/**
 * ═══════════════════════════════════════════════════════════════════════════
 * SA ĐÉC MARKETING HUB - UI ENHANCEMENTS 2026 - PREMIUM ADD-ONS
 * Micro-animations, Loading States, Hover Effects (Bổ sung)
 *
 * @version 1.0 | 2026-03-14
 * @author Mekong Agency
 *
 * Includes:
 * - Premium button micro-interactions
 * - Advanced card hover effects
 * - Enhanced loading states
 * - Scroll-triggered animations
 * - Form feedback animations
 * - Navigation hover effects
 * ═══════════════════════════════════════════════════════════════════════════
 */

/* ═══════════════════════════════════════════════════════════════════════════
   1. BUTTON MICRO-INTERACTIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* 1.1 Shine Sweep Effect */
.btn-shine {
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1)),
              box-shadow 0.3s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
}

.btn-shine::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s ease;
  z-index: 1;
}

.btn-shine:hover::before {
  left: 150%;
}

.btn-shine:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 106, 96, 0.4);
}

/* 1.2 Pulse Glow Effect */
.btn-pulse-glow {
  transition: all 0.3s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
}

.btn-pulse-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 0 rgba(0, 106, 96, 0.7),
              0 0 0 10px rgba(0, 106, 96, 0.3),
              0 8px 24px rgba(0, 106, 96, 0.4);
  animation: pulseGlow 1.5s infinite;
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(0, 106, 96, 0.7),
                0 0 0 10px rgba(0, 106, 96, 0.3),
                0 8px 24px rgba(0, 106, 96, 0.4);
  }
  50% {
    box-shadow: 0 0 0 0 rgba(0, 106, 96, 0.7),
                0 0 0 15px rgba(0, 106, 96, 0.2),
                0 8px 24px rgba(0, 106, 96, 0.5);
  }
}

/* 1.3 Icon Rotation on Hover */
.btn-icon-rotate {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
}

.btn-icon-rotate:hover .icon {
  transform: rotate(15deg) scale(1.1);
  transition: transform 0.3s var(--ui-ease-bounce, cubic-bezier(0.68, -0.55, 0.265, 1.55));
}

.btn-icon-rotate:hover {
  gap: 12px;
}

/* 1.4 Background Fill Animation */
.btn-fill-bg {
  position: relative;
  z-index: 1;
  background: transparent;
  color: var(--md-sys-color-primary, #006A60);
  transition: color 0.3s ease;
}

.btn-fill-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--md-sys-color-primary, #006A60);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
  z-index: -1;
  border-radius: inherit;
}

.btn-fill-bg:hover::before {
  transform: scaleY(1);
}

.btn-fill-bg:hover {
  color: white;
}

/* 1.5 Arrow Slide Effect */
.btn-arrow-slide {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
}

.btn-arrow-slide .arrow {
  transition: transform 0.3s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
  flex-shrink: 0;
}

.btn-arrow-slide:hover .arrow {
  transform: translateX(4px);
}

/* ═══════════════════════════════════════════════════════════════════════════
   2. PREMIUM CARD HOVER EFFECTS
   ═══════════════════════════════════════════════════════════════════════════ */

/* 2.1 Spotlight Card (Mouse Tracking) */
.spotlight-card {
  position: relative;
  background: var(--md-sys-color-surface, #FEFDFC);
  overflow: hidden;
}

.spotlight-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(0, 106, 96, 0.1),
    transparent 40%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.spotlight-card:hover::before {
  opacity: 1;
}

/* 2.2 Border Glow Flow */
.border-glow-flow {
  position: relative;
  background: var(--md-sys-color-surface, #FEFDFC);
  border-radius: 12px;
}

.border-glow-flow::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    var(--md-sys-color-primary, #006A60),
    var(--md-sys-color-secondary, #9C6800),
    var(--md-sys-color-primary, #006A60)
  );
  background-size: 200% 200%;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: gradientFlow 3s ease infinite;
}

.border-glow-flow:hover::before {
  opacity: 1;
}

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

/* 2.3 Lift + Scale Combined */
.lift-scale {
  transition: all 0.4s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
}

.lift-scale:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 20px 40px rgba(0, 106, 96, 0.2),
              0 0 0 1px rgba(0, 106, 96, 0.1);
}

/* 2.4 Shimmer Card */
.card-shimmer {
  position: relative;
  overflow: hidden;
}

.card-shimmer::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.card-shimmer:hover::after {
  transform: translateX(100%);
}

/* 2.5 Morphing Border */
.morph-border {
  position: relative;
  border-radius: 12px;
  transition: border-radius 0.4s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
}

.morph-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(
    135deg,
    var(--md-sys-color-primary, #006A60),
    var(--md-sys-color-secondary, #9C6800)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.5;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.morph-border:hover {
  border-radius: 20px;
}

