:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --border-color: #cbd5e1;
  --border-glow: rgba(99, 102, 241, 0.5);
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  
  --accent-purple: #7c3aed;
  --accent-indigo: #4f46e5;
  --accent-blue: #2563eb;
  --accent-cyan: #0284c7;
  --accent-green: #10b981;
  --accent-amber: #d97706;
  --accent-rose: #e11d48;
  
  --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #db2777 100%);
  --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.06), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  padding: 0;
  margin: 0;
  min-height: 100vh;
}

/* Bright ambient mesh glow */
body::before {
  content: '';
  position: fixed;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 650px;
  background: radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.15) 0%, rgba(14, 165, 233, 0.08) 35%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
  position: relative;
  z-index: 1;
}

/* Header */
header {
  margin-bottom: 2rem;
  padding: 2rem;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  box-shadow: var(--card-shadow);
}

.header-title-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

h1 {
  font-size: 2.4rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.03em;
  margin-bottom: 0.4rem;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 850px;
  font-weight: 500;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.4; }
  100% { opacity: 1; }
}

/* Navigation Tabs */
.tabs {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 0.85rem 1.5rem;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(99, 102, 241, 0.1);
}

.tab-btn.active {
  color: #ffffff;
  background: var(--gradient-primary);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.35);
}

/* KPI Summary Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.kpi-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  padding: 1.6rem;
  box-shadow: var(--card-shadow);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.kpi-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-indigo);
  box-shadow: 0 15px 35px -5px rgba(79, 70, 229, 0.18);
}

.kpi-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}

.kpi-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.kpi-sub {
  font-size: 0.85rem;
  color: var(--accent-indigo);
  font-weight: 600;
  margin-top: 0.3rem;
}

/* Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(550px, 1fr));
  gap: 2rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 768px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  padding: 1.75rem;
  box-shadow: var(--card-shadow);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.chart-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.chart-container {
  position: relative;
  height: 330px;
  width: 100%;
}

/* Table Card */
.table-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  padding: 1.75rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--card-shadow);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th {
  background: #f1f5f9;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 1.1rem;
  border-bottom: 2px solid var(--border-color);
}

td {
  padding: 1.1rem;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.95rem;
  color: var(--text-primary);
}

tr:hover td {
  background: rgba(99, 102, 241, 0.04);
}

.score-tag {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: 0.5rem;
  font-weight: 800;
  font-size: 0.875rem;
}

.score-high { background: rgba(16, 185, 129, 0.15); color: #047857; border: 1px solid rgba(16, 185, 129, 0.3); }
.score-mid { background: rgba(245, 158, 11, 0.15); color: #b45309; border: 1px solid rgba(245, 158, 11, 0.3); }
.score-low { background: rgba(244, 63, 94, 0.15); color: #be123c; border: 1px solid rgba(244, 63, 94, 0.3); }

/* High-Contrast Modern Selectbox Styling */
.select-wrapper {
  position: relative;
  width: 100%;
  margin-top: 0.5rem;
}

.custom-select {
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  width: 100% !important;
  background: #ffffff !important;
  border: 2px solid #6366f1 !important;
  color: #0f172a !important;
  padding: 0.95rem 3.2rem 0.95rem 1.25rem !important;
  border-radius: 0.85rem !important;
  font-size: 1rem !important;
  font-weight: 700 !important;
  outline: none !important;
  cursor: pointer !important;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.15) !important;
  transition: all 0.25s ease-in-out !important;
}

.custom-select:hover {
  border-color: #4f46e5 !important;
  background: #f8fafc !important;
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.22) !important;
  transform: translateY(-1px);
}

.custom-select:focus {
  border-color: #4f46e5 !important;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.25) !important;
}

.custom-select option {
  background: #ffffff !important;
  color: #0f172a !important;
  font-weight: 600 !important;
  padding: 0.75rem !important;
}

.select-arrow {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: #4f46e5;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.12);
  padding: 0.45rem;
  border-radius: 0.5rem;
}

/* Markdown Content Styling */
.markdown-content {
  font-size: 0.98rem;
  line-height: 1.8;
  color: #1e293b;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4 {
  color: var(--text-primary);
  margin-top: 1.25rem;
  margin-bottom: 0.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.markdown-content h1 { font-size: 1.4rem; border-bottom: 2px solid var(--border-color); padding-bottom: 0.4rem; }
.markdown-content h2 { font-size: 1.25rem; }
.markdown-content h3 { font-size: 1.1rem; }
.markdown-content h4 { font-size: 1rem; }

.markdown-content p {
  margin-bottom: 0.9rem;
}

.markdown-content ul,
.markdown-content ol {
  margin-left: 1.6rem;
  margin-bottom: 1rem;
}

.markdown-content li {
  margin-bottom: 0.4rem;
}

.markdown-content pre {
  background: #0f172a;
  color: #f8fafc;
  padding: 1.2rem;
  border-radius: 0.75rem;
  overflow-x: auto;
  margin-bottom: 1rem;
  font-family: 'Consolas', 'Fira Code', monospace;
  font-size: 0.9rem;
}

.markdown-content code {
  background: rgba(79, 70, 229, 0.1);
  color: var(--accent-indigo);
  padding: 0.2rem 0.45rem;
  border-radius: 0.375rem;
  font-family: 'Consolas', 'Fira Code', monospace;
  font-size: 0.875rem;
  font-weight: 600;
}

.markdown-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.markdown-content blockquote {
  border-left: 4px solid var(--accent-indigo);
  background: rgba(79, 70, 229, 0.05);
  padding: 0.85rem 1.25rem;
  border-radius: 0 0.6rem 0.6rem 0;
  margin-bottom: 1rem;
  font-style: italic;
  color: #334155;
}

.markdown-content table {
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  overflow: hidden;
}

.markdown-content table th,
.markdown-content table td {
  padding: 0.75rem 1rem;
}

.hidden {
  display: none !important;
}