:root{--max-width: 1440px;--page-padding-mobile: 1rem;--page-padding-desktop: 1.75rem;--background-color: #090d16;--surface-color: #111726;--surface-elevated: #182032;--surface-glass: rgba(17, 23, 38, .75);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-color: #3b82f6;--accent-hover: #2563eb;--accent-glow: rgba(59, 130, 246, .35);--accent-purple: #8b5cf6;--accent-pink: #ec4899;--success-color: #10b981;--danger-color: #ef4444;--gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);--gradient-accent: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);--gradient-card-glow: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);--gradient-hero: linear-gradient(180deg, rgba(59, 130, 246, .12) 0%, rgba(139, 92, 246, .04) 50%, transparent 100%);--header-background: rgba(9, 13, 22, .82);--tool-card-background: rgba(17, 23, 38, .65);--tool-card-border: rgba(255, 255, 255, .08);--tool-card-hover-border: rgba(59, 130, 246, .45);--tool-card-hover: rgba(24, 32, 50, .85);--glass-bg: rgba(17, 23, 38, .55);--glass-border: rgba(255, 255, 255, .08);--glass-shadow: 0 16px 40px 0 rgba(0, 0, 0, .45);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .25);--shadow-md: 0 8px 24px rgba(0, 0, 0, .35);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .5);--shadow-glow: 0 0 30px var(--accent-glow);--soft-box-shadow: 0 4px 14px rgba(0, 0, 0, .4);--card-hover-box-shadow: 0 20px 40px rgba(0, 0, 0, .6);--space-2xs: 4px;--space-xs: 8px;--space-sm: 12px;--space-md: 16px;--space-lg: 20px;--space-xl: 24px;--space-2xl: 32px;--space-3xl: 48px;--space-4xl: 64px;--space-5xl: 96px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Roboto Mono", Consolas, Monaco, monospace;--primary-color: var(--accent-color);--primary-light: rgba(59, 130, 246, .12);--transition-fast: .15s cubic-bezier(.16, 1, .3, 1);--transition-normal: .25s cubic-bezier(.16, 1, .3, 1);--transition-slow: .4s cubic-bezier(.16, 1, .3, 1);--ease-out-back: cubic-bezier(.34, 1.56, .64, 1);--ease-smooth: cubic-bezier(.16, 1, .3, 1);--ad-placeholder-bg: rgba(17, 23, 38, .5);--ad-placeholder-border: rgba(255, 255, 255, .08)}[data-theme=light]{--background-color: #f8fafc;--surface-color: #ffffff;--surface-elevated: #f1f5f9;--surface-glass: rgba(255, 255, 255, .85);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--accent-color: #2563eb;--accent-hover: #1d4ed8;--accent-glow: rgba(37, 99, 235, .25);--accent-purple: #7c3aed;--accent-pink: #db2777;--success-color: #059669;--danger-color: #dc2626;--gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #db2777 100%);--gradient-accent: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);--gradient-card-glow: linear-gradient(90deg, #2563eb, #7c3aed, #db2777);--gradient-hero: linear-gradient(180deg, rgba(37, 99, 235, .08) 0%, rgba(124, 58, 237, .03) 50%, transparent 100%);--header-background: rgba(255, 255, 255, .85);--tool-card-background: rgba(255, 255, 255, .9);--tool-card-border: rgba(226, 232, 240, 1);--tool-card-hover-border: rgba(37, 99, 235, .4);--tool-card-hover: rgba(248, 250, 252, 1);--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(0, 0, 0, .08);--glass-shadow: 0 16px 40px 0 rgba(31, 38, 135, .08);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .06);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .1);--shadow-glow: 0 0 30px var(--accent-glow);--soft-box-shadow: 0 4px 14px rgba(0, 0, 0, .05);--card-hover-box-shadow: 0 20px 40px rgba(37, 99, 235, .12);--ad-placeholder-bg: rgba(241, 245, 249, .8);--ad-placeholder-border: rgba(226, 232, 240, 1)}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;max-width:100%;overflow-x:hidden;margin:0;padding:0;position:relative}#app,main,.app-header,.app-footer,#seo-content-silo{width:100%;max-width:100%;box-sizing:border-box}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--text-primary);line-height:1.7;transition:background-color var(--transition-slow),color var(--transition-slow);overflow-x:hidden}main{max-width:var(--max-width, 1440px);margin:0 auto;padding:0 1.5rem;position:relative;z-index:1;width:100%}@media (max-width: 768px){main{padding:0 