:root{--bg-primary:#0a0d14;--bg-secondary:#111722;--bg-tertiary:#182234;--bg-card:rgba(17,23,34,0.75);--bg-card-hover:rgba(24,34,52,0.85);--bg-glass:rgba(255,255,255,0.03);--border-color:rgba(255,255,255,0.08);--border-highlight:rgba(79,140,255,0.35);--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--text-accent:#38bdf8;--accent-blue:#3b82f6;--accent-cyan:#06b6d4;--accent-purple:#8b5cf6;--accent-emerald:#10b981;--accent-amber:#f59e0b;--accent-rose:#f43f5e;--gradient-primary:linear-gradient(135deg,#3b82f6,#06b6d4);--gradient-emerald:linear-gradient(135deg,#10b981,#059669);--gradient-purple:linear-gradient(135deg,#8b5cf6,#6366f1);--gradient-card:linear-gradient(180deg,rgba(255,255,255,0.04),rgba(255,255,255,0.01));--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.3);--shadow-md:0 4px 14px 0 rgba(0,0,0,0.4);--shadow-lg:0 10px 30px -5px rgba(0,0,0,0.6);--shadow-glow-blue:0 0 25px -5px rgba(59,130,246,0.35);--shadow-glow-emerald:0 0 25px -5px rgba(16,185,129,0.35);--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--max-width:1180px;--header-height:64px;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);color-scheme:dark;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{min-height:100vh;display:flex;flex-direction:column;background-image:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(59,130,246,.12),transparent),radial-gradient(ellipse 60% 40% at 80% 60%,rgba(139,92,246,.06),transparent);background-attachment:fixed}a{text-decoration:none;transition:color .15s ease,opacity .15s ease}a,button{color:inherit}button{font-family:inherit;cursor:pointer;border:none;background:none}.container{width:100%;max-width:var(--max-width);margin-left:auto;margin-right:auto;padding-left:1.25rem;padding-right:1.25rem}.page-title{font-size:2.25rem;font-weight:800;letter-spacing:-.03em;line-height:1.2;color:var(--text-primary);margin-bottom:.75rem}.page-subtitle{font-size:1.125rem;color:var(--text-secondary);line-height:1.6;max-width:680px}@media (min-width:768px){.page-title{font-size:3rem}.page-subtitle{font-size:1.25rem}}.badge{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .65rem;font-size:.75rem;font-weight:600;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em}.badge-blue{background:rgba(59,130,246,.12);color:#60a5fa;border:1px solid rgba(59,130,246,.25)}.badge-emerald{background:rgba(16,185,129,.12);color:#34d399;border:1px solid rgba(16,185,129,.25)}.badge-amber{background:rgba(245,158,11,.12);color:#fbbf24;border:1px solid rgba(245,158,11,.25)}.glass-card{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}.glass-card:hover{border-color:var(--border-highlight)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;border-radius:var(--radius-md);padding:.75rem 1.5rem;font-size:.95rem;transition:all .2s cubic-bezier(.16,1,.3,1);outline:none}.btn:focus-visible{box-shadow:0 0 0 3px rgba(59,130,246,.5)}.btn-primary{background:var(--gradient-primary);color:#ffffff;box-shadow:var(--shadow-glow-blue)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);filter:brightness(1.1);box-shadow:0 0 30px -2px rgba(59,130,246,.5)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background:var(--bg-card-hover);border-color:var(--border-highlight)}.btn-danger{background:rgba(244,63,94,.15);border:1px solid rgba(244,63,94,.35);color:#fb7185}.btn-danger:hover:not(:disabled){background:rgba(244,63,94,.25);border-color:rgba(244,63,94,.6)}.btn:disabled{opacity:.5;cursor:not-allowed}.grid-2,.grid-3{display:grid;grid-template-columns:1fr;gap:1.5rem}.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem}@media (min-width:768px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.alert-box{padding:1rem 1.25rem;border-radius:var(--radius-md);font-size:.875rem;line-height:1.5;display:flex;align-items:flex-start;gap:.75rem;margin-top:1rem}.alert-info{background:rgba(59,130,246,.08);border:1px solid rgba(59,130,246,.2);color:#bfdbfe}.alert-warning{background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.25);color:#fde68a}.desktop-nav{display:none}.mobile-toggle{display:flex}@media (min-width:768px){.desktop-nav{display:flex!important}.mobile-toggle{display:none!important}}.tool-layout-grid{display:grid;grid-template-columns:1fr;gap:2.5rem}@media (min-width:1024px){.tool-layout-grid{grid-template-columns:2.2fr 1fr!important}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.85)}}