/* ==========================================================================
   NACS Show 2026 - Tabs Section
   Matches Figma:
     - Desktop Light  9494-100452
     - Desktop Blue   9494-100465
     - Mobile  Light  9494-100478
     - Mobile  Blue   9494-100492
   Tokens: NACSShow2026Tokens.css
   ========================================================================== */

.ns-tabs {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    background: var(--nacs-color-white, #FFFFFF);
}

.ns-tabs--blue {
    background: var(--nacs-color-navy, #00205B);
    color: var(--nacs-color-white, #FFFFFF);
}

/* --------------------------------------------------------------------------
   Desktop tab navigation row (hidden on mobile)
   -------------------------------------------------------------------------- */
.ns-tabs__nav {
    display: flex;
    align-items: stretch;
    width: 100%;
    border-bottom: 0;
}

.ns-tabs__nav-item {
    flex: 1 0 0;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 32px 24px;
    background: transparent;
    border: 0;
    border-bottom: 2px solid var(--nacs-color-cyan, #009FDF);
    cursor: pointer;
    font-family: var(--nacs-font-gotham);
    font-weight: 700;
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-align: center;
    transition: border-color 0.2s ease, color 0.2s ease, opacity 0.2s ease, background-color 0.2s ease;
}

.ns-tabs__nav-item:focus-visible {
    outline: 2px solid var(--nacs-color-cyan, #009FDF);
    outline-offset: -4px;
}

/* Light theme nav */
.ns-tabs--light .ns-tabs__nav-item {
    color: var(--nacs-color-black, #000000);
    opacity: 0.5;
}

.ns-tabs--light .ns-tabs__nav-item:hover {
    opacity: 0.8;
}

.ns-tabs--light .ns-tabs__nav-item.is-active {
    color: var(--nacs-color-blue, #004C97);
    opacity: 1;
    border-bottom-width: 8px;
    padding-bottom: 26px; /* 32 - (8 - 2) so total height stays aligned */
}

/* Blue theme nav */
.ns-tabs--blue .ns-tabs__nav-item {
    color: var(--nacs-color-white, #FFFFFF);
    opacity: 0.5;
}

.ns-tabs--blue .ns-tabs__nav-item:hover {
    opacity: 0.8;
}

.ns-tabs--blue .ns-tabs__nav-item.is-active {
    color: var(--nacs-color-yellow, #FAE100);
    opacity: 1;
    background: rgba(255, 255, 255, 0.04);
    border-bottom-width: 8px;
    padding-bottom: 26px;
}

.ns-tabs__hidden-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--nacs-font-gotham);
    font-weight: 700;
    font-size: 10px;
    line-height: 14px;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    padding: 1px 6px;
    border-radius: 3px;
    background: #dc3545;
    color: #fff;
    margin-left: 8px;
}

/* --------------------------------------------------------------------------
   Mobile accordion header + dropdown list (hidden on desktop)
   -------------------------------------------------------------------------- */
.ns-tabs__mobile {
    display: none;
    position: relative;
    width: 100%;
    padding: 16px 20px 0 20px;
    box-sizing: border-box;
}

.ns-tabs__mobile-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 16px;
    background: transparent;
    border: 0;
    border-bottom: 2px solid var(--nacs-color-cyan, #009FDF);
    cursor: pointer;
    font-family: var(--nacs-font-gotham);
    font-weight: 700;
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-align: left;
    box-sizing: border-box;
}

.ns-tabs--light .ns-tabs__mobile-header {
    color: var(--nacs-color-blue, #004C97);
    background: var(--nacs-color-white, #FFFFFF);
}

.ns-tabs--blue .ns-tabs__mobile-header {
    color: var(--nacs-color-white, #FFFFFF);
    background: transparent;
    border-bottom-width: 8px;
}

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

.ns-tabs__mobile-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 360px;
    background: var(--nacs-color-yellow, #FAE100);
    color: var(--nacs-color-black, #000000);
    transition: transform 0.25s ease;
}

.ns-tabs__mobile-icon svg {
    width: 20px;
    height: 20px;
    transition: transform 0.25s ease;
}