1rem}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes pulseGlow{0%{box-shadow:0 0 15px var(--accent-glow)}50%{box-shadow:0 0 25px var(--accent-glow)}to{box-shadow:0 0 15px var(--accent-glow)}}@keyframes float1{0%,to{transform:translate(0) rotate(0)}25%{transform:translate(50px,-50px) rotate(45deg)}50%{transform:translate(100px) 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var(--accent-glow)}.search-icon{position:absolute;left:12px;font-size:1rem;pointer-events:none;opacity:.6}.search-shortcut{position:absolute;right:10px;font-size:.7rem;background:var(--surface-elevated);padding:2px 6px;border-radius:4px;border:1px solid var(--tool-card-border);color:var(--text-secondary);pointer-events:none}.theme-toggle-btn{background:var(--surface-elevated);border:1px solid var(--tool-card-border);color:var(--text-primary);padding:.6rem 1rem;border-radius:8px;cursor:pointer;font-weight:600;transition:all var(--transition-normal);display:flex;align-items:center;gap:.5rem}.theme-toggle-btn:hover{background-color:var(--tool-card-hover);border-color:var(--text-secondary)}.drawer-header,.drawer-search-container,.ios-theme-container,.drawer-cta-container,.drawer-footer,.mobile-search-icon-btn{display:none}.desktop-search-only{display:flex}.desktop-theme-only{display:block}.mobile-header-controls{display:flex;align-items:center;gap:.8rem}.mobile-search-btn{display:none;align-items:center;justify-content:center;background:transparent;border:none;font-size:1.2rem;cursor:pointer;padding:.4rem;min-width:44px;min-height:44px;border-radius:8px;color:var(--text-primary);transition:background-color var(--transition-fast)}.mobile-search-overlay{display:none;position:fixed;top:0;left:0;width:100vw;width:100%;height:100vh;height:100dvh;background:#0009;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:200;opacity:0;pointer-events:none;transition:opacity .25s ease;align-items:flex-start;padding:1rem}.mobile-search-box{width:100%;max-width:600px;margin:.5rem auto 0;background:var(--surface-color);border:1px solid var(--tool-card-border);border-radius:12px;padding:.6rem 1rem;display:flex;align-items:center;gap:.8rem;box-shadow:0 10px 30px #0000004d}.mobile-search-box input{flex:1;border:none;outline:none;background:transparent;color:var(--text-primary);font-size:1rem;font-family:inherit}.close-search-btn{background:none;border:none;font-size:1.2rem;color:var(--text-secondary);cursor:pointer;padding:.3rem;display:flex;align-items:center;justify-content:center;min-width:36px;min-height:36px}.hamburger-menu{display:none;flex-direction:column;gap:5px;cursor:pointer;z-index:101}.hamburger-menu span{width:25px;height:3px;background-color:var(--text-primary);border-radius:3px;transition:all .3s ease-in-out}.hamburger-menu.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.mobile-nav-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#00000080;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:99;opacity:0;pointer-events:none;transition:opacity var(--transition-normal)}.mobile-nav-overlay.active{opacity:1;pointer-events:auto}.hero-section{text-align:center;padding:5rem 1rem 4rem;position:relative}.floating-shapes{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;z-index:-1;opacity:.5}.shape{position:absolute;border-radius:50%;filter:blur(60px);will-change:transform}.shape-1{width:300px;height:300px;background:#58a6ff26;top:-50px;left:10%;animation:float1 20s infinite linear}.shape-2{width:250px;height:250px;background:#ff7b7226;bottom:50px;right:10%;animation:float2 15s infinite ease-in-out}.shape-3{width:200px;height:200px;background:#3fb95026;top:40%;left:50%;animation:float1 25s infinite reverse}.hero-badge{display:inline-block;padding:.4rem 1.1rem;background:var(--surface-elevated);border:1px solid var(--tool-card-hover-border);border-radius:var(--radius-full);font-size:.85rem;font-weight:600;color:var(--accent-color);margin-bottom:1.5rem;box-shadow:0 0 20px var(--accent-glow);transition:transform var(--transition-normal)}.hero-badge:hover{transform:translateY(-2px)}.hero-content h1,.hero-content