/* ===== ОСНОВНЫЕ СТИЛИ M-VELO СТИЛЬ ===== */
.m-tubing-page {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #ffffff;
}

/* Сброс стандартных Bitrix стилей */
.m-tubing-page #workarea,
.m-tubing-page .workarea,
.m-tubing-page .workarea-content-paddings,
.m-tubing-page .main-blocks-wrapper {
    padding: 0 !important;
    margin: 0 !important;
    max-width: 100% !important;
    width: 100% !important;
}

.m-tubing-page .container {
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    max-width: 100% !important;
}

/* Основной контейнер как на m-velo */
.m-tubing-container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

/* Шапка */
.m-tubing-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid #ffea00;
    flex-wrap: wrap;
    gap: 20px;
}

.m-tubing-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.m-tubing-logo {
    width: 45px;
    height: 45px;
    border-radius: 8px;
    object-fit: contain;
}

.m-tubing-brand-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: #2c3e50;
    letter-spacing: 0.5px;
    margin: 0;
    text-transform: uppercase;
}

/* Навигация */
.m-tubing-nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.m-tubing-nav-link {
    background: #ffffff;
    color: #2c3e50;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid #ffea00;
    transition: all 0.3s ease;
    display: inline-block;
}

.m-tubing-nav-link:hover {
    background: #ffea00;
    color: #000000;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 234, 0, 0.2);
}

/* Секции */
.m-tubing-section {
    width: 100%;
    margin-bottom: 40px;
}

/* Карточки */
.m-tubing-card {
    width: 100%;
    background: #ffffff;
    border: 2px solid #f0f0f0;
    border-radius: 15px;
    padding: 30px;
    box-sizing: border-box;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.m-tubing-card:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    border-color: #ffea00;
}

/* Калькулятор */
.m-tubing-calculator-title {
    color: #2c3e50;
    font-size: 2rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 10px;
    text-align: center;
}

.m-tubing-calculator-subtitle {
    color: #666;
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 30px;
}

/* Табы */
.m-tubing-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    background: #f8f9fa;
    padding: 5px;
    border-radius: 50px;
}

.m-tubing-tab {
    flex: 1;
    padding: 15px 20px;
    border: none;
    background: transparent;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    color: #666;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.m-tubing-tab:hover {
    color: #2c3e50;
    background: rgba(255, 234, 0, 0.1);
}

.m-tubing-tab.active {
    background: #ffea00;
    color: #000000;
    box-shadow: 0 4px 12px rgba(255, 234, 0, 0.3);
}

/* Формы */
.m-tubing-form {
    display: none;
    animation: fadeIn 0.5s ease;
}

.m-tubing-form.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Группы ввода */
.m-tubing-input-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.m-tubing-input-wrapper {
    position: relative;
}

.m-tubing-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #2c3e50;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.m-tubing-label i {
    color: #ffea00;
}

.m-tubing-input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    background: #ffffff;
}

.m-tubing-input:focus {
    outline: none;
    border-color: #ffea00;
    box-shadow: 0 0 0 3px rgba(255, 234, 0, 0.1);
}

.m-tubing-input-hint {
    font-size: 0.85rem;
    color: #888;
    margin-top: 5px;
    margin-left: 5px;
}

/* Кнопки */
.m-tubing-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #ffea00;
    color: #000000;
    padding: 16px 40px;
    border: none;
    border-radius: 25px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    display: block;
}

.m-tubing-button:hover {
    background: #ffdd00;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 234, 0, 0.3);
}

.m-tubing-button.secondary {
    background: #f8f9fa;
    color: #2c3e50;
    border: 2px solid #ffea00;
}

.m-tubing-button.secondary:hover {
    background: #ffea00;
}

/* Результат */
.m-tubing-result {
    margin-top: 30px;
    animation: fadeIn 0.5s ease;
}

/* Успешный результат (один вариант) */
.m-tubing-success-card {
    background: linear-gradient(135deg, #e8f5e8 0%, #d0f0d0 100%);
    border: 2px solid #4caf50;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
}

.m-tubing-success-badge {
    background: #4caf50;
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: inline-block;
}

.m-tubing-success-size {
    font-size: 2.5rem;
    font-weight: 800;
    color: #2e7d32;
    margin-bottom: 10px;
}

.m-tubing-success-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.m-tubing-stat-card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.m-tubing-stat-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 8px;
}

.m-tubing-stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c3e50;
}

.m-tubing-success-desc {
    color: #555;
    font-size: 1.1rem;
    margin-bottom: 25px;
    line-height: 1.6;
}

/* Несколько результатов */
.m-tubing-multiple-results {
    background: linear-gradient(135deg, #e8f5e8 0%, #d0f0d0 100%);
    border: 2px solid #4caf50;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
}

.results-header {
    margin-bottom: 30px;
}

.user-params {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.param-card {
    background: white;
    padding: 15px 25px;
    border-radius: 10px;
    min-width: 150px;
}

.param-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 5px;
}

.param-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 30px;
}

.m-tubing-size-option {
    background: white;
    border-radius: 12px;
    padding: 25px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
    text-align: left;
}

