:root{color-scheme:light;--bg:#f4f5f7;--surface:#ffffff;--surface-subtle:#fafafb;--surface-hover:#f0f1f4;--surface-active:#e5e7eb;--border:#e2e4e9;--border-strong:#c9cdd4;--text:#20242a;--text-secondary:#5b6068;--text-muted:#8b9099;--accent:#4a90d9;--accent-hover:#357abd;--accent-soft:#e8f0fe;--danger:#d9534f;--danger-hover:#c9302c;--checker:#cccccc;--overlay-btn-bg:rgba(255,255,255,0.95);--tool-bg:#fdf6e3;--tool-text:#8a6d00;--reasoning-bg:#f5f6fa;--reasoning-border:#e2e4ee;--reasoning-accent:#5b5fc7;--reasoning-accent-hover:#3f42a0;--canvas-bg:#ffffff;--radius-sm:4px;--radius:6px;--radius-lg:8px;--shadow-sm:0 1px 2px rgba(16,24,40,0.06);--shadow-md:0 2px 8px rgba(16,24,40,0.12);--shadow-lg:0 8px 24px rgba(16,24,40,0.18)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#14161a;--surface:#1d2127;--surface-subtle:#23272f;--surface-hover:#2b303a;--surface-active:#383f4b;--border:#323842;--border-strong:#4b5260;--text:#e6e8ec;--text-secondary:#a9afba;--text-muted:#7d8591;--accent:#5b9fe8;--accent-hover:#7ab0ec;--accent-soft:#1d2f47;--danger:#d9534f;--danger-hover:#e06763;--checker:#484e59;--overlay-btn-bg:rgba(29,33,39,0.95);--tool-bg:#3a2f14;--tool-text:#e3c268;--reasoning-bg:#252a34;--reasoning-border:#353c4b;--reasoning-accent:#9ba0ea;--reasoning-accent-hover:#babdf2;--canvas-bg:#26292f;--shadow-sm:0 1px 2px rgba(0,0,0,0.4);--shadow-md:0 2px 8px rgba(0,0,0,0.5);--shadow-lg:0 8px 24px rgba(0,0,0,0.6)}}:root[data-theme=dark]{color-scheme:dark;--bg:#14161a;--surface:#1d2127;--surface-subtle:#23272f;--surface-hover:#2b303a;--surface-active:#383f4b;--border:#323842;--border-strong:#4b5260;--text:#e6e8ec;--text-secondary:#a9afba;--text-muted:#7d8591;--accent:#5b9fe8;--accent-hover:#7ab0ec;--accent-soft:#1d2f47;--danger:#d9534f;--danger-hover:#e06763;--checker:#484e59;--overlay-btn-bg:rgba(29,33,39,0.95);--tool-bg:#3a2f14;--tool-text:#e3c268;--reasoning-bg:#252a34;--reasoning-border:#353c4b;--reasoning-accent:#9ba0ea;--reasoning-accent-hover:#babdf2;--canvas-bg:#26292f;--shadow-sm:0 1px 2px rgba(0,0,0,0.4);--shadow-md:0 2px 8px rgba(0,0,0,0.5);--shadow-lg:0 8px 24px rgba(0,0,0,0.6)}*,:after,:before{box-sizing:border-box}body,html{overscroll-behavior:none;padding:0;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}h1{text-align:center;font-size:20px;font-weight:650;letter-spacing:.01em;margin:14px 0 10px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius);padding:4px 10px;cursor:pointer;transition:background-color .12s ease,border-color .12s ease,box-shadow .12s ease}button:hover:not(:disabled){background:var(--surface-hover);border-color:var(--text-muted)}button:active:not(:disabled){background:var(--surface-active)}button:disabled{opacity:.5;cursor:default}:focus-visible{outline:2px solid var(--accent);outline-offset:1px}input[type=text],select{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius)}input[type=text]:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}.tab-menu{display:flex;justify-content:center;margin-bottom:1rem;gap:4px;button{margin:0;padding:.45rem 1.25rem;border:1px solid transparent;border-radius:999px;background:transparent;color:var(--text-secondary);font-size:14px;font-weight:500}button:hover:not(:disabled){background:var(--surface-hover);border-color:transparent;color:var(--text)}.active{background:var(--surface);border-color:var(--border-strong);color:var(--text);box-shadow:var(--shadow-sm)}}.editor{text-align:center;width:100%;canvas{touch-action:none;-moz-user-select:none;user-select:none;-webkit-user-select:none;-ms-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;background-color:var(--canvas-bg);box-shadow:var(--shadow-md)}}@media (min-width:1340px){.editor,.preview{flex:1 1;min-width:0}}.editor-controls{display:flex;flex-direction:column;justify-content:space-around;padding:10px;button,input[type=text],select{margin-bottom:10px;height:40px}select{padding-left:.5rem;-webkit-border-radius:0}}.container{display:flex;flex-direction:row;justify-content:center;min-height:0;margin:0 