/* Advanced Animations and Micro-interactions */

/* Keyframe Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

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

@keyframes slideInRight {
    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 bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -8px, 0);
    }
    70% {
        transform: translate3d(0, -4px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

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

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-2px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(2px);
    }
}

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

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--primary-400);
    }
    50% {
        box-shadow: 0 0 20px var(--primary-400), 0 0 30px var(--primary-400);
    }
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Animation Classes */
.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.5s ease-out;
}

.animate-slide-down {
    animation: slideDown 0.5s ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

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

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

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

.animate-shake {
    animation: shake 0.5s ease-in-out;
}

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

.animate-typing {
    animation: typing 1.4s infinite;
}

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

.animate-gradient {
    background: linear-gradient(-45deg, var(--primary-400), var(--primary-500), var(--primary-600), var(--primary-500));
    background-size: 400% 400%;
    animation: gradient 3s ease infinite;
}

/* Delayed Animations */
.animate-delay-100 { animation-delay: 0.1s; }
.animate-delay-200 { animation-delay: 0.2s; }
.animate-delay-300 { animation-delay: 0.3s; }
.animate-delay-500 { animation-delay: 0.5s; }
.animate-delay-700 { animation-delay: 0.7s; }
.animate-delay-1000 { animation-delay: 1s; }

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

.hover-lift:hover {
    box-shadow: var(--shadow-xl);
}

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

.hover-scale:hover {
    transform: scale(1.05);
}

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

.hover-rotate:hover {
    transform: rotate(5deg);
}

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

.hover-glow:hover {
    box-shadow: 0 0 20px var(--primary-400);
}

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

.hover-slide:hover {
    transform: translateX(4px);
}

/* Loading Animations */
.loading-dots {
    display: inline-flex;
    gap: 4px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-500);
    animation: pulse 1.4s infinite ease-in-out;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0s; }

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--neutral-200);
    border-top: 2px solid var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Micro-interactions */
.interactive-element {
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.interactive-element::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.interactive-element:active::before {
    width: 300px;
    height: 300px;
}

/* Button Press Effect */
.press-effect {
    transition: transform 0.1s ease;
}

.press-effect:active {
    transform: scale(0.95);
}

/* Floating Animation */
.floating {
    animation: floating 3s ease-in-out infinite;
}

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

/* Typewriter Effect */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary-500);
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes blink-caret {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: var(--primary-500);
    }
}

/* Stagger Animation */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.6s ease-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }

/* Parallax Effect */
.parallax {
    transform: translateZ(0);
    transition: transform 0.1s ease-out;
}

/* Focus Animations */
.focus-ring {
    transition: box-shadow var(--transition-fast);
}

.focus-ring:focus {
    box-shadow: 0 0 0 3px var(--primary-200);
    animation: glow 0.3s ease-out;
}

/* Success/Error Animations */
.success-bounce {
    animation: bounce 0.6s ease-out;
}

.error-shake {
    animation: shake 0.5s ease-in-out;
}

/* Morphing Shapes */
.morph-circle {
    border-radius: 50%;
    transition: border-radius var(--transition-slow);
}

.morph-circle:hover {
    border-radius: 20%;
}

/* Text Animations */
.text-shimmer {
    background: linear-gradient(90deg, var(--neutral-400) 25%, var(--neutral-600) 50%, var(--neutral-400) 75%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 2s infinite;
}

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