/* ── 全屏 Skills 视图（主区） ─── */
    .skills-view {
      flex: 1;
      overflow-y: auto;
      min-height: 0; /* 被 main 包在 flex column 里时，允许子 view 自己裁剪并滚动 */
      padding: 28px 36px 60px;
      animation: fade-in 0.2s ease;
    }
    @keyframes fade-in {
      from { opacity: 0; transform: translateY(6px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .skills-view-head {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 8px;
      flex-wrap: wrap;
    }
    .skills-view-head h2 {
      font-size: var(--fs-22);
      font-weight: var(--fw-semibold);
      letter-spacing: var(--ls-tight);
      line-height: var(--lh-tight);
      margin: 0;
      color: var(--fg);
    }
    .skills-view-head .sv-count {
      font-size: var(--fs-12);
      font-weight: var(--fw-semibold);
      color: var(--brand-deep);
      background: var(--accent-soft);
      padding: 3px 10px;
      border-radius: var(--radius-pill);
      letter-spacing: var(--ls-normal);
    }
    .skills-view-head .sv-spacer { flex: 1; }

    /* Source 分段选择器（系统/外部） */
    .src-tabs {
      display: inline-flex;
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 11px;
      padding: 3px;
      gap: 2px;
    }
    .src-tab {
      padding: 6px 14px;
      border: none;
      background: transparent;
      border-radius: 8px;
      font: inherit;
      font-size: var(--fs-13);
      color: var(--fg-dim);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.15s;
    }
    .src-tab:hover { color: var(--fg); }
    .src-tab.active {
      background: var(--grad-card);
      color: #fff;
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(0,0,0,0.14);
    }
    .src-tab .src-tab-count {
      font-size: var(--fs-11);
      opacity: 0.85;
      padding: 0 6px;
      min-width: 18px;
      text-align: center;
      background: rgba(0,0,0,0.07);
      border-radius: 999px;
    }
    [data-theme="dark"] .src-tab .src-tab-count { background: rgba(255,255,255,0.1); }
    .src-tab.active .src-tab-count { background: rgba(255,255,255,0.22); }

    /* source badge on card */
    .sc-source {
      font-size: var(--fs-10);
      padding: 2px 7px;
      border-radius: 5px;
      font-weight: 600;
      letter-spacing: 0.2px;
      text-transform: uppercase;
    }
    .sc-source.bundled {
      color: var(--fg);
      background: var(--accent-soft);
      border: 1px solid var(--border-strong);
    }
    .sc-source.external {
      color: var(--fg-soft);
      background: var(--bg-soft);
      border: 1px solid var(--border-strong);
    }
    .skills-view-sub {
      color: var(--fg-dim);
      font-size: var(--fs-14);
      margin: 0 0 20px;
    }

    /* ── 记忆 / 规则视图 ─── */
    .memory-groups {
      display: flex;
      flex-direction: column;
      gap: 28px;
    }
    .memory-group-title {
      display: flex;
      align-items: center;
      gap: 10px;
      margin: 0 0 12px;
      font-size: var(--fs-13);
      font-weight: 600;
      color: var(--fg-dim);
      text-transform: uppercase;
      letter-spacing: var(--ls-uppercase);
    }
    .memory-group-title::after {
      content: "";
      flex: 1;
      height: 1px;
      background: var(--border);
    }
    .memory-card {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 18px 20px;
      margin-bottom: 14px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.03);
    }
    .memory-card.inactive {
      opacity: 0.72;
    }
    .memory-card.missing {
      border-style: dashed;
      opacity: 0.62;
    }
    .memory-card-head {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 4px;
    }
    .memory-card-head .mc-icon {
      font-size: var(--fs-18);
    }
    .memory-card-head h3 {
      margin: 0;
      font-size: var(--fs-16);
      font-weight: 700;
      color: var(--fg);
    }
    .memory-card-head .mc-badge {
      font-size: var(--fs-11);
      font-weight: 700;
      padding: 3px 9px;
      border-radius: 999px;
      letter-spacing: 0.3px;
      text-transform: uppercase;
    }
    .memory-card-head .mc-badge.active {
      color: #0b5c2b;
      background: #d8f2df;
      border: 1px solid #a8dcb5;
    }
    [data-theme="dark"] .memory-card-head .mc-badge.active {
      color: #a7f5c3;
      background: rgba(46,160,86,0.18);
      border-color: rgba(46,160,86,0.42);
    }
    .memory-card-head .mc-badge.inactive {
      color: var(--fg-dim);
      background: var(--bg-soft);
      border: 1px solid var(--border-strong);
    }
    .memory-card-head .mc-badge.missing {
      color: #8a6d00;
      background: #fff5d6;
      border: 1px solid #e9d383;
    }
    [data-theme="dark"] .memory-card-head .mc-badge.missing {
      color: #ffd98a;
      background: rgba(210,160,40,0.18);
      border-color: rgba(210,160,40,0.42);
    }
    .memory-card-desc {
      color: var(--fg-dim);
      font-size: var(--fs-13);
      margin: 6px 0 10px;
    }
    .memory-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      font-size: var(--fs-12);
      color: var(--fg-dim);
      margin-bottom: 10px;
    }
    .memory-meta code {
      background: var(--bg-soft);
      border: 1px solid var(--border);
      padding: 2px 7px;
      border-radius: 6px;
      font-size: var(--fs-12);
      color: var(--fg-soft);
      word-break: break-all;
    }
    .memory-meta .mc-dot {
      width: 3px;
      height: 3px;
      border-radius: 50%;
      background: var(--border-strong);
    }
    .memory-reason {
      font-size: var(--fs-12);
      color: var(--fg-soft);
      background: var(--bg-soft);
      border-left: 3px solid var(--border-strong);
      padding: 8px 12px;
      border-radius: 6px;
      margin-bottom: 10px;
    }
    .memory-card.inactive .memory-reason { border-left-color: #caa94a; }
    .memory-card.missing .memory-reason  { border-left-color: #caa94a; }
    .memory-content {
      position: relative;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 14px 16px;
      max-height: 320px;
      overflow: auto;
      white-space: pre-wrap;
      word-break: break-word;
      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
      font-size: var(--fs-13);
      line-height: 1.55;
      color: var(--fg);
    }
    .memory-content.empty {
      font-family: inherit;
      color: var(--fg-dim);
      text-align: center;
      padding: 26px;
      font-style: italic;
    }
    .memory-content-foot {
      margin-top: 8px;
      font-size: var(--fs-12);
      color: var(--fg-dim);
      display: flex;
      justify-content: flex-end;
      gap: 10px;
    }