/* Free static tools (templates/page-tool-*.php, assets/js/tools.js). Builds on .tool-* in sections.css; tokens from site.css. */

.tool-num { font-variant-numeric: tabular-nums; }
.tool-hero__intro { max-width: 760px; margin-top: 12px; }
.tool-card--wide { margin-top: clamp(22px, 3vw, 34px); }
.tool-card input[type="url"], .tool-card input[type="number"] { width: 100%; padding: 11px 13px; border-radius: var(--r-input); border: 1px solid var(--line); background: var(--bg); color: var(--ink); font: inherit; font-weight: 400; font-variant-numeric: tabular-nums; }
.tool-card input:focus-visible, .tool-card select:focus-visible { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); border-color: var(--accent); }
.tool-card label[hidden] { display: none; }

.tool-grid2 { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 560px) { .tool-grid2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.tool-grid2--end { align-items: end; }
.tool-fieldset { margin: 0; padding: 0; border: 0; min-width: 0; display: grid; gap: 6px; }
.tool-fieldset legend { padding: 0; margin-bottom: 6px; font-size: 14px; font-weight: 600; color: var(--ink-2); }
.tool-param { font-size: 11.5px; font-weight: 500; color: var(--muted); background: var(--sunken); padding: 1px 6px; border-radius: 6px; }
.tool-req { font-style: normal; color: var(--accent); }

/* Chips and segmented switch */
.tool-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.tool-chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 13px; border-radius: 99px; border: 1px solid var(--line); background: var(--bg); color: var(--ink-2); font: inherit; font-size: 14px; line-height: 1.2; cursor: pointer; transition: border-color .15s, background .15s, color .15s; }
.tool-chip:hover { border-color: var(--accent-line); color: var(--ink); }
.tool-chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.tool-chip .icon { width: 16px; height: 16px; }
.tool-chip:focus-visible, .tool-htag:focus-visible, .tool-copy:focus-visible, .tool-link-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.tool-seg { display: flex; padding: 3px; border-radius: 12px; background: var(--sunken); border: 1px solid var(--line); }
.tool-seg label { flex: 1; display: block; margin: 0; cursor: pointer; }
.tool-seg input { position: absolute; opacity: 0; pointer-events: none; }
.tool-seg span { display: block; padding: 8px 10px; border-radius: 9px; text-align: center; font-size: 14px; font-weight: 500; color: var(--muted); }
.tool-seg input:checked + span { background: var(--surface); color: var(--ink); box-shadow: 0 1px 3px rgb(0 0 0 / .12); }
.tool-seg input:focus-visible + span { outline: 2px solid var(--accent); }

.tool-link-btn { padding: 6px 4px; border: 0; background: none; color: var(--muted); font: inherit; font-size: 13.5px; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.tool-link-btn:hover { color: var(--ink); }
.tool-copy:disabled { opacity: .5; cursor: not-allowed; }
.tool-copy.is-done { border-color: var(--good); color: var(--good); }
.tool-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

/* Result box */
.tool-out { display: grid; gap: 8px; padding: 16px 18px; border-radius: var(--r-tile); background: var(--sunken); }
.tool-out__head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.tool-out__url { display: block; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13.5px; line-height: 1.55; color: var(--muted); overflow-wrap: anywhere; }
.tool-out__url.is-ready { color: var(--ink); }
.tool-warn { margin: 0; font-size: 13.5px; color: var(--ink-2); padding-left: 10px; border-left: 3px solid oklch(0.78 0.14 75); }
.tool-history summary { cursor: pointer; font-size: 14px; color: var(--muted); }
.tool-history ol { margin: 10px 0 6px; padding: 0; list-style: none; display: grid; gap: 6px; }
.tool-history li { display: flex; gap: 10px; align-items: center; justify-content: space-between; padding: 8px 10px; border-radius: 10px; background: var(--sunken); }
.tool-history li span { min-width: 0; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Engagement rate */
.tool-er__top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.tool-er__label { display: block; font-size: 13.5px; }
.tool-kpi { display: block; font-size: clamp(38px, 7vw, 52px); line-height: 1.05; letter-spacing: -.03em; color: var(--ink); }
.tool-badge { padding: 6px 12px; border-radius: 99px; font-size: 13.5px; font-weight: 600; }
.tool-badge--low { background: color-mix(in srgb, #e5484d 16%, var(--surface)); color: var(--ink); }
.tool-badge--mid { background: var(--accent-soft); color: var(--ink); }
.tool-badge--high { background: color-mix(in srgb, var(--good) 20%, var(--surface)); color: var(--ink); }
.tool-band { position: relative; height: 12px; border-radius: 99px; background: var(--line); margin: 6px 0 2px; }
.tool-band__zone { position: absolute; top: 0; bottom: 0; border-radius: 99px; background: color-mix(in srgb, var(--good) 55%, transparent); }
.tool-band__mark { position: absolute; top: -5px; width: 4px; height: 22px; margin-left: -2px; border-radius: 4px; background: var(--ink); box-shadow: 0 0 0 2px var(--sunken); transition: left .3s var(--ease); }
.tool-band__legend, .tool-er__formula { margin: 0; font-size: 13.5px; }
.tool-hint { padding: 12px 14px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); }
.tool-hint b { display: block; margin-bottom: 4px; font-size: 14px; }
.tool-hint p { margin: 0; font-size: 14.5px; line-height: 1.55; color: var(--ink-2); }

/* Tables (benchmarks, limits) */
.tool-table-wrap { overflow-x: auto; border-radius: var(--r-tile); border: 1px solid var(--line); background: var(--surface); }
.tool-table { width: 100%; min-width: 520px; border-collapse: collapse; font-size: 15px; }
.tool-table th, .tool-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); }
.tool-table thead th { font-size: 13px; font-weight: 600; color: var(--muted); background: var(--sunken); }
.tool-table tbody tr:last-child > * { border-bottom: 0; }
.tool-table tbody th { font-weight: 600; }
.tool-footnote { margin: 14px 0 0; font-size: 13.5px; line-height: 1.55; max-width: 820px; }

