.fp-streaming-media-premium-subscription-upgrade-ui {
  --fp-container-width: 100%;
  --fp-max-width: 500px;
  --fp-aspect-ratio: 1 / 1;

  --fp-primary-color: #ffffff;
  --fp-secondary-color: #e2e8f0;
  --fp-muted-color: #64748b;
  --fp-soft-color: #f8fafc;
  --fp-background-color: transparent;

  --fp-info-color: #0f172a;
  --fp-warning-color: #c084fc;
  --fp-danger-color: #4c1d95;
  --fp-accent-color: #7e22ce;

  all: unset;
  display: block;
  width: var(--fp-container-width);
  max-width: var(--fp-max-width);
  margin: 0 auto;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  box-sizing: border-box;
  color: var(--fp-info-color);
}

.fp-streaming-media-premium-subscription-upgrade-ui * {
  box-sizing: border-box;
}

.fp-streaming-media-premium-subscription-upgrade-ui-stage {
  position: relative;
  width: 100%;
  aspect-ratio: var(--fp-aspect-ratio);
  background: var(--fp-primary-color);
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--fp-secondary-color);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.05);
}

.fp-streaming-media-premium-subscription-upgrade-ui-ambient {
  position: absolute;
  inset: -10%;
  background: radial-gradient(circle at center, rgba(126, 34, 206, 0.08) 0%, transparent 70%);
  animation: fp-streaming-media-premium-subscription-upgrade-ui-breathe 5s ease-in-out infinite alternate;
  pointer-events: none;
}

.fp-streaming-media-premium-subscription-upgrade-ui-orbit {
  position: absolute;
  width: 120%;
  height: 120%;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(126, 34, 206, 0.05) 90deg, transparent 180deg);
  animation: fp-streaming-media-premium-subscription-upgrade-ui-spin 15s linear infinite;
  pointer-events: none;
}

.fp-streaming-media-premium-subscription-upgrade-ui-card {
  position: relative;
  z-index: 10;
  width: 80%;
  height: 75%;
  background: linear-gradient(135deg, #09090b 0%, #18181b 100%);
  border-radius: 20px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(126, 34, 206, 0.2), inset 0 0 30px rgba(126, 34, 206, 0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: var(--fp-primary-color);
}

.fp-streaming-media-premium-subscription-upgrade-ui-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--fp-warning-color), var(--fp-accent-color), transparent);
  opacity: 0.8;
  animation: fp-streaming-media-premium-subscription-upgrade-ui-shimmer-border 3s ease-in-out infinite;
}

.fp-streaming-media-premium-subscription-upgrade-ui-header {
  padding: 24px 24px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 2;
}

.fp-streaming-media-premium-subscription-upgrade-ui-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fp-warning-color);
  background: rgba(126, 34, 206, 0.2);
  padding: 4px 12px;
  border-radius: 12px;
  border: 1px solid rgba(192, 132, 252, 0.3);
}

.fp-streaming-media-premium-subscription-upgrade-ui-icon {
  font-weight: 900;
  font-size: 1.2rem;
  letter-spacing: -0.05em;
  background: linear-gradient(to right, #fff, var(--fp-warning-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.fp-streaming-media-premium-subscription-upgrade-ui-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.fp-streaming-media-premium-subscription-upgrade-ui-title {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  text-shadow: 0 0 20px rgba(192, 132, 252, 0.4);
}

.fp-streaming-media-premium-subscription-upgrade-ui-subtitle {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
  max-width: 80%;
  line-height: 1.4;
}

.fp-streaming-media-premium-subscription-upgrade-ui-status-text {
  margin-top: 24px;
  font-size: 0.75rem;
  font-family: ui-monospace, monospace;
  color: var(--fp-warning-color);
  letter-spacing: 0.05em;
}

.fp-streaming-media-premium-subscription-upgrade-ui-canvas-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.fp-streaming-media-premium-subscription-upgrade-ui-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.fp-streaming-media-premium-subscription-upgrade-ui-footer {
  padding: 16px 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  z-index: 2;
  background: rgba(0, 0, 0, 0.2);
}

.fp-streaming-media-premium-subscription-upgrade-ui-progress-track {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.fp-streaming-media-premium-subscription-upgrade-ui-progress-fill {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--fp-accent-color), var(--fp-warning-color));
  box-shadow: 0 0 10px var(--fp-warning-color);
  transition: width 0.1s linear;
}

@keyframes fp-streaming-media-premium-subscription-upgrade-ui-breathe {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.05); opacity: 1; }
}

