/**
 * Default Template - Enhanced Animations & Effects
 * 动画特效增强
 */

/* ============================================
   CSS Variables for Animations
   ============================================ */
:root {
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --glow-primary: 0 0 20px rgba(91, 106, 245, 0.3);
  --glow-strong: 0 0 30px rgba(91, 106, 245, 0.5);
}

/* ============================================
   Keyframe Animations
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideInUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideInDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes bounceIn {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.05); }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes glow {
  0%, 100% { box-shadow: var(--glow-primary); }
  50% { box-shadow: var(--glow-strong); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes ripple {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2); opacity: 0; }
}

/* ============================================
   Animation Classes
   ============================================ */
.animate-fade-in {
  animation: fadeIn var(--transition-normal) ease forwards;
}

.animate-fade-in-up {
  animation: fadeInUp var(--transition-normal) ease forwards;
}

.animate-fade-in-down {
  animation: fadeInDown var(--transition-normal) ease forwards;
}

.animate-fade-in-left {
  animation: fadeInLeft var(--transition-normal) ease forwards;
}

.animate-fade-in-right {
  animation: fadeInRight var(--transition-normal) ease forwards;
}

.animate-scale-in {
  animation: scaleIn var(--transition-normal) ease forwards;
}

.animate-bounce-in {
  animation: bounceIn var(--transition-bounce) forwards;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-glow {
  animation: glow 2s ease-in-out infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-shimmer {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.animate-gradient {
  background-size: 200% 200%;
  animation: gradientFlow 3s ease infinite;
}

/* Stagger Animation Delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }
.delay-600 { animation-delay: 600ms; }
.delay-700 { animation-delay: 700ms; }
.delay-800 { animation-delay: 800ms; }

/* Initially Hidden for Animation */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Hover Effects
   ============================================ */
.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.hover-scale {
  transition: transform var(--transition-fast);
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-glow {
  transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
  box-shadow: var(--glow-primary);
}

.hover-brightness {
  transition: filter var(--transition-fast);
}

.hover-brightness:hover {
  filter: brightness(1.1);
}

.hover-rotate {
  transition: transform var(--transition-fast);
}

.hover-rotate:hover {
  transform: rotate(5deg);
}

.hover-shake {
  transition: transform var(--transition-fast);
}

.hover-shake:hover {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* ============================================
   Modal & Popup Styles
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-container {
  transform: scale(1) translateY(0);
}

.modal-header {
  background: var(--gradient);
  padding: 20px 24px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: var(--radius) var(--radius) 0 0;
}

.modal-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* ============================================
   Form Enhancements
   ============================================ */
.form-input-animated {
  position: relative;
  margin-bottom: 20px;
}

.form-input-animated label {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 14px;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.form-input-animated input:focus + label,
.form-input-animated input:not(:placeholder-shown) + label {
  top: 0;
  left: 10px;
  font-size: 11px;
  background: var(--card-bg);
  padding: 0 4px;
  color: var(--primary);
}

.input-icon-wrapper {
  position: relative;
}

.input-icon-wrapper i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  transition: color var(--transition-fast);
}

.input-icon-wrapper input:focus ~ i,
.input-icon-wrapper textarea:focus ~ i {
  color: var(--primary);
}

.input-underline {
  border: none;
  border-bottom: 2px solid var(--border);
  border-radius: 0;
  background: transparent;
  transition: border-color var(--transition-fast);
}

.input-underline:focus {
  border-color: var(--primary);
  box-shadow: none;
}

/* Input Focus Animation */
.input-focus-animation {
  position: relative;
}

.input-focus-animation::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

.input-focus-animation:focus-within::after {
  width: 100%;
}

/* ============================================
   Button Effects
   ============================================ */
.btn-effect {
  position: relative;
  overflow: hidden;
}

.btn-effect::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
}

.btn-effect:active::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--gradient);
  border: none;
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

/* Ripple Effect */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: scale(0);
  animation: ripple-animation 0.6s linear;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ============================================
   Card Effects
   ============================================ */
.card-3d {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.card-3d:hover {
  transform: rotateY(5deg) rotateX(5deg);
}

.card-flip {
  perspective: 1000px;
}

.card-flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.card-flip:hover .card-flip-inner {
  transform: rotateY(180deg);
}

.card-flip-front,
.card-flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
}

.card-flip-back {
  transform: rotateY(180deg);
}

/* ============================================
   Loading States
   ============================================ */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: rotate 1s linear infinite;
}

.loading-dots {
  display: flex;
  gap: 4px;
}

.loading-dots span {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: loading-bounce 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes loading-bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--border) 25%, var(--card-bg) 50%, var(--border) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================
   Tooltip Styles
   ============================================ */
.tooltip-custom {
  position: relative;
}

.tooltip-custom::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-5px);
  padding: 6px 12px;
  background: var(--surface);
  color: var(--text);
  font-size: 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 100;
  border: 1px solid var(--border);
}

.tooltip-custom:hover::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-10px);
}

/* ============================================
   Notification Toast
   ============================================ */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 14px 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInRight 0.3s ease;
  min-width: 280px;
  max-width: 400px;
}

.toast.toast-success { border-left: 4px solid var(--success); }
.toast.toast-error { border-left: 4px solid var(--danger); }
.toast.toast-warning { border-left: 4px solid var(--warning); }
.toast.toast-info { border-left: 4px solid var(--primary); }

.toast-icon {
  font-size: 20px;
}

.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--danger); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-info .toast-icon { color: var(--primary); }

.toast-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  padding: 4px;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* ============================================
   Progress Indicators
   ============================================ */
.progress-bar-animated {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-animated-fill {
  height: 100%;
  background: var(--gradient);
  border-radius: 3px;
  transition: width 0.5s ease;
  position: relative;
}

.progress-bar-animated-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

/* ============================================
   Mobile Menu Animation
   ============================================ */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--surface);
  z-index: 9998;
  transition: right var(--transition-normal);
  padding: 80px 20px 20px;
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9997;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-toggle-animated span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--primary);
  margin: 6px 0;
  transition: all var(--transition-fast);
}

.mobile-toggle-animated.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.mobile-toggle-animated.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle-animated.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* ============================================
   Image Effects
   ============================================ */
.img-zoom {
  overflow: hidden;
}

.img-zoom img {
  transition: transform var(--transition-slow);
}

.img-zoom:hover img {
  transform: scale(1.1);
}

.img-grayscale {
  filter: grayscale(100%);
  transition: filter var(--transition-normal);
}

.img-grayscale:hover {
  filter: grayscale(0%);
}

.img-sepia {
  filter: sepia(100%);
  transition: filter var(--transition-normal);
}

.img-sepia:hover {
  filter: sepia(0%);
}

/* ============================================
   Parallax Effect
   ============================================ */
.parallax-container {
  overflow: hidden;
  position: relative;
}

.parallax-bg {
  position: absolute;
  top: -20%;
  left: 0;
  right: 0;
  height: 140%;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

/* ============================================
   Reveal on Scroll
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all var(--transition-slow);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all var(--transition-slow);
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all var(--transition-slow);
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition-slow);
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* ============================================
   Responsive Utilities
   ============================================ */
@media (max-width: 768px) {
  .modal-container {
    max-width: 95%;
    margin: 20px;
  }
  
  .toast-container {
    left: 10px;
    right: 10px;
    top: 10px;
  }
  
  .toast {
    min-width: auto;
    max-width: 100%;
  }
}