*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-primary: #2563eb;--color-primary-h: #1d4ed8;--color-danger: #dc2626;--color-warning: #d97706;--color-success: #16a34a;--color-info: #0891b2;--color-text: #1e293b;--color-muted: #64748b;--color-danger-bg: #fef2f2;--color-success-bg: #f0fdf4;--color-info-bg: #eff6ff;--color-warning-bg: #fffbeb;--sidebar-w: 240px;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;color:var(--color-text);background:var(--color-bg)}body,#root{min-height:100vh}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;border-radius:var(--radius);font-size:.875rem;font-weight:500;padding:.45rem .9rem;transition:background .15s,opacity .15s}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-h)}.btn-secondary{background:var(--color-border);color:var(--color-text)}.btn-secondary:hover:not(:disabled){background:#cbd5e1}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-ghost{background:transparent;color:var(--color-primary)}.btn-ghost:hover{background:#eff6ff}input,select,textarea,.input{width:100%;padding:.45rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.875rem;background:var(--color-surface);color:var(--color-text);outline:none;transition:border-color .15s}input:focus,select:focus,textarea:focus,.input:focus{border-color:var(--color-primary)}label{display:block;font-size:.8125rem;font-weight:500;margin-bottom:.25rem;color:var(--color-muted)}.field{margin-bottom:1rem}.field-error{color:var(--color-danger);font-size:.75rem;margin-top:.25rem}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem}.badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.badge-blue{background:#dbeafe;color:#1d4ed8}.badge-green{background:#dcfce7;color:#15803d}.badge-yellow{background:#fef9c3;color:#a16207}.badge-red{background:#fee2e2;color:#b91c1c}.badge-gray{background:#f1f5f9;color:#475569}.spinner{width:24px;height:24px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.app-layout{display:flex;width:100%;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;padding:1.5rem 0;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto}.sidebar-logo{padding:0 1.25rem 1.5rem;font-size:1.125rem;font-weight:700;color:var(--color-primary)}.sidebar-logo span{font-weight:300;color:var(--color-muted)}.nav-link{display:flex;align-items:center;gap:.625rem;padding:.6rem 1.25rem;color:var(--color-muted);font-size:.875rem;font-weight:500;text-decoration:none;transition:background .15s,color .15s}.nav-link:hover,.nav-link.active{background:#eff6ff;color:var(--color-primary);text-decoration:none}.main-content{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{display:none;background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:.75rem 1rem;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.topbar-title{font-weight:700;color:var(--color-primary);font-size:1.05rem}.hamburger{background:transparent;padding:.25rem;font-size:1.3rem}.page{padding:1.5rem;max-width:1200px;width:100%;margin:0 auto}.page-title{font-size:1.375rem;font-weight:700;margin-bottom:1.25rem}.drawer-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:200}.drawer{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);background:var(--color-surface);z-index:201;transform:translate(-100%);transition:transform .25s ease;display:flex;flex-direction:column;padding:1.5rem 0;overflow-y:auto}.drawer.open{transform:translate(0)}@media (max-width: 768px){.sidebar{display:none}.topbar{display:flex}.drawer-overlay{display:block}}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem}@media (max-width: 600px){.grid-2,.grid-3{grid-template-columns:1fr}}.invoice-line-grid{display:grid;grid-template-columns:1fr 80px 110px 36px;gap:.5rem;margin-bottom:.75rem;align-items:end}.invoice-line-label{font-size:.8125rem;color:var(--color-muted)}@media (max-width: 600px){.invoice-line-grid{grid-template-columns:1fr;gap:.35rem;padding:.75rem;border:1px solid var(--color-border);border-radius:var(--radius);margin-bottom:1rem;align-items:stretch}.invoice-line-label{display:block!important}.invoice-line-remove{justify-self:flex-end}}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem;margin-bottom:1.5rem}.kpi-card{text-align:center}.kpi-value{font-size:2rem;font-weight:700;color:var(--color-primary)}.kpi-label{font-size:.8125rem;color:var(--color-muted);margin-top:.25rem}table{width:100%;border-collapse:collapse;font-size:.875rem}th{text-align:left;padding:.6rem .75rem;font-size:.75rem;font-weight:600;color:var(--color-muted);text-transform:uppercase;border-bottom:2px solid var(--color-border)}td{padding:.65rem .75rem;border-bottom:1px solid var(--color-border);vertical-align:top}tr:hover td{background:#f8fafc}.tabs{display:flex;border-bottom:2px solid var(--color-border);margin-bottom:1.5rem;flex-wrap:wrap}.tab-btn{background:transparent;border-radius:0;border-bottom:2px solid transparent;margin-bottom:-2px;padding:.6rem 1.1rem;color:var(--color-muted);font-weight:500}.tab-btn.