
  cursor: pointer;
}

.btn-group-toggle:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.task-table tr.is-group.is-collapsed .group-badge {
  opacity: 0.85;
}

.task-table tr.is-group .name-cell {
  gap: 0.3rem;
}

.parent-select {
  appearance: auto;
  flex: 1 1 auto;
  min-width: 0;
  max-width: none;
  width: 100%;
  font-size: 0.75rem;
  padding: 0.15rem 0.3rem;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background: var(--surface);
  color: var(--ink-muted);
}

.parent-select:hover,
.parent-select:focus {
  border-color: var(--accent);
  color: var(--ink);
}

.task-table input:hover,
.task-table select:hover {
  border-color: var(--line);
  background: var(--surface);
}

.task-table .col-drag {
  width: 1.75rem;
  padding: 0;
  text-align: center;
  vertical-align: middle;
}

.task-table .col-select {
  width: 1.1rem;
  padding: 0;
  text-align: center;
  vertical-align: middle;
}

.task-table thead .col-drag,
.task-table thead .col-select {
  cursor: default;
}

.row-select {
  width: 0.425rem;
  height: 0.425rem;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
  vertical-align: middle;
}

.row-drag-handle {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--ink-muted);
  cursor: grab;
  padding: 0.15rem 0.2rem;
  border-radius: 4px;
  line-height: 1;
  font-size: 0.7rem;
  letter-spacing: -0.12em;
  user-select: none;
  touch-action: none;
}

.row-drag-handle:hover {
  background: var(--accent-soft);
  color: var(--ink);
}

.row-drag-handle:active,
.is-row-dragging .row-drag-handle {
  cursor: grabbing;
}

body.is-reordering-tasks {
  cursor: grabbing;
  user-select: none;
}

.task-table tr.is-row-dragging {
  opacity: 0.55;
  background: var(--accent-soft);
}

.task-table tr.drop-before td {
  box-shadow: inset 0 2px 0 0 var(--accent);
}

.task-table tr.drop-after td {
  box-shadow: inset 0 -2px 0 0 var(--accent);
}

.task-table .col-actions {
  width: 2.4rem;
  text-align: center;
}

.row-actions {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.05rem;
}

.modal-dialog-task-edit {
  max-height: min(96vh, 60rem);
  width: min(56rem, calc(100vw - 2rem));
  overflow: hidden;
  padding: 1.15rem 1.35rem 1.05rem;
}

.modal-dialog-task-edit .modal-header,
.modal-dialog-task-edit .modal-subtitle,
.modal-dialog-task-edit .modal-footer {
  flex-shrink: 0;
}

.modal-dialog-task-edit .task-edit-form {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.fs-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.35rem 0 0.65rem;
}

.fs-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem 0.2rem;
  min-width: 0;
  flex: 1;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.fs-path button {
  border: none;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  padding: 0.15rem 0.25rem;
  border-radius: 4px;
  font: inherit;
}

.fs-path button:hover {
  background: var(--accent-soft);
}

.fs-path .fs-sep {
  color: var(--ink-muted);
  opacity: 0.7;
}

.fs-list-head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.2rem 0.65rem 0.35rem;
  border: 1px solid var(--line-soft);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  background: var(--surface-soft);
}

.fs-sort-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--ink-muted);
  font: inherit;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  padding: 0.15rem 0.2rem;
  border-radius: 4px;
}

.fs-sort-btn[data-sort="name"] {
  flex: 1 1 auto;
  min-width: 0;
  text-align: left;
  padding-left: calc(1.1rem + 0.55rem);
}

.fs-sort-btn[data-sort="date"] {
  flex: 0 0 auto;
  min-width: 9.5rem;
  text-align: left;
}

.fs-sort-btn:hover,
.fs-sort-btn.is-active {
  color: var(--accent-hover);
  background: var(--accent-soft);
}

.fs-sort-size {
  flex: 0 0 auto;
  min-width: 4.25rem;
  text-align: right;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ink-muted);
}

