:root{--font-body:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-heading:"Outfit", -apple-system, BlinkMacSystemFont, sans-serif;--bg-primary:#0a0b10;--bg-secondary:#12141f;--bg-card:#161926b3;--bg-card-hover:#1e2234d9;--border-color:#ffffff14;--border-hover:#8b5cf666;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--accent-purple:#8b5cf6;--accent-blue:#3b82f6;--accent-pink:#ec4899;--accent-cyan:#06b6d4;--accent-gradient:linear-gradient(135deg, #8b5cf6 0%, #3b82f6 50%, #06b6d4 100%);--accent-glow:#8b5cf640;--shadow-sm:0 4px 6px -1px #0000004d;--shadow-md:0 10px 15px -3px #0006, 0 4px 6px -2px #0003;--shadow-lg:0 20px 25px -5px #00000080, 0 10px 10px -5px #0000004d;--shadow-glow:0 0 25px var(--accent-glow)}[data-theme=light]{--bg-primary:#f8fafc;--bg-secondary:#f1f5f9;--bg-card:#ffffffd9;--bg-card-hover:#fff;--border-color:#00000014;--border-hover:#8b5cf666;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--accent-glow:#8b5cf626;--shadow-sm:0 1px 3px #0000000d;--shadow-md:0 4px 6px -1px #00000014;--shadow-lg:0 10px 15px -3px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;transition:background-color .3s,color .3s;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:var(--font-body)}.app-container{flex-direction:column;min-height:100vh;display:flex}.main-content{flex:1;width:100%;max-width:1280px;margin:0 auto;padding:2rem 1.5rem}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);box-shadow:var(--shadow-md);border-radius:1rem;padding:1.5rem;transition:all .25s cubic-bezier(.4,0,.2,1)}.glass-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-lg), var(--shadow-glow)}.btn{border:none;border-radius:.75rem;outline:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex}.btn:active{transform:scale(.96)}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 15px #8b5cf64d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #8b5cf680}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-hover)}.btn-outline{color:var(--text-primary);border:1px solid var(--border-color);background:0 0}.btn-outline:hover{border-color:var(--accent-purple);color:var(--accent-purple)}.input,.textarea,.select{background:var(--bg-secondary);border:1px solid var(--border-color);width:100%;color:var(--text-primary);font-family:var(--font-body);border-radius:.75rem;padding:.75rem 1rem;font-size:.95rem;transition:border-color .2s,box-shadow .2s}.input:focus,.textarea:focus,.select:focus{border-color:var(--accent-purple);outline:none;box-shadow:0 0 0 3px #8b5cf633}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fade-in{animation:.4s ease-out forwards fadeIn}.animate-pulse{animation:2s ease-in-out infinite pulse}.animate-bounce{animation:1s ease-in-out infinite bounce}.gradient-text{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.responsive-grid-cards{grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:1.5rem;display:grid}.responsive-grid-2col{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));align-items:start;gap:2rem;display:grid}.header-container{justify-content:space-between;align-items:center;gap:1rem;max-width:1280px;margin:0 auto;padding:1rem 1.5rem;display:flex}.tool-card-box{padding:2.5rem}@media (width<=768px){.header-container{padding:.75rem 1rem}.main-content{padding:1.25rem .75rem}.glass-card,.tool-card-box{padding:1.25rem!important}h1{font-size:clamp(1.75rem,6vw,2.5rem)!important}h2{font-size:clamp(1.25rem,5vw,1.75rem)!important}.btn{padding:.65rem 1.25rem;font-size:.9rem}}@media (width<=480px){.header-subtitle{display:none!important}.tool-header{text-align:left;flex-direction:column;align-items:flex-start!important}.main-content{padding:1rem .5rem}.glass-card,.tool-card-box{border-radius:.75rem;padding:1rem!important}.input,.textarea,.select{padding:.65rem .85rem;font-size:.9rem}}