.m-tubing-size-option.best-option {
    border: 3px solid #ffea00;
    box-shadow: 0 5px 20px rgba(255, 234, 0, 0.2);
    position: relative;
}

.m-tubing-size-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.size-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.size-title {
    display: flex;
    align-items: center;
    gap: 15px;
}

.size-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: #2e7d32;
}

.best-badge {
    background: #ffea00;
    color: #000000;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.size-match {
    background: #f8f9fa;
    padding: 10px 15px;
    border-radius: 12px;
    text-align: center;
    min-width: 100px;
}

.match-score {
    font-size: 1.3rem;
    font-weight: 800;
    color: #2c3e50;
    margin-bottom: 5px;
}

.match-text {
    font-size: 0.85rem;
    color: #666;
    font-weight: 600;
}

.size-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
}

.size-param {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: #555;
}

.size-param i {
    color: #ffea00;
    width: 20px;
}

.size-description {
    color: #555;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 20px;
    padding: 15px;
    background: #fff8e1;
    border-radius: 8px;
    border-left: 4px solid #ffea00;
}

.recommendation-note {
    background: white;
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #4caf50;
    text-align: left;
    font-size: 1rem;
    color: #555;
    margin-top: 20px;
}

.recommendation-note i {
    color: #ffea00;
    margin-right: 10px;
}

/* Ошибка */
.m-tubing-error-card {
    background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%);
    border: 2px solid #f44336;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
}

.m-tubing-error-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #c62828;
    margin-bottom: 15px;
}

.m-tubing-error-text {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.recommendations-box {
    margin: 20px 0;
    padding: 15px;
    background: rgba(255,255,255,0.5);
    border-radius: 10px;
    text-align: left;
}

.recommendations-box ul {
    margin: 0;
    padding-left: 20px;
}

.recommendations-box li {
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: #555;
}

/* Преимущества */
.m-tubing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.m-tubing-feature {
    background: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    border: 2px solid #f0f0f0;
    transition: all 0.3s ease;
}

.m-tubing-feature:hover {
    border-color: #ffea00;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.m-tubing-feature i {
    font-size: 2.5rem;
    color: #ffea00;
    margin-bottom: 15px;
}

.m-tubing-feature h3 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin: 0 0 10px 0;
}

.m-tubing-feature p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

/* Заголовки секций */
.m-tubing-section-title {
    color: #2c3e50;
    font-size: 1.8rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 25px;
    text-align: center;
}

/* Таблица */
.m-tubing-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.m-tubing-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    min-width: 600px;
}

.m-tubing-table thead {
    background: #ffea00;
}

.m-tubing-table th {
    padding: 18px 15px;
    text-align: left;
    font-weight: 700;
    color: #000000;
    font-size: 1rem;
}

.m-tubing-table tbody tr {
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.3s ease;
}

.m-tubing-table tbody tr:hover {
    background: #fffde7;
}

.m-tubing-table td {
    padding: 18px 15px;
    color: #333;
}

.m-tubing-table td:first-child {
    font-weight: 700;
    color: #2c3e50;
}

.m-tubing-table-link {
    background: #ffea00;
    color: #000000;
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-block;
    transition: all 0.3s ease;
}

.m-tubing-table-link:hover {
    background: #ffdd00;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 234, 0, 0.3);
}

/* FAQ */
.m-tubing-faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.m-tubing-faq-item {
    border: 2px solid #f0f0f0;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.m-tubing-faq-item:hover {
    border-color: #ffea00;
}

.m-tubing-faq-question {
    width: 100%;
    padding: 20px;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.m-tubing-faq-question:hover {
    background: rgba(255, 234, 0, 0.05);
}

.m-tubing-faq-question.active {
    background: rgba(255, 234, 0, 0.1);
}

.m-tubing-faq-question i {
    color: #ffea00;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.m-tubing-faq-question.active i {
    transform: rotate(180deg);
}

.m-tubing-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.m-tubing-faq-answer.open {
    max-height: 1000px;
}

.m-tubing-faq-answer-content {
    padding: 0 20px 20px;
}

.m-tubing-faq-answer p {
    font-size: 1rem;
    line-height: 1.6;
    color: #444;
    margin-bottom: 15px;
}

/* Безопасность */
.m-tubing-safety-content {
    padding: 20px 0;
}

.m-tubing-warning {
    display: flex;
    align-items: center;
    gap: 15px;
    background: #fff8e1;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    border-left: 5px solid #ff9800;
}

.m-tubing-warning i {
    font-size: 2rem;
    color: #ff9800;
}

.m-tubing-warning h3 {
    color: #e65100;
    margin: 0;
    font-size: 1.4rem;
}

.m-tubing-safety-list {
    list-style: none;
    padding: 0;
    margin: 0 0 40px 0;
}

.m-tubing-safety-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.m-tubing-safety-list li:hover {
    background: #fff8e1;
    transform: translateX(5px);
}

.m-tubing-safety-list li i {
    color: #4caf50;
    font-size: 1.2rem;
    margin-top: 2px;
}

