:root{--color-primary: #111827;--color-secondary: #F7F8FA;--color-accent: #4F46E5;--color-accent-hover: #4338CA;--color-accent-light: rgba(79, 70, 229, .08);--color-accent-bg: #EEF2FF;--color-success: #10B981;--color-success-light: rgba(16, 185, 129, .1);--color-warning: #F59E0B;--color-error: #EF4444;--color-bg: #FFFFFF;--color-bg-alt: #F7F8FA;--color-bg-dark: #111827;--color-text: #111827;--color-text-secondary: #6B7280;--color-text-muted: #9CA3AF;--color-text-on-dark: #E2E8F0;--color-surface: #FFFFFF;--color-surface-hover: #F9FAFB;--color-border: #E5E7EB;--color-border-light: #F3F4F6;--font-heading: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--text-5xl: 3rem;--text-6xl: 3.5rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--section-padding: 100px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-card: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .06), 0 2px 4px -2px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .06), 0 4px 6px -4px rgba(0, 0, 0, .03);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 8px 10px -6px rgba(0, 0, 0, .03);--shadow-glow: 0 0 20px rgba(79, 70, 229, .15);--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--container-max: 1100px;--container-padding: 1.5rem}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-body);font-size:var(--text-base);line-height:1.6;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);line-height:1.2;font-weight:800;color:var(--color-text)}img{max-width:100%;height:auto;display:block}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover)}button{font-family:inherit;cursor:pointer;border:none;background:none}ul,ol{list-style:none}.container{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-padding)}.section{padding:var(--section-padding) 0}.section-alt{background:var(--color-bg-alt)}.fade-up{opacity:0;transform:translateY(20px);transition:opacity .6s ease-out,transform .6s ease-out}.fade-up.visible{opacity:1;transform:translateY(0)}.delay-1{transition-delay:.1s}.delay-2{transition-delay:.2s}.delay-3{transition-delay:.3s}.delay-4{transition-delay:.4s}.delay-5{transition-delay:.5s}:root{--color-border-strong: #D7DAE1;--color-border-hover: #B9BEC8;--color-surface-sunken: #FAFAFA;--color-canvas: #F5F5F6;--color-canvas-block: #ECEEF1;--color-success-text: #167A4D;--color-warning-text: #9A6400;--color-error-text: #B4331C;--color-error-bg: #FDF3F0;--color-error-border: #F0D3CB;--control-h-sm: 36px;--control-h: 40px;--control-h-lg: 44px;--control-h-primary: 52px;--toolbar-h: 56px;--rail-w: 340px;--rail-w-md: 280px}.page-loader{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background:var(--color-bg);color:var(--color-text-secondary);gap:1rem}.loader-spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.page-loader p{font-size:var(--text-sm);letter-spacing:.05em}.modal-overlay{position:fixed;inset:0;background:#00000080;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:2000;padding:var(--space-4)}.modal-content{background:var(--color-surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);max-width:440px;width:100%;max-height:90vh;overflow-y:auto;animation:modalIn .25s ease}@keyframes modalIn{0%{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.google-divider{display:flex;align-items:center;gap:12px;margin:20px 0 16px;color:#94a3b8;font-size:13px}.google-divider:before,.google-divider:after{content:"";flex:1;height:1px;background:#e2e8f0}.google-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px 16px;background:#fff;color:#1f2937;border:1px solid #dadce0;border-radius:8px;font-size:15px;font-weight:500;font-family:inherit;cursor:pointer;transition:background-color .15s ease,box-shadow .15s ease}.google-btn:hover{background:#f8fafc;box-shadow:0 1px 3px #3c404329}.google-btn:focus-visible{outline:2px solid #4285f4;outline-offset:2px}.google-btn-icon{width:18px;height:18px;flex-shrink:0}.gate-overlay{position:fixed;inset:0;z-index:2000;background:#1118278c;display:flex;align-items:center;justify-content:center;padding:var(--space-4);overflow-y:auto}.gate-dialog{position:relative;width:100%;max-width:440px;background:var(--color-surface);border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);padding:var(--space-8);animation:gate-in .2s ease}@keyframes gate-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.gate-dialog{animation:none}}.gate-close{position:absolute;top:var(--space-3);right:var(--space-4);font-size:1.6rem;line-height:1;color:var(--color-text-muted);transition:color var(--transition-fast)}.gate-close:hover{color:var(--color-text)}.gate-body{text-align:center}.gate-badge{display:inline-block;background:var(--color-accent-bg);color:var(--color-accent);font-size:var(--text-xs);font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);margin-bottom:var(--space-4)}.gate-title{font-size:var(--text-2xl);font-weight:800;line-height:1.25}.gate-subtitle{margin-top:var(--space-3);color:var(--color-text-secondary);font-size:var(--text-base)}.gate-perks{text-align:left;margin:var(--space-6) 