/* ============================================================
   蓋然 WBS — design tokens
   Blueprint drafting theme: precision, structure, uncertainty
   resolved line by line, like ink on a drafting sheet.
   ============================================================ */
:root {
  --paper: #0F2A4A;        /* blueprint background */
  --paper-raised: #14335A; /* panel background, one step up */
  --grid-line: #1D4372;    /* faint drafting grid */
  --rule: #2C5588;         /* structural rule / border */
  --ink: #EAF2FF;          /* primary text, near-white blue */
  --ink-dim: #93AFD1;      /* secondary text */
  --ink-faint: #5E7DA3;    /* tertiary / placeholder */
  --accent: #7FD1E8;       /* cyan drafting accent, links/focus */
  --amber: #E8A33D;        /* 仮説 = tentative, hand-drawn */
  --green: #6FCF97;        /* 完了 = resolved */
  --red: #E36464;          /* danger */
  --review: #C792EA;       /* review markers — distinct from status/critical-path colors */

  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --font-sans: 'IBM Plex Sans JP', 'Hiragino Sans', sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
}
body {
  min-height: 100vh;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
  background-attachment: fixed;
}
.hidden { display: none !important; }
button { font-family: inherit; cursor: pointer; }
textarea, input, select { font-family: inherit; }
::selection { background: var(--accent); color: var(--paper); }

/* ---------------- scrollbars ---------------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 5px; }

/* ================= AUTH SCREEN ================= */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  padding: 40px 32px;
  position: relative;
}
.auth-card::before {
  content: '';
  position: absolute;
  top: 10px; left: 10px; right: 10px; bottom: 10px;
  border: 1px dashed var(--rule);
  pointer-events: none;
}
.auth-brand { text-align: center; margin-bottom: 32px; }
.auth-mark {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--accent);
  margin-bottom: 10px;
}
.auth-title {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}
.auth-sub {
  font-size: 12px;
  color: var(--ink-dim);
  line-height: 1.6;
}
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-form label, .modal-card label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--ink-dim);
  margin-bottom: 14px;
}
.auth-form input, .modal-card input[type="password"], .modal-card input[type="text"] {
  background: var(--paper);
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 10px 12px;
  font-size: 14px;
}
.auth-form input:focus, .modal-card input:focus { outline: none; border-color: var(--accent); }
.auth-note { font-size: 12px; color: var(--amber); margin: 0 0 4px; }
.auth-error { font-size: 12px; color: var(--red); min-height: 16px; }

.btn-primary {
  background: var(--accent);
  color: var(--paper);
  border: none;
  padding: 11px;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.03em;
  margin-top: 6px;
}
.btn-primary:hover { filter: brightness(1.1); }

/* ================= APP LAYOUT ================= */
.app { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--rule);
  background: rgba(15, 42, 74, 0.9);
  backdrop-filter: blur(4px);
  position: sticky;
  top: 0;
  z-index: 10;
  gap: 16px;
  flex-wrap: wrap;
}
.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.brand-mark {
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.25em;
  font-size: 13px;
  margin-right: 6px;
}
.project-select {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 7px 10px;
  font-size: 13px;
  min-width: 160px;
}
.icon-btn {
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink-dim);
  padding: 7px 10px;
  font-size: 12px;
  white-space: nowrap;
}
.icon-btn:hover { border-color: var(--accent); color: var(--ink); }
.icon-btn.danger:hover { border-color: var(--red); color: var(--red); }

.view-toggle {
  display: flex;
  border: 1px solid var(--rule);
  overflow: hidden;
  margin-left: 4px;
}
.view-toggle-btn {
  background: transparent;
  border: none;
  color: var(--ink-dim);
  padding: 7px 12px;
  font-size: 12px;
  font-family: var(--font-mono);
}
.view-toggle-btn.active {
  background: var(--accent);
  color: var(--paper);
  font-weight: 600;
}
.view-toggle-btn:not(.active):hover { color: var(--ink); }

