/* =============================================
   GLOBAL LOADING STYLES
   ============================================= */

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Loading Container */
.loading-container {
    text-align: center;
    padding: 40px;
}

/* Loading Spinner */
.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #000;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

/* Loading Text */
.loading-text {
    font-size: 1.1rem;
    color: #333;
    font-weight: 500;
    margin-bottom: 10px;
}

.loading-subtext {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

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

/* Loading Dots Animation */
.loading-dots {
    display: inline-block;
    margin-left: 5px;
}

.loading-dots::after {
    content: '';
    animation: dots 1.5s infinite;
}

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

/* Alternative Loading Styles */
.loading-pulse {
    width: 50px;
    height: 50px;
    background: #000;
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
    margin: 0 auto 20px;
}

@keyframes pulse {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
    100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
}

/* Loading Bar */
.loading-bar {
    width: 200px;
    height: 4px;
    background: #f3f3f3;
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto 20px;
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, #000, #333);
    border-radius: 2px;
    animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* Page Content States */
.content-loading {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.content-loaded {
    opacity: 1;
}

/* Responsive Loading */
@media (max-width: 768px) {
    .loading-container {
        padding: 30px 20px;
    }
    
    .loading-spinner {
        width: 50px;
        height: 50px;
        border-width: 3px;
    }
    
    .loading-text {
        font-size: 1rem;
    }
    
    .loading-subtext {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .loading-container {
        padding: 25px 15px;
    }
    
    .loading-spinner {
        width: 45px;
        height: 45px;
        border-width: 3px;
    }
    
    .loading-text {
        font-size: 0.95rem;
    }
    
    .loading-subtext {
        font-size: 0.8rem;
    }
}

/* Print Styles */
@media print {
    .loading-overlay {
        display: none;
    }
}