/* ━━━━━━━━━━━━━━━━━━
   VISUAL FOUNDATION & VARIABLES
   ━━━━━━━━━━━━━━━━━━ */
.fp-maritime-shipping-wifi-network-radar-ui {
    --fp-container-width: 100%;
    --fp-max-width: 500px;
    --fp-aspect-ratio: 1 / 1;

    /* Sapphire Industrial Color System */
    --fp-primary-color: #FFFFFF; /* Putih (White) */
    --fp-secondary-color: #F1F5F9; /* Industrial Light Grey (Panels) */
    --fp-muted-color: #94A3B8; /* Muted Elements */
    --fp-soft-color: #0F172A; /* Biru Dongker (Navy Black) */
    --fp-background-color: transparent;

    --fp-info-color: #3B82F6; /* Light Sapphire */
    --fp-warning-color: #2563EB; /* Mid Sapphire */
    --fp-danger-color: #1D4ED8; /* Deep Sapphire */
    --fp-accent-color: #0F52BA; /* Biru Permata (Sapphire Blue) */

    width: var(--fp-container-width);
    max-width: var(--fp-max-width);
    margin: 0 auto;
    position: relative;
    background-color: var(--fp-background-color);
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--fp-soft-color);
}

.fp-maritime-shipping-wifi-network-radar-ui * {
    box-sizing: border-box;
}

/* ━━━━━━━━━━━━━━━━━━
   STAGE & LAYER 1 (BREATHING)
   ━━━━━━━━━━━━━━━━━━ */
.fp-maritime-shipping-wifi-network-radar-ui-stage {
    width: 100%;
    aspect-ratio: var(--fp-aspect-ratio);
    background-color: var(--fp-secondary-color);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    border-radius: 16px;
    border: 12px solid #E2E8F0; /* Heavy Industrial Bezel */
    padding: 24px;
    /* Layer 1: Subtle Machine Breathing */
    animation: fp-maritime-shipping-wifi-network-radar-ui-breathe 4s ease-in-out infinite alternate;
}

@keyframes fp-maritime-shipping-wifi-network-radar-ui-breathe {
    0% { box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05), inset 0 4px 12px rgba(255, 255, 255, 1); }
    100% { box-shadow: 0 20px 40px rgba(15, 23, 42, 0.1), inset 0 4px 12px rgba(255, 255, 255, 1); }
}

/* Industrial Screws */
.fp-maritime-shipping-wifi-network-radar-ui-screw {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, #CBD5E1, #F8FAFC);
    border: 1px solid #94A3B8;
    box-shadow: inset 1px 1px 2px rgba(255,255,255,0.8), inset -1px -1px 2px rgba(0,0,0,0.1);
}
.fp-maritime-shipping-wifi-network-radar-ui-screw::after {
    content: ''; position: absolute; top: 50%; left: 10%; width: 80%; height: 1px; background: #64748B; transform: translateY(-50%) rotate(45deg);
}
.fp-maritime-shipping-wifi-network-radar-ui-tl { top: 12px; left: 12px; }
.fp-maritime-shipping-wifi-network-radar-ui-tr { top: 12px; right: 12px; transform: rotate(20deg); }
.fp-maritime-shipping-wifi-network-radar-ui-bl { bottom: 12px; left: 12px; transform: rotate(-15deg); }
.fp-maritime-shipping-wifi-network-radar-ui-br { bottom: 12px; right: 12px; transform: rotate(50deg); }

/* ━━━━━━━━━━━━━━━━━━
   HUD DATA PANELS
   ━━━━━━━━━━━━━━━━━━ */
.fp-maritime-shipping-wifi-network-radar-ui-hud-top,
.fp-maritime-shipping-wifi-network-radar-ui-hud-bottom {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 10;
}

.fp-maritime-shipping-wifi-network-radar-ui-title {
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    color: var(--fp-soft-color);
    margin-bottom: 4px;
    text-transform: uppercase;
}

.fp-maritime-shipping-wifi-network-radar-ui-coords {
    font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', monospace;
    font-size: 0.7rem;
    color: var(--fp-muted-color);
    letter-spacing: 0.05em;
}

.fp-maritime-shipping-wifi-network-radar-ui-signal-wrap {
    width: 80%;
    background: var(--fp-primary-color);
    border: 2px solid #CBD5E1;
    border-radius: 8px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
    transition: all 0.3s ease;
}

.fp-maritime-shipping-wifi-network-radar-ui-signal-bar-bg {
    flex-grow: 1;
    height: 6px;
    background: var(--fp-secondary-color);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.fp-maritime-shipping-wifi-network-radar-ui-signal-bar-fill {
    position: absolute;
    top: 0; left: 0; height: 100%;
    width: 85%;
    background: var(--fp-muted-color);
    transition: width 0.4s cubic-bezier(0.25, 1, 0.5, 1), background-color 0.3s ease;
}

