/* ────────────────────────────────────────────────────────────────
   canvas.css — Card-based org chart canvas and toolbar
   ──────────────────────────────────────────────────────────────── */

/* ── Outer shell ──────────────────────────────────────────────── */
#canvas-area {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: var(--bg);
}

/* Background dot-grid for visual depth */
#canvas-area::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

/* ── Viewport (D3 zoom target) ────────────────────────────────── */
#canvas-viewport {
  position: absolute;
  inset: 0;
  cursor: grab;
  overflow: hidden;
  z-index: 1;
}
#canvas-viewport:active { cursor: grabbing; }

/* ── World (D3-transformed inner container) ───────────────────── */
#canvas-world {
  position: absolute;
  top: 0;
  left: 0;
  width: 4800px;
  height: 3600px;
  transform-origin: 0 0;
  /* No will-change here — promoting this layer causes the browser to
     rasterize it at its natural resolution and then scale the bitmap,
     producing pixelated text when zoomed in. Let the browser re-composite
     on each frame so text stays vector-sharp at any zoom level. */
}

/* ═══════════════════════════════════════════════════════════════
   PARENT CATEGORIES (3-level hierarchy outer container)
   ═══════════════════════════════════════════════════════════════ */

.parent-category {
  position: absolute;
  min-width: 400px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.15s, border-color 0.15s;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
  user-select: none;
}

.parent-category:hover {
  border-color: var(--border2);
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.45);
}

.parent-category.selected {
  border-color: var(--accent);
  box-shadow:
    0 0 0 2px rgba(88, 166, 255, 0.2),
    0 6px 28px rgba(0, 0, 0, 0.45);
}

.parent-category.dragging {
  opacity: 0.88;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
  z-index: 20;
}

/* ── Parent Category Header ──────────────────────────────────── */
.parent-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 12px;
  cursor: grab;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}
.parent-category-header:active { cursor: grabbing; }

.parent-category-color-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.parent-category-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.parent-category-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.parent-category-lead {
  font-size: 10px;
  color: var(--purple);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: rgba(188, 140, 255, 0.15);
  border: 1px solid rgba(188, 140, 255, 0.3);
  border-radius: 100px;
  padding: 3px 10px;
}
.parent-category-lead::before {
  content: '★';
  margin-right: 4px;
  font-size: 8px;
}
.parent-category-lead .lead-role {
  display: block;
  font-size: 9px;
  font-weight: 500;
  color: rgba(188, 140, 255, 0.7);
  text-transform: none;
  letter-spacing: 0;
  margin-top: 1px;
}

.parent-category-drag-handle {
  flex-shrink: 0;
  color: var(--text3);
  font-size: 14px;
  letter-spacing: 2px;
  opacity: 0.6;
  cursor: grab;
}
.parent-category-drag-handle:active { cursor: grabbing; }

.parent-category-menu-btn {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text3);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s, color 0.12s;
}
.parent-category-menu-btn:hover {
  background: var(--surface2);
  color: var(--text);
}

/* ── Parent Category Body ────────────────────────────────────── */
.parent-category-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ═══════════════════════════════════════════════════════════════
   SUB-CATEGORIES (nested inside parent categories)
   ═══════════════════════════════════════════════════════════════ */

.sub-category {
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  overflow: hidden;
}

.sub-category-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
}

.sub-category-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sub-cat-color, var(--accent));
  opacity: 0.9;
}

.sub-category-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text2);
  flex: 1;
}

.sub-category-lead {
  font-size: 9px;
  color: var(--purple);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: rgba(188, 140, 255, 0.15);
  border: 1px solid rgba(188, 140, 255, 0.3);
  border-radius: 100px;
  padding: 2px 8px;
  margin-left: auto;
}
.sub-category-lead::before {
  content: '★';
  margin-right: 3px;
  font-size: 7px;
}
.sub-category-lead .lead-role {
  display: block;
  font-size: 8px;
  font-weight: 500;
  color: rgba(188, 140, 255, 0.7);
  text-transform: none;
  letter-spacing: 0;
  margin-top: 1px;
}

.sub-category-count {
  font-size: 10px;
  color: var(--text3);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  padding: 2px 8px;
}

/* ── Sub-category Groups Wrapper ─────────────────────────────── */
.category-groups-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px;
  align-items: flex-start;
}

/* Group cards inside categories need position:relative, not absolute */
.category-groups-wrap .team-card {
  position: relative;
  transform: none !important;
  cursor: pointer;
}

.category-groups-wrap .team-card:hover {
  border-color: var(--accent);
}

/* ═══════════════════════════════════════════════════════════════
   TEAM CARDS
   ═══════════════════════════════════════════════════════════════ */

.team-card {
  position: absolute;
  /* Width grows to fit subgroup cards; min keeps single-column groups tidy */
  min-width: 300px;
  max-width: 900px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.15s, border-color 0.15s, opacity 0.12s;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
  user-select: none;
}

.team-card:hover {
  border-color: var(--border2);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
}

.team-card.selected {
  border-color: var(--accent);
  box-shadow:
    0 0 0 2px rgba(88, 166, 255, 0.2),
    0 6px 24px rgba(0, 0, 0, 0.45);
}

