/* ET01 SaaS tabs and collapsible panels — shared app-wide presentation. */
:root {
    --et-panel-accent: #14b8a6;
    --et-panel-accent-strong: #0f766e;
    --et-panel-accent-soft: color-mix(in srgb, var(--et-panel-accent) 11%, var(--et-bg-surface));
    --et-panel-border: var(--et-border-color);
    --et-panel-surface: var(--et-bg-surface);
    --et-panel-subtle: var(--et-bg-subtle);
    --et-panel-text: var(--et-text-primary);
    --et-panel-muted: var(--et-text-muted);
}

html[data-theme="dark"] {
    --et-panel-accent: #2dd4bf;
    --et-panel-accent-strong: #5eead4;
}

/* Tabs: Bootstrap tabs plus the transaction workspace tab variants. */
.nav-tabs,
.quote-tabs,
.rate-workspace-tabs,
.et-quote-tabs {
    display: flex;
    flex-wrap: nowrap;
    gap: .25rem;
    overflow-x: auto;
    overflow-y: hidden;
    border: 0;
    border-block-end: 1px solid var(--et-panel-border);
    background: transparent;
    scrollbar-width: thin;
}

.nav-tabs .nav-item {
    flex: 0 0 auto;
}

.nav-tabs .nav-link,
.quote-tabs button,
.rate-workspace-tab,
.et-quote-tabs button {
    min-block-size: 2.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    padding: .65rem .9rem;
    border: 0;
    border-block-end: 2px solid transparent;
    border-radius: .45rem .45rem 0 0;
    background: transparent;
    color: var(--et-panel-muted);
    font-size: .86rem;
    font-weight: 700;
    line-height: 1.25;
    white-space: nowrap;
    cursor: pointer;
    transition: color .16s ease, background-color .16s ease, border-color .16s ease;
}

.nav-tabs .nav-link:hover,
.quote-tabs button:hover,
.rate-workspace-tab:hover,
.et-quote-tabs button:hover {
    border-block-end-color: color-mix(in srgb, var(--et-panel-accent) 45%, transparent);
    background: var(--et-panel-accent-soft);
    color: var(--et-panel-accent-strong);
}

.nav-tabs .nav-link.active,
.nav-tabs .nav-item.show .nav-link,
.quote-tabs button.active,
.rate-workspace-tab--active,
.et-quote-tabs button.active {
    border-block-end-color: var(--et-panel-accent);
    background: var(--et-panel-surface);
    color: var(--et-panel-accent-strong);
    font-weight: 800;
}

.nav-tabs .nav-link:focus-visible,
.quote-tabs button:focus-visible,
.rate-workspace-tab:focus-visible,
.et-quote-tabs button:focus-visible,
.et-accordion-header:focus-visible,
.assignment-group > summary:focus-visible,
.et-audit-panel > summary:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--et-panel-accent) 30%, transparent);
    outline-offset: -3px;
}

.nav-tabs .nav-link:disabled,
.quote-tabs button:disabled,
.rate-workspace-tab:disabled,
.et-quote-tabs button:disabled {
    opacity: .5;
    cursor: not-allowed;
}

.nav-pills .nav-link {
    color: var(--et-panel-muted);
    border-radius: .5rem;
    font-weight: 700;
}

.nav-pills .nav-link:hover {
    color: var(--et-panel-accent-strong);
    background: var(--et-panel-accent-soft);
}

.nav-pills .nav-link.active,
.nav-pills .show > .nav-link {
    color: #fff;
    background: var(--et-panel-accent-strong);
}

/* Shared accordion, permission groups, and audit collapse panels. */
.et-accordion,
.assignment-group,
.et-audit-panel {
    margin-block-end: .8rem;
    padding: 0;
    border: 1px solid var(--et-panel-border);
    border-radius: .65rem;
    background: var(--et-panel-surface);
    box-shadow: 0 2px 8px rgba(15, 23, 42, .04);
    overflow: hidden;
}

