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(min-width:1024px){.nav-mobile{display:none!important}}.nav-mobile.open{max-height:600px;overflow-y:auto}.nav-menu-mobile{list-style:none;padding:16px;padding:var(--spacing-md)}.nav-item-mobile{margin-bottom:4px;margin-bottom:var(--spacing-xs)}.nav-link-mobile{align-items:center;background:#0000;border:none;border-radius:12px;border-radius:var(--radius-md);color:#374151;color:var(--gray-700);cursor:pointer;display:flex;font-size:1rem;font-weight:500;gap:8px;gap:var(--spacing-sm);justify-content:space-between;padding:16px;padding:var(--spacing-md);text-align:left;text-decoration:none;transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base);width:100%}.nav-link-mobile.active,.nav-link-mobile:hover{background:#f5f3ff;background:var(--primary-50);color:#5a67d8;color:var(--primary-600)}.nav-link-mobile.active{font-weight:600}.tools-header{cursor:pointer;-webkit-user-select:none;user-select:none}.mobile-tools-submenu{margin-bottom:8px;margin-bottom:var(--spacing-sm);margin-top:4px;margin-top:var(--spacing-xs);padding-left:32px;padding-left:var(--spacing-xl)}.submenu-item{font-size:.9375rem;padding:8px 16px;padding:var(--spacing-sm) var(--spacing-md)}.logout-btn-mobile{color:#ef4444;color:var(--error);margin-top:16px;margin-top:var(--spacing-md)}.logout-btn-mobile:hover{background:#fee2e2;background:var(--error-light);color:#dc2626}.error-message,.info-message,.success-message,.warning-message{align-items:center;animation:slideDown .3s ease-out;border-radius:12px;border-radius:var(--radius-md);display:flex;gap:8px;gap:var(--spacing-sm);margin-bottom:24px;margin-bottom:var(--spacing-lg);padding:16px 24px;padding:var(--spacing-md) var(--spacing-lg)}.error-message{background:#fee2e2;border-left:4px solid #ef4444;border-left:4px solid var(--error)}.success-message{background:#d1fae5;background:var(--success-light);border-left:4px solid #10b981;border-left:4px solid var(--success);color:#065f46}.warning-message{background:#fef3c7;background:var(--warning-light);border-left:4px solid #f59e0b;border-left:4px solid var(--warning);color:#92400e}.info-message{background:#dbeafe;border-left:4px solid #3b82f6;border-left:4px solid var(--info);color:#1e40af}.dashboard{grid-gap:24px;grid-gap:var(--spacing-lg);background:#f9fafb;background:var(--bg-secondary);display:grid;gap:24px;gap:var(--spacing-lg);grid-template-columns:280px 1fr;min-height:100vh}.dashboard-header{align-items:center;background:#fff;border-bottom:1px solid #e5e7eb;border-bottom:1px solid var(--divider);display:flex;grid-column:1/-1;justify-content:space-between;padding:24px;padding:var(--spacing-lg)}.dashboard-content{grid-column:2/-1;overflow-y:auto;padding:32px;padding:var(--spacing-xl)}.nav{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff2;border-bottom:1px solid #e5e7eb;border-bottom:1px solid var(--border-color);box-shadow:0 1px 3px #0000001a;box-shadow:var(--shadow-sm);padding:0 24px;padding:0 var(--spacing-lg);position:-webkit-sticky;position:sticky;top:0;z-index:100}.nav-content{justify-content:space-between;margin:0 auto;max-width:1400px}.nav-brand,.nav-content{align-items:center;display:flex}.nav-brand{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#5a67d8,#667eea);background:linear-gradient(135deg,var(--primary-600),var(--primary-500));-webkit-background-clip:text;background-clip:text;color:#fff;font-size:1.5rem;font-weight:800;gap:16px;gap:var(--spacing-md)}.nav-links{display:flex;gap:24px;gap:var(--spacing-lg);list-style:none;margin:0;padding:0}.nav-link{border-radius:8px;border-radius:var(--radius-sm);color:#4b5563;color:var(--gray-600);font-weight:500;padding:8px 16px;padding:var(--spacing-sm) var(--spacing-md);position:relative;text-decoration:none;transition:all .15s cubic-bezier(.4,0,.2,1);transition:all var(--transition-fast)}.nav-link:after{background:#667eea;background:var(--primary-500);bottom:0;content:"";height:2px;left:50%;position:absolute;transform:translateX(-50%);transition:width .2s cubic-bezier(.4,0,.2,1);transition:width var(--transition-base);width:0}.nav-link:hover{background:#f5f3ff;background:var(--primary-50);color:#5a67d8;color:var(--primary-600)}.nav-link:hover:after{width:100%}.nav-link.active{background:#ede9fe;background:var(--primary-100);color:#5a67d8;color:var(--primary-600)}.nav-link.active:after{width:100%}.card{border:1px solid #f3f4f6;border:1px solid var(--border-light);box-shadow:0 1px 3px #0000001a;box-shadow:var(--shadow-sm);transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base)}.card:hover{box-shadow:0 4px 12px #0000001a;box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-header{border-bottom:2px solid #e5e7eb;border-bottom:2px solid var(--divider);color:#111827;color:var(--gray-900);font-size:1.25rem;font-weight:700;margin-bottom:24px;margin-bottom:var(--spacing-lg);padding-bottom:16px;padding-bottom:var(--spacing-md)}.card-body{color:#4b5563;color:var(--gray-600);line-height:1.7}.subscription-plans-container{width:100%}.billing-cycle-toggle{backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);background:#ffffffe0;border:1px