<script setup>
import { computed, onMounted, onUnmounted, ref } from 'vue';
import { Fireworks } from 'fireworks-js';
import { usePuzzleStore } from '@/stores/puzzle';
import { useI18n } from '@/composables/useI18n';
import { useTimer } from '@/composables/useTimer';
import { Download, FileCode } from 'lucide-vue-next';
import { calculateDifficulty } from '@/utils/puzzleUtils';

const store = usePuzzleStore();
const { t } = useI18n();
const { formatTime } = useTimer();
const fireworksRef = ref(null);
let fireworksInstance = null;
let audioContext = null;
let masterGain = null;
const shareInProgress = ref(false);

const formattedTime = computed(() => formatTime(store.elapsedTime));
const shareText = computed(() => t('win.shareText', { size: store.size, time: formattedTime.value }));

const handleClose = () => {
  store.closeWinModal();
};

const handleKeyDown = (e) => {
  if (e.key === 'Escape') {
    handleClose();
  }
};

const playFanfare = async () => {
  const AudioCtx = window.AudioContext || window.webkitAudioContext;
  if (!AudioCtx) return;
  audioContext = new AudioCtx();
  if (audioContext.state === 'suspended') {
    try {
      await audioContext.resume();
    } catch {
      return;
    }
  }
  masterGain = audioContext.createGain();
  masterGain.gain.value = 0.25; // Slightly louder but softer tone
  masterGain.connect(audioContext.destination);

  const now = audioContext.currentTime;

  const playNote = (freq, startTime, duration) => {
    const osc = audioContext.createOscillator();
    const gain = audioContext.createGain();
    
    // Mix of sine and triangle for a bell-like quality
    osc.type = 'sine'; 
    osc.frequency.value = freq;

    // Envelope for elegant bell/chime sound
    gain.gain.setValueAtTime(0, startTime);
    gain.gain.linearRampToValueAtTime(0.4, startTime + 0.05); // Soft attack
    gain.gain.exponentialRampToValueAtTime(0.01, startTime + duration); // Long release

    osc.connect(gain);
    gain.connect(masterGain);

    osc.start(startTime);
    osc.stop(startTime + duration + 0.1);
  };

  // C Major 7 Arpeggio sequence (C5, E5, G5, B5, C6) - Elegant & Uplifting
  const sequence = [
    { freq: 523.25, time: 0.0, dur: 0.8 }, // C5
    { freq: 659.25, time: 0.1, dur: 0.8 }, // E5
    { freq: 783.99, time: 0.2, dur: 0.8 }, // G5
    { freq: 987.77, time: 0.3, dur: 0.8 }, // B5 (Maj7)
    { freq: 1046.50, time: 0.4, dur: 2.0 }, // C6 (High C resolve)
    // Add a bass root note at the end for fullness
    { freq: 523.25, time: 0.4, dur: 2.0 }  // C5
  ];

  sequence.forEach(note => playNote(note.freq, now + note.time, note.dur));
};

const triggerVibration = () => {
  if (!('vibrate' in navigator)) return;
  const isCoarse = window.matchMedia?.('(pointer: coarse)')?.matches;
  const isTouch = navigator.maxTouchPoints && navigator.maxTouchPoints > 0;
  if (isCoarse || isTouch) {
    navigator.vibrate([80, 40, 120, 40, 180]);
  }
};

const buildShareCanvas = () => {
  const grid = store.playerGrid;
  if (!grid || !grid.length) return null;
  const appUrl = 'https://nonograms.7u.pl/';
  const size = store.size;
  const maxBoard = 640;
  const cellSize = Math.max(8, Math.floor(maxBoard / size));
  const boardSize = cellSize * size;
  const padding = 28;
  const headerHeight = 64;
  const footerHeight = 28;
  const infoHeight = 40; // New space for difficulty/guide info
  const width = boardSize + padding * 2;
  const height = boardSize + padding * 2 + headerHeight + footerHeight + infoHeight;
  const scale = window.devicePixelRatio || 1;
  const canvas = document.createElement('canvas');
  canvas.width = width * scale;
  canvas.height = height * scale;
  const ctx = canvas.getContext('2d');
  if (!ctx) return null;
  ctx.scale(scale, scale);
  const bg = ctx.createLinearGradient(0, 0, width, height);
  bg.addColorStop(0, '#1b2a4a');
  bg.addColorStop(1, '#0a1324');
  ctx.fillStyle = bg;
  ctx.fillRect(0, 0, width, height);
  ctx.fillStyle = 'rgba(0, 0, 0, 0.35)';
  ctx.fillRect(12, 12, width - 24, height - 24);
  ctx.fillStyle = '#e8fbff';
  ctx.font = '700 26px "Segoe UI", sans-serif';
  ctx.fillText(t('app.title'), padding, padding + 10);
  ctx.font = '600 16px "Segoe UI", sans-serif';
  ctx.fillText(`${t('win.time')} ${formattedTime.value}`, padding, padding + 34);
  