.ns-tabs__mobile[aria-expanded="true"] .ns-tabs__mobile-icon svg,
.ns-tabs__mobile.is-open .ns-tabs__mobile-icon svg {
    transform: rotate(180deg);
}

.ns-tabs__mobile-list {
    list-style: none;
    margin: 8px 0 0 0;
    padding: 12px 0;
    background: var(--nacs-color-white, #FFFFFF);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease, padding 0.25s ease, margin 0.25s ease;
}

.ns-tabs__mobile.is-open .ns-tabs__mobile-list {
    max-height: 400px;
    overflow-y: auto;
}

.ns-tabs__mobile-option {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: transparent;
    border: 0;
    cursor: pointer;
    font-family: var(--nacs-font-gotham);
    font-weight: 700;
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--nacs-color-black, #000000);
    opacity: 0.5;
    text-align: left;
    transition: opacity 0.2s ease, color 0.2s ease;
}

.ns-tabs__mobile-option:hover {
    opacity: 0.9;
}

.ns-tabs__mobile-option.is-active {
    color: var(--nacs-color-blue, #004C97);
    opacity: 1;
}

/* --------------------------------------------------------------------------
   Panels (content area)
   -------------------------------------------------------------------------- */
.ns-tabs__panels {
    width: 100%;
}

.ns-tabs__panel {
    display: none;
}

.ns-tabs__panel.is-active {
    display: block;
}

.ns-tabs__panel-inner {
    padding: 64px 80px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    align-items: stretch;
    box-sizing: border-box;
}

/* Optional rich-text body rendered above the column grid */
.ns-tabs__body-text {
    font-family: var(--nacs-font-gotham);
    font-weight: 325;
    font-size: 18px;
    line-height: 24px;
    color: var(--nacs-color-black, #000000);
}

.ns-tabs--blue .ns-tabs__body-text {
    color: var(--nacs-color-white, #FFFFFF);
}

/* Column grid (supports 1, 2, 3, 4 columns with Bootstrap-like 12-slot sizing) */
.ns-tabs__columns {
    display: flex;
    flex-wrap: wrap;
    gap: 40px 143px; /* row-gap | column-gap to match Figma two-column spacing */
    align-items: flex-start;
}

.ns-tabs__column {
    min-width: 0;
    box-sizing: border-box;
    /* Column width is 100% of available space after the column-gap.
       We compute each column's basis as (size/12) of (100% - total gap). */
}

/* Flex basis per slot — relies on --ns-tabs-col-gap for consistent math */
.ns-tabs__columns {
    --ns-tabs-col-gap: 143px;
}

.ns-tabs__column--1  { flex: 0 0 calc((100% - var(--ns-tabs-col-gap) * 1) *  1 / 12); }
.ns-tabs__column--2  { flex: 0 0 calc((100% - var(--ns-tabs-col-gap) * 1) *  2 / 12); }
.ns-tabs__column--3  { flex: 0 0 calc((100% - var(--ns-tabs-col-gap) * 1) *  3 / 12); }
.ns-tabs__column--4  { flex: 0 0 calc((100% - var(--ns-tabs-col-gap) * 1) *  4 / 12); }
.ns-tabs__column--5  { flex: 0 0 calc((100% - var(--ns-tabs-col-gap) * 1) *  5 / 12); }
.ns-tabs__column--6  { flex: 0 0 calc((100% - var(--ns-tabs-col-gap) * 1) *  6 / 12); }
.ns-tabs__column--7  { flex: 0 0 calc((100% - var(--ns-tabs-col-gap) * 1) *  7 / 12); }
.ns-tabs__column--8  { flex: 0 0 calc((100% - var(--ns-tabs-col-gap) * 1) *  8 / 12); }
.ns-tabs__column--9  { flex: 0 0 calc((100% - var(--ns-tabs-col-gap) * 1) *  9 / 12); }
.ns-tabs__column--10 { flex: 0 0 calc((100% - var(--ns-tabs-col-gap) * 1) * 10 / 12); }
.ns-tabs__column--11 { flex: 0 0 calc((100% - var(--ns-tabs-col-gap) * 1) * 11 / 12); }
.ns-tabs__column--12 { flex: 0 0 100%; }

