:root {
  --bg-dark: #0f172a;
  --panel-bg: rgba(30, 41, 59, 0.85);
  --border-color: rgba(255, 255, 255, 0.12);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-primary: #6366f1;
  --accent-hover: #4f46e5;
  
  --ludo-red: #ef4444;
  --ludo-green: #22c55e;
  --ludo-yellow: #eab308;
  --ludo-blue: #3b82f6;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
  background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
}

.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-hover) 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

.input-field {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-main);
  outline: none;
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

.input-field:focus {
  border-color: var(--accent-primary);
}

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  background: #1e293b;
  color: #fff;
  border-left: 4px solid var(--accent-primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  z-index: 9999;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}