@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap";:root{--bg-dark:#07090e;--bg-card:#121826b3;--bg-card-hover:#1a2337d9;--border-color:#ffffff14;--border-glow:#6366f14d;--primary:#6366f1;--primary-hover:#4f46e5;--primary-glow:#6366f166;--accent-cyan:#06b6d4;--accent-pink:#ec4899;--accent-purple:#8b5cf6;--success:#10b981;--warning:#f59e0b;--text-main:#f3f4f6;--text-muted:#9ca3af;--text-dim:#6b7280;--font-sans:"Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", monospace;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-xl:28px;--shadow-glow:0 0 30px #6366f126;--shadow-card:0 10px 30px -5px #00000080}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-dark);color:var(--text-main);-webkit-font-smoothing:antialiased;background-image:radial-gradient(circle at 15% 15%,#6366f11f 0%,#0000 40%),radial-gradient(circle at 85% 20%,#8b5cf61a 0%,#0000 35%),radial-gradient(circle at 50% 85%,#06b6d414 0%,#0000 45%);background-attachment:fixed;min-height:100vh;overflow-x:hidden}.app-container{max-width:1280px;margin:0 auto;padding:2rem 1.5rem 6rem}.glass-panel{background:var(--bg-card);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:all .3s cubic-bezier(.16,1,.3,1)}.glass-panel:hover{border-color:#ffffff26}.app-header{text-align:center;margin-bottom:2.5rem;position:relative}.badge-pill{color:#a5b4fc;letter-spacing:.02em;background:#6366f11a;border:1px solid #6366f140;border-radius:100px;align-items:center;gap:.5rem;margin-bottom:1rem;padding:.35rem 1rem;font-size:.85rem;font-weight:600;display:inline-flex}.hero-title{letter-spacing:-.03em;background:linear-gradient(135deg,#fff 30%,#a5b4fc 70%,#c084fc 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.75rem;font-size:3rem;font-weight:800;line-height:1.15}.hero-subtitle{color:var(--text-muted);max-width:680px;margin:0 auto 1.5rem;font-size:1.15rem;line-height:1.6}.features-banner{flex-wrap:wrap;justify-content:center;gap:1.25rem;margin-top:1.25rem;display:flex}.feature-tag{color:var(--text-muted);border-radius:var(--radius-sm);background:#ffffff08;border:1px solid #ffffff0d;align-items:center;gap:.5rem;padding:.4rem .9rem;font-size:.85rem;display:flex}.feature-tag svg{color:var(--accent-cyan)}.settings-section{margin-bottom:2rem;padding:1.5rem}.settings-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));align-items:center;gap:1.5rem;display:grid}.setting-group{flex-direction:column;gap:.5rem;display:flex}.setting-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:.4rem;font-size:.85rem;font-weight:600;display:flex}.segmented-control{border-radius:var(--radius-md);border:1px solid var(--border-color);background:#0000004d;padding:4px;display:flex}.segmented-btn{color:var(--text-muted);font-family:var(--font-sans);border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;flex:1;justify-content:center;align-items:center;gap:.4rem;padding:.55rem 1rem;font-size:.9rem;font-weight:600;transition:all .2s;display:flex}.segmented-btn.active{background:var(--primary);color:#fff;box-shadow:0 4px 12px var(--primary-glow)}.range-slider-wrapper{align-items:center;gap:1rem;display:flex}.custom-range{accent-color:var(--primary);cursor:pointer;background:#ffffff1a;border-radius:3px;flex:1;height:6px}.slider-val-badge{font-family:var(--font-mono);color:var(--accent-cyan);background:#06b6d41a;border:1px solid #06b6d433;border-radius:6px;padding:.2rem .6rem;font-size:.9rem;font-weight:600}.color-options{align-items:center;gap:.5rem;display:flex}.color-swatch{cursor:pointer;border:2px solid #0000;border-radius:50%;width:32px;height:32px;transition:transform .2s,border-color .2s;position:relative}.color-swatch:hover{transform:scale(1.1)}.color-swatch.active{border-color:#fff;box-shadow:0 0 10px #ffffff80}.color-input-native{cursor:pointer;background:0 0;border:none;border-radius:50%;width:32px;height:32px}.dropzone-container{text-align:center;border-radius:var(--radius-xl);cursor:pointer;background:#12182666;border:2px dashed #6366f14d;margin-bottom:2.5rem;padding:3.5rem 2rem;transition:all .3s cubic-bezier(.16,1,.3,1);position:relative;overflow:hidden}.dropzone-container:hover,.dropzone-container.is-dragover{border-color:var(--primary);box-shadow:var(--shadow-glow);background:#6366f114;transform:translateY(-2px)}.dropzone-icon-wrapper{width:72px;height:72px;color:var(--primary);background:#6366f11a;border:1px solid #6366f140;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 1.25rem;transition:transform .3s;display:flex}.dropzone-container:hover .dropzone-icon-wrapper{color:#a5b4fc;transform:scale(1.1)rotate(-5deg)}.dropzone-title{color:#fff;margin-bottom:.5rem;font-size:1.35rem;font-weight:700}.dropzone-subtitle{color:var(--text-muted);margin-bottom:1.5rem;font-size:.95rem}.btn-upload{background:linear-gradient(135deg, var(--primary) 0%, var(--accent-purple) 100%);color:#fff;font-family:var(--font-sans);border-radius:var(--radius-md);cursor:pointer;box-shadow:0 4px 20px var(--primary-glow);border:none;align-items:center;gap:.6rem;padding:.75rem 1.75rem;font-size:.95rem;font-weight:600;transition:all .25s;display:inline-flex}.btn-upload:hover{transform:translateY(-2px);box-shadow:0 6px 24px #6366f180}.btn-sample{border:1px solid var(--border-color);color:#a5b4fc;border-radius:var(--radius-sm);cursor:pointer;background:0 0;align-items:center;gap:.5rem;margin-top:1.25rem;padding:.5rem 1.2rem;font-size:.85rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-sample:hover{color:#fff;background:#ffffff0d;border-color:#fff3}.image-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;margin-bottom:4rem;display:grid}.image-card{flex-direction:column;gap:1rem;padding:1.25rem;display:flex;position:relative;overflow:hidden}.card-preview-area{border-radius:var(--radius-md);background-color:#000;background-image:linear-gradient(45deg,#18181b 25%,#0000 25%),linear-gradient(-45deg,#18181b 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#18181b 75%),linear-gradient(-45deg,#0000 75%,#18181b 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#10b9814d}.badge-status.converting{color:#fbbf24;background:#f59e0b26;border:1px solid #f59e0b4d}.badge-ratio{font-family:var(--font-mono);color:var(--accent-cyan);background:#06b6d41a;border-radius:4px;align-items:center;gap:.25rem;padding:.2rem .5rem;font-size:.8rem;font-weight:600;display:inline-flex}.card-actions{gap:.5rem;margin-top:auto;display:flex}.btn-card-action{border:1px solid var(--border-color);color:var(--text-main);font-family:var(--font-sans);border-radius:var(--radius-sm);cursor:pointer;background:#ffffff0d;flex:1;justify-content:center;align-items:center;gap:.4rem;padding:.55rem;font-size:.85rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-card-action:hover{background:#ffffff1f;border-color:#ffffff40}.btn-card-action.