:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --border: #e2e5ea;
  --text: #1f2328;
  --muted: #656d76;
  --accent: #0969da;
  --open: #57606a;
  --progress: #bf8700;
  --done: #1a7f37;
  --blocked: #cf222e;
  --other: #6e7781;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 24px 32px;
}

header h1 {
  margin: 0 0 4px;
  font-size: 24px;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.subtitle a {
  color: var(--accent);
  text-decoration: none;
}

.subtitle a:hover {
  text-decoration: underline;
}

.summary {
  display: flex;
  gap: 16px;
  padding: 24px 32px;
  flex-wrap: wrap;
}

.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 24px;
  min-width: 140px;
  text-align: center;
}

.stat-value {
  font-size: 32px;
  font-weight: 600;
  line-height: 1;
}

.stat-label {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.milestone {
  margin: 0 32px 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.milestone h2 {
  margin: 0;
  padding: 16px 20px;
  font-size: 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.deadline {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
}

table.tasks {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

table.tasks th,
table.tasks td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

table.tasks th {
  background: #fafbfc;
  font-weight: 600;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

table.tasks tbody tr:last-child td {
  border-bottom: none;
}

table.tasks tr:hover {
  background: #f6f8fa;
}

.plan-ref {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-weight: 600;
  color: var(--muted);
}

.task-name a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.task-name a:hover {
  text-decoration: underline;
}

.task-id {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.date {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
}

.next-action {
  font-size: 13px;
  color: var(--muted);
}

.status-pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.status-pill.status-open {
  background: #eaeef2;
  color: var(--open);
}

.status-pill.status-progress {
  background: #fff8c5;
  color: var(--progress);
}

.status-pill.status-done {
  background: #dafbe1;
  color: var(--done);
}

.status-pill.status-blocked {
  background: #ffebe9;
  color: var(--blocked);
}

.status-pill.status-other {
  background: #eaeef2;
  color: var(--other);
}

.stat-value.status-done {
  color: var(--done);
}

.stat-value.status-progress {
  color: var(--progress);
}

.stat-value.status-open {
  color: var(--open);
}

.stat-value.overdue {
  color: var(--blocked);
}

/* Overdue highlighting */
.overdue {
  color: var(--blocked);
  font-weight: 600;
}

tr.row-overdue {
  background: #fff8f8;
}

tr.row-overdue:hover {
  background: #ffecec;
}

tr.row-overdue td.date.overdue,
tr.row-overdue td.next-action.overdue {
  color: var(--blocked);
  font-weight: 600;
}

footer {
  padding: 16px 32px 32px;
  color: var(--muted);
  font-size: 13px;
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

@media (max-width: 720px) {

  header,
  .summary,
  .milestone,
  footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .milestone {
    margin-left: 16px;
    margin-right: 16px;
  }

  table.tasks th,
  table.tasks td {
    padding: 8px 10px;
  }

  .date {
    white-space: normal;
  }
}