:root{--bg-darkest: #1a1a1a;--bg-dark: #222222;--bg-medium: #2a2a2a;--bg-panel: #2d2d2d;--bg-panel-header: #333333;--bg-input: #1e1e1e;--bg-hover: #3a3a3a;--bg-active: #4a4a4a;--bg-selected: #1a5fb4;--bg-canvas-area: #404040;--border-dark: #1a1a1a;--border-medium: #3a3a3a;--border-light: #4a4a4a;--border-focus: #5294e2;--text-primary: #e0e0e0;--text-secondary: #a0a0a0;--text-muted: #707070;--text-bright: #ffffff;--text-accent: #5294e2;--accent-primary: #5294e2;--accent-hover: #6aabf5;--accent-active: #3d7bc7;--accent-danger: #e74c3c;--accent-success: #27ae60;--accent-warning: #f39c12;--menu-bar-height: 28px;--doc-tabs-height: 28px;--tools-panel-width: 42px;--right-panel-width: 240px;--properties-panel-height: 180px;--status-bar-height: 22px;--ruler-size: 20px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs: 10px;--font-size-sm: 11px;--font-size-base: 12px;--font-size-md: 13px;--font-size-lg: 14px;--space-xxs: 2px;--space-xs: 4px;--space-sm: 6px;--space-md: 8px;--space-lg: 12px;--space-xl: 16px;--space-xxl: 24px;--shadow-panel: 0 2px 8px rgba(0,0,0,.4);--shadow-dropdown: 0 4px 16px rgba(0,0,0,.5);--shadow-dialog: 0 8px 32px rgba(0,0,0,.6);--transition-fast: .1s ease;--transition-normal: .2s ease;--radius-sm: 2px;--radius-md: 4px;--radius-lg: 6px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden;font-family:var(--font-family);font-size:var(--font-size-base);color:var(--text-primary);background:var(--bg-darkest);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;user-select:none;cursor:default}#app{display:flex;flex-direction:column;height:100vh;width:100vw}#menu-bar{height:var(--menu-bar-height);min-height:var(--menu-bar-height);background:var(--bg-dark);border-bottom:1px solid var(--border-dark);z-index:100}#doc-tabs-bar{height:var(--doc-tabs-height);min-height:var(--doc-tabs-height);background:var(--bg-darkest);border-bottom:1px solid var(--border-dark);display:flex;align-items:stretch;overflow-x:auto;overflow-y:hidden;z-index:90}#doc-tabs-bar::-webkit-scrollbar{height:0}.doc-tab{display:flex;align-items:center;gap:var(--space-xs);padding:0 var(--space-lg);background:var(--bg-dark);border-right:1px solid var(--border-dark);cursor:pointer;font-size:var(--font-size-sm);color:var(--text-secondary);white-space:nowrap;min-width:0;max-width:180px;transition:background var(--transition-fast),color var(--transition-fast);position:relative}.doc-tab:hover{background:var(--bg-medium);color:var(--text-primary)}.doc-tab.active{background:var(--bg-panel);color:var(--text-bright);border-bottom:2px solid var(--accent-primary)}.doc-tab-name{overflow:hidden;text-overflow:ellipsis}.doc-tab-close{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);font-size:14px;line-height:1;padding:0;flex-shrink:0}.doc-tab-close:hover{background:var(--accent-danger);color:var(--text-bright)}.doc-tab-add{display:flex;align-items:center;justify-content:center;width:28px;min-width:28px;background:transparent;border:none;border-right:1px solid var(--border-dark);color:var(--text-muted);cursor:pointer;font-size:16px}.doc-tab-dirty{width:6px;height:6px;border-radius:50%;background:var(--text-muted);flex-shrink:0}.doc-tab.active .doc-tab-dirty{background:var(--accent-primary)}.doc-tab-add:hover{color:var(--text-primary);background:var(--bg-hover)}#workspace{display:flex;flex:1;min-height:0;overflow:hidden}#tools-panel{width:var(--tools-panel-width);min-width:var(--tools-panel-width);background:var(--bg-panel);border-right:1px solid var(--border-dark);z-index:50;overflow-y:auto;overflow-x:hidden}#tools-panel::-webkit-scrollbar{width:0}#canvas-area{flex:1;display:grid;grid-template-columns:var(--ruler-size) 1fr;grid-template-rows:var(--ruler-size) 1fr var(--status-bar-height);grid-template-areas:"corner  rulerh" "rulerv  viewport" "status  status";background:var(--bg-canvas-area);min-width:0;position:relative;overflow:hidden}#canvas-area.rulers-hidden{grid-template-columns:0 