.studio-page{padding-top:60px;min-height:100vh;display:flex;flex-direction:column;background-color:var(--black-primary)}.notification{position:fixed;top:80px;left:50%;transform:translateX(-50%);padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--radius-md);font-weight:500;z-index:1000;animation:slideDown .3s ease}.notification.info{background-color:var(--grey-medium);color:var(--white-primary)}.notification.success{background-color:var(--success);color:var(--white-primary)}.notification.error{background-color:var(--error);color:var(--white-primary)}@keyframes slideDown{0%{opacity:0;transform:translateX(-50%) translateY(-20px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}.studio-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);background-color:var(--black-secondary);border-bottom:1px solid var(--grey-dark)}.studio-header h1{font-size:1.25rem;font-weight:600}.header-actions{display:flex;gap:var(--spacing-sm)}.btn-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background-color:var(--grey-dark);border:none;border-radius:var(--radius-md);color:var(--white-primary);cursor:pointer;transition:all var(--transition-fast)}.btn-icon:hover:not(:disabled){background-color:var(--grey-medium)}.btn-icon:disabled{opacity:.4;cursor:not-allowed}.btn-icon svg{width:18px;height:18px}.studio-layout{flex:1 1;display:grid;grid-template-columns:200px 1fr 280px;overflow:hidden}.studio-toolbar{background-color:var(--black-secondary);border-right:1px solid var(--grey-dark);padding:var(--spacing-lg);overflow-y:auto}.tool-group{margin-bottom:var(--spacing-xl)}.tool-label{display:block;font-size:.75rem;font-weight:600;color:var(--grey-lighter);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--spacing-sm)}.tool-buttons{display:flex;gap:var(--spacing-sm)}.tool-buttons-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:var(--spacing-sm);gap:var(--spacing-sm)}.tool-btn{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background-color:var(--grey-dark);border:2px solid transparent;border-radius:var(--radius-md);color:var(--white-muted);cursor:pointer;transition:all var(--transition-fast)}.tool-btn:hover{background-color:var(--grey-medium);color:var(--white-primary)}.tool-btn.active{background-color:var(--orange-primary);border-color:var(--orange-primary);color:var(--white-primary)}.tool-btn svg{width:22px;height:22px}.brush-slider{width:100%;height:6px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--grey-dark);border-radius:var(--radius-full);outline:none;margin-bottom:var(--spacing-md)}.brush-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;background:var(--orange-primary);border-radius:50%;cursor:pointer;-webkit-transition:transform var(--transition-fast);transition:transform var(--transition-fast)}.brush-slider::-webkit-slider-thumb:hover{transform:scale(1.1)}.brush-preview{margin:0 auto;background-color:rgba(255,87,34,.5);border-radius:50%;min-width:10px;min-height:10px}.mask-controls{flex-direction:column}.checkbox-label,.mask-controls{display:flex;gap:var(--spacing-sm)}.checkbox-label{align-items:center;color:var(--white-muted);font-size:.9rem;cursor:pointer}.checkbox-label input[type=checkbox]{width:16px;height:16px;accent-color:var(--orange-primary)}.btn-small{padding:var(--spacing-xs) var(--spacing-md);background-color:var(--grey-dark);border:none;border-radius:var(--radius-md);color:var(--white-muted);font-size:.85rem;cursor:pointer;transition:all var(--transition-fast)}.btn-small:hover{background-color:var(--grey-medium);color:var(--white-primary)}.shortcuts-list{display:flex;flex-direction:column;gap:var(--spacing-xs);font-size:.8rem;color:var(--grey-lighter)}.shortcuts-list kbd{display:inline-block;padding:2px 6px;background-color:var(--grey-dark);border-radius:var(--radius-sm);font-family:monospace;font-size:.75rem}.studio-canvas-area{background-color:var(--black-primary);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}.upload-zone{justify-content:center;height:100%;padding:var(--spacing-2xl)}.upload-content,.upload-zone{display:flex;flex-direction:column;align-items:center;width:100%}.upload-content{text-align:center;padding:var(--spacing-3xl);border:2px dashed var(--grey-medium);border-radius:var(--radius-xl);background-color:var(--grey-dark);transition:all var(--transition-normal);max-width:500px}.upload-zone.drag-over .upload-content{border-color:var(--orange-primary);background-color:rgba(255,87,34,.1)}.upload-content svg{width:64px;height:64px;color:var(--grey-lighter);margin-bottom:var(--spacing-lg)}.upload-content h3{font-size:1.25rem;margin-bottom:var(--spacing-sm)}.upload-content p{color:var(--grey-lighter);margin-bottom:var(--spacing-lg)}.file-input{display:none}.sample-images{margin-top:var(--spacing-2xl);text-align:center}.sample-images