0;display:grid;gap:var(--space-3)}.gate-perks li{position:relative;padding-left:var(--space-6);font-size:var(--text-sm);color:var(--color-text)}.gate-perks li:before{content:"✓";position:absolute;left:0;top:0;color:var(--color-success);font-weight:800}.gate-primary{width:100%;background:var(--color-accent);color:#fff;font-weight:600;font-size:var(--text-base);padding:var(--space-4);border-radius:var(--radius-full);transition:background var(--transition-fast)}.gate-primary:hover{background:var(--color-accent-hover)}.gate-secondary{width:100%;margin-top:var(--space-3);padding:var(--space-3);border-radius:var(--radius-full);border:1px solid var(--color-border);color:var(--color-text);font-weight:600;font-size:var(--text-base);transition:border-color var(--transition-fast),color var(--transition-fast)}.gate-secondary:hover{border-color:var(--color-accent);color:var(--color-accent)}.gate-body--form .auth-container{padding:0;margin-top:var(--space-6);max-width:none;text-align:left}.gate-body--form .auth-container>h2{display:none}@media(max-width:640px){.gate-dialog{padding:var(--space-6) var(--space-5)}.gate-title{font-size:var(--text-xl)}}.navbar{position:sticky;top:0;z-index:50;background:#fffffff2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:all .3s ease}.nav-container{max-width:1100px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}.nav-logo{display:flex;align-items:center;gap:10px}.logo-icon{width:36px;height:36px}.logo-text{font-size:20px;font-weight:700;color:#111827}.nav-links{display:flex;gap:32px}.nav-link{font-size:15px;color:#6b7280;background:none;border:none;cursor:pointer;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-weight:500;transition:color .2s;text-decoration:none}.nav-link:hover{color:#111827}.nav-link:focus-visible{outline:2px solid var(--color-accent);outline-offset:4px;border-radius:var(--radius-sm);color:var(--color-text)}.footer{background:#fff;border-top:1px solid #E5E7EB;padding:60px 0 30px}.footer-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #E5E7EB;margin-top:40px;padding-top:24px;max-width:1100px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}@media(max-width:768px){.nav-links{display:none}.footer-bottom{flex-direction:column;gap:8px;text-align:center}}.footer-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:var(--space-8) var(--space-6);max-width:var(--container-max);margin:0 auto;padding:0 var(--container-padding)}.footer-section h4{font-size:12px;text-transform:uppercase;letter-spacing:1.5px;font-weight:700;color:var(--color-text-muted);margin-bottom:20px}.footer-section ul{list-style:none;padding:0;margin:0}.footer-section li{margin-bottom:12px}.footer-section a{font-size:14px;font-weight:400;color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition-fast)}.footer-section a:hover{color:var(--color-text)}.footer-section a:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px;border-radius:var(--radius-sm);color:var(--color-text)}.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:var(--space-3)}.footer-description{font-size:14px;color:var(--color-text-secondary);max-width:30ch}.nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;border:1px solid var(--color-border-strong);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text)}.nav-toggle:hover{border-color:var(--color-border-hover)}.nav-toggle:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.nav-menu{display:none;flex-direction:column;gap:var(--space-1);padding:var(--space-2) var(--container-padding) var(--space-4);border-top:1px solid var(--color-border);background:var(--color-bg)}.nav-menu-link{font-size:15px;font-weight:500;color:var(--color-text-secondary);padding:var(--space-3) 0;text-decoration:none}.nav-menu-link:hover{color:var(--color-text)}.nav-menu-link:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-sm)}@media(max-width:768px){.nav-toggle{display:inline-flex}.nav-menu[data-open=true]{display:flex}.footer-container{grid-template-columns:repeat(2,1fr);gap:30px}}@media(max-width:480px){.footer-container{grid-template-columns:1fr}}.tools-menu{position:relative;display:inline-flex}.tools-menu-trigger{display:inline-flex;align-items:center;gap:4px}.tools-menu-panel{position:absolute;top:calc(100% + var(--space-2));left:0;z-index:60;min-width:250px;display:flex;flex-direction:column;padding:var(--space-2);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.tools-menu-item{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-4);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:500;color:var(--color-text);text-decoration:none}.tools-menu-item:hover{background:var(--color-surface-hover)}.tools-menu-item:focus-visible{outline:2px