:root{--primary: #4f46e5;--primary-hover: #4338ca;--primary-light: #eef2ff;--primary-border: #c7d2fe;--primary-dark: #3730a3;--accent: #06b6d4;--success: #10b981;--success-bg: #ecfdf5;--success-border: #a7f3d0;--danger: #ef4444;--danger-bg: #fef2f2;--danger-border: #fecaca;--warning: #f59e0b;--warning-bg: #fffbeb;--warning-border: #fde68a;--bg-page: #f8fafc;--bg-card: #ffffff;--bg-card-hover: #f1f5f9;--bg-subtle: #f8fafc;--border: #e2e8f0;--border-strong: #cbd5e1;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--radius-lg: 16px;--radius-md: 12px;--radius-sm: 8px;--radius-xs: 4px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--transition: all .18s cubic-bezier(.4, 0, .2, 1);--max-width: 960px;--header-height: 64px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:15px;line-height:1.5;color:var(--text-primary);background:var(--bg-page);-webkit-font-smoothing:antialiased}.skip-link{position:absolute;top:-100px;left:8px;background:var(--primary);color:#fff;padding:8px 16px;border-radius:var(--radius-sm);z-index:1000;text-decoration:none;font-weight:600}.skip-link:focus{top:8px}.app{min-height:100vh;display:flex;flex-direction:column}.site-header{position:sticky;top:0;z-index:100;background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);height:var(--header-height);display:flex;align-items:center}.site-header-inner{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between}.site-logo{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:1.25rem;color:var(--text-primary);text-decoration:none;letter-spacing:-.02em}.site-logo-icon{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:900;box-shadow:0 2px 4px #4f46e540}.site-logo span{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.site-logo .badge-site{font-size:.68rem;font-weight:700;text-transform:uppercase;padding:2px 6px;background:var(--primary-light);color:var(--primary);border-radius:9999px;margin-left:4px;letter-spacing:.05em;-webkit-text-fill-color:var(--primary)}.lang-picker{display:flex;gap:4px;background:var(--bg-subtle);padding:3px;border-radius:var(--radius-sm);border:1px solid var(--border)}.lang-btn{background:transparent;border:none;padding:4px 8px;font-size:.8125rem;border-radius:6px;cursor:pointer;color:var(--text-secondary);font-weight:600;transition:var(--transition)}.lang-btn:hover{color:var(--text-primary)}.lang-btn[aria-current=true]{color:var(--primary);background:var(--bg-card);box-shadow:var(--shadow-sm)}.app-main{flex:1;width:100%;max-width:var(--max-width);margin:0 auto;padding:28px 20px 60px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;font-size:.9375rem;font-weight:600;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;text-decoration:none;transition:var(--transition);user-select:none}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-hover) 100%);color:#fff;box-shadow:0 2px 4px #4f46e533}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 8px #4f46e54d}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border-color:var(--border-strong);box-shadow:var(--shadow-sm)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--text-muted)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{color:var(--text-primary);background:var(--bg-subtle)}.btn-danger-ghost{background:transparent;color:var(--danger)}.btn-danger-ghost:hover{background:var(--danger-bg)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}.site-footer{margin-top:auto;background:var(--bg-card);border-top:1px solid var(--border);padding:32px 20px;color:var(--text-secondary);font-size:.875rem}.site-footer-inner{max-width:var(--max-width);margin:0 auto;display:flex;flex-direction:column;gap:16px;align-items:center;text-align:center}@media(min-width:640px){.site-footer-inner{flex-direction:row;justify-content:space-between;text-align:left}}.footer-nav{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}.site-footer a{color:var(--text-secondary);text-decoration:underline;text-underline-offset:3px;font-weight:500;transition:var(--transition)}.site-footer a:hover{color:var(--primary)}.footer-nav a{text-decoration:none}.footer-nav a:hover{color:var(--primary)}.footer-privacy-badge{display:inline-flex;align-items:center;gap:6px;font-size:.8125rem;color:var(--success);font-weight:600}.toast-container{position:fixed;bottom:24px;right:24px;z-index:1000;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{padding:12px 16px;background:#1e293b;color:#fff;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;box-shadow:var(--shadow-lg);pointer-events:auto;display:flex;align-items:center;gap:8px;animation:toastIn .2s cubic-bezier(.16,1,.3,1);max-width:360px}.toast.toast-success{background:#065f46;border-left:4px solid #10b981}.toast.toast-error{background:#7f1d1d;border-left:4px solid #ef4444}@keyframes toastIn{0%{opacity:0;transform:translateY(12px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.app-main{padding:32px 