/* Optional chat presentation. Settings keep their original Studio DOM. */
.studio-layout-switch { display:flex; align-self:center; justify-content:flex-end; flex-wrap:wrap; gap:4px; width:100%; max-width:1040px; margin:0 auto 14px; }
.studio-chat-mode .studio-layout-switch { max-width:800px; }
.studio-layout-switch button { display:inline-flex; align-items:center; gap:7px; border:1px solid transparent; border-radius:999px; padding:9px 14px; background:transparent; color:var(--text-secondary); font:inherit; font-size:13px; cursor:pointer; }
.studio-layout-switch button[aria-pressed="true"] { color:var(--text-primary); border-color:var(--border-color); background:var(--bg-card); }
.studio-layout-switch svg,.studio-chat-workspace button svg,.studio-chat-settings button svg { width:18px; height:18px; flex-shrink:0; }
.studio-workspace.studio-chat-mode { overflow:hidden!important; padding-bottom:12px; min-height:0; }
.studio-chat-workspace { --studio-chat-grid-min:180px; --studio-chat-grid-gap:16px; --studio-chat-grid-columns:auto-fill; display:flex; flex-direction:column; flex:1; min-height:0; width:100%; max-width:800px; margin:0 auto; }
.studio-chat-tabs { display:flex; flex-shrink:0; justify-content:center; gap:24px; border-bottom:1px solid var(--border-color); background:var(--bg-main); }
.studio-chat-tabs[hidden],.studio-chat-intro[hidden],.studio-chat-context[hidden],.studio-chat-pill[hidden],.studio-chat-status[hidden],.studio-chat-intro [hidden] { display:none!important; }
.studio-chat-intro { flex:none; padding:28px 0 12px; gap:12px; }
.studio-chat-intro-icon { width:64px; height:64px; border-radius:50%; display:grid; place-items:center; margin:0 auto 4px; color:var(--primary); background:var(--primary-glow); }
.studio-chat-intro-icon>svg { width:32px; height:32px; }
.studio-chat-intro>p { max-width:none; padding:0; }
/* Reuse the legacy .ideas-gallery-grid.vertical-cards column layout. */
.studio-chat-examples { display:block!important; }
.studio-chat-example { padding:0; text-align:left; aspect-ratio:3/4; }
.studio-chat-example img { height:100%; object-fit:cover; opacity:0; transition:opacity .35s ease,transform .35s ease; }
.studio-chat-example.is-loaded img { opacity:1; }
.studio-chat-example.is-unavailable img { opacity:1; }
.studio-chat-example:focus-visible { outline:2px solid var(--primary); outline-offset:2px; }
.studio-chat-example:focus-visible .gallery-card-hover-overlay { opacity:1; }
.studio-reference-preview .style-modal-left img { object-fit:contain; }
.studio-reference-preview .prompt-box { max-height:none; overflow:visible; }
.studio-chat-tabs button { display:flex; align-items:center; gap:7px; border:0; border-bottom:2px solid transparent; background:transparent; color:var(--text-secondary); font:inherit; font-weight:500; padding:12px 8px; cursor:pointer; }
.studio-chat-tabs button[aria-selected="true"] { color:var(--text-primary); border-bottom-color:var(--text-primary); }
.studio-chat-tabs span { border-radius:999px; background:var(--bg-card); padding:1px 6px; font-size:12px; }
.studio-chat-scroll { flex:1; min-height:0; overflow:auto; overscroll-behavior:contain; padding:24px 0; scrollbar-gutter:stable; }
.studio-chat-empty,.studio-chat-welcome { text-align:center; padding:clamp(24px,7vh,80px) 20px; max-width:600px; margin:auto; }
.studio-chat-empty>svg { width:36px; height:36px; color:var(--text-muted); margin-bottom:16px; }
.studio-chat-empty h2,.studio-chat-welcome h2 { font-size:24px; font-weight:600; margin:0 0 10px; }
.studio-chat-empty p,.studio-chat-welcome p { color:var(--text-secondary); line-height:1.6; margin-bottom:22px; }
.studio-chat-empty>div { display:flex; justify-content:center; gap:10px; flex-wrap:wrap; }
