:root {
  /* 2026 Trend: "Digital Midnight" - Deep, rich darks with vibrant neon accents */
  --bg-dark: #020617;       /* Very deep slate/navy */
  --bg-card: #0f172a;       /* Slightly lighter slate for cards */
  --bg-input: #1e293b;      /* Distinct input background */
  
  --text-main: #f8fafc;     /* Almost white for primary text */
  --text-muted: #94a3b8;    /* Muted blue-grey for secondary text */
  
  --primary: #6366f1;       /* Indigo */
  --primary-hover: #4f46e5;
  --accent: #06b6d4;        /* Cyan/Teal for highlights */
  --accent-glow: rgba(6, 182, 212, 0.4);
  
  --border: #334155;        /* Subtle border color */
  --radius: 16px;           /* Modern rounded corners */
  
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%); /* Indigo to Purple */
  --gradient-surface: linear-gradient(180deg, rgba(30, 41, 59, 0.7) 0%, rgba(15, 23, 42, 0.8) 100%);

  /* Aliases for backward compatibility */
  --muted: var(--text-muted);
  --accent1: var(--primary);
  --accent2: var(--accent);
  --surface: var(--bg-card);
}

/* Reset & Base */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(6, 182, 212, 0.08) 0%, transparent 25%);
  color: var(--text-main);
  font-family: 'Barlow Semi Condensed', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: #22d3ee;
  text-shadow: 0 0 8px var(--accent-glow);
}

/* Header */
header.site-header {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

header h1 {
  font-weight: 700;
  letter-spacing: -0.5px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

/* Navigation */
#navlinks {
  display: flex;
  gap: 1rem;
  align-items: center;
}

#navlinks a.navlink {
  background: transparent;
  color: var(--text-muted);
  padding: 0.6rem 1rem;
  border-radius: 12px;
  font-weight: 500;
  transition: all 0.2s ease;
}

#navlinks a.navlink:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

#navlinks a.navlink.active {
  background: var(--bg-input);
  color: var(--text-main);
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Inputs & Forms - High Contrast & Modern */
input, textarea, select {
  background-color: var(--bg-input) !important;
  color: var(--text-main) !important;
  border: 1px solid var(--border) !important;
  border-radius: 12px !important;
  padding: 0.8rem 1rem !important;
  font-size: 1rem !important;
  transition: all 0.2s ease !important;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2) !important;
}

input::placeholder, textarea::placeholder {
  color: var(--text-muted) !important;
  opacity: 0.7;
}

input:focus, textarea:focus, select:focus {
  outline: none !important;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2), inset 0 2px 4px rgba(0, 0, 0, 0.2) !important;
  background-color: #253045 !important; /* Slightly lighter on focus */
}

/* Buttons */
.button {
  border-radius: 12px;
  padding: 0.8rem 1.5rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.button-pill.background-primary-500 {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.button-pill.background-primary-500:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
  filter: brightness(1.1);
}

/* Cards / Stats Wrapper */
.stats-wrapper, #result, #app {
  background-color: var(--bg-card) !important;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  color: var(--text-main);
}

/* Tables */
table.stats-results-table,
.stats-results-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: transparent !important;
  background-color: transparent !important;
}

table.stats-results-table th,
.stats-results-table th {
  text-align: left;
  padding: 1rem;
  color: var(--text-muted) !important;
  font-weight: 600;
  border-bottom: 1px solid var(--border) !important;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
  background: transparent !important;
  background-color: transparent !important;
}

table.stats-results-table td,
.stats-results-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03) !important;
  color: var(--text-main) !important;
  background: transparent !important;
  background-color: transparent !important;
}

table.stats-results-table tr,
.stats-results-table tr {
  background: transparent !important;
  background-color: transparent !important;
  transition: background 0.2s ease;
}

table.stats-results-table tr:last-child td,
.stats-results-table tr:last-child td {
  border-bottom: none !important;
}

table.stats-results-table tr:hover td,
.stats-results-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02) !important;
}

/* Hamburger Menu */
.hamburger {
  background: transparent;
  border: 1px solid var(--border);
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  display: none;
}

.hamburger .bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-main);
  margin: 5px 0;
  border-radius: 2px;
  transition: 0.3s;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  
  #navlinks {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  }
  
  #navlinks.open {
    display: flex;
  }
  
  .stats-wrapper {
    flex-direction: column;
    gap: 1rem;
  }
  
  .container {
    padding: 0 1rem;
  }
}

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }

/* Flags */
.lang-flag {
  width: 24px;
  height: 18px;
  display: inline-block;
  border-radius: 4px;
  transition: transform 0.2s;
  opacity: 0.8;
  background-size: cover;
  background-position: center;
}
.lang-flag:hover {
  transform: scale(1.1);
  opacity: 1;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.03);
  background: transparent;
  margin-top: 2rem;
}