solid #94a3b82e;border-radius:24px;box-shadow:0 18px 45px #0f172a14;display:inline-grid;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr));margin:0 auto 32px;margin:0 auto var(--spacing-xl);padding:10px}.billing-toggle-btn{align-items:flex-start;background:#0000;border:1px solid #0000;border-radius:18px;color:#4b5563;color:var(--gray-600);cursor:pointer;display:flex;flex-direction:column;gap:4px;justify-content:center;min-width:180px;padding:14px 18px;position:relative;transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base)}.billing-toggle-btn:after{background:linear-gradient(135deg,#667eea24,#764ba214);border-radius:inherit;content:"";inset:0;opacity:0;position:absolute;transition:opacity .2s cubic-bezier(.4,0,.2,1);transition:opacity var(--transition-base)}.billing-toggle-btn:hover{color:#1f2937;color:var(--gray-800);transform:translateY(-1px)}.billing-toggle-btn:hover:after{opacity:1}.billing-toggle-btn.active{background:linear-gradient(135deg,#667eea24,#764ba214);border-color:#667eea33;box-shadow:0 10px 25px #667eea1f;color:#111827;color:var(--gray-900)}.billing-toggle-btn.active.primary{background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 16px 35px #667eea47;color:#fff}.billing-toggle-btn.active.primary:after{display:none}.save-badge,.toggle-caption,.toggle-label{position:relative;z-index:1}.toggle-label{font-size:1rem;font-weight:800;letter-spacing:.01em}.toggle-caption{font-size:.8rem;opacity:.84}.save-badge{align-self:flex-start;background:#10b9811f;border-radius:999px;color:#047857;font-size:.75rem;font-weight:700;letter-spacing:.02em;margin-top:4px;padding:4px 10px}.billing-toggle-btn.active.primary .toggle-caption{opacity:.9}.billing-toggle-btn.active .save-badge{background:#ffffff29;color:inherit}.plans-grid{grid-gap:24px;grid-gap:var(--spacing-lg);align-items:stretch;display:grid;gap:24px;gap:var(--spacing-lg);grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin-top:32px;margin-top:var(--spacing-xl)}@media (min-width:1024px){.plans-grid{grid-template-columns:repeat(4,1fr)}.plans-grid .plan-card.featured{margin:-10px;transform:scale(1.05);z-index:10}.plans-grid .plan-card.featured:hover{transform:scale(1.08)}}.plan-card{background:#fff;border:2px solid #f3f4f6;border:2px solid var(--border-light);border-radius:16px;border-radius:var(--radius-lg);overflow:hidden;padding:32px;padding:var(--spacing-xl);text-align:center;transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base)}.plan-card:before{background:linear-gradient(135deg,#667eea,#764ba2);background:var(--bg-gradient);content:"";height:4px;left:0;position:absolute;right:0;top:0;transform:scaleX(0);transition:transform .3s cubic-bezier(.4,0,.2,1);transition:transform var(--transition-slow)}.plan-card:hover{border-color:#b468f8;border-color:var(--primary-300);box-shadow:0 8px 24px #00000026;box-shadow:var(--shadow-lg);transform:translateY(-8px)}.plan-card:hover:before{transform:scaleX(1)}.plan-name{color:#111827;color:var(--gray-900);font-size:1.5rem;font-weight:800;margin-bottom:16px;margin-bottom:var(--spacing-md)}.plan-price{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#5a67d8,#667eea);background:linear-gradient(135deg,var(--primary-600),var(--primary-500));-webkit-background-clip:text;background-clip:text;font-size:3rem;font-weight:900;margin:24px 0;margin:var(--spacing-lg) 0}.plan-limit{align-items:center;background:#f9fafb;background:var(--bg-secondary);border-radius:12px;border-radius:var(--radius-md);display:flex;font-size:.9rem;gap:8px;gap:var(--spacing-sm);justify-content:center;margin:16px 0;margin:var(--spacing-md) 0;padding:16px;padding:var(--spacing-md)}.plan-limit .limit-label{color:#4b5563;color:var(--gray-600);font-weight:600}.plan-limit .limit-value{color:#5a67d8;color:var(--primary-600);font-weight:700}.plan-features{list-style:none;margin:24px 0;margin:var(--spacing-lg) 0;padding:0;text-align:left}.plan-features li{color:#4b5563;color:var(--gray-600);padding:8px 0;padding:var(--spacing-sm) 0;padding-left:32px;padding-left:var(--spacing-xl);position:relative}.plan-features li:before{color:#10b981;color:var(--success);content:"✓";font-size:1.2rem;font-weight:900;left:0;position:absolute}.plan-button{background:linear-gradient(135deg,#667eea,#764ba2);background:var(--bg-gradient);border:none;border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 4px 12px #667eea4d;color:#fff;cursor:pointer;font-size:1.1rem;font-weight:700;margin-top:24px;margin-top:var(--spacing-lg);overflow:hidden;padding:16px 48px;padding:var(--spacing-md) var(--spacing-2xl);position:relative;transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base)}.plan-button:before{background:linear-gradient(90deg,#0000,#ffffff4d,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .5s;width:100%}.plan-button:after{background:radial-gradient(circle,#ffffff4d 0,#0000 60%);content:"";height:200%;left:-50%;pointer-events:none;position:absolute;top:-50%;transform:rotate(45deg);width:200%}.plan-button:hover{box-shadow:0 6px 20px #667eea66;transform:translateY(-2px)}.plan-button:hover:before{left:100%}.plan-button:active{box-shadow:0 