.fs-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  overflow-y: auto;
  flex: 1 1 auto;
  border: 1px solid var(--line-soft);
  border-radius: 0 0 8px 8px;
  min-height: 14rem;
  background: var(--bg-elevated);
}

.fs-list li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.65rem;
  border-bottom: 1px solid var(--line-soft);
  cursor: pointer;
  user-select: none;
}

.fs-list li:last-child {
  border-bottom: none;
}

.fs-list li:hover {
  background: var(--accent-soft);
}

.fs-list li.is-selected {
  background: var(--accent-soft);
  outline: 1px solid var(--accent);
  outline-offset: -1px;
}

.fs-list .fs-icon {
  width: 1.1rem;
  text-align: center;
  flex: 0 0 auto;
  opacity: 0.85;
}

.fs-list .fs-name {
  font-family: var(--mono);
  font-size: 0.8rem;
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fs-list .fs-meta {
  font-size: 0.7rem;
  color: var(--ink-muted);
  flex: 0 0 auto;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.fs-list .fs-date {
  margin-left: 0;
  min-width: 9.5rem;
}

.fs-list .fs-size {
  min-width: 4.25rem;
  text-align: right;
}

.fs-empty {
  margin: 0.75rem 0 0;
  color: var(--ink-muted);
  font-size: 0.85rem;
  text-align: center;
}

.task-edit-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 0.15rem 0 0.25rem;
  padding-right: 0.15rem;
}

.task-edit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.task-edit-form textarea,
.task-edit-form input[type="text"],
.task-edit-form input[type="number"],
.task-edit-form select {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.4rem 0.5rem;
  font: inherit;
  color: var(--ink);
  background: var(--surface);
}

.task-edit-form textarea {
  resize: vertical;
  min-height: 4.5rem;
  line-height: 1.4;
}

.task-edit-form select[multiple] {
  min-height: 5.5rem;
}

.task-edit-id {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.task-edit-id code {
  font-size: 0.8rem;
  color: var(--ink-muted);
  word-break: break-all;
}

@media (max-width: 560px) {
  .task-edit-grid {
    grid-template-columns: 1fr;
  }
}

.meta-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin: 0.15rem 0 0.25rem;
}

.meta-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.meta-row-check {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.65rem;
  cursor: pointer;
}

.meta-row-check input {
  margin-top: 0.2rem;
  accent-color: var(--accent);
}

.meta-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}

.meta-hint {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--ink-muted);
  line-height: 1.35;
}

.meta-color-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.meta-color-field input[type="color"] {
  width: 2.4rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
}

.pred-cell {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.3rem;
  min-width: 0;
  min-height: 1.6rem;
  height: 100%;
  overflow: hidden;
  cursor: pointer;
}

.task-table td.col-deps {
  cursor: pointer;
}

.task-table td.col-deps:hover .pred-cell {
  background: rgba(13, 122, 111, 0.06);
  border-radius: 4px;
}

.pred-chip {
  display: inline-flex;
  align-items: center;
  max-width: 6.5rem;
  padding: 0.1rem 0.35rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-hover);
  font-size: calc(0.68rem * var(--text-scale));
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 0 1 auto;
}

.pred-empty {
  color: var(--ink-muted);
  font-size: 0.8rem;
  font-style: italic;
}

.btn-pred {
  appearance: none;
  border: 1px dashed var(--line);
  background: var(--surface);
  border-radius: 6px;
  padding: 0.2rem 0.45rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-muted);
  cursor: pointer;
}

.btn-pred:hover {
  border-color: var(--accent);
  color: var(--accent-hover);
}

.modal[hidden] {
  display: none !important;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26, 43, 52, 0.45);
}

.modal-dialog {
  position: relative;
  z-index: 1;
  width: min(28rem, 100%);
  max-height: min(80vh, 36rem);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem 1rem;
}

.modal-dialog.modal-dialog-open {
  width: min(84rem, calc(100vw - 2rem));
  max-width: calc(100vw - 2rem);
  max-height: min(82vh, 40rem);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.modal-header h2 {
  margin: 0;
  font-size: 1.05rem;
}

