/* core/components/combobox/combobox.css — 178-2Н
   Reusable WAI-ARIA select-only combobox styling.
   Cascade: unlayered (то же что и `* { padding:0; margin:0 }` в tokens.css).
   ¬@layer ∵ anonymous layer (где живёт universal `*` reset) бьёт layered styles
   независимо от specificity → padding/margin схлопывались в 0. Specificity
   `.slide-combobox__*` (10) > `*` (0) → корректный override. */

/* ═══ Root ═══ */
.slide-combobox {
    position: relative;
    display: inline-flex;    /* 201-6Н: shrink-to-content default — back-compat для home toolbar +
                                любых inline-flex consumers. Full-width scope'нут на .side-menu-section
                                и .point-content-bar контексты ниже. */
    flex-direction: column;
    min-width: 0;
    box-sizing: border-box;
    font-family: var(--font-body);
    --combobox-h: var(--touch-min);
}

/* Screen-reader-only label */
.slide-combobox__sr-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ═══ Trigger button (role=combobox) ═══ */
.slide-combobox__trigger {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    /* 201-6Н: width auto default (shrink-to-content); полная ширина устанавливается
       scope'нутыми правилами для .side-menu-section и .point-content-bar контекстов. */
    height: var(--combobox-h);
    padding: 0 var(--space-lg);
    background: rgba(var(--text-main-rgb), 0.05);
    border: 1px solid rgba(var(--text-main-rgb), 0.1);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-family: inherit;
    font-size: var(--fs-step-0);
    line-height: 1.2;
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--timing-fast) var(--ease-standard),
                border-color var(--timing-fast) var(--ease-standard),
                box-shadow var(--timing-fast) var(--ease-standard);
}

.slide-combobox__trigger:hover {
    background: rgba(var(--text-main-rgb), 0.08);
    border-color: rgba(var(--text-main-rgb), 0.18);
}

.slide-combobox__trigger:focus-visible {
    outline: 2px solid var(--accent-secondary);
    outline-offset: 2px;
}

.slide-combobox[data-combobox-state="open"] .slide-combobox__trigger {
    border-color: rgba(var(--accent-secondary-rgb), 0.6);
    background: rgba(var(--text-main-rgb), 0.08);
}

.slide-combobox__value {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.slide-combobox__chevron {
    flex-shrink: 0;
    font-size: var(--fs-step--1);
    color: var(--text-secondary);
    transition: transform var(--timing-fast) var(--ease-standard),
                color var(--timing-fast) var(--ease-standard);
}

.slide-combobox[data-combobox-state="open"] .slide-combobox__chevron {
    transform: rotate(180deg);
    color: var(--text-main);
}

/* ═══ Listbox popup (role=listbox) ═══ */
.slide-combobox__listbox {
    position: absolute;
    top: calc(100% + var(--space-sm));
    /* 201-5Н: listbox width === trigger width (¬overflow в обе стороны от секции).
       Раньше min-width: max(100%, 240px) + right: 0 → выезд за rights при узком trigger
       (icon-button ~50px) ∨ при pill «Авто» (~80px) в side menu секциях. */
    left: 0;
    right: 0;
    min-width: 100%;
    width: 100%;
    max-height: 60vh;
    overflow-y: auto;
    list-style: none;
    margin: 0;
    padding: var(--space-sm);
    background: rgba(var(--surface-dark-rgb), 0.96);
    -webkit-backdrop-filter: var(--blur-md);
    backdrop-filter: var(--blur-md);
    -webkit-backdrop-filter: var(--blur-md);
    border: 1px solid rgba(var(--text-main-rgb), 0.18);
    border-radius: var(--radius-md);
    box-shadow:
        0 20px 60px rgba(var(--black-rgb), 0.7),
        0 4px 16px rgba(var(--black-rgb), 0.5),
        0 0 0 1px rgba(var(--text-main-rgb), 0.04) inset;
    z-index: var(--z-controls);
    opacity: 0;
    visibility: hidden;
    transform: translateY(var(--space-xs));
    transition: opacity var(--timing-normal) var(--ease-standard),
                transform var(--timing-normal) var(--ease-standard),
                visibility var(--timing-normal) var(--ease-standard);
}

