:root{--primary-color:#4f46e5;--primary-hover:#4338ca;--bg-color:#0f172a;--surface-color:#1e293b;--surface-hover:#334155;--text-primary:#f8fafc;--text-secondary:#94a3b8;--border-color:#334155;--error-color:#ef4444;--success-color:#10b981}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-color);color:var(--text-primary);flex-direction:column;min-height:100vh;display:flex}h1,h2,h3{letter-spacing:-.025em;margin-bottom:1rem;font-weight:600}.container{width:100%;max-width:1200px;margin:0 auto;padding:2rem}.card{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;padding:2rem;transition:transform .2s,box-shadow .2s;box-shadow:0 10px 15px -3px #00000080,0 4px 6px -2px #0000004d}.card:hover{transform:translateY(-2px);box-shadow:0 20px 25px -5px #0009,0 10px 10px -5px #0006}.input-group{margin-bottom:1.5rem}.input-group label{color:var(--text-secondary);margin-bottom:.5rem;font-size:.875rem;font-weight:500;display:block}.input-group input,.input-group select,.input-group textarea{background-color:var(--bg-color);border:1px solid var(--border-color);width:100%;color:var(--text-primary);border-radius:8px;padding:.75rem 1rem;font-size:1rem;transition:border-color .2s,box-shadow .2s}.input-group input:focus,.input-group select:focus,.input-group textarea:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #4f46e533}.btn{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;padding:.75rem 1.5rem;font-weight:500;transition:background-color .2s,transform .1s;display:inline-flex}.btn:hover{background-color:var(--primary-hover)}.btn:active{transform:scale(.98)}.btn-secondary{border:1px solid var(--border-color);color:var(--text-primary);background-color:#0000}.btn-secondary:hover{background-color:var(--surface-hover)}.navbar{background-color:var(--surface-color);border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex}.navbar-brand{color:var(--text-primary);font-size:1.25rem;font-weight:700;text-decoration:none}.navbar-nav{gap:1rem;display:flex}.nav-link{color:var(--text-secondary);font-weight:500;text-decoration:none;transition:color .2s}.nav-link:hover{color:var(--text-primary)}.flex-center{justify-content:center;align-items:center;min-height:100vh;display:flex}.error-msg{color:var(--error-color);margin-top:.5rem;font-size:.875rem}.text-gradient{background:linear-gradient(135deg,#60a5fa,#a78bfa);-webkit-text-fill-color:transparent;-webkit-background-clip:text}