:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --border: #eceef1;
  --text: #16181d;
  --muted: #8a8f98;
  --line: #e2e4e8;
  --chip-bg: #eef0f3;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  --feature: #16a34a; --feature-bg: #dcfce7; --feature-fg: #166534;
  --fix: #d97706;     --fix-bg: #fef3c7;     --fix-fg: #92400e;
  --polish: #7c3aed;  --polish-bg: #ede9fe;  --polish-fg: #5b21b6;
  --perf: #0d9488;    --perf-bg: #ccfbf1;    --perf-fg: #115e59;
  --docs: #2563eb;    --docs-bg: #dbeafe;    --docs-fg: #1e40af;
  --other: #6b7280;   --other-bg: #f3f4f6;   --other-fg: #374151;
}

[data-theme='dark'] {
  --bg: #0f1420;
  --card: #171d2d;
  --border: #262e44;
  --text: #e8eaf0;
  --muted: #6b7385;
  --line: #2a3144;
  --chip-bg: #222a3e;
  --shadow: none;
  --feature: #4ade80; --feature-bg: rgba(34, 197, 94, 0.15);  --feature-fg: #4ade80;
  --fix: #fbbf24;     --fix-bg: rgba(245, 158, 11, 0.15);     --fix-fg: #fbbf24;
  --polish: #a78bfa;  --polish-bg: rgba(139, 92, 246, 0.15);  --polish-fg: #a78bfa;
  --perf: #2dd4bf;    --perf-bg: rgba(20, 184, 166, 0.15);    --perf-fg: #2dd4bf;
  --docs: #60a5fa;    --docs-bg: rgba(59, 130, 246, 0.15);    --docs-fg: #60a5fa;
  --other: #9ca3af;   --other-bg: rgba(107, 114, 128, 0.15);  --other-fg: #9ca3af;
}

* { box-sizing: border-box; }

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 860px;
  margin: 0 auto;
  padding: 28px 20px 8px;
}

.site-header h1 { margin: 0; font-size: 26px; letter-spacing: -0.02em; }
.updated { margin: 2px 0 0; color: var(--muted); font-size: 13px; }

#theme-toggle {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 16px;
  padding: 6px 12px;
  cursor: pointer;
}

.filters {
  max-width: 860px;
  margin: 0 auto;
  padding: 10px 20px 4px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.filter-group {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.filter-label {
  flex: none;
  width: 64px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding-top: 5px;
}

.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }

.clear-filters {
  align-self: flex-start;
  margin-left: 74px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 99px;
  color: var(--muted);
  font-size: 12px;
  padding: 3px 12px;
  cursor: pointer;
}

.clear-filters:hover { color: var(--text); border-color: var(--text); }
.clear-filters:focus-visible { outline: 2px solid var(--docs); outline-offset: 2px; }

.chip {
  background: var(--chip-bg);
  border: 1px solid transparent;
  border-radius: 99px;
  color: var(--text);
  font-size: 13px;
  padding: 4px 12px;
  cursor: pointer;
}

/* Project chips: squared with a leading repo glyph. Type chips: rounded pills. */
.chip[data-kind='project'] {
  border-radius: 7px;
  background: transparent;
  border-color: var(--border);
}

.chip[data-kind='project']::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--muted);
  margin-right: 7px;
  vertical-align: 1px;
}

.chip[data-kind='project'].active {
  background: var(--chip-bg);
  border-color: var(--text);
}

.chip[data-kind='project'].active::before { background: var(--text); }

.chip.active { border-color: currentColor; font-weight: 600; }
.chip.type-feature.active { color: var(--feature-fg); background: var(--feature-bg); }
.chip.type-fix.active     { color: var(--fix-fg);     background: var(--fix-bg); }
.chip.type-polish.active  { color: var(--polish-fg);  background: var(--polish-bg); }
.chip.type-perf.active    { color: var(--perf-fg);    background: var(--perf-bg); }
.chip.type-docs.active    { color: var(--docs-fg);    background: var(--docs-bg); }
.chip.type-other.active   { color: var(--other-fg);   background: var(--other-bg); }

.chip:focus-visible,
.card:focus-visible,
#theme-toggle:focus-visible,
.gh-link:focus-visible {
  outline: 2px solid var(--docs);
  outline-offset: 2px;
}

#timeline { max-width: 860px; margin: 0 auto; padding: 12px 20px 60px; }
.status { color: var(--muted); padding: 30px 0; text-align: center; }

.day-head {
  position: sticky;
  top: 0;
  background: var(--bg);
  padding: 6px 0;
  margin: 26px 0 10px;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px 14px;
}

.day-head h2 {
  font-size: 15px;
  margin: 0;
}

.day-stats {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-size: 12px;
  color: var(--muted);
}

.stat-total { font-weight: 600; color: var(--text); }

.stat {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font: inherit;
  color: var(--muted);
  background: none;
  border: 1px solid transparent;
  border-radius: 99px;
  padding: 2px 8px;
  cursor: pointer;
}

.stat:hover { background: var(--chip-bg); }
.stat.active { background: var(--chip-bg); border-color: currentColor; color: var(--text); font-weight: 600; }
.stat:focus-visible { outline: 2px solid var(--docs); outline-offset: 2px; }

.stat-dot {
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: var(--other);
}

.stat.type-feature .stat-dot { background: var(--feature); }
.stat.type-fix .stat-dot     { background: var(--fix); }
.stat.type-polish .stat-dot  { background: var(--polish); }
.stat.type-perf .stat-dot    { background: var(--perf); }
.stat.type-docs .stat-dot    { background: var(--docs); }

.day-entries {
  border-left: 2px solid var(--line);
  margin-left: 7px;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
  cursor: pointer;
}

.card .dot {
  position: absolute;
  left: -29px;
  top: 20px;
  width: 10px;
  height: 10px;
  border-radius: 99px;
  background: var(--other);
}

.card.type-feature .dot { background: var(--feature); }
.card.type-fix .dot     { background: var(--fix); }
.card.type-polish .dot  { background: var(--polish); }
.card.type-perf .dot    { background: var(--perf); }
.card.type-docs .dot    { background: var(--docs); }

.card-head { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 12px; }

.badge {
  border-radius: 5px;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.05em;
  padding: 2px 7px;
  text-transform: uppercase;
  background: var(--other-bg);
  color: var(--other-fg);
}

.card.type-feature .badge { background: var(--feature-bg); color: var(--feature-fg); }
.card.type-fix .badge     { background: var(--fix-bg);     color: var(--fix-fg); }
.card.type-polish .badge  { background: var(--polish-bg);  color: var(--polish-fg); }
.card.type-perf .badge    { background: var(--perf-bg);    color: var(--perf-fg); }
.card.type-docs .badge    { background: var(--docs-bg);    color: var(--docs-fg); }

.project { background: var(--chip-bg); border-radius: 99px; padding: 2px 9px; }
.scope { color: var(--muted); font-family: ui-monospace, monospace; font-size: 11px; }
.meta { color: var(--muted); margin-left: auto; }

.card h3 { margin: 7px 0 0; font-size: 15.5px; font-weight: 600; }

.card .body { display: none; color: var(--muted); font-size: 13.5px; margin-top: 8px; }
.card.open .body { display: block; }
.card .body ul { margin: 6px 0; padding-left: 18px; }
.card .body p { margin: 6px 0; }

.gh-link { display: none; margin-top: 8px; font-size: 12.5px; color: var(--docs); text-decoration: none; }
.card.open .gh-link { display: inline-block; }

@media (max-width: 600px) {
  .meta { margin-left: 0; width: 100%; }
}