15px}.color-picker{margin-bottom:10px}.preview{display:flex;flex-direction:column;justify-content:space-between;button{margin-bottom:10px;margin-top:10px;height:40px}}.preview-controls{input[type=radio]{margin-right:.5rem;margin-left:1rem}input[type=checkbox],input[type=radio]{accent-color:var(--accent)}fieldset{display:flex;justify-content:space-evenly;border:1px solid var(--border);border-radius:var(--radius)}legend{color:var(--text-secondary)}span{display:inline-flex;align-items:center}}.left-sidebar-overlay .preview-controls fieldset{display:block;padding:10px;margin:6px 0}.left-sidebar-overlay .preview-controls legend{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;padding:0 4px}.left-sidebar-overlay .preview-controls label{font-size:12px;margin-right:8px;color:var(--text-secondary)}.left-sidebar-overlay .preview-controls>button{width:100%;padding:6px 8px;font-size:12px}.left-sidebar-overlay .auth{justify-content:flex-start}.left-sidebar-overlay .auth p{margin:0 0 8px;font-size:12px;color:var(--text-secondary)}.left-sidebar-overlay .my-skins{gap:8px}.left-sidebar-overlay .my-skins input[type=text],.left-sidebar-overlay .my-skins select{width:100%;height:30px;font-size:12px;padding:4px 6px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);max-width:100%}.left-sidebar-overlay .my-skins button{padding:5px 10px;font-size:12px;width:auto}.left-sidebar-overlay .my-skins-actions{display:flex;flex-direction:row;gap:6px;align-items:center}.color-controls{display:flex;margin-right:1rem;flex-direction:row;flex-wrap:wrap;width:100%;align-items:center;margin-bottom:1rem;.color-selector{width:40px;height:40px;border:1px solid var(--border-strong);border-radius:var(--radius);display:flex;justify-content:center;align-items:center;margin:.5rem;overflow:hidden;cursor:pointer;transition:border-color .12s ease;&:hover{border-color:var(--accent)}input[type=color]{height:100%;width:100%;border:none;padding:0;cursor:pointer}span{width:100%;height:1px;background-color:#f00;transform:rotate(45deg)}}.color-swatch-container{display:flex;flex-direction:row;flex-wrap:wrap;gap:4px}.color-swatch{width:28px;height:28px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);display:flex;justify-content:center;align-items:center;overflow:hidden;cursor:pointer;transition:transform .1s ease,border-color .12s ease,box-shadow .12s ease;&:hover{transform:scale(1.12);border-color:var(--accent);box-shadow:var(--shadow-sm);z-index:1}span{width:100%;height:1px;background-color:#f00;transform:rotate(45deg)}}}.history-controls{display:flex;flex-direction:row;justify-content:space-between;gap:2%;button{flex:1 1;cursor:pointer}}.auth{font-size:smaller;display:flex;flex-direction:row;justify-content:center}.my-skins{display:flex;flex-direction:column;input[type=text]{padding-left:.5rem;height:40px}}.pixel-painter-container{position:relative}.back-to-all-overlay-button,.hamburger-button{position:absolute;top:8px;left:8px;z-index:2100;width:36px;height:36px;padding:0;border:1px solid var(--border);background:var(--overlay-btn-bg);border-radius:var(--radius);cursor:pointer;font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.back-to-all-overlay-button:hover:not(:disabled){background:var(--accent-soft);border-color:var(--accent)}.pixel-painter-container.editing-part .hamburger-button{top:52px}.pixel-painter-container.editing-part .ai-chat-button{top:96px}.pixel-painter-container.sidebar-open .back-to-all-overlay-button{display:none}.ai-chat-button{position:absolute;top:48px;left:8px;z-index:2100;width:36px;height:36px;padding:0;border:1px solid var(--border);background:var(--overlay-btn-bg);border-radius:var(--radius);cursor:pointer;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.ai-chat-button:hover:not(:disabled){background:var(--accent-soft);border-color:var(--accent)}.ai-chat-button svg{fill:var(--text)}.theme-switcher{display:flex;gap:2px;background:var(--surface-hover);border-radius:var(--radius);padding:2px}.theme-btn{flex:1 1;display:inline-flex;align-items:center;justify-content:center;padding:4px 8px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--text-muted);cursor:pointer;transition:all .15s