*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--primary:#1e40af;--primary-dark:#1e3a8a;--primary-light:#3b82f6;--bg:#f8fafc;--text:#1e293b;--text-light:#64748b;--white:#fff;--border:#e2e8f0;--success:#16a34a;--error:#dc2626;--radius:8px;--shadow:0 1px 3px rgba(0,0,0,.1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;min-height:100vh}a{color:var(--primary)}a,a:hover{text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.form-group{margin-bottom:1rem}.form-group label{display:block;font-weight:600;margin-bottom:.25rem;font-size:.95rem}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.625rem .75rem;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;font-family:inherit;transition:border-color .2s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(59,130,246,.1)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.625rem 1.5rem;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s,transform .1s;text-decoration:none}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary);color:var(--white)}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--white);color:var(--primary);border:2px solid var(--primary)}.btn-success{background:var(--success);color:var(--white)}.error-msg{color:var(--error)}.error-msg,.success-msg{font-size:.9rem;margin-top:.5rem}.success-msg{color:var(--success)}.nav{background:var(--primary);color:var(--white);padding:1rem}.nav .container{display:flex;justify-content:space-between;align-items:center}.nav h1{font-size:1.25rem}.nav h1 a{color:var(--white);text-decoration:none}.nav-links{display:flex;gap:1rem;align-items:center}.nav-links a{color:var(--white);text-decoration:none}.nav-links button{background:transparent;color:var(--white);border:1px solid var(--white);padding:.375rem 1rem;border-radius:var(--radius);cursor:pointer;font-size:.9rem}.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem}