:root{--bg:#f7f8fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--primary:#115e59;--primary-2:#0f766e;--border:#e5e7eb}*{box-sizing:border-box}body{margin:0;font-family:IBM Plex Sans,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(circle at 20% 20%,#e6fffa,transparent 35%),var(--bg)}a{color:var(--primary);text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:24px}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 8px 20px rgba(17,24,39,.05)}.row{display:flex;gap:12px;flex-wrap:wrap}button{border:0;border-radius:10px;padding:10px 14px;background:var(--primary);color:#fff;cursor:pointer}button.secondary{background:#334155}input,textarea{width:100%;border:1px solid var(--border);border-radius:10px;padding:10px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:8px;border-bottom:1px solid var(--border)}