:root{--primary-blue:#1e73be;--primary-dark:#135a9e;--primary-light:#4a90e2;--accent-blue:#00a8ff;--light-blue:#e6f3ff;--soft-blue:#f0f7ff;--white:#fff;--off-white:#fafcff;--gray-50:#f8fafd;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#64748b;--gray-600:#475569;--gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a;--success:#10b981;--warning:#f59e0b;--error:#ef4444;--shadow-sm:0 1px 2px 0 rgb(0 0 0/0.05);--shadow-md:0 4px 6px -1px rgb(0 0 0/0.1),0 2px 4px -2px rgb(0 0 0/0.1);--shadow-lg:0 10px 15px -3px rgb(0 0 0/0.1),0 4px 6px -4px rgb(0 0 0/0.1);--shadow-xl:0 20px 25px -5px rgb(0 0 0/0.1),0 8px 10px -6px rgb(0 0 0/0.1);--shadow-blue:0 10px 15px -3px rgba(30,115,190,.2),0 4px 6px -4px rgba(30,115,190,.1);--border-radius-sm:8px;--border-radius-md:12px;--border-radius-lg:16px;--border-radius-xl:24px;--border-radius-full:9999px;--transition-fast:.15s cubic-bezier(.4,0,.2,1);--transition-base:.25s cubic-bezier(.4,0,.2,1);--transition-slow:.35s cubic-bezier(.4,0,.2,1);--transition-bounce:.5s cubic-bezier(.68,-.55,.265,1.55)}*{margin:0;padding:0;box-sizing:border-box}.usa-travel-container{width:100%;max-width:100%;margin:0;padding:0;font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,sans-serif;background:linear-gradient(135deg,var(--off-white) 0%,var(--white) 100%);overflow-x:hidden}.travel-header{width:100%;margin:0;padding:40px 20px;background:linear-gradient(135deg,var(--primary-blue),var(--primary-dark),#0e3d6b);color:var(--white);border-radius:0;box-shadow:var(--shadow-xl);position:relative;overflow:hidden;animation:gradientShift 10s ease infinite;background-size:200% 200%}@keyframes gradientShift{0%{background-position:0 50%}50%{background-position:100% 50%}100%{background-position:0 50%}}.travel-header:before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><path d="M30 5 L55 30 L30 55 L5 30 L30 5" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></svg>');opacity:.3;animation:rotate 30s linear infinite}@keyframes rotate{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}.travel-header h1{font-size:2.2em;margin-bottom:15px;font-weight:800;letter-spacing:-.02em;text-shadow:2px 2px 4px rgba(0,0,0,.2);position:relative;animation:slideUp .8s ease-out;line-height:1.2;word-wrap:break-word}.travel-header p{font-size:1.1em;opacity:.95;font-weight:400;max-width:100%;margin:0;position:relative;animation:slideUp 1s ease-out;line-height:1.5}.travel-form-container{width:100%;background:var(--white);padding:25px 20px;box-shadow:var(--shadow-lg);margin:0;border-radius:0;border:none}.travel-form{display:flex;flex-direction:column;gap:20px;width:100%}.form-group{display:flex;flex-direction:column;width:100%;animation:fadeIn .5s ease-out;animation-fill-mode:both}.form-group:nth-child(1){animation-delay:.1s}.form-group:nth-child(2){animation-delay:.2s}.form-group:nth-child(3){animation-delay:.3s}.form-group:nth-child(4){animation-delay:.4s}.form-group:nth-child(5){animation-delay:.5s}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.form-group label{font-weight:600;margin-bottom:8px;color:var(--gray-700);font-size:1em;letter-spacing:.3px;display:flex;align-items:center;gap:8px}.form-group label i{color:var(--primary-blue);font-size:1.2em}.travel-select{width:100%;padding:14px 16px;border:2px solid var(--gray-200);border-radius:var(--border-radius-md);font-size:1em;transition:all var(--transition-base);background-color:var(--white);cursor:pointer;color:var(--gray-700);font-weight:500;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center;background-size:16px}.travel-select:hover{border-color:var(--primary-blue);background-color:var(--soft-blue)}.travel-select:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px rgba(30,115,190,.15)}.generate-btn{width:100%;background:linear-gradient(135deg,var(--primary-blue),var(--primary-dark),var(--primary-light));color:var(--white);border:none;padding:16px 20px;font-size:1.2em;font-weight:700;border-radius:var(--border-radius-full);cursor:pointer;transition:all var(--transition-bounce);box-shadow:var(--shadow-blue);margin:5px 0 