p{color:var(--grey-lighter);font-size:.9rem;margin-bottom:var(--spacing-md)}.sample-grid{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap}.sample-btn{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm);background-color:var(--grey-dark);border:2px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.sample-btn:hover{border-color:var(--orange-primary)}.sample-btn img{width:80px;height:60px;object-fit:cover;border-radius:var(--radius-sm)}.sample-btn span{font-size:.75rem;color:var(--white-muted)}.canvas-container{width:100%;height:100%;display:flex;align-items:center;justify-content:center;overflow:hidden;background-color:#0a0a0a;background-image:linear-gradient(45deg,#151515 25%,transparent 0),linear-gradient(-45deg,#151515 25%,transparent 0),linear-gradient(45deg,transparent 75%,#151515 0),linear-gradient(-45deg,transparent 75%,#151515 0);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}.canvas-wrapper{position:relative;display:inline-block;transform-origin:center center;transition:transform .1s ease}.main-canvas{display:block;max-width:100%;max-height:calc(100vh - 180px);cursor:crosshair;box-shadow:var(--shadow-xl)}.mask-canvas,.overlay-canvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.mask-canvas{transition:opacity var(--transition-fast)}.mask-canvas.visible{opacity:1}.mask-canvas.hidden{opacity:0}.overlay-canvas{z-index:2}.brush-cursor{position:absolute;border:2px solid hsla(0,0%,100%,.7);border-radius:50%;pointer-events:none;transform:translate(-50%,-50%);z-index:3;mix-blend-mode:difference}.cursor-brush,.cursor-brush .main-canvas{cursor:none}.cursor-crosshair,.cursor-crosshair .main-canvas{cursor:crosshair}.zoom-controls{position:absolute;bottom:var(--spacing-lg);left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm);background-color:rgba(26,26,26,.9);border-radius:var(--radius-full);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.zoom-controls span{min-width:50px;text-align:center;font-size:.85rem;color:var(--white-muted)}.studio-panel{background-color:var(--black-secondary);border-left:1px solid var(--grey-dark);padding:var(--spacing-lg);overflow-y:auto}.panel-section{margin-bottom:var(--spacing-xl)}.panel-label{display:block;font-size:.75rem;font-weight:600;color:var(--grey-lighter);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--spacing-sm)}.prompt-input{width:100%;padding:var(--spacing-md);background-color:var(--grey-dark);border:1px solid var(--grey-medium);border-radius:var(--radius-md);color:var(--white-primary);font-family:inherit;font-size:.9rem;resize:vertical;min-height:80px;transition:border-color var(--transition-fast)}.prompt-input:focus{outline:none;border-color:var(--orange-primary)}.prompt-input::placeholder{color:var(--grey-light)}.quick-prompts{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);margin-top:var(--spacing-md)}.quick-prompt-btn{padding:var(--spacing-xs) var(--spacing-sm);background-color:var(--grey-dark);border:1px solid var(--grey-medium);border-radius:var(--radius-full);color:var(--white-muted);font-size:.75rem;cursor:pointer;transition:all var(--transition-fast)}.quick-prompt-btn:hover{border-color:var(--orange-primary);color:var(--orange-primary)}.btn-full{width:100%;margin-bottom:var(--spacing-sm)}.btn-primary.btn-large svg,.spinner{width:18px;height:18px;margin-right:var(--spacing-sm)}.spinner{display:inline-block;border:2px solid hsla(0,0%,100%,.3);border-top:2px solid var(--white-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.tips-list{list-style:none;font-size:.85rem;color:var(--grey-lighter)}.tips-list li{position:relative;padding-left:var(--spacing-lg);margin-bottom:var(--spacing-sm)}.tips-list li:before{content:"•";position:absolute;left:0;color:var(--orange-primary)}.api-info{padding:var(--spacing-md);background-color:var(--grey-dark);border-radius:var(--radius-md)}.api-badge{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-sm)}.badge-dot{width:8px;height:8px;background-color:var(--success);border-radius:50%}.badge-status{margin-left:auto;padding:2px 8px;background-color:var(--grey-medium);border-radius:var(--radius-full);font-size:.7rem}.api-note,.badge-status{color:var(--grey-lighter)}.api-note{font-size:.8rem;line-height:1.5}@media (max-width:1024px){.studio-layout{grid-template-columns:1fr;grid-template-rows:auto 1fr auto}.studio-toolbar{border-right:none;border-bottom:1px solid var(--grey-dark);padding:var(--spacing-md);overflow-x:auto}.studio-toolbar .tool-group{display:inline-flex;flex-direction:column;margin-right:var(--spacing-xl);margin-bottom:0}.studio-panel{border-left:none;border-top:1px solid var(--grey-dark)}}@media (max-width:640px){.studio-header h1{font-size:1rem}.sample-grid{flex-direction:column;align-items:center}.quick-prompts{justify-content:center}}