/* The editor occupies the screen; conversation and preview scroll independently. */
body[data-view='studio'] { --header-height:64px; overflow:hidden; }
body[data-view='studio'] .header .header-inner { max-width:none; padding:0 20px; }
body[data-view='studio'] .main-content { max-width:none; height:100dvh; min-height:0; padding:calc(var(--header-height) + 6px) 12px 12px; }
body[data-view='studio'] .product-footer { display:none; }
#view-studio.active { display:grid; grid-template-rows:auto minmax(0,1fr); height:100%; min-height:0; }
#view-studio .hub-studio-toolbar { min-height:48px; margin:0 0 8px; padding:0 8px; align-items:center; gap:16px; }
#view-studio .studio-document { flex:1; min-width:0; flex-wrap:nowrap; gap:12px; }
.studio-workspace-title { margin:0; flex:none; color:var(--color-text-secondary); font-size:13px; line-height:1.4; font-weight:400; }
.studio-document-divider { height:18px; border-left:1px solid var(--color-border); }
#view-studio #studioDocumentName { font-size:15px; font-weight:600; max-width:30ch; }
#view-studio #studioSaveStatus { flex-shrink:0; margin:0; font-size:11px; }
#view-studio .studio-toolbar-actions { gap:6px; }
#view-studio .studio-toolbar-actions .btn { min-height:34px; font-size:12px; padding:6px 11px; }
#view-studio #studioActions { gap:6px; }
#view-studio .studio-layout { --studio-chat-width:360px; grid-template-columns:var(--studio-chat-width) 10px minmax(0,1fr); grid-template-rows:minmax(0,1fr); height:100%; min-height:0; gap:0; }
#view-studio .studio-ai-panel,#view-studio .studio-preview { min-height:0; min-width:0; border-radius:12px; overflow:hidden; }
#view-studio .studio-ai-header,#view-studio .studio-preview-header { min-height:51px; padding:8px 13px; gap:10px; }
#view-studio .studio-conversation-heading { display:flex; align-items:center; min-width:0; gap:12px; }
#view-studio .studio-ai-header strong { font-size:13px; }
#view-studio #studioSessionLabel { color:var(--color-text-secondary); font-size:11px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
#view-studio .studio-session-actions { display:flex; align-items:center; gap:6px; }
#view-studio .studio-session-actions>.btn { background:none; border:0; min-height:32px; padding:5px 7px; font-size:11px; }
.studio-chat-menu { position:relative; }
.studio-chat-menu>summary { display:grid; place-items:center; width:30px; height:32px; list-style:none; cursor:pointer; color:var(--color-text-secondary); border-radius:6px; }
.studio-chat-menu>summary::-webkit-details-marker { display:none; }
.studio-chat-menu>summary:hover { background:var(--color-surface-alt); }
.studio-chat-menu>div { position:absolute; z-index:8; right:0; top:calc(100% + 8px); width:168px; padding:7px; background:var(--color-surface); border-radius:10px; box-shadow:0 8px 28px rgb(21 23 27 / .16); }
.studio-chat-menu>div button { display:flex; align-items:center; gap:10px; width:100%; min-height:39px; padding:8px 10px; border:0; background:none; border-radius:6px; color:var(--color-text); font:inherit; font-size:12px; text-align:left; cursor:pointer; }
.studio-chat-menu>div button:hover { background:var(--color-surface-alt); }
#view-studio .studio-ai-messages { min-height:0; padding:22px 21px; scroll-behavior:smooth; }
#view-studio .studio-ai-messages:has(.studio-start) { display:flex; align-items:center; }
#view-studio .studio-start { width:100%; margin:auto 0; padding:20px 0; }
#view-studio .studio-start>img { width:53px; height:67px; margin-bottom:18px; }
#view-studio .studio-start h2 { font-size:25px; letter-spacing:-.025em; }
#view-studio .studio-start p { font-size:12px; line-height:1.8; max-width:25em; }
#view-studio .studio-examples { gap:7px; }
#view-studio .studio-examples button { font-size:11px; min-height:35px; padding:7px 10px; background:var(--color-surface-alt); border-color:transparent; }
#view-studio .studio-ai-input-area { display:flex; flex-direction:column; flex-shrink:0; align-items:stretch; margin:0 14px 14px; padding:10px 11px; gap:7px; border-radius:13px; }
#view-studio .studio-ai-input-area textarea { flex:none; min-height:60px; padding:5px 3px; font-size:13px; }
.studio-composer-tools { display:flex; align-items:center; justify-content:space-between; gap:10px; }
#view-studio .studio-ai-input-area .btn-send { width:32px; height:32px; border-radius:8px; }
#view-studio .studio-availability { flex-shrink:0; font-size:11px; padding:0 18px 9px; }
#view-studio .studio-settings { position:relative; margin:0; }
#view-studio .studio-settings>summary { display:flex; align-items:center; gap:7px; min-height:30px; padding:3px 5px; border:0; background:none; font-size:11px; color:var(--color-text-secondary); }