  // Difficulty & Density Info
  const densityPercent = Math.round(store.currentDensity * 100);
  const difficultyKey = calculateDifficulty(store.currentDensity);
  let diffColor = '#33ff33';
  if (difficultyKey === 'extreme') diffColor = '#ff3333';
  else if (difficultyKey === 'hardest') diffColor = '#ff9933';
  else if (difficultyKey === 'harder') diffColor = '#ffff33';
  
  const difficultyText = t(`difficulty.${difficultyKey}`);
  ctx.font = '600 14px "Segoe UI", sans-serif';
  
  // Right aligned difficulty info
  const diffLabel = `${t('win.difficulty')} ${difficultyText} (${densityPercent}%)`;
  const diffWidth = ctx.measureText(diffLabel).width;
  ctx.fillStyle = diffColor;
  ctx.fillText(diffLabel, width - padding - diffWidth, padding + 34);

  const gridX = padding;
  const gridY = padding + headerHeight;
  ctx.fillStyle = 'rgba(255, 255, 255, 0.06)';
  ctx.fillRect(gridX, gridY, boardSize, boardSize);
  ctx.strokeStyle = 'rgba(255, 255, 255, 0.12)';
  ctx.lineWidth = 1;
  for (let i = 0; i <= size; i++) {
    const x = gridX + i * cellSize;
    const y = gridY + i * cellSize;
    ctx.beginPath();
    ctx.moveTo(x, gridY);
    ctx.lineTo(x, gridY + boardSize);
    ctx.stroke();
    ctx.beginPath();
    ctx.moveTo(gridX, y);
    ctx.lineTo(gridX + boardSize, y);
    ctx.stroke();
  }
  ctx.fillStyle = '#00f2fe';
  ctx.strokeStyle = 'rgba(255, 255, 255, 0.5)';
  ctx.lineWidth = Math.max(1.5, Math.floor(cellSize * 0.12));
  for (let r = 0; r < size; r++) {
    for (let c = 0; c < size; c++) {
      const state = grid[r]?.[c];
      if (state === 1) {
        const x = gridX + c * cellSize + 1;
        const y = gridY + r * cellSize + 1;
        ctx.fillRect(x, y, cellSize - 2, cellSize - 2);
      } else if (state === 2) {
        const x = gridX + c * cellSize + cellSize * 0.2;
        const y = gridY + r * cellSize + cellSize * 0.2;
        const d = cellSize * 0.6;
        ctx.beginPath();
        ctx.moveTo(x, y);
        ctx.lineTo(x + d, y + d);
        ctx.stroke();
        ctx.beginPath();
        ctx.moveTo(x + d, y);
        ctx.lineTo(x, y + d);
        ctx.stroke();
      }
    }
  }

  // Guide Usage Info (Dirty Flag)
  if (store.guideUsageCount > 0) {
      ctx.fillStyle = '#ff4d4d';
      ctx.font = '600 14px "Segoe UI", sans-serif';
      
      const totalCells = store.size * store.size;
      const percent = Math.min(100, Math.round((store.guideUsageCount / totalCells) * 100));
      const guideText = t('win.usedGuide', { count: store.guideUsageCount, percent });
      
      ctx.fillText(`⚠️ ${guideText}`, padding, height - padding - footerHeight + 10);
  }

  ctx.fillStyle = 'rgba(255, 255, 255, 0.75)';
  ctx.font = '500 14px "Segoe UI", sans-serif';
  ctx.fillText(appUrl, padding, height - padding + 6);
  return canvas;
};

const buildShareSVG = () => {
  const grid = store.playerGrid;
  if (!grid || !grid.length) return null;
  
  const appUrl = 'https://nonograms.7u.pl/';
  const size = store.size;
  const maxBoard = 640;
  const cellSize = Math.max(8, Math.floor(maxBoard / size));
  const boardSize = cellSize * size;
  const padding = 28;
  const headerHeight = 64;
  const footerHeight = 28;
  const infoHeight = 40;
  const width = boardSize + padding * 2;
  const height = boardSize + padding * 2 + headerHeight + footerHeight + infoHeight;

