/**
 * Ultimate Countdown Timer - Frontend Styles
 * 
 * @package UltimateCountdownTimer
 */

/* CSS Custom Properties for theming */
:root {
  --uct-font-family: 'Roboto Mono', 'Courier New', monospace;
  --uct-font-family-labels: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --uct-border-radius: 12px;
  --uct-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --uct-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  --uct-shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.15);
}

/* Base Timer Styles */
.uct-timer {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  font-family: var(--uct-font-family);
  margin: 20px 0;
  padding: 0;
  box-sizing: border-box;
  overflow: hidden;
}

.uct-timer * {
  box-sizing: border-box;
}

.uct-timer-container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.uct-timer-units {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 24px;
  border-radius: var(--uct-border-radius);
  background: var(--uct-bg-color, #1a1a1a);
  box-shadow: var(--uct-shadow);
  transition: var(--uct-transition);
}

.uct-timer-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 80px;
  position: relative;
}

.uct-timer-number {
  font-family: var(--uct-font-family);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--uct-text-color, #ffffff);
  text-align: center;
  min-height: 1.2em;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--uct-transition);
}

.uct-timer-label {
  font-family: var(--uct-font-family-labels);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--uct-text-color, #ffffff);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 8px;
  text-align: center;
  opacity: 0.8;
  transition: var(--uct-transition);
}

/* Digital Style Enhancements */
.uct-digital-style .uct-timer-unit {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 16px 12px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--uct-transition);
}

.uct-digital-style .uct-timer-unit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-color: var(--uct-accent-color, #ff6b35);
}

.uct-digital-style .uct-timer-number {
  background: linear-gradient(135deg, var(--uct-text-color, #ffffff), var(--uct-accent-color, #ff6b35));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
}

/* Flip Clock Style */
.uct-flip-style .uct-timer-unit {
  perspective: 400px;
}

.uct-flip-container {
  position: relative;
  width: 80px;
  height: 80px;
  margin-bottom: 8px;
}

.uct-flip-card {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 8px;
  background: var(--uct-bg-color, #1a1a1a);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.uct-flip-top,
.uct-flip-bottom {
  position: absolute;
  width: 100%;
  height: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.uct-flip-top {
  top: 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 8px 8px 0 0;
}

.uct-flip-bottom {
  bottom: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0 0 8px 8px;
  background: linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%);
}

.uct-flip-card .uct-timer-number {
  font-size: 2rem;
  color: var(--uct-text-color, #ffffff);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.uct-flipping .uct-flip-top {
  animation: uct-flip-top 0.3s ease-in forwards;
}

.uct-flipping .uct-flip-bottom {
  animation: uct-flip-bottom 0.3s ease-out 0.15s forwards;
}

@keyframes uct-flip-top {
  0% { transform: rotateX(0deg); }
  100% { transform: rotateX(-90deg); }
}

@keyframes uct-flip-bottom {
  0% { transform: rotateX(90deg); }
  100% { transform: rotateX(0deg); }
}

/* Timer Separators for Flip Style */
.uct-flip-style .uct-timer-separator {
  font-size: 2rem;
  font-weight: 700;
  color: var(--uct-text-color, #ffffff);
  opacity: 0.6;
  margin: 0 8px;
  align-self: flex-start;
  margin-top: 20px;
}

/* Theme Variations */

/* Dark Theme */
.uct-theme-dark {
  --uct-bg-color: #1a1a1a;
  --uct-text-color: #ffffff;
  --uct-accent-color: #ff6b35;
}

/* Blue Theme */
.uct-theme-blue {
  --uct-bg-color: #1e3a8a;
  --uct-text-color: #ffffff;
  --uct-accent-color: #60a5fa;
}

.uct-theme-blue .uct-timer-units {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #2563eb 100%);
}

/* Orange Theme */
.uct-theme-orange {
  --uct-bg-color: #ea580c;
  --uct-text-color: #ffffff;
  --uct-accent-color: #fed7aa;
}

.uct-theme-orange .uct-timer-units {
  background: linear-gradient(135deg, #ea580c 0%, #dc2626 50%, #b91c1c 100%);
}

/* Neon Green Theme */
.uct-theme-neon-green {
  --uct-bg-color: #0f172a;
  --uct-text-color: #10b981;
  --uct-accent-color: #6ee7b7;
}

