/* HQ-28: tab "Hạng mục & việc" của dự án (views/project_items.js) + khối "Đầu việc của tôi" ở trang chủ. Tách file khỏi app.css
   để các nhánh song song (HQ-25/26) sửa app.css không đụng nhau. Dùng biến màu của app.css (sáng / tối). */
.pi { display: flex; flex-direction: column; gap: 14px; }
.pi .small, .pi-table .small { font-size: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { border-color: var(--btn-border); color: var(--ink); }

.pi-summary { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); }
.pi-stats { display: flex; align-items: center; gap: 8px 18px; flex-wrap: wrap; flex: 1; min-width: 0; }
.pi-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.pi-hint { margin: -4px 0 0; font-size: 12px; }
.pi-prog { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.pi-prog .bar { display: inline-block; width: 64px; height: 6px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--line); overflow: hidden; }
.pi-prog .bar i { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.pi-empty { background: var(--surface); border: 1px dashed var(--btn-border); border-radius: var(--radius); padding: 22px; text-align: center; }
.pi-empty p { margin: 6px 0 0; }

.pi-group { display: flex; flex-direction: column; gap: 6px; }
.pi-group > header { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pi-group > header h4 { margin: 0; font-size: 14px; }
.pi-ghint { font-size: 12px; }
.pi-none { padding: 10px 12px; font-size: 13px; }
.pi-table { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }

/* Một hàng hạng mục = lưới cột; màn hẹp xếp dọc có nhãn */
.pi-row { display: grid; align-items: center; gap: 8px 10px; padding: 9px 12px;
  grid-template-columns: 26px minmax(170px, 2.2fr) 82px minmax(170px, 1.6fr) 62px minmax(96px, 1fr) 118px 62px auto; }
.no-money .pi-row { grid-template-columns: 26px minmax(170px, 2.4fr) 82px 90px 62px minmax(96px, 1fr) 118px 62px auto; }
.pi-headrow { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); background: var(--surface-2); font-weight: 600; padding-top: 7px; padding-bottom: 7px; }
.pi-item { border-top: 1px solid var(--line); }
.pi-item.open { background: color-mix(in srgb, var(--brand-soft) 35%, transparent); }
.pi-item.off .c-name strong, .pi-item.off .c-money strong { text-decoration: line-through; color: var(--muted); }
.pi-toggle { border: 0; background: none; cursor: pointer; font-size: 15px; color: var(--muted); width: 26px; height: 26px; border-radius: 8px; }
.pi-toggle:hover { background: var(--hover); color: var(--ink); }
.c-name { min-width: 0; }
.c-name strong { word-break: break-word; }
.pi-desc { white-space: pre-wrap; }
.c-money { font-variant-numeric: tabular-nums; }
.c-money strong { white-space: nowrap; }
.pi-calc { color: var(--muted); font-size: 12px; }
.c-act { display: flex; gap: 2px; justify-content: flex-end; flex-wrap: wrap; }
.pi-count { border: 1px solid var(--line); background: var(--surface-2); border-radius: 99px; padding: 2px 9px; font-size: 12px; cursor: pointer; color: var(--muted); white-space: nowrap; }
.pi-count.full { background: var(--ok-soft); color: var(--ok-text); border-color: transparent; }
.pi-count.late { background: var(--err-soft); color: var(--err); border-color: transparent; }

/* Chip trạng thái = <select> mặc áo badge (bấm để đổi, bàn phím / màn hẹp dùng được) */
select.pi-chip { appearance: none; -webkit-appearance: none; border-radius: 99px; min-height: 26px; padding: 2px 22px 2px 10px; font-size: 12px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; max-width: 100%; color: var(--muted); background-color: var(--surface-2);
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 12px) 55%, calc(100% - 8px) 55%; background-size: 4px 4px; background-repeat: no-repeat; }
select.pi-chip:disabled { cursor: default; background-image: none; padding-right: 10px; opacity: 1; }
select.pi-chip.s-in_progress, select.pi-chip.s-doing { background-color: var(--warn-soft); color: var(--warn); }
select.pi-chip.s-done { background-color: var(--ok-soft); color: var(--ok-text); }
select.pi-chip.s-blocked { background-color: var(--err-soft); color: var(--err); }
select.pi-chip.s-cancelled { text-decoration: line-through; }
select.pi-chip option { color: var(--ink); background: var(--surface); text-decoration: none; }

