:root{--color-primary:#2d4a3e;--color-primary-dark:#1e3329;--color-primary-light:#3d6a55;--color-accent:#8fbc8f;--color-accent-hover:#a8d4a8;--color-bg:#f5f5f0;--color-bg-sidebar:#fff;--color-bg-panel:#f8f8f6;--color-bg-canvas:#e8e8e4;--color-bg-dark:#1a1a1a;--color-text:#333;--color-text-light:#666;--color-text-muted:#999;--color-text-white:#fff;--color-border:#e0e0dc;--color-border-light:#eeeeea;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 2px 8px #0000001f;--shadow-lg:0 4px 16px #00000026;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--sidebar-width:80px;--panel-width:280px;--header-height:40px;--font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:var(--font-family);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:13px;overflow:hidden}.app-layout{flex-direction:column;width:100vw;height:100vh;display:flex;overflow:hidden}.app-header{height:var(--header-height);background:var(--color-primary);z-index:100;flex-shrink:0;align-items:center;padding:0 16px;display:flex}.app-header__title{color:var(--color-text-white);letter-spacing:.5px;font-size:14px;font-weight:600}.app-body{flex:1;display:flex;overflow:hidden}.tool-sidebar{width:var(--sidebar-width);background:var(--color-bg-sidebar);border-right:1px solid var(--color-border);z-index:50;flex-direction:column;flex-shrink:0;display:flex;overflow-y:auto}.tool-sidebar__item{cursor:pointer;color:var(--color-text-light);text-align:center;background:0 0;border:none;border-left:3px solid #0000;flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:12px 8px;font-size:10px;line-height:1.2;transition:all .2s;display:flex}.tool-sidebar__item:hover{background:var(--color-bg-panel);color:var(--color-text)}.tool-sidebar__item--active{color:var(--color-primary);border-left-color:var(--color-primary);background:#2d4a3e14}.tool-sidebar__icon{justify-content:center;align-items:center;width:22px;height:22px;display:flex}.tool-sidebar__icon svg{stroke:currentColor;fill:none;stroke-width:1.5px;width:20px;height:20px}.tool-sidebar__label{white-space:nowrap;font-size:9px;font-weight:500}.tool-panel{width:var(--panel-width);background:var(--color-bg-sidebar);border-right:1px solid var(--color-border);flex-shrink:0;padding:16px;animation:.2s slideIn;overflow-y:auto}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.tool-panel__title{color:var(--color-text);border-bottom:1px solid var(--color-border-light);margin-bottom:16px;padding-bottom:8px;font-size:14px;font-weight:600}.slider-group{margin-bottom:16px}.slider-group__header{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.slider-group__label{color:var(--color-text);font-size:12px;font-weight:500}.slider-group__value-wrap{align-items:center;gap:4px;display:flex}.slider-group__btn{border:1px solid var(--color-border);background:var(--color-bg-sidebar);border-radius:var(--radius-sm);cursor:pointer;width:22px;height:22px;color:var(--color-text-light);justify-content:center;align-items:center;font-size:14px;transition:all .15s;display:flex}.slider-group__btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.slider-group__value{text-align:center;width:34px;color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:#fff;padding:2px 4px;font-size:12px;font-weight:500}.slider-group input[type=range]{appearance:none;background:linear-gradient(to right,var(--color-accent)0%,var(--color-accent)var(--fill,50%),var(--color-border)var(--fill,50%),var(--color-border)100%);cursor:pointer;border-radius:2px;outline:none;width:100%;height:4px}.slider-group input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--color-bg-sidebar);border:2px solid var(--color-accent);cursor:pointer;border-radius:50%;width:14px;height:14px;transition:all .15s}.slider-group input[type=range]::-webkit-slider-thumb:hover{border-color:var(--color-primary);transform:scale(1.2)}.canvas-area{background:var(--color-bg-canvas);flex:1;display:flex;position:relative;overflow:auto}.canvas-area__checkerboard{background-image:linear-gradient(45deg,#d0d0cc 25%,#0000 25%),linear-gradient(-45deg,#d0d0cc 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#d0d0cc 75%),linear-gradient(-45deg,#0000 75%,#d0d0cc 75%);background-position:0 0,0 10px,10px -10px,-10px 0;background-size:20px 