:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #a5b4fc;--primary-glow: rgba(99, 102, 241, .15);--accent: #22d3ee;--bg: #0f0f14;--bg-card: #16161f;--bg-elevated: #1e1e2e;--border: rgba(255, 255, 255, .08);--border-hover: rgba(99, 102, 241, .5);--text-primary: #f1f1f5;--text-secondary: #a0a0b5;--text-muted: #6b6b85;--success: #22c55e;--error: #ef4444;--warning: #f59e0b;--radius: 12px;--radius-lg: 20px;--radius-sm: 8px;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:16px;line-height:1.6}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:10px;border:2px solid var(--bg)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}*{scrollbar-width:thin;scrollbar-color:var(--bg-elevated) var(--bg)}a{color:var(--primary-light);text-decoration:none}a:hover{color:var(--primary)}.container{max-width:1100px;margin:0 auto;padding:0 24px}.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border);position:sticky;top:0;background:#0f0f14e6;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:100}.nav-logo{font-size:1.2rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:8px}.nav-logo span{color:var(--primary)}.nav-links{display:flex;align-items:center;gap:24px}.nav-links a{color:var(--text-secondary);font-size:.9rem;transition:color .2s;display:flex;align-items:center}.nav-links a:hover{color:var(--text-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius);font-size:.95rem;font-weight:600;border:none;cursor:pointer;transition:all .2s;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 25px #6366f166;color:#fff}.btn-outline{background:transparent;color:var(--text-primary);border:1px solid var(--border)}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;transition:border-color .2s}.card:hover{border-color:var(--border-hover)}.badge{display:inline-block;padding:4px 12px;border-radius:100px;font-size:.78rem;font-weight:600}.badge-primary{background:var(--primary-glow);color:var(--primary-light);border:1px solid rgba(99,102,241,.3)}.footer{text-align:center;padding:40px 24px;border-top:1px solid var(--border);color:var(--text-muted);font-size:.85rem;margin-top:auto}.footer a{color:var(--text-muted);margin:0 8px}.footer a:hover{color:var(--text-secondary)}.user-nav{display:flex;align-items:center;gap:16px;font-size:.9rem}.user-email{color:var(--text-secondary)}.user-beans{color:var(--accent);font-weight:600}.btn-text{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.9rem;padding:0 8px;line-height:1;transition:color .2s;display:flex;align-items:center}.btn-text:hover{color:var(--error)}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}.gradient-text{background:linear-gradient(135deg,var(--primary-light) 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@media (max-width: 768px){.container{padding:0 16px}.nav{padding:12px 16px}.nav-logo{font-size:1rem}.nav-links{gap:12px}.user-nav{gap:8px}.user-email{display:none}.badge{padding:2px 8px;font-size:.7rem}}.toast-container{position:fixed;top:24px;left:50%;transform:translate(-50%);z-index:9999;animation:toast-in .3s cubic-bezier(.68,-.55,.265,1.55)}.toast-content{background:var(--bg-elevated);border:1px solid var(--border);padding:12px 24px;border-radius:100px;box-shadow:0 10px 30px #00000080;display:flex;align-items:center;gap:12px;color:var(--text-primary);font-size:.95rem;font-weight:500;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.toast-container.success .toast-content{border-color:#22c55e66}.toast-container.error .toast-content{border-color:#ef444466}@keyframes toast-in{0%{transform:translate(-50%,-20px);opacity:0}to{transform:translate(-50%);opacity:1}}.home-wrapper{min-height:100vh;display:flex;flex-direction:column}.hero{padding:100px 0 80px;text-align:center;background:radial-gradient(ellipse 60% 50% at 50% 0%,rgba(99,102,241,.15) 0%,transparent 70%)}.hero h1{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:800;line-height:1.15;margin-bottom:20px;letter-spacing:-.02em}.hero-sub{font-size:1.1rem;color:var(--text-secondary);max-width:560px;margin:0 auto 36px;line-height:1.7}.