:root {
    --primary-color: #3390ec;
    --primary-dark: #2480e0;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-color: #dee2e6;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --test-banner-color: #ff6b35;
    --test-banner-bg: #fff3cd;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: var(--dark-color);
    line-height: 1.6;
}

/* Шапка для тестовых целей */
.test-banner {
    background-color: var(--test-banner-bg);
    border-bottom: 2px solid var(--test-banner-color);
    padding: 8px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.test-banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: bold;
    font-size: 0.9rem;
    color: var(--test-banner-color);
    text-align: center;
}

.test-icon {
    font-size: 1rem;
}

.test-text {
    letter-spacing: 1px;
    text-transform: uppercase;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    background: white;
    min-height: 100vh;
    box-shadow: var(--shadow);
}

.step {
    display: none;
    padding: 20px;
    height: 100vh;
    overflow-y: auto;
}

.step.active {
    display: flex;
    flex-direction: column;
}

.header {
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.header h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.progress-bar {
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-step {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: bold;
}

.progress-step.active {
    background-color: var(--primary-color);
}

.progress-step.completed {
    background-color: var(--success-color);
}

.progress-line {
    flex: 1;
    height: 2px;
    background-color: var(--border-color);
    margin: 0 10px;
}

.progress-line.active {
    background-color: var(--primary-color);
}

.progress-line.completed {
    background-color: var(--success-color);
}

.content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.content h3 {
    margin-bottom: 10px;
    color: var(--dark-color);
}

.content p {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.documents-list {
    margin: 20px 0;
}

.document-card {
    display: flex;
    align-items: center;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.document-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.document-icon {
    font-size: 1.5rem;
    margin-right: 15px;
}

.document-info {
    flex: 1;
}

.document-info h4 {
    margin-bottom: 5px;
    color: var(--dark-color);
}

.document-info p {
    font-size: 0.9rem;
    margin: 0;
    color: var(--secondary-color);
}

.document-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.document-link:hover {
    background-color: rgba(51, 144, 236, 0.1);
}

.agreement {
    margin: 20px 0;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-size: 0.95rem;
    line-height: 1.4;
}

.checkbox-container input {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    margin-right: 10px;
    position: relative;
    flex-shrink: 0;
}

.checkbox-container input:checked + .checkmark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-container input:checked + .checkmark:after {
    content: "";
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(51, 144, 236, 0.2);
}

.hint {
    font-size: 0.8rem;
    color: var(--secondary-color);
    margin-top: 5px;
}

.buttons-row {
    display: flex;
    gap: 10px;
    margin-top: auto;
    padding-top: 20px;
}

.btn-primary, .btn-secondary {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-primary:disabled {
    background-color: var(--secondary-color);
    cursor: not-allowed;
}

.btn-secondary {
    background-color: white;
    color: var(--dark-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--light-color);
}

.success-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--success-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
}

.payment-info {
    background-color: var(--light-color);
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
}

.payment-link-container {
    display: flex;
    align-items: center;
    margin: 15px 0;
}

.payment-link {
    flex: 1;
    padding: 12px 15px;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    word-break: break-all;
    font-size: 0.9rem;
}

.btn-copy {
    background: none;
    border: none;
    padding: 10px;
    margin-left: 10px;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.btn-copy:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.copy-icon {
    font-size: 1.2rem;
}

@media (max-width: 480px) {
    .container {
        box-shadow: none;
    }
    
    .step {
        padding: 15px;
    }
    
    .document-card {
        flex-direction: column;
        text-align: center;
    }
    
    .document-icon {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    .document-info {
        margin-bottom: 10px;
    }
    
    .test-banner-content {
        font-size: 0.8rem;
        padding: 0 10px;
    }
    
    .test-text {
        letter-spacing: 0.5px;
    }
}