.center-img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 33.33%;
    height: auto; /* чтобы сохранить пропорции */
}

.header {
    background-color: #005b9f;
    color: white;
    padding: 20px 0;
    margin-bottom: 30px;
}

.section {
    margin-bottom: 30px;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 5px;
}
.status-badge {
    font-size: 0.9rem;
}
.progress-container {
    margin-top: 20px;
}
.xsltable th {
    background-color: #e9ecef;
}

.btn-custom {
    transition: all 0.3s ease;
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 500;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-custom::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.1);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.btn-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.btn-custom:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.error-container {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.error-icon {
    font-size: 5rem;
    color: #dc3545;
    margin-bottom: 1.5rem;
}
.error-code {
    font-size: 3.5rem;
    font-weight: 700;
    color: #343a40;
}
.error-message {
    font-size: 1.5rem;
    margin: 1rem 0 2rem;
}