/* --- VARIABILI LOCALI E EFFETTI --- */
:root {
    --online: #10b981;
    --offline: #ef4444;
    --warning: #f59e0b;
    --glass: rgba(255, 255, 255, 0.03);
}

/* --- GRIGLIA PRINCIPALE --- */
.status-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 20px;
}

/* --- BOX SENSORI (EFFETTO VETRO) --- */
.box-sensore {
    background: var(--glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 18px;
    border-radius: 16px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.box-db-top {
    grid-column: span 1;
    border-top: 4px solid var(--accent);
}

.box-wide {
    grid-column: 1 / span 3;
}

/* --- RADAR ANIMATION --- */
.radar-container { position: relative; width: 14px; height: 14px; display: inline-block; margin-left: 8px; }
.radar-dot { width: 8px; height: 8px; border-radius: 50%; position: absolute; top: 3px; left: 3px; z-index: 2; }
.radar-pulse { width: 14px; height: 14px; border-radius: 50%; position: absolute; top: 0; left: 0; opacity: 0.5; animation: pulse 2s infinite ease-out; }

@keyframes pulse { 
    0% { transform: scale(0.6); opacity: 0.9; } 
    100% { transform: scale(2); opacity: 0; } 
}

/* --- RIGHE DATI E INTEGRITÀ --- */
.db-grid-mini { display: flex; flex-direction: column; gap: 8px; margin-top: 15px; }
.db-item {
    background: rgba(255,255,255,0.05);
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.integrity-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.gap-list {
    margin-top: 8px;
    padding: 10px;
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    list-style: none;
    font-size: 0.8rem;
}

/* --- BATTERIE --- */
.battery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
}

.battery-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 15px;
    text-align: center;
}

.batt-icon { font-size: 1.8rem; margin-bottom: 10px; display: block; }
.batt-name { font-size: 0.7rem; font-weight: 700; color: var(--text-dim); text-transform: uppercase; }
.batt-volt { font-size: 1.1rem; font-family: 'Courier New', monospace; color: var(--accent); }

.sistema-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    padding: 10px;
}

.sistema-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 12px;
    border-radius: 8px;
    border-left: 4px solid var(--accent);
    display: flex;
    flex-direction: column;
}

.sistema-item i {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--accent);
}

.sistema-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 3px;
}

.sistema-value {
    font-size: 0.9rem;
    font-weight: bold;
}
/* Griglia Risorse Sistema */
.sistema-grid {
    display: grid;
    /* Crea 3 colonne su schermi medi, 6 su schermi grandi */
    grid-template-columns: repeat(3, 1fr); 
    gap: 10px;
    padding: 10px;
}

/* Su schermi grandi (PC), li mettiamo tutti su una riga */
@media (min-width: 1200px) {
    .sistema-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* Su schermi piccoli (Smartphone), facciamo 2 colonne */
@media (max-width: 600px) {
    .sistema-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.sistema-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 10px 5px; /* Riduciamo il padding interno per guadagnare spazio */
    display: flex;
    flex-direction: column; /* Icona sopra, testo sotto per risparmiare larghezza */
    align-items: center;
    text-align: center;
    min-width: 0; /* Evita che il box si allarghi oltre la colonna */
}

.sistema-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: transform 0.2s;
}

.sistema-item:hover {
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-2px);
}

.sistema-item i {
    font-size: 1.5rem;
    color: var(--accent); /* Il blu che abbiamo usato per la rete AC */
    width: 30px;
    text-align: center;
}

.sys-info {
    display: flex;
    flex-direction: column;
}

.sys-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
}

.sys-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-bright);
}

.sys-sub {
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-top: 2px;
}

/* Allarme Firmware Lampeggiante */
.fw-alert {
    border-color: var(--offline) !important;
    background: rgba(231, 76, 60, 0.1) !important;
    animation: flash-red 2s infinite;
}

@keyframes flash-red {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}

/* Animazione per allarme firmware */
.alarm-active {
    border-left-color: var(--offline) !important;
    animation: pulse-red 2s infinite;
}

@keyframes pulse-red {
    0% { background: rgba(255, 255, 255, 0.05); }
    50% { background: rgba(231, 76, 60, 0.2); }
    100% { background: rgba(255, 255, 255, 0.05); }
}

/* --- RESPONSIVE --- */
@media (max-width: 992px) {
    .status-grid { grid-template-columns: 1fr; }
    .box-wide, .box-db-top { grid-column: 1; }
}