.fp-maritime-shipping-wifi-network-radar-ui-signal-val {
    font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--fp-soft-color);
    min-width: 48px;
    text-align: right;
    transition: color 0.3s ease;
}

/* ━━━━━━━━━━━━━━━━━━
   RADAR CORE (LAYER 2 ROTATIONAL)
   ━━━━━━━━━━━━━━━━━━ */
.fp-maritime-shipping-wifi-network-radar-ui-radar-container {
    position: relative;
    flex-grow: 1;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fp-maritime-shipping-wifi-network-radar-ui-radar-bezel {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: var(--fp-primary-color);
    border: 4px solid #CBD5E1;
    box-shadow: 
        0 8px 16px rgba(15, 23, 42, 0.1),
        inset 0 4px 12px rgba(15, 23, 42, 0.05);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.fp-maritime-shipping-wifi-network-radar-ui-radar-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(var(--fp-secondary-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--fp-secondary-color) 1px, transparent 1px);
    background-size: 20px 20px;
    background-position: center center;
    opacity: 0.5;
}

/* Concentric Rings */
.fp-maritime-shipping-wifi-network-radar-ui-radar-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--fp-muted-color);
    opacity: 0.3;
}
.fp-maritime-shipping-wifi-network-radar-ui-r1 { width: 33%; height: 33%; }
.fp-maritime-shipping-wifi-network-radar-ui-r2 { width: 66%; height: 66%; }
.fp-maritime-shipping-wifi-network-radar-ui-r3 { width: 100%; height: 100%; border-style: dashed; }

/* Crosshairs */
.fp-maritime-shipping-wifi-network-radar-ui-radar-axis {
    position: absolute;
    background: var(--fp-muted-color);
    opacity: 0.3;
}
.fp-maritime-shipping-wifi-network-radar-ui-x-axis { width: 100%; height: 1px; }
.fp-maritime-shipping-wifi-network-radar-ui-y-axis { height: 100%; width: 1px; }

/* Layer 2: JS Controlled Sweep Line */
.fp-maritime-shipping-wifi-network-radar-ui-radar-sweep {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    /* Conic gradient simulates radar beam */
    background: conic-gradient(from 0deg at 50% 50%, 
        transparent 75%, 
        rgba(15, 82, 186, 0.1) 95%, 
        rgba(15, 82, 186, 0.8) 100%);
    /* Transform set by JS */
    will-change: transform;
    z-index: 5;
}

/* Target Blip */
.fp-maritime-shipping-wifi-network-radar-ui-radar-blip {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--fp-accent-color);
    top: 22%; /* Approx 45 degrees angle */
    left: 78%;
    transform: translate(-50%, -50%) scale(0.5);
    opacity: 0;
    z-index: 6;
    box-shadow: 0 0 12px var(--fp-accent-color);
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ━━━━━━━━━━━━━━━━━━
   LAYER 3: REACTIVE SPIKE (SATCOM LINKED)
   ━━━━━━━━━━━━━━━━━━ */
.fp-maritime-shipping-wifi-network-radar-ui-spike .fp-maritime-shipping-wifi-network-radar-ui-radar-bezel {
    border-color: var(--fp-accent-color);
    box-shadow: 
        0 0 30px rgba(15, 82, 186, 0.2),
        inset 0 4px 12px rgba(15, 82, 186, 0.1);
}

.fp-maritime-shipping-wifi-network-radar-ui-spike .fp-maritime-shipping-wifi-network-radar-ui-radar-blip {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.2);
}

.fp-maritime-shipping-wifi-network-radar-ui-spike .fp-maritime-shipping-wifi-network-radar-ui-signal-wrap {
    border-color: var(--fp-accent-color);
    box-shadow: 0 4px 12px rgba(15, 82, 186, 0.15);
}

.fp-maritime-shipping-wifi-network-radar-ui-spike .fp-maritime-shipping-wifi-network-radar-ui-signal-bar-fill {
    background-color: var(--fp-accent-color);
    box-shadow: 0 0 8px var(--fp-accent-color);
}

.fp-maritime-shipping-wifi-network-radar-ui-spike .fp-maritime-shipping-wifi-network-radar-ui-title,
.fp-maritime-shipping-wifi-network-radar-ui-spike .fp-maritime-shipping-wifi-network-radar-ui-signal-val {
    color: var(--fp-accent-color);
}

.fp-maritime-shipping-wifi-network-radar-ui-spike .fp-maritime-shipping-wifi-network-radar-ui-coords {
    color: var(--fp-soft-color);
    font-weight: 600;
}

