/* /home-aligned image studio. Photography leads; the shell uses the blue grid. */
.img-showcase, .isc-modal {
  --isc-bg: #fff;
  --isc-soft: #f7f9fc;
  --isc-ink: #0f0f13;
  --isc-muted: #5e5e61;
  --isc-border: #e6e9f0;
  --isc-blue: #2563c9;
  --isc-blue-ink: #1f4f9e;
  --isc-blue-soft: #e7eefb;
  --isc-grid: rgba(178,186,215,.35);
  --isc-glow: #dbe6fb;
  --isc-gradient: linear-gradient(180deg,#3a78d8,#1f4f9e);
  --isc-shadow: 0 1px 2px rgba(15,15,19,.04),0 12px 32px rgba(26,47,86,.08);
  font-family: "IRANSansX",Tahoma,"Segoe UI",sans-serif;
  color: var(--isc-ink);
  font-size: 14px;
  text-align: start;
  -webkit-font-smoothing: antialiased;
}
html[data-theme="dark"] .img-showcase, html[data-theme="dark"] .isc-modal {
  --isc-bg: #171a21;
  --isc-soft: #1c2029;
  --isc-ink: #f3f4f6;
  --isc-muted: #afb4c1;
  --isc-border: #2b303c;
  --isc-blue: #5b95ea;
  --isc-blue-ink: #9fc0f5;
  --isc-blue-soft: #16243d;
  --isc-grid: rgba(81,95,140,.28);
  --isc-glow: rgba(37,99,201,.22);
  --isc-gradient: linear-gradient(180deg,#3f7fe0,#2455a8);
  --isc-shadow: 0 1px 2px rgba(0,0,0,.2),0 12px 32px rgba(0,0,0,.25);
}
.img-showcase *, .isc-modal * { box-sizing: border-box; }
.img-showcase button, .isc-modal button, .isc-modal input, .isc-modal textarea { font-family: inherit; font-size: 14px; }
.img-showcase button, .isc-modal button { cursor: pointer; -webkit-tap-highlight-color: transparent; }
.img-showcase button:disabled, .isc-modal button:disabled { cursor: default; opacity: .45; }
.img-showcase :focus-visible, .isc-modal :focus-visible { outline: 3px solid var(--isc-blue); outline-offset: 3px; }
.img-showcase {
  --isc-rail-w: 186px;
  --isc-rail-h: 232px;
  width: 100%;
  max-width: min(800px, calc(100% - 48px));
  margin: 0 auto 10px;
  padding: 0 4px;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  position: relative;
  pointer-events: auto;
  flex-shrink: 0;
}
.img-showcase[hidden] { display: none !important; }
.img-showcase::before { display: none; }
.isc-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.isc-heading { display: flex; align-items: center; gap: 12px; min-width: 0; }
.isc-brand-badge { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--isc-border); border-radius: 12px; flex-shrink: 0; color: var(--isc-blue-ink); background: var(--isc-blue-soft); }
.isc-heading h2 { margin: 0 0 4px; font-size: 18px; line-height: 1.5; font-weight: 700; color: var(--isc-ink); letter-spacing: -.025em; }
.isc-heading p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--isc-muted); }
.isc-head-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.isc-icon { width: 40px; height: 40px; padding: 0; display: inline-grid; place-items: center; border: 1px solid var(--isc-border); border-radius: 12px; background: var(--isc-bg); color: var(--isc-ink); flex-shrink: 0; }
.isc-icon:hover { background: var(--isc-soft); }
.isc-all { min-height: 40px; display: inline-flex; align-items: center; gap: 8px; padding: 0 12px; border: 1px solid var(--isc-border); border-radius: 12px; color: var(--isc-blue-ink); background: var(--isc-bg); font-weight: 600; white-space: nowrap; }
.isc-all:hover { border-color: var(--isc-blue); }
.isc-all b { font-size: 14px; font-weight: 500; background: var(--isc-blue-soft); min-width: 24px; padding: 1px 6px; border-radius: 6px; }
.isc-collapse svg { transition: transform .2s; }
.is-collapsed .isc-collapse svg { transform: rotate(180deg); }
.img-showcase.is-collapsed { padding: 12px 18px; }
.is-collapsed .isc-head { margin: 0; }
.is-collapsed .isc-heading p { display: none; }
.is-collapsed .isc-heading h2 { margin: 0; }
