/* ========================================
   Design System — SaaS Project Manager v2
   ======================================== */

:root {
  /* ---- Palette ---- */
  --pri:  #4f46e5;
  --prih: #4338ca;
  --pril: #eef2ff;
  --prib: #c7d2fe;
  --ok:   #059669;
  --okl:  #ecfdf5;
  --wn:   #d97706;
  --wnl:  #fffbeb;
  --err:  #dc2626;
  --errl: #fef2f2;
  --info: #0891b2;
  --infol:#ecfeff;

  /* ---- Surfaces ---- */
  --bg:   #f6f7f9;
  --sf:   #ffffff;
  --sbg:  #0f172a;
  --sh:   #1e293b;
  --sa:   #6366f1;
  --saf:  #818cf8;
  --st:   #94a3b8;
  --sto:  #f1f5f9;

  /* ---- Text ---- */
  --t1:   #0f172a;
  --t2:   #475569;
  --t3:   #94a3b8;

  /* ---- Borders ---- */
  --bd:   #e2e8f0;
  --bd2:  #cbd5e1;

  /* ---- Radius ---- */
  --r:    8px;
  --rl:   12px;
  --rx:   16px;

  /* ---- Shadows ---- */
  --ssm:  0 1px 2px rgba(0,0,0,.04);
  --smd:  0 4px 12px rgba(0,0,0,.06);
  --slg:  0 12px 32px rgba(0,0,0,.08);

  /* ---- Layout ---- */
  --sw:   240px;
}

/* ==============================
   Reset & Base
   ============================== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  background: var(--bg);
  color: var(--t1);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}
#app { display:flex; min-height:100vh; }

/* focus ring */
input:focus-visible, select:focus-visible, textarea:focus-visible,
button:focus-visible { outline: 2px solid var(--pri); outline-offset: 1px; }

/* scrollbar */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--bd2); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--t3); }

/* ==============================
   Sidebar
   ============================== */
.sidebar {
  width: var(--sw);
  background: var(--sbg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 100;
}
.main { flex:1; margin-left:var(--sw); display:flex; flex-direction:column; min-height:100vh; }
.content { flex:1; padding:24px 28px; overflow-y:auto; overflow-x:hidden; min-width:0; }

.sidebar-header {
  padding: 22px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.logo {
  display: flex; align-items: center; gap: 10px;
  color: #f1f5f9; font-size: 17px; font-weight: 700;
}
.logo svg { color: var(--sa); }
.sidebar-nav { flex:1; padding: 8px 10px 12px; overflow-y:auto; }
.nav-section { margin-bottom: 20px; }
.nav-section-title {
  font-size: 10px; text-transform: uppercase; letter-spacing: .8px;
  color: #475569; padding: 8px 14px 4px; font-weight: 700;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: var(--r);
  color: var(--st); cursor: pointer; font-size: 13px;
  transition: all .15s; margin-bottom: 1px; font-weight: 500;
}
.nav-item:hover { background: var(--sh); color: var(--sto); }
.nav-item.active {
  background: var(--sa); color: #fff; font-weight: 600;
  box-shadow: 0 2px 8px rgba(99,102,241,.35);
}
.nav-item svg { flex-shrink:0; opacity:.75; }
.nav-item.active svg { opacity:1; }
.nav-sub-items {
  padding-left: 12px; border-left: 1px solid rgba(255,255,255,.08);
  margin: 4px 0 4px 24px;
}
.nav-item-primary { font-size: 14px; font-weight: 600; }
.nav-item-secondary { font-size: 13px; color: var(--st); padding: 8px 12px; }

.sidebar-footer {
  padding: 14px 16px; border-top: 1px solid rgba(255,255,255,.06);
}
.team-info { display:flex; align-items:center; gap:10px; }
.team-avatar {
  width:36px; height:36px; border-radius: var(--r);
  background: var(--sa); display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:13px; font-weight:600;
}
.team-name { color:#e2e8f0; font-size:13px; font-weight:600; }
.team-meta { font-size:11px; color:#64748b; }

/* sidebar user */
.sidebar-user { display:flex; align-items:center; gap:8px; font-size:13px; color:var(--st); }
.su-avatar {
  display:inline-flex; width:28px; height:28px; border-radius:50%;
  background:var(--sa); color:#fff; align-items:center;
  justify-content:center; font-size:12px; font-weight:600; flex-shrink:0;
}
.su-name { flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.su-logout { color:var(--st); text-decoration:none; font-size:11px; flex-shrink:0; opacity:.6; transition:opacity .15s; }
.su-logout:hover { opacity:1; color:#fff; }

/* ==============================
   Topbar
   ============================== */
.topbar {
  background: var(--sf);
  border-bottom: 1px solid var(--bd);
  padding: 0 28px; height: 60px;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 50;
}
.topbar-left { display:flex; align-items:center; gap:12px; }
.view-title { font-size:18px; font-weight:700; color:var(--t1); }
.view-subtitle { font-size:13px; color:var(--t2); }
.topbar-right { display:flex; align-items:center; gap:12px; }
.search-box { position:relative; display:flex; align-items:center; }
.search-box svg { position:absolute; left:12px; color:var(--t3); }
.search-box input {
  padding: 8px 14px 8px 36px;
  border: 1.5px solid var(--bd); border-radius: var(--r);
  font-size: 13px; width: 240px; outline: none;
  background: var(--bg); transition: all .15s;
}
.search-box input:focus { border-color: var(--pri); background: var(--sf); box-shadow: 0 0 0 3px rgba(79,70,229,.08); }
.user-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--pri); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; cursor: pointer;
  transition: transform .15s;
}
.user-avatar:hover { transform: scale(1.08); }