.username-display {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
}

.progress-wrap { display: flex; flex-direction: column; gap: 4px; min-width: 160px; }
.progress-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  text-align: right;
}
.progress-bar {
  width: 160px;
  height: 6px;
  background: var(--rule);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--green);
  transition: width 0.25s ease;
}
.progress-fill.agreement { background: var(--accent); }

/* ================= MAIN SPLIT ================= */
.main-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 340px 1fr;
  min-height: 0;
}
@media (max-width: 860px) {
  .main-layout { grid-template-columns: 1fr; }
}

.tree-pane {
  border-right: 1px solid var(--rule);
  padding: 16px;
  overflow-y: auto;
  background: rgba(20, 51, 90, 0.35);
}
.tree-pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--rule);
}
.tree-empty {
  font-size: 12px;
  color: var(--ink-faint);
  line-height: 1.8;
  padding: 20px 4px;
}

/* ---- tree nodes: connectors are structural, not decorative ---- */
.tree-root { display: flex; flex-direction: column; }
.tree-children {
  display: flex;
  flex-direction: column;
  margin-left: 18px;
  border-left: 1px solid var(--rule);
  padding-left: 14px;
}
.tree-node { position: relative; }
.tree-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  cursor: pointer;
  border: 1px solid transparent;
  font-size: 13px;
}
.tree-row:hover { background: rgba(127, 209, 232, 0.08); }
.tree-row.selected {
  background: rgba(127, 209, 232, 0.14);
  border-color: var(--accent);
}
.tree-toggle {
  width: 18px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 11px;
  flex-shrink: 0;
  text-align: center;
  padding: 4px 0;
}
.tree-toggle.has-children {
  color: var(--accent);
  cursor: pointer;
}
.tree-toggle.has-children:hover { color: var(--ink); }

.tree-drag-handle {
  width: 18px;
  flex-shrink: 0;
  text-align: center;
  color: var(--ink-faint);
  font-size: 13px;
  cursor: grab;
  touch-action: none;
  padding: 4px 2px;
}
.tree-drag-handle:hover { color: var(--accent); }
.tree-drag-handle:active { cursor: grabbing; }

.tree-row.dragging-source { opacity: 0.4; }
.tree-row.drag-over-top { box-shadow: inset 0 2px 0 0 var(--accent); }
.tree-row.drag-over-bottom { box-shadow: inset 0 -2px 0 0 var(--accent); }
.tree-status-mark {
  width: 9px; height: 9px;
  flex-shrink: 0;
  border: 1.5px solid var(--ink-faint);
}
.tree-status-mark.not_started { border-color: var(--ink-faint); background: transparent; }
.tree-status-mark.in_progress { border-style: dashed; border-color: var(--amber); }
.tree-status-mark.in_review { border-color: var(--accent); background: transparent; }
.tree-status-mark.done { border-color: var(--green); background: var(--green); }

.tree-agreement-mark {
  width: 3px;
  align-self: stretch;
  flex-shrink: 0;
  margin-right: 2px;
}
.tree-agreement-mark.hypothesis { background: var(--amber); opacity: 0.55; }
.tree-agreement-mark.fixed { background: var(--green); }

.tree-aggregate {
  display: flex;
  height: 8px;
  width: 34px;
  flex-shrink: 0;
  border: 1px solid var(--rule);
  overflow: hidden;
}
.tree-aggregate span { display: block; height: 100%; }
.tree-aggregate span.not_started { background: var(--ink-faint); }
.tree-aggregate span.in_progress { background: var(--amber); }
.tree-aggregate span.in_review { background: var(--accent); }
.tree-aggregate span.done { background: var(--green); }

.tree-review-badge {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 5px;
  border: 1px solid var(--review);
  color: var(--review);
  white-space: nowrap;
}
.tree-review-badge.review-today { background: var(--review); color: var(--paper); font-weight: 700; }
.tree-review-badge.review-overdue { border-color: var(--red); color: var(--red); }
.tree-row-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink);
}
.tree-row-title.empty { color: var(--ink-faint); font-style: italic; }
.tree-add-child {
  opacity: 0.55;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 4px 6px;
  flex-shrink: 0;
}
.tree-row:hover .tree-add-child { opacity: 1; }
.tree-add-child:hover, .tree-add-child:active { color: var(--accent); opacity: 1; }