2px 8px #667eea4d;transform:translateY(0)}.plan-button:disabled{box-shadow:0 2px 8px #0000001a;cursor:not-allowed;opacity:.6;transform:none}.plan-button:disabled:hover{transform:none}.plan-button:disabled:before{display:none}.plan-card.popular .subscribe-button{animation:pulse 2s infinite;background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 6px 20px #667eea80}.buy-now-button{border:none;border-radius:12px;border-radius:var(--radius-md);cursor:pointer;font-size:1rem;font-weight:700;letter-spacing:.5px;margin-bottom:16px;margin-bottom:var(--spacing-md);padding:14px 24px;text-transform:uppercase;transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base);width:100%}.buy-now-button:not(.popular):not(.highlighted){background:#f9fafb;background:var(--bg-secondary);border:2px solid #e5e7eb;border:2px solid var(--border-color);color:#374151;color:var(--gray-700)}.buy-now-button:not(.popular):not(.highlighted):hover{background:#f3f4f6;background:var(--gray-100);border-color:#9ca3af;border-color:var(--gray-400);box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.buy-now-button.highlighted,.buy-now-button.popular{animation:buyPulse 2s infinite;background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 4px 15px #667eea66;color:#fff}.buy-now-button.highlighted:hover,.buy-now-button.popular:hover{box-shadow:0 8px 25px #667eea80;transform:translateY(-3px)}.buy-now-button:disabled{animation:none;cursor:not-allowed;opacity:.6;transform:none!important}@keyframes buyPulse{0%,to{box-shadow:0 4px 15px #667eea66}50%{box-shadow:0 6px 25px #667eea99}}.plan-card.featured{background:linear-gradient(180deg,#667eea0d,#fff 50%);border-color:#667eea;border-color:var(--primary-500);border-width:3px;position:relative}.plan-card.featured:before{animation:gradientMove 3s linear infinite;background:linear-gradient(90deg,#667eea,#764ba2,#667eea);background-size:200% 100%;height:6px;transform:scaleX(1)}.plan-card.featured:after{border-radius:16px;border-radius:var(--radius-lg);bottom:0;box-shadow:0 0 30px #667eea33;content:"";left:0;pointer-events:none;position:absolute;right:0;top:0}@keyframes gradientMove{0%{background-position:0 50%}to{background-position:200% 50%}}.plan-card.featured .plan-name{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;font-size:1.75rem}.plan-card.featured .plan-price{font-size:3.5rem}.featured-badge{background:linear-gradient(135deg,#667eea,#764ba2);display:inline-block;margin-bottom:16px;margin-bottom:var(--spacing-md);padding:8px 20px}.featured-badge,.popular-badge,.popular-badge.featured-badge{animation:badgePulse 2s infinite;border-radius:20px;box-shadow:0 4px 12px #667eea66;color:#fff;font-size:.85rem;font-weight:700;letter-spacing:1px;text-transform:uppercase}.popular-badge,.popular-badge.featured-badge{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2)!important;display:inline-flex!important;gap:6px;justify-content:center;left:50%!important;min-width:-webkit-max-content;min-width:max-content;padding:10px 24px!important;position:absolute;top:12px!important;transform:translateX(-50%)!important;white-space:nowrap;z-index:10}@keyframes badgePulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.plan-card.featured{border-top:none;border-top-left-radius:0;border-top-right-radius:0}.plan-card{position:relative;z-index:1}.plan-card .popular-badge{padding:10px 24px;z-index:10}.plan-card .current-plan-badge,.plan-card .popular-badge{align-items:center;display:inline-flex;justify-content:center;left:50%;min-width:-webkit-max-content;min-width:max-content;position:absolute;top:12px;transform:translateX(-50%);white-space:nowrap}.plan-card .current-plan-badge{padding:6px 16px;z-index:11}.plan-card.popular:has(.current-plan-badge) .popular-badge{left:auto;right:12px;top:12px;transform:none}.plan-card.popular:has(.current-plan-badge) .current-plan-badge{left:12px;top:12px;transform:none}.plan-card.popular:not(:has(.current-plan-badge)) .popular-badge{left:50%!important;right:auto!important;transform:translateX(-50%)!important}.plan-card.popular:not(:has(.current-plan-badge)){padding-top:60px}.plan-card.popular:has(.current-plan-badge){padding-top:80px}.plan-card.featured{padding-top:60px}.plan-card .buy-now-button{margin-bottom:16px;margin-bottom:var(--spacing-md);position:relative;z-index:5}.plan-card .plan-features,.plan-card .plan-limit,.plan-card .plan-price,.plan-card h3{position:relative;z-index:1}@media (max-width:1024px){.dashboard{grid-template-columns:1fr}.dashboard-header{display:none}.nav-content{flex-wrap:wrap}.nav-links{-webkit-overflow-scrolling:touch;flex-wrap:nowrap;overflow-x:auto}}@media (max-width:768px){.container{padding:0 16px;padding:0 var(--spacing-md)}.plans-grid{grid-template-columns:1fr}.auth-card{margin:16px;margin:var(--spacing-md);padding:32px;padding:var(--spacing-xl)}.nav-brand{font-size:1.25rem}}@media (max-width:480px){:root{font-size:14px}.auth-card{border-radius:12px;border-radius:var(--radius-md);padding:24px;padding:var(--spacing-lg)}.form-group input,.form-group select,.form-group