/* ==============================
   Buttons
   ============================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 18px; border-radius: var(--r);
  font-size: 14px; font-weight: 600; border: 1.5px solid var(--bd2);
  background: var(--sf); color: var(--t1); cursor: pointer;
  transition: all .15s; white-space: nowrap; line-height: 1.4;
}
.btn:hover { background: #f1f5f9; border-color: var(--t3); }
.btn-primary {
  background: var(--pri); border-color: var(--pri); color: #fff;
}
.btn-primary:hover {
  background: var(--prih); border-color: var(--prih);
  box-shadow: 0 4px 12px rgba(79,70,229,.3);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }
.btn-sm { padding:6px 14px; font-size:12px; border-radius:6px; }
.btn-ghost { border-color: transparent; background: transparent; color: var(--t2); }
.btn-ghost:hover { background: #f1f5f9; color: var(--t1); }
.btn-danger { color: var(--err); border-color: var(--err); }
.btn-danger:hover { background: var(--errl); }

/* ==============================
   Badges
   ============================== */
.badge {
  display: inline-flex; align-items: center;
  padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600;
}
.badge-p0 { background:#fee2e2; color:#991b1b; }
.badge-p1 { background:#fed7aa; color:#9a3412; }
.badge-p2 { background:#fef9c3; color:#854d0e; }
.badge-p3 { background:#e0e7ff; color:#3730a3; }
.type-tag {
  display: inline-flex; align-items: center;
  padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block; flex-shrink: 0;
}
.status-todo     { background:#94a3b8; }
.status-progress { background:#6366f1; }
.status-done     { background:#10b981; }
.status-pending  { background:#f59e0b; }
.status-suspended{ background:#94a3b8; }

/* ==============================
   Cards
   ============================== */
.card {
  background: var(--sf);
  border: 1px solid var(--bd);
  border-radius: var(--rl);
  box-shadow: var(--ssm);
  overflow: hidden;
}
.card-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--bd);
  display: flex; align-items: center; justify-content: space-between;
  background: #fafbfc;
}
.card-title { font-size: 15px; font-weight: 700; color: var(--t1); }
.card-body { padding: 24px; }

/* ==============================
   Dashboard
   ============================== */
.dash-grid {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 16px; margin-bottom: 24px;
}
.stat-card {
  background: var(--sf); border: 1px solid var(--bd);
  border-radius: var(--rl); padding: 20px 24px;
  box-shadow: var(--ssm); display: flex; flex-direction: column; gap: 10px;
  transition: box-shadow .2s, transform .2s;
}
.stat-card:hover {
  box-shadow: var(--smd);
  transform: translateY(-2px);
}
.stat-icon {
  width: 42px; height: 42px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.stat-icon.blue   { background:var(--pril); color:var(--pri); }
.stat-icon.green  { background:var(--okl); color:var(--ok); }
.stat-icon.amber  { background:var(--wnl); color:var(--wn); }
.stat-icon.red    { background:var(--errl); color:var(--err); }
.stat-value { font-size: 30px; font-weight: 800; letter-spacing:-.5px; }

.dash-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px; margin-bottom: 24px;
}
.dash-row.full { grid-template-columns: 1fr; }

/* donut chart */
.donut-wrap { display:flex; align-items:center; gap:36px; padding:4px 0; }
.donut { width:140px; height:140px; border-radius:50%; position:relative; flex-shrink:0; }
.donut-center { position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); text-align:center; }
.donut-center .num { font-size:24px; font-weight:800; color:var(--t1); }
.donut-center .lbl { font-size:11px; color:var(--t2); }
.donut-legend { display:flex; flex-direction:column; gap:10px; flex:1; }
.legend-item { display:flex; align-items:center; gap:8px; font-size:13px; color:var(--t2); }
.legend-item .dot { width:10px; height:10px; border-radius:3px; }
.legend-item .count { margin-left:auto; font-weight:700; font-family:"SF Mono",monospace; }

/* bar chart */
.bar-chart { display:flex; flex-direction:column; gap:10px; }
.bar-row { display:flex; align-items:center; gap:12px; }
.bar-label { width:80px; font-size:12px; color:var(--t2); text-align:right; flex-shrink:0; font-weight:500; }
.bar-track { flex:1; height:24px; background:#f1f5f9; border-radius:6px; overflow:hidden; }
.bar-fill {
  height:100%; border-radius:6px;
  display:flex; align-items:center; padding-left:10px;
  color:#fff; font-size:11px; font-weight:700; transition:width .4s;
}

/* diff tag */
.diff-tag {
  font-size:11px; font-weight:600; margin-left:6px;
  padding:2px 8px; border-radius:10px; display:inline-block; vertical-align:middle;
}
.diff-tag.up   { color:#059669; background:#ecfdf5; }
.diff-tag.down { color:#dc2626; background:#fef2f2; }
.diff-tag.flat { color:var(--t2); background:#f1f5f9; }