.modal-subtitle {
  margin: 0.25rem 0 0.75rem;
  color: var(--ink-muted);
  font-size: 0.85rem;
}

.modal-search input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  background: var(--bg-elevated);
  margin-bottom: 0.65rem;
}

.modal-search input:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

.pred-task-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow: auto;
  flex: 1 1 auto;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  min-height: 10rem;
}

.pred-task-list li {
  border-bottom: 1px solid var(--line-soft);
}

.pred-task-list li:last-child {
  border-bottom: none;
}

.pred-task-list .pred-group-sep {
  height: 0.65rem;
  margin: 0;
  padding: 0;
  border: none;
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg-elevated);
  pointer-events: none;
}

.pred-task-list label {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.55rem 0.65rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.pred-task-list label:hover {
  background: var(--accent-soft);
}

.pred-task-list input {
  margin-top: 0.15rem;
  accent-color: var(--accent);
}

.pred-task-meta {
  display: block;
  font-size: 0.72rem;
  color: var(--ink-muted);
  font-family: var(--mono);
}

.pred-task-list .empty-hint {
  padding: 1rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.task-table .col-id {
  max-width: 6rem;
}

.task-table .col-id code {
  font-family: var(--mono);
  font-size: calc(0.65rem * var(--text-scale));
  color: var(--ink-muted);
  word-break: break-all;
}

.empty-hint {
  color: var(--ink-muted);
  padding: 1rem !important;
  font-size: 0.9rem;
}

/* Gantt */
.gantt-host,
.gantt-root {
  height: 100%;
  min-height: 0;
  flex: 1 1 auto;
  font-size: var(--ui-font-size);
}

.gantt-scroll {
  height: 100%;
  overflow: auto;
}

.gantt-canvas {
  position: relative;
  min-height: 100%;
}

.gantt-today {
  position: absolute;
  top: 0;
  width: 0;
  border-left: 2px solid #c45c26;
  z-index: 5;
  pointer-events: none;
  opacity: 0.9;
}

.gantt-milestone-line {
  position: absolute;
  top: 0;
  width: 0;
  border-left: 2px dotted #8a6a2b;
  z-index: 0;
  pointer-events: none;
  opacity: 0.85;
}

.gantt-header {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--surface-muted);
  border-bottom: 1px solid var(--line);
  height: var(--head-h);
  box-sizing: border-box;
}

.gantt-tick {
  position: absolute;
  top: 0;
  bottom: 0;
  border-right: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 0.2rem 0.15rem 0.25rem;
  font-size: calc(0.65rem * var(--text-scale));
  color: var(--ink-muted);
  overflow: hidden;
  box-sizing: border-box;
}

.gantt-tick.is-weekend,
.gantt-grid-col.is-weekend {
  background: var(--weekend);
}

.gantt-tick-week,
.gantt-tick-month {
  align-items: flex-start;
  justify-content: center;
  padding-left: 0.35rem;
}

.gantt-tick-major {
  font-weight: 600;
  color: var(--accent);
  font-size: calc(0.68rem * var(--text-scale));
  white-space: nowrap;
}

.gantt-tick-minor {
  white-space: nowrap;
  font-size: calc(0.6rem * var(--text-scale));
}

.gantt-grid-col-major {
  border-right: 1px solid var(--line);
}

.gantt-body {
  position: absolute;
  left: 0;
  z-index: 1;
}

.gantt-grid-col {
  position: absolute;
  top: 0;
  border-right: 1px solid var(--line-soft);
  pointer-events: none;
  z-index: 0;
}

.gantt-row {
  position: absolute;
  left: 0;
  right: 0;
  box-sizing: border-box;
  border-bottom: 1px solid var(--line-soft);
  z-index: 1;
}

.gantt-row.is-selected {
  background: rgba(13, 122, 111, 0.14);
  box-shadow: inset 0 0 0 1px rgba(13, 122, 111, 0.28);
  z-index: 2;
}

.gantt-row.is-selected-member {
  background: rgba(13, 122, 111, 0.09);
  box-shadow: inset 0 0 0 1px rgba(13, 122, 111, 0.16);
}

