@layer base {
  *, *::before, *::after { box-sizing: border-box; }

  html, body { margin: 0; padding: 0; }

  body {
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink-900);
    font-family: var(--font);
    font-size: 13px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  a { color: inherit; text-decoration: none; }
  button { font-family: inherit; cursor: pointer; }

  /* ---------- 顶栏 ---------- */
  .topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 12px;
    height: 54px;
    padding: 0 22px;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--line);
  }

  .brand { display: inline-flex; align-items: center; gap: 9px; }
  .brand-mark {
    width: 26px; height: 26px; border-radius: 8px;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--ink-900); color: #fff;
    font-size: 11.5px; font-weight: 700; letter-spacing: 0.02em;
  }
  .brand-name {
    font-size: 12.5px; font-weight: 600; letter-spacing: 0.18em; color: var(--ink-900);
  }
  .brand-sub {
    font-size: 9.5px; letter-spacing: 0.16em; color: var(--ink-300);
    padding-left: 9px; border-left: 1px solid var(--line-strong);
  }

  .auth-zone { margin-left: auto; display: flex; align-items: center; gap: 10px; }
  .auth-name { font-size: 12px; color: var(--ink-600); }

  /* ---------- 布局 ---------- */
  .wrap {
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    padding: 40px 22px 80px;
  }

  .page-head { margin-bottom: 26px; }
  .page-head h1 {
    margin: 0;
    font-size: 30px;
    font-weight: 600;
    letter-spacing: -0.028em;
    line-height: 1.15;
    color: var(--ink-900);
  }
  .page-head p {
    margin: 8px 0 0;
    font-size: 12.5px;
    color: var(--ink-400);
    letter-spacing: 0.01em;
  }

  /* ---------- 按钮 ---------- */
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    height: 32px; padding: 0 14px;
    border: 1px solid transparent; border-radius: var(--radius-sm);
    font-size: 12.5px; font-weight: 500; letter-spacing: 0.01em;
    transition: background .18s ease, color .18s ease, border-color .18s ease, opacity .18s;
  }
  .btn-dark { background: var(--ink-900); color: #fff; }
  .btn-dark:hover { background: var(--ink-700); }
  .btn-dark:disabled { opacity: 0.4; cursor: not-allowed; }
  .btn-ghost { background: #fff; border-color: var(--line-strong); color: var(--ink-700); }
  .btn-ghost:hover { background: #f8fafc; border-color: var(--ink-300); }
  .btn-sm { height: 28px; padding: 0 11px; font-size: 12px; }
  .btn-lg { height: 42px; padding: 0 26px; font-size: 13.5px; border-radius: 10px; }

  /* ---------- 状态（圆点 + 文字，不做满色胶囊） ---------- */
  .state {
    display: inline-flex; align-items: center; gap: 5px;
    font-size: 11.5px; letter-spacing: 0.02em; white-space: nowrap;
  }
  .state i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
  .state-running { color: var(--running); }
  .state-finished { color: var(--finished); }
  .state-draft { color: var(--amber); }

  /* 分隔点 */
  .sep { width: 3px; height: 3px; border-radius: 50%; background: var(--ink-300); flex-shrink: 0; }

  .muted { color: var(--ink-400); }
  .num { font-variant-numeric: tabular-nums; }
}