/* ==============================
   Time Chips
   ============================== */
.time-chips { display:flex; align-items:center; gap:8px; margin-bottom:16px; flex-wrap:wrap; }
.time-chip {
  display:inline-flex; align-items:center;
  padding: 7px 18px; border: 1.5px solid var(--bd2);
  border-radius: 24px; font-size: 13px; font-weight: 600;
  background: var(--sf); color: var(--t2); cursor: pointer;
  transition: all .15s;
}
.time-chip:hover { background: #f1f5f9; border-color: var(--t3); }
.time-chip.active {
  background: var(--pri); border-color: var(--pri); color: #fff;
  box-shadow: 0 2px 8px rgba(79,70,229,.25);
}
.time-range-hint { font-size: 12px; color: var(--t3); margin-left: 4px; }
.time-chip-sep { font-size: 14px; color: var(--t3); margin: 0 4px; }
.time-date-input {
  padding: 6px 10px; border: 1.5px solid var(--bd2);
  border-radius: var(--r); font-size: 12px; width: 120px;
  outline: none; cursor: pointer; background: var(--sf);
  transition: border-color .15s;
}
.time-date-input:focus { border-color: var(--pri); box-shadow: 0 0 0 3px rgba(79,70,229,.08); }

/* ==============================
   Kanban
   ============================== */
.kanban-filters { display:flex; gap:10px; margin-bottom:16px; align-items:center; flex-wrap:wrap; }
.kanban-board { display:flex; gap:16px; align-items:flex-start; overflow-x:auto; padding-bottom:8px; min-width:0; }
.kanban-col {
  flex:1; min-width:240px; max-width:100%;
  background: #f8fafc; border-radius: var(--rl);
  border: 1px solid var(--bd);
}
.kanban-col-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 18px; border-bottom:1px solid var(--bd);
}
.kanban-col-title { display:flex; align-items:center; gap:8px; font-size:13px; font-weight:700; }
.kanban-col-count {
  background: #e2e8f0; padding: 2px 10px; border-radius: 12px;
  font-size: 11px; font-weight: 700; color: var(--t2);
}
.kanban-col-body {
  padding:12px; min-height:200px;
  transition: background .2s, box-shadow .2s;
  border-radius: 0 0 var(--rl) var(--rl);
}
.kanban-col-body.drag-over { background:#eef2ff; box-shadow:inset 0 0 0 2px var(--pri); }
.kanban-card {
  background: var(--sf); border: 1px solid var(--bd);
  border-radius: var(--r); padding: 14px; margin-bottom: 10px;
  cursor: grab; box-shadow: var(--ssm);
  transition: all .2s;
}
.kanban-card:hover {
  box-shadow: var(--smd); transform: translateY(-2px);
  border-color: var(--prib);
}
.kanban-card.dragging { opacity:.35; transform:scale(.96); pointer-events:none; }
.kc-title { font-size:13px; font-weight:600; margin-bottom:10px; line-height:1.45; color:var(--t1); }
.unread-dot {
  display:inline-block; width:7px; height:7px;
  background:#ef4444; border-radius:50%;
  margin-right:6px; vertical-align:middle; position:relative; top:-1px;
}
.kc-meta { display:flex; align-items:center; gap:8px; flex-wrap:wrap; margin-bottom:10px; }
.kc-bottom { display:flex; align-items:center; justify-content:space-between; }
.kc-assignee {
  width:24px; height:24px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:10px; font-weight:700; color:#fff;
}
.kc-date { font-size:11px; color:var(--t3); }
.kc-date.overdue { color:var(--err); font-weight:600; }
.kc-hours {
  font-size:11px; font-family:"SF Mono", monospace;
  color: var(--pri); background: var(--pril);
  padding: 2px 8px; border-radius: 4px; margin-left: auto; font-weight:600;
}
.wip-warn {
  display:block; padding: 4px 14px; font-size:11px; font-weight:600;
  color:#92400e; background:#fef3c7;
  border-bottom:1px solid #fde68a;
}

/* ---- Multi-Select Filter Dropdown (list / kanban / gantt unified) ---- */
.filter-label { font-size:12px; color:var(--t2); flex-shrink:0; margin-right:2px; }
.multi-select { position:relative; flex-shrink:0; }
.ms-trigger {
  padding:5px 10px; border:1.5px solid var(--bd2);
  border-radius:8px; font-size:12px; font-weight:500;
  background:var(--sf); cursor:pointer; white-space:nowrap;
  min-width:72px; user-select:none; display:flex; align-items:center; gap:4px;
  transition: all .18s; color:var(--t2);
}
.ms-trigger:hover { border-color:var(--pri); color:var(--t1); }
.ms-trigger.active {
  border-color:var(--pri); color:var(--pri); background:var(--pril);
}
.ms-filter-icon { flex-shrink:0; color:var(--t3); transition:color .18s; }
.ms-trigger:hover .ms-filter-icon,
.ms-trigger.active .ms-filter-icon { color:var(--pri); }
.ms-trigger .ms-arrow { font-size:10px; opacity:.45; color:var(--t3); margin-left:2px; transition:opacity .18s; }
.ms-trigger:hover .ms-arrow { opacity:.7; }
.ms-trigger.active .ms-arrow { opacity:.8; color:var(--pri); }
.ms-dropdown {
  display:none; position:absolute; top:calc(100% + 6px); left:0;
  background:var(--sf); border:1.5px solid var(--bd);
  border-radius:10px; box-shadow:0 12px 40px rgba(0,0,0,.1), 0 0 0 1px rgba(0,0,0,.03);
  z-index:100; min-width:190px; max-height:280px; overflow-y:auto;
  padding:6px 0; animation: msIn .15s ease;
}
@keyframes msIn { from { opacity:0; transform:translateY(-6px); } to { opacity:1; transform:translateY(0); } }
.ms-dropdown.open { display:block; }
.ms-dropdown::before {
  content:''; display:block; padding:2px 12px;
}
.ms-option {
  display:flex; align-items:center; gap:10px;
  padding:9px 16px; font-size:13px; cursor:pointer;
  white-space:nowrap; transition: all .12s; color:var(--t1);
  user-select:none;
}
.ms-option:hover { background:#f4f6fb; }
.ms-option input[type=checkbox] {
  accent-color:var(--pri); margin:0; width:16px; height:16px; cursor:pointer; flex-shrink:0;
}
.ms-option .ms-opt-label { flex:1; }
.ms-option:has(input:checked) { font-weight:600; }
.ms-clear-all {
  padding:8px 16px; font-size:12px; color:var(--t2); cursor:pointer;
  border-top:1px solid var(--bd); margin-top:2px; text-align:center;
  font-weight:500; transition:all .12s;
}
.ms-clear-all:hover { color:var(--err); background:var(--errl); }

