:root{--background:#0f172a;--foreground:#f8fafc;--primary:#3b82f6;--secondary:#64748b;--accent:#8b5cf6;--card-bg:rgba(30,41,59,.7);--border-color:rgba(148,163,184,.2);--success:#10b981;--warning:#f59e0b}*{box-sizing:border-box;padding:0;margin:0}body{background:var(--background);color:var(--foreground);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;min-height:100vh}main{padding:2rem;max-width:1200px;margin:0 auto}.glass{background:var(--card-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:16px;padding:1.5rem}button{cursor:pointer;border:none;border-radius:8px;padding:.5rem 1rem;font-weight:600;transition:all .2s ease}button.primary{background:var(--primary);color:#fff}button.primary:hover{filter:brightness(1.1);transform:translateY(-1px)}.title{font-size:2.5rem;font-weight:800;margin-bottom:2rem;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}