.studio-chat-mode .studio-results-section>.studio-section-header,.studio-chat-mode .studio-empty-placeholder,.studio-chat-mode [data-studio-source="true"] { display:none!important; }
.studio-chat-mode .studio-results-grid { grid-template-columns:repeat(var(--studio-chat-grid-columns),minmax(var(--studio-chat-grid-min),1fr)); gap:var(--studio-chat-grid-gap); }
/* Gallery placeholders fill the whole card row, including the variant caption. */
.studio-chat-mode .studio-results-grid>.studio-skeleton-card { height:100%; aspect-ratio:auto!important; }
.studio-chat-new-card { display:flex; align-self:stretch; height:100%; flex-direction:column; align-items:center; justify-content:center; gap:12px; width:100%; min-width:0; aspect-ratio:3/4; padding:20px; border:1.5px dashed var(--border-color); border-radius:var(--radius-md); background:var(--bg-card); color:var(--text-primary); font:inherit; text-align:center; cursor:pointer; }
.studio-chat-new-card-plus { display:grid; place-items:center; width:44px; height:44px; border-radius:50%; background:var(--primary-glow); color:var(--primary); font-size:30px; font-weight:300; line-height:1; }
.studio-chat-new-card strong { font-size:14px; font-weight:500; }
.studio-chat-new-card small { font-size:12px; color:var(--text-secondary); }
.studio-chat-new-card:hover:not(:disabled) { border-color:var(--primary); background:var(--primary-glow); }
.studio-chat-new-card:focus-visible { outline:2px solid var(--primary); outline-offset:3px; }
.studio-chat-new-card:disabled { cursor:default; opacity:.5; }
.studio-chat-composer { flex-shrink:0; width:calc(100% - 48px); max-width:712px; margin:12px auto 0; padding:12px 16px 10px; border:1px solid var(--border-color); border-radius:20px; background:var(--bg-input); box-shadow:0 2px 8px rgba(0,0,0,.02); }
.studio-chat-composer[hidden] { display:none; }
.studio-chat-context { display:flex; gap:9px; align-items:center; min-width:0; }
.studio-chat-context img { width:36px; height:42px; border-radius:7px; object-fit:cover; background:var(--bg-card); }
.studio-chat-context span { min-width:0; }
.studio-chat-context strong { display:block; font-size:12px; font-weight:500; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.studio-chat-context small { display:block; color:var(--text-secondary); font-size:11px; margin-top:2px; }
#studio-chat-message { display:block; width:100%; min-height:60px; max-height:180px; resize:none; border:0; padding:12px 0 10px; background:transparent; color:var(--text-primary); font:inherit; outline:none; }
.studio-chat-composer:has(#studio-chat-message:focus-visible) { border-color:var(--border-focus); }
.studio-chat-composer-bottom { display:flex; flex-wrap:wrap; gap:8px; align-items:center; }
.studio-chat-options { display:contents; }
.studio-chat-pills { display:contents; }
.studio-chat-pill { flex:0 0 auto; max-width:100%; }
.studio-chat-pill span { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; max-width:180px; }
.studio-chat-pill[aria-expanded="true"] { border-color:var(--primary); color:var(--primary); background:var(--primary-glow); }
.studio-chat-pill-spinner { display:inline-block; flex-shrink:0; width:14px; height:14px; border:1.5px solid var(--border-color); border-top-color:var(--primary); border-radius:50%; animation:spin .8s linear infinite; }
.studio-chat-composer .image-opt-btn svg { width:14px; height:14px; }
.studio-chat-attach,.studio-chat-dictation { width:34px; padding:0; border-radius:50%; flex-shrink:0; }
.studio-chat-composer .studio-chat-attach svg,.studio-chat-composer .studio-chat-dictation svg,.studio-chat-composer .studio-chat-send svg { width:16px; height:16px; }
.studio-chat-send { margin-left:auto; padding:0; }
.studio-chat-composer button:focus-visible { outline:2px solid var(--primary); outline-offset:2px; }