h2{font-size:3.5rem;font-weight:800;line-height:1.2;margin-bottom:1.5rem;letter-spacing:-1px}.gradient-text{background:var(--gradient-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero-content p{font-size:1.2rem;max-width:650px;margin:0 auto 2.5rem;color:var(--text-secondary)}.hero-cta{margin-bottom:4rem}.primary-btn{padding:1rem 2.5rem;font-size:1.1rem;font-weight:600;border:none;border-radius:var(--radius-md);background:var(--gradient-accent);color:#fff;cursor:pointer;box-shadow:var(--shadow-glow);transition:transform var(--transition-fast),box-shadow var(--transition-fast),background var(--transition-fast);display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.primary-btn:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 8px 25px var(--accent-glow)}.primary-btn:active{transform:translateY(0) scale(.97)}.hero-stats{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap;margin-bottom:3rem}.stat-card{display:flex;align-items:center;gap:1rem;background:var(--glass-bg);border:1px solid var(--glass-border);padding:1rem 1.5rem;border-radius:var(--radius-lg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);text-align:left;transition:transform var(--transition-normal),border-color var(--transition-normal),box-shadow var(--transition-normal)}.stat-card:hover{transform:translateY(-4px);border-color:var(--tool-card-hover-border);box-shadow:var(--shadow-md)}.stat-icon{font-size:2rem}.stat-info strong{display:block;font-size:1.1rem;color:var(--text-primary)}.stat-info span{font-size:.85rem;color:var(--text-secondary)}.category-filters{display:flex;justify-content:center;flex-wrap:wrap;gap:.8rem;margin:2rem 0 3rem}.filter-btn{background-color:var(--surface-color);color:var(--text-secondary);border:1px solid var(--tool-card-border);padding:.6rem 1.4rem;border-radius:var(--radius-full);cursor:pointer;font-weight:600;font-size:.9rem;transition:all var(--transition-fast)}.filter-btn:hover{background-color:var(--surface-elevated);color:var(--text-primary);border-color:var(--text-secondary);transform:translateY(-1px)}.filter-btn.active{background:var(--gradient-accent);color:#fff;border-color:var(--accent-color);box-shadow:0 4px 16px var(--accent-glow)}.skeleton-card{background:var(--surface-color);border:1px solid var(--tool-card-border);border-radius:var(--radius-lg);padding:1.5rem;display:flex;flex-direction:column}.skeleton{background:#1e293b;background-image:linear-gradient(90deg,#1e293b,#334155,#1e293b 80px);background-size:1000px;animation:shimmer 2s infinite linear;border-radius:4px}[data-theme=light] .skeleton{background:#e2e8f0;background-image:linear-gradient(90deg,#e2e8f0,#f1f5f9,#e2e8f0 80px)}.skeleton-header{width:40%;height:20px;margin-bottom:1.5rem;border-radius:10px}.skeleton-icon{width:50px;height:50px;border-radius:14px;margin-bottom:1rem}.skeleton-title{width:70%;height:24px;margin-bottom:.8rem}.skeleton-text{width:100%;height:16px;margin-bottom:.5rem}.skeleton-text.short{width:80%;margin-bottom:1.5rem}.skeleton-button{width:100%;height:40px;margin-top:auto;border-radius:8px}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-bottom:3rem}@media (max-width: 1280px){.tool-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width: 1024px){.tool-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 600px){.tool-grid{grid-template-columns:1fr}}.tool-card{background-color:var(--tool-card-background);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--tool-card-border);border-radius:var(--radius-lg);padding:1.5rem;display:flex;flex-direction:column;transition:transform var(--transition-normal),box-shadow var(--transition-normal),border-color var(--transition-normal);position:relative;overflow:hidden;contain:content;content-visibility:auto;contain-intrinsic-size:250px}.tool-card:hover{transform:translateY(-6px);box-shadow:var(--card-hover-box-shadow);border-color:var(--tool-card-hover-border)}.tool-card:active{transform:scale(.98)}.tool-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--gradient-card-glow);opacity:0;transition:opacity