.team-card.dragging {
  opacity: 0.88;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
  z-index: 20;
}

/* ── Top colour accent bar ────────────────────────────────────── */
.team-color-bar {
  height: 4px;
  width: 100%;
  flex-shrink: 0;
}

/* ── Card header ──────────────────────────────────────────────── */
.team-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 11px 12px 10px;
  cursor: grab;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}
.team-card-header:active { cursor: grabbing; }

.team-header-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.team-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.team-meta {
  font-size: 11px;
  color: var(--text3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.team-menu-btn {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text3);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: background 0.12s, color 0.12s;
}
.team-menu-btn:hover {
  background: var(--surface2);
  color: var(--text);
}

/* ═══════════════════════════════════════════════════════════════
   CARD BODY, LEAD ROW & SUBGROUP MINI-CARDS
   ═══════════════════════════════════════════════════════════════ */

.card-body {
  display: flex;
  flex-direction: column;
}

/* Group-level members (typically the group lead) above the subgroup row */
.group-lead-row {
  display: flex;
  flex-direction: column;
  padding: 6px 8px 0;
  border-bottom: 1px solid var(--border);
}

/* Flex-wrap container that holds the subgroup mini-cards side by side */
.subgroup-cards-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  align-items: flex-start;
}

/* ── Subgroup mini-card ─────────────────────────────────────── */
.subgroup-card {
  /* Each mini-card has a fixed width; they wrap to the next row when needed */
  width: 240px;
  flex-shrink: 0;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

/* Mini-card header: coloured dot · subgroup name · lead badge */
.subgroup-card-header {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 9px 6px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}

.subgroup-dot {
  flex-shrink: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sg-color, var(--accent));
  opacity: 0.9;
}

.subgroup-card-name {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.055em;
  color: var(--text2);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.subgroup-card-lead {
  font-size: 9.5px;
  color: var(--text3);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  padding: 1px 6px;
  white-space: nowrap;
  flex-shrink: 0;
  max-width: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ═══════════════════════════════════════════════════════════════
   MEMBER GRID + PERSON CARDS
   ═══════════════════════════════════════════════════════════════ */

.member-grid {
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

/* ── Person card ────────────────────────────────────────────────*/
.person-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 9px;
  border-radius: var(--radius);
  background: transparent;
  transition: background 0.1s;
  cursor: default;
  border-left: 2px solid transparent;
}
.person-card:hover {
  background: rgba(255, 255, 255, 0.04);
}

/* Lead gets enhanced styling */
.person-card.is-lead {
  border-left-color: var(--purple);
  border-left-width: 3px;
  background: rgba(188, 140, 255, 0.08);
  position: relative;
}
.person-card.is-lead:hover {
  background: rgba(188, 140, 255, 0.14);
}

/* Lead avatar gets a ring */
.person-card.is-lead .person-avatar {
  box-shadow: 0 0 0 2px var(--purple);
}

/* ── Avatar ─────────────────────────────────────────────────────*/
.person-avatar {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0.3px;
}

/* ── Person text block ──────────────────────────────────────────*/
.person-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  flex: 1;
}

.person-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.35;
}

.lead-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-left: 6px;
  padding: 1px 6px;
  background: rgba(188, 140, 255, 0.2);
  border: 1px solid rgba(188, 140, 255, 0.4);
  border-radius: 10px;
  font-size: 9px;
  font-weight: 600;
  color: var(--purple);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

.person-title {
  font-size: 11px;
  color: var(--text2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.person-dept {
  display: inline-block;
  margin-top: 2px;
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--text3);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 1px 5px;
  white-space: nowrap;
}

.person-reports-to {
  font-size: 10px;
  color: var(--text3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
  font-style: italic;
}

/* ── Empty-member state ─────────────────────────────────────────*/
.member-empty {
  padding: 14px 10px;
  font-size: 11px;
  color: var(--text3);
  text-align: center;
  font-style: italic;
}

/* ═══════════════════════════════════════════════════════════════
   FLOATING ACTION BUTTONS
   ═══════════════════════════════════════════════════════════════ */

.canvas-actions {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: flex;
  gap: 8px;
  z-index: 10;
}

.canvas-add-btn {
  padding: 10px 16px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}

.canvas-add-btn:hover {
  background: var(--surface2);
  border-color: var(--border2);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

.canvas-add-btn:active {
  transform: translateY(0);
}

.canvas-add-group-btn {
  background: var(--accent2);
  color: #fff;
  border-color: var(--accent2);
}

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

.canvas-add-category-btn {
  background: var(--surface);
  color: var(--accent);
  border-color: var(--accent);
}

.canvas-add-category-btn:hover {
  background: rgba(88, 166, 255, 0.1);
}

/* ═══════════════════════════════════════════════════════════════
   CATEGORY CONTEXT MENU
   ═══════════════════════════════════════════════════════════════ */

.category-ctx-menu .ctx-item {
  padding: 8px 14px;
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.1s;
}

.category-ctx-menu .ctx-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

.category-ctx-menu .ctx-item:first-child {
  border-radius: 6px 6px 0 0;
}

.category-ctx-menu .ctx-item:last-child {
  border-radius: 0 0 6px 6px;
}