/**
 * Material Design 3 - Light/Dark Theme
 * Common CSS variables and base styles
 * Used across all admin and public pages
 */

:root {
  /* MD3 Color Tokens - Light Theme (default) */
  --md-sys-color-primary: #1B5FB5;
  --md-sys-color-on-primary: #FFFFFF;
  --md-sys-color-primary-container: #D8E2FF;
  --md-sys-color-on-primary-container: #001A41;

  --md-sys-color-secondary: #555F71;
  --md-sys-color-on-secondary: #FFFFFF;

  --md-sys-color-error: #BA1A1A;
  --md-sys-color-on-error: #FFFFFF;
  --md-sys-color-error-container: #FFDAD6;
  --md-sys-color-on-error-container: #410002;

  --md-sys-color-success: #2E7D32;

  --md-sys-color-surface: #FDFBFF;
  --md-sys-color-on-surface: #1A1C1E;
  --md-sys-color-surface-variant: #E0E2EC;
  --md-sys-color-on-surface-variant: #44474E;
  --md-sys-color-outline: #74777F;
  --md-sys-color-outline-variant: #C4C6D0;

  --md-sys-color-background: #FDFBFF;
  --md-sys-color-on-background: #1A1C1E;

  --md-sys-color-surface-1: #F3F3F7;
  --md-sys-color-surface-2: #ECECF0;
  --md-sys-color-surface-3: #E5E5E9;

  /* MD3 Elevation - Light */
  --md-sys-elevation-1: 0px 1px 2px 0px rgba(0, 0, 0, 0.15), 0px 1px 3px 1px rgba(0, 0, 0, 0.08);
  --md-sys-elevation-2: 0px 1px 2px 0px rgba(0, 0, 0, 0.15), 0px 2px 6px 2px rgba(0, 0, 0, 0.08);
  --md-sys-elevation-3: 0px 1px 3px 0px rgba(0, 0, 0, 0.15), 0px 4px 8px 3px rgba(0, 0, 0, 0.08);

  /* Theme transition */
  --theme-transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Dark Theme */
[data-theme="dark"] {
  --md-sys-color-primary: #A8C7FA;
  --md-sys-color-on-primary: #062E6F;
  --md-sys-color-primary-container: #1B4694;
  --md-sys-color-on-primary-container: #D8E2FF;

  --md-sys-color-secondary: #BCC7DB;
  --md-sys-color-on-secondary: #263141;

  --md-sys-color-error: #FFB4AB;
  --md-sys-color-on-error: #690005;
  --md-sys-color-error-container: #93000A;
  --md-sys-color-on-error-container: #FFDAD6;

  --md-sys-color-success: #4CAF50;

  --md-sys-color-surface: #1A1C1E;
  --md-sys-color-on-surface: #E2E2E6;
  --md-sys-color-surface-variant: #43474E;
  --md-sys-color-on-surface-variant: #C3C6CF;
  --md-sys-color-outline: #8D9199;
  --md-sys-color-outline-variant: #43474E;

  --md-sys-color-background: #1A1C1E;
  --md-sys-color-on-background: #E2E2E6;

  --md-sys-color-surface-1: #22252a;
  --md-sys-color-surface-2: #272a2f;
  --md-sys-color-surface-3: #2c2f34;

  /* MD3 Elevation - Dark */
  --md-sys-elevation-1: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 1px 3px 1px rgba(0, 0, 0, 0.15);
  --md-sys-elevation-2: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 2px 6px 2px rgba(0, 0, 0, 0.15);
  --md-sys-elevation-3: 0px 1px 3px 0px rgba(0, 0, 0, 0.3), 0px 4px 8px 3px rgba(0, 0, 0, 0.15);
}

/* Auto dark theme based on system preference */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --md-sys-color-primary: #A8C7FA;
    --md-sys-color-on-primary: #062E6F;
    --md-sys-color-primary-container: #1B4694;
    --md-sys-color-on-primary-container: #D8E2FF;

    --md-sys-color-secondary: #BCC7DB;
    --md-sys-color-on-secondary: #263141;

    --md-sys-color-error: #FFB4AB;
    --md-sys-color-on-error: #690005;
    --md-sys-color-error-container: #93000A;
    --md-sys-color-on-error-container: #FFDAD6;

    --md-sys-color-success: #4CAF50;

    --md-sys-color-surface: #1A1C1E;
    --md-sys-color-on-surface: #E2E2E6;
    --md-sys-color-surface-variant: #43474E;
    --md-sys-color-on-surface-variant: #C3C6CF;
    --md-sys-color-outline: #8D9199;
    --md-sys-color-outline-variant: #43474E;

    --md-sys-color-background: #1A1C1E;
    --md-sys-color-on-background: #E2E2E6;

    --md-sys-color-surface-1: #22252a;
    --md-sys-color-surface-2: #272a2f;
    --md-sys-color-surface-3: #2c2f34;

    --md-sys-elevation-1: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 1px 3px 1px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-2: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 2px 6px 2px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-3: 0px 1px 3px 0px rgba(0, 0, 0, 0.3), 0px 4px 8px 3px rgba(0, 0, 0, 0.15);
  }
}

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

/* Base Body Styles */
body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--md-sys-color-on-background);
  background: var(--md-sys-color-background);
  min-height: 100vh;
  transition: var(--theme-transition);
}

/* Smooth transitions for theme change */
body *:not(.material-icons) {
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

/* Links */
a {
  color: var(--md-sys-color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

/* Code */
code {
  background: var(--md-sys-color-surface-variant);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.9rem;
  color: var(--md-sys-color-primary);
}

/* Material Icons */
.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}

/* Footer */
.footer-links {
  margin-top: 64px;
  padding: 32px 20px 48px;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--md-sys-color-on-surface-variant);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-link:hover,
.footer-link.active {
  color: var(--md-sys-color-primary);
}

.footer-link .material-icons {
  font-size: 18px;
}

.footer-divider {
  color: var(--md-sys-color-outline);
}

/* Responsive */
@media (max-width: 600px) {
  body {
    font-size: 14px;
  }
}