/* Основные стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

.hidden {
    display: none !important;
}

/* Шапка */
header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: white;
    text-decoration: none;
    margin-top: 20px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    transition: all 0.3s;
}

.back-link:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Карточки шагов */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.step-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.step-card:hover {
    transform: translateY(-5px);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    margin: 10px 5px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #4CAF50;
    color: white;
}

.btn-success {
    background: #2196F3;
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid #667eea;
    color: #667eea;
}

.btn-outline:hover {
    background: rgba(102, 126, 234, 0.1);
}

/* Опции экспорта */
.export-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.option-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.option-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.option-header i {
    font-size: 2rem;
    color: #667eea;
}

.badge {
    background: #e3f2fd;
    color: #1976d2;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Загрузка файла */
.file-upload {
    margin: 20px 0;
}

.file-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
    border: 2px dashed #ddd;
    border-radius: 10px;
    cursor: pointer;
    transition: border-color 0.3s;
    margin-bottom: 15px;
}

.file-label:hover {
    border-color: #667eea;
}

/* Результаты */
.results-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.stat {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.stat i {
    font-size: 1.5rem;
    color: #667eea;
}

.contacts-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #eee;
    border-radius: 10px;
    padding: 15px;
    margin: 20px 0;
}

.contact-item {
    padding: 10px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-phone {
    color: #666;
    font-size: 0.9rem;
}

/* Сообщения об ошибках */
.error-message {
    background: #ffebee;
    color: #c62828;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    gap: 15px;
}

.warning {
    background: #fff3e0;
    color: #f57c00;
    padding: 15px;
    border-radius: 10px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Инструкции */
.instructions {
    background: white;
    padding: 30px;
    border-radius: 15px;
    margin-top: 40px;
}

.platform-instructions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.platform {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
}

.platform h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.platform ol {
    padding-left: 20px;
}

.platform li {
    margin-bottom: 10px;
}

/* Адаптивность */
@media (max-width: 768px) {
    .steps,
    .export-options,
    .platform-instructions {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 15px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .btn {
        width: 100%;
        margin: 10px 0;
    }
}

/* Анимации */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Загрузка */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    margin-top: 20px;
}

/* QR код */
.qr-container {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 15px;
    margin: 20px 0;
}

#qrcode {
    display: inline-block;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Информационная карточка */
.info-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin: 20px 0;
}

.info-card i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 20px;
}

/* Шаги импорта */
.import-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.step {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.step-icon {
    width: 40px;
    height: 40px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin: 0 auto 15px;
}

/* Поддержка браузеров */
.browser-support {
    display: flex;
    gap: 15px;
    margin: 20px 0;
    justify-content: center;
}

.browser {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.browser i {
    font-size: 1.5rem;
}

/* Футер */
footer {
    text-align: center;
    margin-top: 40px;
    color: white;
    opacity: 0.8;
}

.small {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Действия */
.actions {
    display: flex;
    gap: 15px;
    margin: 30px 0;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .actions {
        flex-direction: column;
    }
    
    .actions .btn {
        width: 100%;
    }
}