/* Character counter */
.tool-chars { display: grid; gap: 18px; }
@media (min-width: 900px) { .tool-chars { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); align-items: start; } }
.tool-chars__main { display: grid; gap: 14px; min-width: 0; }
.tool-chars textarea { min-height: 200px; }
.tool-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 0; }
@media (min-width: 560px) { .tool-stats { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.tool-stats div { padding: 10px 12px; border-radius: 12px; background: var(--sunken); }
.tool-stats dt { font-size: 12px; color: var(--muted); }
.tool-stats dd { margin: 2px 0 0; font-size: 20px; font-weight: 600; }
.tool-limits { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; }
.tool-limits li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; align-items: baseline; padding: 9px 12px; border-radius: 12px; }
.tool-limits li:nth-child(odd) { background: var(--sunken); }
.tool-limits__name { font-size: 14px; font-weight: 500; }
.tool-limits__count { font-size: 13.5px; color: var(--muted); }
.tool-limits__count b { color: var(--ink); }
.tool-limits__bar { grid-column: 1 / -1; height: 5px; border-radius: 99px; background: var(--line); overflow: hidden; }
.tool-limits__bar i { display: block; height: 100%; width: 0; border-radius: inherit; background: var(--accent); transition: width .2s var(--ease); }
.tool-limits__left { grid-column: 1 / -1; font-size: 12.5px; }
.tool-limits li.is-near .tool-limits__bar i { background: oklch(0.75 0.15 70); }
.tool-limits li.is-over .tool-limits__bar i { background: #e5484d; }
.tool-limits li.is-over .tool-limits__left, .tool-limits li.is-over .tool-limits__count b { color: #e5484d; font-weight: 600; }
.tool-preview { padding: 14px 16px; border-radius: var(--r-tile); border: 1px dashed var(--line); display: grid; gap: 10px; }
.tool-preview__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; font-size: 14px; }
.tool-preview__head select { width: auto; max-width: 100%; padding: 7px 10px; font-size: 13.5px; }
.tool-preview__body { margin: 0; line-height: 1.55; overflow-wrap: anywhere; }
.tool-preview__more { color: var(--muted); white-space: nowrap; }

/* Image sizes */
.tool-filters { display: grid; gap: 10px; }
.tool-count { margin: 0; font-size: 13.5px; }
.tool-sizes { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 560px) { .tool-sizes { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 960px) { .tool-sizes { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.tool-size { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 14px; align-items: start; padding: 14px; border-radius: var(--r-tile); background: var(--sunken); }
.tool-size[hidden] { display: none; }
.tool-size__frame { display: grid; place-items: center; min-height: 18px; margin: 0 auto; overflow: hidden; border-radius: 8px; border: 2px solid var(--accent-line); background: var(--accent-soft); color: var(--accent); font-size: 11.5px; font-weight: 600; }
.tool-size__body { display: grid; gap: 4px; min-width: 0; justify-items: start; }
.tool-size__net { font-size: 12.5px; color: var(--muted); }
.tool-size h3 { margin: 0; font-size: 15.5px; line-height: 1.3; }
.tool-size__px { margin: 2px 0 0; font-size: 14px; color: var(--muted); }
.tool-size__px b { font-size: 19px; color: var(--ink); letter-spacing: -.01em; }
.tool-size__note { margin: 0; font-size: 13px; line-height: 1.45; }
.tool-size .tool-copy { margin-top: 6px; font-variant-numeric: tabular-nums; }
.tool-empty { margin: 0; padding: 18px; border-radius: 14px; background: var(--sunken); text-align: center; color: var(--muted); }

/* Hashtags */
.tool-hsets { display: grid; gap: 12px; }
.tool-hsets[hidden] { display: none; }
.tool-hgroup { padding: 14px 16px; border-radius: var(--r-tile); background: var(--sunken); }
.tool-hgroup header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 12px; margin-bottom: 10px; font-size: 14px; }
.tool-htags { display: flex; flex-wrap: wrap; gap: 6px; }
.tool-htag { padding: 6px 11px; border-radius: 99px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; font-size: 14px; cursor: pointer; transition: background .15s, border-color .15s, color .15s; }
.tool-htag:hover:not(:disabled) { border-color: var(--accent); }
.tool-htag[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.tool-htag:disabled { color: var(--faint); border-style: dashed; cursor: default; }
.tool-selbar { position: sticky; bottom: 12px; z-index: 2; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; padding: 12px 14px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); font-size: 14px; }
.tool-selbar__warn { font-size: 13px; }
.tool-selbar__btns { display: flex; gap: 8px; align-items: center; margin-left: auto; }
.tool-selbar .btn:disabled { opacity: .5; cursor: not-allowed; }

/* Related tools */
.tool-related { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 640px) { .tool-related { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .tool-related { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.tool-related__card { display: grid; gap: 6px; padding: 18px 20px; border-radius: var(--r-tile); background: var(--surface); border: 1px solid var(--line); color: var(--ink); text-decoration: none; transition: border-color .15s, transform .2s var(--ease); }
.tool-related__card:hover { border-color: var(--accent); transform: translateY(-2px); }
.tool-related__card span:last-child { font-size: 14.5px; line-height: 1.5; color: var(--muted); }
.tool-related__icon { display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 4px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); }
.tool-related__icon .icon { width: 22px; height: 22px; }

@media (prefers-reduced-motion: reduce) {
  .tool-band__mark, .tool-limits__bar i, .tool-related__card { transition: none; }
}