/* Yaoyorozu AI ToolBox — home page only: the case gallery and its preview dialog. Loaded after styles.css by
   index.html; case.html does not load it. Posters are shown whole (object-fit: contain) because their
   text and diagrams have to stay readable. Breakpoints follow styles.css: 600px, 900px, 1100px. */

/* Canvas: faint warm glows behind the intro and the first row of cases. */
body.home {
  background-image:
    radial-gradient(42rem 26rem at 6% 3rem, rgba(255, 190, 140, 0.30), transparent 70%),
    radial-gradient(38rem 24rem at 94% 9rem, rgba(176, 222, 190, 0.28), transparent 70%),
    radial-gradient(32rem 20rem at 52% 30rem, rgba(208, 198, 244, 0.20), transparent 70%);
  background-repeat: no-repeat;
}

/* The intro stays short so the first row of cases is in view on a laptop screen. */
.home .intro { padding-bottom: 1.25rem; }
.home .cases.gallery { padding-top: 0.5rem; border-top: 0; }
.gallery .btn { border-radius: 999px; }

/* Heading, count and field chips */

.gallery-head {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 0.25rem 2rem;
  margin-bottom: 0.75rem;
}
.gallery-heading { min-width: 0; max-width: 42rem; }
.gallery-note { margin-top: 0.25rem; font-size: 0.9375rem; line-height: 1.65; color: var(--ink-soft); }
.gallery-count {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 0.25rem;
  font-size: 0.875rem; color: var(--ink-soft); font-variant-numeric: tabular-nums;
}
.gallery-count strong { font-family: var(--mincho); font-size: 1.5rem; line-height: 1; color: var(--ink); }
.gallery-count-total { margin-left: 0.5rem; }

/* Phones: one scrolling row of chips. Wider screens wrap them. The block padding leaves room for focus rings. */
.gallery-filter {
  position: relative; display: flex; gap: 0.375rem;
  margin: -0.375rem calc(-1 * var(--pad-r)) 0 calc(-1 * var(--pad-l));
  padding: 0.375rem var(--pad-r) 0.5rem var(--pad-l);
  overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: thin;
}
.gallery-chip {
  flex: none; display: inline-flex; align-items: center; gap: 0.375rem;
  min-height: 2.75rem; padding: 0 0.9375rem;
  border: 1px solid var(--rule); border-radius: 999px; background: var(--field); color: var(--ink);
  font-size: 0.875rem; font-weight: 600; line-height: 1.2; white-space: nowrap;
}
.gallery-chip-count { font-size: 0.75rem; font-weight: 400; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.gallery-chip[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: var(--paper); font-weight: 700; }
.gallery-chip[aria-pressed="true"] .gallery-chip-count { color: var(--paper-deep); }

.gallery-query { display: flex; flex-wrap: wrap; align-items: center; gap: 0 1.25rem; margin-top: 0.25rem; font-size: 0.9375rem; }
.gallery-query-text { min-width: 0; font-weight: 700; overflow-wrap: anywhere; }
.gallery-to-catalog { display: inline-flex; align-items: center; min-height: 2.75rem; font-weight: 700; }
.gallery-link-count { font-weight: 400; font-variant-numeric: tabular-nums; }

/* Grid: 1 column on phones, 2 on tablets, 3 on desktop. */

.gallery-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.25rem; margin-top: 1rem; }

