:root{--color-primary-900: #1a3d2e;--color-primary-800: #22503b;--color-primary-700: #2a6349;--color-primary-600: #2d6a4f;--color-primary-500: #3a8463;--color-primary-400: #52a07c;--color-primary-300: #74ba99;--color-primary-200: #a8d5bc;--color-primary-100: #d4eade;--color-primary-50: #f0f8f4;--color-gray-900: #111827;--color-gray-800: #1f2937;--color-gray-700: #374151;--color-gray-600: #4b5563;--color-gray-500: #6b7280;--color-gray-400: #9ca3af;--color-gray-300: #d1d5db;--color-gray-200: #e5e7eb;--color-gray-100: #f3f4f6;--color-gray-50: #f9fafb;--color-white: #ffffff;--color-success-700: #15803d;--color-success-600: #16a34a;--color-success-100: #dcfce7;--color-success-50: #f0fdf4;--color-warning-700: #b45309;--color-warning-600: #d97706;--color-warning-100: #fef3c7;--color-warning-50: #fffbeb;--color-error-700: #b91c1c;--color-error-600: #dc2626;--color-error-100: #fee2e2;--color-error-50: #fef2f2;--color-info-700: #1d4ed8;--color-info-600: #2563eb;--color-info-100: #dbeafe;--color-info-50: #eff6ff;--color-bg-page: #f9fafb;--color-bg-surface: #ffffff;--color-bg-surface-2: #f3f4f6;--color-bg-overlay: rgba(17, 24, 39, .5);--color-border: #e5e7eb;--color-border-strong: #d1d5db;--color-text-primary: #111827;--color-text-secondary: #4b5563;--color-text-tertiary: #9ca3af;--color-text-inverse: #ffffff;--color-text-link: #2d6a4f;--color-text-link-hover:#22503b;--font-sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;--font-serif: "Lora", Georgia, serif;--font-mono: "IBM Plex Mono", "Courier New", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--leading-tight: 1.25;--leading-snug: 1.375;--leading-normal: 1.5;--leading-relaxed: 1.625;--weight-regular: 400;--weight-medium: 500;--weight-semibold:600;--weight-bold: 700;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-2xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -1px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -2px rgba(0, 0, 0, .04);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 10px 10px -5px rgba(0, 0, 0, .03);--sidebar-width: 240px;--topbar-height: 56px;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--z-base: 0;--z-sticky: 100;--z-overlay: 200;--z-modal: 300;--z-toast: 400}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-sans);font-size:var(--text-base);font-weight:var(--weight-regular);line-height:var(--leading-normal);color:var(--color-text-primary);background-color:var(--color-bg-page)}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);font-weight:var(--weight-semibold);line-height:var(--leading-tight);color:var(--color-text-primary)}h1{font-size:var(--text-3xl)}h2{font-size:var(--text-2xl)}h3{font-size:var(--text-xl)}h4{font-size:var(--text-lg)}h5{font-size:var(--text-base)}h6{font-size:var(--text-sm)}p{line-height:var(--leading-relaxed);color:var(--color-text-secondary)}a{color:var(--color-text-link);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-text-link-hover);text-decoration:underline}code,pre,kbd{font-family:var(--font-mono);font-size:.9em}input,select,textarea,button{font-family:inherit;font-size:inherit;line-height:inherit}button{cursor:pointer;border:none;background:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--color-gray-100)}::-webkit-scrollbar-thumb{background:var(--color-gray-300);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-gray-400)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.num-positive{color:var(--color-success-600)}.num-negative{color:var(--color-error-600)}.status-pill{display:inline-flex;align-items:center;padding:2px var(--space-2);border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:var(--weight-semibold)}.status-pill--draft{background:var(--color-gray-100);color:var(--color-gray-700)}.status-pill--sent,.status-pill--viewed{background:var(--color-info-100);color:var(--color-info-700)}.status-pill--partially_paid{background:var(--color-warning-100);color:var(--color-warning-700)}.status-pill--paid{background:var(--color-success-100);color:var(--color-success-700)}.status-pill--overdue{background:var(--color-error-100);color:var(--color-error-700)}.status-pill--voided{background:var(--color-gray-100);color:var(--color-text-tertiary)}