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.empty-state{text-align:center;color:var(--color-muted);padding:3rem 1rem}.empty-state h3{margin-bottom:.5rem}.section-title{font-size:1rem;font-weight:600;margin-bottom:1rem}.section-title--tight{margin-bottom:.75rem}.form-error{color:var(--color-danger);font-size:.875rem;margin-top:.5rem}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem;flex-wrap:wrap;gap:.75rem}.action-row{display:flex;gap:.5rem;flex-wrap:wrap}.action-row--end{justify-content:flex-end}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.5rem .75rem;font-size:.875rem}.detail-label{display:block;color:var(--color-muted);font-size:.8rem}.banner-warning{background:#fffbeb;border:1px solid var(--color-warning);border-radius:var(--radius);padding:.75rem 1rem;margin-bottom:1rem;font-size:.875rem;color:#92400e;display:flex;align-items:center;flex-wrap:wrap;gap:.5rem}.search-bar{position:relative}.search-bar input{padding-left:2.25rem}.search-icon{position:absolute;left:.75rem;top:50%;transform:translateY(-50%);color:var(--color-muted);pointer-events:none}.avatar{width:36px;height:36px;border-radius:50%;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;flex-shrink:0}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.landing-header{position:sticky;top:0;z-index:300;background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:.875rem 1.5rem;display:flex;align-items:center;justify-content:space-between}.landing-header-logo{font-size:1.25rem;font-weight:700;color:var(--color-primary);text-decoration:none}.landing-header-logo span{font-weight:300;color:var(--color-muted)}.landing-header-actions{display:flex;gap:.625rem;align-items:center}@media (max-width: 480px){.landing-header{padding:.75rem 1rem}.landing-header-actions{gap:.375rem;flex-wrap:wrap;justify-content:flex-end}}.landing-hero{background:linear-gradient(135deg,var(--color-primary) 0%,#1d4ed8 100%);color:#fff;text-align:center;padding:5rem 1.5rem 4.5rem}.landing-hero h1{font-size:clamp(1.75rem,4vw,2.75rem);font-weight:800;line-height:1.2;margin-bottom:1.125rem}.landing-hero p{font-size:clamp(.9375rem,2vw,1.125rem);opacity:.88;max-width:640px;margin:0 auto 2rem;line-height:1.6}.landing-hero-actions{display:flex;gap:.875rem;justify-content:center;flex-wrap:wrap}.btn-hero-primary{background:#fff;color:var(--color-primary);font-weight:700;font-size:.9375rem;padding:.75rem 1.75rem;border-radius:var(--radius);transition:opacity .15s}.btn-hero-primary:hover{opacity:.9}.btn-hero-secondary{background:transparent;color:#fff;font-weight:600;font-size:.9375rem;padding:.75rem 1.75rem;border-radius:var(--radius);border:2px solid rgba(255,255,255,.55);transition:border-color .15s,background .15s}.btn-hero-secondary:hover{border-color:#fff;background:#ffffff14}.landing-section{padding:4.5rem 1.5rem;max-width:1200px;margin:0 auto;width:100%}.landing-section--alt{background:var(--color-bg)}.landing-section--alt>.landing-section{margin:0 auto}.landing-section-title{font-size:clamp(1.375rem,3vw,2rem);font-weight:700;text-align:center;color:var(--color-text);margin-bottom:.625rem}.section-subtitle{text-align:center;color:var(--color-muted);font-size:.9375rem;max-width:640px;margin:0 auto 2.5rem;line-height:1.6}.feature-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.625rem 1.375rem;display:flex;flex-direction:column;gap:.5rem}.feature-card-icon{font-size:1.875rem}.feature-card-title,.step-title{font-size:1rem;font-weight:700;color:var(--color-text)}.feature-card-desc,.step-desc{font-size:.875rem;color:var(--color-muted);line-height:1.55}.steps{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.5rem;margin-top:2.5rem}.step-card{text-align:center;display:flex;flex-direction:column;align-items:center;gap:.875rem}.step-number{width:48px;height:48px;border-radius:50%;background:var(--color-primary);color:#fff;font-size:1.25rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}@media (max-width: 