0;letter-spacing:.5px;text-transform:uppercase;position:relative;overflow:hidden;z-index:1;animation:pulse 2s infinite}.generate-btn:before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .7s ease;z-index:-1}.generate-btn:hover{transform:translateY(-2px);box-shadow:0 20px 30px -10px rgba(30,115,190,.5);background:linear-gradient(135deg,var(--primary-light),var(--primary-blue),var(--primary-dark))}.generate-btn:hover:before{left:100%}.generate-btn:active{transform:translateY(0)}.generate-btn:disabled{opacity:.7;cursor:not-allowed;animation:none;background:linear-gradient(135deg,var(--gray-400),var(--gray-500))}@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(30,115,190,.4)}70%{box-shadow:0 0 0 10px rgba(30,115,190,0)}100%{box-shadow:0 0 0 0 rgba(30,115,190,0)}}.travel-loader{width:100%;text-align:center;padding:40px 20px;background:var(--white);margin:0}.spinner{width:50px;height:50px;border:4px solid var(--gray-200);border-top:4px solid var(--primary-blue);border-right:4px solid var(--primary-light);border-bottom:4px solid var(--primary-dark);border-radius:50%;animation:spin 1s cubic-bezier(.68,-.55,.265,1.55) infinite;margin:0 auto 15px}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.travel-loader p{color:var(--gray-600);font-size:1.1em;font-weight:500;animation:pulse 1.5s ease-in-out infinite}.travel-results{width:100%;margin:0;padding:0}.itinerary-card{width:100%;background:var(--white);box-shadow:var(--shadow-xl);overflow:hidden;animation:slideIn .6s cubic-bezier(.68,-.55,.265,1.55);border:none;border-radius:0}@keyframes slideIn{0%{opacity:0;transform:translateY(30px)}100%{opacity:1;transform:translateY(0)}}.itinerary-header{width:100%;background:linear-gradient(135deg,var(--primary-blue),var(--primary-dark));color:var(--white);padding:25px 20px;position:relative;overflow:hidden}.itinerary-header:after{content:'';position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:rotate 30s linear infinite}.itinerary-header h2{font-size:1.8em;margin-bottom:15px;font-weight:800;letter-spacing:-.02em;text-shadow:2px 2px 4px rgba(0,0,0,.2);position:relative;z-index:1;line-height:1.2;word-wrap:break-word}.trip-details{display:flex;flex-direction:column;gap:10px;position:relative;z-index:1}.badge{width:100%;background:rgba(255,255,255,.15);padding:10px 15px;border-radius:var(--border-radius-full);font-size:.9em;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);font-weight:500;letter-spacing:.3px;transition:var(--transition-fast);animation:slideUp .5s ease-out;animation-fill-mode:both;text-align:center}.badge:nth-child(1){animation-delay:.2s}.badge:nth-child(2){animation-delay:.3s}.badge:nth-child(3){animation-delay:.4s}@keyframes slideUp{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.itinerary-content{width:100%;padding:20px;background:linear-gradient(135deg,var(--white),var(--soft-blue))}.section{width:100%;margin-bottom:25px;padding:20px;background:var(--white);box-shadow:var(--shadow-md);border-left:4px solid var(--primary-blue);transition:var(--transition-base);animation:fadeInScale .5s ease-out;animation-fill-mode:both;border-radius:0}.section:hover{box-shadow:var(--shadow-lg)}@keyframes fadeInScale{from{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.section:nth-child(1){animation-delay:.1s}.section:nth-child(2){animation-delay:.2s}.section:nth-child(3){animation-delay:.3s}.section:nth-child(4){animation-delay:.4s}.section:nth-child(5){animation-delay:.5s}.section:nth-child(6){animation-delay:.6s}.section h3{color:var(--gray-800);margin-bottom:15px;font-size:1.3em;font-weight:700;display:flex;align-items:center;gap:8px;border-bottom:2px solid var(--light-blue);padding-bottom:8px;letter-spacing:-.01em;word-wrap:break-word}.section h3 i{color:var(--primary-blue);font-size:1.2em}.day-plan-grid{display:flex;flex-direction:column;gap:20px;width:100%}.day-card{width:100%;background:linear-gradient(135deg,var(--white),var(--soft-blue));padding:20px;box-shadow:var(--shadow-md);transition:all var(--transition-base);border:1px solid var(--gray-200);position:relative;overflow:hidden;animation:fadeInUp .5s ease-out;animation-fill-mode:both;border-radius:0}.day-card:before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary-blue),var(--primary-light));transform:scaleX(0);transition:transform var(--transition-base)}.day-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-xl)}.day-card:hover:before{transform:scaleX(1)}.day-card h4{color:var(--primary-blue);margin-bottom:15px;font-size:1.2em;font-weight:700;display:flex;align-items:center;gap:8px}.day-card h4 i{font-size:1.1em}.day-card ul{list-style:none;padding:0;margin:0 0 15px}.day-card li{padding:8px 0 8px 20px;border-bottom:1px dashed var(--gray-200);color:var(--gray-700);position:relative;font-size:.95em;word-wrap:break-word}.day-card li:last-child{border-bottom:none}.day-card li:before{content:'✓';position:absolute;left:0;color:var(--primary-blue);font-weight:700}.meal-suggestion{width:100%;background:linear-gradient(135deg,var(--light-blue),var(--soft-blue));padding:12px;border-radius:var(--border-radius-md);font-size:.95em;color:var(--gray-800);margin:0;font-weight:500;border-left:3px solid var(--primary-blue);word-wrap:break-word}.grid-list{display:flex;flex-direction:column;gap:12px;width:100%}.list-item{width:100%;background:linear-gradient(135deg,var(--white),var(--soft-blue));padding:14px 16px;box-shadow:var(--shadow-sm);border-left:4px solid var(--primary-blue);transition:all var(--transition-base);color:var(--gray-700);font-weight:500;font-size:.95em;position:relative;overflow:hidden;animation:slideInRight .5s ease-out;animation-fill-mode:both;word-wrap:break-word;border-radius:0}@keyframes slideInRight{from{opacity:0;transform:translateX(-15px)}to{opacity:1;transform:translateX(0)}}.list-item:hover{transform:translateX(5px);box-shadow:var(--shadow-lg);border-left-color:var(--accent-blue);background:linear-gradient(135deg,var(--white),var(--light-blue))}.itinerary-actions{width:100%;padding:25px 20px;background:linear-gradient(135deg,var(--gray-50),var(--white));border-top:2px solid var(--gray-200)}.social-share{width:100%;margin-bottom:25px;text-align:center}.social-share h4{margin-bottom:15px;color:var(--gray-700);font-size:1.1em;font-weight:600}.share-buttons{display:flex;justify-content:center;gap:15px;flex-wrap:wrap}.share-btn{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--white);text-decoration:none;transition:all var(--transition-bounce);font-size:1.3em;position:relative;overflow:hidden;box-shadow:var(--shadow-md)}.share-btn:before{content:'';position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgba(255,255,255,.3);transform:translate(-50%,-50%);transition:width .6s,height .6s}.share-btn:hover:before{width:80px;height:80px}.share-btn.whatsapp{background:linear-gradient(135deg,#25d366,#128c7e)}.share-btn.facebook{background:linear-gradient(135deg,#1877f2,#0e5a9e)}.share-btn.twitter{background:linear-gradient(135deg,#000,#333)}.share-btn.telegram{background:linear-gradient(135deg,#08c,#069)}.share-btn.copy{background:linear-gradient(135deg,var(--gray-600),var(--gray-700))}.share-btn:hover{transform:translateY(-3px) scale(1.1);box-shadow:var(--shadow-xl)}.action-buttons{display:flex;flex-direction:column;gap:15px;width:100%}.regenerate-btn{width:100%;background:linear-gradient(135deg,var(--primary-blue),var(--primary-dark));color:var(--white);border:none;padding:14px 20px;border-radius:var(--border-radius-full);font-size:1.1em;font-weight:600;cursor:pointer;transition:all var(--transition-bounce);box-shadow:var(--shadow-blue);letter-spacing:.5px;position:relative;overflow:hidden}.regenerate-btn:before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .7s ease}.regenerate-btn:hover{transform:translateY(-2px);box-shadow:0 15px 25px -8px rgba(30,115,190,.5)}.regenerate-btn:hover:before{left:100%}.regenerate-btn:active{transform:translateY(0)}.download-dropdown{position:relative;width:100%}.download-btn{width:100%;background:linear-gradient(135deg,var(--success),#0d9488);color:var(--white);border:none;padding:14px 20px;border-radius:var(--border-radius-full);font-size:1.1em;font-weight:600;cursor:pointer;transition:all