@keyframes fp-streaming-media-premium-subscription-upgrade-ui-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes fp-streaming-media-premium-subscription-upgrade-ui-shimmer-border {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@media (max-width: 480px) {
  .fp-streaming-media-premium-subscription-upgrade-ui-card {
    width: 90%;
    height: 80%;
  }
  .fp-streaming-media-premium-subscription-upgrade-ui-title {
    font-size: 1.6rem;
  }
}

document.querySelectorAll('.fp-streaming-media-premium-subscription-upgrade-ui').forEach(root => {
  const canvas = root.querySelector('.fp-streaming-media-premium-subscription-upgrade-ui-canvas');
  const progressFill = root.querySelector('.fp-streaming-media-premium-subscription-upgrade-ui-progress-fill');
  const statusText = root.querySelector('.fp-streaming-media-premium-subscription-upgrade-ui-status-text');
  const titleText = root.querySelector('.fp-streaming-media-premium-subscription-upgrade-ui-title');
  
  if (!canvas || !progressFill || !statusText) return;

  const ctx = canvas.getContext('2d');
  let animationFrameId;
  let isVisible = true;
  
  let time = 0;
  let particles = [];
  let progress = 0;
  let syncStage = 0;

  const stages = [
    "INITIALIZING...",
    "ALLOCATING 4K BANDWIDTH...",
    "REMOVING ADVERTISEMENTS...",
    "SECURING AMETHYST LICENSE...",
    "PREMIUM ACTIVE"
  ];

  const colors = {
    amethystLight: 'rgba(192, 132, 252, 0.8)',
    amethystDeep: 'rgba(126, 34, 206, 0.4)',
    whiteGlow: 'rgba(255, 255, 255, 0.9)'
  };

  const resizeCanvas = () => {
    const rect = canvas.parentElement.getBoundingClientRect();
    canvas.width = rect.width * window.devicePixelRatio;
    canvas.height = rect.height * window.devicePixelRatio;
    ctx.scale(window.devicePixelRatio, window.devicePixelRatio);
  };

  const spawnParticle = (width, height, isBurst = false) => {
    return {
      x: isBurst ? width / 2 : Math.random() * width,
      y: isBurst ? height / 2 : Math.random() * height,
      vx: (Math.random() - 0.5) * (isBurst ? 15 : 2),
      vy: (Math.random() - 0.5) * (isBurst ? 15 : 2),
      size: Math.random() * 2 + 0.5,
      life: 1,
      decay: Math.random() * 0.02 + 0.01
    };
  };

  const animate = () => {
    if (!isVisible) return;
    
    time += 0.02;
    const width = canvas.width / window.devicePixelRatio;
    const height = canvas.height / window.devicePixelRatio;
    
    ctx.clearRect(0, 0, width, height);
    
    if (progress < 100) {
      progress += 0.15 + (Math.random() * 0.1);
      if (progress > 100) progress = 100;
      progressFill.style.width = `${progress}%`;

      const newStage = Math.floor((progress / 100) * (stages.length - 1));
      if (newStage !== syncStage && progress < 100) {
        syncStage = newStage;
        statusText.innerText = stages[syncStage];
      }
    } else if (syncStage !== stages.length - 1) {
       syncStage = stages.length - 1;
       statusText.innerText = stages[syncStage];
       statusText.style.color = '#fff';
       titleText.innerText = "Welcome to 4K";
       for(let i=0; i<50; i++) particles.push(spawnParticle(width, height, true));
    } else {
       if (Math.random() < 0.005) {
         progress = 0;
         syncStage = 0;
         statusText.style.color = 'var(--fp-warning-color)';
         titleText.innerText = "Premium Sync";
       }
    }

    const sweepX = (Math.sin(time * 2) * width * 0.8) + (width / 2);
    
    const gradient = ctx.createLinearGradient(sweepX - 100, 0, sweepX + 100, 0);
    gradient.addColorStop(0, 'transparent');
    gradient.addColorStop(0.5, colors.amethystDeep);
    gradient.addColorStop(1, 'transparent');

    ctx.fillStyle = gradient;
    ctx.save();
    ctx.translate(sweepX, height / 2);
    ctx.rotate(Math.PI / 4);
    ctx.fillRect(-200, -height, 100, height * 2);
    ctx.restore();

    if (Math.random() < 0.1 && progress < 100) {
      particles.push(spawnParticle(width, height));
    }

    for (let i = particles.length - 1; i >= 0; i--) {
      let p = particles[i];
      p.x += p.vx;
      p.y += p.vy;
      p.life -= p.decay;

      if (p.life <= 0) {
        particles.splice(i, 1);
        continue;
      }

      ctx.beginPath();
      ctx.arc(p.x, p.y, p.size, 0, Math.PI * 2);
      ctx.fillStyle = `rgba(192, 132, 252, ${p.life})`;
      ctx.shadowBlur = 10;
      ctx.shadowColor = colors.amethystLight;
      ctx.fill();
      ctx.shadowBlur = 0; 
    }

    animationFrameId = requestAnimationFrame(animate);
  };

  const handleVisibilityChange = () => {
    isVisible = document.visibilityState === 'visible';
    if (isVisible) {
      animate();
    } else {
      cancelAnimationFrame(animationFrameId);
    }
  };

  const observer = new MutationObserver(() => {
    if (!document.body.contains(root)) {
      cancelAnimationFrame(animationFrameId);
      window.removeEventListener('resize', resizeCanvas);
      document.removeEventListener('visibilitychange', handleVisibilityChange);
      observer.disconnect();
    }
  });

  window.addEventListener('resize', resizeCanvas);
  document.addEventListener('visibilitychange', handleVisibilityChange);
  observer.observe(document.body, { childList: true, subtree: true });

  resizeCanvas();
  animate();
});