.studio-chat-status { margin-top:8px; color:var(--text-secondary); font-size:11px; min-height:16px; text-align:right; }
.studio-chat-timeline { width:100%; max-width:800px; margin:auto; display:flex; flex-direction:column; gap:30px; }
.studio-chat-turn { display:flex; flex-direction:column; align-items:flex-start; gap:18px; }
.studio-chat-user { align-self:flex-end; max-width:85%; padding:12px 17px; border-radius:18px; background:var(--bg-card); color:var(--text-primary); white-space:pre-wrap; overflow-wrap:anywhere; line-height:1.5; }
.studio-chat-answer { max-width:100%; }
.studio-chat-answer>p { color:var(--text-secondary); font-size:12px; margin-bottom:10px; }
.studio-chat-result { display:block; width:var(--studio-chat-preview-width,200px); aspect-ratio:3/4; padding:0; border:0; background:var(--bg-card); border-radius:16px; max-width:100%; overflow:hidden; cursor:pointer; }
.studio-chat-result img { display:block; width:100%; height:100%; object-fit:cover; }
.studio-chat-result-actions { display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-top:10px; }
.studio-chat-result-actions button { font-size:12px; display:inline-flex; gap:6px; align-items:center; }
.studio-chat-text-button { border:0; padding:8px; background:transparent; color:var(--text-secondary); cursor:pointer; }
.studio-chat-timeline .studio-generation-skeleton { width:var(--studio-chat-preview-width,200px); flex-shrink:0; border-radius:16px; gap:6px; padding:8px; }
.studio-chat-timeline .studio-generation-sparkle { width:22px; height:22px; }
.studio-chat-timeline .studio-skeleton-label { font-size:11px; }
.studio-chat-settings { position:fixed; inset:auto; margin:0; width:min(760px,calc(100vw - 48px)); max-height:var(--studio-sheet-height,80dvh); border:1px solid var(--border-color); border-radius:22px; padding:0; background:var(--bg-panel); color:var(--text-primary); box-shadow:0 12px 60px rgba(0,0,0,.12); overflow:hidden; }
.studio-chat-settings[open] { display:flex; flex-direction:column; }
.studio-chat-settings::backdrop { background:rgba(0,0,0,.12); }
.studio-chat-settings>header { display:flex; align-items:center; justify-content:space-between; flex-shrink:0; gap:10px; padding:18px 22px 14px; border-bottom:1px solid var(--border-color); }
.studio-chat-settings h2 { font-size:18px; font-weight:600; margin:0; }
.studio-chat-settings>header button { border:0; background:transparent; padding:6px; color:var(--text-secondary); cursor:pointer; display:grid; place-items:center; }
.studio-chat-settings-body { overflow-y:auto; overscroll-behavior:contain; padding:20px 22px; min-height:0; }
.studio-chat-settings>footer { border-top:1px solid var(--border-color); padding:12px 22px; flex-shrink:0; }
.studio-chat-settings>footer button { width:100%; }
.studio-chat-sheet-handle { display:none; }
.studio-chat-settings #studio-generation-panel { background:transparent; box-shadow:none; border:0; padding:0; margin:0; }
.studio-chat-settings #studio-generation-panel .studio-settings-grid>* { display:none!important; }
.studio-chat-settings #studio-generation-panel #studio-card-v2 { display:flex!important; gap:0; }
.studio-chat-settings #studio-card-v2>* { display:none!important; }
.studio-chat-settings[data-setting="scene"] #studio-card-v2>section:nth-of-type(1),
.studio-chat-settings[data-setting="design"] #studio-card-v2>section:nth-of-type(2),
.studio-chat-settings[data-setting="text"] #studio-card-v2>section:nth-of-type(3),
.studio-chat-settings[data-setting="wishes"] #studio-card-v2>[data-v2-settings-host],
.studio-chat-settings[data-setting="format"] #studio-card-v2>[data-v2-settings-host] { display:flex!important; }
.studio-chat-settings .studio-v2-step-heading { display:none; }
.studio-chat-settings[data-setting="text"] #studio-card-v2>[data-v2-copy-error]:not(.hidden) { display:block!important; }
