/* =========================================================
   BASE — контейнер, типографика, разделители,
   focus-visible, reduced-motion, compact mode
   ========================================================= */

.ui-kit {
    font-family: var(--ui-kit-font);
    color: var(--ui-kit-text);
    line-height: var(--ui-kit-lh-base);
    box-sizing: border-box;
}
.ui-kit *, .ui-kit *::before, .ui-kit *::after { box-sizing: border-box; }

/* --- Compact / Spacious режимы --------------------------------------- */
.ui-kit--compact {
    --ui-kit-space-xs: 2px;
    --ui-kit-space-sm: 6px;
    --ui-kit-space-md: 8px;
    --ui-kit-space-lg: 12px;
    --ui-kit-space-xl: 16px;
    --ui-kit-space-2xl: 18px;
    --ui-kit-space-3xl: 24px;
    --ui-kit-space-4xl: 32px;
}
.ui-kit--spacious {
    --ui-kit-space-xs: 6px;
    --ui-kit-space-sm: 12px;
    --ui-kit-space-md: 16px;
    --ui-kit-space-lg: 20px;
    --ui-kit-space-xl: 28px;
    --ui-kit-space-2xl: 32px;
    --ui-kit-space-3xl: 40px;
    --ui-kit-space-4xl: 56px;
}

/* --- Focus-visible для всех интерактивных элементов ------------------ */
.ui-kit-btn:focus-visible,
.ui-kit-btn--link:focus-visible,
.ui-kit-chip:focus-visible,
.ui-kit-tab:focus-visible,
.ui-kit-segmented__item:focus-visible,
.ui-kit-pagination__item:focus-visible,
.ui-kit-menu__item:focus-visible,
.ui-kit-dropdown__item:focus-visible,
.ui-kit-accordion__summary:focus-visible,
.ui-kit-file-card:focus-visible,
.ui-kit-file-list__item:focus-visible,
.ui-kit-timeline__action:focus-visible,
.ui-kit-modal__close:focus-visible,
.ui-kit-toast__close:focus-visible,
.ui-kit-number__btn:focus-visible,
.ui-kit-rating__star:focus-visible,
.ui-kit-datepicker__cell:focus-visible,
.ui-kit-combobox__option:focus-visible,
.ui-kit-tag-input__remove:focus-visible,
.ui-kit-inline-edit:focus-visible,
.ui-kit-tree__toggle:focus-visible {
    outline: 2px solid var(--ui-kit-blue);
    outline-offset: 2px;
}
.ui-kit-input:focus-within,
.ui-kit-textarea:focus,
.ui-kit-select:focus,
.ui-kit-input--error:focus-within {
    outline: none;
}

/* --- Reduced motion -------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    .ui-kit-btn--primary.is-pulsing,
    .ui-kit-skeleton__media,
    .ui-kit-skeleton__line,
    .ui-kit-skeleton__line--title,
    .ui-kit-skeleton__line--title-short,
    .ui-kit-skeleton__line--short,
    .ui-kit-skeleton__cta,
    .ui-kit-timeline__item--active::before,
    .ui-kit-loader {
        animation: none !important;
    }
    .ui-kit-card,
    .ui-kit-btn,
    .ui-kit-chip,
    .ui-kit-tab,
    .ui-kit-file-card,
    .ui-kit-file-list__item,
    .ui-kit-menu__item,
    .ui-kit-dropdown__item {
        transition-duration: 0.01ms !important;
    }
    .ui-kit-card--hover-lift:hover,
    .ui-kit-card--hover-lift-soft:hover,
    .ui-kit-file-card:hover,
    .ui-kit-stat:hover,
    .ui-kit-feature:hover,
    .ui-kit-timeline__card:hover,
    .ui-kit-timeline__item--done .ui-kit-timeline__card:hover,
    .ui-kit-timeline__item--active .ui-kit-timeline__card:hover {
        transform: none !important;
    }
}

