/**
 * BigCat Codeworks Utility Classes
 * Common utility classes for rapid development
 * 
 * Import order: _tokens.css → base.css → layout.css → components → utilities.css
 */

/* ===== BUTTON UTILITIES ===== */
/* Note: Button styles have been moved to dedicated buttons.css file */

/* ===== SPACING UTILITIES ===== */

/* Margin Bottom */
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

/* Margin Top */
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

/* Padding */
.p-6 { padding: var(--spacing-6); }

/* ===== GRID UTILITIES ===== */

/* Responsive Grid Columns */
@media (min-width: 768px) {
  .md\\:grid--cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\\:grid--cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ===== FLEXBOX UTILITIES ===== */

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-6 { gap: var(--spacing-6); }

/* ===== TEXT UTILITIES ===== */

.text-center { text-align: center; }
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }

/* ===== COLOR UTILITIES ===== */

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-cyber-pink { color: var(--color-primary); }

/* ===== BORDER UTILITIES ===== */

.border-2 { border-width: 2px; }
.border-cyber-pink { border-color: var(--color-primary); }
.rounded-full { border-radius: var(--radius-full); }

/* ===== BACKGROUND UTILITIES ===== */

.bg-cyber-pink { background-color: var(--color-primary); }
.bg-opacity-10 { background-color: rgba(255, 0, 255, 0.1); }

/* ===== SIZE UTILITIES ===== */

.w-10 { width: 2.5rem; }
.h-10 { height: 2.5rem; }

/* ===== TRANSITION UTILITIES ===== */

.transition-transform { transition: transform var(--duration-fast) var(--ease-cyber-out); }
.transition-colors { transition: color var(--duration-fast) var(--ease-cyber-out); }

/* ===== HOVER UTILITIES ===== */

.hover\\:scale-105:hover { transform: scale(1.05); }
.hover\\:text-cyber-pink:hover { color: var(--color-primary); }

/* ===== MAX WIDTH UTILITIES ===== */

.max-w-2xl { max-width: 42rem; }

/* ===== MARGIN AUTO UTILITIES ===== */

.mx-auto { margin-left: auto; margin-right: auto; }

/* ===== CARD COMPONENT ===== */

.card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  transition: all var(--duration-fast) var(--ease-cyber-out);
}

.card--glowing {
  box-shadow: 0 0 20px rgba(255, 0, 255, 0.1);
}

.card--glowing:hover {
  box-shadow: 0 0 30px rgba(255, 0, 255, 0.2);
  border-color: var(--color-primary);
}

/* ===== LINE CLAMP UTILITY ===== */

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== ACCESSIBILITY UTILITIES ===== */

/* Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 8px;
  text-decoration: none;
  border-radius: var(--radius-lg);
  z-index: var(--z-modal);
  transition: top var(--duration-fast) var(--ease-cyber-out);
}

.skip-link:focus {
  top: 6px;
}

/* ===== HIDDEN STATE UTILITIES ===== */

/* Hidden by default */
.hidden {
  display: none !important;
}

/* Hidden on specific breakpoints */
@media (max-width: 639px) {
  .sm\\:hidden { display: none !important; }
}

@media (min-width: 640px) and (max-width: 767px) {
  .md\\:hidden { display: none !important; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .lg\\:hidden { display: none !important; }
}

@media (min-width: 1024px) {
  .xl\\:hidden { display: none !important; }
}

/* ===== ANIMATION KEYFRAMES ===== */

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ===== NOTIFICATION UTILITIES ===== */

.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: var(--z-modal);
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transform: translateX(100%);
  -webkit-transition: transform var(--duration-fast) var(--ease-cyber-out);
  -moz-transition: transform var(--duration-fast) var(--ease-cyber-out);
  transition: transform var(--duration-fast) var(--ease-cyber-out);
  max-width: 300px;
}

/* Notification Color Variants */
.notification--success {
  background: var(--color-cyber-green);
  color: var(--color-text-inverse);
  border: 2px solid var(--color-cyber-green-light);
}

.notification--info {
  background: var(--color-cyber-cyan);
  color: var(--color-text-inverse);
  border: 2px solid var(--color-cyber-cyan-light);
}

.notification--warning {
  background: var(--color-warning-orange);
  color: var(--color-text-inverse);
  border: 2px solid var(--color-warning-orange-light);
}

.notification--error {
  background: var(--color-error-red);
  color: var(--color-text-inverse);
  border: 2px solid var(--color-error-red-light);
}

.notification--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: 2px solid var(--color-primary-light);
}

/* Notification States */
.notification.show {
  transform: translateX(0);
}

.notification.hide {
  transform: translateX(100%);
}

/* Notification with Icon */
.notification--icon {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.notification__icon {
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

/* Notification Close Button */
.notification__close {
  position: absolute;
  top: var(--spacing-2);
  right: var(--spacing-2);
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: var(--spacing-1);
  border-radius: var(--radius-sm);
  -webkit-transition: background-color var(--duration-fast) var(--ease-cyber-out);
  -moz-transition: background-color var(--duration-fast) var(--ease-cyber-out);
  transition: background-color var(--duration-fast) var(--ease-cyber-out);
}

.notification__close:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Inline Notification Variant */
.notification--inline {
  position: static;
  transform: none;
  margin: var(--spacing-4) 0;
  display: none;
}

.notification--inline.show {
  display: block;
  animation: notification-slide-in 0.3s var(--ease-cyber-out);
}

@keyframes notification-slide-in {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}