.studio-chat-settings[data-setting="text"] #studio-card-v2>[data-v2-copy-retry]:not(.hidden) { display:inline-flex!important; align-self:flex-start; }
.studio-chat-settings [data-v2-settings-host]>* { display:none!important; }
.studio-chat-settings[data-setting="wishes"] #studio-prompt-field,
.studio-chat-settings[data-setting="format"] #studio-format-scroll { display:flex!important; }
.studio-chat-settings .studio-source-section { padding:0; border:0; background:transparent; }
.studio-chat-settings[data-setting="product"] .studio-category-select-wrapper { display:none; }
.studio-chat-category { display:flex; flex-direction:column; gap:8px; margin-bottom:16px; }
.studio-chat-category>label { color:var(--text-secondary); font-size:12px; }
.studio-chat-settings .studio-v2-presentation-grid { grid-auto-flow:row; grid-auto-columns:auto; grid-template-columns:repeat(3,minmax(0,1fr)); overflow:visible; }
.studio-chat-settings .studio-v2-reference-grid { display:flex; flex-wrap:nowrap; overflow-x:auto; }
.studio-chat-settings .studio-v2-reference-option { flex:0 0 112px; }
.studio-chat-settings #studio-format-selector { display:flex; flex-wrap:wrap; gap:8px; overflow:visible; width:100%; }
.studio-chat-settings #studio-format-next { display:none!important; }
.studio-chat-settings .studio-v2-setting { min-width:0; }
.studio-chat-target-choice { display:flex; align-items:center; gap:12px; width:100%; padding:13px 12px; border:0; border-radius:12px; color:var(--text-primary); background:transparent; text-align:left; font:inherit; cursor:pointer; }
.studio-chat-target-choice[aria-pressed="true"] { color:var(--primary); background:var(--primary-glow); }
.studio-chat-target-choice>svg { width:24px; height:24px; margin:0 10px; }
.studio-chat-target-choice img { width:44px; height:56px; object-fit:cover; border-radius:7px; background:var(--bg-card); }
.studio-chat-target-choice strong { display:block; font-size:14px; font-weight:500; }
.studio-chat-target-choice small { display:block; color:var(--text-secondary); font-size:12px; margin-top:3px; }
.studio-chat-radio { flex-shrink:0; width:18px; height:18px; border:2px solid var(--border-color); border-radius:50%; margin-left:auto; }
.studio-chat-target-choice[aria-pressed="true"] .studio-chat-radio { border:6px solid var(--primary); }
@media(min-width:641px) {
  .studio-chat-settings { border-radius:18px; }
  .studio-chat-settings>header { padding:12px 16px; }
  .studio-chat-settings h2 { font-size:16px; }
  .studio-chat-settings-body { padding:14px 16px; }
  .studio-chat-settings>footer { padding:9px 16px; }
  .studio-chat-settings>footer button { width:auto; min-width:104px; min-height:36px; margin-left:auto; padding:8px 18px; }
  .studio-chat-settings .studio-v2-presentation-grid { grid-template-columns:repeat(4,minmax(0,1fr)); gap:9px; }
  .studio-chat-settings .studio-v2-reference-grid { gap:8px; }
  .studio-chat-settings .studio-v2-preset>span { padding:8px; font-size:12px; }
  .studio-chat-settings .studio-editor-design-choices { gap:8px; }
  .studio-chat-settings .studio-editor-design-choices button { flex-direction:row; min-height:48px; padding:9px; gap:7px; border-radius:10px; font-size:13px; }
  .studio-chat-settings .studio-v2-reference-selected { grid-template-columns:44px minmax(0,1fr) 34px; gap:8px; padding:8px; }
  .studio-chat-settings .studio-v2-reference-selected>img { width:44px; max-height:60px; }
  .studio-chat-settings .studio-source-card,.studio-chat-settings .studio-source-pending,.studio-chat-settings .studio-add-source-btn { width:108px; height:108px; min-width:108px; border-radius:10px; }
  .studio-chat-settings .studio-add-source-btn { font-size:12px; gap:7px; }
  .studio-chat-settings .studio-source-section .studio-section-header { gap:2px; }
