/* ── 设置弹窗 ─────────────────────────── */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(10, 16, 28, 0.55);
      backdrop-filter: blur(4px);
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 100;
      padding: 20px;
    }
    .modal-overlay.show { display: flex; }
    .modal {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      width: 100%;
      max-width: 900px;
      height: min(640px, 85vh);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      animation: modalIn 0.2s ease;
    }
    @keyframes modalIn {
      from { opacity: 0; transform: translateY(8px) scale(0.98); }
      to { opacity: 1; transform: none; }
    }
    .modal-head {
      padding: 16px 22px;
      border-bottom: 1px solid var(--divider);
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .modal-head h2 {
      flex: 1;
      font-size: var(--fs-18);
      font-weight: 700;
      color: var(--fg);
    }
    .modal-close {
      width: 30px;
      height: 30px;
      border-radius: 8px;
      border: none;
      background: transparent;
      color: var(--fg-dim);
      font-size: var(--fs-22);
      cursor: pointer;
      line-height: 1;
    }
    .modal-close:hover { background: var(--bg-soft); color: var(--fg); }

    /* ── 左右布局 ─ 左 tab 栏 + 右内容区 ───────── */
    .modal-layout {
      flex: 1;
      display: flex;
      min-height: 0;
    }
    .modal-tabs {
      width: 200px;
      flex-shrink: 0;
      border-right: 1px solid var(--divider);
      background: var(--panel-alt);
      padding: 14px 10px;
      overflow-y: auto;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .modal-tab {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 10px;
      border: 1px solid transparent;
      background: transparent;
      color: var(--fg-soft);
      cursor: pointer;
      font: inherit;
      font-size: var(--fs-14);
      text-align: left;
      transition: all 0.12s;
    }
    .modal-tab:hover {
      background: var(--panel);
      color: var(--fg);
    }
    .modal-tab.active {
      background: var(--panel);
      border-color: var(--border);
      color: var(--fg);
      font-weight: 600;
      box-shadow: var(--shadow-sm);
    }
    .modal-tab .mt-icon {
      width: 22px; height: 22px;
      display: inline-flex; align-items: center; justify-content: center;
      font-size: var(--fs-15);
    }
    .modal-body {
      padding: 20px 22px;
      overflow-y: auto;
      flex: 1;
      min-width: 0;
    }
    .modal-pane { display: none; }
    .modal-pane.active { display: block; }
    .modal-section {
      margin-bottom: 18px;
    }
    .modal-section:last-child { margin-bottom: 0; }
    .modal-section h3 {
      font-size: var(--fs-12);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--muted);
      margin-bottom: 10px;
    }