.et-accordion-header,
.assignment-group > summary,
.et-audit-panel > summary {
    inline-size: 100%;
    min-block-size: 2.85rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    margin: 0;
    padding: .72rem .9rem;
    border: 0;
    background: var(--et-panel-subtle);
    color: var(--et-panel-text);
    font: inherit;
    font-size: .88rem;
    font-weight: 750;
    text-align: start;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: color .16s ease, background-color .16s ease;
}

.assignment-group > summary::-webkit-details-marker,
.et-audit-panel > summary::-webkit-details-marker {
    display: none;
}

.et-accordion-header:hover,
.assignment-group > summary:hover,
.et-audit-panel > summary:hover,
.et-accordion.is-expanded > .et-accordion-header,
.assignment-group[open] > summary,
.et-audit-panel[open] > summary {
    background: var(--et-panel-accent-soft);
    color: var(--et-panel-accent-strong);
}

.et-accordion-title-wrap {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    min-inline-size: 0;
}

.et-accordion-icon,
.et-accordion-chevron {
    color: var(--et-panel-muted);
}

.et-accordion-title {
    color: inherit;
    font-size: inherit;
    font-weight: inherit;
}

.et-accordion-chevron,
.et-audit-panel > summary > i,
.assignment-group > summary::after {
    flex: 0 0 auto;
    transition: transform .18s ease;
}

.et-accordion.is-expanded .et-accordion-chevron {
    transform: rotate(90deg);
}

.assignment-group > summary::after {
    content: "\f078";
    color: var(--et-panel-muted);
    font-family: "Font Awesome 5 Free";
    font-size: .72rem;
    font-weight: 900;
}

.assignment-group[open] > summary::after,
.et-audit-panel[open] > summary > i {
    transform: rotate(180deg);
}

.et-accordion-body,
.assignment-group > :not(summary),
.et-audit-panel__items {
    padding: .9rem;
    border-block-start: 1px solid var(--et-panel-border);
}

.assignment-group > .admin-check-list {
    margin: 0;
}

html[dir="rtl"] .et-accordion-chevron {
    transform: rotate(180deg);
}

html[dir="rtl"] .et-accordion.is-expanded .et-accordion-chevron {
    transform: rotate(90deg);
}

@media (max-width: 767.98px) {
    .nav-tabs .nav-link,
    .quote-tabs button,
    .rate-workspace-tab,
    .et-quote-tabs button {
        padding-inline: .72rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .nav-tabs .nav-link,
    .quote-tabs button,
    .rate-workspace-tab,
    .et-quote-tabs button,
    .et-accordion-header,
    .et-accordion-chevron,
    .assignment-group > summary,
    .assignment-group > summary::after,
    .et-audit-panel > summary,
    .et-audit-panel > summary > i {
        transition: none;
    }
}

/* Page tabs: opened-pages strip rendered by EtPageTabs under the topbar.
   Header-style tabs (ETCashier pattern): every tab is a bordered box resting
   on the strip's bottom border; the active tab adds an accent bar. */
.et-page-tabs {
    display: flex;
    flex-wrap: nowrap;
    align-items: flex-end;
    gap: 0;
    overflow-x: auto;
    overflow-y: hidden;
    padding: .45rem 1rem 0;
    background: var(--et-panel-subtle);
    border-block-end: 1px solid var(--et-panel-border);
    scrollbar-width: thin;
    position: sticky;
    inset-block-start: var(--et-shell-topbar-height, var(--et-topbar-height));
    z-index: 20;
}

/* Adjacent tabs share their border like real tab headers. */
.et-page-tabs__item + .et-page-tabs__item {
    margin-inline-start: -1px;
}

.et-page-tabs__item {
    position: relative;
    display: inline-flex;
    align-items: stretch;
    flex: 0 0 auto;
    border: 1px solid var(--et-panel-border);
    border-block-end: 0;
    border-start-start-radius: .45rem;
    border-start-end-radius: .45rem;
    background: var(--et-panel-surface);
    margin-block-end: -1px;
}