.slide-combobox[data-combobox-state="open"] .slide-combobox__listbox {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ═══ Option (role=option) ═══ */
.slide-combobox__option {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    /* 178-2.12Н: padding-left увеличен (`--space-xl`) для air между
       ::before stripe (selected indicator на left: --space-sm) ∧ text.
       Text начинается с 40px → gap stripe→text ≈ 29px (vs 13px раньше). */
    padding: var(--space-ms) var(--space-lg) var(--space-ms) var(--space-xl);
    margin: 2px 0;
    color: var(--text-secondary);
    font-size: var(--fs-step-0);
    line-height: 1.3;
    border-radius: var(--radius-sm);
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--timing-fast) var(--ease-standard),
                color var(--timing-fast) var(--ease-standard);
}

.slide-combobox__option:hover {
    background: rgba(var(--text-main-rgb), 0.06);
    color: var(--text-main);
}

/* aria-activedescendant visual indicator (DOM focus stays on trigger) */
.slide-combobox__option.is-active {
    background: rgba(var(--accent-secondary-rgb), 0.14);
    color: var(--text-main);
}

/* selected (current value) — subtle blue accent, peer-level visual language
   (178-2.11Н: magenta → blue per topbar accent consistency — search:focus,
   action-btn:focus, combobox:focus используют --accent-secondary). */
.slide-combobox__option.is-selected {
    background: rgba(var(--accent-secondary-rgb), 0.14);
    color: var(--accent-secondary);
    font-weight: 600;
}

.slide-combobox__option.is-selected::before {
    content: '';
    position: absolute;
    left: var(--space-sm);
    top: var(--space-sm);
    bottom: var(--space-sm);
    width: 3px;
    background: var(--accent-secondary);
    border-radius: var(--radius-xs);
}

.slide-combobox__option.is-selected.is-active {
    background: rgba(var(--accent-secondary-rgb), 0.22);
}

.slide-combobox__option-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    flex: 1 1 auto;
}

/* ═══ Badge (count / hint справа от label) ═══ */
.slide-combobox__badge {
    flex-shrink: 0;
    min-width: 1.6em;
    padding: 2px var(--space-sm);
    background: rgba(var(--text-main-rgb), 0.08);
    color: rgba(var(--text-main-rgb), 0.55);
    font-size: var(--fs-step--1);
    font-family: var(--font-body);
    border-radius: 999px;
    font-weight: 500;
    line-height: 1.4;
    text-align: center;
}

.slide-combobox__option:hover .slide-combobox__badge {
    background: rgba(var(--text-main-rgb), 0.14);
    color: rgba(var(--text-main-rgb), 0.75);
}

.slide-combobox__option.is-selected .slide-combobox__badge {
    background: rgba(var(--accent-secondary-rgb), 0.25);
    color: var(--accent-secondary);
}

/* ═══ Topbar variant (compact, ≥601w) ═══
   OPTICAL: thin topbar variant ≥601w; mobile keeps touch-min (a11y WCAG 2.5.8). */
@media (min-width: 601px) {
    .slide-combobox.is-compact {
        --combobox-h: 36px;
    }
    .slide-combobox.is-compact .slide-combobox__trigger {
        padding: 0 var(--space-md);
        gap: var(--space-md);
        font-size: var(--fs-step-0);
    }
    .slide-combobox.is-compact .slide-combobox__option {
        /* 178-2.12Н: compact mode keeps proportional padding-left (--space-lg)
           для тех же ~13px gap между stripe ∧ text как у full-size options. */
        padding: var(--space-sm) var(--space-md) var(--space-sm) var(--space-lg);
        font-size: var(--fs-step-0);
    }
}

/* ═══ Side-menu section context (201-6Н) ═══
   Внутри `.side-menu-section` (Пропорции, и любые будущие full-width pills)
   combobox растягивается на full section width. icon-button variant
   обрабатывается отдельно через .point-content-bar > .is-icon-button rules. */
.side-menu-section > .slide-combobox:not(.is-icon-button) {
    display: flex;
    width: 100%;
}
.side-menu-section > .slide-combobox:not(.is-icon-button) .slide-combobox__trigger {
    width: 100%;
}