.gantt-row.is-group {
  background: rgba(13, 122, 111, 0.05);
}

.gantt-row.is-group.is-selected {
  background: rgba(13, 122, 111, 0.16);
}

body.show-group-borders .gantt-row.group-block-start,
body.show-group-borders .gantt-row.group-block-member,
body.show-group-borders .gantt-row.group-block-end {
  border-left: 1px solid var(--group-frame);
  border-right: 1px solid var(--group-frame);
}

body.show-group-borders .gantt-row.group-block-start {
  border-top: 1px solid var(--group-frame);
}

body.show-group-borders .gantt-row.group-block-end {
  border-bottom: 1px solid var(--group-frame);
}

.gantt-bar {
  position: absolute;
  background: transparent;
  border: none;
  border-radius: 0;
  color: var(--ink);
  font-size: calc(0.72rem * var(--text-scale));
  font-weight: 400;
  cursor: grab;
  user-select: none;
  box-shadow: none;
  overflow: visible;
  touch-action: none;
  box-sizing: border-box;
  z-index: 2;
}

.gantt-bar-fill {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #2bb5a5, var(--bar));
  border-radius: 4px;
  pointer-events: none;
  z-index: 0;
  box-shadow: 0 1px 2px rgba(13, 122, 111, 0.28);
}

.gantt-bar.is-selected {
  z-index: 4;
}

.gantt-bar.is-selected .gantt-bar-fill {
  background: linear-gradient(180deg, #0d7a6f, #084f48);
  box-shadow: 0 0 0 2px rgba(13, 122, 111, 0.25);
}

.gantt-bar.is-selected .gantt-bar-label {
  font-weight: 500;
  color: var(--accent-hover);
  border-color: var(--accent);
}

.gantt-bar.is-selected-member .gantt-bar-fill {
  background: linear-gradient(180deg, #1b9a8c, var(--bar-selected));
  box-shadow: 0 0 0 1px rgba(13, 122, 111, 0.2);
}

.gantt-bar.is-group {
  cursor: grab;
  min-width: 4px;
}

.gantt-bar.is-group .gantt-bar-fill {
  background: #1f3b38;
  border-radius: 3px;
  box-shadow: none;
}

.gantt-bar.is-group .gantt-bar-label {
  color: var(--ink);
  font-weight: 500;
  border-color: #9aabae;
  cursor: grab;
}

.gantt-bar.is-group.is-selected .gantt-bar-fill {
  background: #0d7a6f;
  box-shadow: 0 0 0 2px rgba(43, 181, 165, 0.35);
}

.gantt-bar.is-milestone {
  cursor: grab;
  min-width: 0;
  overflow: visible;
  z-index: 3;
}

.gantt-bar.is-milestone .gantt-bar-fill,
.gantt-milestone-diamond {
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  transform: none;
}

.gantt-milestone-diamond .milestone-mark-svg {
  display: block;
  width: 100%;
  height: 100%;
}

.gantt-bar.is-milestone .gantt-bar-label {
  color: var(--ink);
  font-weight: 500;
  border-color: #c4b48a;
  cursor: grab;
}

.gantt-bar.is-milestone.is-selected .milestone-mark-back {
  fill: #7a5c10;
}

.gantt-bar.is-milestone.is-selected .milestone-mark-face {
  fill: #f0d06a;
}

.gantt-bar.is-milestone.is-selected .milestone-mark-edge {
  fill: #d4ad2e;
}

.gantt-bar.is-milestone.is-critical .milestone-mark-back {
  fill: #8a3a14;
}

.gantt-bar.is-milestone.is-critical .milestone-mark-face {
  fill: #e07a45;
}

.gantt-bar.is-milestone.is-critical .milestone-mark-edge {
  fill: #c45c26;
}

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

.gantt-bar-label {
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-left: 0.28rem;
  z-index: 1;
  max-width: none;
  padding: 0.1rem 0.38rem;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  overflow: visible;
  pointer-events: auto;
  cursor: grab;
  font-weight: 500;
  font-size: calc(0.7rem * var(--text-scale));
  color: var(--ink);
  line-height: 1.25;
  background: var(--gantt-label-bg);
  border: 1px solid var(--line);
  border-radius: 3px;
  box-shadow: 0 1px 0 rgba(26, 43, 52, 0.04);
}

