body { font-family: 'Segoe UI', sans-serif; background: #f0f2f5; padding: 20px; }
.container { max-width: 1000px; margin: auto; background: white; padding: 20px; border-radius: 8px; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { padding: 12px; border: 1px solid #ddd; text-align: left; }
th { background: #004a99; color: white; }
.plazo-urgente { background-color: #ffdce0 !important; color: #af0808; font-weight: bold; }
.plazo-vencido { background-color: #333 !important; color: white; }
.btn { padding: 8px 15px; border-radius: 4px; text-decoration: none; color: white; background: #28a745; }