20px 64px;max-width:var(--max-width);margin:0 auto}.hero{text-align:center;margin-bottom:32px}.hero-title{font-size:2rem;font-weight:800;letter-spacing:-.03em;color:var(--text-primary);line-height:1.2}@media(min-width:640px){.hero-title{font-size:2.5rem}}.hero-title-highlight{color:var(--primary);background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-subtitle{font-size:1rem;color:var(--text-secondary);max-width:640px;margin:10px auto 0;line-height:1.6}.privacy-pill{display:inline-flex;align-items:center;gap:6px;background:var(--success-bg);border:1px solid var(--success-border);color:var(--success);font-size:.8125rem;font-weight:600;padding:5px 12px;border-radius:9999px;margin-top:14px}.dropzone-container{margin-bottom:24px}.dropzone{border:2px dashed var(--border-strong);border-radius:var(--radius-lg);padding:48px 24px;text-align:center;background:var(--bg-card);transition:var(--transition);cursor:pointer;box-shadow:var(--shadow-sm)}.dropzone:hover,.dropzone.dragover{border-color:var(--primary);background:var(--primary-light);transform:translateY(-1px);box-shadow:var(--shadow-md)}.dropzone-icon{width:56px;height:56px;border-radius:14px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.dropzone-icon svg{width:28px;height:28px;stroke:currentColor}.dropzone-title{font-size:1.125rem;font-weight:700;color:var(--text-primary);margin-bottom:6px}.dropzone-desc{font-size:.875rem;color:var(--text-secondary);margin-bottom:20px}.dropzone-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.workspace{display:flex;flex-direction:column;gap:24px}.workspace-hidden{display:none!important}.presets-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);flex-wrap:wrap}.presets-label{font-size:.8125rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;margin-right:4px}.preset-pill{padding:6px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-main);color:var(--text-primary);font-size:.8125rem;font-weight:500;cursor:pointer;transition:var(--transition)}.preset-pill:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.workspace-grid{display:grid;grid-template-columns:1fr;gap:24px}@media(min-width:900px){.workspace-grid{grid-template-columns:360px 1fr;align-items:start}}.controls-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden}.controls-tabs{display:flex;border-bottom:1px solid var(--border);background:var(--bg-subtle);overflow-x:auto}.controls-tab-btn{flex:1;min-width:70px;padding:12px 8px;background:none;border:none;border-bottom:2px solid transparent;font-size:.8125rem;font-weight:600;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:var(--transition);white-space:nowrap}.controls-tab-btn:hover{color:var(--primary)}.controls-tab-btn.active{color:var(--primary);background:var(--bg-card);border-bottom-color:var(--primary)}.controls-tab-btn svg{width:16px;height:16px;stroke:currentColor}.controls-body{padding:20px}.controls-panel{display:none}.controls-panel.active{display:block}.field{margin-bottom:16px}.field:last-child{margin-bottom:0}.field-label{display:flex;justify-content:space-between;align-items:center;font-size:.8125rem;font-weight:600;color:var(--text-primary);margin-bottom:6px}.field-value-badge{font-size:.75rem;font-weight:500;color:var(--text-secondary);background:var(--bg-subtle);padding:2px 6px;border-radius:var(--radius-xs);border:1px solid var(--border)}.field-hint{font-size:.75rem;color:var(--text-secondary);margin-top:4px;line-height:1.4}.input-text,.select-input{width:100%;padding:8px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-card);color:var(--text-primary);font-size:.875rem;font-family:inherit;transition:var(--transition)}.input-text:focus,.select-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);outline:none}.range-slider{width:100%;height:6px;accent-color:var(--primary);cursor:pointer}.token-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.token-tag{padding:3px 8px;background:var(--primary-light);color:var(--primary);border:1px solid var(--primary-border);border-radius:var(--radius-xs);font-size:.75rem;font-family:ui-monospace,SFMono-Regular,monospace;font-weight:600;cursor:pointer;transition:var(--transition)}.token-tag:hover{background:var(--primary);color:#fff}.grid-9{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;width:120px;margin:6px 0}.grid-9-btn{aspect-ratio:1;border:1px solid var(--border);background:var(--bg-subtle);border-radius:var(--radius-xs);cursor:pointer;transition:var(--transition)}.grid-9-btn:hover{background:var(--primary-light);border-color:var(--primary-border)}.grid-9-btn.active{background:var(--primary);border-color:var(--primary-dark)}.swatches{display:flex;align-items:center;gap:8px;margin-top:6px}.swatch-btn{width:24px;height:24px;border-radius:50%;border:2px solid