/* Tool Combiner - loaded only on /tool-combiner/ */
.chain-wrap { display: flex; flex-direction: column; gap: 0; }
.chain-connector { display: flex; align-items: center; justify-content: center; height: 32px; color: var(--accent); font-size: 1.3rem; }
#stepsList { display: flex; flex-direction: column; gap: 0; counter-reset: step; }
.chain-wrap { position: relative; }
.step-card { position: relative; background: var(--surface-02); border-radius: var(--r-lg); overflow: visible; }
.step-card:has(.is-open) { z-index: 20; }
#stepsList { counter-reset: step; }
#stepsList > .step-card { counter-increment: step; }
.step-header { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--surface-03); border-radius: var(--r-lg) var(--r-lg) 0 0; }
.step-number { width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: var(--surface-base); font-size: 10px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.step-number::before { content: counter(step); }
.step-name { flex: 1; margin: 0; font-size: var(--fs-md); font-weight: 600; color: var(--text-primary); }
.step-actions { display: flex; gap: 2px; }
.step-remove { background: none; border: 0; cursor: pointer; color: var(--text-muted); font-size: var(--fs-lg); line-height: 1; padding: 4px 8px; border-radius: var(--r-sm); transition: color var(--t-fast), background var(--t-fast); }
.step-remove:hover { color: var(--text-primary); background: var(--surface-04); }
.step-remove--delete:hover { color: var(--color-error); }
.step-options { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 12px 14px; }
.step-option-group { display: flex; flex-direction: row; align-items: center; gap: 6px; width: auto; font-size: var(--fs-md); color: var(--text-secondary); }
.step-option-group input[type="text"], .step-option-group input[type="number"] { width: 6rem; padding: 4px 8px; font-size: var(--fs-md); }
.step-option-group select { height: 28px; padding: 3px 6px; font-size: var(--fs-md); width: auto; }
.add-step-btn { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; margin-top: var(--space-12); padding: 12px; border: 2px dashed var(--surface-04); border-radius: var(--r-lg); background: none; color: var(--text-muted); cursor: pointer; font-size: var(--fs-md); transition: border-color var(--t-fast), color var(--t-fast); }
.add-step-btn:hover { border-color: var(--accent); color: var(--accent); }
.tpl-section { margin-top: 60px; }
.tool-picker-overlay { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; background: var(--overlay-bg); }
.tool-picker-overlay[hidden] { display: none; }
.tool-picker { display: flex; flex-direction: column; width: 420px; max-width: 95vw; max-height: 70vh; overflow: clip; border-radius: var(--r-lg); background: var(--surface-02); box-shadow: var(--shadow-lg); }
.tool-picker-header { display: flex; align-items: center; gap: 10px; padding: 14px; background: var(--surface-03); }
.tool-picker-header input { flex: 1; }
.tool-picker-close { background: none; border: 0; cursor: pointer; color: var(--text-muted); font-size: 1.1rem; transition: color var(--t-fast); }
.tool-picker-close:hover { color: var(--text-primary); }
.tool-picker-list { overflow-y: auto; padding: 6px; display: flex; flex-direction: column; gap: 2px; }
.tool-picker-item { display: block; width: 100%; padding: 10px 12px; border: 0; border-radius: var(--r-md); background: none; color: var(--text-primary); text-align: left; font-size: .88rem; font-weight: 600; cursor: pointer; transition: background var(--t-fast); }
.tool-picker-item:hover, .tool-picker-item:focus-visible { background: var(--surface-03); }
.tool-picker-item small { display: block; margin-top: 2px; font-size: var(--fs-sm); font-weight: 400; color: var(--text-muted); }
.tpl-card { cursor: pointer; padding-bottom: 3.5rem; }
.tpl-card h3 { margin: 0 0 6px; }
.tpl-card > p { margin: 0 0 12px; font-size: var(--fs-sm); color: var(--text-muted); }
.tpl-steps-list { display: flex; flex-direction: column; gap: 3px; margin-bottom: 12px; }
.tpl-step-pill { display: flex; align-items: center; gap: 5px; font-size: 11px; color: var(--text-muted); }
.tpl-step-pill i { color: var(--accent); font-size: 10px; }
#tplTabs { margin-bottom: var(--space-16); }
.chain-wrap .textarea-wrapper { width: 100%; }
[hidden].chain-connector, #outputBlock[hidden] { display: none; }