/**
 * AIODS Shared Animation Keyframes
 * =================================
 * Centralized animation definitions used across all pages.
 */

/* Fade in from transparent */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Slide up with fade */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Slide down with fade */
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Subtle pulse for live indicators */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Scale pulse for badges */
@keyframes pulseBadge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

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

/* Spin for loading spinners */
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Counter count-up (used with JS) */
@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Scale in for modals/cards */
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Glow pulse for active connections */
@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 4px currentColor; }
    50% { box-shadow: 0 0 12px currentColor; }
}

/* Utility animation classes */
.animate-fade-in {
    animation: fadeIn 0.3s ease forwards;
}

.animate-slide-up {
    animation: slideUp 0.4s ease forwards;
}

.animate-slide-down {
    animation: slideDown 0.3s ease forwards;
}

.animate-scale-in {
    animation: scaleIn 0.3s ease forwards;
}

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

.animate-shimmer {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Staggered entrance for lists/grids */
.stagger-children > * {
    opacity: 0;
    animation: slideUp 0.4s ease forwards;
}
.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }

/* Skeleton loader placeholder */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

.skeleton-text {
    height: 14px;
    margin-bottom: 8px;
    width: 80%;
}

.skeleton-title {
    height: 24px;
    margin-bottom: 12px;
    width: 50%;
}

.skeleton-card {
    height: 120px;
    border-radius: 12px;
}