20px}.canvas-area__image-container{min-width:0;min-height:0;box-shadow:var(--shadow-lg);justify-content:center;align-items:center;margin:auto;display:flex;position:relative;overflow:hidden}.canvas-area__image{object-fit:contain;max-width:100%;max-height:100%;display:block}.canvas-area__empty{color:var(--color-text-muted);flex-direction:column;justify-content:center;align-items:center;gap:16px;width:100%;height:100%;margin:auto;display:flex}.canvas-area__empty svg{width:64px;height:64px;stroke:var(--color-text-muted);opacity:.5}.canvas-area__empty p{font-size:14px}.crop-overlay{cursor:crosshair;position:absolute;inset:0}.crop-selection{border:2px dashed var(--color-primary);cursor:move;background:#2d4a3e1a;position:absolute}.crop-handle{background:var(--color-bg-sidebar);border:2px solid var(--color-primary);width:10px;height:10px;position:absolute}.crop-handle--nw{cursor:nw-resize;top:-5px;left:-5px}.crop-handle--ne{cursor:ne-resize;top:-5px;right:-5px}.crop-handle--sw{cursor:sw-resize;bottom:-5px;left:-5px}.crop-handle--se{cursor:se-resize;bottom:-5px;right:-5px}.layers-panel{width:var(--panel-width);background:var(--color-bg-sidebar);border-left:1px solid var(--color-border);flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.layers-panel__header{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:8px 12px;font-size:12px;font-weight:600;display:flex}.layers-panel__controls{border-bottom:1px solid var(--color-border);flex-direction:column;gap:6px;padding:8px 12px;display:flex}.layers-panel__row{align-items:center;gap:8px;font-size:11px;display:flex}.layers-panel__row label{color:var(--color-text-light);min-width:30px}.layers-panel__row select,.layers-panel__row input{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:#fff;flex:1;height:24px;padding:0 6px;font-size:11px}.layers-panel__lock-icons{align-items:center;gap:4px;display:flex}.layers-panel__lock-icons button{cursor:pointer;width:20px;height:20px;color:var(--color-text-muted);background:0 0;border:none;border-radius:2px;justify-content:center;align-items:center;font-size:12px;display:flex}.layers-panel__lock-icons button:hover{background:var(--color-bg-panel);color:var(--color-text)}.layers-panel__list{flex:1;overflow-y:auto}.layer-item{border-bottom:1px solid var(--color-border-light);cursor:pointer;align-items:center;gap:8px;padding:6px 12px;transition:background .15s;display:flex}.layer-item:hover{background:var(--color-bg-panel)}.layer-item--active{background:#2d4a3e0f}.layer-item__visibility{cursor:pointer;width:18px;height:18px;color:var(--color-text-muted);justify-content:center;align-items:center;font-size:12px;display:flex}.layer-item__thumbnail{border:1px solid var(--color-border);background:#000;border-radius:2px;flex-shrink:0;width:36px;height:36px;overflow:hidden}.layer-item__thumbnail img{object-fit:cover;width:100%;height:100%}.layer-item__name{color:var(--color-text);flex:1;font-size:11px}.layers-panel__footer{border-top:1px solid var(--color-border);justify-content:center;align-items:center;gap:4px;padding:6px 12px;display:flex}.layers-panel__footer button{cursor:pointer;width:24px;height:24px;color:var(--color-text-muted);background:0 0;border:none;border-radius:2px;justify-content:center;align-items:center;font-size:14px;display:flex}.layers-panel__footer button:hover{background:var(--color-bg-panel);color:var(--color-text)}.upload-zone{border:2px dashed var(--color-border);border-radius:var(--radius-md);text-align:center;cursor:pointer;margin-bottom:12px;padding:32px 16px;transition:all .2s}.upload-zone:hover{border-color:var(--color-primary);background:#2d4a3e0a}.upload-zone--dragging{border-color:var(--color-primary);background:#2d4a3e14}.upload-zone__icon{color:var(--color-text-muted);margin-bottom:8px}.upload-zone__icon svg{width:32px;height:32px}.upload-zone__text{color:var(--color-text-light);font-size:12px}.upload-zone__text strong{color:var(--color-primary)}.upload-zone__formats{color:var(--color-text-muted);margin-top:4px;font-size:10px}.swatch-grid{flex-wrap:wrap;gap:8px;display:flex}.swatch{border-radius:var(--radius-sm);border:2px solid var(--color-border);cursor:pointer;width:52px;height:52px;transition:all .15s}.swatch:hover{box-shadow:var(--shadow-md);transform:scale(1.05)}.swatch--active{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-accent)}.shape-grid{gap:8px;display:flex}.shape-option{border:2px solid 