/* ===================================
   PackSmart AI - Animations
   =================================== */

/* Keyframe Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.9;
        transform: scale(1.05);
    }
}

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

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

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

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes progressBar {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

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

/* Utility Animation Classes */
.animate-fadeIn {
    animation: fadeIn 0.3s ease;
}

.animate-slideIn {
    animation: slideIn 0.3s ease;
}

.animate-slideUp {
    animation: slideUp 0.3s ease;
}

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

.animate-spin {
    animation: spin 0.8s linear infinite;
}

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

.animate-bounceIn {
    animation: bounceIn 0.6s ease;
}

/* Transition Classes */
.transition-all {
    transition: all 0.3s ease;
}

.transition-transform {
    transition: transform 0.2s ease;
}

.transition-opacity {
    transition: opacity 0.3s ease;
}

.transition-colors {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

/* Hover Effects */
.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

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

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.3);
}

/* Loading States */
.skeleton-loading {
    position: relative;
    overflow: hidden;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton 1.5s infinite;
}

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

/* Success Animation */
.success-checkmark {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    position: relative;
}

.success-checkmark::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid #10B981;
    border-radius: 50%;
    animation: successRing 0.4s ease;
}

.success-checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: #10B981;
    animation: successCheck 0.5s ease 0.3s both;
}

@keyframes successRing {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes successCheck {
    0% {
        transform: translate(-50%, -50%) scale(0);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
    }
}

/* Motion Detection Visual Feedback */
.motion-detected {
    position: relative;
}

.motion-detected::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 3px solid #10B981;
    border-radius: inherit;
    opacity: 0;
    animation: motionFlash 0.5s ease;
}

@keyframes motionFlash {
    0% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.02);
    }
    100% {
        opacity: 0;
        transform: scale(1.05);
    }
}

/* Photo Capture Effect */
.capture-flash {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    opacity: 0;
    pointer-events: none;
    z-index: 9999;
}

.capture-flash.active {
    animation: cameraFlash 0.3s ease;
}

@keyframes cameraFlash {
    0% {
        opacity: 0;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        opacity: 0;
    }
}

/* Item Detection Animation */
.item-detected {
    animation: itemDetected 0.5s ease;
}

@keyframes itemDetected {
    0% {
        transform: scale(1) translateX(0);
        background-color: transparent;
    }
    50% {
        transform: scale(1.05) translateX(5px);
        background-color: rgba(79, 70, 229, 0.1);
    }
    100% {
        transform: scale(1) translateX(0);
        background-color: transparent;
    }
}

/* QR Code Generation Animation */
.qr-generating {
    position: relative;
}

.qr-generating::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid rgba(79, 70, 229, 0.2);
    border-top-color: #4F46E5;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Confidence Level Animation */
.confidence-indicator {
    position: relative;
    display: inline-block;
}

.confidence-high {
    animation: confidencePulse 2s ease infinite;
}

@keyframes confidencePulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
}

/* Selective Retention Animation */
.photo-retained {
    animation: photoRetained 0.6s ease;
}

@keyframes photoRetained {
    0% {
        transform: scale(1) rotate(0deg);
        border-color: var(--gray-200);
    }
    50% {
        transform: scale(1.1) rotate(5deg);
        border-color: var(--success-color);
    }
    100% {
        transform: scale(1) rotate(0deg);
        border-color: var(--primary-color);
    }
}

.photo-discarded {
    animation: photoDiscarded 0.6s ease;
}

@keyframes photoDiscarded {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(0.9);
        opacity: 0.5;
    }
}

/* Navigation Transition */
.nav-transition {
    position: relative;
}

.nav-transition::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-transition.active::after {
    width: 100%;
}

/* Smooth Scroll Behavior */
.smooth-scroll {
    scroll-behavior: smooth;
}

/* Page Transitions */
.page-enter {
    animation: pageEnter 0.4s ease;
}

@keyframes pageEnter {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.page-exit {
    animation: pageExit 0.3s ease;
}

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