1fr;grid-template-rows:0 1fr var(--status-bar-height)}#canvas-area.rulers-hidden #ruler-corner,#canvas-area.rulers-hidden #ruler-horizontal,#canvas-area.rulers-hidden #ruler-vertical{display:none}#ruler-corner{grid-area:corner;background:var(--bg-dark);border-right:1px solid var(--border-dark);border-bottom:1px solid var(--border-dark)}#ruler-horizontal{grid-area:rulerh;background:var(--bg-dark);border-bottom:1px solid var(--border-dark);overflow:hidden;position:relative;cursor:pointer}#ruler-vertical{grid-area:rulerv;background:var(--bg-dark);border-right:1px solid var(--border-dark);overflow:hidden;position:relative;cursor:pointer}.ruler-canvas{position:absolute;top:0;left:0}#canvas-viewport{grid-area:viewport;position:relative;overflow:hidden}#canvas-container{position:absolute;inset:0;overflow:hidden;cursor:crosshair}#main-canvas,#overlay-canvas{position:absolute;top:0;left:0}#overlay-canvas{pointer-events:none;z-index:10}.guide{position:absolute;z-index:5;pointer-events:none}.guide-h{left:0;right:0;height:1px;background:#0ff;cursor:ns-resize;pointer-events:auto}.guide-v{top:0;bottom:0;width:1px;background:#0ff;cursor:ew-resize;pointer-events:auto}.guide-drag-preview{position:fixed;z-index:9999;opacity:.6}.guide-drag-preview.guide-h{left:0;right:0;height:1px;background:#0ff}.guide-drag-preview.guide-v{top:0;bottom:0;width:1px;background:#0ff}#canvas-status-bar{grid-area:status;height:var(--status-bar-height);min-height:var(--status-bar-height);background:var(--bg-dark);border-top:1px solid var(--border-dark);display:flex;align-items:center;padding:0 var(--space-md);gap:var(--space-xl);font-size:var(--font-size-xs);color:var(--text-secondary)}#canvas-status-bar span{white-space:nowrap}#status-zoom{cursor:pointer;padding:2px 6px;border-radius:3px}#status-zoom:hover{background:var(--bg-hover);color:var(--text-bright)}.zoom-popup{position:absolute;background:var(--bg-panel);border:1px solid var(--border-dark);border-radius:4px;box-shadow:0 4px 16px #00000080;padding:4px 0;z-index:10000;min-width:140px}.zoom-popup-item{padding:5px 16px;font-size:12px;color:var(--text-secondary);cursor:pointer;white-space:nowrap}.zoom-popup-item:hover{background:var(--accent);color:#fff}.zoom-popup-sep{height:1px;background:var(--border-dark);margin:3px 0}.context-menu{position:absolute;background:var(--bg-panel);border:1px solid var(--border-dark);border-radius:4px;box-shadow:0 4px 20px #0000008c;padding:4px 0;z-index:10001;min-width:160px}.context-menu-item{padding:5px 16px;font-size:12px;color:var(--text-secondary);cursor:pointer;white-space:nowrap;display:flex;justify-content:space-between;gap:24px}.context-menu-item:hover{background:var(--accent);color:#fff}.context-menu-item.disabled{color:var(--text-muted);pointer-events:none}.context-menu-item .shortcut{color:var(--text-muted);font-size:11px}.context-menu-item:hover .shortcut{color:#ffffffb3}.context-menu-sep{height:1px;background:var(--border-dark);margin:3px 0}#right-panels{width:var(--right-panel-width);min-width:var(--right-panel-width);background:var(--bg-panel);border-left:1px solid var(--border-dark);display:flex;flex-direction:column;z-index:50;overflow:hidden}#layers-panel{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}#pages-panel{height:120px;min-height:120px;border-top:1px solid var(--border-dark);display:flex;flex-direction:column;overflow:hidden}#properties-panel{height:var(--properties-panel-height);min-height:var(--properties-panel-height);background:var(--bg-panel);border-top:1px solid var(--border-dark);z-index:50;overflow:hidden}.hidden{display:none!important}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.panel-header{display:flex;align-items:center;justify-content:space-between;height:24px;min-height:24px;padding:0 var(--space-md);background:var(--bg-panel-header);border-bottom:1px