.cron-root {
    --cron-primary: #8b5cf6;
    --cron-success: #10b981;
    --cron-card-bg: #fff;
    --cron-bg: #f8fafc;
    --cron-text: #0f172a;
    --cron-text-muted: #64748b;
    --cron-border: #e2e8f0;

    max-width: 900px;
    margin: 2rem auto;
    color: var(--cron-text);
  }

  .theme-dark .cron-root {
    --cron-card-bg: #1e293b;
    --cron-bg: #0f172a;
    --cron-text: #f1f5f9;
    --cron-text-muted: #94a3b8;
    --cron-border: #334155;
  }

  .cron-outer-card {
    background: var(--cron-card-bg);
    border: 1px solid var(--cron-border);
    border-radius: 1.5rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
    overflow: hidden;
  }

  .cron-hero {
    background: #0f172a;
    padding: 2.25rem 2rem 1.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
  }

  .cron-expr-row {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .cron-part-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
  }

  .cron-disp-part {
    font-size: 3rem;
    font-weight: 800;
    color: #a78bfa;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    transition: color 0.2s;
  }

  .cron-part-label {
    font-size: 0.65rem;
    font-weight: 600;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
  }

  .cron-human-wrap {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    padding: 0.5rem 1.25rem;
  }

  .cron-human-text {
    color: #cbd5e1;
    font-size: 0.925rem;
    font-weight: 500;
  }

  .cron-human-text[data-error] {
    color: #f87171;
  }

  .cron-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }

  .cron-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  @media (max-width: 700px) {
    .cron-grid {
      grid-template-columns: 1fr;
    }
  }

  .cron-controls {
    background: var(--cron-bg);
    border: 1px solid var(--cron-border);
    border-radius: 1rem;
    padding: 1.125rem;
  }

  .cron-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.125rem;
    border-bottom: 1px solid var(--cron-border);
    padding-bottom: 0.875rem;
  }

  .cron-tab-btn {
    padding: 0.375rem 1rem;
    border-radius: 0.5rem;
    border: none;
    background: transparent;
    color: var(--cron-text-muted);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
  }

  .cron-tab-btn[data-active] {
    background: rgba(139, 92, 246, 0.12);
    color: var(--cron-primary);
  }

  .cron-presets {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .cron-preset-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    padding: 0.75rem;
    background: var(--cron-card-bg);
    border: 1px solid var(--cron-border);
    border-radius: 0.75rem;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.15s, background 0.15s;
  }

  .cron-preset-btn:hover {
    border-color: var(--cron-primary);
    background: rgba(139, 92, 246, 0.06);
  }

  .cron-preset-label {
    font-size: 0.825rem;
    font-weight: 700;
    color: var(--cron-text);
  }

  .cron-preset-expr {
    font-size: 0.72rem;
    color: var(--cron-text-muted);
  }

  .cron-field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 0.75rem;
  }

  .cron-field:last-child {
    margin-bottom: 0;
  }

  .cron-field-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--cron-text-muted);
  }

  .cron-input {
    width: 100%;
    padding: 0.45rem 0.75rem;
    font-size: 0.875rem;
    background: var(--cron-card-bg);
    border: 1px solid var(--cron-border);
    border-radius: 0.5rem;
    color: var(--cron-text);
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
  }

  .cron-input:focus {
    border-color: var(--cron-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.14);
  }

  .cron-field-hint {
    font-size: 0.7rem;
    color: var(--cron-text-muted);
  }

  .cron-runs-section {
    background: var(--cron-bg);
    border: 1px solid var(--cron-border);
    border-radius: 1rem;
    padding: 1.125rem;
    display: flex;
    flex-direction: column;
  }

  .cron-runs-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--cron-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0 0 0.75rem;
  }

  .cron-runs-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    flex: 1;
  }

  .cron-run-skeleton {
    height: 2.25rem;
    background: var(--cron-card-bg);
    border-radius: 0.5rem;
    border: 1px solid var(--cron-border);
  }

  .cron-run-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    background: var(--cron-card-bg);
    border: 1px solid var(--cron-border);
    border-radius: 0.5rem;
    font-size: 0.825rem;
  }

  .cron-run-date {
    font-weight: 600;
    color: var(--cron-text);
    text-transform: capitalize;
  }

  .cron-run-rel {
    font-size: 0.72rem;
    color: var(--cron-text-muted);
  }

  .cron-no-runs {
    padding: 1rem;
    text-align: center;
    color: var(--cron-text-muted);
    font-size: 0.825rem;
    font-style: italic;
  }

  .cron-copy-btn {
    width: 100%;
    padding: 0.8rem;
    background: var(--cron-primary);
    color: #fff;
    border: none;
    border-radius: 0.875rem;
    font-size: 0.925rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
  }

  .cron-copy-btn:hover {
    background: #7c3aed;
  }

  .cron-copy-btn:active {
    transform: scale(0.98);
  }

  .cron-copy-btn[data-copied] {
    background: var(--cron-success);
  }

  @media (max-width: 480px) {
    .cron-disp-part {
      font-size: 2rem;
    }

    .cron-presets {
      grid-template-columns: 1fr;
    }
  }