/**
 * Animations & Keyframes
 * Reusable animations for the application
 */

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

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

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

/* ============================================
   ANIMATION UTILITY CLASSES
   ============================================ */

.animate-fade-in {
    animation: fadeIn var(--transition-entrance);
}

.animate-fade-in-up {
    animation: fadeInUp var(--transition-entrance);
}

.animate-fade-in-down {
    animation: fadeInDown var(--transition-entrance);
}

.animate-slide-in-right {
    animation: slideInRight var(--transition-entrance);
}

.animate-slide-in-left {
    animation: slideInLeft var(--transition-entrance);
}

.animate-scale-in {
    animation: scaleIn var(--transition-base);
}

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

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

.animate-bounce {
    animation: bounce 1s ease-in-out infinite;
}

/* ============================================
   TRANSITION UTILITIES
   ============================================ */

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

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

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

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

.transition-opacity {
    transition: opacity var(--transition-base);
}

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

/* ============================================
   HOVER EFFECTS
   ============================================ */





.hover-opacity {
    transition: opacity var(--transition-base);
}

.hover-opacity:hover {
    opacity: 0.8;
}

/* ============================================
   LOADING STATES
   ============================================ */

.loading {
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
}

/* ============================================
   BLUR EFFECTS
   ============================================ */

.blurred {
    filter: blur(10px);
    transition: filter var(--transition-base);
}

.blurred:not(.blurred) {
    filter: none;
}

/* ============================================
   ANIMATION DELAYS (for staggered animations)
   ============================================ */

.delay-100 {
    animation-delay: 100ms;
}

.delay-200 {
    animation-delay: 200ms;
}

.delay-300 {
    animation-delay: 300ms;
}

.delay-400 {
    animation-delay: 400ms;
}

.delay-500 {
    animation-delay: 500ms;
}