*{box-sizing:border-box;margin:0;padding:0}:root{--primary-cyan:#00d4ff;--primary-blue:#0891b2;--primary-dark:#0e7490;--accent-cyan:#22d3ee;--accent-light:#67e8f9;--gradient-primary:linear-gradient(135deg,#00d4ff,#0891b2 50%,#0e7490);--gradient-bg:linear-gradient(135deg,#0a1628,#0f2744 50%,#0a1628);--gradient-card:linear-gradient(135deg,rgba(8,145,178,.1),rgba(14,116,144,.05));--text-primary:#fff;--text-secondary:#94a3b8;--text-muted:#64748b;--bg-dark:#0a1628;--bg-card:hsla(0,0%,100%,.05);--bg-card-hover:hsla(0,0%,100%,.08);--border-color:hsla(0,0%,100%,.1);--border-focus:rgba(0,212,255,.5);--shadow-glow:0 0 40px rgba(0,212,255,.2);--shadow-glow-strong:0 0 60px rgba(0,212,255,.3)}body,html{min-height:100vh;background:var(--gradient-bg);color:var(--text-primary);font-family:SF Pro Display,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--primary-cyan);text-decoration:none;transition:color .2s ease}a:hover{color:var(--accent-light);text-decoration:underline}code{font-family:SF Mono,Fira Code,Consolas,monospace;background:rgba(0,0,0,.3);padding:.2rem .5rem;border-radius:4px;font-size:.875em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 1.75rem;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;border:none;text-decoration:none}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow-strong);text-decoration:none;color:#fff}.btn-secondary{background:transparent;color:var(--primary-cyan);border:2px solid var(--primary-cyan)}.btn-secondary:hover{background:rgba(0,212,255,.1);transform:translateY(-1px);text-decoration:none}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:2rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card:hover{background:var(--bg-card-hover);border-color:rgba(0,212,255,.2)}.spinner{width:48px;height:48px;border:4px solid hsla(0,0%,100%,.1);border-top:4px solid var(--primary-cyan);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:640px){.btn{padding:.75rem 1.5rem;font-size:.9rem}.card{padding:1.5rem}}