  // Colors
  const bgGradientStart = '#1b2a4a';
  const bgGradientEnd = '#0a1324';
  const overlayColor = 'rgba(0, 0, 0, 0.35)';
  const textColor = '#e8fbff';
  const gridColor = 'rgba(255, 255, 255, 0.06)';
  const gridLineColor = 'rgba(255, 255, 255, 0.12)';
  const filledColor = '#00f2fe';
  const crossColor = 'rgba(255, 255, 255, 0.5)';
  const urlColor = 'rgba(255, 255, 255, 0.75)';

  // Difficulty Logic
  const densityPercent = Math.round(store.currentDensity * 100);
  const diffInfo = calculateDifficulty(store.currentDensity, store.size);
  const difficultyKey = diffInfo.level;
  let diffColor = '#33ff33';
  if (difficultyKey === 'extreme') diffColor = '#ff3333';
  else if (difficultyKey === 'hardest') diffColor = '#ff9933';
  else if (difficultyKey === 'harder') diffColor = '#ffff33';
  const difficultyText = t(`difficulty.${difficultyKey}`);
  const diffLabel = `${t('win.difficulty')} ${difficultyText} (${densityPercent}%)`;

  let svgContent = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 ${width} ${height}" width="${width}" height="${height}">`;
  
  // Background
  svgContent += `
    <defs>
      <linearGradient id="bg" x1="0%" y1="0%" x2="100%" y2="100%">
        <stop offset="0%" stop-color="${bgGradientStart}"/>
        <stop offset="100%" stop-color="${bgGradientEnd}"/>
      </linearGradient>
    </defs>
    <rect width="100%" height="100%" fill="url(#bg)"/>
    <rect x="12" y="12" width="${width - 24}" height="${height - 24}" fill="${overlayColor}"/>
  `;

  // Text: Title & Time
  svgContent += `
    <text x="${padding}" y="${padding + 28}" font-family="Segoe UI, sans-serif" font-weight="700" font-size="26" fill="${textColor}">${t('app.title')}</text>
    <text x="${padding}" y="${padding + 56}" font-family="Segoe UI, sans-serif" font-weight="600" font-size="16" fill="${textColor}">${t('win.time')} ${formattedTime.value}</text>
  `;

  // Text: Difficulty (Right Aligned - manual approx or end anchor)
  svgContent += `
    <text x="${width - padding}" y="${padding + 56}" font-family="Segoe UI, sans-serif" font-weight="600" font-size="14" fill="${diffColor}" text-anchor="end">${diffLabel}</text>
  `;

  const gridX = padding;
  const gridY = padding + headerHeight;

  // Grid Background
  svgContent += `<rect x="${gridX}" y="${gridY}" width="${boardSize}" height="${boardSize}" fill="${gridColor}"/>`;

  // Grid Lines
  let gridLines = '';
  for (let i = 0; i <= size; i++) {
    const pos = i * cellSize;
    // Vertical
    gridLines += `<line x1="${gridX + pos}" y1="${gridY}" x2="${gridX + pos}" y2="${gridY + boardSize}" stroke="${gridLineColor}" stroke-width="1"/>`;
    // Horizontal
    gridLines += `<line x1="${gridX}" y1="${gridY + pos}" x2="${gridX + boardSize}" y2="${gridY + pos}" stroke="${gridLineColor}" stroke-width="1"/>`;
  }
  svgContent += gridLines;

  // Cells
  let cells = '';
  const lineWidth = Math.max(1.5, Math.floor(cellSize * 0.12));
  
  for (let r = 0; r < size; r++) {
    for (let c = 0; c < size; c++) {
      const state = grid[r]?.[c];
      const cx = gridX + c * cellSize;
      const cy = gridY + r * cellSize;
      
      if (state === 1) { // Filled
        cells += `<rect x="${cx + 1}" y="${cy + 1}" width="${cellSize - 2}" height="${cellSize - 2}" fill="${filledColor}"/>`;
      } else if (state === 2) { // Cross
        const d = cellSize * 0.6;
        const off = cellSize * 0.2;
        cells += `
          <path d="M${cx + off} ${cy + off} L${cx + off + d} ${cy + off + d} M${cx + off + d} ${cy + off} L${cx + off} ${cy + off + d}" 
          stroke="${crossColor}" stroke-width="${lineWidth}" stroke-linecap="round"/>
        `;
      }
    }
  }
  svgContent += cells;

  // Guide Usage
  if (store.guideUsageCount > 0) {
      const totalCells = store.size * store.size;
      const percent = Math.min(100, Math.round((store.guideUsageCount / totalCells) * 100));
      const guideText = t('win.usedGuide', { count: store.guideUsageCount, percent });
      svgContent += `<text x="${padding}" y="${height - padding - footerHeight + 10}" font-family="Segoe UI, sans-serif" font-weight="600" font-size="14" fill="#ff4d4d">⚠️ ${guideText}</text>`;
  }