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.hero-stats{display:flex;gap:48px;justify-content:center;margin-top:60px;flex-wrap:wrap}.stat{display:flex;flex-direction:column;align-items:center;gap:4px}.stat strong{font-size:1.8rem;font-weight:800;color:var(--primary-light)}.stat span{font-size:.85rem;color:var(--text-muted)}.features{padding:80px 0}.section-title{text-align:center;font-size:1.8rem;font-weight:700;margin-bottom:48px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.feature-card{text-align:center}.feature-icon{font-size:2rem;margin-bottom:16px}.feature-card h3{font-size:1.05rem;font-weight:600;margin-bottom:8px}.feature-card p{color:var(--text-secondary);font-size:.9rem;line-height:1.6}.pricing{padding:80px 0}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;max-width:1000px;margin:0 auto}.pricing-card{text-align:center}.featured-plan{border-color:var(--primary)!important;background:linear-gradient(135deg,rgba(99,102,241,.08) 0%,var(--bg-card) 100%)}.plan-name{font-size:1rem;color:var(--text-secondary);margin-bottom:12px;font-weight:600}.plan-price{font-size:2.5rem;font-weight:800;margin-bottom:24px}.plan-price span{font-size:1rem;font-weight:400;color:var(--text-muted)}.plan-features{list-style:none;text-align:left;margin-bottom:28px}.plan-features li{padding:8px 0;border-bottom:1px solid var(--border);font-size:.92rem;color:var(--text-secondary)}.plan-features li:last-child{border-bottom:none}@media (max-width: 768px){.hero{padding:60px 0 40px}.hero h1{font-size:2.2rem}.hero-stats{gap:24px;margin-top:40px}.stat strong{font-size:1.4rem}.section-title{font-size:1.5rem;margin-bottom:32px}.features,.pricing{padding:40px 0}.pricing-grid{gap:16px}}.tool-page{padding:60px 24px;max-width:700px}.tool-title{font-size:2rem;font-weight:800;margin-bottom:12px}.tool-desc{color:var(--text-secondary);margin-bottom:36px}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);min-height:240px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;background:var(--bg-card);overflow:hidden;margin-bottom:20px}.drop-zone:hover{border-color:var(--primary);background:var(--primary-glow)}.drop-hint{text-align:center}.drop-icon{font-size:3rem;margin-bottom:12px}.drop-text{font-size:1rem;font-weight:500;margin-bottom:6px}.drop-sub{font-size:.85rem;color:var(--text-muted)}.preview-img{max-height:400px;max-width:100%;object-fit:contain;border-radius:8px}.tool-error{background:var(--primary-glow);color:var(--error);padding:12px 20px;border-radius:var(--radius);margin-top:24px;margin-bottom:24px;border:1px solid rgba(239,68,68,.2);display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:8px;white-space:normal;font-size:.85rem;line-height:normal;max-height:400px;overflow-y:auto}.recharge-link{color:var(--primary-light);text-decoration:underline;font-weight:600;margin-left:8px}.recharge-link:hover{color:var(--primary)}.tool-btn{width:100%;padding:14px;font-size:1rem;margin-bottom:32px}.result-section{text-align:center}.result-section h3{font-size:1.2rem;font-weight:600;margin-bottom:20px}.result-preview{background:repeating-conic-gradient(#444,#444 25%,#333 0%,#333 50%) 0 0 / 20px 20px;border-radius:var(--radius);padding:16px;margin-bottom:20px;display:flex;justify-content:center}.result-preview img{max-height:400px;max-width:100%;border-radius:8px}@media (max-width: 768px){.tool-page{padding:30px 16px}.tool-title{font-size:1.5rem}.drop-zone{min-height:180px}.drop-icon{font-size:2.2rem}}.checkout-wrapper{min-height:100vh;display:flex;flex-direction:column}.checkout-center{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px}.checkout-error-icon{font-size:3rem;margin-bottom:16px}.checkout-content{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 24px}.checkout-card{max-width:500px;width:100%}.checkout-header{text-align:center;margin-bottom:32px}.checkout-icon{font-size:2.5rem;margin-bottom:12px}.checkout-header h1{font-size:1.6rem;font-weight:700;margin-bottom:8px}.checkout-header