/* ==========================================================================
   ENERGY NETWORK (NRG) - ARCHITECTURAL CLEAN-TECH DESIGN SYSTEM
   Bespoke Industrial HUD • Hardware-Accelerated CSS • Mobile-First Responsive
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@500;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Space+Grotesk:wght@600;700&display=swap');

:root {
    --nrg-bg: #080a0f;
    --nrg-surface: #0e121a;
    --nrg-panel: rgba(12, 16, 23, 0.88);
    --nrg-panel-solid: #111620;
    --nrg-border: rgba(255, 255, 255, 0.09);
    --nrg-border-strong: rgba(255, 255, 255, 0.18);
    --nrg-volt: #00e676;
    --nrg-volt-dim: rgba(0, 230, 118, 0.14);
    --nrg-amber: #ffb300;
    --nrg-amber-dim: rgba(255, 179, 0, 0.14);
    --nrg-cobalt: #38bdf8;
    --nrg-cobalt-dim: rgba(56, 189, 248, 0.14);
    --nrg-rose: #f43f5e;
    --nrg-text: #f3f4f6;
    --nrg-muted: #9ca3af;
    --nrg-dim: #6b7280;
    --font-display: 'Space Grotesk', sans-serif;
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* Barra Telemetria C++ Ultra Engine (Compatta e Tecnica) */
.nrg-telemetry-bar {
    position: fixed;
    bottom: 18px;
    right: 18px;
    z-index: 9990;
    background: rgba(10, 13, 19, 0.92);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    border: 1px solid var(--nrg-border-strong);
    border-radius: 10px;
    padding: 7px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--nrg-text);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.7);
    contain: layout style;
}

.nrg-telemetry-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--nrg-volt);
    box-shadow: 0 0 8px var(--nrg-volt);
    animation: nrgPulse 2.2s infinite ease-in-out;
}

@keyframes nrgPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.55; }
}

.nrg-telemetry-metric {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--nrg-muted);
    white-space: nowrap;
}

.nrg-telemetry-metric strong {
    color: var(--nrg-text);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.nrg-telemetry-badge {
    background: var(--nrg-volt-dim);
    color: var(--nrg-volt);
    border: 1px solid rgba(0, 230, 118, 0.35);
    padding: 2px 6px;
    border-radius: 5px;
    font-weight: 700;
    font-size: 0.66rem;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.nrg-bench-btn {
    background: rgba(255, 255, 255, 0.06);
    color: var(--nrg-text);
    border: 1px solid var(--nrg-border-strong);
    border-radius: 6px;
    padding: 4px 9px;
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
}

.nrg-bench-btn:hover {
    background: var(--nrg-volt);
    color: #050806;
    border-color: var(--nrg-volt);
}

/* Modale Benchmark e Architettura */
.nrg-sys-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(4, 6, 10, 0.84);
    backdrop-filter: blur(10px);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.nrg-sys-modal-overlay.active {
    display: flex;
}

.nrg-sys-modal {
    width: 100%;
    max-width: 640px;
    background: var(--nrg-panel-solid);
    border: 1px solid var(--nrg-border-strong);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.9);
    color: var(--nrg-text);
    font-family: var(--font-sans);
}

.nrg-sys-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin: 14px 0;
}

.nrg-sys-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--nrg-border);
    border-radius: 10px;
    padding: 12px;
}

.nrg-sys-card .lbl {
    font-size: 0.68rem;
    color: var(--nrg-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.nrg-sys-card .val {
    font-family: var(--font-mono);
    font-size: 1.18rem;
    font-weight: 800;
    color: var(--nrg-volt);
    margin-top: 4px;
    font-variant-numeric: tabular-nums;
}

/* Filtro GPU Dark Architectural per OpenStreetMap (Zero API Key, Zoom fino a 22) */
.nrg-dark-tiles {
    filter: invert(100%) hue-rotate(185deg) brightness(90%) contrast(96%) saturate(95%);
}

@media (max-width: 900px) {
    .nrg-telemetry-bar {
        display: none !important;
    }
    .nrg-sys-grid {
        grid-template-columns: 1fr;
    }
}