/* Tools-surface chrome: hub tiles, folds, chips, compact mastheads.
   Loaded via mm_tools_surface_head() on /free-tools/ and every tool page.
   Token-only colors (css-hex-guard). */

/* ---- tile grid ---- */
.ft-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 14px; align-items: start; margin-top: 20px;
}
.ft-grid--crosslink { grid-template-columns: repeat(5, 1fr); }
.ft-tile {
  background: var(--mm-bg, #fff); border: 1px solid var(--color-neutral-200);
  border-radius: var(--mm-radius-lg); overflow: hidden;
  box-shadow: var(--mm-shadow-card);
  transition: box-shadow var(--mm-dur) var(--mm-ease), transform var(--mm-dur) var(--mm-ease);
}
.ft-tile:hover, .ft-tile:focus-within, .ft-tile.is-open {
  box-shadow: var(--mm-shadow-md); transform: translateY(-2px);
}
.ft-tile__link { display: block; color: inherit; text-decoration: none; }
.ft-tile__link:focus-visible { outline: 2px solid var(--color-accent-500); outline-offset: 2px; }
.ft-tile__visual { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.ft-tile__visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.ft-tile__cat {
  position: absolute; top: 10px; left: 10px; z-index: 1;
  padding: 4px 10px; border-radius: var(--mm-radius-pill);
  background: var(--mm-bg-overlay, rgba(255, 255, 255, 0.92)); color: var(--color-primary-700);
  font-family: var(--mm-font-mono, ui-monospace, monospace);
  font-size: 10px; font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase;
}
.ft-tile__body { padding: 12px 14px 12px; }
.ft-tile__name { margin: 0; font: 600 15px/1.3 var(--mm-font-body); color: var(--mm-navy); }
.ft-tile__more {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows var(--mm-dur) var(--mm-ease);
}
.ft-tile__more-in { overflow: hidden; min-height: 0; }
.ft-tile:hover .ft-tile__more,
.ft-tile:focus-within .ft-tile__more,
.ft-tile.is-open .ft-tile__more { grid-template-rows: 1fr; }
.ft-tile__desc { margin: 8px 0 6px; font: 400 13px/1.5 var(--mm-font-body); color: var(--mm-fg-muted); }
.ft-tile__cta { font: 600 13px var(--mm-font-body); color: var(--color-accent-500); }
.ft-tile:hover .ft-tile__cta { color: var(--color-accent-700); }

/* ---- folds (details accordions) ---- */
.ft-fold {
  border: 1px solid var(--color-neutral-200); border-radius: var(--mm-radius-lg);
  background: var(--mm-bg, #fff); margin: 14px 0; overflow: hidden;
}
.ft-fold__summary {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 18px; cursor: pointer; list-style: none;
}
.ft-fold__summary::-webkit-details-marker { display: none; }
.ft-fold__summary::after {
  content: ""; flex: 0 0 auto; width: 10px; height: 10px;
  border-right: 2px solid var(--mm-fg-muted); border-bottom: 2px solid var(--mm-fg-muted);
  transform: rotate(45deg); transition: transform var(--mm-dur) var(--mm-ease);
}
.ft-fold[open] > .ft-fold__summary::after { transform: rotate(225deg); }
.ft-fold__summary h2, .ft-fold__summary h3 { margin: 0; font-size: 18px; line-height: 1.3; }
.ft-fold__body { padding: 0 18px 16px; }

/* ---- calculator-spoke chips ---- */
.ft-chips { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.ft-chip {
  display: inline-block; padding: 8px 14px; border-radius: var(--mm-radius-pill);
  border: 1px solid var(--color-neutral-200); background: var(--mm-bg, #fff);
  color: var(--color-primary-700); font: 600 13.5px var(--mm-font-body);
  text-decoration: none; transition: border-color var(--mm-dur) var(--mm-ease);
}
.ft-chip:hover { border-color: var(--color-accent-500); color: var(--color-accent-700); }

/* ---- compact masthead ---- */
.ft-mast { display: grid; grid-template-columns: 1fr; gap: 20px; align-items: center; margin: 8px 0 20px; }
.ft-mast--media { grid-template-columns: minmax(0, 1fr) minmax(0, min(400px, 42%)); }
.ft-mast__eyebrow {
  font-family: var(--mm-font-mono, ui-monospace, monospace);
  font-size: 11px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-accent-700);
}
.ft-mast__title { margin: 6px 0 8px; color: var(--mm-navy); font-size: clamp(26px, 3.2vw, 34px); line-height: 1.15; }
.ft-mast__lede { margin: 0; color: var(--mm-fg-muted); font: 400 15.5px/1.55 var(--mm-font-body); max-width: 62ch; }
.ft-mast__extras { margin-top: 10px; }
.ft-mast__media {
  position: relative; margin: 0;
  aspect-ratio: 16 / 9;
  border-radius: var(--mm-radius-lg); overflow: hidden;
  border: 1px solid var(--color-neutral-200);
  box-shadow: var(--mm-shadow-card);
}
.ft-mast__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---- breakpoints ---- */
@media (max-width: 1100px) {
  .ft-grid, .ft-grid--crosslink { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .ft-grid, .ft-grid--crosslink { grid-template-columns: repeat(2, 1fr); }
  .ft-mast--media { grid-template-columns: 1fr; }
  .ft-mast__media { display: none; }
}
@media (max-width: 340px) {
  .ft-grid, .ft-grid--crosslink { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .ft-tile, .ft-tile__more, .ft-fold__summary::after { transition: none; }
}