/* date/search inputs alongside multi-selects */
.filter-select {
  padding:7px 12px; border:1.5px solid var(--bd2); border-radius:8px;
  font-size:13px; background:var(--sf); outline:none; cursor:pointer;
  transition:border-color .15s; color:var(--t1);
}
.filter-select:focus { border-color:var(--pri); box-shadow:0 0 0 3px rgba(79,70,229,.08); }

/* ==============================
   List / Table
   ============================== */
.list-toolbar { display:flex; gap:10px; margin-bottom:16px; align-items:center; flex-wrap:wrap; }
.saved-filters { display:flex; gap:6px; margin-top:12px; flex-wrap:wrap; }
.saved-filter-chip {
  display:inline-flex; align-items:center; gap:4px;
  padding:5px 14px; border:1.5px solid var(--bd2);
  border-radius:24px; font-size:12px; font-weight:500;
  cursor:pointer; background:var(--sf);
  transition: all .15s;
}
.saved-filter-chip:hover { background:#f1f5f9; }
.saved-filter-chip.active {
  background:var(--pril); border-color:var(--pri); color:var(--pri);
  font-weight:600;
}
.data-table {
  width:100%; border-collapse:separate; border-spacing:0;
  background:var(--sf); border:1px solid var(--bd);
  border-radius:var(--rl); overflow:hidden;
}
.data-table th {
  background:#f8fafc; padding:12px 16px; text-align:left;
  font-size:12px; font-weight:700; color:var(--t2);
  border-bottom:1px solid var(--bd); white-space:nowrap;
  cursor:pointer; user-select:none;
  transition: background .1s;
}
.data-table th:hover { background:#f1f5f9; }
.data-table th .sort-arrow { font-size:10px; margin-left:4px; opacity:.4; }
.data-table td {
  padding:12px 16px; font-size:13px;
  border-bottom:1px solid #f1f5f9;
}
.data-table tr { cursor:pointer; transition: background .1s; }
.data-table tr:hover td { background:#f8fafc; }
.data-table tr:last-child td { border-bottom:none; }
.table-wrap { overflow-x:auto; }
.list-pagination {
  display:flex; align-items:center; justify-content:space-between;
  margin-top:16px; flex-wrap:wrap; gap:8px;
}
.list-count { font-size:13px; color:var(--t2); font-weight:500; }
.pagination-btns { display:flex; align-items:center; gap:4px; }

/* ==============================
   Gantt
   ============================== */
.gantt-wrap {
  background:var(--sf); border:1px solid var(--bd);
  border-radius:0 0 var(--rl) var(--rl); overflow:hidden; min-width:0;
}
.gantt-scroll { overflow-x:auto; position:relative; }
.gantt-row { display:flex; border-bottom:1px solid #f1f5f9; }
.gantt-row:hover { background:#f8fafc; }
.gantt-row:last-child { border-bottom:none; }
.gantt-sub .gantt-task-col { background:#fafbfc; }
.gantt-sub .gantt-task-name { font-size:12px; color:var(--t2); }
.gantt-sub:hover .gantt-task-col { background:#f1f5f9; }
.gantt-bar-sub { height:18px; top:7px; font-size:10px; border-radius:3px; opacity:.85; }
.gantt-tree-conn { font-size:10px; color:var(--t3); font-family:"SF Mono",monospace; user-select:none; line-height:1; }
.gantt-tree-toggle { transition:transform .15s; }
.gantt-tree-toggle.collapsed { transform:rotate(-90deg); }
.gantt-task-col {
  width:240px; flex-shrink:0; padding:10px 16px;
  font-size:12px; display:flex; align-items:center; gap:6px;
  border-right:1px solid var(--bd); cursor:pointer;
  position:sticky; left:0; background:#fff; z-index:10;
}
.gantt-task-name { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; flex:1; }
.gantt-timeline { flex:1; position:relative; min-width:0; height:36px; }
.gantt-bar {
  position:absolute; height:24px; top:6px; border-radius:5px;
  display:flex; align-items:center; padding:0 8px;
  font-size:11px; color:#fff; font-weight:600; white-space:nowrap;
  overflow:hidden; cursor:pointer; transition:filter .15s, box-shadow .15s;
}
.gantt-bar:hover { filter:brightness(1.1); box-shadow:0 2px 6px rgba(0,0,0,.15); }
.gantt-bar.dep { border-left:3px solid #0f172a; }
.gantt-today-line { position:absolute; top:0; bottom:0; width:2px; background:var(--err); z-index:5; }
.gantt-week-header {
  display:flex; border-bottom:1px solid var(--bd);
  background:#f8fafc; position:sticky; top:0; z-index:15;
}
.gantt-week-cell {
  flex:none; padding:9px 0; font-size:11px; font-weight:600;
  color:var(--t2); border-right:1px solid var(--bd);
  text-align:center; box-sizing:border-box;
}
.gantt-day-header {
  display:flex; border-bottom:1px solid var(--bd);
  background:#fff; position:sticky; top:32px; z-index:14;
}
.gantt-day-cell {
  flex:none; padding:4px 0; font-size:10px; color:var(--t3);
  text-align:center; border-right:1px solid #f1f5f9; box-sizing:border-box;
}
.gantt-day-weekend { background:#fafbfc; }
.gantt-day-today { background:var(--errl); color:var(--err); font-weight:700; }
.gantt-legend { display:flex; gap:24px; align-items:center; margin-top:14px; font-size:12px; color:var(--t2); }
.gantt-legend-item { display:flex; align-items:center; gap:6px; }
.gantt-legend-dot { display:inline-block; width:14px; height:14px; border-radius:4px; }
.gantt-legend-dep { display:inline-block; width:0; height:0; border-left:6px solid #0f172a; border-top:5px solid transparent; border-bottom:5px solid transparent; }
.gantt-legend-line { display:inline-block; width:16px; height:2px; background:var(--err); }

