:root{font-family:Helvetica Neue,Segoe UI,Arial,ui-sans-serif,system-ui,sans-serif;color:#171717;background:#f7f7f8;font-synthesis:none;text-rendering:optimizeLegibility;--bg: #f7f7f8;--surface: #ffffff;--surface-subtle: #f7f7f8;--text: #171717;--muted: #6b7280;--line: #e5e7eb;--line-strong: #d1d5db;--blue: #002fa7;--blue-hover: #00237d;--blue-soft: #eef3ff;--danger: #b42318}*{box-sizing:border-box}html,body,#app{min-height:100%}body{margin:0;min-width:320px;overflow:hidden;background:var(--bg)}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:2px}.studio-shell{min-height:100dvh;color:var(--text);background:var(--bg)}.topbar{height:64px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 clamp(18px,3vw,36px);background:var(--surface)}.brand{min-width:0;display:flex;align-items:center;gap:11px}.brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:4px;display:grid;place-items:center;background:var(--blue);color:#fff;font-size:17px;font-weight:800}.brand strong{display:block;font-size:16px;font-weight:700}.brand small{display:block;margin-top:1px;color:var(--muted);font-size:11px}.topbar-actions{min-width:0;display:flex;align-items:center;gap:14px}.status-indicator{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:12px;white-space:nowrap}.status-indicator i{width:7px;height:7px;border-radius:50%;background:var(--line-strong)}.status-indicator.configured i{background:var(--blue)}.history-trigger{height:36px;border:1px solid var(--line-strong);border-radius:6px;display:inline-flex;align-items:center;gap:8px;padding:0 11px;background:var(--surface);color:var(--text);font-size:12px;font-weight:600;cursor:pointer}.history-trigger:hover{border-color:var(--blue);color:var(--blue)}.history-trigger strong{min-width:20px;height:20px;border-radius:4px;display:grid;place-items:center;padding:0 5px;background:var(--blue-soft);color:var(--blue);font-size:10px;font-variant-numeric:tabular-nums}.studio-grid{display:grid;grid-template-columns:var(--sidebar-width, 320px) 6px minmax(0,1fr);width:100%;height:calc(100dvh - 64px);overflow:hidden}.control-panel{min-width:0;height:100%;overflow-y:auto;padding:24px 22px 32px;background:var(--surface);scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}.panel-title{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding-bottom:19px}.panel-title span,.result-heading span,.note-label,.history-drawer-header span{color:var(--muted);font-size:11px;font-weight:600;letter-spacing:0}.panel-title h1,.result-heading h2{margin:4px 0 0;letter-spacing:0}.panel-title h1{font-size:21px;line-height:1.2}.panel-title>strong{border-radius:4px;padding:5px 8px;background:var(--blue-soft);color:var(--blue);font-size:11px;font-weight:700;white-space:nowrap}label{min-width:0;display:grid;gap:7px;margin-top:15px;color:#374151;font-size:12px;font-weight:600}input,select,textarea{min-width:0;width:100%;border:1px solid var(--line-strong);border-radius:6px;background:var(--surface);color:var(--text);padding:10px 11px;outline:0;transition:border-color .14s ease,box-shadow .14s ease}input:hover,select:hover,textarea:hover{border-color:#9ca3af}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #002fa71a}select{cursor:pointer}.connection-section{border:1px solid var(--line);border-radius:8px;background:var(--surface-subtle)}.connection-section summary{min-height:46px;display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:9px;padding:0 12px;color:var(--text);font-size:12px;font-weight:700;cursor:pointer;list-style:none}.connection-section summary::-webkit-details-marker{display:none}.connection-section summary small{color:var(--blue);font-size:10px;font-weight:700}.connection-section summary svg{color:var(--muted);transition:transform .16s ease}.connection-section[open] summary svg{transform:rotate(180deg)}.connection-body{border-top:1px solid var(--line);padding:0 12px 13px}.api-key-link{min-height:38px;border:1px solid var(--line-strong);border-radius:6px;display:flex;align-items:center;justify-content:center;gap:7px;margin-top:10px;background:var(--surface);color:var(--blue);font-size:12px;font-weight:700;text-decoration:none}.api-key-link:hover{border-color:var(--blue);background:var(--blue-soft)}.image-parameter-section{margin-top:19px}.parameter-grid{display:grid;grid-template-columns:minmax(0,1fr) 96px;gap:10px}.primary-action,.secondary-action{min-height:42px;border:1px solid transparent;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 14px;font-size:12px;font-weight:700;cursor:pointer;transition:background .14s ease,border-color .14s ease,color .14s ease}.primary-action:hover{background:var(--blue-hover)}.primary-action{background:var(--blue);color:#fff}.secondary-action{border-color:var(--line-strong);background:var(--surface);color:var(--text)}.secondary-action:hover{border-color:var(--blue);color:var(--blue)}.cancel-action,.cancel-action:hover{background:var(--danger);color:#fff}.primary-action:disabled,.secondary-action:disabled{opacity:.45;cursor:not-allowed}.panel-resizer{position:relative;height:100%;background:var(--bg);cursor:col-resize;touch-action:none}.panel-resizer:after{content:"";position:absolute;top:0;right:2px;bottom:0;left:2px;background:transparent;transition:background .12s ease}.panel-resizer:hover:after,.panel-resizer:focus-visible:after,.studio-grid.resizing .panel-resizer:after{background:var(--blue)}.studio-grid.resizing,.studio-grid.resizing *{cursor:col-resize!important;-webkit-user-select:none;user-select:none}.workspace-panel{min-width:0;min-height:0;display:grid;grid-template-rows:minmax(0,1fr) auto;background:var(--bg)}.result-panel{min-height:0;overflow-y:auto;padding:28px clamp(22px,3vw,42px) 36px;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}.result-panel:has(.image-grid){display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden}.result-heading{min-height:42px;display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.result-heading h2{font-size:20px;line-height:1.25}.working{border-radius:4px;padding:6px 8px;background:var(--blue-soft);color:var(--blue)!important;font-variant-numeric:tabular-nums;white-space:nowrap}.analysis-note{border-left:3px solid var(--blue);margin-top:18px;padding:13px 15px;background:var(--surface)}.analysis-note p{margin:6px 0 0;color:#374151;font-size:13px;line-height:1.65;white-space:pre-wrap}.image-grid{min-height:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(380px,1fr));grid-auto-rows:minmax(0,1fr);gap:18px;margin-top:20px}.image-card{min-width:0;min-height:0;border:1px solid var(--line);border-radius:8px;display:grid;grid-template-rows:minmax(0,1fr) auto;overflow:hidden;background:var(--surface)}.image-frame{position:relative;min-height:0;width:100%;height:auto;overflow:hidden;background:#f1f3f6}.image-frame img{width:100%;height:100%;display:block;object-fit:contain}.image-preview-trigger{width:100%;height:100%;border:0;display:block;padding:0;background:transparent;cursor:zoom-in}.image-preview-trigger:focus-visible{outline:2px solid var(--blue);outline-offset:-2px}.missing-image{height:100%;display:grid;place-items:center;color:var(--muted);font-size:12px}.download{width:32px;height:32px;flex:0 0 auto;border:1px solid var(--line-strong);border-radius:6px;display:grid;place-items:center;background:var(--surface);color:var(--text);text-decoration:none}.download:hover{border-color:var(--blue);color:var(--blue)}.image-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;color:var(--muted);font-size:11px}.image-meta-actions{display:flex;align-items:center;gap:10px}.image-meta strong{color:var(--text);font-variant-numeric:tabular-nums}.empty-wall{min-height:calc(100% - 42px);display:grid;place-content:center;justify-items:center;padding:40px 20px;text-align:center}.empty-shape{width:52px;height:52px;border:1px solid var(--line);border-radius:8px;display:grid;place-items:center;background:var(--surface);color:var(--blue)}.empty-wall h3{margin:16px 0 0;font-size:16px}.empty-wall p{margin:7px 0 0;color:var(--muted);font-size:12px}.composer-dock{min-width:0;border-top:1px solid var(--line);padding:15px clamp(18px,3vw,34px) 17px;background:var(--surface);box-shadow:0 -8px 24px #1118270a}.reference-row{display:grid;grid-template-columns:minmax(180px,1fr) auto auto;align-items:center;gap:10px}.upload-zone{position:relative;min-width:0}.upload-zone input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.upload-zone label{min-height:42px;border:1px dashed var(--line-strong);border-radius:6px;display:flex;align-items:center;gap:9px;margin:0;padding:7px 11px;background:var(--surface-subtle);color:var(--text);cursor:pointer}.upload-zone label:hover{border-color:var(--blue);color:var(--blue)}.upload-zone label span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-zone label small{margin-left:auto;color:var(--muted);font-size:9px;white-space:nowrap}.file-chip{min-width:0;height:42px;border:1px solid var(--line);border-radius:6px;display:flex;align-items:center;gap:8px;padding:4px 5px;background:var(--surface)}.file-chip