:root {
  --bg: #0a0c10; --panel: #12161e; --line: #212734; --text: #e8ebf1; --muted: #8b94a5; --dim: #5c6577;
  --green: #34d399; --yellow: #f5b13d; --red: #f87171; --gray: #5b6474;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font: 14px/1.6 "Segoe UI", "Microsoft YaHei", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }

header {
  display: flex; align-items: center; gap: 26px; padding: 16px 28px;
  border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(10,12,16,.92);
  backdrop-filter: blur(8px); z-index: 10;
}
.brand { font-size: 15px; font-weight: 650; letter-spacing: .3px; }
nav { display: flex; gap: 4px; }
nav a {
  color: var(--muted); text-decoration: none; font-size: 13px; padding: 5px 12px; border-radius: 8px;
}
nav a:hover { color: var(--text); background: var(--panel); }
nav a.on { color: var(--text); background: var(--panel); }

main { max-width: 980px; margin: 0 auto; padding: 34px 28px 80px; }

.hero { display: flex; align-items: center; gap: 14px; padding: 26px 24px; border: 1px solid var(--line);
  border-radius: 16px; background: var(--panel); margin-bottom: 30px; }
.hero .pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--green); flex: 0 0 auto;
  box-shadow: 0 0 0 4px rgba(52,211,153,.14); }
.hero.off .pulse { background: var(--gray); box-shadow: none; }
.hero h1 { margin: 0; font-size: 17px; font-weight: 650; }
.hero p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.hero .when { margin-left: auto; color: var(--dim); font-size: 12px; }

h2 { font-size: 11.5px; letter-spacing: 1.5px; color: var(--dim); font-weight: 600; margin: 0 0 12px; }

.card { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); padding: 14px 16px; }
.card + .card { margin-top: 9px; }
.card .top { display: flex; align-items: center; gap: 10px; }
.card .goal { font-size: 14px; font-weight: 600; }
.card .meta { margin-left: auto; font-size: 12px; color: var(--muted); }
.card ol { margin: 10px 0 0; padding-left: 18px; color: var(--muted); font-size: 12.5px; }
.card li.done { color: var(--dim); text-decoration: line-through; text-decoration-color: #2c3444; }
.empty { color: var(--dim); font-size: 13px; padding: 26px 0; text-align: center; }

.feed { display: grid; gap: 7px; }
.ev { display: flex; gap: 12px; font-size: 13px; color: var(--muted); }
.ev time { color: var(--dim); font-variant-numeric: tabular-nums; flex: 0 0 auto; }
.ev b { color: var(--text); font-weight: 500; }

.dot { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto; background: var(--gray); }
.dot.green { background: var(--green); }
.dot.yellow { background: var(--yellow); }
.dot.red { background: var(--red); }

@media (max-width: 640px) { main { padding: 22px 16px 60px; } header { padding: 12px 16px; } }