:root {
      --bg: #ffffff;
      --surface: #fafafa;
      --surface-hover: #f5f5f5;
      --border: #e5e5e5;
      --text: #0a0a0a;
      --muted: #737373;
      --accent: #21759b;
      --radius: 16px;
    }
    * { box-sizing: border-box; }
    html, body { margin: 0; padding: 0; min-height: 100%; font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); }
    .cw-header {
      position: sticky; top: 0; z-index: 50;
      background: rgba(255,255,255,0.95); backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border);
      padding: 14px 24px;
    }
    .cw-header-inner {
      max-width: 1100px; margin: 0 auto;
      display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
    }
    .cw-brand {
      display: flex; align-items: center; gap: 10px;
      font-family: ui-monospace, monospace; font-weight: 700; font-size: 17px;
      text-decoration: none; color: var(--text);
      flex-shrink: 0;
    }
    .cw-brand span { color: var(--muted); }
    .cw-search-wrap {
      flex: 1; min-width: 260px; position: relative;
    }
    .cw-search-wrap input {
      width: 100%; padding: 12px 16px 12px 44px;
      border: 1px solid var(--border); border-radius: 12px;
      font-size: 15px; background: var(--surface);
      outline: none;
    }
    .cw-search-wrap input:focus { border-color: var(--accent); background: #fff; }
    .cw-search-wrap svg {
      position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
      width: 18px; height: 18px; color: var(--muted);
    }
    .cw-back {
      font-size: 14px; color: var(--muted); text-decoration: none;
      display: flex; align-items: center; gap: 6px; flex-shrink: 0;
    }
    .cw-back:hover { color: var(--text); }
    .cw-main {
      max-width: 1100px; margin: 0 auto; padding: 28px 24px 80px;
    }
    .cw-hero {
      display: flex; align-items: center; gap: 18px; margin-bottom: 28px;
    }
    .cw-hero-icon {
      width: 64px; height: 64px; border-radius: 16px;
      background: var(--accent); color: #fff;
      display: flex; align-items: center; justify-content: center;
      font-size: 32px; font-weight: 800;
      flex-shrink: 0;
    }
    .cw-hero h1 {
      font-size: 32px; font-weight: 800; margin: 0 0 6px; letter-spacing: -0.02em;
    }
    .cw-hero p {
      margin: 0; color: var(--muted); font-size: 16px;
    }
    .cw-stats {
      display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px;
    }
    .cw-stat {
      font-family: ui-monospace, monospace; font-size: 13px;
      padding: 8px 14px; border-radius: 20px;
      background: var(--surface); border: 1px solid var(--border);
      color: var(--muted);
    }
    .cw-groups {
      display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px;
    }
    .cw-group {
      border: 1px solid var(--border); background: #fff;
      padding: 6px 14px; border-radius: 20px; font-size: 13px;
      cursor: pointer; color: var(--muted);
      transition: all .15s;
    }
    .cw-group:hover, .cw-group.active {
      background: var(--accent); color: #fff; border-color: var(--accent);
    }
    .cw-list {
      border: 1px solid var(--border); border-radius: var(--radius);
      background: var(--surface); overflow: hidden;
    }
    .cw-item {
      display: block; padding: 12px 18px;
      border-bottom: 1px solid var(--border);
      text-decoration: none; color: inherit;
      transition: background .12s;
    }
    .cw-item:last-child { border-bottom: none; }
    .cw-item:hover { background: #fff; }
    .cw-item.hidden { display: none; }
    .cw-item-name {
      font-family: ui-monospace, monospace; font-size: 14px; font-weight: 600; color: var(--text);
    }
    .cw-item-desc {
      font-size: 13px; color: var(--muted); margin-top: 2px;
      white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    }
    .cw-empty {
      display: none; padding: 48px; text-align: center; color: var(--muted);
    }
    .cw-empty.visible { display: block; }
    @media (max-width: 640px) {
      .cw-hero h1 { font-size: 24px; }
      .cw-hero-icon { width: 52px; height: 52px; font-size: 24px; }
    }