solid var(--color-accent);outline-offset:-2px}.tools-menu-item[aria-current=page]{color:var(--color-accent);background:var(--color-accent-bg)}.tools-menu-note{font-size:var(--text-xs);color:var(--color-text-secondary);white-space:nowrap}.nav-account{display:flex;align-items:center;gap:var(--space-3)}.nav-account-email{max-width:18ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-menu-heading{margin:var(--space-3) 0 var(--space-1);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-secondary)}.nav-menu-note{padding:0 0 var(--space-1);font-size:var(--text-xs);color:var(--color-text-secondary)}.nav-menu-button{background:none;border:none;font:inherit;text-align:left;cursor:pointer}@media(max-width:900px){.nav-account-email{display:none}}@media(max-width:768px){.nav-account{display:none}}.tools-menu-group+.tools-menu-group{margin-top:var(--space-2);padding-top:var(--space-2);border-top:1px solid var(--color-border)}.tools-menu-group-label{padding:var(--space-1) var(--space-3);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-secondary)}.tools-menu-item--hub{margin-top:var(--space-2);padding-top:var(--space-3);border-top:1px solid var(--color-border);border-radius:0 0 var(--radius-md) var(--radius-md);font-weight:600;color:var(--color-accent)}.nav-menu-group{display:flex;flex-direction:column;gap:var(--space-1)}.nav-menu-group+.nav-menu-group{margin-top:var(--space-2)}.footer-tool-group+.footer-tool-group{margin-top:var(--space-3)}.footer-tool-group-heading{margin-bottom:var(--space-1);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted)}.footer-section a,.footer-tool-group a{overflow-wrap:anywhere}.footer-tool-all{margin-top:var(--space-3);padding-top:var(--space-3);border-top:1px solid var(--color-border)}.footer-tool-all a{font-weight:600}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-8) var(--space-4);background:var(--color-bg-alt)}.auth-page-card{width:100%;max-width:440px}.auth-container{max-width:400px;margin:0 auto;background:var(--color-surface);padding:var(--space-10);border-radius:var(--radius-lg)}.auth-container h2{text-align:center;margin-bottom:var(--space-8);color:var(--color-text);font-family:var(--font-heading)}.form-group{margin-bottom:var(--space-5)}.form-group label{display:block;margin-bottom:var(--space-2);font-weight:500;color:var(--color-text-secondary);font-size:var(--text-sm)}.form-group input{width:100%;padding:var(--space-3) var(--space-4);border:2px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--text-base);font-family:var(--font-body);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);background:var(--color-surface);color:var(--color-text)}.form-group input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-light)}.auth-container button[type=submit]{width:100%;background:var(--color-accent);color:#fff;border:none;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);font-size:var(--text-base);font-weight:600;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast)}.auth-container button[type=submit]:hover{background:var(--color-accent-hover);transform:translateY(-1px)}.auth-container button[type=submit]:disabled{background:var(--color-text-muted);cursor:not-allowed;transform:none}.switch-auth{text-align:center;margin-top:var(--space-5);color:var(--color-text-muted);font-size:var(--text-sm)}.switch-auth button{background:none;border:none;color:var(--color-accent);cursor:pointer;font-weight:600}.bonus-info{text-align:center;margin-top:var(--space-4);color:var(--color-success);font-weight:500;font-size:var(--text-sm)}.pricing-overlay{position:fixed;inset:0;background:#00000080;backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:1000;padding:var(--space-5)}.pricing-modal{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-10);max-width:900px;width:100%;max-height:90vh;overflow-y:auto;position:relative;box-shadow:var(--shadow-xl)}.close-btn{position:absolute;top:var(--space-4);right:var(--space-5);background:none;border:none;font-size:1.75rem;cursor:pointer;color:var(--color-text-muted);transition:color var(--transition-fast)}.close-btn:hover{color:var(--color-text)}.pricing-modal h2{text-align:center;margin-bottom:var(--space-3);font-family:var(--font-heading)}.pricing-subtitle{text-align:center;color:var(--color-text-muted);margin-bottom:var(--space-8)}.pricing-message{text-align:center;padding:var(--space-4);border-radius:var(--radius-md);margin-bottom:var(--space-5);background:var(--color-surface-hover)}.pricing-message.success{background:var(--color-success-light);border:1px solid var(--color-success);color:#065f46}.pricing-message.error{background:#ef44441a;border:1px solid var(--color-error);color:#991b1b}.plans-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-5);margin-bottom:var(--space-8)}.plan-card{border:2px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-8);text-align:center;position:relative;transition:border-color