var(--transition-normal)}.tool-card:hover:before{opacity:1}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.2rem}.card-badge{font-size:.75rem;padding:.25rem .7rem;border-radius:var(--radius-full);font-weight:600}.category-badge{background-color:var(--surface-elevated);color:var(--text-secondary);border:1px solid var(--tool-card-border)}.popular-badge{background-color:#ec489926;color:#ec4899;border:1px solid rgba(236,72,153,.3)}.favorite-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:6px;border-radius:50%;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.favorite-btn:hover{background-color:var(--surface-elevated);color:#ec4899;transform:scale(1.1)}.favorite-btn.active svg{animation:heartPulse .3s var(--ease-out-back)}@keyframes heartPulse{0%{transform:scale(1)}50%{transform:scale(1.3)}to{transform:scale(1)}}.card-icon-wrapper{background:var(--surface-elevated);width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:1rem;font-size:1.8rem;border:1px solid var(--tool-card-border);transition:transform var(--transition-normal),border-color var(--transition-normal)}.tool-card:hover .card-icon-wrapper{transform:scale(1.08) rotate(4deg);border-color:var(--accent-color)}.card-body h3{font-size:1.25rem;font-weight:700;margin-bottom:.5rem;color:var(--text-primary);letter-spacing:-.02em}.card-body p{font-size:.9rem;color:var(--text-secondary);margin-bottom:1.5rem;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}.card-footer{margin-top:auto}.tool-button{width:100%;background-color:var(--surface-elevated);color:var(--text-primary);border:1px solid var(--tool-card-border);padding:.8rem;border-radius:var(--radius-md);font-size:.95rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;gap:.5rem}.tool-button:hover{background:var(--gradient-accent);color:#fff;border-color:var(--accent-color);box-shadow:0 4px 12px var(--accent-glow)}.tool-button:active{transform:scale(.98)}.tool-button svg{transition:transform var(--transition-fast)}.tool-button:hover svg{transform:translate(4px)}.no-results{grid-column:1 / -1;text-align:center;padding:3.5rem 2rem;background:linear-gradient(145deg,var(--surface-glass),var(--surface-elevated));backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:var(--radius-xl);border:1px solid var(--tool-card-border);box-shadow:var(--shadow-lg);max-width:540px;margin:2rem auto}.no-results-icon{font-size:3.5rem;margin-bottom:1rem;display:inline-block}.no-results h3{font-size:1.3rem;font-weight:700;margin-bottom:.5rem;color:var(--text-primary)}.no-results p{color:var(--text-secondary);font-size:.95rem;margin-bottom:1.5rem}.ad-placeholder{background:transparent;border:none;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:.9rem;margin:1.5rem auto;width:100%}.top-ad{max-width:728px;height:90px}.inline-ad{max-width:100%;height:120px}.footer-ad{max-width:728px;height:90px;margin-top:2rem}.modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:#0009;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);overflow:auto;padding:2rem 1rem}.modal-content{background-color:var(--surface-color);margin:1.5rem auto;padding:2.2rem;border:1px solid var(--tool-card-border);border-radius:var(--radius-xl);width:100%;max-width:720px;position:relative;box-shadow:0 25px 60px #0009,inset 0 1px #ffffff1a;animation:slideUpFade .35s cubic-bezier(.16,1,.3,1)}@keyframes slideUpFade{0%{opacity:0;transform:translateY(24px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.close-button{color:var(--text-secondary);position:absolute;top:18px;right:20px;font-size:24px;font-weight:700;cursor:pointer;background:var(--surface-elevated);border:1px solid var(--tool-card-border);width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.close-button:hover{color:var(--text-primary);border-color:var(--accent-color);transform:rotate(90deg)}.modal-content h2{margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--tool-card-border)}.modal-body label{display:block;margin-top:1rem;margin-bottom:.5rem;font-weight:500;color:var(--text-primary)}.modal-body input[type=text],.modal-body input[type=number],.modal-body input[type=file],.modal-body