:root{--bg:#ffffff;--card:#ffffff;--border:#e5e7eb;--border-strong:#d1d5db;--text:#111827;--text-muted:#6b7280;--accent:#10b981;--accent-hover:#059669;--shadow:0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.1)}body,html{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.card,.section{background:var(--card);border:1px solid var(--border);border-radius:1rem;box-shadow:var(--shadow)}.btn{background:var(--accent);color:#fff;border:1px solid var(--accent);border-radius:.5rem;padding:.625rem 1.25rem;font-weight:500;transition:background-color .15s ease,transform .15s ease}.btn:hover{background:var(--accent-hover);transform:translateY(-1px)}input,select,textarea{background:#fff;color:var(--text);border:1px solid var(--border-strong);border-radius:.5rem;padding:.5rem .75rem}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(16,185,129,.2)}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover);text-decoration:underline}hr{border:0;border-top:1px solid var(--border);margin:2rem 0}nav a,nav a:hover{text-decoration:none!important}