/* ==============================
   Workload
   ============================== */
.wl-person-card {
  background:var(--sf); border:1px solid var(--bd);
  border-radius:var(--rl); padding:20px;
  box-shadow:var(--ssm); transition: box-shadow .2s;
}
.wl-person-card:hover { box-shadow:var(--smd); }
.wl-person-header { display:flex; align-items:center; gap:14px; margin-bottom:14px; }
.wl-person-avatar {
  width:44px; height:44px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:15px; font-weight:700; color:#fff;
}
.wl-person-name { font-size:15px; font-weight:700; color:var(--t1); }
.wl-person-role { font-size:12px; color:var(--t2); }
.wl-stat { display:flex; gap:20px; margin-left:auto; }
.wl-stat-item { text-align:center; }
.wl-stat-num { font-size:20px; font-weight:800; }
.wl-stat-lbl { font-size:11px; color:var(--t2); margin-top:1px; }
.wl-task-list { display:flex; flex-direction:column; gap:4px; }
.wl-task-item {
  display:flex; align-items:center; gap:8px;
  padding:8px 12px; border-radius:var(--r); background:#f8fafc;
  font-size:12px; cursor:pointer; transition: background .1s;
}
.wl-task-item:hover { background:var(--pril); }
.wl-task-title { flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* dashboard workload rows */
.wl-grid { display:flex; flex-direction:column; gap:4px; }
.wl-row {
  display:flex; align-items:center; gap:14px;
  padding:12px 18px; background:#f8fafc;
  border:1px solid var(--bd); border-radius:var(--r);
  transition: box-shadow .2s; cursor:pointer;
}
.wl-row:hover { box-shadow:var(--smd); background:#fff; }
.wl-row-left { display:flex; align-items:center; gap:12px; width:140px; flex-shrink:0; }
.wl-info { min-width:0; }
.wl-avatar {
  width:34px; height:34px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:12px; font-weight:700; color:#fff; flex-shrink:0;
}
.wl-name { font-size:13px; font-weight:700; line-height:1.2; }
.wl-role { font-size:11px; color:var(--t3); }
.wl-row-status { font-size:11px; font-weight:700; padding:3px 12px; border-radius:12px; flex-shrink:0; min-width:48px; text-align:center; }
.wl-row-metrics { display:flex; gap:24px; flex-shrink:0; }
.wl-row-metric { display:flex; align-items:baseline; gap:4px; }
.wl-row-num { font-size:16px; font-weight:800; font-family:"SF Mono",monospace; }
.wl-row-lbl { font-size:11px; color:var(--t3); }
.wl-row-remain { flex-shrink:0; }
.wl-row-bar-wrap { flex:1; min-width:120px; display:flex; align-items:center; gap:10px; }
.wl-row-bar-bg { flex:1; height:6px; background:#e2e8f0; border-radius:3px; overflow:hidden; }
.wl-row-bar-fill { height:100%; border-radius:3px; transition:width .4s; }
.wl-row-bar-label { font-size:11px; color:var(--t3); white-space:nowrap; }
.wl-group-sep {
  display:flex; align-items:center; gap:8px;
  padding:8px 0 4px 0; margin-top:8px;
}
.wl-group-sep:first-child { margin-top:0; }
.wl-group-sep span { font-size:12px; font-weight:700; color:var(--t2); white-space:nowrap; }
.wl-group-sep::after { content:''; flex:1; height:1px; background:var(--bd2); }
.workload-row { display:flex; align-items:center; gap:12px; padding:10px 0; border-bottom:1px solid var(--bd); }
.workload-row:last-child { border-bottom:none; }
.wl-bar-track { flex:1; height:24px; background:#f1f5f9; border-radius:6px; overflow:hidden; display:flex; }
.wl-bar-seg {
  height:100%; display:flex; align-items:center; justify-content:center;
  font-size:10px; font-weight:700; color:#fff; transition:width .4s;
}
.wl-count { width:30px; text-align:right; font-size:13px; font-weight:700; flex-shrink:0; }