.isc-cats { display: flex; align-items: center; gap: 8px; overflow-x: auto; padding: 3px 2px; margin: 0 0 12px; scrollbar-width: none; }
.isc-cats::-webkit-scrollbar, .isc-rail::-webkit-scrollbar { display: none; }
.isc-cat { height: 36px; padding: 0 14px; border: 1px solid var(--isc-border); border-radius: 10px; color: var(--isc-muted); background: var(--isc-bg); flex-shrink: 0; white-space: nowrap; }
.isc-cat.on { color: var(--isc-blue-ink); border-color: color-mix(in srgb,var(--isc-blue) 28%,var(--isc-border)); background: var(--isc-blue-soft); font-weight: 600; }
.isc-rail { display: flex; gap: 10px; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x mandatory; scrollbar-width: none; padding: 2px 0; overscroll-behavior-x: contain; -webkit-overflow-scrolling: touch; }
.isc-rail-card {
  position: relative;
  width: var(--isc-rail-w);
  height: var(--isc-rail-h);
  flex: 0 0 var(--isc-rail-w);
  padding: 0;
  border: 0;
  border-radius: 14px;
  overflow: hidden;
  scroll-snap-align: start;
  background: var(--isc-soft);
  color: #fff;
  text-align: center;
  transition: transform .2s ease, box-shadow .2s ease;
}
.isc-rail-media { display: block; width: 100%; height: 100%; overflow: hidden; background: var(--isc-soft); }
.isc-rail-media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.isc-rail-caption {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: 28px 8px 8px;
  font-size: 11px;
  line-height: 1.35;
  font-weight: 500;
  letter-spacing: -.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, .72) 100%);
  pointer-events: none;
}
.isc-rail-card .isc-placeholder { min-height: 100%; font-size: 12px; gap: 6px; }
.isc-rail-card .isc-placeholder > svg { width: 24px; height: 24px; }
.isc-rail-card:focus-visible { outline: 3px solid var(--isc-blue); outline-offset: 2px; }
@media (hover: hover) {
  .isc-rail-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(15, 15, 19, .14); }
  .isc-rail-card:hover .isc-rail-media img { transform: scale(1.03); transition: transform .35s ease; }
}
.isc-card { width: 166px; flex: 0 0 166px; background: var(--isc-bg); border: 1px solid var(--isc-border); border-radius: 16px; overflow: hidden; scroll-snap-align: start; position: relative; min-width: 0; transition: border-color .2s,box-shadow .2s; }
.isc-card-preview { display: block; position: relative; width: 100%; padding: 0; border: 0; background: var(--isc-soft); overflow: hidden; color: var(--isc-ink); }
.isc-media { display: block; width: 100%; aspect-ratio: 4/3; overflow: hidden; background: var(--isc-soft); }
.isc-media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.isc-placeholder { width: 100%; height: 100%; min-height: 100px; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 10px; background: linear-gradient(145deg,var(--isc-blue-soft),var(--isc-soft)); color: var(--isc-blue-ink); font-size: 14px; }
.isc-placeholder > svg { width: 32px; height: 32px; }
.isc-card-reveal { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: 8px; color: #fff; background: rgba(15,24,43,.32); opacity: 0; transition: opacity .2s; pointer-events: none; }
.isc-card-info { padding: 12px; }
.isc-card-category { font-size: 14px; color: var(--isc-muted); display: block; margin-bottom: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.isc-card h3 { font-size: 16px; font-weight: 600; line-height: 1.65; margin: 0 0 10px; white-space: nowrap; text-overflow: ellipsis; overflow: hidden; color: var(--isc-ink); }
.isc-card-use { display: flex; align-items: center; justify-content: space-between; gap: 4px; width: 100%; min-height: 36px; padding: 5px 0; border: 0; background: transparent; color: var(--isc-blue-ink); font-weight: 500; white-space: nowrap; }
