*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-tertiary: #242424;--bg-hover: #2a2a2a;--text-primary: #ffffff;--text-secondary: #a0a0a0;--text-muted: #666666;--accent: #6366f1;--accent-hover: #818cf8;--accent-glow: rgba(99, 102, 241, .3);--border: #333333;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow: 0 4px 20px rgba(0, 0, 0, .4);--transition: all .2s ease}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow:hidden}.app-container{display:flex;flex-direction:column;height:100vh}.header{display:flex;justify-content:space-between;align-items:center;padding:12px 24px;background:var(--bg-secondary);border-bottom:1px solid var(--border);z-index:100}.logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:600;color:var(--text-primary)}.logo-icon{width:28px;height:28px;color:var(--accent)}.header-actions{display:flex;gap:10px}.btn{display:flex;align-items:center;gap:8px;padding:10px 18px;border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:var(--transition)}.btn svg{width:18px;height:18px}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);box-shadow:0 0 20px var(--accent-glow)}.btn-accent{background:linear-gradient(135deg,#f59e0b,#ef4444);color:#fff;text-decoration:none}.btn-accent:hover{background:linear-gradient(135deg,#fbbf24,#f87171);box-shadow:0 0 20px #f59e0b66}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--text-muted)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:disabled:hover{background:var(--bg-tertiary);box-shadow:none}.main-content{display:flex;flex:1;overflow:hidden}.sidebar{width:300px;background:var(--bg-secondary);border-right:1px solid var(--border);overflow-y:auto;padding:20px}.sidebar-section{margin-bottom:28px}.section-title{display:flex;align-items:center;gap:10px;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:16px}.section-title svg{width:16px;height:16px}.upload-area{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px;border:2px dashed var(--border);border-radius:var(--radius-lg);cursor:pointer;transition:var(--transition);text-align:center}.upload-area:hover{border-color:var(--accent);background:#6366f10d}.upload-area.dragover{border-color:var(--accent);background:#6366f11a}.upload-icon{width:48px;height:48px;color:var(--text-muted);margin-bottom:12px}.upload-area p{font-size:.875rem;color:var(--text-secondary)}.adjustment-controls{display:flex;flex-direction:column;gap:18px}.control-group{display:flex;flex-direction:column;gap:8px}.control-group label{display:flex;align-items:center;gap:8px;font-size:.875rem;color:var(--text-secondary)}.control-group label svg{width:14px;height:14px}.control-group input[type=range]{width:100%;height:6px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--bg-tertiary);border-radius:3px;cursor:pointer}.control-group input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;background:var(--accent);border-radius:50%;cursor:pointer;transition:var(--transition)}.control-group input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 0 10px var(--accent-glow)}.control-group input[type=range]::-moz-range-thumb{width:16px;height:16px;background:var(--accent);border-radius:50%;cursor:pointer;border:none}.value-display{font-size:.75rem;color:var(--text-muted);text-align:right;min-width:30px}.transform-controls{display:grid;grid-template-columns:1fr 1fr;gap:10px}.transform-btn{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 10px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:var(--transition)}.transform-btn svg{width:20px;height:20px}.transform-btn span{font-size:.75rem}.transform-btn:hover{background:var(--bg-hover);border-color:var(--accent);color:var(--text-primary)}.resize-controls{display:flex;flex-direction:column;gap:14px}.resize-inputs{display:grid;grid-template-columns:1fr 1fr;gap:10px}.resize-input-group{display:flex;flex-direction:column;gap:6px}.resize-input-group label{font-size:.75rem;color:var(--text-secondary)}.resize-input-group input[type=number]{width:100%;padding:10px 12px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.875rem;font-family:inherit;transition:var(--transition)}.resize-input-group input[type=number]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-glow)}.resize-input-group input[type=number]::placeholder{color:var(--text-muted)}.resize-options{display:flex;align-items:center}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--text-secondary);cursor:pointer}.checkbox-label