:root{--bg:#f6f8fc;--surface:rgba(255,255,255,.82);--solid:#fff;--text:#101828;--muted:#667085;--line:rgba(16,24,40,.08);--primary:#635bff;--primary2:#22d3ee;--success:#12b76a;--danger:#ef4444;--shadow:0 24px 70px rgba(15,23,42,.08);--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:Tahoma,"Segoe UI",sans-serif}body.dark{--bg:#080b12;--surface:rgba(18,24,38,.84);--solid:#101827;--text:#f4f7fb;--muted:#9ba8ba;--line:rgba(255,255,255,.08);--shadow:0 24px 70px rgba(0,0,0,.3)}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.site-bg{position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(circle at 12% 8%,rgba(99,91,255,.11),transparent 27%),radial-gradient(circle at 84% 14%,rgba(34,211,238,.08),transparent 25%)}.container{width:min(1180px,calc(100% - 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var(--line);border-radius:16px;background:var(--solid);box-shadow:var(--shadow);flex-direction:column}.nav-links.open a{width:100%}.hero{padding-top:22px}.hero-actions .btn{width:100%}.tool-grid,.category-grid,.footer-grid{grid-template-columns:1fr}.form-row,.dashboard-grid{grid-template-columns:1fr}.auth-card,.tool-main,.tool-side,.profile-card{padding:18px}.hero h1{font-size:clamp(2.3rem,13vw,3.6rem)}.footer-bottom{flex-direction:column;gap:8px}.glow-card{width:min(100%,390px)}}
