/**
 * Animation Styles
 * Project Management System
 */

/* Page Fade In Effect */
@keyframes pageFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-content {
    animation: pageFadeIn 0.5s ease-out;
}

/* Stagger animation for cards */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stagger-animate > * {
    animation: fadeInUp 0.5s ease-out forwards;
    opacity: 0;
}

.stagger-animate > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-animate > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-animate > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-animate > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-animate > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-animate > *:nth-child(6) { animation-delay: 0.6s; }

/* Sidebar Slide Animation */
@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutLeft {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(-100%);
        opacity: 0;
    }
}

.sidebar {
    animation: slideInLeft 0.3s ease-out;
}

/* Card Hover Lift Effect */
.card-hover {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), 
                box-shadow 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
}

/* Button Hover Gradient Animation */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.btn-gradient {
    background: linear-gradient(270deg, #4f46e5, #7c3aed, #4f46e5);
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.4);
}

.btn-gradient:active {
    transform: translateY(0);
}

/* Smooth Modal Open/Close */
.modal-overlay {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    transform: scale(0.8) translateY(-50px);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                opacity 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Progress Bar Animated Fill */
@keyframes progressFill {
    from {
        width: 0%;
    }
}

.progress-bar {
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.progress-animate {
    animation: progressFill 1s ease-out forwards;
}

/* Notification Toast Slide-in */
@keyframes slideInRight {
    from {
        transform: translateX(120%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(120%);
        opacity: 0;
    }
}

.toast {
    animation: slideInRight 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.toast.hide {
    animation: slideOutRight 0.3s ease forwards;
}

.toast-icon {
    animation: iconPop 0.3s ease 0.2s both;
}

@keyframes iconPop {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

/* Smooth Table Row Hover */
.data-table tbody tr {
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.data-table tbody tr:hover {
    background-color: #f3f4f6;
    transform: scale(1.01);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    z-index: 1;
    position: relative;
}

/* Row entry animation */
@keyframes rowSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.data-table tbody tr {
    animation: rowSlideIn 0.3s ease forwards;
}

.data-table tbody tr:nth-child(1) { animation-delay: 0.05s; }
.data-table tbody tr:nth-child(2) { animation-delay: 0.1s; }
.data-table tbody tr:nth-child(3) { animation-delay: 0.15s; }
.data-table tbody tr:nth-child(4) { animation-delay: 0.2s; }
.data-table tbody tr:nth-child(5) { animation-delay: 0.25s; }

/* Loader Spinner on AJAX request */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.spinner-ring {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 80px;
}

.spinner-ring div {
    box-sizing: border-box;
    display: block;
    position: absolute;
    width: 64px;
    height: 64px;
    margin: 8px;
    border: 6px solid var(--primary-color);
    border-radius: 50%;
    animation: spinnerRing 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    border-color: var(--primary-color) transparent transparent transparent;
}

.spinner-ring div:nth-child(1) { animation-delay: -0.45s; }
.spinner-ring div:nth-child(2) { animation-delay: -0.3s; }
.spinner-ring div:nth-child(3) { animation-delay: -0.15s; }

@keyframes spinnerRing {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Loading overlay fade */
.loading-overlay {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Pulse animation for stat numbers */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-number {
    animation: countUp 0.6s ease-out forwards;
}

/* Badge pulse animation */
@keyframes badgePulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.badge-active {
    animation: badgePulse 2s ease-in-out infinite;
}

/* Sidebar menu item hover effect */
.sidebar-menu a {
    position: relative;
    overflow: hidden;
}

.sidebar-menu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--primary-light);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.sidebar-menu a:hover::before,
.sidebar-menu a.active::before {
    transform: scaleY(1);
}

/* Login form input focus animation */
@keyframes inputFocus {
    0% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(79, 70, 229, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0);
    }
}

.form-control:focus {
    animation: inputFocus 0.6s ease;
}

/* Button ripple effect */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

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

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.btn:focus::after {
    animation: ripple 1s ease-out;
}

/* Chart animations */
@keyframes chartGrow {
    from {
        transform: scaleY(0);
    }
    to {
        transform: scaleY(1);
    }
}

.chart-bar {
    transform-origin: bottom;
    animation: chartGrow 0.8s ease-out forwards;
}

/* Search input typing animation */
@keyframes typing {
    0%, 100% {
        border-right-color: transparent;
    }
    50% {
        border-right-color: var(--primary-color);
    }
}

.search-input:focus {
    animation: typing 0.8s ease infinite;
}

/* Floating animation for empty state */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.empty-state-icon {
    animation: float 3s ease-in-out infinite;
}

/* Success checkmark animation */
@keyframes checkmark {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.success-icon {
    animation: checkmark 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

/* Delete confirmation shake */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

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

/* Dropdown menu animation */
@keyframes dropdownSlide {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-menu {
    animation: dropdownSlide 0.2s ease-out forwards;
}

/* Avatar hover effect */
.user-avatar {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.user-avatar:hover {
    transform: scale(1.1);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.2);
}

/* Card stats counter animation */
@keyframes count {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.counter {
    animation: count 0.8s ease-out forwards;
}

/* Notification bell ring */
@keyframes bellRing {
    0%, 100% {
        transform: rotate(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: rotate(10deg);
    }
    20%, 40%, 60%, 80% {
        transform: rotate(-10deg);
    }
}

.notification-icon:hover {
    animation: bellRing 0.5s ease-in-out;
}

/* Smooth page transition */
.page-transition {
    animation: pageTransition 0.3s ease;
}

@keyframes pageTransition {
    0% {
        opacity: 0;
        transform: translateX(-20px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Skeleton loading animation */
@keyframes skeletonLoading {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: skeletonLoading 1.5s infinite;
    border-radius: 4px;
}

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

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

/* Image zoom on hover */
.img-zoom {
    overflow: hidden;
}

.img-zoom img {
    transition: transform 0.5s ease;
}

.img-zoom:hover img {
    transform: scale(1.1);
}

/* Gradient border animation */
@keyframes gradientBorder {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.gradient-border {
    position: relative;
    background: linear-gradient(60deg, #f79533, #f37055, #ef4e7b, #a166ab, #5073b8, #1098ad, #07b39b, #6fba82);
    background-size: 300% 300%;
    animation: gradientBorder 3s ease infinite;
}

/* Tooltip animation */
@keyframes tooltipShow {
    from {
        opacity: 0;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tooltip {
    animation: tooltipShow 0.2s ease forwards;
}

/* Card flip animation */
@keyframes flipIn {
    from {
        transform: perspective(400px) rotateY(90deg);
        opacity: 0;
    }
    to {
        transform: perspective(400px) rotateY(0);
        opacity: 1;
    }
}

.flip-in {
    animation: flipIn 0.6s ease forwards;
}

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

.bounce:hover {
    animation: bounce 0.5s ease;
}

/* Fade in scale animation */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in-scale {
    animation: fadeInScale 0.3s ease forwards;
}