:root {
  --ink: #111827;
  --sidebar: #172026;
  --sidebar-soft: #23313a;
  --bg: #f6f7f5;
  --surface: #ffffff;
  --line: #dce1dd;
  --muted: #68736d;
  --teal: #14796f;
  --teal-soft: #e4f3ef;
  --amber: #b7791f;
  --shadow: 0 18px 60px rgba(20, 31, 38, 0.08);
  --radius: 8px;
  --green: #2f9e44;
  --yellow: #d6a51f;
  --red: #cc3b3b;
  --blue: #2f6fbb;
  --gray: #8c9592;
  --black: #111827;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", Arial, sans-serif;
  letter-spacing: 0;
}

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

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}

.sidebar {
  background: var(--sidebar);
  color: #eef5f1;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  display: grid;
  place-items: center;
  font-weight: 800;
  background: #f6f7f5;
  color: var(--sidebar);
}

.brand strong,
.brand span {
  display: block;
}

.brand strong {
  font-size: 16px;
}

.brand span {
  color: #a9b7b1;
  font-size: 11px;
  margin-top: 3px;
}

.nav-list {
  display: grid;
  gap: 6px;
}

.nav-item {
  width: 100%;
  color: #cbd6d1;
  background: transparent;
  border: 0;
  text-align: left;
  padding: 11px 12px;
  border-radius: 6px;
  font-size: 14px;
}

.nav-item:hover,
.nav-item.active {
  color: #ffffff;
  background: var(--sidebar-soft);
}

.sidebar-note {
  margin-top: auto;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}

.note-label,
.date,
.panel-head p {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 750;
  margin: 0 0 5px;
}

.sidebar-note .note-label {
  color: #91ada3;
}

.sidebar-note strong,
.sidebar-note small {
  display: block;
}

.sidebar-note small {
  color: #afbbb7;
  margin-top: 10px;
  line-height: 1.55;
}

.workspace {
  padding: 26px;
  min-width: 0;
}

.topbar,
.panel-head,
.top-actions,
.filters,
.summary-strip {
  display: flex;
  align-items: center;
}

.topbar {
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 30px;
  line-height: 1.15;
}

h2 {
  margin-bottom: 0;
  font-size: 18px;
  line-height: 1.25;
}

.top-actions {
  gap: 10px;
}

.search {
  width: min(38vw, 420px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 10px;
}

.search span {
  display: block;
  font-size: 10px;
  color: var(--muted);
  font-weight: 700;
}

.search input {
  width: 100%;
  border: 0;
  outline: 0;
  padding: 2px 0 0;
  color: var(--ink);
}

.primary-btn,
.secondary-btn,
.ghost-btn,
.filter,
.icon-btn {
  border-radius: 6px;
  border: 1px solid var(--line);
  min-height: 38px;
  padding: 0 13px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 750;
  font-size: 13px;
}

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

.secondary-btn {
  background: #f8faf8;
}

.ghost-btn {
  min-height: 32px;
  color: var(--teal);
}

.icon-btn {
  min-width: 34px;
  padding: 0;
}

.summary-strip {
  gap: 12px;
  margin-bottom: 14px;
}

.summary-strip article {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.summary-strip span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.summary-strip strong {
  display: block;
  margin-top: 7px;
  font-size: 24px;
}

.filters {
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.filter {
  min-height: 34px;
  background: transparent;
}

.filter.active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.grid {
  display: grid;
  gap: 16px;
}

.main-grid {
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.8fr);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.panel-head {
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 11px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  white-space: nowrap;
}

.project-name {
  font-weight: 800;
}

.muted {
  color: var(--muted);
}

.status-pill,
.priority,
.lane-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.status-pill {
  border: 1px solid var(--line);
  background: #f8faf8;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.green {
  color: var(--green);
}

.yellow {
  color: var(--yellow);
}

.red {
  color: var(--red);
}

.blue {
  color: var(--blue);
}

.gray {
  color: var(--gray);
}

.black {
  color: var(--black);
}

.timeline {
  display: grid;
  gap: 10px;
}

.milestone,
.risk-item,
.check-item,
.decision,
.task-card,
.channel-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px;
  background: #fbfcfb;
}

.milestone {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 12px;
  align-items: center;
}

.milestone strong,
.risk-item strong,
.check-item strong,
.decision strong {
  display: block;
  font-size: 14px;
}

.milestone span,
.risk-item span,
.check-item span,
.decision span {
  color: var(--muted);
  font-size: 12px;
}

.checklist,
.risk-list,
.task-list,
.decision-log {
  display: grid;
  gap: 10px;
}

.check-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: start;
}

.check-item input {
  width: 18px;
  height: 18px;
  margin-top: 1px;
  accent-color: var(--teal);
}

.priority {
  background: #f3f7f5;
  border: 1px solid var(--line);
}

.risk-item {
  display: grid;
  gap: 8px;
}

.risk-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.product-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.product-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px;
  background: #fbfcfb;
  display: grid;
  gap: 14px;
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.card-top h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.35;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.field {
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.field span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
}

.field strong {
  display: block;
  font-size: 13px;
  margin-top: 3px;
}

.gate-board,
.kanban,
.channel-grid,
.risk-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.gate-column,
.kanban-column,
.risk-column {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfb;
  padding: 12px;
  min-height: 240px;
}

.column-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-weight: 850;
}

.task-card {
  margin-bottom: 10px;
}

.task-card button {
  margin-top: 10px;
}

.lane-tag {
  background: var(--teal-soft);
  color: var(--teal);
}

.channel-item {
  display: grid;
  gap: 8px;
}

.progress {
  height: 8px;
  border-radius: 999px;
  background: #edf1ee;
  overflow: hidden;
}

.progress > span {
  display: block;
  height: 100%;
  background: var(--teal);
}

.task-dialog {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: min(620px, calc(100vw - 32px));
  padding: 0;
}

.task-dialog::backdrop {
  background: rgba(17, 24, 39, 0.35);
}

.task-dialog form {
  padding: 20px;
  display: grid;
  gap: 14px;
}

.dialog-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
}

.task-dialog label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.task-dialog input,
.task-dialog select,
.task-dialog textarea {
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  background: #fff;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

menu {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .nav-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .main-grid,
  .product-cards,
  .gate-board,
  .kanban,
  .channel-grid,
  .risk-board {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .workspace {
    padding: 16px;
  }

  .topbar,
  .top-actions,
  .summary-strip {
    align-items: stretch;
    flex-direction: column;
  }

  .search {
    width: 100%;
  }

  .nav-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .milestone {
    grid-template-columns: 1fr;
  }

  .field-grid,
  .form-row {
    grid-template-columns: 1fr;
  }
}