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-card-action.primary:hover{background:var(--primary-hover)}.btn-icon-only{color:#f87171;border-radius:var(--radius-sm);cursor:pointer;background:#ef44441a;border:1px solid #ef444440;justify-content:center;align-items:center;width:36px;height:36px;padding:.55rem;transition:all .2s;display:flex}.btn-icon-only:hover{color:#fff;background:#ef444440}.batch-bar-sticky{z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-xl);background:#0f172ae6;border:1px solid #6366f14d;justify-content:space-between;align-items:center;gap:1rem;width:calc(100% - 3rem);max-width:900px;padding:1rem 1.5rem;display:flex;position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%);box-shadow:0 20px 40px #0009,0 0 20px #6366f133}.batch-stats{align-items:center;gap:1.25rem;display:flex}.stat-item{flex-direction:column;display:flex}.stat-label{color:var(--text-muted);text-transform:uppercase;font-size:.75rem}.stat-value{font-family:var(--font-mono);color:#fff;font-size:1rem;font-weight:700}.batch-btn-group{align-items:center;gap:.75rem;display:flex}.btn-batch-download{background:linear-gradient(135deg, var(--success) 0%, #059669 100%);color:#fff;font-family:var(--font-sans);border-radius:var(--radius-md);cursor:pointer;border:none;align-items:center;gap:.5rem;padding:.7rem 1.4rem;font-size:.9rem;font-weight:700;transition:all .2s;display:inline-flex;box-shadow:0 4px 15px #10b9814d}.btn-batch-download:hover{transform:translateY(-2px);box-shadow:0 6px 20px #10b98180}.modal-overlay{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:1000;background:#000000d9;justify-content:center;align-items:center;padding:2rem;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-dark);border:1px solid var(--border-color);border-radius:var(--radius-xl);width:100%;max-width:1100px;max-height:90vh;box-shadow:var(--shadow-card);flex-direction:column;display:flex;overflow:hidden}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:1.25rem 1.75rem;display:flex}.modal-title{color:#fff;font-size:1.25rem;font-weight:700}.comparer-wrapper{-webkit-user-select:none;user-select:none;background-color:#000;background-image:linear-gradient(45deg,#18181b 25%,#0000 25%),linear-gradient(-45deg,#18181b 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#18181b 75%),linear-gradient(-45deg,#0000 75%,#18181b 75%);background-position:0 0,0 10px,10px -10px,-10px 0;background-repeat:repeat;background-size:20px 20px;background-attachment:scroll;background-origin:padding-box;background-clip:border-box;flex:1;justify-content:center;align-items:center;min-height:450px;display:flex;position:relative;overflow:hidden}.comparer-slider-handle{cursor:ew-resize;z-index:10;background:#fff;width:4px;position:absolute;top:0;bottom:0;box-shadow:0 0 10px #000c}.comparer-handle-knob{color:#000;background:#fff;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-weight:800;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 4px 15px #00000080}.comparer-label{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;z-index:5;background:#000000b3;border:1px solid #fff3;border-radius:6px;padding:.3rem .8rem;font-size:.8rem;font-weight:700;position:absolute;top:1rem}.seo-article-container{flex-direction:column;gap:2rem;margin-top:5rem;display:flex}.seo-section-card{padding:2.5rem}.margin-top-lg{margin-top:1rem}.seo-heading-primary{color:#fff;letter-spacing:-.02em;align-items:center;gap:.75rem;margin-bottom:1rem;font-size:1.75rem;font-weight:800;display:flex}.icon-glow{color:var(--primary);filter:drop-shadow(0 0 8px var(--primary-glow))}.seo-lead-text{color:var(--text-muted);max-width:900px;margin-bottom:2rem;font-size:1.05rem;line-height:1.7}.seo-grid-3col{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;display:grid}.seo-feature-box{border:1px solid var(--border-color);border-radius:var(--radius-md);background:#0000004d;padding:1.5rem;transition:transform .2s,border-color .2s}.seo-feature-box:hover{border-color:#6366f166;transform:translateY(-3px)}.seo-box-icon{border-radius:var(--radius-sm);width:44px;height:44px;color:var(--primary);background:#6366f11f;justify-content:center;align-items:center;margin-bottom:1rem;display:flex}.seo-feature-box