.gallery-card {
  position: relative; display: flex; flex-direction: column; min-width: 0;
  padding: 0.5rem; border-radius: 1.5rem; background: var(--field);
  box-shadow: 0 0 0 1px rgba(23, 21, 15, 0.07), 0 1px 2px rgba(23, 21, 15, 0.04), 0 14px 32px -22px rgba(23, 21, 15, 0.3);
}
.gallery-frame {
  display: grid; place-items: center; aspect-ratio: 16 / 10; padding: 4.5%;
  border-radius: 1.125rem; overflow: hidden;
  background:
    radial-gradient(90% 80% at 25% 15%, hsl(var(--g-hue, 28) 80% 96%), transparent 70%),
    hsl(var(--g-hue, 28) 50% 89%);
}
.gallery-frame img {
  width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain;
  border-radius: 0.5rem; background: var(--field);
  box-shadow: 0 0 0 1px rgba(23, 21, 15, 0.08), 0 12px 24px -16px hsl(var(--g-hue, 28) 40% 25% / 0.6);
}
/* No poster: the frame shows the skill name instead of an empty box. */
.gallery-frame.is-missing::after {
  content: attr(data-fallback); padding: 1rem; text-align: center; overflow-wrap: anywhere;
  font-family: var(--mincho); font-weight: 700; font-size: 1.375rem; line-height: 1.4;
}

.gallery-body { display: flex; flex-direction: column; flex: 1; min-width: 0; padding: 0.875rem 0.625rem 0.625rem; }
.gallery-cat { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.8125rem; font-weight: 700; line-height: 1.5; color: var(--ink-soft); }
.gallery-cat::before { content: ""; flex: none; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: hsl(var(--g-hue, 28) 65% 45%); }
.gallery-name { margin-top: 0.25rem; text-wrap: pretty; }
.gallery-link { display: block; color: var(--ink); text-decoration: none; }
/* The whole card is the link's hit area; the link itself stays one element for assistive tech. */
.gallery-link::after { content: ""; position: absolute; inset: 0; z-index: 1; border-radius: 1.5rem; }
.gallery-link:focus-visible { outline: none; box-shadow: none; }
.gallery-link:focus-visible::after { outline: 3px solid var(--ink); outline-offset: 3px; box-shadow: 0 0 0 6px var(--lime); }
.gallery-skill { display: block; font-size: 1.375rem; font-weight: 800; line-height: 1.3; overflow-wrap: anywhere; }
.gallery-title {
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden;
  margin-top: 0.375rem; font-weight: 600; font-size: 1.0625rem; line-height: 1.5; overflow-wrap: anywhere;
}
.gallery-summary {
  margin-top: 0.625rem; font-size: 0.875rem; line-height: 1.75; color: var(--ink-soft);
}

.gallery-card.is-placeholder .gallery-frame { background: var(--paper-deep); }
.gallery-card.is-placeholder .gallery-body span { display: block; height: 0.875rem; margin-top: 0.625rem; border-radius: 999px; background: var(--paper-deep); }
.gallery-card.is-placeholder .gallery-body span:first-child { width: 30%; margin-top: 0; }
.gallery-card.is-placeholder .gallery-body span:nth-child(2) { width: 65%; height: 1.25rem; }
.gallery-card.is-placeholder .gallery-body span:last-child { width: 85%; }

.gallery-empty {
  max-width: 40rem; margin-top: 1rem; padding: 1.5rem 1.25rem;
  border-radius: 1.5rem; background: var(--field); box-shadow: 0 0 0 1px var(--rule);
}
.gallery-empty p + p { margin-top: 0.5rem; }

/* Preview dialog */

/* While open, the page keeps its scroll position; the reserved gutter avoids a sideways jump. */
html.has-preview { overflow: hidden; scrollbar-gutter: stable; }

