/* Loading Animation Styles */

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

/* Loading Spinner Container */
.loading-spinner-container {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(78, 115, 223, 0.1);
    min-width: 200px;
    animation: slideUp 0.4s ease-out;
}

/* Main Loading Spinner */
.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color, #4e73df);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

/* Loading Text */
.loading-text {
    color: var(--dark-color, #5a5c69);
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
    animation: pulse 2s ease-in-out infinite;
}

/* Loading Dots Animation */
.loading-dots::after {
    content: '';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

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

/* Slide Up Animation */
@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Alternative Spinner Styles */
.loading-spinner.style-2 {
    border: 4px solid transparent;
    border-top: 4px solid var(--primary-color, #4e73df);
    border-right: 4px solid var(--secondary-color, #1cc88a);
    animation: spin 1.2s linear infinite;
}

.loading-spinner.style-3 {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, var(--primary-color, #4e73df), var(--secondary-color, #1cc88a));
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
}

/* Button Loading State */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.btn-loading .btn-text {
    opacity: 0;
}

/* Link Loading State */
.link-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.link-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -20px;
    width: 12px;
    height: 12px;
    margin-top: -6px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .loading-spinner-container {
        padding: 1.5rem;
        min-width: 150px;
        margin: 0 1rem;
    }
    
    .loading-spinner {
        width: 40px;
        height: 40px;
        border-width: 3px;
    }
    
    .loading-text {
        font-size: 0.9rem;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .loading-overlay {
        background: rgba(0, 0, 0, 0.95);
    }
    
    .loading-spinner-container {
        background: #2d3748;
        border-color: rgba(255, 255, 255, 0.1);
        color: white;
    }
    
    .loading-spinner {
        border-color: #4a5568;
        border-top-color: var(--primary-color, #4e73df);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .loading-overlay,
    .loading-spinner-container,
    .loading-spinner,
    .loading-text,
    .btn-loading::after,
    .link-loading::after {
        animation: none;
        transition: none;
    }
    
    .loading-spinner {
        border-top-color: var(--primary-color, #4e73df);
        transform: rotate(45deg);
    }
}