/* ================= DETAIL PANE ================= */
.detail-pane {
  padding: 28px 36px;
  overflow-y: auto;
}
.detail-empty {
  color: var(--ink-faint);
  font-size: 13px;
  margin-top: 60px;
  text-align: center;
}
.detail-toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--rule);
}
.detail-row.detail-title-row {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}
.field-title {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 1px solid transparent;
  color: var(--ink);
  font-size: 20px;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 4px 2px;
}
.field-title:focus { outline: none; border-bottom-color: var(--accent); }
.field-title::placeholder { color: var(--ink-faint); font-weight: 400; }

.field-status {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 6px 10px;
  font-size: 12px;
  align-self: center;
}
.field-agreement-state {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  color: var(--ink-dim);
  padding: 6px 10px;
  font-size: 12px;
  align-self: center;
  font-family: var(--font-mono);
}
.field-agreement-state.state-hypothesis { border-color: var(--amber); color: var(--amber); }
.field-agreement-state.state-fixed { border-color: var(--green); color: var(--green); }

.date-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--rule);
}
@media (max-width: 640px) {
  .date-grid { grid-template-columns: 1fr 1fr; }
}
.date-grid input[type="date"] {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 8px 10px;
  font-size: 12px;
  font-family: var(--font-mono);
  color-scheme: dark;
}
.date-grid input[type="date"]:focus { outline: none; border-color: var(--accent); }

.review-section {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--rule);
}
.review-row {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.review-row input[type="date"] {
  background: var(--paper-raised);
  border: 1px solid var(--review);
  color: var(--ink);
  padding: 8px 10px;
  font-size: 12px;
  font-family: var(--font-mono);
  color-scheme: dark;
  flex-shrink: 0;
}
.review-row input[type="text"] {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 8px 10px;
  font-size: 13px;
  flex: 1;
  min-width: 160px;
}
.review-row input:focus { outline: none; border-color: var(--accent); }

.detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}.field-block { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.field-hint { color: var(--ink-faint); font-family: var(--font-sans); font-size: 11px; font-weight: 400; }
.field-block textarea {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.6;
  resize: vertical;
}
.field-block textarea:focus { outline: none; border-color: var(--accent); }

/* ================= DEPENDENCY SECTION ================= */
.dependency-section {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px dashed var(--rule);
}
.dependency-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0;
}
.dependency-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  padding: 5px 6px 5px 10px;
  font-size: 12px;
  color: var(--ink);
}
.dependency-chip.critical { border-color: var(--red); color: var(--red); }
.dependency-chip-remove {
  background: transparent;
  border: none;
  color: var(--ink-faint);
  font-size: 13px;
  padding: 2px 4px;
  line-height: 1;
}
.dependency-chip-remove:hover { color: var(--red); }
.dependency-chip-empty {
  font-size: 12px;
  color: var(--ink-faint);
  font-style: italic;
}
.dependency-add-row select {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 7px 10px;
  font-size: 12px;
  width: 100%;
  max-width: 340px;
}
.dependency-add-row select:focus { outline: none; border-color: var(--accent); }
.dependency-violation-notice {
  margin-top: 8px;
  font-size: 12px;
  color: var(--amber);
  background: rgba(232, 163, 61, 0.1);
  border: 1px solid var(--amber);
  padding: 8px 10px;
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px dashed var(--rule);
}
.btn-secondary {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 9px 14px;
  font-size: 12px;
}
.btn-secondary:hover { background: rgba(127, 209, 232, 0.1); }
.btn-danger {
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink-faint);
  padding: 9px 14px;
  font-size: 12px;
}
.btn-danger:hover { border-color: var(--red); color: var(--red); }
.save-indicator {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  margin-left: auto;
}

