/* Free browser tools. Uses the colour and font variables from site.css. */
.tool-page { padding: 8px 0 24px; }
/* site.css gives every section large padding and a narrow h2; undo that on tool pages. */
.tool-page section:not(.tool-card) { padding: 0; }
.tool-page section h2 { max-width: none; letter-spacing: -.01em; }
.tool-head { padding: 36px 0 18px; }
.tool-crumb { font-size: 14px; color: var(--muted); margin: 0 0 8px; }
.tool-crumb a { color: var(--muted); }
.tool-head h1 { font-family: var(--serif); font-size: clamp(28px, 4.4vw, 40px); line-height: 1.25; margin: 0 0 12px; letter-spacing: -.01em; }
.tool-lead { color: var(--muted); font-size: 17px; margin: 0 0 12px; max-width: 760px; }
.tool-privacy { display: inline-flex; gap: 8px; align-items: center; font-size: 14px; color: var(--success); background: var(--success-soft); padding: 4px 12px; border-radius: 999px; }
.tool-privacy::before { content: "●"; font-size: 10px; }

.tool-card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 20px; box-shadow: 0 2px 16px rgba(27, 42, 65, .06); }
.tool-tabs + .tool-card { border-top-left-radius: 0; }
.tool-tabs { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: -1px; position: relative; }
.tool-tab { appearance: none; border: 1px solid transparent; border-bottom: 0; background: none; padding: 10px 16px; font: inherit; font-size: 15px; color: var(--muted); cursor: pointer; border-radius: 10px 10px 0 0; }
.tool-tab[aria-selected="true"] { background: var(--surface); border-color: var(--line); color: var(--text); font-weight: 600; }
.tool-label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 6px; }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.tool-field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.tool-card input, .tool-card select, .tool-card textarea { font: 15px/1.5 var(--sans); color: var(--text); background: var(--paper); border: 1px solid var(--line-strong); border-radius: 8px; padding: 8px 10px; width: 100%; }
.tool-card input.num { font-family: var(--mono); }
.tool-card textarea { min-height: 240px; resize: vertical; line-height: 1.7; padding: 12px 14px; }
.tool-card textarea.drop { outline: 2px dashed var(--accent); outline-offset: 2px; background: var(--accent-soft); }
.tool-controls { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; margin-top: 12px; }
.tool-controls .btn { height: 40px; font-size: 15px; }
.tool-controls .btn.run { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.tool-controls .btn.run:hover { background: var(--accent-hover); }
.tool-check { display: inline-flex; gap: 6px; align-items: center; font-size: 14px; color: var(--muted); }
.tool-check input { width: auto; }
.tool-status { font-size: 13px; color: var(--muted); }
.tool-count { margin-left: auto; font-size: 13px; color: var(--faint); }
.tool-hint { font-size: 13px; color: var(--faint); }
.tool-err { color: var(--danger); font-size: 14px; }

