/* Customizações Avançadas de UI */

body {
    background-color: #0f172a;
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,39%,30%,0.2) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,30%,0.2) 0, transparent 50%);
    background-attachment: fixed;
    color: #e2e8f0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Efeito de Vidro (Glassmorphism) */
.glass-card {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: #38bdf8;
    box-shadow: 0 10px 30px -10px rgba(56, 189, 248, 0.3);
}

/* Cartão Central Especial */
.core-node {
    border-color: rgba(168, 85, 247, 0.5);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.2);
}

.core-node:hover {
    border-color: #a855f7;
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.4);
}

/* Fundo Estilo "Blueprint/Matriz" */
.bg-grid {
    position: absolute;
    inset: 0;
    background-size: 40px 40px;
    background-image: linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    z-index: -1;
    mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
}