:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#213547;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#f9f9f9;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@keyframes spin{to{transform:rotate(360deg)}}@keyframes loader-pulse{0%,to{transform:scale(1);opacity:.4}50%{transform:scale(1.15);opacity:1}}@keyframes loader-orbit{to{transform:rotate(360deg)}}@keyframes loader-dash{0%{stroke-dashoffset:150}50%{stroke-dashoffset:30;stroke-dasharray:90 150}to{stroke-dashoffset:150}}@keyframes loader-fade-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes toast-enter{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}@keyframes toast-exit{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(40px)}}@keyframes modal-enter{0%{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes modal-exit{0%{opacity:1;transform:scale(1) translateY(0)}to{opacity:0;transform:scale(.95) translateY(10px)}}@keyframes skeleton-shimmer{0%{opacity:.6}50%{opacity:1}to{opacity:.6}}@keyframes slide-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes hint-fade-out{0%{opacity:1}80%{opacity:1}to{opacity:0}}@keyframes indeterminate-progress{0%{left:-40%}to{left:100%}}:root{--color-primary: #2196f3;--color-primary-hover: #1976d2;--color-primary-light: #e3f2fd;--color-primary-dark: #1565c0;--color-background: #f8f9fa;--color-surface: #ffffff;--color-border: #e0e0e0;--color-border-light: #f0f0f0;--color-text-primary: #1a1a1a;--color-text-secondary: #666666;--color-text-tertiary: #999999;--color-text-inverse: #ffffff;--color-success: #4caf50;--color-success-light: #e8f5e9;--color-warning: #ff9800;--color-warning-light: #fff3e0;--color-error: #f44336;--color-error-light: #ffebee;--color-info: #2196f3;--color-info-light: #e3f2fd;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs: 12px;--font-size-sm: 14px;--font-size-md: 16px;--font-size-lg: 18px;--font-size-xl: 20px;--font-size-2xl: 24px;--font-size-3xl: 32px;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.2;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 1px 3px rgba(0, 0, 0, .08);--shadow-lg: 0 4px 6px rgba(0, 0, 0, .1);--shadow-xl: 0 8px 16px rgba(0, 0, 0, .12);--touch-target-min: 44px;--touch-target-comfortable: 48px;--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--z-dropdown: 100;--z-sticky: 200;--z-fixed: 300;--z-modal-backdrop: 400;--z-modal: 500;--z-popover: 600;--z-toast: 700;--color-accent: #e91e63;--color-accent-hover: #c2185b;--color-accent-light: #fce4ec;--animation-modal: modal-enter .25s ease;--header-height: 60px;--bottom-bar-height: 72px;--sidebar-width: 340px;--max-content-width: 1200px;--max-canvas-width: 600px}