:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}:root{--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--primary: #3b82f6;--primary-hover: #2563eb;--primary-glow: rgba(59, 130, 246, .25);--primary-subtle: rgba(59, 130, 246, .08);--danger-color: #ef4444;--danger-subtle: rgba(239, 68, 68, .08);--success: #10b981;--warning: #f59e0b;--bg-app: #f0f2f5;--bg-surface: #ffffff;--bg-surface-elevated: #ffffff;--bg-canvas: #e5e7eb;--bg-input: #ffffff;--bg-hover: rgba(0, 0, 0, .04);--text-primary: #111827;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--text-on-primary: #ffffff;--border: rgba(0, 0, 0, .08);--border-strong: rgba(0, 0, 0, .15);--divider: rgba(0, 0, 0, .06);--shadow-xs: 0 1px 2px rgba(0, 0, 0, .05);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08), 0 2px 4px rgba(0, 0, 0, .04);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .12), 0 4px 12px rgba(0, 0, 0, .06);--shadow-xl: 0 20px 60px rgba(0, 0, 0, .15), 0 8px 20px rgba(0, 0, 0, .08);--radius-xs: 4px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .3s cubic-bezier(.4, 0, .2, 1);--glass-bg: rgba(255, 255, 255, .8);--glass-border: rgba(255, 255, 255, .5);--glass-blur: blur(12px);--primary-color: var(--primary);--primary-hover-color: var(--primary-hover);--bg-color: var(--bg-app);--toolbar-bg: var(--bg-surface);--border-color: var(--border);--text-color: var(--text-primary);--text-muted: var(--text-secondary)}.dark-mode{--primary: #60a5fa;--primary-hover: #3b82f6;--primary-glow: rgba(96, 165, 250, 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h2{font-size:1rem;font-weight:600;margin:0;color:var(--text-primary)}.modal-close{width:30px;height:30px;border:none;border-radius:var(--radius-full);background:transparent;cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center;color:var(--text-tertiary);transition:all var(--transition-fast)}.modal-close:hover{background:var(--bg-hover);color:var(--text-primary)}.modal-body{padding:1.25rem;overflow-y:auto;flex:1}.modal-body label{display:block;margin-bottom:.65rem;font-size:.85rem;font-weight:500;color:var(--text-primary)}.modal-footer{display:flex;gap:.5rem;justify-content:flex-end;padding:.85rem 1.25rem;border-top:1px solid var(--divider)}.modal-actions{display:flex;gap:.5rem;justify-content:flex-end}.signature-pad-container{border:1px solid 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