solid var(--border-dark);font-size:var(--font-size-sm);font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.panel-header-actions{display:flex;gap:var(--space-xxs)}.panel-body{flex:1;overflow-y:auto;overflow-x:hidden}.panel-body::-webkit-scrollbar{width:6px}.panel-body::-webkit-scrollbar-track{background:transparent}.panel-body::-webkit-scrollbar-thumb{background:var(--border-medium);border-radius:3px}.panel-body::-webkit-scrollbar-thumb:hover{background:var(--border-light)}.panel-footer{display:flex;align-items:center;gap:var(--space-xxs);padding:var(--space-xs) var(--space-md);border-top:1px solid var(--border-dark);background:var(--bg-panel)}.fw-input{background:var(--bg-input);border:1px solid var(--border-medium);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-family);font-size:var(--font-size-sm);padding:2px 4px;outline:none;transition:border-color var(--transition-fast);width:100%}.fw-input:focus{border-color:var(--border-focus)}input[type=number]::-webkit-inner-spin-button{opacity:0;cursor:ns-resize;background:transparent}input[type=number]{-moz-appearance:textfield}.fw-input-sm{width:48px;text-align:center;padding:1px 2px}.fw-input-md{width:64px}.fw-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--bg-input);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23999'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 6px center;border:1px solid var(--border-medium);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-family);font-size:var(--font-size-sm);padding:2px 20px 2px 4px;outline:none;cursor:pointer;transition:border-color var(--transition-fast)}.fw-select:focus{border-color:var(--border-focus)}.fw-dialog-row select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23999'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 6px center;padding-right:20px}.fw-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--bg-medium);border:1px solid var(--border-medium);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-family);font-size:var(--font-size-sm);padding:3px 10px;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.fw-btn:hover{background:var(--bg-hover);border-color:var(--border-light)}.fw-btn:active{background:var(--bg-active)}.fw-btn-primary{background:var(--accent-primary);border-color:var(--accent-primary);color:var(--text-bright)}.fw-btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.fw-btn-primary:active{background:var(--accent-active)}.fw-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);padding:0}.fw-icon-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.fw-icon-btn:active{background:var(--bg-active)}.fw-icon-btn svg{width:14px;height:14px}.fw-icon-btn.active,.props-biu-toggle.active{background:var(--accent-primary);color:var(--text-bright)}.props-biu-toggle{border:1px solid var(--border-medium);border-radius:var(--radius-sm);font-family:var(--font-family)}.fw-prop-row{display:flex;align-items:center;gap:var(--space-xs);padding:var(--space-xxs) 0}.fw-prop-label{font-size:var(--font-size-xs);color:var(--text-secondary);min-width:18px;text-align:right;flex-shrink:0}.fw-color-swatch{width:20px;height:20px;border:1px solid var(--border-medium);border-radius:var(--radius-sm);cursor:pointer;position:relative;flex-shrink:0;transition:border-color var(--transition-fast)}.fw-color-swatch:hover{border-color:var(--border-light)}.fw-color-swatch-inner{width:100%;height:100%;border-radius:inherit}.fw-color-swatch-transparent{background-image:linear-gradient(45deg,#808080 25%,transparent 25%),linear-gradient(-45deg,#808080 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#808080 75%),linear-gradient(-45deg,transparent 75%,#808080 75%);background-size:8px 8px;background-position:0 0,0 4px,4px -4px,-4px 0}.fw-separator{height:1px;background:var(--border-dark);margin:var(--space-xs) 0}.fw-separator-v{width:1px;height:16px;background:var(--border-dark);margin:0 