textarea{font-size:16px;padding:8px 16px;padding:var(--spacing-sm) var(--spacing-md)}button{min-height:44px}.plan-price{font-size:2.5rem}}@media (prefers-color-scheme:dark){:root{--bg-primary:#1f2937;--bg-secondary:#111827;--bg-tertiary:#0f172a;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827}body{background:#f9fafb;background:var(--bg-secondary);color:#e5e7eb;color:var(--gray-200)}.auth-card,.card{background:#fff;background:var(--bg-primary);border-color:#374151;border-color:var(--gray-700)}.form-group input,.form-group select,.form-group textarea{background:#f3f4f6;background:var(--bg-tertiary);border-color:#374151;border-color:var(--gray-700);color:#e5e7eb;color:var(--gray-200)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{background:#f9fafb;background:var(--bg-secondary);border-color:#667eea;border-color:var(--primary-500)}.plan-card{background:#fff;background:var(--bg-primary);border-color:#374151;border-color:var(--gray-700)}}@media print{.dashboard-header,.nav{display:none}.dashboard{display:block}.card{border:1px solid #ddd;box-shadow:none}}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-0{margin-top:0}.mt-sm{margin-top:8px;margin-top:var(--spacing-sm)}.mt-md{margin-top:16px;margin-top:var(--spacing-md)}.mt-lg{margin-top:24px;margin-top:var(--spacing-lg)}.mt-xl{margin-top:32px;margin-top:var(--spacing-xl)}.mb-0{margin-bottom:0}.mb-sm{margin-bottom:8px;margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:16px;margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:24px;margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:32px;margin-bottom:var(--spacing-xl)}.p-sm{padding:8px;padding:var(--spacing-sm)}.p-md{padding:16px;padding:var(--spacing-md)}.p-lg{padding:24px;padding:var(--spacing-lg)}.p-xl{padding:32px;padding:var(--spacing-xl)}.flex{display:flex}.flex-col{flex-direction:column}.flex-center{align-items:center;display:flex;justify-content:center}.flex-between{display:flex;justify-content:space-between}.flex-wrap{flex-wrap:wrap}.gap-sm{gap:8px;gap:var(--spacing-sm)}.gap-md{gap:16px;gap:var(--spacing-md)}.gap-lg{gap:24px;gap:var(--spacing-lg)}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.hidden{display:none}.sr-only{clip:rect(0,0,0,0);border-width:0;height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;white-space:nowrap;width:1px}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:#f9fafb;background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:#9ca3af;background:var(--gray-400);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#6b7280;background:var(--gray-500)}*{scrollbar-color:#9ca3af #f9fafb;scrollbar-color:var(--gray-400) var(--bg-secondary);scrollbar-width:thin}::selection{background:#667eea;background:var(--primary-500);color:#fff}:focus-visible{outline:2px solid #667eea;outline:2px solid var(--primary-500);outline-offset:2px}.ai-tool-page{background:#f9fafb;background:var(--bg-secondary);min-height:calc(100vh - 70px);padding:32px 16px;padding:var(--spacing-xl) var(--spacing-md)}.tool-header{margin:0 auto 32px;margin:0 auto var(--spacing-xl);max-width:1200px}.tool-header h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);background:var(--bg-gradient);-webkit-background-clip:text;background-clip:text;color:#111827;color:var(--gray-900);display:block;font-size:2rem;margin-bottom:4px;margin-bottom:var(--spacing-xs);width:100%}.tool-description{color:#4b5563;color:var(--gray-600);display:block;font-size:1.0625rem;margin:16px auto 0;margin:var(--spacing-md) auto 0;max-width:600px}.back-button{align-items:center;background:#fff;background:var(--bg-primary);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:12px;border-radius:var(--radius-md);color:#374151;color:var(--gray-700);cursor:pointer;display:inline-flex;font-size:.9375rem;font-weight:500;gap:4px;gap:var(--spacing-xs);margin-bottom:24px;margin-bottom:var(--spacing-lg);padding:8px 16px;padding:var(--spacing-sm) var(--spacing-md);transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base)}.back-button:hover{background:#f5f3ff;background:var(--primary-50);border-color:#b468f8;border-color:var(--primary-300);color:#5a67d8;color:var(--primary-600)}.tool-main{display:flex;flex-direction:column;gap:32px;gap:var(--spacing-xl)}.history-section,.input-section,.result-section{animation:slideUp .4s ease-out}.card{background:var(--bg-primary);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:0 4px 12px #0000001a;box-shadow:var(--shadow-md);padding:32px;padding:var(--spacing-xl)}.card h3{color:#111827;color:var(--gray-900);font-size:1.25rem}.card h3,.form-group{margin-bottom:24px;margin-bottom:var(--spacing-lg)}.form-group label{font-size:.9375rem;margin-bottom:8px;margin-bottom:var(--spacing-sm)}.form-group label,.text-area{color:#374151;color:var(--gray-700)}.text-area{background:#fff;background:var(--bg-primary);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:12px;border-radius:var(--radius-md);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-family:var(--font-sans);font-size:1rem;line-height:1.6;padding:16px;padding:var(--spacing-md);transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base);width:100%}.text-area:focus{border-color:#667eea;border-color:var(--primary-500);box-shadow:0 