  // URL
  svgContent += `<text x="${padding}" y="${height - padding + 6}" font-family="Segoe UI, sans-serif" font-weight="500" font-size="14" fill="${urlColor}">${appUrl}</text>`;

  svgContent += '</svg>';
  return svgContent;
};

const canvasToBlob = (canvas) => new Promise((resolve) => canvas.toBlob((blob) => resolve(blob), 'image/png'));

const createShareBlob = async () => {
  const canvas = buildShareCanvas();
  if (!canvas) return null;
  return canvasToBlob(canvas);
};

const downloadShareSVG = () => {
  const svgString = buildShareSVG();
  if (!svgString) return;
  const blob = new Blob([svgString], { type: 'image/svg+xml' });
  const url = URL.createObjectURL(blob);
  const link = document.createElement('a');
  link.href = url;
  link.download = `nonogram-${store.size}x${store.size}.svg`;
  document.body.appendChild(link);
  link.click();
  link.remove();
  URL.revokeObjectURL(url);
};

const downloadShareImage = async () => {
  const blob = await createShareBlob();
  if (!blob) return;
  const url = URL.createObjectURL(blob);
  const link = document.createElement('a');
  link.href = url;
  link.download = `nonogram-${store.size}x${store.size}.png`;
  document.body.appendChild(link);
  link.click();
  link.remove();
  URL.revokeObjectURL(url);
};

const buildShareUrl = (target, text, url) => {
  const encodedText = encodeURIComponent(text);
  const encodedUrl = encodeURIComponent(url);
  if (target === 'x') {
    return `https://x.com/intent/tweet?text=${encodedText}&url=${encodedUrl}`;
  }
  if (target === 'facebook') {
    return `https://www.facebook.com/sharer/sharer.php?u=${encodedUrl}&quote=${encodedText}`;
  }
  if (target === 'whatsapp') {
    return `https://wa.me/?text=${encodeURIComponent(`${text} ${url}`)}`;
  }
  return '';
};

const shareTo = async (target) => {
  if (shareInProgress.value) return;
  shareInProgress.value = true;
  
  const text = shareText.value;
  const url = window.location.href;
  const shareUrl = buildShareUrl(target, text, url);

  try {
    // Try native share first if available (supports images)
    if (navigator.share && navigator.canShare) {
      const blob = await createShareBlob();
      if (blob) {
        const file = new File([blob], `nonogram-${store.size}x${store.size}.png`, { type: 'image/png' });
        if (navigator.canShare({ files: [file] })) {
          await navigator.share({
            files: [file],
            text,
            title: t('app.title'),
            url
          });
          return;
        }
      }
    }
  } catch (error) {
    if (error.name === 'AbortError') {
      return; // User cancelled native share, do nothing
    }
    // Other errors -> fall through to fallback
  } finally {
    shareInProgress.value = false;
  }

  // Fallback: Direct Link + Download
  // Open window immediately if possible (though we awaited above, so it might be blocked, 
  // but we can't do much about it if we want to try native share first).
  // Ideally, for Desktop, navigator.share is undefined so we skip the await above.
  
  if (shareUrl) {
    window.open(shareUrl, '_blank', 'noopener');
  }
  
  // Trigger download as "screenshot support"
  downloadShareImage();
};

onMounted(() => {
  if (fireworksRef.value) {
    fireworksInstance = new Fireworks(fireworksRef.value, {
      autoresize: true,
      opacity: 0.6,
      acceleration: 1.05,
      friction: 0.98,
      gravity: 1.4,
      particles: 60,
      traceLength: 3,
      traceSpeed: 10,
      explosion: 5,
      intensity: 35,
      flickering: 60,
      hue: { min: 170, max: 210 },
      delay: { min: 20, max: 40 },
      rocketsPoint: { min: 50, max: 50 }
    });
    fireworksInstance.start();
  }
  playFanfare();
  triggerVibration();
  window.addEventListener('keydown', handleKeyDown);
});

onUnmounted(() => {
  window.removeEventListener('keydown', handleKeyDown);
  fireworksInstance?.stop(true);
  fireworksInstance = null;
  if ('vibrate' in navigator) {
    navigator.vibrate(0);
  }
  if (audioContext) {
    audioContext.close();
    audioContext = null;
  }
  masterGain = null;
});
</script>