.gantt-bar-duration {
  font-weight: 400;
  color: #8a9aa3;
}

.gantt-bar-date {
  position: absolute;
  z-index: 1;
  font-size: calc(0.58rem * var(--text-scale));
  font-weight: 500;
  line-height: 1;
  color: #a8b2b8;
  pointer-events: none;
  white-space: nowrap;
  user-select: none;
}

.gantt-bar-date-start {
  left: 5px;
  bottom: 100%;
  margin-bottom: 2px;
}

.gantt-bar-date-end {
  right: 5px;
  top: 100%;
  margin-top: 2px;
}

.gantt-bar.is-critical .gantt-bar-fill {
  background: linear-gradient(180deg, #d92d20, #b42318);
  box-shadow: 0 1px 2px rgba(180, 35, 24, 0.35);
}

.gantt-bar.is-critical .gantt-bar-label {
  border-color: #b42318;
  color: #912018;
}

.gantt-bar.is-critical .gantt-bar-duration {
  color: #b08a86;
  font-weight: 400;
}

.gantt-bar.is-group.is-critical .gantt-bar-fill {
  background: #912018;
}

.gantt-bar.is-non-critical {
  opacity: 0.42;
}

.gantt-dep-line.is-critical {
  stroke-dasharray: none;
}

.gantt-dep-arrow.is-critical {
  stroke: #b42318;
}

.gantt-hover-tip {
  position: fixed;
  z-index: 90;
  min-width: 12rem;
  max-width: min(20rem, calc(100vw - 1.5rem));
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  pointer-events: none;
  font-size: calc(0.78rem * var(--text-scale));
  color: var(--ink);
  opacity: 0;
  transform: translateY(2px);
  transition: opacity 0.06s ease-out, transform 0.06s ease-out;
}

.gantt-hover-tip.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.gantt-hover-tip.is-drag {
  border-color: var(--accent);
  box-shadow: 0 4px 18px rgba(13, 122, 111, 0.22);
}

.gantt-drag-mode {
  font-size: 0.85em;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin: -0.15rem 0 0.35rem;
}

.gantt-bar.is-dragging {
  opacity: 1;
  z-index: 4;
}

.gantt-hover-tip-title {
  font-weight: 700;
  margin-bottom: 0.4rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.3;
}

.gantt-hover-tip-desc {
  margin: -0.15rem 0 0.45rem;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--ink-muted);
  white-space: pre-wrap;
  max-height: 4.5rem;
  overflow: hidden;
}

.gantt-hover-tip-row {
  display: grid;
  grid-template-columns: 6.2rem 1fr;
  gap: 0.35rem;
  align-items: start;
  margin-top: 0.2rem;
  line-height: 1.35;
}

.gantt-hover-tip-row span {
  color: var(--ink-muted);
  font-size: 0.92em;
}

.gantt-hover-tip-row strong {
  font-weight: 600;
  word-break: break-word;
}

.gantt-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  height: auto;
  width: 8px;
  cursor: ew-resize;
  z-index: 2;
}

.gantt-handle-left {
  left: 0;
}

.gantt-handle-right {
  right: 0;
}

.gantt-bar:hover .gantt-bar-fill {
  filter: brightness(1.04);
}

.gantt-bar:hover .gantt-bar-label {
  border-color: var(--accent);
}

.gantt-deps {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: visible;
  z-index: 0;
}

.gantt-dep-line {
  stroke-dasharray: 4 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.gantt-dep-line.is-solid {
  stroke-dasharray: none;
}

.gantt-dep-arrow {
  stroke: none;
}

.toast {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--ink);
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  font-size: 0.875rem;
  opacity: 0;
  transition: transform 0.2s, opacity 0.2s;
  z-index: 200;
  max-width: min(90vw, 28rem);
  text-align: center;
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(26, 43, 52, 0.28);
}

