/* ╔══════════════════════════════════════════════════════════════╗
   ║  سيستم ريحانة - الأنيميشن والتأثيرات                        ║
   ║  Keyframes, Transitions, Loading States                      ║
   ╚══════════════════════════════════════════════════════════════╝ */

/* ===== Keyframes ===== */
@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);
  }
}

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

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

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(124, 77, 255, 0.2),
                0 0 15px rgba(124, 77, 255, 0.1);
  }
  50% {
    box-shadow: 0 0 10px rgba(124, 77, 255, 0.4),
                0 0 30px rgba(124, 77, 255, 0.2);
  }
}

@keyframes borderGlow {
  0%, 100% { border-color: rgba(124, 77, 255, 0.2); }
  50% { border-color: rgba(124, 77, 255, 0.5); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Animation Classes ===== */
.animate-fadeIn { animation: fadeIn 0.4s ease; }
.animate-fadeInUp { animation: fadeInUp 0.5s ease; }
.animate-fadeInDown { animation: fadeInDown 0.5s ease; }
.animate-fadeInRight { animation: fadeInRight 0.5s ease; }
.animate-fadeInLeft { animation: fadeInLeft 0.5s ease; }
.animate-scaleIn { animation: scaleIn 0.3s ease; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-glow { animation: glow 2s ease-in-out infinite; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }

/* ===== Staggered Animation ===== */
.stagger > * {
  animation: fadeInUp 0.5s ease both;
}

.stagger > *:nth-child(1) { animation-delay: 0.05s; }
.stagger > *:nth-child(2) { animation-delay: 0.1s; }
.stagger > *:nth-child(3) { animation-delay: 0.15s; }
.stagger > *:nth-child(4) { animation-delay: 0.2s; }
.stagger > *:nth-child(5) { animation-delay: 0.25s; }
.stagger > *:nth-child(6) { animation-delay: 0.3s; }
.stagger > *:nth-child(7) { animation-delay: 0.35s; }
.stagger > *:nth-child(8) { animation-delay: 0.4s; }

/* ===== Page Transition ===== */
.page-enter {
  animation: fadeInUp 0.4s ease;
}

.page-exit {
  animation: fadeIn 0.2s ease reverse;
}

/* ===== Skeleton Loading ===== */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-glass) 25%,
    rgba(255, 255, 255, 0.08) 50%,
    var(--bg-glass) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 14px;
  margin-bottom: var(--space-sm);
  width: 80%;
}

.skeleton-title {
  height: 22px;
  margin-bottom: var(--space-md);
  width: 50%;
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.skeleton-card {
  height: 120px;
}

/* ===== Loading Spinner ===== */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-primary);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: rotate 0.8s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 26, 0.7);
  border-radius: inherit;
  z-index: 10;
}

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

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

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

.hover-scale:hover {
  transform: scale(1.02);
}

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

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

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

.ripple::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  right: 0;
  background: radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%), rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.ripple:active::after {
  opacity: 1;
}

/* ===== Transition Utilities ===== */
.transition-all {
  transition: all var(--transition-normal);
}

.transition-colors {
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.transition-transform {
  transition: transform var(--transition-normal);
}

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