.et-page-tabs__item.is-active::after {
    content: "";
    position: absolute;
    inset-inline: 0;
    inset-block-end: 0;
    block-size: 3px;
    background: var(--et-panel-accent);
}

.et-page-tabs .nav-link {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    min-block-size: 2.4rem;
    padding: .4rem .9rem;
    padding-inline-end: 2.4rem;
    border: 0;
    background: transparent;
    color: var(--et-panel-muted);
    font-size: .86rem;
    font-weight: 700;
    line-height: 1.25;
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
    transition: color .16s ease, background-color .16s ease;
}

.et-page-tabs .nav-link:hover {
    background: var(--et-panel-accent-soft);
    color: var(--et-panel-accent-strong);
}

.et-page-tabs .nav-link.active {
    color: var(--et-panel-accent-strong);
    font-weight: 800;
}

.et-page-tabs__label {
    max-inline-size: 14rem;
    overflow: hidden;
    text-overflow: ellipsis;
}

.et-page-tabs__close {
    position: absolute;
    inset-inline-end: .25rem;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    inline-size: 1.3rem;
    block-size: 1.3rem;
    padding: 0;
    border: 0;
    border-radius: .3rem;
    background: transparent;
    color: inherit;
    font-size: .68rem;
    line-height: 1;
    cursor: pointer;
    opacity: .5;
    transition: opacity .15s ease, background-color .15s ease;
}

.et-page-tabs__close:hover {
    opacity: 1;
    background: #dc2626;
    color: #fff;
}

.et-page-tabs__close:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--et-panel-accent) 30%, transparent);
    outline-offset: -3px;
}

/* Breadcrumb bar: page-level path trail that replaces the plain page h1. */
.et-breadcrumb-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .45rem;
}

.et-breadcrumb__home {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    inline-size: 1.7rem;
    block-size: 1.7rem;
    border-radius: .35rem;
    background: var(--et-panel-subtle);
    color: var(--et-panel-accent-strong);
    font-size: .85rem;
    text-decoration: none;
    transition: background-color .15s ease, color .15s ease;
}

.et-breadcrumb__home:hover {
    background: var(--et-panel-accent);
    color: #fff;
}

.et-breadcrumb__separator {
    font-size: .62rem;
    color: var(--et-panel-muted);
    opacity: .7;
    user-select: none;
}

html[dir="rtl"] .et-breadcrumb__separator {
    transform: scaleX(-1);
}

.et-breadcrumb__item {
    color: var(--et-panel-muted);
    font-size: .84rem;
    font-weight: 600;
    text-decoration: none;
}

a.et-breadcrumb__item:hover {
    color: var(--et-panel-accent-strong);
    text-decoration: underline;
}

.et-breadcrumb-bar .page-title {
    margin: 0;
    font-size: 1rem;
    line-height: 1.4;
}

.et-breadcrumb__current {
    color: var(--et-panel-accent-strong);
    background: var(--et-panel-accent-soft);
    padding: .12rem .55rem;
    border-radius: .3rem;
    border: 1px solid var(--et-panel-border);
}

/* Thin navigation progress bar rendered on the tab strip's bottom border. */
.et-page-tabs__progress {
    position: absolute;
    inset-inline: 0;
    inset-block-end: 0;
    block-size: 3px;
    overflow: hidden;
    pointer-events: none;
}

.et-page-tabs__progress > span {
    display: block;
    block-size: 100%;
    inline-size: 0;
    background: var(--et-panel-accent);
    opacity: 0;
}

.et-page-tabs__progress.is-loading > span {
    opacity: 1;
    animation: et-page-progress .75s ease-out forwards;
}

@keyframes et-page-progress {
    0% { inline-size: 0; opacity: 1; }
    70% { inline-size: 65%; opacity: 1; }
    100% { inline-size: 100%; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .et-page-tabs__progress.is-loading > span {
        animation: none;
        inline-size: 100%;
    }
}