0 0 3px #667eea1a;outline:none}.select-input{-webkit-appearance:none;appearance:none;background:#fff;background:var(--bg-primary);background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12'%3E%3Cpath fill='%236b7280' d='M6 9 1 4h10z'/%3E%3C/svg%3E");background-position:right 1rem center;background-repeat:no-repeat;border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:12px;border-radius:var(--radius-md);color:#374151;color:var(--gray-700);cursor:pointer;font-size:1rem;padding:16px;padding:var(--spacing-md);padding-right:48px;padding-right:var(--spacing-2xl);transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base);width:100%}.select-input:focus{border-color:#667eea;border-color:var(--primary-500);box-shadow:0 0 0 3px #667eea1a;outline:none}.primary-button,.secondary-button{border:none;border-radius:12px;border-radius:var(--radius-md);cursor:pointer;font-size:1rem;font-weight:600;overflow:hidden;padding:16px 32px;padding:var(--spacing-md) var(--spacing-xl);position:relative;transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base);width:100%}.primary-button{background:var(--bg-gradient);box-shadow:0 4px 12px #0000001a;box-shadow:var(--shadow-md)}.primary-button:hover:not(:disabled){box-shadow:0 8px 24px #00000026;box-shadow:var(--shadow-lg)}.primary-button:active:not(:disabled){transform:translateY(0)}.primary-button:disabled{opacity:.5}.secondary-button{background:var(--bg-primary);border:1px solid #e5e7eb;border:1px solid var(--border-color);color:#374151;color:var(--gray-700)}.secondary-button:hover{background:#f9fafb;background:var(--gray-50);border-color:#b468f8;border-color:var(--primary-300);color:#5a67d8;color:var(--primary-600)}.result-section{background:var(--bg-primary);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:0 4px 12px #0000001a;box-shadow:var(--shadow-md);padding:32px;padding:var(--spacing-xl)}.result-section h2{color:#111827;color:var(--gray-900);font-size:1.5rem;font-weight:600;margin-bottom:24px;margin-bottom:var(--spacing-lg)}.result-card{background:#f9fafb;background:var(--bg-secondary);border-radius:var(--radius-md);padding:24px;padding:var(--spacing-lg)}.result-item{align-items:center;border-bottom:1px solid #e5e7eb;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;padding:16px 0;padding:var(--spacing-md) 0}.result-item:last-child{border-bottom:none}.result-label{color:#4b5563;color:var(--gray-600);font-weight:500}.result-value{color:#111827;color:var(--gray-900);font-weight:600}.result-value.high{color:#ef4444;color:var(--error)}.result-value.medium{color:#f59e0b;color:var(--warning)}.result-value.low{color:#10b981;color:var(--success)}.result-comparison{grid-gap:24px;grid-gap:var(--spacing-lg);display:grid;gap:24px;gap:var(--spacing-lg);grid-template-columns:1fr 1fr;margin-bottom:24px;margin-bottom:var(--spacing-lg)}.comparison-box{background:#fff;background:var(--bg-primary);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:12px;border-radius:var(--radius-md);padding:24px;padding:var(--spacing-lg)}.comparison-box h4{color:#374151;color:var(--gray-700);font-size:1rem;font-weight:600;margin-bottom:16px;margin-bottom:var(--spacing-md)}.comparison-box p{color:#4b5563;color:var(--gray-600);line-height:1.6}.humanized-text{color:#5a67d8;color:var(--primary-600);font-weight:500}.result-stats{display:flex;gap:32px;gap:var(--spacing-xl)}.stat-item{display:flex;gap:8px;gap:var(--spacing-sm)}.stat-label{color:#4b5563;color:var(--gray-600);font-weight:500}.stat-value{color:#111827;color:var(--gray-900);font-weight:600}.history-section{background:#fff;background:var(--bg-primary);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 4px 12px #0000001a;box-shadow:var(--shadow-md);padding:32px;padding:var(--spacing-xl)}.history-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:24px;margin-bottom:var(--spacing-lg)}.history-header h3{color:#111827;color:var(--gray-900);font-size:1.25rem;font-weight:600}.history-list{display:flex;flex-direction:column;gap:16px;gap:var(--spacing-md)}.history-item{background:#f9fafb;background:var(--bg-secondary);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:12px;border-radius:var(--radius-md);padding:16px;padding:var(--spacing-md);transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base)}.history-item:hover{border-color:#b468f8;border-color:var(--primary-300);box-shadow:0 1px 3px #0000001a;box-shadow:var(--shadow-sm)}.history-item-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:8px;margin-bottom:var(--spacing-sm)}.history-date{color:#6b7280;color:var(--gray-500);font-size:.875rem}.history-mode{background:#f5f3ff;background:var(--primary-50);border-radius:8px;border-radius:var(--radius-sm);color:#5a67d8;color:var(--primary-600);font-size:.875rem;font-weight:500;padding:4px 