.morph-border:hover::before {
  opacity: 1;
}

/* 2.6 Particle Float */
.particle-float {
  position: relative;
}

.particle-float::before {
  content: '✦';
  position: absolute;
  top: -5px;
  right: -5px;
  font-size: 14px;
  color: var(--md-sys-color-secondary, #9C6800);
  animation: particleFloat 2s ease-in-out infinite;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.particle-float:hover::before {
  opacity: 1;
}

@keyframes particleFloat {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
    opacity: 0.5;
  }
  50% {
    transform: translateY(-8px) rotate(180deg);
    opacity: 1;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   3. ENHANCED LOADING STATES
   ═══════════════════════════════════════════════════════════════════════════ */

/* 3.1 Dashboard Widget Skeleton */
.widget-skeleton {
  padding: 24px;
  border-radius: 12px;
  background: var(--md-sys-color-surface-variant, #F0F0F0);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.widget-skeleton .skeleton-icon,
.widget-skeleton .skeleton-value,
.widget-skeleton .skeleton-label {
  background: linear-gradient(
    90deg,
    var(--md-sys-color-surface-variant, #F0F0F0) 25%,
    var(--md-sys-color-outline-variant, #E0E0E0) 50%,
    var(--md-sys-color-surface-variant, #F0F0F0) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: 8px;
}

.widget-skeleton .skeleton-icon {
  width: 48px;
  height: 48px;
}

.widget-skeleton .skeleton-value {
  height: 32px;
  width: 80%;
}

.widget-skeleton .skeleton-label {
  height: 16px;
  width: 60%;
}

/* 3.2 Table Row Skeleton */
.table-row-skeleton {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--md-sys-color-outline-variant, #E0E0E0);
}

.table-row-skeleton .skeleton-cell {
  height: 20px;
  flex: 1;
  border-radius: 4px;
  background: linear-gradient(
    90deg,
    var(--md-sys-color-surface-variant, #F0F0F0) 25%,
    var(--md-sys-color-outline-variant, #E0E0E0) 50%,
    var(--md-sys-color-surface-variant, #F0F0F0) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

/* 3.3 Image Placeholder Skeleton */
.image-skeleton {
  width: 100%;
  height: 200px;
  background: linear-gradient(
    90deg,
    var(--md-sys-color-surface-variant, #F0F0F0) 25%,
    var(--md-sys-color-outline-variant, #E0E0E0) 50%,
    var(--md-sys-color-surface-variant, #F0F0F0) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: 8px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   4. SCROLL-TRIGGERED ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* 4.1 Blur Reveal */
.blur-reveal {
  opacity: 0;
  filter: blur(10px);
  transform: translateY(20px);
  transition: opacity 0.6s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1)),
              filter 0.6s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1)),
              transform 0.6s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
}

.blur-reveal.visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

/* 4.2 Scale Blur Reveal */
.scale-blur-reveal {
  opacity: 0;
  filter: blur(8px);
  transform: scale(0.9);
  transition: opacity 0.6s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1)),
              filter 0.6s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1)),
              transform 0.6s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
}

.scale-blur-reveal.visible {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
}

/* 4.3 Rotor Reveal */
.rotor-reveal {
  opacity: 0;
  transform: rotateX(15deg) translateY(30px);
  transition: opacity 0.6s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1)),
              transform 0.6s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
}

.rotor-reveal.visible {
  opacity: 1;
  transform: rotateX(0) translateY(0);
}

/* 4.4 Flip Reveal */
.flip-reveal {
  opacity: 0;
  transform: perspective(1000px) rotateY(90deg);
  transform-origin: left;
  transition: opacity 0.6s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1)),
              transform 0.6s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
}

.flip-reveal.visible {
  opacity: 1;
  transform: perspective(1000px) rotateY(0);
}

/* ═══════════════════════════════════════════════════════════════════════════
   5. FORM FEEDBACK ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* 5.1 Input Focus Glow */
.input-focus-glow {
  transition: all 0.3s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
  border: 1px solid var(--md-sys-color-outline, #B0B0B0);
}

.input-focus-glow:focus {
  border-color: var(--md-sys-color-primary, #006A60);
  box-shadow: 0 0 0 3px rgba(0, 106, 96, 0.2);
  transform: translateY(-1px);
}

/* 5.2 Success Checkmark Animation */
@keyframes checkmarkDraw {
  0% { stroke-dashoffset: 100; }
  100% { stroke-dashoffset: 0; }
}

.success-checkmark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(76, 175, 80, 0.1);
  animation: successPop 0.4s var(--ui-ease-bounce, cubic-bezier(0.68, -0.55, 0.265, 1.55));
}

.success-checkmark svg {
  width: 28px;
  height: 28px;
  stroke: #4CAF50;
  stroke-width: 3;
  fill: none;
  stroke-dasharray: 100;
  animation: checkmarkDraw 0.3s ease-out 0.2s forwards;
}

