/**
 * Theme styles - Dark mode support
 */

/* Dark Theme Colors */
[data-theme='dark'] {
  --bg-primary: #1a202c;
  --bg-secondary: #2d3748;
  --bg-glass: rgba(45, 55, 72, 0.85);
  --text-primary: #f7fafc;
  --text-secondary: #e2e8f0;
  --text-muted: #a0aec0;
  --accent-primary: #63b3ed;
  --accent-hover: #4299e1;
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
}

/* Theme toggle button */
.theme-toggle {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 100;
}

.theme-toggle:hover {
  transform: scale(1.1) rotate(15deg);
  box-shadow: var(--shadow-md);
}

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

/* Dark mode specific adjustments */
[data-theme='dark'] .instructions {
  background: linear-gradient(135deg, rgba(99, 179, 237, 0.15), rgba(102, 126, 234, 0.15));
}

[data-theme='dark'] .radio-label {
  background: rgba(0, 0, 0, 0.7);
  color: var(--text-primary);
}

[data-theme='dark'] input[type='range'] {
  background: linear-gradient(
    to right,
    var(--accent-primary) 0%,
    rgba(255, 255, 255, 0.1) 0%
  );
}

[data-theme='dark'] .error-message {
  background: #fc8181;
  color: #1a202c;
}

/* Smooth theme transition */
body,
.content,
.theme-toggle,
h1,
.subtitle,
.credits,
.section-title,
.control-label,
input[type='range'],
.type-cc,
.download-link {
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}