.isc-card-use svg { width: 16px; height: 16px; flex-shrink: 0; }
.isc-card-preview:focus-visible { outline-offset: -4px; }
.isc-card-preview:focus-visible .isc-card-reveal { opacity: 1; }
@media (hover:hover) { .isc-card:hover { border-color: var(--isc-blue); box-shadow: var(--isc-shadow); } .isc-card:hover .isc-media img { transform: scale(1.045); } .isc-card-preview:hover .isc-card-reveal { opacity: 1; } }
.isc-nav { position: absolute; top: 46px; width: 40px; height: 40px; display: grid; place-items: center; padding: 0; border: 1px solid var(--isc-border); border-radius: 12px; box-shadow: var(--isc-shadow); background: var(--isc-bg); color: var(--isc-blue-ink); z-index: 2; }
.isc-nav--prev { inset-inline-start: -8px; }
.isc-nav--prev svg { transform: rotate(180deg); }
.isc-nav--next { inset-inline-end: -8px; }
.isc-nav:disabled { visibility: hidden; }
.isc-skeleton { width: var(--isc-rail-w); height: var(--isc-rail-h); flex: 0 0 var(--isc-rail-w); border-radius: 14px; background: linear-gradient(110deg,var(--isc-soft) 30%,var(--isc-blue-soft) 48%,var(--isc-soft) 65%); background-size: 220% 100%; animation: isc-shimmer 1.5s linear infinite; }
.isc-state { display: flex; gap: 16px; justify-content: space-between; align-items: center; padding: 16px; background: var(--isc-soft); border-radius: 14px; font-size: 16px; }
.main.has-img-showcase:not(.is-empty) .messages { padding-bottom: var(--isc-composer-space,420px); }
.main.is-empty.has-img-showcase .composer-wrap { flex: 0 0 auto; min-height: 0; padding-top: 12px; }
.main.is-empty.has-img-showcase .chat-stage { flex: 1 1 auto; min-height: 0; justify-content: center; overflow: hidden; }
.main:not(.is-empty) .img-showcase { padding: 0 12px; margin-bottom: 8px; }
html.isc-lock, html.isc-lock body { overflow: hidden !important; }
.isc-modal { position: fixed; inset: 0; z-index: 1200; display: flex; align-items: center; justify-content: center; padding: 28px; }
.isc-modal-scrim { position: absolute; inset: 0; background: rgba(15,24,43,.56); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.isc-dialog { position: relative; width: min(1080px,100%); max-height: calc(100dvh - 56px); background: var(--isc-bg); border: 1px solid var(--isc-border); border-radius: 28px; box-shadow: 0 30px 90px rgba(0,0,0,.22); overflow: auto; opacity: 0; transform: translateY(12px); transition: opacity .2s,transform .2s; }
.isc-modal.is-open .isc-dialog { opacity: 1; transform: none; }
.isc-gallery-dialog { display: flex; flex-direction: column; }
.isc-gallery-head { position: relative; isolation: isolate; display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; padding: 30px 32px 24px; flex-shrink: 0; overflow: hidden; background: radial-gradient(ellipse at 0 100%,var(--isc-glow),transparent 65%),var(--isc-bg); border-bottom: 1px solid var(--isc-border); }
.isc-gallery-head::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(to right,var(--isc-grid) 1px,transparent 1px),linear-gradient(to bottom,var(--isc-grid) 1px,transparent 1px); background-size: 100px 70px; mask-image: linear-gradient(to left,transparent,#000); }
.isc-eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--isc-blue-ink); font-size: 14px; font-weight: 500; }
.isc-gallery-head h2 { font-size: clamp(26px,3vw,38px); letter-spacing: -.035em; font-weight: 700; line-height: 1.4; margin: 8px 0; color: var(--isc-ink); }
.isc-gallery-head p { font-size: 16px; line-height: 1.8; margin: 0; color: var(--isc-muted); }
.isc-gallery-tools { padding: 20px 32px 0; flex-shrink: 0; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.isc-search { border: 1px solid var(--isc-border); border-radius: 12px; background: var(--isc-soft); display: flex; align-items: center; gap: 10px; padding: 0 14px; flex: 1 1 280px; min-height: 46px; color: var(--isc-muted); }