img{width:32px;height:32px;border-radius:4px;object-fit:cover}.file-chip span{max-width:150px;overflow:hidden;color:#374151;font-size:11px;text-overflow:ellipsis;white-space:nowrap}.file-chip button,.history-drawer-close,.lightbox-close{border:0;display:grid;place-items:center;padding:0;cursor:pointer}.file-chip button{width:30px;height:30px;border-radius:5px;background:transparent;color:var(--muted)}.file-chip button:hover{background:var(--surface-subtle)}.prompt-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px;margin-top:11px}.prompt-row label{margin:0}.prompt-row textarea{min-height:144px;max-height:300px;resize:vertical;line-height:1.5}.prompt-row .primary-action{min-width:126px;min-height:44px}.error-message{margin:10px 0 0;color:var(--danger);font-size:12px}.drawer-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;background:#1118272e}.history-drawer{width:min(400px,100vw);height:100dvh;margin-left:auto;border-left:1px solid var(--line);display:flex;flex-direction:column;padding:20px;background:var(--surface);box-shadow:-16px 0 40px #1118271f}.history-drawer-header{min-height:44px;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding-bottom:15px}.history-drawer-header strong{display:block;margin-top:4px;font-size:18px}.history-drawer-close,.lightbox-close{width:38px;height:38px;border:1px solid var(--line-strong);border-radius:6px;background:var(--surface);color:var(--text)}.history-drawer-close:hover,.lightbox-close:hover{border-color:var(--blue);color:var(--blue)}.history-list{min-height:0;display:grid;align-content:start;gap:8px;overflow-y:auto;padding-right:3px;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}.history-item{width:100%;min-width:0;border:1px solid var(--line);border-radius:6px;display:grid;gap:7px;padding:11px 12px;background:var(--surface);color:var(--text);text-align:left;cursor:pointer}.history-item:hover,.history-item.active{border-color:var(--blue);background:var(--blue-soft)}.history-item.failed{border-left:3px solid var(--danger)}.history-item span{display:-webkit-box;overflow:hidden;font-size:12px;font-weight:600;line-height:1.45;-webkit-box-orient:vertical;-webkit-line-clamp:2}.history-item small{overflow:hidden;color:var(--muted);font-size:10px;text-overflow:ellipsis;white-space:nowrap}.history-empty,.history-error{margin:18px 0 0;color:var(--muted);font-size:12px}.history-error{color:var(--danger)}.drawer-enter-active,.drawer-leave-active{transition:opacity .18s ease}.drawer-enter-active .history-drawer,.drawer-leave-active .history-drawer{transition:transform .18s ease}.drawer-enter-from,.drawer-leave-to{opacity:0}.drawer-enter-from .history-drawer,.drawer-leave-to .history-drawer{transform:translate(100%)}.image-lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:grid;place-items:center;padding:16px;background:#f7f7f8f7;cursor:zoom-out}.image-lightbox>img{width:auto;height:auto;max-width:calc(100vw - 32px);max-height:calc(100dvh - 32px);display:block;border-radius:4px;object-fit:contain;box-shadow:0 16px 48px #11182729;cursor:default}.lightbox-close{position:fixed;top:12px;right:12px;z-index:1;background:#fffffff5}.spin{animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 860px){body{overflow:auto}.studio-shell{min-height:100dvh}.topbar{position:sticky;top:0;z-index:20;padding:0 16px}.studio-grid{grid-template-columns:minmax(0,1fr);height:auto;overflow:visible}.control-panel{height:auto;overflow:visible;padding:22px 18px 26px;border-bottom:1px solid var(--line)}.panel-resizer{display:none}.workspace-panel{min-height:0;display:flex;flex-direction:column}.result-panel{order:1;min-height:430px;overflow:visible;padding:24px 18px 28px}.result-panel:has(.image-grid){display:block;overflow:visible}.composer-dock{order:2;padding:15px 18px 20px;box-shadow:none}.reference-row{grid-template-columns:minmax(0,1fr) auto}.file-chip{grid-column:1 / -1}.prompt-row{grid-template-columns:minmax(0,1fr)}.prompt-row .primary-action{width:100%}.image-grid{grid-template-columns:minmax(0,1fr);grid-auto-rows:auto}.image-card{display:block}.image-preview-trigger,.image-frame img{height:auto}.history-drawer{width:min(400px,100vw)}}@media (max-width: 520px){.brand small,.history-trigger span{display:none}.topbar-actions{gap:9px}.status-indicator{font-size:10px}.history-trigger{padding:0 8px}.parameter-grid,.reference-row{grid-template-columns:minmax(0,1fr)}.reference-row .secondary-action{width:100%}.upload-zone label small{display:none}.history-drawer{width:100vw;padding:17px 16px}}