select,.modal-body textarea{width:100%;padding:.8rem;border:1px solid var(--tool-card-border);border-radius:8px;background-color:var(--background-color);color:var(--text-primary);font-family:inherit;transition:border-color var(--transition-fast)}.modal-body input:focus,.modal-body textarea:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 2px var(--accent-glow)}.modal-body button{margin-top:1.5rem;padding:.8rem 1.5rem;background-color:var(--accent-color);color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:600;width:100%;transition:background-color var(--transition-fast)}.modal-body button:hover{background-color:#4a91e5}.result-area{margin-top:1.5rem;padding:1rem;background-color:var(--surface-elevated);border:1px solid var(--tool-card-border);border-radius:8px;word-break:break-all}.app-footer{background-color:var(--surface-color);border-top:1px solid var(--tool-card-border);padding:4rem 1.5rem 2rem;margin-top:4rem}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 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var(--tool-card-border)}.result-area-title{font-size:1.1rem;font-weight:700;color:var(--success-color);display:flex;align-items:center;gap:.5rem;margin:0}.eeat-badge-panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.25rem;background:var(--surface-elevated);border:1px solid var(--tool-card-border);padding:1.5rem;border-radius:var(--radius-lg);margin-bottom:2.5rem;font-size:.88rem}.trust-indicator-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.25rem;margin-bottom:3rem}.trust-indicator-card{background:var(--surface-color);border:1px solid var(--tool-card-border);border-radius:var(--radius-lg);padding:1.5rem 1.25rem;text-align:center;transition:all var(--transition-normal)}.trust-indicator-card:hover{transform:translateY(-4px);border-color:var(--accent-color);box-shadow:var(--shadow-sm)}.trust-indicator-icon{font-size:2rem;display:block;margin-bottom:.6rem}.trust-indicator-title{font-size:.95rem;font-weight:700;color:var(--text-primary);display:block;margin-bottom:.2rem}.trust-indicator-desc{font-size:.82rem;color:var(--text-secondary)}.callout-box{padding:1.35rem 1.5rem;border-radius:var(--radius-lg);margin-bottom:2rem;border:1px solid var(--tool-card-border)}.callout-box.warning-box{background:#ef44440f;border-left:4px solid var(--danger-color)}.callout-box.info-box{background:#3b82f60f;border-left:4px solid var(--accent-color)}.tool-faq-section{margin-top:3rem}.tool-faq-item{margin-bottom:1rem;background:var(--surface-elevated);padding:1.25rem 1.5rem;border-radius:var(--radius-lg);border:1px solid var(--tool-card-border);transition:border-color var(--transition-fast)}.tool-faq-item[open]{border-color:var(--accent-color)}.tool-faq-summary{font-weight:700;font-size:1.02rem;cursor:pointer;color:var(--text-primary);list-style:none;display:flex;align-items:center;justify-content:space-between;gap:1rem;-webkit-user-select:none;user-select:none}.tool-faq-summary::-webkit-details-marker{display:none}.tool-faq-summary:after{content:"+";font-size:1.4rem;font-weight:400;color:var(--accent-color);transition:transform var(--transition-fast)}.tool-faq-item[open] .tool-faq-summary:after{content:"−";transform:rotate(180deg)}.tool-faq-answer{margin-top:.85rem;color:var(--text-secondary);line-height:1.6;font-size:.95rem}@media (min-width: 1024px){.tool-layout.two-column,.workspace-split{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:start}.tool-layout.two-column .tool-inputs,.workspace-split .tool-inputs{grid-column:1}.tool-layout.two-column .result-area,.tool-layout.two-column .result-box,.workspace-split .result-area{grid-column:2;margin-top:0}}@media (max-width: 600px){.live-tool-workspace,.tool-workspace-card{padding:1.25rem 1rem;margin-bottom:1.5rem;border-radius:var(--radius-lg)}.tool-actions button,.primary-button,.primary-btn,.secondary-button,.secondary-btn{width:100%}.eeat-badge-panel,.trust-indicator-grid{grid-template-columns:1fr;padding:1rem;gap:.75rem;margin-bottom:1.5rem}.tool-faq-item,.faq-item details{padding:.85rem 1rem;margin-bottom:.75rem}}