.fp-maritime-bidding-auction-ui {
    --fp-container-width: 100%;
    --fp-max-width: 500px;
    --fp-aspect-ratio: 1 / 1;

    --fp-primary-color: #F4F3F0;
    --fp-secondary-color: #E2DFD8;
    --fp-muted-color: #6D6B68;
    --fp-soft-color: #FFFFFF;
    --fp-background-color: transparent;

    --fp-info-color: #386DBB;
    --fp-warning-color: #B8CBE6;
    --fp-danger-color: #002255;
    --fp-accent-color: #0047AB;
    --fp-text-color: #1A1A1A;

    display: flex;
    justify-content: center;
    width: var(--fp-container-width);
    font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.fp-maritime-bidding-auction-ui-container {
    width: 100%;
    max-width: var(--fp-max-width);
    background-color: var(--fp-background-color);
}

.fp-maritime-bidding-auction-ui-stage {
    aspect-ratio: var(--fp-aspect-ratio);
    background-color: var(--fp-primary-color);
    border: 2px solid var(--fp-secondary-color);
    border-radius: 8px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1), inset 0 0 0 1px var(--fp-soft-color);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 6%;
    box-sizing: border-box;
}

.fp-maritime-bidding-auction-ui-glow {
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 60px rgba(0, 71, 171, 0.05);
    animation: fp-maritime-bidding-auction-ui-breathe 4s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}

.fp-maritime-bidding-auction-ui-radar-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    aspect-ratio: 1/1;
    background: 
        radial-gradient(circle at center, transparent 30%, var(--fp-primary-color) 70%),
        repeating-radial-gradient(circle at center, transparent 0, transparent 20px, rgba(109, 107, 104, 0.05) 21px);
    transform: translate(-50%, -50%);
    z-index: 0;
}

.fp-maritime-bidding-auction-ui-radar-sweep {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    aspect-ratio: 1/1;
    background: conic-gradient(from 0deg at 50% 50%, transparent 75%, rgba(0, 71, 171, 0.15) 100%);
    transform-origin: center;
    animation: fp-maritime-bidding-auction-ui-rotate 5s linear infinite;
    z-index: 1;
    pointer-events: none;
}

.fp-maritime-bidding-auction-ui-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 2;
    border-bottom: 2px solid var(--fp-secondary-color);
    padding-bottom: 4%;
}

.fp-maritime-bidding-auction-ui-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--fp-text-color);
}

.fp-maritime-bidding-auction-ui-status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--fp-accent-color);
    border-radius: 50%;
    animation: fp-maritime-bidding-auction-ui-pulse 1.5s ease-in-out infinite;
}

.fp-maritime-bidding-auction-ui-id {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 0.7rem;
    color: var(--fp-muted-color);
    background: var(--fp-secondary-color);
    padding: 2px 6px;
    border-radius: 4px;
}

.fp-maritime-bidding-auction-ui-panel {
    width: 100%;
    background-color: var(--fp-soft-color);
    border: 2px solid var(--fp-secondary-color);
    border-radius: 6px;
    padding: 6%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    overflow: hidden;
}

.fp-maritime-bidding-auction-ui-route {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--fp-muted-color);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
}

.fp-maritime-bidding-auction-ui-route-icon {
    color: var(--fp-accent-color);
}

.fp-maritime-bidding-auction-ui-price-label {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--fp-text-color);
    margin-bottom: 4px;
}

.fp-maritime-bidding-auction-ui-price-display {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.fp-maritime-bidding-auction-ui-currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--fp-accent-color);
}

.fp-maritime-bidding-auction-ui-price {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 3rem;
    font-weight: 800;
    color: var(--fp-text-color);
    line-height: 1;
    letter-spacing: -2px;
    font-variant-numeric: tabular-nums;
}

.fp-maritime-bidding-auction-ui-unit {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--fp-muted-color);
}

.fp-maritime-bidding-auction-ui-canvas-wrapper {
    width: 100%;
    height: 60px;
    margin-top: 15px;
    border-top: 1px dashed var(--fp-secondary-color);
    position: relative;
}

.fp-maritime-bidding-auction-ui-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.fp-maritime-bidding-auction-ui-action {
    width: 100%;
    z-index: 3;
}

