/* Global Theme System CSS Variables */
/* These are overridden by JavaScript based on selected scheme */

:root {
  /* Default scheme (will be overridden) */
  --color-primary: #2563eb;
  --color-primary-dark: #1e40af;
  --color-accent: #3b82f6;
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-light: #666666;
  --color-border: #e0e0e0;
  --color-success: #10b981;
  --color-warning: #f59e0b;
}

/* Theme Switcher Styles */
.theme-switcher {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background: var(--color-surface);
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  border: 1px solid var(--color-border);
  font-size: 12px;
}

.theme-switcher label {
  font-weight: 600;
  color: var(--color-text-light);
  display: block;
  margin-bottom: 5px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.theme-btn,
.theme-type-btn {
  padding: 6px 12px;
  border: 2px solid var(--color-border);
  background: var(--color-bg);
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  transition: all 0.2s;
  color: var(--color-text);
}

.theme-btn:hover,
.theme-type-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-surface);
}

.theme-btn.active,
.theme-type-btn.active {
  background: var(--color-primary) !important;
  color: white !important;
  border-color: var(--color-primary) !important;
}

/* Printer-Friendly Theme 1 (High Contrast) */
body.theme-printer1 {
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-text: #000000;
  --color-text-light: #333333;
  --color-border: #000000;
  --color-primary: #000000;
  --color-primary-dark: #000000;
}

/* Printer-Friendly Theme 2 (Grayscale) */
body.theme-printer2 {
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-text: #000000;
  --color-text-light: #4a4a4a;
  --color-border: #666666;
  --color-primary: #333333;
  --color-primary-dark: #000000;
}

/* OLED Theme (Mobile) */
body.theme-oled {
  --color-bg: #000000;
  --color-surface: #0a0a0a;
  --color-text: #ffffff;
  --color-text-light: #888888;
  --color-border: #1a1a1a;
  --color-primary: #00ff88;
  --color-primary-dark: #00cc6a;
  --color-success: #00ff88;
  --color-warning: #ffaa00;
}

/* Hide theme switcher when printing */
@media print {
  .theme-switcher,
  .print-hide {
    display: none !important;
  }
}

/* Mobile optimization for OLED */
@media (max-width: 768px) {
  .theme-switcher {
    top: 10px;
    right: 10px;
    padding: 10px;
    font-size: 10px;
  }

  .theme-btn,
  .theme-type-btn {
    padding: 8px 10px;
    font-size: 10px;
  }
}