ease;font-size:12px;font-weight:600;line-height:1}.theme-btn:hover:not(:disabled){color:var(--text);background:transparent}.theme-btn--active,.theme-btn--active:hover:not(:disabled){background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}.pixel-painter-container.sidebar-open .ai-chat-button,.pixel-painter-container.sidebar-open .hamburger-button{display:none}.left-sidebar-overlay{position:absolute;top:0;left:0;height:100%;width:280px;max-width:85vw;background:var(--surface);border-right:1px solid var(--border);transform:translateX(-100%);visibility:hidden;transition:transform .18s ease-in-out,visibility 0s linear .18s;z-index:2000;overflow-y:auto;padding:12px}.left-sidebar-overlay.open{transform:translateX(0);visibility:visible;transition:transform .18s ease-in-out,visibility 0s;box-shadow:var(--shadow-lg)}.left-sidebar-overlay--chat{display:flex;flex-direction:column;overflow:hidden;width:340px}.sidebar-topbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-bottom:8px;border-bottom:1px solid var(--border);margin-bottom:8px}.selected-area-title{font-size:15px;font-weight:600;color:var(--text)}.sidebar-topbar .topbar-left{display:flex;align-items:center;gap:8px}.back-to-all-button{padding:2px 8px;font-size:12px;font-weight:500;border:1px solid var(--border);background:var(--surface-subtle);border-radius:var(--radius-sm);cursor:pointer}.sidebar-title{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin:4px 0 8px}.area-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.left-sidebar-overlay .area-actions .select-area-button{padding:5px 10px;font-size:12px}.left-sidebar-overlay .quick-fill-inline select{height:30px;font-size:12px}.left-sidebar-overlay .history-controls{display:inline-flex;gap:6px;width:auto}.left-sidebar-overlay .history-controls button{flex:none;width:auto;padding:4px 8px;font-size:12px}.left-sidebar-overlay .history-controls.compact button{width:28px;height:28px;padding:0;font-size:16px;line-height:1;display:inline-flex;align-items:center;justify-content:center}.left-sidebar-overlay .history-controls.compact button svg{width:18px;height:18px}.sidebar-section{margin-top:8px}.left-sidebar-overlay .sidebar-section+.sidebar-section{border-top:1px solid var(--border);padding-top:10px;margin-top:10px}.left-sidebar-overlay .sidebar-section select,.left-sidebar-overlay .sidebar-section>.fill-all-button,.left-sidebar-overlay .sidebar-section>button{width:100%}.left-sidebar-overlay .compact-actions{display:flex;gap:6px;align-items:center;flex-wrap:nowrap}.left-sidebar-overlay .compact-actions .uploader-inline label,.left-sidebar-overlay .compact-actions>button{padding:4px 8px;font-size:11px;white-space:nowrap}.left-sidebar-overlay .compact-actions .uploader-inline label{display:inline-block;border:1px solid var(--border-strong);background:var(--surface);border-radius:var(--radius);cursor:pointer;margin:0;transition:background-color .12s ease,border-color .12s ease}.left-sidebar-overlay .compact-actions .uploader-inline label:hover{background:var(--surface-hover);border-color:var(--text-muted)}.left-sidebar-overlay .compact-actions .uploader-inline input[type=file]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);-webkit-clip-path:inset(50%);clip-path:inset(50%);border:0;white-space:nowrap}.close-sidebar-button{width:28px;height:28px;padding:0;border:1px solid var(--border);background:var(--surface-subtle);border-radius:var(--radius);cursor:pointer;font-size:16px;line-height:1;color:var(--text-secondary);display:inline-flex;align-items:center;justify-content:center}.close-sidebar-button:hover:not(:disabled){color:var(--text)}.color-picker-menu{position:fixed;z-index:9999;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:10px;box-shadow:var(--shadow-lg);display:flex;gap:8px;flex-wrap:wrap;max-width:320px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.current-color-indicator{width:100%;display:flex;align-items:center;margin-bottom:8px;padding:6px 8px;background:var(--surface-subtle);border-radius:var(--radius-sm);border:1px solid var(--border)}.current-color-swatch{width:20px;height:20px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);margin-right:8px}.current-color-text{font-size:11px;color:var(--text-secondary);font-weight:500}.color-picker-button{width:32px;height:32px;padding:0;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:transparent;cursor:pointer;transition:transform .1s ease,border-color .12s ease}.color-picker-button:hover:not(:disabled){transform:scale(1.1);border-color:var(--accent)}.transparent-button,.transparent-button:hover:not(:disabled),.transparent-swatch{background:linear-gradient(45deg,var(--checker) 25%,transparent 25%),linear-gradient(-45deg,var(--checker) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,var(--checker) 75%),linear-gradient(-45deg,transparent 75%,var(--checker) 75%);background-size:8px 8px;background-position:0 0,0 4px,4px -4px,-4px 0}.more-colors-container{position:relative;display:inline-block;margin-left:4px}.more-colors-button{border:1px solid var(--border-strong);background:var(--surface);padding:6px 10px;border-radius:var(--radius);cursor:pointer;font-size:13px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.more-colors-container:hover .more-colors-button{background:var(--surface-hover)}.more-colors-input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.fill-all-button{padding:6px 12px;border:1px solid var(--border-strong);border-radius:var(--radius);font-weight:500;color:var(--text);margin-left:8px;white-space:nowrap}.fill-all-button,.select-area-button{background:var(--surface);cursor:pointer;font-size:12px}.select-area-button{border:1px solid var(--border-strong);padding:2px 8px;border-radius:var(--radius-sm)}.area-selector-dropdown{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);max-height:300px;overflow-y:auto;z-index:1000}.area-selector-dropdown.in-sidebar{position:static;box-shadow:none;border:1px solid var(--border);margin-top:8px}.area-group-header{display:flex;align-items:center;justify-content:space-between;width:100%;padding:10px 12px;border:none;border-radius:0;background:var(--surface-subtle);text-align:left;cursor:pointer;font-size:13px;font-weight:600;border-bottom:1px solid var(--border);color:var(--text)}.area-group-header:hover{background:var(--surface-hover)}.area-group-arrow{transition:transform .2s ease;font-size:11px;color:var(--text-muted)}.area-group-arrow.expanded{transform:rotate(180deg)}.area-item-button{display:block;width:100%;padding:8px 24px;border:none;border-radius:0;background:transparent;text-align:left;cursor:pointer;font-size:13px;border-bottom:1px solid var(--border);color:var(--text-secondary)}.area-item-button:hover:not(:disabled){background:var(--accent-soft);color:var(--text)}.area-item-button.all-areas-item{font-weight:600;color:var(--text)}.tooltip{position:fixed;background:rgba(32,36,42,.92);color:white;padding:4px 10px;border-radius:var(--radius-sm);font-size:12px;font-weight:500;z-index:10000;pointer-events:none;white-space:nowrap;box-shadow:var(--shadow-md)}.chat-panel{width:350px;flex-shrink:0;display:flex;flex-direction:column;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);overflow:hidden;max-height:calc(100vh - 140px)}@media (min-width:1340px){.chat-panel{position:fixed;right:16px;bottom:72px;z-index:90;max-height:calc(100vh - 120px);box-shadow:var(--shadow-lg)}}.chat-panel__header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--border);background:var(--surface-subtle);flex-shrink:0}.chat-panel__title{font-size:14px;font-weight:600;color:var(--text)}.chat-panel__close{padding:2px 8px;background:none;border:none;color:var(--text-muted);font-size:18px;cursor:pointer;line-height:1}.chat-panel__close:hover{color:var(--text)}.chat-main,.chat-panel__body{overflow:hidden}.chat-main,.chat-panel--in-sidebar,.chat-panel__body{flex:1 1;display:flex;flex-direction:column;min-height:0}.chat-panel--in-sidebar{width:100%;border:none;border-radius:0;position:static;max-height:none;box-shadow:none}.chat-panel--in-sidebar .chat-panel__body{flex:1 1;min-height:0;overflow:hidden}@media (max-width:1339px){.chat-panel{width:100%;max-height:none;height:calc(100vh - 200px)}}.chat-card{display:flex;flex-direction:column;height:100%;border:none;border-radius:0;background:var(--surface);overflow:hidden}.chat-card__header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--surface-subtle)}.chat-card__title{margin:0;font-size:15px;font-weight:600;color:var(--text)}.chat-card__status{font-size:12px;color:var(--text-secondary)}.chat-card__status