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select:hover{border-color:var(--color-primary-light)}.channel-slider{margin-bottom:10px}.channel-slider__header{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.channel-slider__label{text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-light);font-size:10px;font-weight:600}.channel-slider__value{text-align:right;min-width:30px;font-size:11px;font-weight:500}.channel-slider__value--red{color:#c0392b}.channel-slider__value--yellow{color:#d4a017}.channel-slider__value--green{color:#27ae60}.channel-slider__value--cyan{color:#0cc;font-weight:700}.channel-slider__value--blue{color:#2980b9}.channel-slider__value--magenta{color:#c0c;font-weight:700}.channel-slider__value--tint{color:#8d6e63}.channel-slider input[type=range]{appearance:none;cursor:pointer;border-radius:2px;outline:none;width:100%;height:4px}.channel-slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;cursor:pointer;border:2px solid #fff;border-radius:50%;width:12px;height:12px;box-shadow:0 1px 3px #0000004d}.channel-slider--red input[type=range]{background:linear-gradient(90deg,#2d4a3e,#c0392b)}.channel-slider--red input[type=range]::-webkit-slider-thumb{background:#c0392b}.channel-slider--yellow input[type=range]{background:linear-gradient(90deg,#2d4a3e,#f1c40f)}.channel-slider--yellow input[type=range]::-webkit-slider-thumb{background:#d4a017}.channel-slider--green input[type=range]{background:linear-gradient(90deg,#2d4a3e,#27ae60)}.channel-slider--green input[type=range]::-webkit-slider-thumb{background:#27ae60}.channel-slider--cyan input[type=range]{background:linear-gradient(90deg,#2d4a3e,#0ff)!important}.channel-slider--cyan input[type=range]::-webkit-slider-thumb{border-color:#fff;background:#0ff!important}.channel-slider--blue input[type=range]{background:linear-gradient(90deg,#2d4a3e,#2980b9)}.channel-slider--blue input[type=range]::-webkit-slider-thumb{background:#2980b9}.channel-slider--magenta input[type=range]{background:linear-gradient(90deg,#2d4a3e,#f0f)!important}.channel-slider--magenta input[type=range]::-webkit-slider-thumb{border-color:#fff;background:#f0f!important}.channel-slider--tint input[type=range]{background:linear-gradient(90deg,#2d4a3e,#8d6e63)}.channel-slider--tint input[type=range]::-webkit-slider-thumb{background:#8d6e63}.btn{border-radius:var(--radius-sm);cursor:pointer;border:none;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-size:12px;font-weight:500;transition:all .15s;display:inline-flex}.btn--primary{background:var(--color-primary);color:var(--color-text-white)}.btn--primary:hover{background:var(--color-primary-dark)}.btn--secondary{background:var(--color-bg-panel);color:var(--color-text);border:1px solid var(--color-border)}.btn--secondary:hover{background:var(--color-border-light)}.btn--full{width:100%}.btn--loading{opacity:.7;cursor:not-allowed}.portrait-editor{flex-direction:column;gap:12px;display:flex}.portrait-section{border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fff;padding:12px}.portrait-section__title{color:var(--color-text);margin-bottom:8px;font-size:12px;font-weight:600}.portrait-option{color:var(--color-text);cursor:pointer;align-items:center;gap:8px;margin-bottom:8px;font-size:12px;display:flex}.portrait-option:last-child{margin-bottom:0}.portrait-option input{cursor:pointer}.portrait-section--advanced summary{cursor:pointer;margin-bottom:0;list-style:none}.portrait-section--advanced summary::-webkit-details-marker{display:none}.portrait-section--advanced summary:after{content:"▾";float:right;color:var(--color-text-light);transition:transform .2s}.portrait-section--advanced[open] summary:after{transform:rotate(180deg)}.portrait-section--advanced .select-group{margin-top:10px}.portrait-actions{flex-direction:column;gap:8px;margin-top:4px;display:flex}.processing-overlay{z-index:200;background:#00000080;flex-direction:column;justify-content:center;align-items:center;gap:12px;animation:.2s fadeIn;display:flex;position:absolute;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.spinner{border:3px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:36px;height:36px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.processing-overlay__text{color:#fff;font-size:13px;font-weight:500}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}