/* ==============================
   Calendar
   ============================== */
.cal-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:18px; }
.cal-nav { display:flex; align-items:center; gap:10px; }
.cal-month-label { font-size:16px; font-weight:700; min-width:130px; text-align:center; }
.cal-view-toggle { display:flex; gap:4px; }
.cal-grid { border:1px solid var(--bd); border-radius:var(--rl); overflow:hidden; background:var(--sf); }
.cal-row { display:flex; min-height:80px; }
.cal-row:last-child .cal-cell { border-bottom:none; }
.cal-weekdays { background:#f8fafc; border-bottom:1px solid var(--bd); display:grid; grid-template-columns:repeat(7,1fr); }
.cal-hd-cell {
  text-align:center; padding:10px 0; font-size:11px; font-weight:700;
  color:var(--t2); border-right:1px solid var(--bd);
}
.cal-hd-cell:last-child { border-right:none; }
.cal-wd-weekend { background:#fafbfc; }
.cal-body { display:grid; grid-template-columns:repeat(7,1fr); }
.cal-cell {
  padding:4px 4px 6px 4px; border-right:1px solid var(--bd);
  border-bottom:1px solid var(--bd); height:110px;
  overflow:hidden; display:flex; flex-direction:column;
}
.cal-cell:nth-child(7n) { border-right:none; }
.cal-cell-empty { background:#fafbfc; }
.cal-cell:hover { background:#f8fafc; }
.cal-today { background:var(--pril); }
.cal-today .cal-day { background:var(--pri); color:#fff; font-weight:800; }
.cal-day {
  display:inline-block; width:24px; height:24px; line-height:24px;
  text-align:center; border-radius:50%; font-size:12px;
  font-weight:600; color:var(--t1); margin-bottom:4px;
}
.cal-tasks { display:flex; flex-direction:column; gap:2px; flex:1; overflow:hidden; min-height:0; }
.cal-task {
  display:block; padding:0 5px; font-size:10px; border-radius:3px;
  cursor:pointer; overflow:hidden; text-overflow:ellipsis;
  white-space:nowrap; line-height:18px; height:18px; box-sizing:border-box;
  transition:opacity .15s;
}
.cal-task:hover { opacity:.75; }
.cal-more { font-size:10px; color:var(--pri); font-weight:600; padding:1px 5px; cursor:pointer; }

/* ==============================
   Modal / Dialog
   ============================== */
.modal-overlay {
  position:fixed; top:0; left:0; right:0; bottom:0;
  background: rgba(15,23,42,.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index:200;
  display:flex; align-items:center; justify-content:center;
  animation: fadeIn .18s ease;
}
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
.modal {
  background:var(--sf); border-radius:var(--rx);
  box-shadow: 0 24px 80px rgba(0,0,0,.18), 0 0 0 1px rgba(0,0,0,.04);
  width:720px; max-width:94vw; max-height:88vh;
  overflow:hidden; display:flex; flex-direction:column;
  animation: modalIn .25s ease;
}
@keyframes modalIn { from { opacity:0; transform:translateY(16px) scale(.98); } to { opacity:1; transform:translateY(0) scale(1); } }
.modal>:first-child { display:flex; flex-direction:column; flex:1; min-height:0; overflow:hidden; }
.modal.detail-modal { width:840px; }
.modal-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 24px; border-bottom:1px solid var(--bd);
  background:var(--sf);
}
.modal-title {
  font-size:16px; font-weight:700; color:var(--t1);
  display:flex; align-items:center; gap:10px;
}
.modal-title::before {
  content:''; display:inline-block;
  width:3px; height:18px; background:var(--pri); border-radius:2px;
}
.modal-close {
  width:34px; height:34px; cursor:pointer; color:var(--t3);
  background:none; border:none; font-size:22px; line-height:34px;
  border-radius: var(--r); display:flex; align-items:center;
  justify-content:center; transition:all .15s;
}
.modal-close:hover { color:var(--t1); background:#f1f5f9; }
.modal-body { padding:24px; overflow-y:auto; flex:1; }
.modal-footer {
  display:flex; justify-content:flex-end; gap:10px;
  padding:16px 24px; border-top:1px solid var(--bd);
  background:#f8fafc;
}

/* detail rows */
.detail-row { display:flex; gap:16px; margin-bottom:16px; }
.detail-label { width:100px; font-size:12px; color:var(--t2); flex-shrink:0; padding-top:4px; font-weight:600; }
.detail-value { flex:1; font-size:13px; }

/* ==============================
   Form — Task Modal
   ============================== */
.task-form .form-group { margin-bottom:18px; }
.task-form .form-label {
  display:flex; align-items:center; gap:3px;
  font-size:13px; font-weight:700; color:var(--t1); margin-bottom:6px;
}
.task-form .form-label .required { color:#ef4444; font-weight:800; margin-left:2px; }
.task-form .form-input,
.task-form .form-select,
.task-form .form-textarea {
  width:100%; padding:10px 14px;
  border:1.5px solid var(--bd2); border-radius: var(--r);
  font-size:14px; color:var(--t1); background:var(--sf);
  outline:none; transition:all .15s;
  font-family:inherit; line-height:1.5;
}
.task-form .form-input:hover,
.task-form .form-select:hover,
.task-form .form-textarea:hover { border-color:var(--t3); }
.task-form .form-input:focus,
.task-form .form-select:focus,
.task-form .form-textarea:focus {
  border-color:var(--pri);
  box-shadow: 0 0 0 3px rgba(79,70,229,.1);
}
.task-form .form-input::placeholder,
.task-form .form-textarea::placeholder { color:var(--t3); }
.task-form .form-select {
  appearance:none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-9'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 12px center;
  padding-right:36px; cursor:pointer;
}
.task-form .form-textarea { min-height:96px; resize:vertical; line-height:1.6; }
.task-form .form-row { display:flex; gap:16px; }
.task-form .form-row .form-group { flex:1; margin-bottom:18px; }

