:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#eff6ff;--primary-focus:#2563eb33;--bg-main:#f8fafc;--bg-card:#fff;--bg-input:#fff;--bg-header:#ffffffd9;--text-main:#0f172a;--text-muted:#64748b;--text-inverse:#fff;--border-light:#e2e8f0;--border-focus:#94a3b8;--glass-bg:#ffffffd9;--glass-border:#ffffff4d;--success:#10b981;--danger:#ef4444;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-display:"Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000000d, 0 4px 6px -4px #0000000d;--shadow-card:0 4px 20px -2px #0f172a0d;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--transition-fast:.15s ease;--transition-normal:.25s 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#ff3d0066}.landing-btn-primary.lg{padding:1.125rem 2.25rem;font-size:1.125rem}.landing-btn-secondary{background:var(--bg-card);color:var(--text-main);border:1px solid var(--border-subtle);cursor:pointer;border-radius:.75rem;padding:.75rem 1.5rem;font-weight:600;transition:all .3s}.landing-btn-secondary:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.landing-hero{grid-template-columns:1.1fr .9fr;align-items:center;gap:4rem;max-width:1400px;margin:0 auto;padding:3rem 5% 6rem;display:grid}.hero-buttons{gap:1.5rem;margin-bottom:2.5rem;display:flex}.hero-content h1{letter-spacing:-3px;margin-bottom:1.5rem;font-size:4.5rem;font-weight:900;line-height:1.1}.gradient-text{background:linear-gradient(to right, var(--primary), #ff6b00);color:#0000;-webkit-background-clip:text;background-clip:text}.hero-badge{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:3rem;align-items:center;gap:.75rem;margin-bottom:2.5rem;padding:.6rem 1.25rem;font-size:.875rem;font-weight:600;display:inline-flex;box-shadow:0 4px 6px -1px #0000000d}.badge-dot{background:#10b981;border-radius:50%;width:8px;height:8px;animation:2s infinite pulse}@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.5)}to{opacity:1;transform:scale(1)}}.hero-content p{color:var(--text-muted);max-width:580px;margin-bottom:3rem;font-size:1.35rem;line-height:1.6}.hero-stats{align-items:center;gap:2rem;margin-top:4rem;display:flex}.stat-item{flex-direction:column;display:flex}.stat-item strong{font-size:1.75rem;font-weight:800}.stat-item span{color:var(--text-muted);font-size:.875rem}.stat-divider{background:var(--border-subtle);width:1px;height:40px}.hero-visual{position:relative}.mockup-container{z-index:1;position:relative}.hero-mockup{border:1px solid var(--border-subtle);border-radius:1.5rem;width:100%;height:auto;box-shadow:0 40px 100px -20px #0003}.floating-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);z-index:2;border-radius:1.25rem;align-items:center;gap:1rem;padding:1.25rem;animation:6s ease-in-out infinite float;display:flex;position:absolute;box-shadow:0 20px 40px #0000001a}.floating-card.c1{width:180px;top:10%;left:-20px}.floating-card.c2{width:160px;animation-delay:-3s;bottom:15%;right:-30px}.skeleton-line{background:#0000000d;border-radius:4px;height:8px;margin-bottom:6px}[data-theme=dark] .skeleton-line{background:#ffffff0d}.skeleton-line.sm{width:40px}.skeleton-line.md{width:80px}.skeleton-line.lg{width:120px}.skeleton-circle{background:#0000000d;border-radius:50%;width:32px;height:32px}[data-theme=dark] .skeleton-circle{background:#ffffff0d}@keyframes float{0%,to{transform:translateY(0)rotate(0)}50%{transform:translateY(-20px)rotate(2deg)}}.landing-features{background:var(--bg-card);padding:8rem 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p{color:var(--text-muted);font-size:1.05rem;line-height:1.6}.landing-contact{background:var(--bg-landing);padding:8rem 5%}.contact-container{grid-template-columns:1fr 1fr;align-items:center;gap:6rem;max-width:1200px;margin:0 auto;display:grid}.contact-info h2{letter-spacing:-2px;margin-bottom:2rem;font-size:3rem;font-weight:800;line-height:1.1}.contact-info p{color:var(--text-muted);margin-bottom:3rem;font-size:1.25rem}.contact-stats{gap:3rem;display:flex}.contact-stat{flex-direction:column;display:flex}.contact-stat