a{color:var(--accent);text-decoration:none}.chat-card__reset{padding:4px 12px;background:var(--surface-hover);color:var(--text);border:none;border-radius:var(--radius-sm);cursor:pointer;font-size:12px}.chat-card__reset:hover:not(:disabled){background:var(--surface-active)}.chat-card__body{flex:1 1;overflow-y:auto;padding:12px 16px;display:flex;flex-direction:column;gap:8px}.chat-card__empty{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-muted);font-size:14px;text-align:center;padding:32px}.chat-card__message{padding:0 12px;border-radius:var(--radius-lg);font-size:14px;text-align:left;line-height:1.5;max-width:85%;word-wrap:break-word}.chat-card__message--user{background:var(--accent);color:#fff;align-self:flex-end;border-bottom-right-radius:var(--radius-sm)}.chat-card__message--assistant{background:var(--surface-hover);color:var(--text);align-self:flex-start;border-bottom-left-radius:var(--radius-sm)}.chat-card__message--tool{background:var(--tool-bg);color:var(--tool-text);align-self:flex-start;font-size:12px;font-family:monospace}.chat-card__message--streaming{border-left:3px solid var(--accent)}.chat-card__reasoning{margin:0 0 8px;padding:6px 10px;background:var(--reasoning-bg);border-radius:var(--radius-sm);border:1px solid var(--reasoning-border);font-size:12px;color:var(--text-secondary)}.chat-card__reasoning-toggle{cursor:pointer;color:var(--reasoning-accent);font-weight:500;list-style:none}.chat-card__reasoning-toggle::-webkit-details-marker{display:none}.chat-card__reasoning-toggle:hover{color:var(--reasoning-accent-hover)}.chat-card__reasoning-body{margin-top:6px;padding-top:6px;border-top:1px solid var(--reasoning-border)}.chat-card__reasoning-body p{margin:0 0 4px;line-height:1.5}.chat-card__reasoning-body p:last-child{margin-bottom:0}.chat-card__tool-calls{margin:0 0 8px;display:flex;flex-direction:column;gap:4px}.chat-card__tool-call{padding:4px 8px;background:var(--tool-bg);color:var(--tool-text);border-radius:var(--radius-sm);font-size:12px;font-family:monospace}.chat-card__attachment-image{max-width:100%;max-height:160px;border-radius:var(--radius-sm);display:block;margin-bottom:4px}.chat-card__typing{display:flex;gap:4px;padding:10px 14px;align-self:flex-start;background:var(--surface-hover);border-radius:var(--radius-lg)}.chat-card__typing-dot{width:8px;height:8px;border-radius:50%;background:var(--text-muted);animation:chat-typing-bounce 1.4s ease-in-out infinite}.chat-card__typing-dot:nth-child(2){animation-delay:.2s}.chat-card__typing-dot:nth-child(3){animation-delay:.4s}@keyframes chat-typing-bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}.chat-card__input{border-top:1px solid var(--border);padding:8px 12px;background:var(--surface-subtle)}.chat-card__composer{display:flex;gap:8px;align-items:flex-end}.chat-card__input-wrap{flex:1 1;position:relative;display:flex;align-items:flex-end}.chat-card__textarea{flex:1 1;padding:8px 40px 8px 12px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:14px;font-family:inherit;resize:none;min-height:40px;max-height:120px}.chat-card__textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}.chat-card__attach-btn{position:absolute;right:6px;bottom:6px;width:28px;height:28px;padding:0;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center}.chat-card__attach-btn:hover:not(:disabled){background:var(--surface-hover);color:var(--text)}.chat-card__attach-btn:disabled{opacity:.5;cursor:default}.chat-card__send-btn{padding:8px 16px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;font-size:13px;font-weight:500}.chat-card__send-btn:disabled{opacity:.5;cursor:default}.chat-card__send-btn:hover:not(:disabled){background:var(--accent-hover)}.chat-card__cancel-btn{padding:8px 16px;background:var(--danger);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;font-size:13px;font-weight:500}.chat-card__cancel-btn:hover:not(:disabled){background:var(--danger-hover)}.chat-card__error{padding:6px 12px;color:var(--danger);font-size:12px}