/**
 * Neural Arena - Animations
 * Glows, pulses, transitions
 */

/* =============================================================================
   Keyframe Animations
   ============================================================================= */

/* Pulse animation for live indicators */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.95);
    }
}

/* Glow pulse for active elements */
@keyframes glowPulse {
    0%, 100% {
        box-shadow: var(--glow-sm);
    }
    50% {
        box-shadow: var(--glow-md);
    }
}

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

/* Fade in up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide in from right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

/* Bounce */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

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

/* Scanline effect */
@keyframes scanline {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(100%);
    }
}


/* =============================================================================
   Animation Classes
   ============================================================================= */

.animate-pulse {
    animation: pulse 1.5s ease-in-out infinite;
}

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

.animate-fade-in {
    animation: fadeIn 0.3s ease forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.3s ease forwards;
}

.animate-slide-in-right {
    animation: slideInRight 0.3s ease forwards;
}

.animate-scale-in {
    animation: scaleIn 0.2s ease forwards;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-bounce {
    animation: bounce 0.5s ease infinite;
}


/* =============================================================================
   Loading States
   ============================================================================= */

.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Spinner */
.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 16px;
    height: 16px;
}

.spinner-lg {
    width: 32px;
    height: 32px;
}


/* =============================================================================
   Hover Effects
   ============================================================================= */

/* Lift on hover */
.hover-lift {
    transition: transform var(--transition-fast);
}

.hover-lift:hover {
    transform: translateY(-2px);
}

/* Glow on hover */
.hover-glow {
    transition: box-shadow var(--transition-fast);
}

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

/* Scale on hover */
.hover-scale {
    transition: transform var(--transition-fast);
}

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


/* =============================================================================
   Canvas Effects
   ============================================================================= */

/* Scanline overlay for retro effect */
.scanlines::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.1) 2px,
        rgba(0, 0, 0, 0.1) 4px
    );
    pointer-events: none;
    z-index: 1;
}

/* Moving scanline */
.scanlines-animated::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        transparent 50%,
        rgba(0, 240, 255, 0.03) 50%
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 1;
    animation: scanline 8s linear infinite;
}

/* Grid overlay */
.grid-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
    opacity: 0.1;
}


/* =============================================================================
   Transitions
   ============================================================================= */

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

.transition-fast {
    transition: all var(--transition-fast);
}

.transition-slow {
    transition: all var(--transition-slow);
}

/* No transition (for immediate changes) */
.no-transition {
    transition: none !important;
}


/* =============================================================================
   State Transitions
   ============================================================================= */

/* Training states */
.training-idle {
    opacity: 0.7;
}

.training-running {
    border-color: var(--success);
}

.training-running .live-indicator {
    background: var(--success);
    animation: pulse 1s ease-in-out infinite;
}

.training-paused {
    border-color: var(--warning);
}

.training-paused .live-indicator {
    background: var(--warning);
    animation: none;
}

.training-complete {
    border-color: var(--primary);
}

.training-complete .live-indicator {
    background: var(--primary);
    animation: none;
}