p{color:var(--text-secondary);font-size:.9rem}.order-detail{background:var(--bg);border-radius:var(--radius);padding:20px;margin-bottom:20px}.order-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border)}.order-row:last-child{border-bottom:none}.order-label{color:var(--text-secondary);font-size:.9rem}.order-value{font-size:.9rem}.order-value.highlight{color:var(--primary-light);font-weight:600}.order-value.muted{color:var(--text-muted);font-size:.8rem;font-family:monospace}.total-row{margin-top:8px}.order-amount{font-size:1.6rem;font-weight:800;color:var(--primary-light)}.pay-notice{background:#22c55e14;border:1px solid rgba(34,197,94,.2);border-radius:var(--radius-sm);padding:12px 16px;font-size:.82rem;color:#86efac;margin-bottom:20px;text-align:center}.pay-btn{width:100%;padding:14px;font-size:1rem;margin-bottom:16px}.checkout-terms{text-align:center;font-size:.8rem;color:var(--text-muted)}.checkout-terms a{color:var(--text-secondary)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.qr-modal{background:#1e293b;border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:32px;width:90%;max-width:360px;text-align:center;box-shadow:0 20px 25px -5px #00000080;position:relative;animation:modal-pop .3s cubic-bezier(.34,1.56,.64,1)}@keyframes modal-pop{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.qr-close{position:absolute;top:16px;right:16px;background:none;border:none;color:#94a3b8;font-size:1.5rem;cursor:pointer;line-height:1}.qr-container{background:#fff;padding:16px;border-radius:12px;display:inline-block;margin:20px 0;border:1px solid #e2e8f0}.qr-tip{font-size:.9rem;color:#e2e8f0;margin-bottom:8px}.qr-status{font-size:.8rem;color:#94a3b8}@media (max-width: 768px){.checkout-content{padding:20px 16px}.checkout-card{padding:20px}.checkout-header h1,.order-amount{font-size:1.3rem}.qr-modal{padding:20px}}.result-wrapper{min-height:100vh;display:flex;flex-direction:column}.result-content{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 24px}.result-card{max-width:440px;width:100%;text-align:center;padding:48px 40px}.result-card.success{border-color:var(--success);background:#22c55e0f}.result-card.failure{border-color:var(--error);background:#ef44440f}.result-icon{font-size:3.5rem;margin-bottom:20px}.result-card h2{font-size:1.5rem;font-weight:700;margin-bottom:12px}.result-card p{color:var(--text-secondary);line-height:1.6;margin-bottom:28px}.result-btn{width:100%}.legal-wrapper{min-height:100vh;display:flex;flex-direction:column}.legal-content{max-width:760px;padding:60px 24px;flex:1}.legal-content h1{font-size:2rem;font-weight:800;margin-bottom:6px}.legal-update{color:var(--text-muted);font-size:.85rem;margin-bottom:40px}.legal-content section{margin-bottom:32px}.legal-content h2{font-size:1.1rem;font-weight:600;margin-bottom:12px;color:var(--text-primary)}.legal-content p{color:var(--text-secondary);line-height:1.8;margin-bottom:10px;font-size:.92rem}.legal-content ul{list-style:disc;padding-left:24px;color:var(--text-secondary);font-size:.92rem;line-height:1.8}.auth-wrapper{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{width:100%;max-width:400px}.auth-title{font-size:1.5rem;font-weight:700;margin-bottom:8px;text-align:center}.auth-subtitle{color:var(--text-secondary);text-align:center;margin-bottom:32px;font-size:.9rem}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;font-size:.85rem;color:var(--text-secondary)}.form-input{width:100%;padding:12px 16px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:.95rem;transition:all .2s}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-glow)}.auth-btn{width:100%;margin-top:12px}.auth-footer{text-align:center;margin-top:24px;font-size:.85rem;color:var(--text-secondary)}.auth-footer a{color:var(--primary-light);font-weight:600}.auth-error{background:#ef44441a;color:var(--error);padding:12px;border-radius:var(--radius-sm);font-size:.85rem;margin-bottom:20px;border:1px solid rgba(239,68,68,.2)}@media (max-width: 768px){.auth-wrapper{padding:16px}.auth-card{padding:24px}}