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

:root {
  --bg: #f5f0eb;
  --surface: #ffffff;
  --primary: #d4845a;
  --primary-dark: #b8694a;
  --text: #2c2420;
  --text-light: #6b5e56;
  --border: #e0d6cc;
  --success: #5a9e6f;
  --danger: #c0564f;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --radius: 10px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  padding: 10px 20px;
  transition: background 0.15s, transform 0.1s;
}

button:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-success {
  background: var(--success);
  color: white;
}