h3{color:#fff;margin-bottom:.5rem;font-size:1.1rem;font-weight:700}.seo-feature-box p{color:var(--text-muted);font-size:.9rem;line-height:1.6}.seo-table-wrapper{overflow-x:auto}.seo-comparison-table{border-collapse:collapse;text-align:left;width:100%;font-size:.95rem}.seo-comparison-table th,.seo-comparison-table td{border-bottom:1px solid var(--border-color);padding:1rem 1.25rem}.seo-comparison-table th{color:#fff;text-transform:uppercase;letter-spacing:.05em;background:#0006;font-size:.8rem;font-weight:700}.seo-comparison-table td{color:var(--text-muted)}.badge-tech{font-family:var(--font-mono);border-radius:4px;padding:.2rem .6rem;font-size:.8rem;font-weight:600}.badge-tech.green{color:#34d399;background:#10b98126}.badge-tech.blue{color:#38bdf8;background:#06b6d426}.seo-steps-list{flex-direction:column;gap:1.5rem;list-style:none;display:flex}.seo-step-item{border-radius:var(--radius-md);border:1px solid var(--border-color);background:#0003;align-items:flex-start;gap:1.25rem;padding:1.25rem 1.5rem;display:flex}.step-number{background:linear-gradient(135deg, var(--primary) 0%, var(--accent-purple) 100%);color:#fff;width:40px;min-width:40px;height:40px;box-shadow:0 4px 12px var(--primary-glow);border-radius:50%;justify-content:center;align-items:center;font-size:1.1rem;font-weight:800;display:flex}.seo-step-item h3{color:#fff;margin-bottom:.35rem;font-size:1.1rem;font-weight:700}.seo-step-item p{color:var(--text-muted);font-size:.92rem;line-height:1.5}.seo-faq-accordion{flex-direction:column;gap:1rem;display:flex}.faq-item{border:1px solid var(--border-color);border-radius:var(--radius-md);background:#0000004d;transition:border-color .2s;overflow:hidden}.faq-item[open]{background:#121826e6;border-color:#6366f166}.faq-question{color:#fff;cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;font-size:1.05rem;font-weight:700;list-style:none;display:flex}.faq-question::-webkit-details-marker{display:none}.faq-question:after{content:"+";color:var(--primary);font-size:1.4rem;font-weight:400;transition:transform .2s}.faq-item[open] .faq-question:after{content:"−"}.faq-answer{color:var(--text-muted);border-top:1px solid #ffffff0d;margin-top:.25rem;padding:1rem 1.5rem 1.25rem;font-size:.95rem;line-height:1.65}.app-footer{border-top:1px solid var(--border-color);margin-top:6rem;padding-top:3rem}.footer-content{flex-wrap:wrap;justify-content:space-between;gap:2.5rem;margin-bottom:2.5rem;display:flex}.footer-brand{max-width:380px}.footer-logo{color:#fff;align-items:center;gap:.6rem;margin-bottom:.75rem;font-size:1.25rem;font-weight:800;display:flex}.footer-desc{color:var(--text-muted);font-size:.9rem;line-height:1.6}.footer-links-group{gap:4rem;display:flex}.footer-col h4{color:#fff;text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem;font-size:.85rem;font-weight:700}.footer-col ul{flex-direction:column;gap:.6rem;list-style:none;display:flex}.footer-col a{color:var(--text-muted);font-size:.9rem;text-decoration:none;transition:color .2s}.footer-col a:hover{color:#fff}.footer-bottom{color:var(--text-dim);border-top:1px solid #ffffff0d;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding-top:1.5rem;font-size:.85rem;display:flex}.privacy-badge-footer{color:var(--text-muted);align-items:center;gap:.5rem;display:flex}@media (width<=768px){.hero-title{font-size:2.2rem}.settings-grid{grid-template-columns:1fr}.batch-bar-sticky{flex-direction:column;align-items:stretch;width:calc(100% - 1rem);bottom:.5rem}.footer-links-group{gap:2rem}}