/* ================= GANTT ================= */
.gantt-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--paper); /* solid, so the page's blueprint grid doesn't show through and clash with the gantt's own day grid */
}
.gantt-toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--rule);
  flex-wrap: wrap;
}
.gantt-hint {
  font-size: 11px;
  color: var(--ink-faint);
}
.gantt-scroll {
  flex: 1;
  overflow: auto;
  position: relative;
}
.gantt-inner {
  position: relative;
}

.gantt-row-labels {
  position: sticky;
  left: 0;
  z-index: 3;
}

.gantt-header {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.gantt-header-label-spacer {
  position: sticky;
  left: 0;
  z-index: 5;
  width: 220px;
  flex-shrink: 0;
  background: var(--paper);
  border-right: 1px solid var(--rule);
}
.gantt-header-days {
  display: flex;
}
.gantt-day-header {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-faint);
  text-align: center;
  padding: 4px 0;
  border-right: 1px solid var(--grid-line);
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.gantt-day-header.today { color: var(--accent); font-weight: 700; }
.gantt-day-header.today .gantt-date-num { color: var(--accent); }
.gantt-day-header.month-start { border-left: 1px solid var(--rule); }
.gantt-day-header.weekend-sat .gantt-dow { color: #6FA8DC; }
.gantt-day-header.weekend-sun .gantt-dow { color: var(--red); }
.gantt-day-header .gantt-month-label {
  display: block;
  font-size: 9px;
  color: var(--ink-faint);
}
.gantt-day-header .gantt-dow {
  font-size: 9px;
  letter-spacing: 0.02em;
}
.gantt-day-header .gantt-date-num {
  font-size: 11px;
  color: var(--ink);
}

.gantt-body { position: relative; }
.gantt-row {
  display: flex;
  align-items: center;
  height: 34px;
  border-bottom: 1px solid var(--grid-line);
}
.gantt-row-label {
  position: sticky;
  left: 0;
  z-index: 2;
  width: 220px;
  flex-shrink: 0;
  background: var(--paper);
  border-right: 1px solid var(--rule);
  padding: 0 10px;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 6px;
}
.gantt-row-label-indent { flex-shrink: 0; }
.gantt-row-track {
  position: relative;
  height: 100%;
  flex: 1;
}
.gantt-grid-col {
  position: absolute;
  top: 0;
  bottom: 0;
  border-right: 1px solid var(--grid-line);
}
.gantt-grid-col.today-line {
  border-right: 1.5px solid var(--accent);
  z-index: 1;
}
.gantt-grid-col.weekend { background: rgba(0,0,0,0.16); }

.gantt-bar {
  position: absolute;
  top: 6px;
  height: 22px;
  background: var(--paper-raised);
  border: 1.5px solid var(--accent);
  display: flex;
  align-items: center;
  padding: 0 8px;
  font-size: 11px;
  color: var(--ink);
  overflow: hidden;
  white-space: nowrap;
  cursor: grab;
  user-select: none;
  touch-action: none;
}
.gantt-bar.status-not_started { border-color: var(--ink-faint); }
.gantt-bar.status-in_progress { border-color: var(--amber); }
.gantt-bar.status-in_review { border-color: var(--accent); }
.gantt-bar.status-done { border-color: var(--green); background: rgba(111, 207, 151, 0.18); }
.gantt-bar.dragging { cursor: grabbing; z-index: 6; box-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.gantt-bar.critical-path {
  border-color: var(--red);
  border-width: 2px;
  box-shadow: 0 0 0 1px rgba(227, 100, 100, 0.35);
}

.gantt-dependency-layer {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 3;
}
.gantt-dependency-arrow {
  fill: none;
  stroke: var(--ink-faint);
  stroke-width: 1.5;
}
.gantt-dependency-arrow.critical {
  stroke: var(--red);
  stroke-width: 2.5;
}
.gantt-dependency-arrowhead {
  fill: var(--ink-faint);
}
.gantt-dependency-arrowhead.critical {
  fill: var(--red);
}

