:root{--primary-green:#1e7d3d;--primary-green-light:#2ecc71;--primary-green-dark:#0c5e2d;--white:#fff;--light-sand:#f8f3e7;--text-dark:#333;--text-light:#666;--border-color:#e0e0e0;--shadow:0 4px 6px rgba(0,0,0,.1);--shadow-hover:0 8px 15px rgba(0,0,0,.15);--border-radius:12px;--transition:all .3s ease}.fkc-container{max-width:1200px;margin:0 auto;padding:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,sans-serif}.fkc-header{text-align:center;margin-bottom:30px}.fkc-header h2{color:var(--primary-green);font-size:2.2em;margin-bottom:10px;position:relative;display:inline-block}.fkc-header h2:after{content:'';position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,var(--primary-green),var(--primary-green-light));border-radius:2px}.fkc-header p{color:var(--text-light);font-size:1.1em}.fkc-card{background:var(--white);border-radius:var(--border-radius);box-shadow:var(--shadow);padding:30px;margin-bottom:30px;transition:var(--transition);border:1px solid var(--border-color)}.fkc-card:hover{box-shadow:var(--shadow-hover)}.fkc-form-group{margin-bottom:25px}.fkc-form-group label{display:block;margin-bottom:8px;color:var(--text-dark);font-weight:600;font-size:.95em}.fkc-form-group input,.fkc-form-group select{width:100%;padding:12px 15px;border:2px solid var(--border-color);border-radius:8px;font-size:1em;transition:var(--transition);background:var(--white)}.fkc-form-group input:focus,.fkc-form-group select:focus{outline:none;border-color:var(--primary-green);box-shadow:0 0 0 3px rgba(30,125,61,.1)}.fkc-form-group small{display:block;margin-top:5px;color:var(--text-light);font-size:.85em}.fkc-button{display:inline-block;padding:12px 30px;font-size:1.1em;font-weight:600;text-align:center;text-decoration:none;border:none;border-radius:8px;cursor:pointer;transition:var(--transition)}.fkc-button-primary{background:linear-gradient(135deg,var(--primary-green),var(--primary-green-dark));color:var(--white);width:100%}.fkc-button-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);background:linear-gradient(135deg,var(--primary-green-dark),var(--primary-green))}.fkc-button-secondary{background:var(--light-sand);color:var(--primary-green);border:1px solid var(--primary-green)}.fkc-button-secondary:hover{background:var(--primary-green);color:var(--white)}.fkc-result{background:var(--white);border-radius:var(--border-radius);padding:30px;margin-top:30px;box-shadow:var(--shadow);animation:slideIn .5s ease}@keyframes slideIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fkc-result-card{background:var(--light-sand);border-radius:var(--border-radius);padding:25px;margin-bottom:25px;border-left:4px solid var(--primary-green)}.fkc-result-header{color:var(--primary-green);font-size:1.5em;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid var(--border-color)}.fkc-result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:25px}.fkc-result-item{background:var(--white);padding:20px;border-radius:8px;text-align:center;box-shadow:0 2px 4px rgba(0,0,0,.05)}.fkc-result-item h4{color:var(--text-light);font-size:.95em;margin-bottom:10px}.fkc-result-item .amount{color:var(--primary-green);font-size:1.8em;font-weight:700}.fkc-guidelines{background:var(--white);padding:20px;border-radius:8px;margin-bottom:25px}.fkc-guidelines h4{color:var(--primary-green);margin-bottom:15px;font-size:1.2em}.fkc-guidelines ul{list-style:none;padding:0}.fkc-guidelines li{padding:10px 0;padding-left:25px;position:relative;color:var(--text-dark)}.fkc-guidelines li:before{content:'✓';color:var(--primary-green);position:absolute;left:0;font-weight:700}.fkc-references{background:var(--white);padding:20px;border-radius:8px;margin-bottom:25px}.fkc-references h4{color:var(--primary-green);margin-bottom:15px;font-size:1.2em}.fkc-references p{background:var(--light-sand);padding:12px;border-radius:6px;margin-bottom:8px;font-style:italic;color:var(--text-dark)}.fkc-social-share{display:flex;flex-wrap:wrap;gap:10px;margin:25px 0;justify-content:center}.fkc-social-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:6px;color:var(--white);text-decoration:none;transition:var(--transition);min-width:100px}.fkc-social-btn:hover{transform:translateY(-2px);filter:brightness(.9)}.fkc-social-btn.whatsapp{background:#25d366}.fkc-social-btn.facebook{background:#4267b2}.fkc-social-btn.twitter{background:#1da1f2}.fkc-social-btn.telegram{background:#08c}.fkc-social-btn.copy{background:var(--primary-green)}.fkc-action-buttons{display:flex;flex-wrap:wrap;gap:15px;justify-content:center;margin-top:25px}.fkc-action-btn{padding:12px 25px;border:none;border-radius:6px;font-size:1em;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:8px}.fkc-action-btn.pdf{background:#dc3545;color:var(--white)}.fkc-action-btn.text{background:var(--primary-green);color:var(--white)}.fkc-action-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}.fkc-loading{text-align:center;padding:30px}.fkc-spinner{display:inline-block;width:50px;height:50px;border:3px solid var(--light-sand);border-radius:50%;border-top-color:var(--primary-green);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.fkc-recalculate{text-align:center;margin-top:25px}@media (max-width:768px){.fkc-container{padding:15px}.fkc-card{padding:20px}.fkc-header h2{font-size:1.8em}.fkc-result-grid{grid-template-columns:1fr}.fkc-social-share{flex-direction:column}.fkc-social-btn{width:100%}.fkc-action-buttons{flex-direction:column}.fkc-action-btn{width:100%;justify-content:center}}.fkc-pattern{background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" opacity="0.05"><path d="M50 10 L60 40 L90 40 L65 60 L75 90 L50 70 L25 90 L35 60 L10 40 L40 40 Z" fill="%231e7d3d"/></svg>');background-repeat:repeat;border-radius:var(--border-radius)}.fkc-card:hover .fkc-result-item{transform:scale(1.02);transition:var(--transition)}.fkc-tooltip{position:relative}.fkc-tooltip:hover:after{content:attr(data-tooltip);position:absolute;bottom:100%;left:50%;transform:translateX(-50%);background:var(--text-dark);color:var(--white);padding:5px 10px;border-radius:4px;font-size:.85em;white-space:nowrap;z-index:1000}