:root {
  --bg: #0d1117; --panel: #161b22; --border: #30363d;
  --fg: #e6edf3; --muted: #8b949e; --accent: #58a6ff;
  --done: #3fb950; --doing: #d29922; --todo: #484f58;
  --radius: 10px;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff; --panel: #f6f8fa; --border: #d0d7de;
    --fg: #1f2328; --muted: #656d76; --accent: #0969da;
    --done: #1a7f37; --doing: #9a6700; --todo: #8c959f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.65 -apple-system, "Segoe UI", "Noto Sans SC", "PingFang SC",
        "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 20px 64px; }

header.hero { padding: 56px 0 32px; border-bottom: 1px solid var(--border); margin-bottom: 32px; }
.hero h1 { font-size: 2.3rem; margin: 0 0 8px; letter-spacing: -.02em; }
.hero .sub { color: var(--muted); font-size: 1.05rem; margin: 0 0 24px; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badge {
  font-size: .8rem; padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--muted);
}
.badge.on { border-color: var(--done); color: var(--done); }

.bar { height: 10px; background: var(--todo); border-radius: 999px; overflow: hidden; margin: 20px 0 8px; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--done)); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin: 28px 0 40px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat b { display: block; font-size: 1.5rem; line-height: 1.3; }
.stat span { color: var(--muted); font-size: .82rem; }

h2 { font-size: 1.35rem; margin: 40px 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
h2 .muted { font-weight: 400; color: var(--muted); font-size: .9rem; }

.phase { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px; margin-bottom: 10px; }
.phase > summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.phase > summary::-webkit-details-marker { display: none; }
.phase .pname { font-weight: 600; flex: 1; min-width: 180px; }
.phase .prange { color: var(--muted); font-size: .85rem; font-variant-numeric: tabular-nums; }
.pill { font-size: .74rem; padding: 2px 9px; border-radius: 999px; border: 1px solid currentColor; }
.pill.done { color: var(--done); } .pill.doing { color: var(--doing); } .pill.todo { color: var(--todo); }

.days { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 1px;
        background: var(--border); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.days li { background: var(--panel); padding: 9px 14px; display: flex; align-items: center; gap: 12px; }
.days .dnum { color: var(--muted); font-variant-numeric: tabular-nums; min-width: 62px; font-size: .86rem; }
.days .dtitle { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--fg); text-decoration: none; }
.days li:hover { background: color-mix(in srgb, var(--panel) 60%, var(--accent) 8%); }
.days a.dtitle:hover { color: var(--accent); text-decoration: none; }
.days .tags { display: flex; gap: 5px; }
.tag { font-size: .68rem; color: var(--muted); border: 1px solid var(--border); border-radius: 4px; padding: 1px 5px; }

#q { width: 100%; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border);
     background: var(--panel); color: var(--fg); font-size: .95rem; margin-bottom: 14px; }
#count { color: var(--muted); font-size: .85rem; margin: -6px 0 14px; }

footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--border);
         color: var(--muted); font-size: .85rem; display: flex; gap: 16px; flex-wrap: wrap; }
code { background: var(--panel); border: 1px solid var(--border); border-radius: 4px; padding: 1px 5px; font-size: .88em; }