/* Single-column layout: no horizontal gap needed */
.ns-tabs__columns:has(> .ns-tabs__column--12:only-child) {
    gap: 0;
}

/* Hidden-tab notice shown only in edit mode */
.ns-tabs__hidden-notice {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 14px;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 6px;
    color: #856404;
    font-family: var(--nacs-font-gotham);
    font-size: 13px;
    line-height: 1.5;
}

.ns-tabs__panel--hidden {
    opacity: 0.85;
}

.ns-tabs__empty {
    padding: 48px 24px;
    text-align: center;
    font-family: var(--nacs-font-gotham);
    color: var(--nacs-color-grey-dark, #425563);
}

/* Blue theme content base color */
.ns-tabs--blue .ns-tabs__panel-inner,
.ns-tabs--blue .ns-tabs__panel-inner p,
.ns-tabs--blue .ns-tabs__panel-inner li {
    color: var(--nacs-color-white, #FFFFFF);
}

/* --------------------------------------------------------------------------
   Mobile (<= 768px)
   -------------------------------------------------------------------------- */
@media screen and (max-width: 768px) {
    .ns-tabs__nav {
        display: none;
    }

    .ns-tabs__mobile {
        display: block;
    }

    .ns-tabs__panel-inner {
        gap: 24px;
        padding: 32px 20px;
    }

    /* Stack columns on mobile regardless of desktop layout */
    .ns-tabs__columns {
        gap: 32px;
        --ns-tabs-col-gap: 0px;
    }

    .ns-tabs__column,
    .ns-tabs__column--1,
    .ns-tabs__column--2,
    .ns-tabs__column--3,
    .ns-tabs__column--4,
    .ns-tabs__column--5,
    .ns-tabs__column--6,
    .ns-tabs__column--7,
    .ns-tabs__column--8,
    .ns-tabs__column--9,
    .ns-tabs__column--10,
    .ns-tabs__column--11,
    .ns-tabs__column--12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* --------------------------------------------------------------------------
   Edit mode: always render hidden tab nav items with visual marker
   -------------------------------------------------------------------------- */
.ktc-page-builder-edit-mode .ns-tabs__nav-item.is-hidden,
.ktc-page-builder-edit-mode .ns-tabs__mobile-option.is-hidden {
    opacity: 0.4;
    font-style: italic;
}

/* --------------------------------------------------------------------------
   Edit mode: stack every panel so editors can drop widgets into any tab
   without relying on the public-site tab-switching JS (which can be torn
   down by Kentico re-renders). Mobile dropdown is hidden because the panels
   are already laid out vertically.
   -------------------------------------------------------------------------- */
.ns-tabs--edit .ns-tabs__panel,
.ktc-page-builder-edit-mode .ns-tabs__panel {
    display: block;
}

.ns-tabs--edit .ns-tabs__panel + .ns-tabs__panel,
.ktc-page-builder-edit-mode .ns-tabs__panel + .ns-tabs__panel {
    border-top: 1px dashed rgba(0, 32, 91, 0.35);
}

.ns-tabs--edit .ns-tabs__mobile,
.ktc-page-builder-edit-mode .ns-tabs__mobile {
    display: none;
}

.ns-tabs__edit-label {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    margin-bottom: 8px;
    background: rgba(0, 159, 223, 0.12);
    border-left: 4px solid var(--nacs-color-cyan, #009FDF);
    border-radius: 4px;
    font-family: var(--nacs-font-gotham);
    font-size: 12px;
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--nacs-color-navy, #00205B);
}

.ns-tabs--blue .ns-tabs__edit-label {
    background: rgba(255, 255, 255, 0.12);
    color: var(--nacs-color-white, #FFFFFF);
    border-left-color: var(--nacs-color-yellow, #FAE100);
}

.ns-tabs__edit-label-number {
    font-weight: 700;
}

.ns-tabs__edit-label-title {
    flex: 1 1 auto;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
}

.ns-tabs__edit-label-flag {
    padding: 2px 8px;
    border-radius: 3px;
    background: var(--nacs-color-yellow, #FAE100);
    color: var(--nacs-color-black, #000000);
    font-weight: 700;
    font-size: 10px;
}