body {
    font-family: "Ubuntu", sans-serif;
    font-weight: 400;
    background-color: #f5f5f5;
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
}

h2 {
    font-weight: 700;
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
}

.screen {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 600px;
    margin-bottom: 20px;
    box-sizing: border-box;
}

label {
    display: block;
    font-weight: 400;
    margin-bottom: 8px;
    color: #34495e;
}

input, button {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    border: 1px solid #dcdcdc;
    border-radius: 4px;
    margin-bottom: 15px;
    font-family: "Ubuntu", sans-serif;
    font-weight: 400;
    box-sizing: border-box;
}

input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.3);
}

button {
    background-color: #F46D00;
    color: white;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 10px;
}

button.secondary {
    background-color: #3498db;
}

button:hover {
    background-color: #ff8622c4;
}

button.secondary:hover {
    background-color: #2980b9;
}

button:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.5);
}

.button-group {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.button-group button {
    flex: 1;
}

.hidden {
    display: none;
}

.error-message {
    color: #c0392b;
    font-weight: 500;
    margin: 10px 0;
    text-align: center;
}

.success-message {
    color: #27ae60;
    font-weight: 500;
    margin: 10px 0;
    text-align: center;
}

.file-info {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 4px;
    padding: 10px;
    margin: 10px 0;
    font-size: 0.9rem;
}

.progress-bar {
    height: 5px;
    background-color: #e0e0e0;
    border-radius: 3px;
    margin: 10px 0;
    overflow: hidden;
}

.progress {
    height: 100%;
    background-color: #4CAF50;
    width: 0%;
    transition: width 0.3s;
}

.upload-status {
    text-align: center;
    margin: 10px 0;
    font-size: 0.9rem;
}

.step-indicator {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    gap: 10px;
}

.step {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.step.active {
    background-color: #F46D00;
    color: white;
}

.step.completed {
    background-color: #27ae60;
    color: white;
}

@media (max-width: 600px) {
    .screen {
        padding: 15px;
    }

    h2 {
        font-size: 1.5rem;
    }
}

/* Добавим стили для маркированного списка */
#welcomeScreen ol {
    padding-left: 20px;
    margin: 15px 0;
}

#welcomeScreen li {
    margin-bottom: 10px;
}

#welcomeScreen .tip-box {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
}

.fig {
    text-align: center; /* Выравнивание по центру */ 
}