input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}.resize-btn{width:100%;justify-content:center}.draw-controls{display:flex;flex-direction:column;gap:14px}.tool-buttons{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}.tool-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 8px;background:var(--bg-tertiary);border:2px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:var(--transition)}.tool-btn svg{width:18px;height:18px}.tool-btn span{font-size:.7rem}.tool-btn:hover{background:var(--bg-hover);border-color:var(--text-muted)}.tool-btn.active{border-color:var(--accent);background:#6366f11a;color:var(--text-primary)}.draw-options{display:flex;flex-direction:column;gap:12px;padding-top:10px;border-top:1px solid var(--border)}.color-picker-group{display:flex;align-items:center;justify-content:space-between}.color-picker-group label{font-size:.875rem;color:var(--text-secondary)}.color-picker-group input[type=color]{width:40px;height:32px;padding:0;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-tertiary);cursor:pointer}.color-picker-group input[type=color]::-webkit-color-swatch-wrapper{padding:2px}.color-picker-group input[type=color]::-webkit-color-swatch{border-radius:2px;border:none}.text-input-group{display:flex;flex-direction:column;gap:6px}.text-input-group label{font-size:.75rem;color:var(--text-secondary)}.text-input-group input[type=text]{width:100%;padding:10px 12px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.875rem;font-family:inherit;transition:var(--transition)}.text-input-group input[type=text]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-glow)}.text-input-group input[type=text]::placeholder{color:var(--text-muted)}#canvas.brush-cursor{cursor:crosshair}#canvas.text-cursor{cursor:text}#canvas.move-cursor{cursor:move}.canvas-container{flex:1;display:flex;align-items:center;justify-content:center;padding:40px;background:var(--bg-primary);overflow:hidden}.canvas-wrapper{position:relative;max-width:100%;max-height:100%;display:flex;align-items:center;justify-content:center}#canvas{max-width:100%;max-height:calc(100vh - 200px);border-radius:var(--radius-lg);box-shadow:var(--shadow);display:none}#canvas.visible{display:block}.placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px;text-align:center}.placeholder.hidden{display:none}.placeholder-icon{width:80px;height:80px;color:var(--text-muted);margin-bottom:20px;opacity:.5}.placeholder h2{font-size:1.5rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.placeholder p{font-size:.95rem;color:var(--text-muted)}.filters-panel{width:200px;background:var(--bg-secondary);border-left:1px solid var(--border);padding:20px;overflow-y:auto}.filters-grid{display:flex;flex-direction:column;gap:10px}.filter-btn{display:flex;align-items:center;gap:12px;padding:10px;background:var(--bg-tertiary);border:2px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);text-align:left}.filter-btn:hover{background:var(--bg-hover)}.filter-btn.active{border-color:var(--accent);background:#6366f11a}.filter-preview{width:40px;height:40px;border-radius:var(--radius-sm);background:linear-gradient(135deg,#667eea,#764ba2);flex-shrink:0}.filter-preview.grayscale{filter:grayscale(100%)}.filter-preview.sepia{filter:sepia(100%)}.filter-preview.vintage{filter:sepia(50%) contrast(90%) brightness(90%)}.filter-preview.cold{filter:saturate(80%) hue-rotate(180deg)}.filter-preview.warm{filter:saturate(120%) hue-rotate(-20deg)}.filter-preview.dramatic{filter:contrast(150%) saturate(120%)}.filter-preview.fade{filter:contrast(80%) brightness(110%) saturate(80%)}.filter-preview.vivid{filter:saturate(150%) contrast(110%)}.filter-preview.noir{filter:grayscale(100%) contrast(120%)}.filter-preview.invert{filter:invert(100%)}.filter-preview.polaroid{filter:sepia(30%) saturate(140%) contrast(90%)}.filter-btn span{font-size:.8rem;color:var(--text-secondary)}.filter-btn.active span{color:var(--text-primary)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@media (max-width: 1200px){.filters-panel{width:160px}.filter-preview{width:32px;height:32px}}@media (max-width: 900px){.sidebar{width:260px}.header-actions .btn span{display:none}.btn{padding:10px 12px}}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}#canvas.visible{animation:fadeIn .3s ease}