strong{color:var(--primary);font-size:2rem;font-weight:800}.contact-stat span{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;font-size:.875rem;font-weight:600}.contact-form-wrapper{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:2.5rem;padding:3rem;box-shadow:0 40px 80px -20px #0000001a}.contact-form{flex-direction:column;gap:1.5rem;display:flex}.form-row{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.contact-form 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h3{color:var(--text-main);text-transform:uppercase;letter-spacing:.05em;margin-bottom:1.5rem;font-size:1rem;font-weight:700}.footer-links-group ul{flex-direction:column;gap:.75rem;list-style:none;display:flex}.footer-links-group a{color:var(--text-muted);font-size:.9375rem;text-decoration:none;transition:all .2s}.footer-links-group a:hover{color:var(--primary);padding-left:4px}.footer-bottom{border-top:1px solid var(--border-subtle);color:var(--text-muted);justify-content:space-between;align-items:center;padding-top:2rem;font-size:.875rem;display:flex}.footer-bottom-links{align-items:center;gap:1rem;display:flex}.dot{color:var(--border-subtle)}@media (width<=1024px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:3rem}}@media (width<=640px){.landing-footer{padding:3rem 0 2rem}.footer-grid{grid-template-columns:1fr;gap:2.5rem}.footer-bottom{text-align:center;flex-direction:column;gap:1rem}}.app-layout{flex-direction:column;min-height:100vh;display:flex}.app-header-brand{font-family:var(--font-display);color:var(--text-main);letter-spacing:-.02em;align-items:center;gap:.75rem;font-size:1.5rem;font-weight:700;line-height:1.2;display:flex}.app-header-brand img{object-fit:contain;width:32px;height:32px}.app-header-icon{color:var(--primary)}.header-actions{align-items:center;gap:1.5rem;display:flex}@media (width<=640px){.app-header{padding:.75rem 5%}.app-header-brand{white-space:nowrap;flex-shrink:0;gap:.4rem;font-size:1.1rem}.header-actions{gap:.15rem}.header-btn{padding:.35rem}.header-btn .btn-text{display:none}.settings-sidebar{top:65px}}.app-main{grid-template-columns:1fr 1fr;gap:3rem;width:100%;max-width:1600px;margin:0 auto;display:grid}@media (width<=1024px){.app-main{grid-template-columns:1fr}}.app-footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border-light);background-color:var(--bg-card);padding:1rem 2rem;font-size:.875rem}.app-footer a{font-weight:500}.card{background-color:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-normal);padding:2rem}.card:hover{box-shadow:var(--shadow-md)}.card-title{align-items:center;gap:.5rem;margin-bottom:1.5rem;font-size:1.25rem;display:flex}.btn{font-family:var(--font-sans);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:1px solid #0000;justify-content:center;align-items:center;gap:.5rem;padding:.625rem 1.25rem;font-size:.875rem;font-weight:500;display:inline-flex}.btn-primary{background-color:var(--primary);color:var(--text-inverse);box-shadow:0 2px 4px #2563eb33}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 6px #2563eb4d}.btn-secondary{background-color:var(--bg-card);color:var(--text-main);border-color:var(--border-light)}.btn-secondary:hover{background-color:var(--primary-light);border-color:var(--primary);color:var(--primary)}.btn-ghost{color:var(--text-muted);background-color:#0000}.btn-ghost:hover{background-color:var(--primary-light);color:var(--primary)}.btn-icon{padding:.5rem}.form-group{margin-bottom:1.25rem}.form-label{color:var(--text-main);margin-bottom:.5rem;font-size:.875rem;font-weight:500;display:block}.form-control{width:100%;font-family:var(--font-sans);color:var(--text-main);background-color:var(--bg-input);border:1px solid var(--border-light);border-radius:var(--radius-md);transition:all var(--transition-fast);padding:.625rem .875rem;font-size:.875rem}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-focus);outline:none}.form-control::placeholder{color:var(--text-muted)}textarea.form-control{resize:vertical;min-height:80px}.form-grid-2{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.form-range{width:100%;accent-color:var(--primary);background-color:var(--border-light);-webkit-appearance:none;border-radius:3px;outline:none;height:6px;margin-top:.5rem}.form-range::-webkit-slider-thumb{appearance:none;background:var(--primary);cursor:pointer;width:18px;height:18px;transition:transform var(--transition-fast);border-radius:50%}.form-range::-webkit-slider-thumb:hover{transform:scale(1.15)}.settings-sidebar{background-color:var(--bg-card);width:340px;box-shadow:4px 0 24px var(--shadow-card);z-index:50;transition:transform var(--transition-normal) cubic-bezier(.4, 0, .2, 1);flex-direction:column;padding:2rem;display:flex;position:fixed;top:77px;bottom:0;left:0;transform:translate(-100%)}.close-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;transition:transform .3s,background-color .2s,color .2s;display:flex}.close-btn:hover{background-color:var(--primary-light);color:var(--primary);transform:rotate(90deg)}.settings-sidebar.open{transform:translate(0)}.settings-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:40;opacity:0;pointer-events:none;transition:opacity var(--transition-normal) ease-in-out;background-color:#0009;position:fixed;inset:0}.settings-overlay.open{opacity:1;pointer-events:auto}.line-items{border-collapse:collapse;width:100%;margin-bottom:1.5rem}.line-items th{text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:1px solid var(--border-light);padding:.75rem .5rem;font-size:.75rem}.line-items td{border-bottom:1px solid var(--border-light);padding:.75rem .5rem}.line-item-input{width:100%;font-family:var(--font-sans);color:var(--text-main);border-radius:var(--radius-sm);background:0 0;border:none;padding:.25rem;font-size:.875rem}.line-item-input:focus{background-color:var(--primary-light);outline:none}.invoice-preview-wrapper{z-index:45;flex-direction:column;height:calc(100vh - 8rem);display:flex;position:sticky;top:6rem}.invoice-paper{--preview-font-size:14px;--preview-spacing:2.5rem;--bg-card:#fff;--text-main:#0f172a;--text-muted:#64748b;--border-light:#e2e8f0;--bg-main:#f8fafc;font-size:var(--preview-font-size);background-color:var(--bg-card);color:var(--text-main);border-radius:var(--radius-lg);border:1px solid var(--border-light);flex-direction:column;width:100%;height:100%;padding:3rem;display:flex;overflow-y:auto;box-shadow:0 10px 25px -5px #0000001a}.invoice-header{margin-bottom:var(--preview-spacing);padding-bottom:calc(var(--preview-spacing) * .8);border-bottom:2px solid var(--border-light);justify-content:space-between;align-items:flex-start;display:flex}.invoice-brand{font-family:var(--font-display);color:var(--primary);letter-spacing:-1px;font-size:2em;font-weight:700}.invoice-details{text-align:right}.invoice-title{font-family:var(--font-display);color:var(--text-main);text-transform:uppercase;letter-spacing:2px;margin-bottom:.5rem;font-size:2.5em;font-weight:600}.invoice-meta{color:var(--text-muted);font-size:.875em}.invoice-parties{margin-bottom:var(--preview-spacing);grid-template-columns:1fr 1fr;display:grid}.invoice-party-label{text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;margin-bottom:.5rem;font-size:.75em}.invoice-party-content{color:var(--text-main);white-space:pre-wrap;font-size:1em;line-height:1.6}.invoice-table{border-collapse:collapse;width:100%;margin-bottom:calc(var(--preview-spacing) * .8)}.invoice-table th{text-align:left;border-bottom:2px solid var(--text-main);color:var(--text-main);padding:1rem 0;font-size:.875em}.invoice-table th.text-right,.invoice-table td.text-right{text-align:right}.invoice-table td{border-bottom:1px solid var(--border-light);padding:1rem 0;font-size:.875em}.invoice-summary{width:300px;margin-left:auto}.invoice-summary-row{color:var(--text-main);justify-content:space-between;padding:.75rem 0;font-size:.875em;display:flex}.invoice-summary-row.total{border-top:2px solid var(--text-main);margin-top:.5rem;padding-top:1rem;font-size:1.25em;font-weight:700}.empty-state{color:var(--text-muted);font-style:italic}