8px;padding:var(--spacing-xs) var(--spacing-sm)}.delete-button{align-items:center;background:#0000;border:none;border-radius:8px;border-radius:var(--radius-sm);color:#9ca3af;color:var(--gray-400);cursor:pointer;display:flex;font-size:1.5rem;height:28px;justify-content:center;transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base);width:28px}.delete-button:hover{background:#fee2e2;background:var(--error-light);color:#ef4444;color:var(--error)}.history-item-content{color:#4b5563;color:var(--gray-600)}.history-text{font-size:.9375rem;line-height:1.6;margin-bottom:8px;margin-bottom:var(--spacing-sm)}.history-scores{display:flex;font-size:.875rem;gap:24px;gap:var(--spacing-lg)}.history-scores,.no-history{color:#6b7280;color:var(--gray-500)}.no-history{font-size:1rem;padding:48px;padding:var(--spacing-2xl);text-align:center}.tool-footer{border-top:1px solid #e5e7eb;border-top:1px solid var(--border-color);margin:32px auto 0;margin:var(--spacing-xl) auto 0;max-width:1200px;padding-top:24px;padding-top:var(--spacing-lg)}.footer-button{align-items:center;background:#fff;background:var(--bg-primary);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:12px;border-radius:var(--radius-md);color:#374151;color:var(--gray-700);display:inline-flex;font-weight:500;gap:8px;gap:var(--spacing-sm);justify-content:center;padding:16px 32px;padding:var(--spacing-md) var(--spacing-xl);transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base)}.footer-button:hover{background:#f5f3ff;background:var(--primary-50);border-color:#b468f8;border-color:var(--primary-300);color:#5a67d8;color:var(--primary-600)}@media (max-width:768px){.ai-tool-page{padding:24px 8px;padding:var(--spacing-lg) var(--spacing-sm)}.tool-header h1{font-size:1.5rem}.tool-description{font-size:.9375rem}.card,.history-section,.result-section{padding:24px;padding:var(--spacing-lg)}.result-comparison{grid-template-columns:1fr}.history-header,.history-scores,.result-stats{flex-direction:column;gap:8px;gap:var(--spacing-sm)}.history-header{align-items:flex-start}.history-header button{width:100%}}.dashboard-container{background:#f9fafb;background:var(--bg-secondary);min-height:calc(100vh - 70px)}.dashboard-content{max-width:1400px}.dashboard-content,.profile-page{margin:0 auto;padding:32px 16px;padding:var(--spacing-xl) var(--spacing-md)}.profile-page{max-width:800px}.profile-page h2{color:#111827;color:var(--gray-900);font-size:1.75rem;font-weight:700;margin-bottom:24px;margin-bottom:var(--spacing-lg)}.profile-view{background:#fff;background:var(--bg-primary);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 4px 12px #0000001a;box-shadow:var(--shadow-md);padding:32px;padding:var(--spacing-xl)}.profile-field{align-items:center;border-bottom:1px solid #e5e7eb;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;padding:16px 0;padding:var(--spacing-md) 0}.profile-field:last-child{border-bottom:none}.profile-field strong{color:#4b5563;color:var(--gray-600);font-weight:500;min-width:150px}.profile-view button{background:var(--primary-color);border:none;border-radius:12px;border-radius:var(--radius-md);color:#fff;cursor:pointer;font-weight:500;margin-top:24px;margin-top:var(--spacing-lg);padding:8px 24px;padding:var(--spacing-sm) var(--spacing-lg);transition:background .2s cubic-bezier(.4,0,.2,1);transition:background var(--transition-base)}.profile-view button:hover{background:var(--primary-dark)}.profile-page form{background:#fff;background:var(--bg-primary);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 4px 12px #0000001a;box-shadow:var(--shadow-md);padding:32px;padding:var(--spacing-xl)}.profile-page .form-group{margin-bottom:24px;margin-bottom:var(--spacing-lg)}.profile-page .form-group label{color:#374151;color:var(--gray-700);display:block;font-weight:500;margin-bottom:8px;margin-bottom:var(--spacing-sm)}.profile-page .form-group input{border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:12px;border-radius:var(--radius-md);font-size:1rem;padding:8px 16px;padding:var(--spacing-sm) var(--spacing-md);transition:border-color .2s cubic-bezier(.4,0,.2,1);transition:border-color var(--transition-base);width:100%}.profile-page .form-group input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f61a;outline:none}.profile-page button[type=submit]{background:var(--primary-color);border:none;border-radius:12px;border-radius:var(--radius-md);color:#fff;cursor:pointer;font-weight:500;margin-right:8px;margin-right:var(--spacing-sm);padding:8px 24px;padding:var(--spacing-sm) var(--spacing-lg);transition:background .2s cubic-bezier(.4,0,.2,1);transition:background var(--transition-base)}.profile-page button[type=submit]:hover{background:var(--primary-dark)}.profile-page button[type=button]{background:#f3f4f6;background:var(--gray-100);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:12px;border-radius:var(--radius-md);color:#374151;color:var(--gray-700);cursor:pointer;font-weight:500;padding:8px 24px;padding:var(--spacing-sm) var(--spacing-lg);transition:background .2s cubic-bezier(.4,0,.2,1);transition:background var(--transition-base)}.profile-page button[type=button]:hover{background:#e5e7eb;background:var(--gray-200)}.ai-chat-page{background:#f9fafb;background:var(--bg-secondary);min-height:calc(100vh - 