/* styles.css */
:root {
  --bg-primary: #0f0f0f;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #252525;
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0a0;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --border: #2a2a2a;
}

[data-theme="light"] {
  --bg-primary: #f5f5f5;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e8e8e8;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --border: #e0e0e0;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;

}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
}

.theme-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.theme-btn:hover {
  background-color: var(--bg-tertiary);
  transform: scale(1.05);
}

.theme-btn:active {
  transform: scale(0.95);
}

.theme-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.page-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 2rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Button Container */
.page-container > div:first-child {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1.5rem;
  background-color: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--border);
}

/* Buttons */
button {
  background-color: var(--accent);
  border: none;
  color: white;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.2s ease;
  flex: 1;
  min-width: 140px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.keyboard-shortcut {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: monospace;
  min-width: 1.5rem;
}

button:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

/* Box Container */
.page-container > div:last-child {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Box styling */
.box {
  background-color: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 2rem;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: all 0.2s ease;
}

.box:hover {
  background-color: var(--bg-tertiary);
}

.box:empty::before {
  content: 'Click a button to get random words';
  color: var(--text-secondary);
  font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
  .page-container {
    padding: 2rem 1rem;
  }

  button {
    min-width: 100%;
    flex: none;
  }
}