/* ==========================================================================
   Unified Theme CSS - AlexHades Design System
   Shared CSS variables and public component styles for consistent theming
   across md-evaluate and cbcc-full-stack subsystems.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Light Theme (default)
   -------------------------------------------------------------------------- */
:root {
  /* Primary colors */
  --color-primary-50: #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;
  --color-primary-950: #172554;

  /* Background colors */
  --color-background: #ffffff;
  --color-background-secondary: #f9fafb;
  --color-background-tertiary: #f3f4f6;

  /* Text colors */
  --color-text: #111827;
  --color-text-secondary: #4b5563;
  --color-text-muted: #9ca3af;
  --color-text-inverse: #ffffff;

  /* Border colors */
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  --color-border-dark: #d1d5db;

  /* Card colors */
  --color-card: #ffffff;
  --color-card-hover: #f9fafb;
}

/* --------------------------------------------------------------------------
   Dark Theme
   -------------------------------------------------------------------------- */
.dark {
  --color-primary-50: #172554;
  --color-primary-100: #1e3a8a;
  --color-primary-200: #1e40af;
  --color-primary-300: #1d4ed8;
  --color-primary-400: #2563eb;
  --color-primary-500: #3b82f6;
  --color-primary-600: #60a5fa;
  --color-primary-700: #93c5fd;
  --color-primary-800: #bfdbfe;
  --color-primary-900: #dbeafe;
  --color-primary-950: #eff6ff;

  --color-background: #0f172a;
  --color-background-secondary: #1e293b;
  --color-background-tertiary: #334155;

  --color-text: #f1f5f9;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #0f172a;

  --color-border: #334155;
  --color-border-light: #475569;
  --color-border-dark: #1e293b;

  --color-card: #1e293b;
  --color-card-hover: #334155;
}

/* --------------------------------------------------------------------------
   Body - Theme transition animation
   -------------------------------------------------------------------------- */
body {
  background-color: var(--color-background, #ffffff);
  color: var(--color-text, #111827);
  transition: background-color 0.15s ease, color 0.15s ease;
}

/* --------------------------------------------------------------------------
   Unified Card
   -------------------------------------------------------------------------- */
.unified-card {
  background-color: var(--color-card, #ffffff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 12px;
  transition: all 0.2s ease;
}

.unified-card:hover {
  background-color: var(--color-card-hover, #f9fafb);
  border-color: var(--color-border-dark, #d1d5db);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* --------------------------------------------------------------------------
   Unified Primary Button
   -------------------------------------------------------------------------- */
.unified-btn-primary {
  background-color: var(--color-primary-500, #3b82f6);
  color: var(--color-text-inverse, #ffffff);
  border: none;
  border-radius: 6px;
  padding: 0.625rem 1.25rem;
  font-weight: 600;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  transition: all 0.2s ease;
}

.unified-btn-primary:hover {
  background-color: var(--color-primary-600, #2563eb);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.unified-btn-primary:active {
  background-color: var(--color-primary-700, #1d4ed8);
}

/* --------------------------------------------------------------------------
   Unified Input Focus
   -------------------------------------------------------------------------- */
.unified-input:focus {
  border-color: var(--color-primary-500, #3b82f6);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
  outline: none;
}

/* --------------------------------------------------------------------------
   Responsive Container
   -------------------------------------------------------------------------- */
.container-responsive {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container-responsive {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container-responsive {
    padding: 0 2rem;
  }
}

/* --------------------------------------------------------------------------
   Theme Toggle
   -------------------------------------------------------------------------- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0.5rem;
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 8px;
  background-color: var(--color-background-secondary, #f9fafb);
  color: var(--color-text, #111827);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.875rem;
  line-height: 1;
}

.theme-toggle:hover {
  background-color: var(--color-background-tertiary, #f3f4f6);
  border-color: var(--color-border-dark, #d1d5db);
}

/* --------------------------------------------------------------------------
   Language Switcher
   -------------------------------------------------------------------------- */
.lang-switcher {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 8px;
  background-color: var(--color-background-secondary, #f9fafb);
  color: var(--color-text, #111827);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.875rem;
}

.lang-switcher:hover {
  background-color: var(--color-background-tertiary, #f3f4f6);
  border-color: var(--color-border-dark, #d1d5db);
}

.lang-switcher-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.25rem;
  min-width: 140px;
  background-color: var(--color-card, #ffffff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  overflow: hidden;
}

.lang-switcher-dropdown a,
.lang-switcher-dropdown button {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  min-height: 44px;
  color: var(--color-text, #111827);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.15s ease;
  font-size: 0.875rem;
  text-decoration: none;
}

.lang-switcher-dropdown a:hover,
.lang-switcher-dropdown button:hover {
  background-color: var(--color-background-tertiary, #f3f4f6);
}

/* --------------------------------------------------------------------------
   Unified Header
   -------------------------------------------------------------------------- */
.unified-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-background-secondary, #f9fafb);
  border-bottom: 1px solid var(--color-border, #e5e7eb);
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.unified-header-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-500, #3b82f6);
  white-space: nowrap;
}

.unified-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.lang-switcher-icon {
  margin-right: 0.25rem;
}

.lang-switcher-arrow {
  margin-left: 0.25rem;
  font-size: 0.75rem;
}

@media (max-width: 480px) {
  .unified-header {
    padding: 0.5rem 1rem;
  }

  .unified-header-title {
    font-size: 1rem;
    width: 100%;
    text-align: center;
  }

  .unified-header-actions {
    width: 100%;
    justify-content: center;
  }
}


/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.unified-footer {
  background: var(--color-background-secondary, #f9fafb);
  color: var(--color-text-secondary, #4b5563);
  text-align: center;
  padding: 2rem;
  margin-top: 3rem;
  border-top: 2px solid var(--color-primary-500, #3b82f6);
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.unified-footer p {
  color: var(--color-text-muted, #9ca3af);
  font-size: 0.95rem;
  margin: 0.5rem 0;
}

.unified-footer a {
  color: var(--color-text-muted, #9ca3af);
  text-decoration: none;
  transition: all 0.3s ease;
}

.unified-footer a:hover {
  color: var(--color-primary-500, #3b82f6);
}