  .studio-chat-settings .studio-source-section .studio-section-title { font-size:14px; }
  .studio-chat-settings .studio-product-meta-fields>.studio-product-title-input-wrapper { flex:1 1 200px; }
  .studio-chat-settings .studio-product-meta-fields>.studio-category-select-wrapper { flex:1 1 150px; }
  .studio-chat-settings .studio-v2-switch { min-height:48px; }
}
@media(max-width:640px) {
  .studio-chat-intro { padding-top:16px; }
  .studio-chat-intro .welcome-title { font-size:1.7rem; padding:0 12px; }
  .studio-chat-intro>p { font-size:.9rem; }
  .studio-chat-intro-icon { width:56px; height:56px; }
  .studio-reference-preview .style-modal-left { height:auto; }
  .studio-reference-preview .style-modal-left img { width:100%; height:auto; max-height:44dvh; }
  .studio-workspace.studio-chat-mode { padding:8px 10px max(8px,env(safe-area-inset-bottom)); }
  .studio-layout-switch { margin-bottom:6px; }
  .studio-layout-switch button { font-size:12px; padding:7px 11px; }
  .studio-chat-scroll { padding:18px 2px; }
  .studio-chat-composer { width:calc(100% - 12px); padding:10px; border-radius:20px; }
  .studio-chat-pill span { max-width:190px; }
  /* One row that scrolls sideways, like the card generator composer; the send button stays put. */
  .studio-chat-composer-bottom { flex-wrap:nowrap; }
  .studio-chat-options { display:flex; flex:1; min-width:0; gap:8px; align-items:center; overflow-x:auto; scrollbar-width:none; padding-bottom:2px; }
  .studio-chat-options::-webkit-scrollbar { display:none; }
  .studio-chat-options .image-opt-btn { flex:0 0 auto; }
  /* Settings changed most often come first; the request target and product photos go last. */
  .studio-chat-pill[data-studio-setting="target"],.studio-chat-pill[data-studio-setting="product"] { order:1; }
  .studio-chat-workspace { --studio-chat-grid-min:0px; --studio-chat-grid-gap:10px; --studio-chat-grid-columns:2; }
  .studio-chat-empty h2,.studio-chat-welcome h2 { font-size:21px; }
  .studio-chat-empty { padding:22px 10px; }
  #studio-chat-message { font-size:16px; min-height:54px; }
  .studio-chat-settings { inset:auto 0 var(--studio-keyboard-offset,0px)!important; width:100%!important; max-width:none; max-height:var(--studio-sheet-height,88dvh); border-radius:24px 24px 0 0; padding-bottom:env(safe-area-inset-bottom); }
  .studio-chat-settings::backdrop { background:rgba(0,0,0,.22); }
  .studio-chat-sheet-handle { display:block; width:36px; height:4px; background:var(--border-color); border-radius:4px; margin:9px auto 0; flex-shrink:0; }
  .studio-chat-settings>header { padding:13px 18px; }
  .studio-chat-settings-body { padding:16px 18px; }
  .studio-chat-settings>footer { padding:10px 18px; }
  .studio-chat-settings[data-setting="product"] { --studio-source-size:min(108px,calc((100vw - 60px)/3)); }
  .studio-chat-settings .studio-source-card,.studio-chat-settings .studio-source-pending,.studio-chat-settings .studio-add-source-btn { width:var(--studio-source-size); height:var(--studio-source-size); min-width:var(--studio-source-size); border-radius:10px; }
  .studio-chat-settings .studio-add-source-btn { font-size:11px; gap:4px; padding:6px; }
  .studio-chat-settings .studio-v2-presentation-grid { grid-auto-flow:column; grid-auto-columns:clamp(136px,36vw,164px); grid-template-columns:none; overflow-x:auto; }
  .studio-chat-settings .studio-v2-reference-option { flex-basis:min(40%,132px); }
  .studio-chat-settings input,.studio-chat-settings textarea,.studio-chat-settings select { font-size:16px; }
}
@media(prefers-reduced-motion:reduce) {
  .studio-chat-pill-spinner { animation:none; }
  .studio-chat-example,.studio-chat-example img { transition:none; }
}
@media(pointer:coarse) {
  .studio-layout-switch button,.studio-chat-settings>header button { min-height:44px; }
}