html,body{height:100%;overflow:hidden}.app-shell{height:100dvh;display:flex;flex-direction:column;padding-bottom:0}.topbar{position:sticky;top:0;z-index:30;flex:0 0 72px;background:rgba(251,251,250,.92);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px)}.page{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding-bottom:72px}.page.active{animation:page-enter .14s ease-out}@keyframes page-enter{from{opacity:.65;transform:translateY(2px)}to{opacity:1;transform:none}}.tabs{min-width:0;overflow-x:auto;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}.library-section{border-top:1px solid var(--line);padding:24px 0}.library-section+.library-section{margin-top:34px}.library-count{color:var(--muted);font-size:12px;white-space:nowrap}.library-two-column{display:grid;grid-template-columns:minmax(260px,320px) 1fr;gap:44px}.library-form{display:grid;gap:13px;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.library-form h3{margin:0;font-size:14px}.library-form label,.library-search,.prompt-toolbar label,.prompt-form label{font-size:12px;color:var(--muted)}.library-form input,.library-form select,.library-form textarea,.library-search input,.prompt-toolbar input,.prompt-form input,.prompt-form textarea{display:block;margin-top:5px}.library-search{display:block;margin-bottom:14px}.source-list{border-top:1px solid var(--line);padding:0}.source-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;padding:16px 2px;border-bottom:1px solid var(--line)}.source-main{min-width:0}.source-title{display:flex;align-items:center;gap:8px}.source-title strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.source-platform{display:inline-flex;padding:2px 7px;border-radius:999px;background:var(--soft);color:#666;font-size:11px}.source-profile{display:block;margin-top:3px;color:#555;text-decoration:none;overflow-wrap:anywhere}.source-profile:hover{text-decoration:underline}.source-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px;color:var(--muted);font-size:12px}.source-note{margin:7px 0 0;color:#555;font-size:13px;white-space:pre-wrap}.source-actions{display:flex;align-items:start;gap:5px}.prompt-toolbar{display:flex;align-items:end;justify-content:space-between;gap:18px;border-top:1px solid var(--line);padding:20px 0}.prompt-toolbar label{width:min(360px,100%)}.prompt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;padding:0}.prompt-card{min-height:154px;display:flex;flex-direction:column;padding:17px;border:1px solid var(--line);border-radius:12px;background:var(--surface);cursor:pointer;transition:border-color .15s,box-shadow .15s}.prompt-card:hover{border-color:#d4d4d0;box-shadow:0 7px 22px rgba(0,0,0,.045)}.prompt-card h2{margin:0;font-size:15px;line-height:1.4}.prompt-purpose{margin:8px 0 18px;color:var(--muted);font-size:13px;line-height:1.5}.prompt-card-actions{display:flex;align-items:center;gap:6px;margin-top:auto}.prompt-card-actions .small-button:first-child{margin-left:auto}.prompt-copy{border-color:#dadad6}.prompt-dialog{width:min(680px,calc(100vw - 32px));max-height:calc(100vh - 42px);padding:0;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:0 24px 70px rgba(0,0,0,.18)}.prompt-dialog::backdrop{background:rgba(20,20,20,.28);backdrop-filter:blur(2px)}.prompt-form{display:grid;gap:15px;padding:24px}.dialog-heading{display:flex;align-items:start;justify-content:space-between;gap:20px}.dialog-heading h2{font-size:20px;margin:0}.dialog-close{border:0;background:transparent;color:var(--muted);font-size:27px;line-height:1;cursor:pointer}.prompt-form textarea{min-height:260px}.dialog-actions{display:grid;grid-template-columns:auto 1fr auto auto;gap:8px;align-items:center}.warmup-empty .button{margin-left:10px}.media-library.library-section{margin-top:34px}
@media(max-width:780px){.topbar{gap:14px;flex-basis:62px}.tabs{flex:1}.tab{white-space:nowrap}.page{padding-bottom:48px}.library-two-column{grid-template-columns:1fr;gap:28px}.source-card{grid-template-columns:1fr}.source-actions{justify-content:flex-start}.prompt-toolbar{align-items:flex-start;flex-direction:column}.prompt-toolbar label{width:100%}.dialog-actions{grid-template-columns:1fr 1fr}.dialog-actions span{display:none}.prompt-form{padding:20px}.media-library.library-section{margin-top:28px}}
@media(max-width:480px){.app-shell{padding-left:14px;padding-right:14px}.brand{display:none}.topbar{gap:4px}.prompt-grid{grid-template-columns:1fr}.dialog-actions{grid-template-columns:1fr}.prompt-dialog{width:calc(100vw - 18px)}}

/* Compact source-account workspace: the form keeps its natural height while
   large collections scroll independently beside it. */
@media(min-width:781px){
  .library-two-column{grid-template-columns:minmax(270px,310px) minmax(0,1fr);gap:32px;align-items:start}
  .library-form{align-self:start;gap:10px;padding:16px}
  .library-form textarea{min-height:74px}
  .library-results{min-width:0;align-self:start}
  .library-search{margin-bottom:10px}
  .source-list{max-height:clamp(360px,56vh,620px);overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding-right:8px}
  .source-card{padding:13px 2px}
  .source-list::-webkit-scrollbar{width:8px}
  .source-list::-webkit-scrollbar-track{background:transparent}
  .source-list::-webkit-scrollbar-thumb{background:#d7d7d3;border:2px solid var(--bg);border-radius:999px}
}

@media(max-width:780px){
  .library-form{align-self:start}
  .source-list{max-height:none;overflow:visible;padding-right:0}
}