var(--transition-bounce);box-shadow:0 10px 15px -3px rgba(16,185,129,.3);position:relative;overflow:hidden}.download-btn:before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .7s ease}.download-btn:hover{transform:translateY(-2px);box-shadow:0 15px 25px -8px rgba(16,185,129,.5)}.download-btn:hover:before{left:100%}.dropdown-content{display:none;position:static;width:100%;background:linear-gradient(135deg,var(--white),var(--soft-blue));box-shadow:var(--shadow-md);border-radius:var(--border-radius-md);z-index:1000;margin-top:10px;border:1px solid var(--gray-200);animation:slideDown .3s ease-out}@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.dropdown-content a{color:var(--gray-700);padding:14px 16px;text-decoration:none;display:flex;align-items:center;justify-content:center;gap:8px;transition:all var(--transition-fast);border-bottom:1px solid var(--gray-200);font-weight:500}.dropdown-content a:last-child{border-bottom:none}.dropdown-content a:hover{background:linear-gradient(90deg,var(--light-blue),var(--soft-blue));color:var(--primary-blue)}.download-dropdown:hover .dropdown-content{display:block}.error-message{width:100%;background:linear-gradient(135deg,#fee2e2,#fecaca);color:#991b1b;padding:20px;text-align:center;border-left:6px solid var(--error);font-weight:500;font-size:1.1em;box-shadow:var(--shadow-lg);animation:shake .5s ease-out;margin:0;border-radius:0}@keyframes shake{0%,100%{transform:translateX(0)}10%,30%,50%,70%,90%{transform:translateX(-3px)}20%,40%,60%,80%{transform:translateX(3px)}}.select2-container{width:100% !important}.select2-container--default .select2-selection--single{height:50px;border:2px solid var(--gray-200);border-radius:var(--border-radius-md);transition:all var(--transition-base)}.select2-container--default .select2-selection--single .select2-selection__rendered{line-height:50px;padding-left:16px;color:var(--gray-700);font-weight:500;font-size:1em}.select2-container--default .select2-selection--single .select2-selection__arrow{height:48px;right:12px}.select2-dropdown{border:2px solid var(--gray-200);border-radius:var(--border-radius-md);box-shadow:var(--shadow-lg)}.select2-results__option{padding:12px 15px;transition:var(--transition-fast);font-size:.95em;word-wrap:break-word}.generate-btn.loading{position:relative;color:transparent}.generate-btn.loading:after{content:'';position:absolute;width:20px;height:20px;top:50%;left:50%;margin-left:-10px;margin-top:-10px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:var(--white);animation:spin .8s ease-in-out infinite}@media print{.travel-form-container,.itinerary-actions,.generate-btn,.travel-loader,.social-share,.action-buttons{display:none !important}.itinerary-card{box-shadow:none;border:1px solid var(--gray-300)}}html{scroll-behavior:smooth}*:focus-visible{outline:3px solid var(--primary-blue);outline-offset:2px}@media (min-width:768px){.travel-header{padding:60px 40px}.travel-header h1{font-size:3em}.travel-header p{font-size:1.3em}.travel-form-container{padding:40px}.travel-form{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}.generate-btn{grid-column:span 2}.itinerary-header{padding:35px}.itinerary-header h2{font-size:2.3em}.trip-details{flex-direction:row}.badge{width:auto}.itinerary-content{padding:30px}.day-plan-grid{display:grid;grid-template-columns:repeat(2,1fr)}.grid-list{display:grid;grid-template-columns:repeat(2,1fr)}.action-buttons{flex-direction:row;justify-content:center}.regenerate-btn,.download-dropdown{width:auto;min-width:250px}.download-btn{width:100%}.dropdown-content{position:absolute;width:220px;bottom:100%;left:50%;transform:translateX(-50%);margin-bottom:10px}.dropdown-content a{justify-content:flex-start}}@media (min-width:1024px){.travel-form{grid-template-columns:repeat(3,1fr)}.generate-btn{grid-column:span 3}.day-plan-grid{grid-template-columns:repeat(3,1fr)}.grid-list{grid-template-columns:repeat(3,1fr)}}@media (min-width:1280px){.travel-header{padding:70px 50px}.day-plan-grid{grid-template-columns:repeat(4,1fr)}.grid-list{grid-template-columns:repeat(4,1fr)}}