@keyframes successPop {
  0% { transform: scale(0); }
  80% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* 5.3 Error Shake Animation */
.error-shake-input {
  animation: errorShake 0.5s var(--ui-ease-bounce, cubic-bezier(0.4, 0, 0.6, 1));
  border-color: #F44336 !important;
}

@keyframes errorShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

/* ═══════════════════════════════════════════════════════════════════════════
   6. NAVIGATION HOVER EFFECTS
   ═══════════════════════════════════════════════════════════════════════════ */

/* 6.1 Nav Link Underline Slide */
.nav-link-underline {
  position: relative;
  display: inline-block;
  text-decoration: none;
  color: inherit;
}

.nav-link-underline::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--md-sys-color-primary, #006A60);
  transition: width 0.3s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
}

.nav-link-underline:hover::after {
  width: 100%;
}

/* 6.2 Logo Drop Animation */
.nav-logo:hover {
  animation: logoDrop 0.4s var(--ui-ease-bounce, cubic-bezier(0.68, -0.55, 0.265, 1.55));
}

@keyframes logoDrop {
  0% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
  100% { transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════════════════════════
   7. INTERACTIVE FEEDBACK
   ═══════════════════════════════════════════════════════════════════════════ */

/* 7.1 Press Effect (Active State) */
.press-effect {
  transition: transform 0.1s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
}

.press-effect:active {
  transform: scale(0.96);
}

/* 7.2 Focus Ring Animation */
.focus-ring-animated {
  outline: 2px solid transparent;
  outline-offset: 2px;
  transition: outline-color 0.2s ease, outline-width 0.2s ease;
}

.focus-ring-animated:focus-visible {
  outline: 3px solid var(--md-sys-color-primary, #006A60);
  outline-offset: 3px;
  animation: focusPulse 0.6s ease-out;
}

@keyframes focusPulse {
  0% { outline-width: 0; }
  50% { outline-width: 4px; }
  100% { outline-width: 3px; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   8. TEXT ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* 8.1 Gradient Text Flow */
.gradient-text-flow {
  background: linear-gradient(
    90deg,
    var(--md-sys-color-primary, #006A60),
    var(--md-sys-color-secondary, #9C6800),
    var(--md-sys-color-primary, #006A60)
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientTextFlow 3s linear infinite;
}

@keyframes gradientTextFlow {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   9. IMAGE ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* 9.1 Image Zoom Reveal */
.image-zoom-reveal {
  overflow: hidden;
  border-radius: 12px;
}

.image-zoom-reveal img {
  transform: scale(1);
  transition: transform 0.5s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
}

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

/* 9.2 Image Float */
.image-float {
  animation: imageFloat 3s ease-in-out infinite;
}

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

/* ═══════════════════════════════════════════════════════════════════════════
   10. BADGE ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* 10.1 Badge Pulse */
.badge-pulse {
  animation: badgePulse 2s ease-in-out infinite;
}

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

/* 10.2 Badge Bounce */
.badge-bounce {
  animation: badgeBounce 1s ease-in-out infinite;
}

@keyframes badgeBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* ═══════════════════════════════════════════════════════════════════════════
   11. REDUCED MOTION
   ═══════════════════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .animate-pulse,
  .animate-glow,
  .animate-float,
  .gradient-text-flow,
  .badge-pulse,
  .badge-bounce,
  .image-float {
    animation: none !important;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   12. UTILITY CLASSES
   ═══════════════════════════════════════════════════════════════════════════ */

/* Animation Delays */
.delay-50 { animation-delay: 50ms !important; }
.delay-100 { animation-delay: 100ms !important; }
.delay-200 { animation-delay: 200ms !important; }
.delay-300 { animation-delay: 300ms !important; }
.delay-400 { animation-delay: 400ms !important; }
.delay-500 { animation-delay: 500ms !important; }

/* Stagger Container */
.stagger-container > * {
  opacity: 0;
  animation: fadeInUp 0.5s var(--ui-ease-smooth, cubic-bezier(0.4, 0, 0.2, 1)) forwards;
}

.stagger-container > *:nth-child(1) { animation-delay: 0ms; }
.stagger-container > *:nth-child(2) { animation-delay: 50ms; }
.stagger-container > *:nth-child(3) { animation-delay: 100ms; }
.stagger-container > *:nth-child(4) { animation-delay: 150ms; }
.stagger-container > *:nth-child(5) { animation-delay: 200ms; }
.stagger-container > *:nth-child(6) { animation-delay: 250ms; }
.stagger-container > *:nth-child(7) { animation-delay: 300ms; }
.stagger-container > *:nth-child(8) { animation-delay: 350ms; }
.stagger-container > *:nth-child(9) { animation-delay: 400ms; }
.stagger-container > *:nth-child(10) { animation-delay: 450ms; }

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