var(--transition-normal),transform var(--transition-normal),box-shadow var(--transition-normal)}.plan-card:hover{border-color:var(--color-accent);transform:translateY(-2px);box-shadow:var(--shadow-md)}.plan-card.popular{border-color:var(--color-accent);box-shadow:var(--shadow-glow)}.popular-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:var(--color-accent);color:#fff;padding:var(--space-1) var(--space-4);border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:600;white-space:nowrap}.plan-card h3{margin-bottom:var(--space-4);font-family:var(--font-heading)}.plan-price{margin-bottom:var(--space-3)}.plan-price .currency{font-size:var(--text-2xl);vertical-align:top;color:var(--color-text-secondary)}.plan-price .amount{font-size:var(--text-5xl);font-weight:800;font-family:var(--font-heading)}.plan-credits{font-size:var(--text-lg);font-weight:600;color:var(--color-accent);margin-bottom:var(--space-1)}.plan-per-credit{font-size:var(--text-sm);color:var(--color-text-muted);margin-bottom:var(--space-3)}.plan-description{color:var(--color-text-secondary);margin-bottom:var(--space-5);font-size:var(--text-sm)}.purchase-btn{width:100%;background:var(--color-accent);color:#fff;border:none;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);font-size:var(--text-base);font-weight:600;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast)}.purchase-btn:hover:not(:disabled){background:var(--color-accent-hover);transform:translateY(-1px)}.purchase-btn:disabled{background:var(--color-text-muted);cursor:not-allowed}.pricing-footer{text-align:center;margin-top:var(--space-5)}.pricing-note{color:var(--color-success);font-weight:500;margin-bottom:var(--space-3)}.pricing-secure{color:var(--color-text-muted);font-size:var(--text-sm)}.pricing-loading{text-align:center;padding:var(--space-10)}.error-message{background:#ef44441a;border:1px solid var(--color-error);color:#991b1b;padding:var(--space-4);border-radius:var(--radius-md);margin:var(--space-4) 0;font-size:var(--text-sm)}.success-message{background:var(--color-success-light);border:1px solid var(--color-success);color:#065f46;padding:var(--space-4);border-radius:var(--radius-md);margin-bottom:var(--space-5)}@media(max-width:768px){.plans-container{grid-template-columns:1fr}.auth-container{margin:var(--space-5);padding:var(--space-8)}}.form-hint{margin-top:var(--space-2);font-size:var(--text-xs);color:var(--color-text-muted)}a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-sm)}.auth-page{background:var(--color-bg-alt);align-items:flex-start;padding-top:var(--space-16)}.auth-page-card{max-width:420px}.auth-container{max-width:none;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--space-8)}.auth-container h2{text-align:left;font-size:var(--text-2xl);letter-spacing:-.025em;margin-bottom:var(--space-6);padding:0}.form-group{margin-bottom:var(--space-4)}.form-group label{display:block;font-size:var(--text-sm);color:var(--color-text-secondary);margin-bottom:var(--space-2);font-weight:500}.form-group input{width:100%;height:var(--control-h-lg);box-sizing:border-box;padding:0 var(--space-3);font-family:inherit;font-size:var(--text-base);color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);transition:border-color var(--transition-fast)}.form-group input:hover{border-color:var(--color-border-hover)}.form-group input:focus,.form-group input:focus-visible{outline:2px solid var(--color-accent);outline-offset:0;border-color:var(--color-accent)}.auth-container button[type=submit]{width:100%;height:var(--control-h-primary);margin-top:var(--space-2);border-radius:var(--radius-md);background:var(--color-accent);color:#fff;font-size:var(--text-base);font-weight:600;transition:background var(--transition-fast)}.auth-container button[type=submit]:hover:not(:disabled){background:var(--color-accent-hover)}.auth-container button[type=submit]:disabled{opacity:.45;cursor:not-allowed}.auth-container button[type=submit]:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.switch-auth{margin-top:var(--space-5);padding-top:var(--space-5);border-top:1px solid var(--color-border-light);font-size:var(--text-sm);color:var(--color-text-secondary);text-align:center}.switch-auth button{color:var(--color-accent);font-weight:600;font-size:inherit}.switch-auth button:hover{color:var(--color-accent-hover)}.switch-auth button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-sm)}.auth-container .error-message,.error-message{background:var(--color-error-bg);border:1px solid var(--color-error-border);color:var(--color-error-text);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);margin:0 0 var(--space-5);font-size:var(--text-sm)}@media(max-width:768px){.auth-page{padding-top:var(--space-8)}.auth-container{margin:0;padding:var(--space-6)}}