.isc-search:focus-within { border-color: var(--isc-blue); }
.isc-search input { width: 100%; min-width: 0; border: 0; border-radius: 0; background: transparent; color: var(--isc-ink); padding: 12px 0; font-size: 16px; outline: none; box-shadow: none; }
.isc-search svg { flex-shrink: 0; }
.isc-gallery-tools .isc-cats { margin: 0; max-width: 100%; }
.isc-gallery-result { padding: 18px 32px 12px; font-size: 14px; color: var(--isc-muted); flex-shrink: 0; }
.isc-gallery-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px; padding: 4px 32px 32px; overflow-y: auto; min-height: 0; }
.isc-gallery-grid .isc-card { width: 100%; }
.isc-gallery-grid .isc-media { aspect-ratio: 4/3; }
.isc-gallery-grid .isc-card-info { padding: 16px; }
.isc-gallery-grid .isc-card h3 { font-size: 18px; }
.isc-gallery-grid .isc-card-use { min-height: 40px; }
.isc-gallery-empty { grid-column: 1/-1; text-align: center; padding: 44px 20px; color: var(--isc-muted); }
.isc-gallery-empty > svg { width: 32px; height: 32px; color: var(--isc-blue); }
.isc-gallery-empty h3 { font-size: 20px; color: var(--isc-ink); }
.isc-gallery-empty p { font-size: 16px; line-height: 1.8; }
.isc-preview-dialog { display: grid; grid-template-columns: 1.08fr 1fr; width: min(1000px,100%); }
.isc-preview-image { position: relative; min-height: 540px; background: var(--isc-soft); display: grid; place-items: center; overflow: hidden; }
.isc-preview-media { width: 100%; height: 100%; display: grid; place-items: center; }
.isc-preview-media img { display: block; width: 100%; height: 100%; max-height: calc(100dvh - 60px); object-fit: contain; }
.isc-preview-count { position: absolute; top: 20px; inset-inline-start: 20px; border: 1px solid var(--isc-border); border-radius: 10px; background: var(--isc-bg); color: var(--isc-muted); font-size: 14px; padding: 7px 12px; box-shadow: var(--isc-shadow); }
.isc-preview-content { padding: 24px 28px 20px; min-width: 0; display: flex; flex-direction: column; }
.isc-preview-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 24px; }
.isc-back { border: 0; background: transparent; color: var(--isc-blue-ink); padding: 8px 0; display: flex; align-items: center; gap: 6px; }
.isc-back svg { transform: rotate(180deg); }
.isc-inline-tag { display: inline-flex; width: fit-content; padding: 5px 10px; font-size: 14px; border: 1px solid var(--isc-border); border-radius: 8px; background: var(--isc-blue-soft); color: var(--isc-blue-ink); margin-bottom: 12px; }
.isc-preview-content h2 { margin: 0 0 12px; color: var(--isc-ink); font-size: 30px; line-height: 1.5; font-weight: 700; letter-spacing: -.03em; overflow-wrap: anywhere; }
.isc-preview-lead { font-size: 16px; line-height: 1.8; margin: 0 0 24px; color: var(--isc-muted); }
.isc-prompt-label { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--isc-ink); margin-bottom: 10px; }
.isc-prompt-label label { display: inline-flex; align-items: center; gap: 8px; color: inherit; font-size: 14px; }
.isc-reset-draft { margin-inline-start: auto; background: transparent; border: 0; padding: 8px 0; color: var(--isc-blue-ink); }
#iscPromptEdit { width: 100%; min-height: 170px; max-height: 35dvh; resize: vertical; padding: 16px; border: 1px solid var(--isc-border); border-radius: 16px; background: var(--isc-soft); color: var(--isc-ink); font-size: 16px; line-height: 1.9; }
#iscPromptEdit:focus { border-color: var(--isc-blue); }
.isc-prompt-note { font-size: 14px; line-height: 1.8; color: var(--isc-muted); margin: 10px 0 20px; }