/* ═══ Icon-button variant (201-4Н) ═══
   Для row-context (.point-content-bar) — square icon-button trigger с fixed
   иконкой (¬меняется по selected value). `.is-active` magenta highlight когда
   value !== falsyDefault (sym `.point-content-btn.active` в controls_count.css).
   ARIA contract preserved: role=combobox + aria-haspopup + aria-expanded +
   aria-activedescendant + keyboard nav (Arrow/Home/End/Enter/Space/Escape).
   Chevron hidden visually — disclosure через ARIA, sym icon-only toggle buttons. */

.slide-combobox.is-icon-button .slide-combobox__trigger {
    width: 100%;
    padding: 0;
    gap: 0;
    justify-content: center;
    position: relative;
}

.slide-combobox.is-icon-button .slide-combobox__value {
    display: none;
}

.slide-combobox.is-icon-button .slide-combobox__trigger-icon {
    font-size: 22px;
    color: var(--text-main);
    line-height: 1;
}

.slide-combobox.is-icon-button .slide-combobox__trigger-icon.is-text {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 16px;
}

.slide-combobox.is-icon-button .slide-combobox__chevron {
    /* Без visible chevron — aria-expanded preserved для SR через ARIA */
    display: none;
}

.slide-combobox.is-icon-button[data-combobox-state="open"] .slide-combobox__trigger {
    background: rgba(var(--text-main-rgb), 0.1);
    border-color: rgba(var(--accent-secondary-rgb), 0.4);
}

.slide-combobox.is-icon-button.is-active .slide-combobox__trigger {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--text-main);
    box-shadow: 0 0 15px rgba(var(--accent-primary-rgb), 0.3);
}

.slide-combobox.is-icon-button.is-active .slide-combobox__trigger-icon {
    color: var(--text-main);
}

/* Per-option icon в listbox (201-4Н) — visual hint рядом с label */
.slide-combobox__option-icon {
    font-size: 18px;
    opacity: 0.7;
    flex-shrink: 0;
}

.slide-combobox__option.is-selected .slide-combobox__option-icon {
    opacity: 1;
    color: var(--accent-secondary);
}

/* 201-5Н: textual icon variant — sym .slide-combobox__trigger-icon.is-text */
.slide-combobox__option-icon.is-text {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14px;
    line-height: 1;
}

/* 201-5Н: icon-only options в icon-button listbox — square cells, hidden visual label
   (accessible name через aria-label + browser tooltip через title attribute).
   Listbox width = trigger width; option width × height = trigger ≈ 44×44 cell. */
.slide-combobox.is-icon-button .slide-combobox__listbox {
    /* override default min-width: max(100%, 240px) → exact trigger width */
    min-width: 100%;
    width: 100%;
    padding: var(--space-xs);
}

.slide-combobox.is-icon-button .slide-combobox__option {
    justify-content: center;
    align-items: center;
    padding: 0;
    margin: 0;
    height: var(--touch-min);   /* 44px — sym trigger height */
    gap: 0;
}

.slide-combobox.is-icon-button .slide-combobox__option-label {
    display: none;
}

.slide-combobox.is-icon-button .slide-combobox__option-icon {
    font-size: 20px;
    opacity: 0.9;
}

/* 201-5Н: textual icon вариант в icon-button mode — меньшего размера ∵ text wider чем symbol */
.slide-combobox.is-icon-button .slide-combobox__option-icon.is-text {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.slide-combobox.is-icon-button .slide-combobox__option.is-selected .slide-combobox__option-icon {
    opacity: 1;
}

/* Adjust selected indicator stripe для narrow listbox */
.slide-combobox.is-icon-button .slide-combobox__option.is-selected::before {
    left: 1px;
    width: 2px;
}

/* ═══ Reduced motion ═══ */
@media (prefers-reduced-motion: reduce) {
    .slide-combobox__trigger,
    .slide-combobox__chevron,
    .slide-combobox__listbox,
    .slide-combobox__option {
        transition: none;
    }
}