640px){.steps{grid-template-columns:1fr}}.pricing-toggle{display:flex;justify-content:center;align-items:center;gap:.75rem;margin-bottom:2.5rem;font-size:.9375rem;color:var(--color-muted)}.pricing-toggle-btn{width:52px;height:28px;border-radius:999px;background:var(--color-border);border:none;position:relative;cursor:pointer;transition:background .2s;padding:0}.pricing-toggle-btn.active{background:var(--color-primary)}.pricing-toggle-btn:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px #0003}.pricing-toggle-btn.active:after{transform:translate(24px)}.pricing-save-badge{display:inline-block;background:#dcfce7;color:#15803d;font-size:.72rem;font-weight:700;padding:.15rem .5rem;border-radius:999px}.pricing-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;max-width:780px;margin:0 auto}@media (max-width: 640px){.pricing-grid{grid-template-columns:1fr}}.pricing-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.875rem 1.5rem;display:flex;flex-direction:column;gap:.875rem}.pricing-card--featured{border:2px solid var(--color-primary);box-shadow:0 4px 20px #2563eb26;position:relative}.pricing-card-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:var(--color-primary);color:#fff;font-size:.72rem;font-weight:700;padding:.2rem .75rem;border-radius:999px;white-space:nowrap}.pricing-card-name{font-size:1.125rem;font-weight:700;color:var(--color-text)}.pricing-card-price{display:flex;align-items:flex-end;gap:.25rem}.pricing-card-amount{font-size:2.25rem;font-weight:800;color:var(--color-primary)}.pricing-card-period{font-size:.875rem;color:var(--color-muted);margin-bottom:.375rem}.pricing-card-trial{font-size:.8125rem;color:#15803d;font-weight:600}.pricing-card-features{list-style:none;display:flex;flex-direction:column;gap:.5rem;margin:.25rem 0}.pricing-card-features li{font-size:.875rem;color:var(--color-text);display:flex;align-items:flex-start;gap:.5rem}.pricing-card-features li:before{content:"✓";color:var(--color-success);font-weight:700;flex-shrink:0}.pricing-card-cta{margin-top:auto}.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.25rem;margin-top:2.5rem}.trust-item{display:flex;flex-direction:column;align-items:center;text-align:center;gap:.625rem;padding:1.25rem 1rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius)}.trust-item-icon{font-size:1.75rem}.trust-item-title{font-size:.9375rem;font-weight:700;color:var(--color-text)}.trust-item-desc{font-size:.8125rem;color:var(--color-muted);line-height:1.5}.landing-cta{background:linear-gradient(135deg,var(--color-primary) 0%,#1d4ed8 100%);color:#fff;text-align:center;padding:4.5rem 1.5rem}.landing-cta h2{font-size:clamp(1.375rem,3vw,2rem);font-weight:800;margin-bottom:1rem}.landing-cta p{font-size:.9375rem;opacity:.88;max-width:560px;margin:0 auto 2rem;line-height:1.6}.landing-footer{background:var(--color-text);color:#ffffffb3;padding:2.5rem 1.5rem}.landing-footer-inner{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:1.25rem}.landing-footer-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:1rem}.landing-footer-logo{font-size:1.125rem;font-weight:700;color:#fff}.landing-footer-logo span{font-weight:300;color:#ffffff8c}.landing-footer-links{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem}.landing-footer-links a{color:#ffffffa6;font-size:.875rem;text-decoration:none;transition:color .15s}.landing-footer-links a:hover{color:#fff;text-decoration:none}.landing-footer-copy{font-size:.8125rem;color:#ffffff73;border-top:1px solid rgba(255,255,255,.1);padding-top:1.25rem}@media (max-width: 600px){.responsive-table thead,.letterhead-table thead{display:none}.responsive-table tr,.letterhead-table tr{display:block;border:1px solid var(--color-border);border-radius:var(--radius);margin-bottom:.75rem;padding:.5rem .75rem;background:var(--color-surface)}.responsive-table tr:last-child,.letterhead-table tr:last-child{margin-bottom:0}.responsive-table td,.letterhead-table td{display:flex;align-items:center;gap:.5rem;padding:.35rem 0;border-bottom:none;font-size:.875rem}.responsive-table td:before,.letterhead-table td:before{content:attr(data-label);font-size:.75rem;font-weight:600;color:var(--color-muted);text-transform:uppercase;min-width:84px;flex-shrink:0}.responsive-table td[data-label=""]:before,.letterhead-table td[data-label=""]:before{display:none}.responsive-table td[data-label=""],.letterhead-table td[data-label=""]{justify-content:flex-end;padding-top:.5rem}.responsive-table td .action-row{flex-wrap:wrap;justify-content:flex-end}}