/**
 * Паттерны UI витрины: табы, dropdown, legacy-утилиты (без Bootstrap).
 */

.site-text-center {
    text-align: center;
}

.site-text-muted {
    color: #777;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.clearfix::before,
.clearfix::after {
    content: " ";
    display: table;
}

.clearfix::after {
    clear: both;
}

.list-unstyled {
    list-style: none;
    margin: 0;
    padding: 0;
}

.list-inline {
    list-style: none;
    margin: 0;
    padding: 0;
}

.list-inline > li {
    display: inline-block;
    margin-right: 0.75rem;
}

/* Dropdown (корзина в шапке и др.) */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 1000;
    display: none;
    min-width: 160px;
    margin: 0.25rem 0 0;
    padding: 0.5rem 0;
    list-style: none;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 6px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.dropdown-menu > li > a {
    display: block;
    padding: 0.45rem 1rem;
    color: #333;
    text-decoration: none;
}

.dropdown-menu > li > a:hover {
    background: #f5f5f5;
}

/* Табы (профиль, карточка товара) */
.nav-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin: 0 0 1rem;
    padding: 0;
    list-style: none;
    border-bottom: 1px solid #ddd;
}

.nav-tabs > li > a {
    display: block;
    padding: 0.5rem 1rem;
    color: #555;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: 6px 6px 0 0;
}

.nav-tabs > li.active > a,
.nav-tabs > li > a:hover {
    color: #333;
    background: #fff;
    border-color: #ddd #ddd #fff;
}

.tab-content > .tab-pane {
    display: none;
}

.tab-content > .tab-pane.active {
    display: block;
}