:root{--editor-bg:#f3f6f1;--editor-shell:#fff;--editor-panel:#f8faf7;--editor-ink:#202824;--editor-muted:#76827a;--editor-line:#dfe6df;--editor-blue:#1677ff;--editor-blue-soft:#e8f2ff;--editor-lime:#d8ff4f;--editor-red:#ff4d4f}*{box-sizing:border-box}[hidden]{display:none!important}html{min-width:320px}body{background:radial-gradient(circle at 16% 0%, #dff3c6, transparent 30%), linear-gradient(135deg, var(--editor-bg), #f8faf6);color:var(--editor-ink);min-height:100vh;margin:0;font-family:DM Sans,sans-serif}a{color:inherit;text-decoration:none}button,textarea,select{color:inherit;font:inherit}.editor-shell{background:var(--editor-shell);border:1px solid var(--editor-line);border-radius:28px;width:calc(100% - 48px);max-width:1368px;margin:24px auto;overflow:hidden;box-shadow:0 28px 90px #1e2a221f}.editor-topbar{border-bottom:1px solid var(--editor-line);background:#fffffff0;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:15px 18px;display:grid}.editor-brand{letter-spacing:-.05em;white-space:nowrap;align-items:center;gap:9px;font-family:Space Grotesk,sans-serif;font-size:23px;font-weight:700;display:inline-flex}.editor-brand>span:last-child>span{color:#789f1c}.editor-logo{background:var(--editor-ink);color:var(--editor-lime);justify-content:center;align-items:center;width:30px;height:30px;display:inline-flex;position:relative}.editor-logo .icon-message-circle{font-size:21px}.editor-logo .icon-image{color:var(--editor-ink);font-size:9px;position:absolute;top:10px;left:11px}.editor-tools{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;display:flex}.editor-tool{border:1px solid var(--editor-line);cursor:pointer;background:0 0;border-radius:13px;align-items:center;gap:7px;min-height:40px;padding:9px 12px;font-size:13px;font-weight:700;display:inline-flex}.editor-tool-primary{background:var(--editor-blue);border-color:var(--editor-blue);color:#fff}.editor-tool.is-active{background:var(--editor-blue-soft);color:var(--editor-blue);border-color:#1677ff73}.editor-tool:disabled{cursor:not-allowed;opacity:.48}.editor-account-menu{position:relative}.editor-account-menu .account-button{border:1px solid var(--editor-line);color:var(--editor-muted);cursor:pointer;text-overflow:ellipsis;white-space:nowrap;background:0 0;border-radius:999px;max-width:190px;padding:10px 13px;font-size:13px;font-weight:700;overflow:hidden}.editor-account-menu .account-button.is-signed-in{color:var(--editor-ink)}.editor-account-menu .account-dropdown{background:var(--editor-shell);border:1px solid var(--editor-line);z-index:8;min-width:160px;padding:6px;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 12px 30px #20282424}.editor-account-menu .account-dropdown a,.editor-account-menu .account-dropdown button{cursor:pointer;text-align:left;background:0 0;border:0;width:100%;padding:9px 12px;font-size:13px;display:block}.editor-account-menu .account-dropdown a{align-items:center;gap:8px;display:flex}.editor-account-menu .account-dropdown a:hover,.editor-account-menu .account-dropdown button:hover{background:var(--editor-panel)}.editor-body{grid-template-rows:minmax(440px,auto) auto auto;display:grid}.editor-workspace{grid-template-columns:minmax(0,1fr) 250px;min-height:470px;display:grid}.editor-canvas-area{justify-content:center;align-items:center;padding:28px;display:flex}.canvas-stage{touch-action:none;-webkit-user-select:none;user-select:none;background-color:#fbfcfa;background-image:linear-gradient(45deg,#e0e8e1 25%,#0000 25%),linear-gradient(-45deg,#e0e8e1 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#e0e8e1 75%),linear-gradient(-45deg,#0000 75%,#e0e8e1 75%);background-position:0 0,0 13px,13px -13px,-13px 0;background-repeat:repeat,repeat,repeat,repeat;background-size:26px 26px;background-attachment:scroll,scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box,border-box;border:1px dashed #b7c4b9;border-radius:24px;justify-content:center;align-items:center;width:min(720px,100%);min-height:395px;display:flex;position:relative;overflow:hidden}.canvas-label{border:1px solid