:root{--rc-emerald-600: #059669;--rc-emerald-700: #047857;--rc-slate-50: #f8fafc;--rc-slate-600: #475569;--rc-slate-800: #1e293b;--rc-border: #e2e8f0}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--rc-slate-50);color:var(--rc-slate-800);line-height:1.5}.rc-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border:none;border-radius:.5rem;font-weight:700;cursor:pointer;font-size:.875rem;transition:background .15s}.rc-btn-primary{background:var(--rc-emerald-600);color:#fff}.rc-btn-primary:hover{background:var(--rc-emerald-700)}.rc-btn-ghost{background:transparent;color:var(--rc-slate-600)}.rc-input{width:100%;padding:.75rem 1rem;border:1px solid var(--rc-border);border-radius:.5rem;font-size:1rem}.rc-input:focus{outline:none;border-color:var(--rc-emerald-600);box-shadow:0 0 0 3px #05966933}.rc-card{background:#fff;border:1px solid var(--rc-border);border-radius:.75rem;padding:1rem 1.25rem;box-shadow:0 1px 2px #0000000d}.rc-toast-error{background:#fef2f2;color:#b91c1c;padding:.75rem 1rem;border-radius:.5rem;margin-bottom:1rem;font-size:.875rem}