const fs = require('fs');
const path = require('path');

const targetPath = path.join(__dirname, 'src/views/pages/marketing/MarketingAnalysisV3.vue');
if (!fs.existsSync(targetPath)) {
    console.error('File not found: MarketingAnalysisV3.vue');
    process.exit(1);
}

let content = fs.readFileSync(targetPath, 'utf8');

const newStyle = `<style scoped>
/* ═══════════════════════════════════════════
   PREMIUM 3D BASE - ANALYSIS V3
   ═══════════════════════════════════════════ */
.analysis-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 24px 120px;
}

.dashboard-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* ═══════════════════════════════════════════
   LOADING STATE - 3D SHIMMER & GLOW
   ═══════════════════════════════════════════ */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 160px 0;
  gap: 40px;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(20px);
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 20px 60px rgba(45, 123, 255, 0.05);
}

.loader-wrap {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader-circle {
  position: absolute;
  inset: 0;
  border: 2px dashed rgba(45, 123, 255, 0.2);
  border-radius: 50%;
  animation: spin 10s linear infinite;
}

.loader-inner-circle {
  position: absolute;
  inset: -10px;
  border: 3px solid transparent;
  border-top-color: #2D7BFF;
  border-bottom-color: #8B5CF6;
  border-radius: 50%;
  animation: spin 1.5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  box-shadow: 0 0 20px rgba(45, 123, 255, 0.3);
}

.loader-logo {
  font-size: 14px;
  z-index: 2;
  box-shadow: 0 8px 24px rgba(45, 123, 255, 0.5);
  background: linear-gradient(135deg, #2D7BFF, #1a6bff);
  color: #fff;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  letter-spacing: 0.05em;
}

.loading-info {
  text-align: center;
}

.loading-title {
  font-size: 18px;
  font-weight: 900;
  color: #0F172A;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: linear-gradient(135deg, #2D7BFF, #8B5CF6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 4px rgba(45,123,255,0.2));
}

.loading-sub {
  font-size: 14px;
  color: #64748B;
  max-width: 340px;
  margin: 0 auto 20px;
  line-height: 1.6;
  font-weight: 500;
}

.loading-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.loading-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.1);
  transition: all 0.3s;
}

.loading-dots .dot.active {
  background: #2D7BFF;
  transform: scale(1.5);
  box-shadow: 0 0 12px rgba(45, 123, 255, 0.6);
}

/* ═══════════════════════════════════════════
   ERROR STATE - PREMIUM RED
   ═══════════════════════════════════════════ */
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 120px 0;
  gap: 24px;
  text-align: center;
  background: #fff;
  border-radius: 32px;
  border: 1px dashed rgba(239, 68, 68, 0.3);
  box-shadow: 0 20px 40px rgba(239, 68, 68, 0.05);
}

.error-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.02));
  border: 1px solid rgba(239, 68, 68, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #EF4444;
  font-size: 32px;
  box-shadow: inset 0 2px 4px rgba(255,255,255,0.8), 0 8px 24px rgba(239, 68, 68, 0.15);
}

.error-title {
  font-size: 24px;
  font-weight: 900;
  color: #0F172A;
  letter-spacing: -0.02em;
}

.error-desc {
  font-size: 15px;
  color: #64748B;
  max-width: 420px;
  line-height: 1.6;
  font-weight: 500;
}

.kai-btn-secondary {
  margin-top: 16px;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.1);
  color: #334155;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.02);
}

.kai-btn-secondary:hover {
  background: #0F172A;
  border-color: transparent;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.2);
}

@keyframes spin { 
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); } 
}
</style>`;

const startIndex = content.indexOf('<style scoped>');
const endIndex = content.indexOf('</style>') + '</style>'.length;

if (startIndex !== -1 && endIndex !== -1) {
    const updatedContent = content.substring(0, startIndex) + newStyle + content.substring(endIndex);
    fs.writeFileSync(targetPath, updatedContent);
    console.log('MarketingAnalysisV3.vue CSS updated successfully!');
} else {
    // If there's no <style scoped>, append it
    fs.writeFileSync(targetPath, content + '\n' + newStyle);
    console.log('MarketingAnalysisV3.vue CSS appended successfully!');
}