@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
  --tu-red: #a51c24;
  --tu-gold: #dfa929;
  --slate-dark: #0f172a;
  --slate-light: #f8fafc;
}

body {
  font-family: 'Outfit', 'Sarabun', sans-serif;
  background-color: var(--slate-light);
  color: #1e293b;
}

.bg-tu-red {
  background-color: var(--tu-red);
}

.text-tu-red {
  color: var(--tu-red);
}

.border-tu-red {
  border-color: var(--tu-red);
}

.bg-tu-gold {
  background-color: var(--tu-gold);
}

.text-tu-gold {
  color: var(--tu-gold);
}

.border-tu-gold {
  border-color: var(--tu-gold);
}

.glass-panel {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-panel-dark {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.gradient-tu {
  background: linear-gradient(135deg, var(--tu-red) 0%, #7f1219 100%);
}

.gradient-gold {
  background: linear-gradient(135deg, var(--tu-gold) 0%, #b8860b 100%);
}

.progress-bar-fill {
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.shadow-premium {
  box-shadow: 0 10px 30px -10px rgba(165, 28, 36, 0.15);
}

.shadow-premium-hover {
  transition: all 0.3s ease;
}

.shadow-premium-hover:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px -15px rgba(165, 28, 36, 0.25);
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type=number] {
  -moz-appearance: textfield;
}