    /* ── 邮件设置表单 ─────────────────────────── */
    .form-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 14px;
    }
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .form-field {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-field label {
      font-size: var(--fs-13);
      color: var(--fg-dim);
      font-weight: 500;
    }
    .form-field input[type="text"],
    .form-field input[type="email"],
    .form-field input[type="password"],
    .form-field input[type="number"],
    .form-field select {
      padding: 9px 12px;
      border: 1px solid var(--border);
      border-radius: 10px;
      background: var(--panel);
      color: var(--fg);
      font: inherit;
      font-size: var(--fs-13);
      outline: none;
      transition: border-color 0.12s, box-shadow 0.12s;
      width: 100%;
    }
    .form-field input:focus,
    .form-field select:focus {
      border-color: var(--ink);
      box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06);
    }
    [data-theme="dark"] .form-field input:focus,
    [data-theme="dark"] .form-field select:focus {
      box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08);
    }
    .form-field .hint {
      font-size: var(--fs-12);
      color: var(--muted);
      line-height: 1.5;
    }
    .toggle-row {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 12px;
      background: var(--panel-alt);
      border: 1px solid var(--border);
      border-radius: 10px;
    }
    .toggle-row > label:not(.switch) {
      flex: 1;
      font-size: var(--fs-13);
      color: var(--fg);
      cursor: pointer;
    }
    .toggle-row .tr-sub {
      display: block;
      font-size: var(--fs-12);
      color: var(--fg-dim);
      margin-top: 2px;
      font-weight: 400;
    }
    .switch {
      position: relative;
      width: 38px;
      height: 22px;
      flex-shrink: 0;
      cursor: pointer;
    }
    .switch input { display: none; }
    .switch .slider {
      position: absolute;
      inset: 0;
      background: var(--border-strong);
      border-radius: 999px;
      transition: background 0.15s;
    }
    .switch .slider::before {
      content: "";
      position: absolute;
      top: 2px; left: 2px;
      width: 18px; height: 18px;
      background: #fff;
      border-radius: 50%;
      transition: transform 0.15s;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    }
    .switch input:checked + .slider { background: var(--ink); }
    .switch input:checked + .slider::before { transform: translateX(16px); }
    .form-actions {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-top: 4px;
    }
    .form-log {
      margin-top: 10px;
      border: 1px solid var(--border);
      border-radius: 10px;
      overflow: hidden;
      font-size: var(--fs-12);
    }
    .form-log-row {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      border-bottom: 1px solid var(--divider);
    }
    .form-log-row:last-child { border-bottom: none; }
    .form-log-row .flr-ok { color: var(--mint-deep); font-weight: 600; }
    .form-log-row .flr-err { color: var(--err); font-weight: 600; }
    .form-log-row .flr-time { color: var(--muted); font-size: var(--fs-12); white-space: nowrap; }
    .form-log-row .flr-subj {
      flex: 1;
      color: var(--fg-soft);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .form-log-empty {
      padding: 12px;
      font-size: var(--fs-12);
      color: var(--muted);
      text-align: center;
    }
    .kv-grid {
      display: grid;
      grid-template-columns: 110px 1fr;
      gap: 6px 14px;
      font-size: var(--fs-13);
    }
    .kv-grid dt { color: var(--fg-dim); }
    .kv-grid dd {
      color: var(--fg);
      font-family: ui-monospace, monospace;
      font-size: var(--fs-13);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .kv-grid dd.bad { color: var(--err); }
    .kv-grid dd.ok { color: var(--mint-deep); }

    /* ── Git 更新卡片 ─────────────────────────── */
    .git-card {
      border: 1px solid var(--border);
      border-radius: var(--radius);
      background: var(--panel-alt);
      padding: 14px;
    }
    .git-card .gc-head {
      display: flex; align-items: center; gap: 10px;
      margin-bottom: 10px;
    }
    .git-card .gc-title {
      font-weight: 600; font-size: var(--fs-14);
    }
    .git-card .gc-badge {
      margin-left: auto;
      font-size: var(--fs-12);
      padding: 3px 10px;
      border-radius: 999px;
      border: 1px solid var(--border);
      color: var(--fg-dim);
      background: var(--panel);
    }
    .git-card .gc-badge.up-to-date { color: var(--mint-deep); border-color: var(--mint-deep); }
    .git-card .gc-badge.has-update { color: #a46a00; border-color: #e7b24e; background: #fff7e4; }
    [data-theme="dark"] .git-card .gc-badge.has-update { color: #ffd888; background: #3a2c0a; border-color: #7a5a22; }
    .git-card .gc-badge.err { color: var(--err); border-color: var(--err); }

    .git-card .gc-meta {
      font-size: var(--fs-13);
      color: var(--fg-dim);
      line-height: 1.8;
    }
    .git-card .gc-meta code {
      background: var(--code-bg);
      padding: 1px 6px;
      border-radius: 5px;
      font-family: ui-monospace, Menlo, Consolas, monospace;
      color: var(--fg-soft);
    }
    .git-card .gc-commits {
      margin-top: 10px;
      border-top: 1px dashed var(--border);
      padding-top: 10px;
      max-height: 180px;
      overflow-y: auto;
    }
    .git-card .gc-commit {
      display: flex; gap: 10px;
      padding: 6px 0;
      font-size: var(--fs-13);
      border-bottom: 1px dashed var(--border);
    }
    .git-card .gc-commit:last-child { border-bottom: none; }
    .git-card .gc-commit .sha {
      font-family: ui-monospace, Menlo, Consolas, monospace;
      color: var(--brand);
      min-width: 56px;
    }
    .git-card .gc-commit .subj {
      flex: 1;
      color: var(--fg-soft);
      word-break: break-word;
    }

