body{background-color:#0d1117;color:#c9d1d9;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;margin:0}.hidden{display:none!important}#login-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0d1117;z-index:9999;display:flex;justify-content:center;align-items:center}.login-box{background:#161b22;padding:2.5rem;border:1px solid #30363D;border-radius:12px;width:350px;text-align:center;box-shadow:0 4px 12px #00000080}.app-header{background:#161b22;padding:0 2rem;height:64px;border-bottom:1px solid #30363D;display:flex;justify-content:space-between;align-items:center}.brand-logo{font-weight:600;color:#fff;text-decoration:none;font-size:1.1rem;letter-spacing:1px}.main-nav{list-style:none;display:flex;gap:24px;padding:0;margin:0;height:100%}.nav-link{color:#8b949e;text-decoration:none;cursor:pointer;font-size:.95rem;height:100%;display:flex;align-items:center;border-bottom:2px solid transparent;transition:all .2s}.nav-link:hover{color:#c9d1d9}.nav-link.active{color:#fff;border-bottom-color:#58a6ff}.page-content{max-width:1100px;margin:40px auto;padding:0 20px}.panel{background:#161b22;border:1px solid #30363D;border-radius:8px;padding:24px;margin-bottom:24px}.field{margin-bottom:20px}label{display:block;margin-bottom:8px;color:#8b949e;font-size:.9rem;font-weight:500}input,select,textarea{width:100%;background:#0d1117;border:1px solid #30363d;color:#fff;padding:10px 12px;border-radius:6px;box-sizing:border-box;font-family:inherit;font-size:.95rem}.cta-button{background:#1f6feb;color:#fff;border:none;padding:12px 24px;border-radius:6px;font-weight:600;cursor:pointer;width:100%;font-size:1rem;transition:background .2s}.cta-button:hover{background:#388bfd}table{width:100%;border-collapse:collapse;margin-top:15px}th{text-align:left;padding:12px;border-bottom:1px solid #30363d;color:#8b949e;font-size:.85rem;text-transform:uppercase}td{padding:12px;border-bottom:1px solid #21262d;font-size:.9rem}.receta-card{background:#1c1c1c;padding:20px;margin-bottom:20px;border-radius:8px;border:1px solid #333}