/* Responsive Layout */
@media (max-width: 400px) {
    .fp-maritime-shipping-wifi-network-radar-ui-stage { padding: 16px; border-width: 8px; }
    .fp-maritime-shipping-wifi-network-radar-ui-radar-bezel { width: 180px; height: 180px; }
    .fp-maritime-shipping-wifi-network-radar-ui-signal-wrap { width: 95%; padding: 10px; }
}

(function() {
    const instances = document.querySelectorAll('.fp-maritime-shipping-wifi-network-radar-ui');

    instances.forEach(root => {
        if (root.dataset.fpInitialized) return;
        root.dataset.fpInitialized = 'true';

        const stage = root.querySelector('.fp-maritime-shipping-wifi-network-radar-ui-stage');
        const sweepEl = root.querySelector('.fp-maritime-shipping-wifi-network-radar-ui-radar-sweep');
        const signalFill = root.querySelector('.fp-maritime-shipping-wifi-network-radar-ui-signal-bar-fill');
        const signalVal = root.querySelector('.fp-maritime-shipping-wifi-network-radar-ui-signal-val');
        const titleEl = root.querySelector('.fp-maritime-shipping-wifi-network-radar-ui-dynamic-title');

        if (!stage || !sweepEl || !signalFill || !signalVal || !titleEl) return;

        let rafId;
        let isVisible = true;
        let lastTime = 0;
        
        // Radar Variables
        let angle = 0;
        const sweepSpeed = 0.12; // Degrees per millisecond
        let hasTriggeredThisRev = false;
        let isSpiking = false;
        let spikeDuration = 1200; // ms to hold the spike
        let spikeTimer = 0;

        // Base signal level
        let baseSignal = 40;
        signalFill.style.width = baseSignal + '%';
        signalVal.textContent = baseSignal + ' dBm';

        // Intersection Observer to pause JS animations when off-screen
        const observer = new IntersectionObserver((entries) => {
            entries.forEach(entry => isVisible = entry.isIntersecting);
        }, { threshold: 0.1 });
        observer.observe(root);

        function fp_maritime_shipping_wifi_network_radar_ui_loop(timestamp) {
            // DOM Memory Guard
            if (!document.body.contains(root)) {
                cancelAnimationFrame(rafId);
                observer.disconnect();
                return;
            }

            if (document.visibilityState === 'hidden' || !isVisible) {
                lastTime = timestamp; // Prevent logic jumping
                rafId = requestAnimationFrame(fp_maritime_shipping_wifi_network_radar_ui_loop);
                return;
            }

            if (!lastTime) lastTime = timestamp;
            const dt = timestamp - lastTime;
            lastTime = timestamp;

            // 1. Layer 2: Rotational Sweep Logic
            angle = (angle + dt * sweepSpeed) % 360;
            sweepEl.style.transform = `rotate(${angle}deg)`;

            // 2. Layer 3: Reactive Spike Logic
            // Blip is positioned at ~45 degrees (top right quadrant)
            // In CSS rotate, 0deg is top (12 o'clock), 90deg is right (3 o'clock).
            // So 45 deg matches the blip position perfectly. We trigger slightly before.
            
            if (angle > 35 && angle < 55 && !hasTriggeredThisRev) {
                hasTriggeredThisRev = true;
                isSpiking = true;
                spikeTimer = spikeDuration;
                
                // Trigger Visual Spike
                stage.classList.add('fp-maritime-shipping-wifi-network-radar-ui-spike');
                titleEl.textContent = "SATCOM LINK SECURED";
                
                // Generate strong signal
                const highSignal = Math.floor(Math.random() * 15) + 85; // 85 - 99
                signalFill.style.width = highSignal + '%';
                signalVal.textContent = highSignal + ' dBm';
            }

            // Handle Spike Timeout
            if (isSpiking) {
                spikeTimer -= dt;
                if (spikeTimer <= 0) {
                    isSpiking = false;
                    stage.classList.remove('fp-maritime-shipping-wifi-network-radar-ui-spike');
                    titleEl.textContent = "SCANNING FLEET";
                    
                    // Return to base signal organically
                    signalFill.style.width = baseSignal + '%';
                    signalVal.textContent = baseSignal + ' dBm';
                }
            }

            // Reset trigger for next revolution
            if (angle > 300) {
                hasTriggeredThisRev = false;
            }

            rafId = requestAnimationFrame(fp_maritime_shipping_wifi_network_radar_ui_loop);
        }

        // Init Loop
        rafId = requestAnimationFrame(fp_maritime_shipping_wifi_network_radar_ui_loop);
    });
})();