/* Modern Loading & Animation Styles */

/* Loading Spinner */
.loader-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    position: relative;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(0, 51, 102, 0.1);
    border-top: 4px solid #003366;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Page Transition */
.page-transition {
    animation: fadeIn 0.4s ease-in;
}

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

/* Card Hover Effect */
.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

/* Form Transition */
.form-transition {
    animation: slideInUp 0.5s ease-out;
}

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

/* Toast Notification */
.toast-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    max-width: 400px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    padding: 20px;
    animation: slideInRight 0.4s ease-out;
    z-index: 9999;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast-success {
    border-left: 4px solid #28a745;
}

.toast-error {
    border-left: 4px solid #dc3545;
}

.toast-info {
    border-left: 4px solid #17a2b8;
}

.toast-close {
    cursor: pointer;
    float: right;
    color: #999;
    font-size: 20px;
    line-height: 20px;
}

.toast-close:hover {
    color: #333;
}

/* Loading Dots */
.loading-dots {
    display: inline-block;
}

.loading-dots span {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #003366;
    margin: 0 4px;
    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% { opacity: 0.3; transform: scale(1); }
    40% { opacity: 1; transform: scale(1.2); }
}

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

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

.skeleton-text {
    height: 12px;
    margin: 8px 0;
    border-radius: 4px;
}

.skeleton-card {
    height: 200px;
    border-radius: 8px;
    margin-bottom: 16px;
}

/* Button Loading State */
.btn-loading {
    pointer-events: none;
    opacity: 0.6;
}

.btn-loading::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-left: 8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Success Checkmark Animation */
@keyframes scaleIn {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.checkmark {
    display: inline-block;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #28a745;
    color: white;
    text-align: center;
    line-height: 30px;
    animation: scaleIn 0.5s ease-out;
}

/* Fade Out Animation */
.fade-out {
    animation: fadeOut 0.4s ease-out forwards;
}

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

/* Slide Transition */
.slide-in-left {
    animation: slideInLeft 0.4s ease-out;
}

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

/* Stagger Animation */
.stagger-item {
    animation: fadeIn 0.4s ease-out;
}

.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(n+6) { animation-delay: 0.3s; }

/* Pulse Animation */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Badge Animation */
.badge-pop {
    animation: pop 0.3s ease-out;
}

@keyframes pop {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}

/* Progress Bar Animation */
.progress-bar-animated-custom {
    animation: progress-bar-stripes 0.6s linear infinite;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
    background-size: 40px 40px;
}

/* Modal Animations */
.modal.fade .modal-dialog {
    transition: transform 0.3s ease-out;
}

.modal.show .modal-dialog {
    transform: none;
}

/* Dark Mode Animations */
body.dark-mode .spinner {
    border-color: rgba(255, 255, 255, 0.1);
    border-top-color: #ffffff;
}

body.dark-mode .toast-notification {
    background-color: #1c2128;
    color: #c9d1d9;
}