var(--border);cursor:pointer;transition:var(--transition)}.swatch-btn.active{transform:scale(1.15);border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-light)}.preview-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;overflow:hidden}.preview-header{padding:12px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;background:var(--bg-subtle)}.preview-title{font-size:.875rem;font-weight:700;color:var(--text-primary)}.preview-viewport{padding:24px;background:repeating-conic-gradient(#f1f5f9 0% 25%,#fff 0% 50%) 50% / 16px 16px;display:flex;align-items:center;justify-content:center;min-height:380px;overflow:hidden;position:relative}.preview-canvas{max-width:100%;max-height:480px;height:auto;border-radius:var(--radius-sm);box-shadow:var(--shadow-md)}.thumbs-strip{display:flex;gap:8px;padding:12px 16px;overflow-x:auto;border-top:1px solid var(--border);background:var(--bg-card)}.thumb-item{width:64px;height:64px;border-radius:var(--radius-sm);border:2px solid var(--border);position:relative;cursor:pointer;flex-shrink:0;overflow:hidden;transition:var(--transition)}.thumb-item img{width:100%;height:100%;object-fit:cover}.thumb-item.active{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-light)}.thumb-remove{position:absolute;top:2px;right:2px;width:18px;height:18px;border-radius:50%;background:#0009;color:#fff;border:none;display:flex;align-items:center;justify-content:center;font-size:11px;cursor:pointer;line-height:1}.thumb-remove:hover{background:var(--danger)}.action-card{padding:16px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}.action-buttons{display:flex;flex-wrap:wrap;gap:10px}.progress-container{width:100%;background:var(--bg-subtle);border-radius:var(--radius-xs);height:8px;overflow:hidden;margin-top:8px;border:1px solid var(--border)}.progress-bar{height:100%;background:var(--primary);width:0%;transition:width .2s ease}.features-section{margin-top:56px}.section-title{text-align:center;font-size:1.5rem;font-weight:800;letter-spacing:-.02em;margin-bottom:28px;color:var(--text-primary)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:8px}.feature-card-icon{width:40px;height:40px;border-radius:10px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:8px;flex-shrink:0}.feature-card-icon svg{width:20px;height:20px;stroke:currentColor}.feature-card-title{font-size:1rem;font-weight:700;color:var(--text-primary)}.feature-card-desc{font-size:.875rem;color:var(--text-secondary);line-height:1.5}.share-section{max-width:var(--max-width);margin:40px auto 0;padding:20px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:16px;text-align:center}@media(min-width:640px){.share-section{flex-direction:row;text-align:left}}.share-content{display:flex;flex-direction:column;gap:4px}.share-title{font-size:.9375rem;font-weight:700;color:var(--text-primary)}.share-desc{font-size:.8125rem;color:var(--text-secondary)}.share-buttons{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-main);color:var(--text-primary);font-size:.8125rem;font-weight:500;cursor:pointer;text-decoration:none;transition:var(--transition)}.share-btn:hover{background:var(--bg-card);border-color:var(--primary);color:var(--primary);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.share-btn svg{width:15px;height:15px;stroke:currentColor;fill:none;flex-shrink:0}.faq-section{margin-top:48px}.faq-list{display:flex;flex-direction:column;gap:12px;width:100%}.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}.faq-question{width:100%;padding:16px 20px;background:none;border:none;display:flex;justify-content:space-between;align-items:center;font-size:.9375rem;font-weight:600;color:var(--text-primary);cursor:pointer;text-align:left}.faq-question:hover{background:var(--bg-subtle)}.faq-answer{padding:0 20px 16px;font-size:.875rem;color:var(--text-secondary);line-height:1.6}.legal-container{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px 32px;box-shadow:var(--shadow-sm);max-width:800px;margin:0 auto}.legal-header{border-bottom:1px solid var(--border);padding-bottom:20px;margin-bottom:28px}.legal-title{font-size:1.875rem;font-weight:800;letter-spacing:-.02em;color:var(--text-primary);margin-bottom:8px}.legal-updated{font-size:.8125rem;color:var(--text-muted)}.legal-content{font-size:.9375rem;line-height:1.7;color:var(--text-secondary)}.legal-content h2{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-top:28px;margin-bottom:12px}.legal-content h3{font-size:1.0625rem;font-weight:600;color:var(--text-primary);margin-top:20px;margin-bottom:8px}.legal-content p{margin-bottom:16px}.legal-content ul,.legal-content ol{margin-bottom:16px;padding-left:24px}.legal-content li{margin-bottom:6px}.legal-content a{color:var(--primary);text-decoration:underline}.legal-highlight-box{background:var(--primary-light);border-left:4px solid var(--primary);padding:16px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:20px 0;color:var(--text-primary)}