.uct-theme-neon-green .uct-timer-units {
  background: linear-gradient(135deg, #0f172a 0%, #1f2937 50%, #374151 100%);
  border: 1px solid #10b981;
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.3);
}

.uct-theme-neon-green .uct-timer-number {
  text-shadow: 0 0 20px rgba(16, 185, 129, 0.6);
}

/* Size Variations */

/* Small Size */
.uct-size-small .uct-timer-units {
  padding: 16px;
  gap: 12px;
}

.uct-size-small .uct-timer-unit {
  min-width: 60px;
}

.uct-size-small .uct-timer-number {
  font-size: 1.75rem;
}

.uct-size-small .uct-timer-label {
  font-size: 0.75rem;
  margin-top: 4px;
}

.uct-size-small .uct-flip-container {
  width: 60px;
  height: 60px;
}

.uct-size-small .uct-flip-card .uct-timer-number {
  font-size: 1.5rem;
}

/* Medium Size (default) */
.uct-size-medium .uct-timer-units {
  padding: 24px;
  gap: 16px;
}

.uct-size-medium .uct-timer-unit {
  min-width: 80px;
}

.uct-size-medium .uct-timer-number {
  font-size: 2.5rem;
}

/* Large Size */
.uct-size-large .uct-timer-units {
  padding: 32px;
  gap: 24px;
}

.uct-size-large .uct-timer-unit {
  min-width: 100px;
}

.uct-size-large .uct-timer-number {
  font-size: 3.5rem;
}

.uct-size-large .uct-timer-label {
  font-size: 1rem;
  margin-top: 12px;
}

.uct-size-large .uct-flip-container {
  width: 100px;
  height: 100px;
}

.uct-size-large .uct-flip-card .uct-timer-number {
  font-size: 2.5rem;
}

/* Animation Styles */
.uct-animated {
  position: relative;
}

.uct-animated .uct-timer-units {
  animation: uct-glow 3s ease-in-out infinite alternate;
}

.uct-timer-bg-animation {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, 
    var(--uct-accent-color, #ff6b35) 0%, 
    transparent 50%, 
    var(--uct-accent-color, #ff6b35) 100%);
  opacity: 0.1;
  animation: uct-shimmer 2s linear infinite;
  border-radius: var(--uct-border-radius);
  z-index: 1;
}

@keyframes uct-glow {
  0% {
    box-shadow: var(--uct-shadow);
  }
  100% {
    box-shadow: var(--uct-shadow-hover), 0 0 30px rgba(255, 107, 53, 0.2);
  }
}

@keyframes uct-shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Urgency States */
.uct-urgent .uct-timer-units {
  animation: uct-pulse 1s ease-in-out infinite;
}

.uct-critical .uct-timer-units {
  animation: uct-critical-pulse 0.5s ease-in-out infinite;
}

@keyframes uct-pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: var(--uct-shadow);
  }
  50% {
    transform: scale(1.02);
    box-shadow: var(--uct-shadow-hover), 0 0 40px rgba(255, 107, 53, 0.4);
  }
}

@keyframes uct-critical-pulse {
  0%, 100% {
    transform: scale(1);
    filter: brightness(1);
  }
  50% {
    transform: scale(1.05);
    filter: brightness(1.2);
  }
}

/* Expired State */
.uct-timer-expired {
  display: none;
  text-align: center;
  padding: 32px;
  border-radius: var(--uct-border-radius);
  background: rgba(220, 38, 38, 0.1);
  border: 2px solid #dc2626;
  color: #dc2626;
}

.uct-expired-message {
  font-family: var(--uct-font-family-labels);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.uct-expired .uct-timer-expired {
  display: block;
}

.uct-expired .uct-timer-units {
  display: none;
}

/* Update Animation */
.uct-timer-number.uct-updating {
  animation: uct-update-flash 0.2s ease-in-out;
}

@keyframes uct-update-flash {
  0% { opacity: 1; }
  50% { opacity: 0.6; transform: scale(0.95); }
  100% { opacity: 1; transform: scale(1); }
}

/* Responsive Design */

/* Tablet */
@media (max-width: 768px) {
  .uct-timer-units {
    gap: 12px;
    padding: 20px;
  }
  
