/* ================================================
   MODERN ANIMATIONS - Advanced Animation Library
   ================================================ */

/* ===== Entrance Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg) scale(0.8);
    }

    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

@keyframes heartbeat {

    0%,
    100% {
        transform: scale(1);
    }

    10%,
    30% {
        transform: scale(0.95);
    }

    20%,
    40% {
        transform: scale(1.1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 5px rgba(156, 132, 204, 0.5);
    }

    50% {
        box-shadow: 0 0 20px rgba(156, 132, 204, 0.8), 0 0 30px rgba(156, 132, 204, 0.6);
    }
}

/* ===== Animation Utility Classes ===== */
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-down {
    animation: fadeInDown 0.6s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

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

.animate-rotate-in {
    animation: rotateIn 0.6s ease-out;
}

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

.animate-heartbeat {
    animation: heartbeat 1.5s infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

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

/* ===== Hover Effects ===== */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.hover-scale {
    transition: transform 0.3s ease;
}

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

.hover-rotate {
    transition: transform 0.3s ease;
}

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

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(156, 132, 204, 0.6);
}

/* ===== Shimmer Loading Effect ===== */
.shimmer {
    background: linear-gradient(90deg,
            #f0f0f0 0%,
            #f8f8f8 50%,
            #f0f0f0 100%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

.shimmer-purple {
    background: linear-gradient(90deg,
            rgba(156, 132, 204, 0.1) 0%,
            rgba(156, 132, 204, 0.3) 50%,
            rgba(156, 132, 204, 0.1) 100%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* ===== Skeleton Loaders ===== */
.skeleton {
    background: linear-gradient(90deg,
            #f0f0f0 25%,
            #e0e0e0 50%,
            #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

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

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

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.skeleton-card {
    width: 100%;
    height: 200px;
    border-radius: 12px;
}

/* ===== Particle Background ===== */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    pointer-events: none;
}

/* ===== Scroll Progress Bar ===== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, #b399d4, #9c84cc);
    z-index: 9999;
    transition: width 0.1s ease;
}

/* ===== Loading Spinner ===== */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(156, 132, 204, 0.2);
    border-top-color: #9c84cc;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-dots {
    display: inline-flex;
    gap: 8px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background: #9c84cc;
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

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

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

@keyframes bounce {

    0%,
    80%,
    100% {
        transform: scale(0);
    }

    40% {
        transform: scale(1);
    }
}

/* ===== Smooth Transitions ===== */
.smooth-transition {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.smooth-transition-slow {
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Stagger Animation Delays ===== */
.stagger-1 {
    animation-delay: 0.1s;
}

.stagger-2 {
    animation-delay: 0.2s;
}

.stagger-3 {
    animation-delay: 0.3s;
}

.stagger-4 {
    animation-delay: 0.4s;
}

.stagger-5 {
    animation-delay: 0.5s;
}

.stagger-6 {
    animation-delay: 0.6s;
}

/* ===== Micro-interactions ===== */
.button-ripple {
    position: relative;
    overflow: hidden;
}

.button-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.button-ripple:active::after {
    width: 300px;
    height: 300px;
}

/* ===== Tooltip Animations ===== */
.tippy-box {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    font-size: 14px;
    padding: 8px 12px;
}

.tippy-box[data-theme~='purple'] {
    background: linear-gradient(135deg, #b399d4, #9c84cc);
    color: white;
}