:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --text: #1f2733;
  --muted: #6b7686;
  --border: #e6e9f0;
  --accent: #2f6bff;
  --accent-2: #6a5cff;
  --accent-soft: #eaf0ff;
  --shadow: 0 2px 8px rgba(20,30,60,.06);
  --shadow-h: 0 8px 22px rgba(20,30,60,.12);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1118;
    --panel: #161b25;
    --text: #e7ebf2;
    --muted: #98a2b3;
    --border: #232a36;
    --accent: #5b8bff;
    --accent-2: #8a7bff;
    --accent-soft: #1b2540;
    --shadow: 0 2px 8px rgba(0,0,0,.35);
    --shadow-h: 0 10px 26px rgba(0,0,0,.5);
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1080px; margin: 0 auto; padding: 16px 24px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.brand { flex: 1 1 auto; min-width: 200px; }
.brand h1 {
  margin: 0; font-size: 22px; letter-spacing: .5px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.subtitle { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.search { flex: 0 1 320px; min-width: 180px; }
.search input {
  width: 100%; padding: 9px 14px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
  font-size: 14px; outline: none; transition: border-color .15s, box-shadow .15s;
}
.search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

main { max-width: 1080px; margin: 0 auto; padding: 22px 24px 40px; }
.block { margin-bottom: 30px; }
.block-head { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; }
.block-icon { font-size: 20px; }
.block-title {
  margin: 0; font-size: 17px; font-weight: 700; position: relative; padding-left: 12px;
}
.block-title::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 4px; height: 16px; border-radius: 2px;
  background: linear-gradient(var(--accent), var(--accent-2));
}

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 16px; box-shadow: var(--shadow); display: flex; gap: 12px;
  transition: transform .14s ease, border-color .14s ease, box-shadow .14s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: var(--shadow-h); }
.card-icon {
  flex: 0 0 42px; width: 42px; height: 42px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center; font-size: 22px;
  background: var(--accent-soft);
}
.card-body { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.card-name { font-weight: 650; font-size: 15.5px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.card-note { color: var(--muted); font-size: 12.5px; }
.card-actions { margin-top: 2px; }
.tag {
  font-size: 11px; padding: 1px 7px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-weight: 600;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 7px 13px; border-radius: 9px; font-size: 13.5px; font-weight: 650;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: filter .12s, border-color .12s;
}
.btn-primary { background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: #fff; }
.btn-primary:hover { filter: brightness(1.07); }
.btn-ghost { background: transparent; color: var(--accent); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }
.foot { max-width: 1080px; margin: 0 auto; padding: 18px 24px 40px; color: var(--muted); font-size: 12px; text-align: center; }