:root {
  --primary: #1a3a5f;
  --primary-hover: #0d2842;
  --accent: #f8b400;
  --text: #2d2d2d;
  --muted: #667085;
  --bg: #f6f7f9;
  --card: #ffffff;
  --border: #e5e7eb;
  --ok: #16a34a;
  --warn: #eab308;
  --err: #ef4444;
  --shadow: 0 6px 20px rgba(0,0,0,0.08);
  --radius: 12px;
}

* { 
  box-sizing: border-box; 
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: 'Poppins', 'Noto Sans Thai', 'Noto Sans TC', 'Segoe UI', 'Microsoft YaHei', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

a { 
  color: var(--primary); 
  text-decoration: none; 
}

a:hover { 
  color: var(--primary-hover); 
}

.hidden {
  display: none !important;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(0,0,0,0.03);
  padding: 2px 6px;
  border-radius: 4px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}