:root{--bg-primary:#f8fafc;--bg-secondary:#ffffff;--bg-tertiary:#f9fafb;--text-primary:#333333;--text-secondary:#6b7280;--text-tertiary:#9ca3af;--border-color:#d1d5db;--border-light:#e5e7eb;--accent-primary:#2563eb;--accent-hover:#1d4ed8;--accent-light:#dbeafe;--shadow-sm:rgba(0, 0, 0, 0.1);--shadow-md:rgba(0, 0, 0, 0.15);--shadow-lg:rgba(0, 0, 0, 0.2);--card-bg:#ffffff;--input-bg:#ffffff;--success:#10b981;--error:#ef4444;--warning:#f59e0b;--featured-bg-start:#fef3c7;--featured-bg-end:#fed7aa;--featured-border:#f59e0b;--featured-border-hover:#d97706;--featured-badge-bg:#fbbf24;--featured-badge-text:#92400e}[data-theme=dark]{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--text-primary:#f1f5f9;--text-secondary:#cbd5e1;--text-tertiary:#94a3b8;--border-color:#334155;--border-light:#475569;--accent-primary:#3b82f6;--accent-hover:#2563eb;--accent-light:#1e3a8a;--shadow-sm:rgba(0, 0, 0, 0.3);--shadow-md:rgba(0, 0, 0, 0.4);--shadow-lg:rgba(0, 0, 0, 0.5);--card-bg:#1e293b;--input-bg:#334155;--success:#22c55e;--error:#f87171;--warning:#fbbf24;--featured-bg-start:#1e3a8a;--featured-bg-end:#1e40af;--featured-border:#3b82f6;--featured-border-hover:#60a5fa;--featured-badge-bg:#3b82f6;--featured-badge-text:#dbeafe}html:not(.no-transitions) *{transition:background-color .3s ease,color .3s ease,border-color .3s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{background:var(--bg-secondary);box-shadow:0 2px 10px var(--shadow-sm);position:sticky;top:0;z-index:100}.nav-container{display:flex;justify-content:space-between;align-items:center;padding:1rem 20px;max-width:1200px;margin:0 auto}.nav-brand .brand-title,.nav-brand h1{font-size:1.5rem;font-weight:700;color:var(--accent-primary);margin-bottom:.2rem}.tagline{font-size:.8rem;color:var(--text-secondary);font-weight:400}.nav-menu{display:flex;gap:2rem}.nav-link{text-decoration:none;color:var(--text-secondary);font-weight:500;padding:.5rem 1rem;border-radius:8px;transition:all .2s}.nav-link.active,.nav-link:hover{background-color:var(--accent-light);color:var(--accent-primary)}.nav-actions{display:flex;align-items:center;gap:.5rem}.mobile-menu-btn{background:0 0;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-secondary);display:none}.theme-toggle{background:var(--bg-tertiary);border:2px solid var(--border-color);border-radius:50%;width:42px;height:42px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.2rem;transition:all .3s ease}.theme-toggle:hover{background:var(--accent-light);border-color:var(--accent-primary);transform:rotate(180deg)}.theme-icon{display:inline-block;transition:transform .3s ease}.hero{background:linear-gradient(135deg,#667eea 0,#764ba2 100%);color:#fff;padding:4rem 0;text-align:center}.hero-title{font-size:3rem;font-weight:700;margin-bottom:1rem;line-height:1.2}.hero-subtitle{font-size:1.2rem;margin-bottom:2rem;opacity:.9;max-width:600px;margin-left:auto;margin-right:auto}.search-container{max-width:500px;margin:0 auto 2rem auto;display:flex;background:var(--card-bg);border-radius:50px;padding:8px;box-shadow:0 4px 20px var(--shadow-sm);position:relative}.search-input{flex:1;border:none;padding:1rem 1.5rem;font-size:1rem;border-radius:50px;outline:0;color:var(--text-primary);background:0 0}.search-input::placeholder{color:var(--text-tertiary)}.search-clear-btn{background:0 0;border:none;padding:.5rem 1rem;color:var(--text-tertiary);cursor:pointer;font-size:1.2rem;transition:color .2s;display:none}.search-clear-btn:hover{color:var(--error)}.search-btn{background:var(--accent-primary);border:none;padding:1rem 1.5rem;border-radius:50px;color:#fff;cursor:pointer;font-size:1rem;transition:background .2s}.search-btn:hover{background:var(--accent-hover)}.ad-banner{margin:2rem auto;text-align:center}.ad-placeholder{background:#f3f4f6;border:2px dashed #d1d5db;padding:2rem;border-radius:8px;color:#6b7280;font-weight:500;max-width:728px;height:90px;display:flex;align-items:center;justify-content:center;margin:0 