70px);padding:16px;padding:var(--spacing-md)}.chat-container{flex-direction:column;height:calc(100vh - 102px);height:calc(100vh - 70px - var(--spacing-md)*2);margin:0 auto;max-width:1200px}.chat-container,.chat-header-card{display:flex;gap:24px;gap:var(--spacing-lg)}.chat-header-card{align-items:center;background:#fff;background:var(--bg-primary);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 4px 12px #0000001a;box-shadow:var(--shadow-md);justify-content:space-between;padding:24px 32px;padding:var(--spacing-lg) var(--spacing-xl)}.chat-title{align-items:center;display:flex;gap:16px;gap:var(--spacing-md)}.chat-icon{font-size:2rem}.chat-title h2{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2);background:var(--bg-gradient);-webkit-background-clip:text;background-clip:text;color:#111827;color:var(--gray-900);font-size:1.5rem;font-weight:700;margin:0}.model-selector-wrapper{align-items:center;display:flex;gap:16px;gap:var(--spacing-md)}.model-label{align-items:center;color:#374151;color:var(--gray-700);display:flex;font-size:.9375rem;font-weight:500;gap:8px;gap:var(--spacing-sm)}.model-icon{font-size:1.25rem}.model-select{-webkit-appearance:none;appearance:none;background:#fff;background:var(--bg-primary);background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12'%3E%3Cpath fill='%236b7280' d='M6 9 1 4h10z'/%3E%3C/svg%3E");background-position:right 1rem center;background-repeat:no-repeat;border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:12px;border-radius:var(--radius-md);color:#374151;color:var(--gray-700);cursor:pointer;font-size:1rem;padding:8px 16px;padding:var(--spacing-sm) var(--spacing-md);padding-right:48px;padding-right:var(--spacing-2xl);transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base)}.model-select:focus{border-color:#667eea;border-color:var(--primary-500);box-shadow:0 0 0 3px #667eea1a;outline:none}.messages-container{background:#fff;background:var(--bg-primary);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 4px 12px #0000001a;box-shadow:var(--shadow-md);overflow:hidden}.messages-container,.messages-list{display:flex;flex:1 1;flex-direction:column}.messages-list{overflow-y:auto;padding:24px;padding:var(--spacing-lg)}.message-item,.messages-list{gap:16px;gap:var(--spacing-md)}.message-item{align-items:flex-start;animation:slideUp .3s ease-out;display:flex}.message-avatar{align-items:center;background:#f5f3ff;background:var(--primary-50);border-radius:50%;display:flex;flex-shrink:0;font-size:1.5rem;height:40px;justify-content:center;width:40px}.message-bubble{border-radius:16px;border-radius:var(--radius-lg);flex:1 1;max-width:70%;padding:16px;padding:var(--spacing-md);position:relative}.message-user .message-bubble{background:#667eea;background:var(--primary-500);color:#fff;margin-left:auto}.message-ai .message-bubble{background:#f3f4f6;background:var(--gray-100);border:1px solid #e5e7eb;border:1px solid var(--border-color);color:#111827;color:var(--gray-900);margin-right:auto}.message-bubble.loading{align-items:center;background:#f9fafb;background:var(--gray-50);display:flex;justify-content:center;min-height:60px}.message-text{word-wrap:break-word;line-height:1.6;white-space:pre-wrap}.message-time{color:#6b7280;color:var(--gray-500);font-size:.75rem;margin-top:8px;margin-top:var(--spacing-sm);text-align:right}.message-user .message-time{color:#ffffffb3}.loading-dots{align-items:center;display:flex;gap:8px;gap:var(--spacing-sm)}.loading-dots span{animation:pulse 1.4s ease-in-out infinite;background:#9ca3af;background:var(--gray-400);border-radius:50%;height:8px;width:8px}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}@keyframes pulse{0%,to{opacity:.3}50%{opacity:1}}.chat-input-wrapper{background:#fff;background:var(--bg-primary);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 4px 12px #0000001a;box-shadow:var(--shadow-md);padding:24px;padding:var(--spacing-lg)}.input-container{align-items:flex-end;display:flex;gap:16px;gap:var(--spacing-md);position:relative}.chat-textarea{background:#fff;background:var(--bg-primary);border:2px solid #e5e7eb;border:2px solid var(--border-color);border-radius:16px;border-radius:var(--radius-lg);color:#374151;color:var(--gray-700);flex:1 1;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-family:var(--font-sans);font-size:1rem;line-height:1.6;max-height:200px;min-height:60px;overflow-y:auto;padding:16px;padding:var(--spacing-md);padding-right:32px;padding-right:var(--spacing-xl);resize:vertical;transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base)}.chat-textarea:focus{border-color:#667eea;border-color:var(--primary-500);box-shadow:0 0 0 4px #667eea1a;outline:none}.chat-textarea::placeholder{color:#9ca3af;color:var(--gray-400)}.send-button{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);background:var(--bg-gradient);border:none;border-radius:50%;box-shadow:0 2px 8px #667eea4d;color:#fff;cursor:pointer;display:flex;flex-shrink:0;font-size:1.25rem;font-weight:600;height:48px;justify-content:center;padding:0;transition:all .2s cubic-bezier(.4,0,.2,1);transition:all