.gantt-legend {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--red);
  margin-left: auto;
}
.gantt-legend-swatch {
  width: 16px;
  height: 3px;
  background: var(--red);
  display: inline-block;
}
.gantt-bar-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 12px;
  cursor: ew-resize;
  touch-action: none;
}
.gantt-bar-handle.left { left: 0; }
.gantt-bar-handle.right { right: 0; }

.gantt-empty-track {
  height: 100%;
  cursor: crosshair;
  touch-action: none;
}
.gantt-draft-bar {
  position: absolute;
  top: 6px;
  height: 22px;
  background: rgba(127, 209, 232, 0.3);
  border: 1.5px dashed var(--accent);
  pointer-events: none;
}

.gantt-review-marker {
  position: absolute;
  top: 3px;
  width: 12px;
  height: 12px;
  background: var(--review);
  border: 1.5px solid var(--paper);
  transform: rotate(45deg);
  z-index: 4;
  cursor: help;
}
.gantt-review-marker.review-overdue { background: var(--red); }

/* ================= AUTH: reset / recovery code ================= */
.auth-link-btn {
  background: transparent;
  border: none;
  color: var(--ink-faint);
  font-size: 12px;
  text-decoration: underline;
  padding: 4px 0;
  margin-top: 2px;
  align-self: center;
}
.auth-link-btn:hover { color: var(--accent); }

.recovery-warning { color: var(--amber); }

.recovery-code-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--paper);
  border: 1px solid var(--accent);
  padding: 14px 12px;
  margin: 6px 0 14px;
}
.recovery-code-box code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--ink);
  word-break: break-all;
}

.recovery-confirm-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-dim);
  margin-bottom: 14px;
  cursor: pointer;
}
.recovery-confirm-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.recovery-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 20px;
  background: rgba(232, 163, 61, 0.12);
  border-bottom: 1px solid var(--amber);
  font-size: 12px;
  color: var(--amber);
  flex-wrap: wrap;
}

/* ================= MODAL ================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 16, 30, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}
.modal-card {
  width: 100%;
  max-width: 400px;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  padding: 28px 24px;
}
.modal-title {
  font-family: var(--font-mono);
  font-size: 15px;
  margin: 0 0 12px;
  color: var(--ink);
}
.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}
.modal-actions .btn-secondary, .modal-actions .btn-primary { flex: 1; }

/* ================= SHARING (roles / share codes / members) ================= */
.role-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border: 1px solid var(--rule);
  color: var(--ink-dim);
  white-space: nowrap;
}
.role-badge.role-owner { border-color: var(--green); color: var(--green); }
.role-badge.role-editor { border-color: var(--accent); color: var(--accent); }
.role-badge.role-viewer { border-color: var(--ink-faint); color: var(--ink-faint); }

.share-issue-row {
  display: flex;
  gap: 8px;
  margin: 10px 0;
}
.share-issue-row select {
  flex: 1;
}
#share-issue-result { margin-bottom: 10px; }

.share-members-section {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}
.share-members-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
  margin-top: 8px;
}
.share-member-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--grid-line);
  font-size: 13px;
}
.share-member-name {
  flex: 1;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.share-member-role-select {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 6px;
}
.share-member-remove {
  background: none;
  border: 1px solid var(--rule);
  color: var(--red);
  font-size: 12px;
  padding: 3px 8px;
  cursor: pointer;
}
.share-member-remove:hover { border-color: var(--red); }

/* Read-only mode: applied to the whole app root when the current WBS role is viewer */
.app.role-readonly .detail-toolbar,
.app.role-readonly .detail-actions .btn-secondary,
.app.role-readonly .detail-actions .btn-danger,
.app.role-readonly #add-root-btn,
.app.role-readonly .tree-add-child,
.app.role-readonly .tree-drag-handle,
.app.role-readonly .dependency-add-row,
.app.role-readonly .dependency-chip-remove {
  display: none !important;
}
.app.role-readonly input,
.app.role-readonly textarea,
.app.role-readonly select {
  pointer-events: none;
  opacity: 0.75;
}