.fp-maritime-bidding-auction-ui-btn {
    width: 100%;
    background-color: var(--fp-primary-color);
    color: var(--fp-text-color);
    border: 2px solid var(--fp-secondary-color);
    padding: 18px;
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 6px;
    cursor: default;
    transition: all 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.fp-maritime-bidding-auction-ui-btn.fp-active-bid {
    animation: fp-maritime-bidding-auction-ui-vibrate 0.4s cubic-bezier(.36,.07,.19,.97) both;
    background-color: var(--fp-accent-color);
    border-color: var(--fp-accent-color);
    color: var(--fp-soft-color);
    box-shadow: 0 0 25px rgba(0, 71, 171, 0.4);
}

@keyframes fp-maritime-bidding-auction-ui-breathe {
    0%, 100% { box-shadow: inset 0 0 40px rgba(0, 71, 171, 0.03); }
    50% { box-shadow: inset 0 0 80px rgba(0, 71, 171, 0.12); }
}

@keyframes fp-maritime-bidding-auction-ui-rotate {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes fp-maritime-bidding-auction-ui-pulse {
    0%, 100% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(0, 71, 171, 0.4); }
    50% { transform: scale(1.2); opacity: 0.8; box-shadow: 0 0 0 6px rgba(0, 71, 171, 0); }
}

@keyframes fp-maritime-bidding-auction-ui-vibrate {
    0%, 100% { transform: translate3d(0, 0, 0); }
    10%, 30%, 50%, 70%, 90% { transform: translate3d(-3px, 1px, 0); }
    20%, 40%, 60%, 80% { transform: translate3d(3px, -1px, 0); }
}

@media (max-width: 480px) {
    .fp-maritime-bidding-auction-ui-stage { padding: 8%; border-radius: 6px; }
    .fp-maritime-bidding-auction-ui-price { font-size: 2.2rem; }
    .fp-maritime-bidding-auction-ui-route { font-size: 0.7rem; }
    .fp-maritime-bidding-auction-ui-btn { padding: 15px; font-size: 0.8rem; }
}

document.querySelectorAll('.fp-maritime-bidding-auction-ui').forEach(root => {
    const canvas = root.querySelector('.fp-maritime-bidding-auction-ui-canvas');
    if (!canvas) return;

    const ctx = canvas.getContext('2d');
    const priceEl = root.querySelector('.fp-maritime-bidding-auction-ui-price');
    const btnEl = root.querySelector('.fp-maritime-bidding-auction-ui-btn');
    const btnText = btnEl.querySelector('span');
    
    let animationFrameId;
    let isRunning = false;
    let width, height;
    
    let currentPrice = 42500;
    let displayPrice = 42500;
    const historyPoints = Array(60).fill(10);
    let bidCooldown = 0;
    let time = 0;

    const accentColor = '#0047AB';

    function fp_maritime_bidding_auction_ui_resize() {
        if (!canvas.parentElement) return;
        const rect = canvas.parentElement.getBoundingClientRect();
        width = rect.width;
        height = rect.height;
        canvas.width = width * window.devicePixelRatio;
        canvas.height = height * window.devicePixelRatio;
        ctx.scale(window.devicePixelRatio, window.devicePixelRatio);
    }

    function lerp(start, end, amt) {
        return (1 - amt) * start + amt * end;
    }

    function formatNumber(num) {
        return Math.floor(num).toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
    }

    function triggerBid() {
        const increment = Math.floor(Math.random() * 5 + 1) * 50;
        currentPrice += increment;

        btnEl.classList.add('fp-active-bid');
        btnText.innerText = "BID PLACED!";
        
        setTimeout(() => {
            if(!document.body.contains(root)) return;
            btnEl.classList.remove('fp-active-bid');
            btnText.innerText = "AWAITING NEXT BID...";
        }, 500);

        historyPoints[historyPoints.length - 1] = 90;
    }

    function drawChart() {
        ctx.clearRect(0, 0, width, height);

        if (time % 3 === 0) {
            historyPoints.shift();
            let lastVal = historyPoints[historyPoints.length - 1];
            let nextVal = lastVal > 20 ? lastVal - 15 : 10 + Math.random() * 5;
            historyPoints.push(Math.max(10, nextVal));
        }

