/* ═══════════════════════════════════════════════════
   MOH — Animations
   الحركات والتأثيرات
   ═══════════════════════════════════════════════════ */

/* ─── Fade In ─── */
@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 fadeInRight {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

@keyframes scaleUp {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ─── Slide ─── */
@keyframes slideInRight {
  from { transform: translateX(-100%); }
  to   { transform: translateX(0); }
}

@keyframes slideInLeft {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

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

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

/* ─── Skeleton Shimmer ─── */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ─── Pulse ─── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}

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

/* ─── Bounce ─── */
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

@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; }
}

/* ─── Shake (for errors) ─── */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

/* ─── Heart Like ─── */
@keyframes heartBeat {
  0%   { transform: scale(1); }
  14%  { transform: scale(1.3); }
  28%  { transform: scale(1); }
  42%  { transform: scale(1.3); }
  70%  { transform: scale(1); }
}

/* ─── Ripple Effect ─── */
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.5;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

/* ─── Typing Dots ─── */
@keyframes typingDot {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-6px);
    opacity: 1;
  }
}

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

/* ─── Rotate ─── */
@keyframes rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ─── Toast slide ─── */
@keyframes toastSlideIn {
  from {
    transform: translateX(100%) translateY(0);
    opacity: 0;
  }
  to {
    transform: translateX(0) translateY(0);
    opacity: 1;
  }
}

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

/* ─── Progress Bar ─── */
@keyframes progressIndeterminate {
  0%   { transform: translateX(100%) scaleX(0); }
  40%  { transform: translateX(0%) scaleX(0.4); }
  100% { transform: translateX(-100%) scaleX(0.5); }
}

/* ─── Notification bell ─── */
@keyframes bellRing {
  0%   { transform: rotate(0); }
  10%  { transform: rotate(14deg); }
  20%  { transform: rotate(-8deg); }
  30%  { transform: rotate(6deg); }
  40%  { transform: rotate(-4deg); }
  50%  { transform: rotate(2deg); }
  100% { transform: rotate(0); }
}

/* ═══════════════════════════════════════════════════
   Animation Classes
   ═══════════════════════════════════════════════════ */

.animate-fade-in       { animation: fadeIn 0.3s ease; }
.animate-fade-in-up    { animation: fadeInUp 0.4s ease; }
.animate-fade-in-down  { animation: fadeInDown 0.4s ease; }
.animate-fade-in-right { animation: fadeInRight 0.4s ease; }
.animate-fade-in-left  { animation: fadeInLeft 0.4s ease; }
.animate-scale-in      { animation: scaleIn 0.3s ease; }
.animate-bounce-in     { animation: bounceIn 0.5s ease; }
.animate-shake         { animation: shake 0.4s ease; }
.animate-pulse         { animation: pulse 2s ease-in-out infinite; }
.animate-float         { animation: float 3s ease-in-out infinite; }
.animate-bounce        { animation: bounce 1s ease-in-out infinite; }

/* ─── Skeleton Loading ─── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-200) 25%,
    var(--gray-100) 50%,
    var(--gray-200) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

[data-theme="dark"] .skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-700) 25%,
    var(--gray-600) 50%,
    var(--gray-700) 75%
  );
  background-size: 200% 100%;
}

.skeleton-text {
  height: 14px;
  margin-bottom: var(--space-2);
  border-radius: var(--radius-sm);
}

.skeleton-text--sm { height: 10px; width: 60%; }
.skeleton-text--lg { height: 20px; }

.skeleton-circle {
  border-radius: var(--radius-full);
}

.skeleton-card {
  height: 200px;
  border-radius: var(--radius-xl);
}

/* ─── Staggered Animation ─── */
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s;  }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s;  }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.3s;  }

/* ─── Typing Indicator ─── */
.typing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: var(--space-2) var(--space-3);
}

.typing-indicator__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-tertiary);
  animation: typingDot 1.4s ease-in-out infinite;
}

.typing-indicator__dot:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator__dot:nth-child(3) { animation-delay: 0.4s; }

/* ─── Like Heart Animation ─── */
.like-animation {
  animation: heartBeat 0.8s ease-in-out;
}

.like-animation--active {
  color: var(--danger-500);
}

/* ─── Ripple Button Effect ─── */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  animation: ripple 0.6s ease-out;
  pointer-events: none;
}

/* ─── Page Transition ─── */
.page-enter {
  animation: fadeInUp 0.3s ease;
}

/* ─── Bell Animation ─── */
.bell-ring {
  animation: bellRing 1s ease;
}

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