/* CTA блок */
.m-tubing-cta {
    background: linear-gradient(135deg, #ffea00 0%, #ffdd00 100%);
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    margin-top: 40px;
}

.m-tubing-cta h3 {
    color: #000000;
    font-size: 1.8rem;
    margin: 0 0 15px 0;
}

.m-tubing-cta p {
    color: #333;
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.m-tubing-cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* SEO контент */
.m-tubing-seo-content h2 {
    color: #2c3e50;
    font-size: 1.8rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #ffea00;
}

.m-tubing-seo-content h3 {
    color: #34495e;
    font-size: 1.4rem;
    font-weight: 600;
    margin: 25px 0 15px;
    padding-left: 15px;
    border-left: 4px solid #ffea00;
}

.m-tubing-seo-content p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.7;
    color: #444;
}

.m-tubing-seo-content ul,
.m-tubing-seo-content ol {
    margin: 15px 0 15px 25px;
}

.m-tubing-seo-content li {
    margin-bottom: 10px;
    padding-left: 8px;
    font-size: 1.05rem;
    line-height: 1.6;
}

.m-tubing-seo-content ul li::before {
    content: "•";
    color: #ffea00;
    font-weight: bold;
    font-size: 1.2rem;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

.m-tubing-seo-content ol {
    counter-reset: m-tubing-item;
}

.m-tubing-seo-content ol li {
    counter-increment: m-tubing-item;
}

.m-tubing-seo-content ol li::before {
    content: counter(m-tubing-item) ".";
    color: #ffea00;
    font-weight: bold;
    display: inline-block;
    width: 1.5em;
    margin-left: -1.5em;
}

/* Ссылки в контенте */
.m-tubing-content-link {
    color: #2c3e50;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid #ffea00;
    padding-bottom: 2px;
    transition: all 0.3s ease;
}

.m-tubing-content-link:hover {
    color: #ffea00;
    border-bottom-color: #2c3e50;
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 1200px) {
    .m-tubing-container {
        padding: 20px 40px;
    }
}

@media (max-width: 992px) {
    .m-tubing-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 15px;
        margin-bottom: 30px;
        padding-bottom: 15px;
    }
    
    .m-tubing-brand-title {
        font-size: 1.6rem;
    }
    
    .m-tubing-nav {
        justify-content: center;
        gap: 10px;
        width: 100%;
    }
    
    .m-tubing-nav-link {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .m-tubing-container {
        padding: 15px 20px;
    }
    
    .m-tubing-calculator-title {
        font-size: 1.6rem;
    }
    
    .m-tubing-calculator-subtitle {
        font-size: 1rem;
    }
    
    .m-tubing-card {
        padding: 20px;
        border-radius: 12px;
    }
    
    .m-tubing-input-group {
        grid-template-columns: 1fr;
    }
    
    .m-tubing-success-stats {
        grid-template-columns: 1fr;
    }
    
    .m-tubing-cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .m-tubing-button {
        max-width: 100%;
    }
    
    .m-tubing-cta {
        padding: 30px 20px;
    }
    
    .m-tubing-cta h3 {
        font-size: 1.5rem;
    }
    
    .m-tubing-section-title {
        font-size: 1.5rem;
    }
    
    /* Адаптивность для нескольких результатов */
    .size-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .size-details {
        grid-template-columns: 1fr;
    }
    
    .user-params {
        flex-direction: column;
        align-items: center;
    }
    
    .param-card {
        width: 100%;
        max-width: 200px;
    }
    
    .m-tubing-faq-question {
        padding: 16px;
        font-size: 1rem;
    }
    
    .m-tubing-faq-answer-content {
        padding: 0 16px 16px;
    }
    
    .m-tubing-table {
        min-width: 500px;
    }
}

@media (max-width: 576px) {
    .m-tubing-container {
        padding: 15px;
    }
    
    .m-tubing-brand-title {
        font-size: 1.4rem;
    }
    
    .m-tubing-logo {
        width: 35px;
        height: 35px;
    }
    
    .m-tubing-nav {
        flex-direction: column;
        align-items: center;
    }
    
    .m-tubing-nav-link {
        width: 100%;
        text-align: center;
        max-width: 300px;
    }
    
    .m-tubing-tab {
        padding: 12px 15px;
        font-size: 0.9rem;
    }
    
    .m-tubing-input {
        padding: 12px 15px;
        font-size: 1rem;
    }
    
    .m-tubing-success-size {
        font-size: 2rem;
    }
    
    .m-tubing-warning {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .m-tubing-seo-content h2 {
        font-size: 1.5rem;
    }
    
    .m-tubing-seo-content h3 {
        font-size: 1.2rem;
    }
    
    /* Адаптивность для нескольких результатов на мобильных */
    .m-tubing-size-option {
        padding: 20px;
    }
    
    .size-value {
        font-size: 1.5rem;
    }
    
    .best-badge {
        font-size: 0.8rem;
        padding: 4px 12px;
    }
    
    .m-tubing-table {
        min-width: 400px;
        font-size: 0.9rem;
    }
    
    .m-tubing-table th,
    .m-tubing-table td {
        padding: 12px 10px;
    }
}