.preview {
  width: min(78rem, calc(100% - 2rem)); max-width: none;
  max-height: calc(100vh - 2rem); max-height: calc(100dvh - 2rem);
  margin: auto; padding: 0; border: 0; overflow: visible;
  background: transparent; color: var(--ink);
}
.preview::backdrop { background: rgba(28, 24, 16, 0.58); }
.preview-sheet {
  position: relative;
  max-height: calc(100vh - 2rem); max-height: calc(100dvh - 2rem);
  overflow-y: auto; overscroll-behavior: contain;
  border-radius: 1.5rem;
  background:
    radial-gradient(40rem 18rem at 0% 0%, rgba(255, 196, 150, 0.22), transparent 70%),
    var(--field);
  box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.5);
}
/* Stays at the top while the sheet scrolls, so closing is always one tap away. */
.preview-bar {
  position: sticky; top: 0; z-index: 2;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.5rem 0.5rem 0.5rem 1.25rem;
  border-bottom: 1px solid var(--rule); background: rgba(251, 249, 243, 0.96);
}
.preview-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0 1rem; min-width: 0; font-size: 0.8125rem; line-height: 1.6; color: var(--ink-soft); }
.preview-close {
  flex: none; display: inline-flex; align-items: center; gap: 0.375rem;
  min-height: 2.75rem; padding: 0 1rem 0 0.75rem;
  border: 1px solid var(--rule); border-radius: 999px; background: var(--field); color: var(--ink);
  font-size: 0.875rem; font-weight: 700;
}
.preview-close .icon { width: 1.25rem; height: 1.25rem; stroke-width: 2; }

.preview-body { display: grid; grid-template-areas: "title" "summary" "media" "info" "share"; gap: 1rem; padding: 1rem 1.25rem 1.5rem; }
.preview-title { grid-area: title; min-width: 0; }
.preview-skill { display: block; font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem); font-weight: 800; line-height: 1.2; overflow-wrap: anywhere; text-wrap: balance; }
.preview-case { display: block; margin-top: 0.5rem; font-weight: 600; font-size: 1.125rem; line-height: 1.5; overflow-wrap: anywhere; }

.preview-media { grid-area: media; min-width: 0; }
.preview-switch { display: inline-flex; flex-wrap: wrap; max-width: 100%; gap: 0.25rem; margin-bottom: 0.625rem; padding: 0.25rem; border-radius: 999px; background: var(--paper-deep); }
.preview-tab {
  min-height: 2.75rem; min-width: 5.5rem; padding: 0 1.125rem;
  border: 0; border-radius: 999px; background: transparent; color: var(--ink-soft);
  font-size: 0.9375rem; font-weight: 700;
}
.preview-tab[aria-pressed="true"] { background: var(--field); color: var(--ink); box-shadow: 0 0 0 1px rgba(23, 21, 15, 0.1), 0 1px 3px rgba(23, 21, 15, 0.15); }
.preview-stage { position: relative; overflow: hidden; border-radius: 1rem; background: #1d1a14; }
.preview-stage video { width: 100%; height: auto; max-height: 70vh; aspect-ratio: 16 / 9; object-fit: contain; background: #1d1a14; }
.preview-stage.is-demo { background: #fff; box-shadow: 0 0 0 1px var(--rule); }
.preview-stage iframe { display: block; width: 100%; height: min(72vh, 46rem); border: 0; background: #fff; }
.preview-still { position: relative; display: grid; place-items: center; min-height: 12rem; aspect-ratio: 16 / 9; background: var(--paper-deep); }
.preview-still img { width: 100%; height: 100%; object-fit: contain; }
.preview-still-note {
  position: absolute; left: 0.75rem; right: 0.75rem; bottom: 0.75rem;
  padding: 0.5rem 0.75rem; border-radius: 0.75rem; background: rgba(251, 249, 243, 0.96);
  font-size: 0.875rem; line-height: 1.6;
}
.preview-caption { margin-top: 0.5rem; font-size: 0.8125rem; line-height: 1.6; color: var(--ink-soft); }
.preview-caption:empty { display: none; }