<template>
  <div class="modal-overlay" @click.self="handleClose">
    <div ref="fireworksRef" class="fireworks-layer"></div>
    <div class="modal glass-panel">
      <h2>{{ t('win.title') }}</h2>
      <p>{{ t('win.message') }}</p>
      
      <div class="stats">
        <div class="stat">
          <span>{{ t('win.time') }}</span>
          <strong>{{ formattedTime }}</strong>
        </div>
      </div>

      <div class="share">
        <div class="share-title">{{ t('win.shareTitle') }}</div>
        <div class="share-buttons">
          <!-- X (Twitter) -->
          <button class="btn-neon secondary share-btn" :disabled="shareInProgress" :aria-label="t('win.shareX')" @click="shareTo('x')">
            <svg viewBox="0 0 24 24" fill="currentColor" class="share-icon"><path d="M18.901 3H22l-7.21 8.26L23 21h-6.66L11.13 14.76 5.66 21H2.56l7.73-8.83L1 3h6.8l4.63 5.56L18.9 3h.001zm-1.2 15.9h1.77L6.44 5.1H4.44l13.26 13.8z"/></svg>
          </button>
          <!-- Facebook -->
          <button class="btn-neon secondary share-btn" :disabled="shareInProgress" :aria-label="t('win.shareFacebook')" @click="shareTo('facebook')">
            <svg viewBox="0 0 24 24" fill="currentColor" class="share-icon"><path d="M24 12.073c0-6.627-5.373-12-12-12s-12 5.373-12 12c0 5.99 4.388 10.954 10.125 11.854v-8.385H7.078v-3.47h3.047V9.43c0-3.007 1.791-4.669 4.533-4.669 1.312 0 2.686.235 2.686.235v2.953H15.83c-1.491 0-1.956.925-1.956 1.874v2.25h3.328l-.532 3.47h-2.796v8.385C19.612 23.027 24 18.062 24 12.073z"/></svg>
          </button>
          <!-- WhatsApp -->
          <button class="btn-neon secondary share-btn" :disabled="shareInProgress" :aria-label="t('win.shareWhatsapp')" @click="shareTo('whatsapp')">
            <svg viewBox="0 0 24 24" fill="currentColor" class="share-icon"><path d="M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.008-.57-.008-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893a11.821 11.821 0 00-3.48-8.413Z"/></svg>
          </button>
          <!-- Download Screenshot (Compact) -->
          <button class="btn-neon secondary share-btn" :disabled="shareInProgress" :aria-label="t('win.shareDownload')" @click="downloadShareImage">
            <Download :size="20" />
          </button>
          <!-- Download SVG (Compact) -->
          <button class="btn-neon secondary share-btn" :disabled="shareInProgress" aria-label="Download SVG" @click="downloadShareSVG">
            <FileCode :size="20" />
          </button>
        </div>
      </div>

      <div class="actions">
        <button class="btn-neon" @click="store.resetGame">{{ t('win.playAgain') }}</button>
      </div>
    </div>
  </div>
</template>

<style scoped>
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--modal-overlay);
  backdrop-filter: blur(5px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  animation: fadeIn 0.5s ease;
}

.fireworks-layer {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
}

.modal {
  padding: 40px;
  text-align: center;
  width: fit-content;
  max-width: min(92vw, 560px);
  min-width: 280px;
  border: 1px solid var(--primary-accent);
  box-shadow: 0 0 50px rgba(0, 242, 255, 0.2);
  animation: slideUp 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  z-index: 1001;
  overflow-wrap: anywhere;
}

h2 {
  font-size: 2.5rem;
  color: var(--primary-accent);
  margin: 0 0 10px 0;
  text-shadow: 0 0 20px var(--primary-accent);
  overflow-wrap: anywhere;
}

p {
  color: var(--text-secondary);
  font-size: 1.2rem;
  margin-bottom: 30px;
  overflow-wrap: anywhere;
}

.stats {
  margin-bottom: 30px;
  padding: 20px;
  background: var(--panel-bg-strong);
  border-radius: 8px;
}

.stat {
  font-size: 1.2rem;
}

.stat strong {
  color: var(--text-strong);
  margin-left: 10px;
}

.share {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.share-title {
  font-size: 0.95rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  overflow-wrap: anywhere;
}

.share-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.share-btn {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.share-icon {
  width: 22px;
  height: 22px;
  display: block;
}


.share-download {
  align-self: center;
  padding: 8px 18px;
  font-size: 0.85rem;
  max-width: 100%;
  white-space: normal;
}

.actions .btn-neon {
  max-width: 100%;
  white-space: normal;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
</style>
