*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--primary:#4F46E5;--primary-hover:#4338CA;--primary-light:#EEF2FF;--accent:#10B981;--text:#1a1a2e;--text-muted:#6B7280;--surface:#ffffff;--bg:#F9FAFB;--border:#E5E7EB;--radius:12px;--danger:#EF4444}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all .2s}.btn-primary{background:var(--primary);color:white}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:white;color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;transition:border-color .2s}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.1)}.label{display:block;font-size:14px;font-weight:500;margin-bottom:6px;color:var(--text)}.error-text{color:var(--danger);font-size:13px;margin-top:4px}