#view-studio .studio-settings>div { top:auto; right:auto; bottom:calc(100% + 12px); left:0; width:270px; max-width:calc(100vw - 65px); border:0; box-shadow:0 8px 28px rgb(21 23 27 / .16); }
.studio-splitter { position:relative; cursor:col-resize; touch-action:none; outline-offset:-2px; }
.studio-splitter::after { content:''; position:absolute; top:calc(50% - 22px); left:3px; width:3px; height:44px; border-radius:4px; background:var(--color-border); transition:background-color 150ms; }
.studio-splitter:hover::after,.studio-splitter:focus-visible::after,.is-resizing .studio-splitter::after { background:var(--color-accent); }
.is-resizing { cursor:col-resize; user-select:none; }
.is-resizing iframe { pointer-events:none; }
#view-studio[data-preview-focus='true'] .studio-layout { grid-template-columns:minmax(0,1fr); }
#view-studio[data-preview-focus='true'] :is(.studio-ai-panel,.studio-splitter) { display:none; }
#view-studio .studio-preview-header { flex-wrap:nowrap; }
#view-studio .studio-view-tabs { display:flex; align-items:center; gap:2px; padding:0; border-radius:0; background:none; }
#view-studio .studio-view-tab { display:flex; align-items:center; gap:7px; min-height:34px; padding:6px 11px; border-radius:7px; font-size:12px; }
#view-studio .studio-view-tab .hub-icon { width:15px; height:15px; }
#view-studio .studio-view-tab.active { background:var(--color-surface-alt); }
#view-studio .studio-preview-header-right { flex-wrap:nowrap; gap:5px; }
.studio-device-options { display:flex; align-items:center; padding:2px; gap:1px; border-radius:7px; background:var(--color-surface-alt); }
.studio-device-options button { display:grid; place-items:center; width:29px; height:28px; padding:5px; border:0; border-radius:5px; color:var(--color-text-secondary); background:none; cursor:pointer; }
.studio-device-options button[aria-pressed='true'] { color:var(--color-text); background:var(--color-surface); }
.studio-device-options .hub-icon { width:16px; height:16px; }
#view-studio .studio-preview-tool { display:grid; place-items:center; min-width:29px; min-height:31px; padding:5px; }
#view-studio .studio-preview-canvas { padding:14px; transition:background-color 180ms; }
#view-studio .studio-preview-canvas .tool-iframe { max-width:100%; margin:0 auto; transition:width 240ms cubic-bezier(.16,1,.3,1),border-radius 240ms; }
#view-studio .studio-preview[data-device='mobile'] .tool-iframe { width:390px; border-radius:16px; box-shadow:0 6px 24px rgb(21 23 27 / .12); }
#view-studio .studio-code-content { padding:24px 28px; }
@media(max-width:1100px) { #view-studio #studioSaveStatus { max-width:12ch; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; } }
@media(max-width:900px) {
  #view-studio.active { grid-template-rows:auto auto minmax(0,1fr); }
  #view-studio .studio-layout { grid-template-columns:minmax(0,1fr); }
  #view-studio .studio-splitter,#studioFocusPreview { display:none; }
  #view-studio .hub-studio-mobile-tabs { margin:0 0 8px; padding:3px; }
  #view-studio .hub-studio-mobile-tabs button { min-height:32px; }
  #view-studio .hub-studio-toolbar { flex-wrap:wrap; min-height:43px; gap:7px; }
  #view-studio .studio-document { min-width:200px; }
  #view-studio #studioSaveStatus { display:none; }
}
@media(max-width:760px) {
  body[data-view='studio'] .main-content { padding:calc(var(--header-height) + 3px) 9px calc(var(--hub-bottom-nav-height) + env(safe-area-inset-bottom) + 7px); }
  #view-studio .hub-studio-toolbar { padding:0 3px 4px; gap:7px; }
  #view-studio .studio-document { min-width:0; gap:9px; flex:1 1 100%; }
  #view-studio .studio-workspace-title { font-size:12px; }
  #view-studio #studioDocumentName { font-size:13px; max-width:22ch; }
  #view-studio .studio-toolbar-actions { width:100%; justify-content:flex-end; gap:5px; }
  #view-studio #studioDraftsLink { margin-right:auto; }
  #view-studio .studio-toolbar-actions .btn { min-height:33px; padding:5px 8px; font-size:11px; }
  #view-studio .studio-ai-messages { padding:18px; }
  #view-studio .studio-start { padding:12px 0; }
  #view-studio .studio-start>img { width:41px; height:52px; margin-bottom:14px; }
  #view-studio .studio-start h2 { font-size:23px; }
  #view-studio .studio-ai-input-area { margin:0 10px 10px; padding:9px; }
  #view-studio .studio-ai-input-area textarea { min-height:48px; font-size:16px; }
  #view-studio .studio-ai-header,#view-studio .studio-preview-header { min-height:46px; padding:6px 9px; gap:3px; }
  #view-studio .studio-view-tab { font-size:11px; padding:5px 7px; gap:5px; }
  #view-studio .studio-view-tab .hub-icon { display:none; }
  #view-studio .studio-preview-canvas { padding:9px; }
}
@media(prefers-reduced-motion:reduce) { #view-studio .studio-preview-canvas .tool-iframe { transition:none; } #view-studio .studio-ai-messages { scroll-behavior:auto; } }