/* Đầu việc: checklist */
.pi-tasks { padding: 2px 12px 12px 46px; }
.pi-loose .pt-list, .pi-loose .pt-add { background: var(--surface); }
.pi-loose .pt-list { border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.pt-list { display: flex; flex-direction: column; }
.pt-row { display: grid; align-items: center; gap: 6px 10px; padding: 7px 10px; border-bottom: 1px solid var(--line);
  grid-template-columns: 26px minmax(160px, 1fr) minmax(110px, 160px) 118px 104px auto; }
.pt-row:last-child { border-bottom: 0; }
.pt-row.done .pt-title { text-decoration: line-through; color: var(--muted); }
.pt-row.off { opacity: .6; }
.pt-row.late { background: var(--err-soft); box-shadow: inset 3px 0 0 var(--err); }
.pt-check { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; cursor: pointer; }
.pt-check input { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; margin: 0; }
.pt-check input:disabled { cursor: not-allowed; }
.pt-title { min-width: 0; word-break: break-word; }
.pt-who { display: inline-flex; align-items: center; gap: 6px; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pt-ava { flex: none; width: 22px; height: 22px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700;
  background: var(--brand-soft); color: var(--brand-dark); }
.pt-act { display: flex; gap: 2px; justify-content: flex-end; }
.pt-add { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-top: 8px; }
.pt-add input[name=title] { flex: 1 1 220px; }
.pt-add select { flex: 0 1 170px; }
.pt-add input[type=date] { flex: 0 0 150px; }
.pi-quick { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin: -4px 0 12px; font-size: 12px; }
.pi-preview { margin: -4px 0 12px; font-size: 13px; }
.home-card .pt-check-cell { width: 34px; padding-right: 0; }

@media (max-width: 900px) {
  .pi-headrow { display: none; }
  .pi-row, .no-money .pi-row { grid-template-columns: 26px 1fr 1fr auto; align-items: start; gap: 4px 10px; }
  .pi-row > .pi-toggle { grid-row: 1; grid-column: 1; }
  .pi-row > .c-name { grid-row: 1; grid-column: 2 / 4; }
  .pi-row > .c-status { grid-row: 1; grid-column: 4; }
  .pi-row > .c-period { grid-row: 2; grid-column: 2; }
  .pi-row > .c-team { grid-row: 2; grid-column: 3 / -1; }
  .pi-row > .c-money { grid-row: 3; grid-column: 2 / -1; }
  .pi-row > .c-owner { grid-row: 4; grid-column: 2; }
  .pi-row > .c-tasks { grid-row: 4; grid-column: 3 / -1; }
  .pi-row > .c-act { grid-row: 5; grid-column: 2 / -1; }
  .pi-row > [data-label]::before { content: attr(data-label) ": "; color: var(--muted); font-size: 12px; }
  .c-act { justify-content: flex-start; }
  .pi-tasks { padding: 2px 8px 10px 8px; }
  .pt-row { grid-template-columns: 26px 1fr auto; }
  .pt-row > .pt-title { grid-column: 2 / -1; }
  .pt-row > .pt-assignee { grid-column: 2; }
  .pt-row > .pt-due { grid-column: 3; justify-self: end; }
  .pt-row > .pt-status { grid-column: 2; }
  .pt-row > .pt-act { grid-column: 3; }
  .pt-add input[name=title], .pt-add select, .pt-add input[type=date] { flex: 1 1 100%; }
  .pt-add button { width: 100%; }
  .pi-actions { width: 100%; }
  .pi-actions .btn { flex: 1 1 auto; }
}