/* Global Styles - PuzzelLog */
/* Mobile-first responsive design */

:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --secondary: #64748b;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --background: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --shadow: rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--background);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: -8px;
}

.col {
  flex: 1;
  padding: 8px;
  min-width: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.5em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

/* Responsive utilities */
.mobile-only { display: block; }
.tablet-only { display: none; }
.desktop-only { display: none; }

.text-center { text-align: center; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

@media (min-width: 768px) {
  .container { padding: 0 24px; }
  .mobile-only { display: none; }
  .tablet-only { display: block; }
}

@media (min-width: 1024px) {
  .container { padding: 0 32px; }
  .tablet-only { display: none; }
  .desktop-only { display: block; }
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
}