    .git-card .gc-actions {
      display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap;
    }
    .git-btn {
      padding: 8px 14px;
      border-radius: 10px;
      border: 1px solid var(--border);
      background: var(--panel);
      color: var(--fg);
      font: inherit;
      font-size: var(--fs-13);
      cursor: pointer;
      transition: all 0.15s ease;
    }
    .git-btn:hover:not(:disabled) { background: var(--panel-alt); border-color: var(--brand); }
    .git-btn:disabled { opacity: 0.5; cursor: not-allowed; }
    .git-btn.primary {
      background: var(--ink);
      color: #fff;
      border-color: transparent;
      font-weight: 600;
    }
    [data-theme="dark"] .git-btn.primary { color: #101014; }
    .git-btn.primary:hover:not(:disabled) {
      filter: brightness(1.05);
      transform: translateY(-1px);
    }

    .action-btn {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      width: 100%;
      padding: 12px 14px;
      border-radius: var(--radius);
      background: var(--panel-alt);
      border: 1px solid var(--border);
      color: var(--fg);
      text-align: left;
      cursor: pointer;
      font: inherit;
      transition: all 0.15s;
      margin-bottom: 8px;
    }
    .action-btn:hover {
      border-color: var(--brand-deep);
      background: var(--accent-soft);
      transform: translateY(-1px);
    }
    .action-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
    .action-btn.danger:hover {
      border-color: var(--err);
      background: color-mix(in srgb, var(--err) 8%, transparent);
    }
    .action-btn .act-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      color: var(--fg);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .action-btn.danger .act-icon {
      background: var(--bg-soft);
      border-color: var(--border-strong);
      color: var(--fg);
    }
    .action-btn .act-title {
      font-weight: 600;
      font-size: var(--fs-14);
    }
    .action-btn .act-sub {
      font-size: var(--fs-12);
      color: var(--fg-dim);
      margin-top: 2px;
      line-height: 1.45;
    }

    .model-options { display: flex; flex-direction: column; gap: 0; }
    .model-options .action-btn.active {
      border-color: var(--brand-deep);
      background: color-mix(in srgb, var(--brand-deep) 10%, transparent);
    }
    .model-options .action-btn.active .act-icon {
      background: var(--brand-deep);
      color: white;
    }
    .model-options .action-btn .act-id {
      margin-top: 4px;
      font-size: var(--fs-11);
      color: var(--fg-dim);
      font-family: ui-monospace, Menlo, Consolas, monospace;
    }
    .model-loading { color: var(--fg-dim); font-size: var(--fs-13); padding: 8px 2px; }

    .toast {
      position: fixed;
      bottom: 24px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--panel);
      border: 1px solid var(--border);
      padding: 10px 18px;
      border-radius: var(--radius-pill);
      font-size: var(--fs-13);
      color: var(--fg);
      box-shadow: var(--shadow-lg);
      z-index: 200;
      max-width: 80vw;
      opacity: 0;
      transition: opacity 0.2s, transform 0.2s;
      pointer-events: none;
    }
    .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
    .toast.ok { border-color: var(--mint-deep); color: var(--mint-deep); }
    .toast.err { border-color: var(--err); color: var(--err); }

    @media (max-width: 720px) {
      .skills-view { padding: 18px 16px 40px; }
      .skills-view-head h2 { font-size: var(--fs-18); }
      .skills-grid { grid-template-columns: 1fr; }
      .kv-grid { grid-template-columns: 90px 1fr; font-size: var(--fs-13); }
      .modal { height: 92vh; max-height: 92vh; }
      .modal-head { padding: 12px 14px; }
      .modal-body { padding: 14px 16px; }
      /* 手机上 tab 栏改成横向滚动条 */
      .modal-layout { flex-direction: column; }
      .modal-tabs {
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
        overflow-y: hidden;
        padding: 8px 10px;
        gap: 6px;
        border-right: none;
        border-bottom: 1px solid var(--divider);
        flex-shrink: 0;
      }
      .modal-tab {
        white-space: nowrap;
        padding: 7px 12px;
        font-size: var(--fs-13);
      }
      .form-row { grid-template-columns: 1fr; }
    }