/* ==============================
   Attachments (Task Modal)
   ============================== */
.task-form .attach-list { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:10px; min-height:0; }
.task-form .attach-card {
  display:flex; align-items:center; gap:8px;
  padding:8px 12px; border:1.5px solid var(--bd2);
  border-radius:var(--r); font-size:13px; background:var(--sf);
  transition:all .15s;
}
.task-form .attach-card:hover { border-color:var(--t3); box-shadow:var(--ssm); }
.task-form .attach-card .attach-icon { color:var(--t3); flex-shrink:0; }
.task-form .attach-card .attach-name {
  max-width:220px; overflow:hidden; text-overflow:ellipsis;
  white-space:nowrap; color:var(--t1); font-weight:600;
}
.task-form .attach-card .attach-size { color:var(--t3); font-family:"SF Mono",monospace; font-size:11px; flex-shrink:0; }
.task-form .attach-card .attach-remove {
  width:22px; height:22px; display:flex; align-items:center;
  justify-content:center; cursor:pointer; color:var(--t3);
  font-weight:700; border-radius:4px; flex-shrink:0; transition:all .1s;
}
.task-form .attach-card .attach-remove:hover { color:var(--err); background:var(--errl); }

/* ==============================
   Dep Selector (Task Modal)
   ============================== */
.task-form .dep-selector { position:static; }
.task-form .dep-trigger {
  display:flex; align-items:center; justify-content:space-between;
  min-height:42px; padding:6px 12px;
  border:1.5px solid var(--bd2); border-radius:var(--r);
  cursor:pointer; background:var(--sf); transition:all .15s; gap:8px;
}
.task-form .dep-trigger:hover { border-color:var(--t3); }
.task-form .dep-trigger.open { border-color:var(--pri); box-shadow:0 0 0 3px rgba(79,70,229,.1); }
.task-form .dep-chips { display:flex; flex-wrap:wrap; gap:6px; flex:1; min-width:0; }
.task-form .dep-chip {
  display:inline-flex; align-items:center; gap:5px;
  padding:3px 10px; background:var(--pril); color:var(--pri);
  border-radius:6px; font-size:12px; font-weight:600;
  border:1px solid rgba(79,70,229,.2);
}
.task-form .dep-chip-x {
  width:18px; height:18px; display:flex; align-items:center;
  justify-content:center; cursor:pointer; font-weight:800;
  font-size:14px; opacity:.5; border-radius:4px; transition:all .1s;
}
.task-form .dep-chip-x:hover { opacity:1; background:rgba(79,70,229,.15); }
.task-form .dep-placeholder { color:var(--t3); font-size:13px; padding:4px 0; }
.task-form .dep-arrow { color:var(--t3); font-size:12px; flex-shrink:0; transition:transform .2s; }
.task-form .dep-trigger.open .dep-arrow { transform:rotate(180deg); }
.task-form .dep-dropdown {
  position:fixed; width:auto; z-index:300;
  background:var(--sf); border:1.5px solid var(--bd);
  border-radius:var(--r); box-shadow:0 12px 48px rgba(0,0,0,.12);
  max-height:320px; display:flex; flex-direction:column; overflow:hidden;
}
.task-form .dep-dropdown-search { padding:12px 14px 8px; flex-shrink:0; }
.task-form .dep-search-input {
  width:100%; padding:9px 14px; border:1.5px solid var(--bd2);
  border-radius:var(--r); font-size:13px; outline:none;
  box-sizing:border-box; transition:border-color .15s;
}
.task-form .dep-search-input:focus { border-color:var(--pri); box-shadow:0 0 0 3px rgba(79,70,229,.1); }
.task-form .dep-dropdown-list { flex:1; overflow-y:auto; padding:4px 0; }
.task-form .dep-dropdown-item {
  display:flex; align-items:center; gap:10px;
  padding:8px 16px; cursor:pointer; font-size:13px;
  transition:background .1s;
}
.task-form .dep-dropdown-item:hover { background:#f1f5f9; }
.task-form .dep-dropdown-item input[type=checkbox] { accent-color:var(--pri); width:16px; height:16px; }
.task-form .dep-dropdown-item .dep-item-id {
  font-family:"SF Mono",monospace; font-size:11px; color:var(--t3);
  flex-shrink:0; background:#f1f5f9; padding:2px 6px; border-radius:4px;
}
.task-form .dep-dropdown-item .dep-item-title {
  flex:1; overflow:hidden; text-overflow:ellipsis;
  white-space:nowrap; color:var(--t1);
}
.task-form .dep-dropdown-item .dep-item-member { font-size:11px; color:var(--t3); flex-shrink:0; }
.task-form .dep-dropdown-actions {
  display:flex; justify-content:flex-end; gap:8px;
  padding:12px 16px; border-top:1px solid var(--bd); background:#f8fafc;
}