.preview-info { grid-area: info; display: grid; align-content: start; gap: 0.875rem; min-width: 0; }
.preview-summary { grid-area: summary; min-width: 0; line-height: 1.8; }
.preview-share { grid-area: share; min-width: 0; }
.preview-note { padding: 0.625rem 0.875rem; border: 1px solid var(--rule); border-radius: 0.75rem; background: var(--paper); font-size: 0.875rem; line-height: 1.65; }
.preview-actions { display: grid; gap: 0.5rem; }
.preview .btn { width: 100%; border-radius: 999px; }
.preview-hint { font-size: 0.875rem; font-weight: 700; line-height: 1.6; }
.preview-prompt summary {
  display: inline-flex; align-items: center; min-height: 2.75rem; cursor: pointer;
  font-size: 0.9375rem; font-weight: 700; text-decoration: underline; text-underline-offset: 0.22em;
}
.preview-prompt-text {
  max-height: 16rem; overflow: auto; padding: 0.75rem 0.875rem;
  border: 1px solid var(--rule); border-radius: 0.75rem; background: var(--paper);
  font-family: var(--sans); font-size: 0.9375rem; line-height: 1.75;
  white-space: pre-wrap; overflow-wrap: anywhere; -webkit-user-select: text; user-select: text;
}
.preview-copy-buffer { position: fixed; top: 0; left: 0; width: 1px; height: 1px; padding: 0; border: 0; opacity: 0; pointer-events: none; }

/* Phones: the preview fills the screen and respects the notch and home indicator. */
@media (max-width: 599px) {
  .preview { width: 100%; height: 100%; height: 100dvh; max-height: none; margin: 0; }
  .preview-sheet { height: 100%; max-height: none; border-radius: 0; padding-bottom: env(safe-area-inset-bottom); }
  .preview-bar { padding: max(0.5rem, env(safe-area-inset-top)) max(0.5rem, env(safe-area-inset-right)) 0.5rem max(1rem, env(safe-area-inset-left)); }
  .preview-body { padding-left: max(1rem, env(safe-area-inset-left)); padding-right: max(1rem, env(safe-area-inset-right)); }
  .preview-stage iframe { height: 70vh; height: 70svh; min-height: 22rem; }
}

@media (min-width: 600px) {
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem 1.25rem; }
}

@media (min-width: 900px) {
  .home .intro { padding-top: 2.25rem; padding-bottom: 1.75rem; }
  .home .cases.gallery { padding-top: 0.75rem; }
  .gallery-filter { flex-wrap: wrap; margin: 0; padding: 0; overflow: visible; }

  .preview-bar { padding-left: 1.75rem; }
  .preview-body {
    grid-template-columns: minmax(0, 1fr) minmax(17rem, 21rem);
    grid-template-rows: auto auto 1fr auto;
    grid-template-areas: "media title" "media summary" "media info" "share .";
    gap: 1rem 2rem; padding: 1.5rem 1.75rem 1.75rem;
  }
}

@media (min-width: 1100px) {
  .gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem 1.5rem; }
}

/* Short landscape screens: the stage leaves room for the controls around it. */
@media (max-height: 500px) and (orientation: landscape) {
  .preview-stage video { max-height: 60vh; }
  .preview-stage iframe { height: 80vh; }
}

@media (prefers-reduced-motion: no-preference) {
  .gallery-card { transition: transform 200ms ease-out, box-shadow 200ms ease-out; }
  .gallery-chip, .preview-tab, .preview-close { transition: background-color 150ms ease-out, color 150ms ease-out; }
  .preview[open] .preview-sheet { animation: preview-in 220ms cubic-bezier(0.2, 0.8, 0.2, 1); }
  .preview[open]::backdrop { animation: preview-fade 200ms ease-out; }
}
@keyframes preview-in { from { opacity: 0; transform: translateY(0.75rem) scale(0.985); } }
@keyframes preview-fade { from { opacity: 0; } }

@media (hover: hover) and (pointer: fine) {
  .gallery-card:hover { box-shadow: 0 0 0 1px rgba(23, 21, 15, 0.12), 0 2px 4px rgba(23, 21, 15, 0.05), 0 22px 40px -22px rgba(23, 21, 15, 0.38); }
  .gallery-card:hover .gallery-skill { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.2em; }
  .gallery-chip:not([aria-pressed="true"]):hover, .preview-close:hover { background: var(--paper-deep); }
  .preview-tab:not([aria-pressed="true"]):hover { color: var(--ink); }
}
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .gallery-card:hover { transform: translateY(-3px); }
}