        const pointSpacing = width / (historyPoints.length - 1);

        ctx.beginPath();
        ctx.moveTo(0, height);

        for (let i = 0; i < historyPoints.length; i++) {
            const x = i * pointSpacing;
            const y = height - (historyPoints[i] / 100) * (height - 10);
            ctx.lineTo(x, y);
        }

        const gradient = ctx.createLinearGradient(0, 0, 0, height);
        gradient.addColorStop(0, 'rgba(0, 71, 171, 0.2)');
        gradient.addColorStop(1, 'rgba(0, 71, 171, 0)');
        
        ctx.lineTo(width, height);
        ctx.closePath();
        ctx.fillStyle = gradient;
        ctx.fill();

        ctx.beginPath();
        for (let i = 0; i < historyPoints.length; i++) {
            const x = i * pointSpacing;
            const y = height - (historyPoints[i] / 100) * (height - 10);
            if (i === 0) ctx.moveTo(x, y);
            else ctx.lineTo(x, y);
        }
        ctx.strokeStyle = accentColor;
        ctx.lineWidth = 2;
        ctx.lineJoin = 'round';
        ctx.stroke();

        const headX = width;
        const headY = height - (historyPoints[historyPoints.length - 1] / 100) * (height - 10);
        
        ctx.beginPath();
        ctx.arc(headX, headY, 3, 0, Math.PI * 2);
        ctx.fillStyle = accentColor;
        ctx.fill();
        
        ctx.beginPath();
        ctx.arc(headX, headY, 8 + Math.sin(time/10) * 2, 0, Math.PI * 2);
        ctx.fillStyle = 'rgba(0, 71, 171, 0.3)';
        ctx.fill();
    }

    function fp_maritime_bidding_auction_ui_loop() {
        if (!isRunning) return;
        
        time++;

        if (bidCooldown > 0) {
            bidCooldown--;
        } else {
            if (Math.random() < 0.015) {
                triggerBid();
                bidCooldown = 120;
            }
        }

        if (Math.abs(displayPrice - currentPrice) > 1) {
            displayPrice = lerp(displayPrice, currentPrice, 0.1);
        } else {
            displayPrice = currentPrice;
        }
        priceEl.innerText = formatNumber(displayPrice);

        drawChart();

        animationFrameId = requestAnimationFrame(fp_maritime_bidding_auction_ui_loop);
    }

    const observer = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                if (!isRunning && document.visibilityState !== "hidden") {
                    isRunning = true;
                    btnText.innerText = "AWAITING NEXT BID...";
                    fp_maritime_bidding_auction_ui_loop();
                }
            } else {
                isRunning = false;
                cancelAnimationFrame(animationFrameId);
            }
        });
    });

    function fp_maritime_bidding_auction_ui_handleVisibility() {
        if (document.visibilityState === "hidden") {
            isRunning = false;
            cancelAnimationFrame(animationFrameId);
        } else if (!isRunning && root.getBoundingClientRect().top < window.innerHeight && root.getBoundingClientRect().bottom > 0) {
            isRunning = true;
            fp_maritime_bidding_auction_ui_loop();
        }
    }

    function fp_maritime_bidding_auction_ui_checkDOM() {
        if (!document.body.contains(root)) {
            isRunning = false;
            cancelAnimationFrame(animationFrameId);
            window.removeEventListener('resize', fp_maritime_bidding_auction_ui_resize);
            document.removeEventListener('visibilitychange', fp_maritime_bidding_auction_ui_handleVisibility);
            observer.disconnect();
            return true;
        }
        return false;
    }

    window.addEventListener('resize', fp_maritime_bidding_auction_ui_resize);
    document.addEventListener('visibilitychange', fp_maritime_bidding_auction_ui_handleVisibility);
    
    fp_maritime_bidding_auction_ui_resize();
    observer.observe(root);
    
    const cleanupInterval = setInterval(() => {
        if (fp_maritime_bidding_auction_ui_checkDOM()) {
            clearInterval(cleanupInterval);
        }
    }, 2000);
});