var(--space-xs);flex-shrink:0}#dialog-overlay{position:fixed;inset:0;background:transparent;z-index:1000;display:flex;align-items:center;justify-content:center;pointer-events:none}#dialog-overlay>*{pointer-events:auto}[data-tooltip]{position:relative}[data-tooltip]:after{content:attr(data-tooltip);position:absolute;left:calc(100% + 8px);top:50%;transform:translateY(-50%);background:var(--bg-darkest);color:var(--text-primary);font-size:var(--font-size-xs);padding:3px 8px;border-radius:var(--radius-sm);white-space:nowrap;pointer-events:none;opacity:0;transition:opacity var(--transition-normal);z-index:200;box-shadow:var(--shadow-dropdown);border:1px solid var(--border-medium)}[data-tooltip]:hover:after{opacity:1}.fw-slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:4px;background:var(--bg-input);border-radius:2px;border:none;outline:none;cursor:pointer}.fw-slider::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;background:var(--text-primary);border:none;border-radius:50%;cursor:pointer;transition:background var(--transition-fast)}.fw-slider::-webkit-slider-thumb:hover{background:var(--text-bright)}.fw-slider::-moz-range-track{height:4px;background:var(--bg-input);border-radius:2px;border:none}.fw-slider::-moz-range-thumb{width:12px;height:12px;background:var(--text-primary);border:none;border-radius:50%;cursor:pointer}.fw-slider::-moz-range-thumb:hover{background:var(--text-bright)}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:4px;background:var(--bg-input);border-radius:2px;border:none;outline:none;cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;background:var(--text-primary);border:none;border-radius:50%;cursor:pointer}input[type=range]::-webkit-slider-thumb:hover{background:var(--text-bright)}input[type=range]::-moz-range-track{height:4px;background:var(--bg-input);border-radius:2px;border:none}input[type=range]::-moz-range-thumb{width:12px;height:12px;background:var(--text-primary);border:none;border-radius:50%;cursor:pointer}input[type=range]::-moz-range-thumb:hover{background:var(--text-bright)}.fw-checkbox{display:flex;align-items:center;gap:var(--space-xs);cursor:pointer;font-size:var(--font-size-sm);color:var(--text-secondary)}.fw-checkbox input[type=checkbox]{width:12px;height:12px;accent-color:var(--accent-primary);cursor:pointer}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.text-edit-overlay{position:absolute;z-index:100;border:1px solid var(--accent-primary);background:transparent;padding:0;margin:0;resize:none;outline:none;overflow:hidden;box-sizing:border-box;white-space:pre-wrap;word-wrap:break-word;cursor:text}.props-font-family{font-size:calc(var(--font-size-sm) * 1.2)!important}.props-font-family option{padding:2px 4px;font-size:calc(var(--font-size-sm) * 1.2)}#canvas-container.drop-highlight:after{content:"Drop Image Here";position:absolute;inset:0;background:#5294e226;border:3px dashed var(--accent-primary);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--accent-primary);font-weight:600;pointer-events:none;z-index:200;border-radius:4px}#doc-tabs-bar.drop-highlight{background:#5294e233;outline:2px dashed var(--accent-primary);outline-offset:-2px}.fw-dialog-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.fw-dialog-row label{color:var(--text-secondary);font-size:var(--font-size-sm);min-width:48px}.fw-dialog-footer{display:flex;justify-content:flex-end;gap:8px;padding-top:12px;border-top:1px solid var(--border-medium);margin-top:4px}.fw-btn{padding:4px 14px;border:1px solid var(--border-medium);border-radius:3px;background:var(--bg-medium);color:var(--text-primary);cursor:pointer;font-size:var(--font-size-sm);font-family:var(--font-family)}.fw-btn:hover{background:var(--bg-hover)}.fw-btn-primary{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff;font-weight:600}.fw-btn-primary:hover{background:var(--accent-hover)}