auto}.hero-ad .ad-placeholder{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:rgba(255,255,255,.8)}.tools-section{padding:4rem 0}.tools-grid{display:grid;gap:3rem}.tool-category{background:#fff;border-radius:16px;padding:2rem;box-shadow:0 4px 20px rgba(0,0,0,.08)}.category-title{font-size:1.5rem;font-weight:600;margin-bottom:1.5rem;color:#1f2937}.tool-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.tool-card{display:block;background:var(--card-bg);border-radius:12px;padding:1.5rem;text-decoration:none;color:inherit;transition:all .3s ease;border:2px solid transparent;position:relative;overflow:hidden}.tool-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px var(--shadow-md);border-color:var(--border-light)}.tool-card.search-highlight{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-light);animation:pulse-highlight 1.5s ease-in-out}@keyframes pulse-highlight{0%,100%{box-shadow:0 0 0 3px rgba(37,99,235,.1)}50%{box-shadow:0 0 0 6px rgba(37,99,235,.2)}}.tool-card.featured{background:linear-gradient(135deg,var(--featured-bg-start) 0,var(--featured-bg-end) 100%);border-color:var(--featured-border)}.tool-card.featured:hover{border-color:var(--featured-border-hover)}.tool-card.coming-soon{opacity:.6;cursor:default;background:var(--bg-tertiary)}.tool-card.coming-soon:hover{transform:none;box-shadow:none}.tool-icon{font-size:2.5rem;margin-bottom:1rem;display:block}.tool-card h3{font-size:1.25rem;font-weight:600;margin-bottom:.5rem;color:var(--text-primary)}.tool-card p{color:var(--text-secondary);margin-bottom:1rem;line-height:1.5}.popularity{display:inline-block;background:var(--accent-light);color:var(--accent-primary);padding:.25rem .75rem;border-radius:20px;font-size:.8rem;font-weight:500}.tool-card.featured .popularity{background:var(--featured-badge-bg);color:var(--featured-badge-text)}.tool-card.coming-soon .popularity{background:var(--border-light);color:var(--text-secondary)}.features-section{background:var(--bg-secondary);padding:4rem 0}.section-title{text-align:center;font-size:2.5rem;font-weight:700;margin-bottom:3rem;color:var(--text-primary)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.feature{text-align:center;padding:2rem;border-radius:12px;background:var(--card-bg);border:1px solid var(--border-light)}.feature-icon{font-size:3rem;margin-bottom:1rem}.feature h3{font-size:1.25rem;font-weight:600;margin-bottom:1rem;color:var(--text-primary)}.feature p{color:var(--text-secondary);line-height:1.6}.footer{background:var(--bg-secondary);color:var(--text-secondary);padding:3rem 0 1rem 0;border-top:1px solid var(--border-color)}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.footer-section h3{color:var(--accent-primary);margin-bottom:1rem;font-size:1.25rem}.footer-section h4{color:var(--text-primary);margin-bottom:1rem;font-weight:600}.footer-section p{line-height:1.6;margin-bottom:1rem}.footer-links{list-style:none}.footer-links li{margin-bottom:.5rem}.footer-links a{color:var(--text-secondary);text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--accent-primary)}.social-links{display:flex;gap:1rem;margin-top:1rem}.social-link{color:var(--text-secondary);text-decoration:none;padding:.5rem;border-radius:6px;background:var(--bg-tertiary);transition:all .2s}.social-link:hover{background:var(--accent-light);color:var(--accent-primary)}.footer-bottom{border-top:1px solid var(--border-color);padding-top:2rem;text-align:center;color:var(--text-tertiary)}@media (max-width:768px){.nav-menu{display:none}.mobile-menu-btn{display:block}.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.search-container{margin:0 1rem 2rem 1rem}.tool-cards{grid-template-columns:1fr}.features-grid{grid-template-columns:1fr}.section-title{font-size:2rem}.container{padding:0 1rem}}@media (max-width:480px){.hero{padding:2rem 0}.hero-title{font-size:1.75rem}.tool-category{padding:1.5rem}.tool-card{padding:1.25rem}}