.isc-preview-actions { display: flex; align-items: center; gap: 10px; margin-top: auto; flex-wrap: wrap; }
.isc-btn { min-height: 46px; padding: 10px 16px; border: 1px solid transparent; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 600; white-space: nowrap; }
.isc-btn--primary { flex: 1; color: #fff; background: var(--isc-gradient); box-shadow: inset 0 1px 0 rgba(255,255,255,.2),0 6px 16px rgba(31,79,158,.2); }
.isc-btn--primary:hover { filter: brightness(1.06); }
.isc-btn--ghost { background: var(--isc-bg); color: var(--isc-ink); border-color: var(--isc-border); }
.isc-preview-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 44px; margin-top: 18px; }
.isc-preview-footer > div { display: flex; gap: 8px; }
[data-isc-step="-1"] svg { transform: rotate(180deg); }
.isc-copy-status { color: var(--isc-muted); font-size: 14px; line-height: 1.6; }
@keyframes isc-enter { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes isc-shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
@media (max-width: 1000px) { .isc-gallery-grid { grid-template-columns: repeat(3,minmax(0,1fr)); } }
@media (max-width: 760px) {
  .img-showcase { max-width: 100%; padding: 0 10px; }
  .isc-rail { gap: 8px; }
  .isc-card { flex-basis: 154px; width: 154px; }
  .isc-card-info { padding: 10px; }
  .isc-card-category { display: none; }
  .isc-card h3 { font-size: 16px; margin-bottom: 2px; }
  .isc-card-use { min-height: 40px; }
  .isc-cat { height: 40px; padding: 0 12px; }
  .isc-modal { padding: 16px; }
  .isc-preview-dialog { grid-template-columns: 1fr; width: min(560px,100%); }
  .isc-preview-image { min-height: 0; height: 32dvh; }
  .isc-preview-media img { max-height: 32dvh; }
  .isc-preview-content { padding: 20px; }
  .isc-preview-top { margin-bottom: 16px; }
  .isc-preview-content h2 { font-size: 26px; }
  .isc-preview-lead { margin-bottom: 16px; }
  .isc-gallery-head { padding: 24px; }
  .isc-gallery-tools { padding: 16px 24px 0; gap: 12px; }
  .isc-gallery-result { padding: 14px 24px; }
  .isc-gallery-grid { grid-template-columns: repeat(2,minmax(0,1fr)); padding: 4px 24px 24px; gap: 14px; }
  .isc-gallery-grid .isc-card-info { padding: 12px; }
  .isc-gallery-grid .isc-card h3 { font-size: 16px; }
  .isc-gallery-grid .isc-card-use { font-size: 14px; }
}
@media (max-width: 480px) {
  .isc-heading { flex-basis: 150px; }
  .isc-all > span { font-size: 14px; }
  .isc-brand-badge { display: none; }
  .isc-modal { align-items: flex-end; padding: 0; }
  .isc-dialog { border-radius: 24px 24px 0 0; max-height: calc(100dvh - 12px); padding-bottom: env(safe-area-inset-bottom,0px); }
  .isc-gallery-head { padding: 22px 20px; }
  .isc-gallery-head h2 { font-size: 28px; }
  .isc-gallery-head p { display: none; }
  .isc-gallery-tools { padding: 16px 16px 0; }
  .isc-gallery-result { padding: 12px 16px; }
  .isc-gallery-grid { padding: 4px 16px 20px; gap: 12px; }
  .isc-gallery-grid .isc-card-use { white-space: normal; text-align: start; gap: 4px; }
  .isc-gallery-grid .isc-card-info { padding: 10px; }
  .isc-preview-image { height: 28dvh; }
  .isc-preview-media img { max-height: 28dvh; }
  .isc-preview-count { top: 12px; inset-inline-start: 12px; padding: 5px 10px; }
  #iscPromptEdit { min-height: 140px; }
  .isc-preview-lead { font-size: 16px; }
  .isc-btn { padding-inline: 12px; }
  .isc-preview-actions .isc-btn--primary { flex-basis: 100%; }
  .isc-preview-actions .isc-btn--ghost { width: 100%; }
  .isc-state { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  .img-showcase, .img-showcase *, .isc-modal, .isc-modal * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media (max-height: 680px) {
  .main.is-empty.has-img-showcase .empty-hero { display: none; }
}