*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f8fafc;--surface:#ffffff;--border:#e2e8f0;--text:#1e293b;--muted:#64748b;--primary:#2563eb;--primary-hover:#1d4ed8;--danger:#dc2626;--success:#16a34a;--warning:#d97706;--radius:8px;--shadow:0 1px 3px rgba(0,0,0,.1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}input,select,textarea{width:100%;padding:.5rem .75rem;border:1px solid var(--border);border-radius:var(--radius);font-size:.9rem;background:var(--surface);outline:none;transition:border-color .15s}input:focus,select:focus{border-color:var(--primary)}button{cursor:pointer;border:none;border-radius:var(--radius);font-size:.875rem;font-weight:500;padding:.5rem 1rem;transition:background .15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-ghost{background:transparent;color:var(--primary)}.btn-ghost,.card{border:1px solid var(--border)}.card{background:var(--surface);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}.badge{display:inline-block;padding:.15rem .5rem;border-radius:9999px;font-size:.75rem;font-weight:600}.badge-success{background:#dcfce7;color:var(--success)}.badge-danger{background:#fee2e2;color:var(--danger)}.badge-warning{background:#fef3c7;color:var(--warning)}.badge-muted{background:#f1f5f9;color:var(--muted)}