.toast.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast.is-error {
  background: var(--danger);
}

@media (max-width: 900px) {
  .workspace {
    flex-direction: column;
    height: auto;
    min-height: 0;
    flex: 1;
  }

  .panel-table {
    flex: 0 0 auto;
    width: 100%;
    max-height: 45vh;
    border-bottom: 1px solid var(--line);
  }

  .panel-gantt {
    flex: 1 1 auto;
    min-height: 40vh;
    width: 100%;
  }

  .panel-splitter {
    flex: 0 0 6px;
    width: 100%;
    height: 6px;
    cursor: row-resize;
  }

  .panel-splitter::after {
    width: 2rem;
    height: 2px;
  }

  .workspace.table-collapsed .btn-expand-table,
  .workspace.gantt-collapsed .btn-expand-gantt {
    writing-mode: horizontal-tb;
    transform: none;
    flex: 0 0 2rem;
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--line);
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
    height: auto;
    padding: 0.65rem 1rem;
  }

  :root {
    --topbar-h: auto;
  }

  .brand {
    margin-bottom: 0.35rem;
  }
}

/* Print / PDF — keep the on-screen split layout (tasks left, Gantt right). */
@media print {
  @page {
    size: landscape;
    margin: 10mm;
  }

  html,
  body {
    background: #fff !important;
    color: #1a2b34 !important;
  }

  .topbar-actions,
  .export-menu,
  .btn,
  #btn-toggle-resources,
  .resources-panel,
  .projects-panel,
  .settings-panel,
  .modal,
  .folder-bar,
  .toast,
  .gantt-hover-tip,
  .gantt-handle,
  .col-actions,
  .col-drag,
  .col-select,
  .is-draft,
  .row-insert,
  .panel-toolbar,
  .panel-splitter,
  .btn-expand-rail {
    display: none !important;
  }

  .app {
    display: flex;
    flex-direction: column;
    height: auto;
    overflow: visible;
  }

  .topbar,
  .project-bar {
    position: static;
    background: #fff !important;
    border: none;
    color: #1a2b34 !important;
    padding: 0 0 0.4rem;
    flex-shrink: 0;
  }

  .workspace {
    display: flex !important;
    flex-direction: row !important;
    align-items: stretch !important;
    height: auto !important;
    min-height: 0 !important;
    overflow: visible !important;
    flex: 1 1 auto;
  }

  .panel {
    border: none;
    overflow: visible !important;
    background: #fff !important;
    min-height: 0 !important;
  }

  .panel-table,
  .workspace.table-collapsed .panel-table {
    display: flex !important;
    flex: 0 0 var(--split-percent) !important;
    width: var(--split-percent) !important;
    max-height: none !important;
    margin-bottom: 0 !important;
    border-right: 1px solid #cfd8de !important;
  }

  .panel-gantt,
  .workspace.gantt-collapsed .panel-gantt {
    display: flex !important;
    flex: 1 1 auto !important;
    width: auto !important;
    min-height: 0 !important;
    background: #fff !important;
  }

  .workspace.table-collapsed .panel-splitter,
  .workspace.gantt-collapsed .panel-splitter,
  .workspace.table-collapsed .btn-expand-table,
  .workspace.gantt-collapsed .btn-expand-gantt {
    display: none !important;
  }

  .panel-scroll,
  .gantt-host,
  .gantt-root,
  .gantt-scroll {
    overflow: visible !important;
    height: auto !important;
    max-height: none !important;
    flex: 0 0 auto !important;
    min-height: 0 !important;
  }

  .gantt-canvas {
    transform-origin: top left;
  }

  .task-table th {
    position: static;
    background: #f1f5f7 !important;
    color: #5a6f7a !important;
  }

  .task-table,
  .task-table input,
  .task-table select,
  .gantt-bar-label,
  .gantt-bar-date {
    color: #1a2b34 !important;
  }

  .brand-name::after {
    content: " — " attr(data-print-title);
  }
}