var(--editor-line);color:var(--editor-muted);z-index:3;background:#ffffffeb;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:700;position:absolute;top:18px;left:18px}.canvas-empty{color:var(--editor-muted);text-align:center;flex-direction:column;align-items:center;gap:8px;display:flex}.canvas-empty .icon{font-size:34px}.canvas-empty strong{color:var(--editor-ink)}.editor-image{object-fit:contain;pointer-events:none;z-index:1;max-width:calc(100% - 40px);max-height:370px;position:relative}.selection-box{border:3px solid var(--editor-red);pointer-events:none;z-index:2;border-radius:12px;position:absolute;box-shadow:0 0 0 999px #12181429}.editor-settings{border-left:1px solid var(--editor-line);background:#ffffffc2;flex-direction:column;gap:14px;padding:18px;display:flex}.editor-setting-card,.editor-status-card{background:var(--editor-panel);border:1px solid var(--editor-line);border-radius:18px;padding:14px}.editor-setting-label{color:var(--editor-muted);letter-spacing:.06em;text-transform:uppercase;margin-bottom:9px;font-size:11px;font-weight:800;display:block}.editor-select{background:0 0;border:0;outline:0;width:100%;font-weight:700}.editor-status-card{color:var(--editor-muted);font-size:13px;line-height:1.45}.editor-status-card strong{color:var(--editor-ink);margin-bottom:5px;display:block}.editor-prompt-bar{background:var(--editor-shell);border-top:1px solid var(--editor-line);grid-template-columns:1fr auto;align-items:stretch;gap:12px;padding:15px 18px;display:grid}.editor-prompt{background:var(--editor-panel);border:1px solid var(--editor-line);resize:vertical;border-radius:18px;width:100%;min-height:74px;padding:14px}.generate-button{background:var(--editor-blue);color:#fff;cursor:pointer;border:0;border-radius:16px;min-width:150px;padding:0 20px;font-weight:900}.generate-button:disabled{cursor:not-allowed;background:#b8d5ff}.editor-history{border-top:1px solid var(--editor-line);background:#f7f9f6;padding:14px 18px 18px}.history-head{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.history-head strong{font-size:13px}.history-head span{color:var(--editor-muted);font-size:12px}.history-track{gap:10px;padding:4px 2px 8px;display:flex;overflow-x:auto}.version-card{background:var(--editor-shell);border:1px solid var(--editor-line);cursor:pointer;border-radius:16px;flex:0 0 158px;padding:8px;overflow:hidden}.version-card:hover{border-color:#1677ff61}.version-card.is-current{box-shadow:0 0 0 3px var(--editor-blue-soft);border-color:#1677ffb3}.version-thumb{background:#eef3ed;border-radius:11px;justify-content:center;align-items:center;height:76px;display:flex;overflow:hidden}.version-thumb img{object-fit:cover;width:100%;height:100%}.version-meta{justify-content:space-between;align-items:center;padding-top:7px;display:flex}.version-meta strong{font-size:12px}.version-meta span{color:var(--editor-muted);font-size:11px}.version-actions{grid-template-columns:1fr 1fr;gap:6px;margin-top:8px;display:grid}.version-action{background:var(--editor-panel);border:1px solid var(--editor-line);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;min-height:30px;padding:6px;font-size:11px;font-weight:800;display:inline-flex}.version-action.primary{background:var(--editor-blue);border-color:var(--editor-blue);color:#fff}.version-action:disabled{color:var(--editor-muted);cursor:not-allowed}.editor-toast{background:var(--editor-ink);color:#fff;opacity:0;pointer-events:none;z-index:10;padding:14px 18px;transition:opacity .18s,transform .18s;position:fixed;bottom:28px;left:50%;transform:translate(-50%,10px)}.editor-toast.is-visible{opacity:1;transform:translate(-50%)}@media (width<=900px){.editor-topbar,.editor-workspace,.editor-prompt-bar{grid-template-columns:1fr}.editor-tools{justify-content:flex-start}.editor-settings{border-left:0;border-top:1px solid var(--editor-line);grid-template-columns:1fr 1fr;display:grid}.generate-button{min-height:54px}}@media (width<=560px){.editor-shell{border-radius:0;width:100%;margin:0}.editor-settings{grid-template-columns:1fr}.canvas-stage{min-height:320px}.editor-image{max-height:290px}.version-card{flex-basis:148px}}