/* 轻量工具共用的表单、结果和代码区域样式，避免各页面复制同一套布局。 */
.utility-form { max-width: 980px; }
.utility-form textarea,
.utility-form input,
.utility-form select {
    box-sizing: border-box;
    width: 100%;
    min-height: var(--tool-control-height);
    padding: var(--tool-control-padding) 12px;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 4px;
    font: inherit;
    font-size: var(--tool-input-font);
    line-height: 22px;
}
.utility-form textarea { height: var(--tool-editor-height); min-height: 96px; resize: vertical; font: 500 15px/1.6 ui-monospace, "Cascadia Code", Consolas, monospace; }
.utility-form textarea:focus,
.utility-form input:focus,
.utility-form select:focus { border-color: var(--forest); outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.utility-field-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(130px, 1fr) minmax(130px, 1fr); gap: 16px; }
.utility-field-grid label,
.utility-wide-field { display: grid; gap: 8px; font-weight: 700; }
.utility-wide-field { margin-top: 18px; }
.utility-note { margin: 16px 0 0; color: var(--muted); font-size: 14px; }
.utility-result { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.utility-result-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.utility-result-heading h2 { margin: 0; font-size: 18px; }
.utility-result-heading p { margin: 0; color: var(--muted); font-size: 14px; }
.utility-result pre { margin: 14px 0 0; min-height: 120px; max-height: 480px; overflow: auto; padding: 14px; white-space: pre-wrap; overflow-wrap: anywhere; color: var(--ink); background: var(--surface-soft); border: 1px solid var(--line); border-radius: 4px; font: 500 14px/1.65 ui-monospace, "Cascadia Code", Consolas, monospace; }
.utility-result textarea { margin-top: 14px; background: var(--surface-soft); }
.utility-output-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 14px; }
.utility-output-block { min-width: 0; }
.utility-output-block h3 { margin: 0 0 8px; font-size: 15px; }
.utility-output-block pre { margin-top: 0; }
.utility-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.utility-actions button { min-height: var(--tool-control-height); padding: var(--tool-control-padding) 12px; border: 1px solid var(--line); border-radius: 4px; color: var(--ink); background: transparent; cursor: pointer; font: inherit;
    font-size: var(--tool-input-font);
    line-height: 22px; font-weight: 700; }
.utility-actions button:hover { border-color: var(--forest); }
.utility-label { display: block; margin-bottom: 8px; font-weight: 700; }
.utility-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.utility-tabs button { min-height: var(--tool-control-height); padding: var(--tool-control-padding) 12px; border: 1px solid var(--line); border-radius: 4px; background: transparent; cursor: pointer; font: inherit;
    font-size: var(--tool-input-font);
    line-height: 22px; font-weight: 700; }
.utility-tabs button[aria-pressed="true"] { color: #fff; background: var(--forest); border-color: var(--forest); }
.utility-kv { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.utility-kv div { padding-top: 10px; border-top: 1px solid var(--line); }
.utility-kv dt { color: var(--muted); font-size: 13px; }
.utility-kv dd { margin: 4px 0 0; overflow-wrap: anywhere; font-weight: 700; }
.utility-claims { margin-top: 22px; }
.utility-claims h3 { margin: 0; font-size: 17px; }
.utility-claims .data-table-wrap { margin-top: 10px; overflow-x: auto; border-top: 1px solid var(--line); }
.utility-claims .data-table { width: 100%; table-layout: fixed; border-collapse: collapse; }
.utility-claims th,
.utility-claims td { padding: 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; overflow-wrap: anywhere; }
.utility-claims th { width: 30%; color: var(--muted); font-size: 13px; }
.utility-form [hidden] { display: none !important; }
.random-strength { margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.random-strength strong { color: var(--forest); }
@media (max-width: 700px) {
    .utility-field-grid, .utility-output-grid, .utility-kv { grid-template-columns: 1fr; }
    .utility-result-heading { align-items: flex-start; flex-direction: column; gap: 5px; }
}