/* Стили для фиксированной кнопки */
    .fixed-cover-btn-container {
        position: fixed;
        top: 50%;
        right: 0;
        transform: translateY(-50%);
        z-index: 1000;
        display: flex;
        align-items: center;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        animation: slideInFromRight 0.6s ease-out;
    }

    .fixed-cover-btn {
        background: linear-gradient(135deg, #ff3535ff 0%, #ff8c42 100%);
        color: white;
        padding: 18px 15px;
        border-radius: 12px 0 0 12px;
        cursor: pointer;
        box-shadow: -4px 4px 20px rgba(255, 107, 53, 0.3);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        max-width: 220px;
        font-weight: 700;
        text-align: center;
        line-height: 1.4;
        border: none;
        margin: 0;
        font-size: 15px;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
        letter-spacing: 0.3px;
        position: relative;
        overflow: hidden;
    }

    .fixed-cover-btn::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
        transition: left 0.7s ease;
    }

    .fixed-cover-btn:hover::before {
        left: 100%;
    }

    .fixed-cover-btn:hover {
        background: linear-gradient(135deg, #e52b2bff 0%, #ff3535ff 100%);
        transform: translateX(-5px) translateY(-2px);
        box-shadow: -6px 6px 25px rgba(255, 107, 53, 0.4);
    }

    /* Свернутое состояние */
    .fixed-cover-btn.collapsed {
        width: 0px;
        height: 0px;
        padding: 0;
        max-width: 50px;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
        font-size: 0;

        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        box-shadow: -4px 4px 15px rgba(74, 144, 226, 0.3);
        transform: translateX(15px);
    }

    .fixed-cover-btn.collapsed:before {
        content: "?";
        font-size: 20px;
        font-weight: bold;
        color: white;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    }

    .fixed-cover-btn.collapsed:hover {
        background: linear-gradient(135deg, #357abd 0%, #2c5aa0 100%);
        transform: translateX(12px) scale(1.1);
        box-shadow: -6px 6px 20px rgba(74, 144, 226, 0.4);
    }

    /* Кнопка закрытия */
    .cover-close-btn {
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        border: 2px solid #e9ecef;
        font-size: 18px;
        cursor: pointer;
        color: #6c757d;
        padding: 0;
        z-index: 1001;
        margin-left: 12px;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        box-shadow: -2px 2px 10px rgba(0, 0, 0, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        font-weight: bold;
        position: relative;
        overflow: hidden;
    }

    .cover-close-btn::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, #ff3535ff 0%, #e52b2bff 100%);
        opacity: 0;
        transition: opacity 0.3s ease;
        border-radius: 50%;
    }

    .cover-close-btn:hover::before {
        opacity: 1;
    }

    .cover-close-btn:hover {
        color: white;
        border-color: #ff6b35;

        box-shadow: -3px 3px 15px rgba(255, 107, 53, 0.3);
    }

    .cover-close-btn span {
        position: relative;
        z-index: 1;
        transition: transform 0.3s ease;
    }

    .cover-close-btn:hover span {
        transform: scale(1.2);
    }

    /* Стили для кнопки в режиме вопроса */
    .cover-close-btn.question-mode {
        background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
        color: white;
        border-color: #357abd;
    }

    .cover-close-btn.question-mode::before {
        background: linear-gradient(135deg, #357abd 0%, #2c5aa0 100%);
    }

    .cover-close-btn.question-mode:hover {
        border-color: #2c5aa0;
    }

    .cover-close-btn.question-mode span {
        transform: scale(1.2);
    }

    /* Анимация появления */
    @keyframes slideInFromRight {
        from {
            transform: translateX(100%) translateY(-50%);
            opacity: 0;
        }

        to {
            transform: translateX(0) translateY(-50%);
            opacity: 1;
        }
    }

    /* Модальное окно */
    .cover-modal {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.7);
        z-index: 2000;
        animation: fadeIn 0.3s ease;
    }

    .cover-modal-contentt {
        position: absolute;
        top: 55%;
        left: 50%;
        transform: translate(-50%, -50%);
        background: white;
        padding: 30px;
        border-radius: 12px;
        max-width: 800px;
        width: 90%;
        max-height: 80vh;
        overflow-y: auto;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }

    /* Фиксированный крестик закрытия */
    .cover-modal-close-fixed {
        position: fixed;
        top: 5%;
        left: 90%;
        width: 40px;
        height: 40px;
        background: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: 2001;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        font-size: 24px;
        color: #333;
        transition: all 0.3s ease;
    }

    .cover-modal-close-fixed:hover {
        background: #f0f0f0;
        transform: scale(1.1);
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
        }

        to {
            opacity: 1;
        }
    }

    .cover-modal-contentt h2 {
        color: #333;
        margin-bottom: 15px;
        font-size: 24px;
        padding-right: 30px;
    }

    .cover-modal-contentt p {
        color: #666;
        line-height: 1.6;
        margin-bottom: 20px;
    }

    /* Кнопки */
    .btn {
        padding: 12px 24px;
        border: none;
        border-radius: 6px;
        cursor: pointer;
        font-size: 14px;
        font-weight: 600;
        transition: all 0.3s ease;
    }

    .btn-default {
        background: #ff6b35;
        color: white;
    }

    .btn-default:hover {
        background: #e55a2b;
        transform: translateY(-2px);
    }

    .cover-modal-show-btn {
        margin: 20px auto;
        display: block;
    }

    /* Список автомобилей */
    .car-list-container {
        margin-top: 20px;
        display: none;
    }

    .car-list-disclaimer {
        font-size: 12px;
        color: #999;
        margin-bottom: 20px;
        text-align: center;
    }

    .car-brands-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        margin-top: 20px;
    }

    .car-brands-column {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    /* Аккордеон брендов */
    .car-brand-accordion {
        border: 1px solid #e0e0e0;
        border-radius: 6px;
        overflow: hidden;
    }

    .car-brand-header {
        padding: 12px 15px;
        background: #f8f9fa;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        transition: background 0.3s ease;
    }

    .car-brand-header:hover {
        background: #e9ecef;
    }

    .car-brand-title {
        font-weight: 600;
        color: #333;
    }

    .car-brand-arrow {
        color: #666;
        transition: transform 0.3s ease;
    }

    .car-brand-accordion.active .car-brand-arrow {
        transform: rotate(180deg);
    }

    .car-models-container {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .car-models-list {
        padding: 15px;
        background: white;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .car-model-item {
        background: #f1f3f5;
        padding: 6px 12px;
        border-radius: 20px;
        font-size: 12px;
        color: #495057;
        white-space: nowrap;
    }

    /* Адаптивность */
    @media (max-width: 768px) {
        .car-brands-grid {
            grid-template-columns: 1fr;
        }

        .fixed-cover-btn {
            padding: 15px 12px;
            font-size: 14px;
            max-width: 180px;
        }



        .cover-close-btn {
            width: 35px;
            height: 35px;
            font-size: 16px;
            margin-left: 10px;
        }

        .cover-modal-contentt {
            padding: 20px;
            width: 95%;
        }

        .cover-modal-close-fixed {
            top: 10px;
            right: 10px;
            width: 35px;
            height: 35px;
            font-size: 20px;
        }
    }

    @media (max-width: 480px) {
        .fixed-cover-btn {
            max-width: 150px;
            font-size: 13px;
            padding: 12px 10px;
        }



        .cover-close-btn {
            width: 32px;
            height: 32px;
            font-size: 14px;
            margin-left: 8px;
        }

        .cover-modal-close-fixed {
            top: 8px;
            right: 8px;
            width: 30px;
            height: 30px;
            font-size: 18px;
        }
    }