.tender-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

.tender-item {
    background: linear-gradient(135deg, #ffffff, #f9f9f9);
    border: none;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tender-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.tender-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: #00b35c;
    transition: width 0.3s ease;
}

.tender-item:hover::before {
    width: 10px;
}

.tender-item.tender-expired::before {
    background: #dc3545;
}

.tender-item h2 {
    font-size: 26px;
    margin: 0 0 15px;
    color: #2c3e50;
    font-weight: 600;
}

.tender-item p {
    margin: 8px 0;
    color: #34495e;
    font-size: 16px;
}

.tender-item p strong {
    color: #2c3e50;
}

.tender-item .tender-expired-message {
    color: #dc3545;
    font-weight: bold;
    margin: 10px 0;
}

.tender-actions {
    margin-top: 20px;
    display: flex;
    justify-content: flex-start;
}

.tender-container .tender-download-button {
    display: inline-flex;
    align-items: center;
    padding: 12px 25px;
    border-radius: 6px;
    color: #fff;
    background-color: #00b35c;
    border: 1px solid #00b35c;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: background-color 0.3s ease, transform 0.2s ease, opacity 0.3s ease;
}

.tender-container .tender-download-button i {
    margin-right: 8px;
}

.tender-container .tender-download-button:hover {
    background-color: #0056b3;
    transform: scale(1.05);
    opacity: 0.95;
}

.tender-archive-link {
    display: block;
    text-align: center;
    margin-top: 30px;
    font-size: 18px;
    color: #00b35c;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.tender-archive-link:hover {
    color: #00b35c;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .tender-container {
        padding: 20px 15px;
    }
    .tender-item {
        padding: 20px;
        margin-bottom: 20px;
    }
    .tender-item h2 {
        font-size: 22px;
    }
    .tender-item p {
        font-size: 14px;
    }
    .tender-container .tender-download-button {
        padding: 10px 20px;
        font-size: 14px;
        width: 100%;
        justify-content: center;
    }
    .tender-archive-link {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .tender-item {
        padding: 15px;
    }
    .tender-item h2 {
        font-size: 20px;
    }
    .tender-container .tender-download-button {
        padding: 8px 15px;
        font-size: 13px;
    }
}