/* Loading overlay */
#loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(19, 23, 34, 0.9);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Loading content container */
.loading-content {
    background-color: rgba(30, 34, 45, 0.95);
    padding: 24px 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Loading spinner */
.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid #2196F3;
    border-top: 3px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 12px;
}

/* Loading spinner variations */
.loading-spinner.small {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

.loading-spinner.large {
    width: 32px;
    height: 32px;
    border-width: 4px;
}

/* Loading text */
.loading-text {
    color: #D9D9D9;
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    font-weight: 500;
    position: relative;
}

/* Loading states */
.loading-error .loading-spinner {
    border-color: #EF5350;
    border-top-color: transparent;
}

.loading-error .loading-text {
    color: #EF5350;
}

.loading-success .loading-spinner {
    border-color: #26A69A;
    border-top-color: transparent;
}

/* Loading animations */
.loading-fade-out {
    animation: fadeOut 0.3s ease forwards;
}

.loading-text:after {
    content: '...';
    position: absolute;
    animation: dots 1.5s steps(4, end) infinite;
}

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

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

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