.tool-results { margin-top: 22px; }
.tool-summary { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; }
.tool-chip { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 4px 12px; font: inherit; font-size: 14px; cursor: pointer; color: var(--text); }
.tool-chip[aria-pressed="true"] { background: var(--accent); color: #fff; border-color: var(--accent); }
.tool-chip b { font-variant-numeric: tabular-nums; }
.tool-list, .tool-rows { display: grid; gap: 10px; }
.tool-item, .tool-row { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--line-strong); border-radius: 10px; padding: 12px 16px; }
.tool-item.undefined, .tool-item.late, .tool-row.bad { border-left-color: var(--danger); }
.tool-item.conflict, .tool-row.warn { border-left-color: var(--warning); }
.tool-item.info { border-left-color: var(--faint); }
.tool-item.ok, .tool-row.ok { border-left-color: var(--success); }
.tool-item-head { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: baseline; }
.tool-abbr { font-family: var(--mono); font-weight: 600; font-size: 17px; }
.tool-badge { font-size: 13px; padding: 1px 8px; border-radius: 6px; }
.tool-badge.undefined, .tool-badge.late { background: var(--danger-soft); color: var(--danger); }
.tool-badge.conflict { background: var(--warning-soft); color: var(--warning); }
.tool-badge.info { background: var(--surface-3); color: var(--muted); }
.tool-badge.ok { background: var(--success-soft); color: var(--success); }
.tool-scope { font-size: 13px; color: var(--muted); }
.tool-meta { font-size: 13px; color: var(--faint); margin-left: auto; }
.tool-note { margin: 6px 0 0; font-size: 14px; }
.tool-ctx { margin: 6px 0 0; font-size: 14px; color: var(--muted); }
.tool-ctx q { quotes: none; color: var(--text); }
.tool-ctx mark { background: var(--brand-soft); color: var(--text); padding: 0 2px; border-radius: 3px; }
.tool-empty { color: var(--muted); padding: 16px; text-align: center; }
.tool-copyrow { display: flex; justify-content: flex-end; margin-top: 12px; }

.tool-out { margin-top: 18px; }
.tool-stats { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }
.tool-stat { background: var(--surface-2); border-radius: 10px; padding: 10px 14px; min-width: 160px; }
.tool-stat .k { font-size: 13px; color: var(--muted); }
.tool-stat .v { font-family: var(--mono); font-size: 20px; font-weight: 600; }
.tool-stat .s { font-size: 12px; color: var(--muted); }
.tool-checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.tool-checks li { display: grid; grid-template-columns: 24px 1fr; gap: 6px; padding: 10px 12px; border-radius: 8px; background: var(--surface-2); font-size: 15px; }
.tool-checks li .i { font-weight: 700; text-align: center; }
.tool-checks li.ok .i { color: var(--success); }
.tool-checks li.warn { background: var(--warning-soft); }
.tool-checks li.warn .i { color: var(--warning); }
.tool-checks li.bad { background: var(--danger-soft); }
.tool-checks li.bad .i { color: var(--danger); }
.tool-checks li.na .i { color: var(--faint); }
.tool-checks small { display: block; color: var(--muted); font-size: 13px; }
.tool-row q { quotes: none; font-family: var(--serif); display: block; margin-bottom: 6px; }
.tool-row .line { font-size: 14px; color: var(--muted); margin-bottom: 6px; }
.tool-sum { margin: 0 0 12px; font-size: 15px; }

.tool-prose { margin: 44px 0 0; max-width: 820px; }
.tool-prose section h2 { font-family: var(--serif); font-size: 24px; margin: 32px 0 10px; }
.tool-prose h3 { font-size: 17px; margin: 20px 0 6px; }
.tool-prose ul { padding-left: 1.2em; }
.tool-prose li { margin: 4px 0; }
.tool-formula { font-family: var(--mono); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; font-size: 14px; overflow-x: auto; white-space: pre; }
.tool-cta { margin: 40px 0 16px; padding: 22px 24px; border-radius: 12px; background: var(--accent-soft); display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between; }
.tool-cta p { margin: 0; }

.tool-hub { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin: 8px 0 40px; }
.tool-hub a { display: block; text-decoration: none; color: inherit; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.tool-hub a:hover { border-color: var(--line-strong); box-shadow: 0 2px 16px rgba(27, 42, 65, .08); }
.tool-hub h2, .tool-page .tool-hub h2 { font-family: var(--serif); font-size: 21px; margin: 0 0 8px; }
.tool-hub p { margin: 0 0 12px; color: var(--muted); font-size: 15px; }
.tool-hub span { color: var(--accent); font-weight: 600; font-size: 15px; }

@media (max-width: 560px) {
  .tool-card { padding: 14px; }
  .tool-tab { padding: 8px 10px; font-size: 14px; }
  .tool-count, .tool-meta { margin-left: 0; width: 100%; }
}