var(--transition-base);width:48px}.send-button:hover:not(:disabled){box-shadow:0 4px 12px #667eea66;transform:scale(1.1)}.send-button:active:not(:disabled){transform:scale(.95)}.send-button:disabled{box-shadow:none;cursor:not-allowed;opacity:.4}.send-icon{font-size:1.5rem;line-height:1}.input-hint{align-items:center;color:#9ca3af;color:var(--gray-400);display:flex;font-size:.8125rem;gap:8px;gap:var(--spacing-sm);justify-content:center;margin-top:8px;margin-top:var(--spacing-sm);padding:4px 0;padding:var(--spacing-xs) 0}@media (max-width:768px){.chat-header-card{align-items:flex-start;flex-direction:column;gap:16px;gap:var(--spacing-md);padding:16px;padding:var(--spacing-md)}.chat-title h2{font-size:1.25rem}.chat-textarea{font-size:.9375rem;min-height:50px;padding:8px;padding:var(--spacing-sm)}.send-button{height:44px;width:44px}.send-icon{font-size:1.25rem}.model-select{font-size:.875rem;padding:4px 8px;padding:var(--spacing-xs) var(--spacing-sm)}.input-hint{font-size:.75rem}.message-avatar{font-size:1.25rem;height:32px;width:32px}.message-text{font-size:.9375rem}}@media (max-width:480px){.chat-textarea{font-size:.875rem;max-height:120px;min-height:44px;padding:4px 8px;padding:var(--spacing-xs) var(--spacing-sm)}.send-button{height:40px;width:40px}.send-icon{font-size:1.125rem}}.payment-modal-overlay{align-items:center;background:#0009;bottom:0;display:flex;justify-content:center;left:0;padding:16px;padding:var(--spacing-md);position:fixed;right:0;top:0;z-index:1000}.payment-modal{background:#fff;border-radius:16px;border-radius:var(--radius-lg);box-shadow:0 12px 40px #667eea40;box-shadow:var(--shadow-xl);max-height:90vh;max-width:640px;overflow-y:auto;padding:32px;padding:var(--spacing-xl);position:relative;width:100%}.modal-close{align-items:center;background:none;border:none;border-radius:50%;color:#6b7280;color:var(--gray-500);cursor:pointer;display:flex;font-size:1.5rem;height:32px;justify-content:center;position:absolute;right:16px;right:var(--spacing-md);top:16px;top:var(--spacing-md);transition:all .2s;width:32px}.modal-close:hover{background:#f3f4f6;background:var(--gray-100);color:#374151;color:var(--gray-700)}.payment-modal h3{color:var(--text-primary)}.payment-modal h3,.payment-summary{margin-bottom:24px;margin-bottom:var(--spacing-lg)}.payment-summary{background:#f9fafb;background:var(--bg-secondary);border-radius:12px;border-radius:var(--radius-md);padding:16px;padding:var(--spacing-md)}.payment-summary p{color:var(--text-secondary);margin:4px 0;margin:var(--spacing-xs) 0}.payment-summary strong{color:var(--text-primary)}.payment-method-selection label{font-weight:500;margin-bottom:8px;margin-bottom:var(--spacing-sm)}.payment-method-options{grid-gap:16px;grid-gap:var(--spacing-md);display:grid;gap:16px;gap:var(--spacing-md);grid-template-columns:repeat(3,1fr);margin-bottom:24px;margin-bottom:var(--spacing-lg)}.payment-method-option{border:2px solid var(--gray-200);border-radius:16px;border-radius:var(--radius-lg);flex-direction:column;gap:8px;gap:var(--spacing-sm);justify-content:center;min-height:100px;padding:24px;padding:var(--spacing-lg);transition:all .3s ease}.payment-method-option:hover{border-color:#8b5cf6;border-color:var(--primary-400);box-shadow:0 4px 12px #0000001a}.payment-method-option.selected{background:linear-gradient(135deg,#f5f3ff,#ede9fe);background:linear-gradient(135deg,var(--primary-50) 0,var(--primary-100) 100%);border-color:var(--primary-500);box-shadow:0 4px 16px #3b82f633}.payment-method-option input{height:0;opacity:0;position:absolute;width:0}.method-icon{align-items:center;display:flex;font-size:2.5rem;justify-content:center;margin-bottom:16px;margin-bottom:var(--spacing-md);width:100%}.method-name{color:var(--text-primary);display:block;font-size:.95rem;font-weight:600;text-align:center;width:100%}.payment-method-option.selected .method-name{color:#5a67d8;color:var(--primary-600)}.payment-method-option.link-selected{background:linear-gradient(135deg,#f0fdf4,#dcfce7)!important;border-color:#00d166!important;box-shadow:0 4px 16px #00d1664d!important}.payment-method-option.link-selected .method-name{color:#00d166!important;font-weight:700}.method-badge{background:linear-gradient(135deg,#00d166,#00c05c);border-radius:12px;color:#fff;font-size:10px;font-weight:800;letter-spacing:.5px;padding:2px 8px;position:absolute;right:8px;top:8px}.payment-content{background:#f9fafb;background:var(--gray-50);min-height:200px}.payment-content,.stripe-unavailable-notice{border-radius:12px;border-radius:var(--radius-md);padding:24px;padding:var(--spacing-lg)}.stripe-unavailable-notice{animation:slideDown .3s ease-out;background:linear-gradient(135deg,#fef3c7,#fde68a);border-left:4px solid #f59e0b;border-left:4px solid var(--warning);text-align:center}.stripe-unavailable-notice p:first-child{color:#1f2937;color:var(--gray-800);font-size:1.1rem;font-weight:600;margin-bottom:8px;margin-bottom:var(--spacing-sm)}.stripe-unavailable-notice .notice-detail{color:#374151;color:var(--gray-700);font-size:.95rem;line-height:1.6;margin:0}@keyframes 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