/* --- Типографика ----------------------------------------------------- */
.ui-kit-h1, .ui-kit-h2, .ui-kit-h3, .ui-kit-h4, .ui-kit-h5, .ui-kit-h6 {
    margin: 0 0 var(--ui-kit-space-md);
    color: var(--ui-kit-navy);
    font-weight: var(--ui-kit-fw-bold);
    line-height: var(--ui-kit-lh-tight);
    letter-spacing: -0.01em;
}
.ui-kit-h1 { font-size: var(--ui-kit-fs-4xl); }
.ui-kit-h2 { font-size: var(--ui-kit-fs-3xl); }
.ui-kit-h3 { font-size: var(--ui-kit-fs-2xl); }
.ui-kit-h4 { font-size: var(--ui-kit-fs-xl); }
.ui-kit-h5 { font-size: var(--ui-kit-fs-lg); }
.ui-kit-h6 { font-size: var(--ui-kit-fs-md); }

.ui-kit-text { font-size: var(--ui-kit-fs-base); line-height: var(--ui-kit-lh-loose); color: var(--ui-kit-text); margin: 0 0 var(--ui-kit-space-md); }
.ui-kit-text--muted { color: var(--ui-kit-text-muted); }
.ui-kit-text--sm { font-size: var(--ui-kit-fs-sm); }
.ui-kit-text--lg { font-size: var(--ui-kit-fs-lg); }

.ui-kit-link {
    color: var(--ui-kit-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--ui-kit-trans-fast), color var(--ui-kit-trans-fast);
}
.ui-kit-link:hover { color: var(--ui-kit-accent-hover); border-bottom-color: currentColor; }

/* --- Разделители ----------------------------------------------------- */
.ui-kit-divider { border: none; height: 1px; background: var(--ui-kit-border); margin: var(--ui-kit-space-2xl) 0; }
.ui-kit-divider--dashed { background: none; border-top: 1px dashed var(--ui-kit-border); }
.ui-kit-divider--label {
    display: flex; align-items: center; gap: 12px;
    background: none; border: none; height: auto; margin: var(--ui-kit-space-2xl) 0;
    color: var(--ui-kit-text-muted); font-size: var(--ui-kit-fs-xs);
    text-transform: uppercase; letter-spacing: 0.06em; font-weight: var(--ui-kit-fw-semibold);
}
.ui-kit-divider--label::before,
.ui-kit-divider--label::after {
    content: ''; flex: 1; height: 1px; background: var(--ui-kit-border);
}

/* --- Секции ---------------------------------------------------------- */
.ui-kit-section { margin-bottom: var(--ui-kit-space-4xl); }
.ui-kit-section:last-child { margin-bottom: 0; }
.ui-kit-section__head {
    display: flex; align-items: center; justify-content: space-between;
    gap: var(--ui-kit-space-lg); margin-bottom: var(--ui-kit-space-2xl);
    padding-bottom: var(--ui-kit-space-xl);
    border-bottom: 1px solid var(--ui-kit-border); flex-wrap: wrap;
}
.ui-kit-section__title {
    font-size: var(--ui-kit-fs-2xl); font-weight: var(--ui-kit-fw-bold);
    line-height: var(--ui-kit-lh-tight); margin: 0; color: var(--ui-kit-navy);
    letter-spacing: -0.01em;
}

/* --- Skip-link ------------------------------------------------------- */
.ui-kit-skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 10000;
    padding: 12px 20px;
    background: var(--ui-kit-blue); color: var(--ui-kit-white);
    border-radius: 0 0 var(--ui-kit-radius-md) 0;
    text-decoration: none; font-weight: var(--ui-kit-fw-semibold);
}
.ui-kit-skip-link:focus { left: 0; }

/* --- Сетка ----------------------------------------------------------- */
.ui-kit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--ui-kit-space-2xl);
}
@media (max-width: 992px) { .ui-kit-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--ui-kit-space-xl); } }
@media (max-width: 600px) { .ui-kit-grid { grid-template-columns: 1fr; gap: var(--ui-kit-space-lg); } }