  .uct-timer-unit {
    min-width: 70px;
  }
  
  .uct-timer-number {
    font-size: 2rem;
  }
  
  .uct-timer-label {
    font-size: 0.75rem;
  }
  
  .uct-size-large .uct-timer-number {
    font-size: 2.75rem;
  }
  
  .uct-flip-container {
    width: 70px;
    height: 70px;
  }
}

/* Mobile */
@media (max-width: 480px) {
  .uct-timer.uct-mobile .uct-timer-units {
    gap: 8px;
    padding: 16px;
  }
  
  .uct-timer.uct-mobile .uct-timer-unit {
    min-width: 60px;
  }
  
  .uct-timer.uct-mobile .uct-timer-number {
    font-size: 1.5rem;
  }
  
  .uct-timer.uct-mobile .uct-timer-label {
    font-size: 0.7rem;
    margin-top: 4px;
  }
  
  .uct-timer.uct-mobile .uct-flip-container {
    width: 50px;
    height: 50px;
  }
  
  .uct-timer.uct-mobile .uct-flip-card .uct-timer-number {
    font-size: 1.25rem;
  }
}

/* Stacked Layout for Very Small Screens */
@media (max-width: 320px) {
  .uct-timer.uct-stacked .uct-timer-units {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }
  
  .uct-timer.uct-stacked .uct-timer-unit {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    min-width: auto;
    padding: 12px 16px;
  }
  
  .uct-timer.uct-stacked .uct-timer-label {
    margin-top: 0;
    margin-left: 12px;
    order: 2;
  }
  
  .uct-timer.uct-stacked .uct-timer-number,
  .uct-timer.uct-stacked .uct-flip-container {
    order: 1;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .uct-timer-units {
    border: 2px solid var(--uct-text-color, #ffffff);
  }
  
  .uct-digital-style .uct-timer-unit {
    border: 1px solid var(--uct-text-color, #ffffff);
    background: var(--uct-bg-color, #1a1a1a);
  }
  
  .uct-timer-number {
    text-shadow: none;
    background: none !important;
    -webkit-text-fill-color: var(--uct-text-color, #ffffff) !important;
    color: var(--uct-text-color, #ffffff) !important;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .uct-timer *,
  .uct-timer *::before,
  .uct-timer *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .uct-timer-bg-animation {
    display: none;
  }
}

/* Print Styles */
@media print {
  .uct-timer {
    break-inside: avoid;
    color: #000 !important;
  }
  
  .uct-timer-units {
    background: #fff !important;
    border: 2px solid #000 !important;
    box-shadow: none !important;
  }
  
  .uct-timer-number,
  .uct-timer-label {
    color: #000 !important;
    text-shadow: none !important;
  }
  
  .uct-timer-bg-animation {
    display: none !important;
  }
}

/* Error State */
.uct-error {
  background: #fee2e2;
  border: 1px solid #fca5a5;
  border-radius: 8px;
  padding: 16px;
  color: #dc2626;
  font-family: var(--uct-font-family-labels);
  text-align: center;
  margin: 20px 0;
}

/* Loading State */
.uct-timer-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px;
  color: var(--uct-text-color, #666);
}

.uct-timer-loading::after {
  content: '';
  width: 20px;
  height: 20px;
  border: 2px solid var(--uct-accent-color, #ff6b35);
  border-top: 2px solid transparent;
  border-radius: 50%;
  animation: uct-spin 1s linear infinite;
  margin-left: 12px;
}

@keyframes uct-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* WooCommerce Integration */
.uct-cart-expired-notice {
  background: #fee2e2;
  border: 1px solid #fca5a5;
  color: #dc2626;
  padding: 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}

/* Accessibility Improvements */
.uct-timer:focus-within {
  outline: 2px solid var(--uct-accent-color, #ff6b35);
  outline-offset: 4px;
}

.uct-timer-unit[tabindex] {
  cursor: pointer;
  transition: var(--uct-transition);
}

.uct-timer-unit[tabindex]:focus {
  outline: 2px solid var(--uct-accent-color, #ff6b35);
  outline-offset: 2px;
  transform: scale(1.05);
}

/* Screen Reader Only Text */
.uct-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;
}