/* ==============================
   Settings / Config
   ============================== */
.cfg-section { margin-bottom:0; }
.cfg-section-hd { display:flex; align-items:center; justify-content:space-between; margin-bottom:0; gap:12px; flex:1; }
.cfg-section-title { font-size:14px; font-weight:700; color:var(--t1); }
.cfg-member-list { display:flex; flex-direction:column; gap:6px; }
.cfg-member-row {
  display:flex; align-items:center; gap:12px;
  padding:10px 14px; background:#f8fafc;
  border:1px solid var(--bd); border-radius:var(--r);
  transition:all .15s;
}
.cfg-member-row:hover { border-color:var(--pri); background:var(--pril); }
.cfg-member-avatar {
  width:30px; height:30px; border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  font-size:12px; font-weight:700; color:#fff; flex-shrink:0;
}
.cfg-list { display:flex; flex-direction:column; gap:6px; }
.cfg-row {
  display:flex; align-items:center; gap:10px;
  padding:8px 12px; background:#f8fafc;
  border:1px solid var(--bd); border-radius:var(--r);
  transition:all .15s;
}
.cfg-row:hover { border-color:var(--pri); background:var(--pril); }
.cfg-row-fields { display:flex; align-items:center; gap:8px; flex:1; flex-wrap:wrap; }
.cfg-row-wide { gap:14px; }
.cfg-input {
  flex:1; min-width:80px; padding:7px 12px;
  border:1.5px solid var(--bd2); border-radius:var(--r);
  font-size:13px; outline:none; color:var(--t1);
  background:var(--sf); box-sizing:border-box; transition:border-color .15s;
}
.cfg-input:focus { border-color:var(--pri); box-shadow:0 0 0 2px rgba(79,70,229,.1); }
.cfg-input-sm { max-width:120px; flex:none; }
.cfg-color-pick { flex-shrink:0; }
.cfg-color-pick input[type=color] { width:34px; height:30px; border:1.5px solid var(--bd2); border-radius:6px; padding:0; cursor:pointer; background:none; }
.cfg-btn-del {
  width:30px; height:30px; border:none; background:none;
  color:var(--t3); font-size:18px; cursor:pointer; border-radius:6px;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0; line-height:1; transition:all .1s;
}
.cfg-btn-del:hover { background:var(--errl); color:var(--err); }
.cfg-me-tag {
  width:30px; height:30px; border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  font-size:11px; font-weight:700; color:var(--pri);
  background:var(--pril); flex-shrink:0;
}
.cfg-empty { color:var(--t3); font-size:13px; text-align:center; padding:24px; }

/* ==============================
   Auth / Login
   ============================== */
.auth-card {
  background:var(--sf); border-radius:var(--rx);
  box-shadow:var(--slg); padding:44px 40px;
  width:400px; max-width:94vw;
}
.auth-logo {
  display:flex; align-items:center; gap:10px;
  font-size:20px; font-weight:700; color:var(--t1); margin-bottom:28px;
}
.auth-card h2 { font-size:24px; font-weight:800; margin-bottom:4px; color:var(--t1); }
.auth-sub { font-size:13px; color:var(--t2); margin-bottom:24px; }
.auth-label { display:block; font-size:13px; font-weight:700; margin-bottom:6px; color:var(--t1); }
.auth-input {
  width:100%; padding:11px 14px; border:1.5px solid var(--bd);
  border-radius:var(--r); font-size:14px; outline:none;
  margin-bottom:18px; transition:border .15s;
}
.auth-input:focus { border-color:var(--pri); box-shadow:0 0 0 3px rgba(79,70,229,.08); }
.auth-btn {
  width:100%; padding:12px; background:var(--pri); color:#fff;
  border:none; border-radius:var(--r); font-size:15px; font-weight:700;
  cursor:pointer; margin-top:6px; transition:all .15s;
}
.auth-btn:hover { background:var(--prih); box-shadow:0 4px 12px rgba(79,70,229,.3); }
.auth-btn:disabled { opacity:.6; cursor:not-allowed; }
.auth-switch { text-align:center; margin-top:18px; font-size:13px; color:var(--t2); }
.auth-switch a { color:var(--pri); text-decoration:none; margin-left:4px; font-weight:600; }
.auth-switch a:hover { text-decoration:underline; }
.auth-error { background:var(--errl); color:var(--err); padding:10px 14px; border-radius:var(--r); font-size:13px; font-weight:500; margin-top:14px; }

/* ==============================
   Toast
   ============================== */
.toast {
  position:fixed; bottom:24px; left:50%; transform:translateX(-50%);
  background:#0f172a; color:#fff; padding:12px 28px;
  border-radius:10px; font-size:13px; font-weight:500;
  z-index:9999; opacity:0; transition:opacity .25s;
  pointer-events:none; box-shadow:0 8px 30px rgba(0,0,0,.25);
}
.toast.show { opacity:1; }

/* ==============================
   Empty State
   ============================== */
.empty { text-align:center; padding:64px 20px; color:var(--t3); font-size:14px; }

/* ==============================
   Responsive Tweaks
   ============================== */
@media (max-width: 1200px) {
  .dash-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .sidebar { width:60px; }
  .main { margin-left:60px; }
  .sidebar .logo span,
  .sidebar .nav-item span,
  .sidebar .nav-section-title,
  .sidebar .team-name,
  .sidebar .team-meta,
  .sidebar .su-name,
  .sidebar .su-logout { display:none; }
  .kanban-board { flex-direction:column; }
  .kanban-col { min-width:100%; }
  .dash-grid { grid-template-columns:1fr; }
  .dash-row { grid-template-columns:1fr; }
}