/*
 * CBI File Browser - design tokens and component styles.
 * Loaded by browser_base.html (full pages) and fl_browse_table_dir_embed.html (embed picker).
 * Requires Bootstrap 5.3 CSS and Bootstrap Icons.
 */

:root {
    --ffb-bg: #f4f6f8;
    --ffb-surface: #ffffff;
    --ffb-border: #e4e8ee;
    --ffb-muted: #64748b;
    --ffb-ink: #1e293b;
    --ffb-accent: #0d6efd;
    --ffb-accent-soft: #eaf2ff;
    --ffb-navbar-bg: #1b2129;
    --ffb-navbar-ink: #e8edf4;
    --ffb-navbar-muted: #9aa7b8;
    --ffb-radius: .75rem;
    --ffb-radius-sm: .5rem;
    --ffb-shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .08);
    --ffb-shadow-lg: 0 8px 24px rgba(15, 23, 42, .12);
    --ffb-icon-dir: #f0b429;
    --ffb-icon-image: #3b82f6;
    --ffb-icon-data: #8b5cf6;
    --ffb-icon-csv: #16a34a;
    --ffb-icon-text: #64748b;
    --ffb-icon-default: #94a3b8;
    --ffb-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body.ffb-body {
    background: var(--ffb-bg);
    color: var(--ffb-ink);
    font-family: var(--ffb-font);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.ffb-body .ffb-main {
    flex: 1 0 auto;
    width: 100%;
}

/* ---------------------------------------------------------------- navbar */

.ffb-navbar {
    background: var(--ffb-navbar-bg);
    color: var(--ffb-navbar-ink);
    padding: 0;
}

.ffb-navbar .navbar-brand {
    color: var(--ffb-navbar-ink);
    padding-top: .75rem;
    padding-bottom: .75rem;
    min-width: 0;
}

.ffb-navbar .navbar-brand:hover,
.ffb-navbar .navbar-brand:focus {
    color: #ffffff;
}

.ffb-brand-logo {
    height: 2.25rem;
    width: auto;
    border-radius: .375rem;
    background: #ffffff;
    padding: .125rem;
}

.ffb-navbar .navbar-toggler {
    border-color: rgba(255, 255, 255, .25);
    color: var(--ffb-navbar-ink);
}

.ffb-navbar .navbar-toggler-icon {
    filter: invert(1) grayscale(1) brightness(2);
}

.ffb-navbar .nav-link {
    color: var(--ffb-navbar-muted);
    font-size: .925rem;
    padding: .5rem .75rem;
    border-radius: var(--ffb-radius-sm);
    transition: color .15s ease, background-color .15s ease;
}

.ffb-navbar .nav-link:hover,
.ffb-navbar .nav-link:focus {
    color: #ffffff;
    background: rgba(255, 255, 255, .08);
}

.ffb-navbar .nav-link i {
    font-size: 1rem;
    vertical-align: -.125em;
}

/* Breadcrumb inline in the main navbar row (left, next to the brand) */
.ffb-breadcrumb-wrap {
    flex: 1 1 auto;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.ffb-breadcrumb-wrap::-webkit-scrollbar {
    display: none;
}

.ffb-breadcrumb {
    --bs-breadcrumb-divider-color: var(--ffb-navbar-muted);
    flex-wrap: nowrap;
    margin: 0;
    padding: .25rem;
    font-size: .875rem;
    white-space: nowrap;
}

.ffb-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    color: var(--ffb-navbar-muted);
}

.ffb-breadcrumb .breadcrumb-item a {
    color: var(--ffb-navbar-muted);
    text-decoration: none;
    transition: color .15s ease;
}

.ffb-breadcrumb .breadcrumb-item a:hover,
.ffb-breadcrumb .breadcrumb-item a:focus {
    color: #ffffff;
}

.ffb-breadcrumb .breadcrumb-item.active {
    color: #ffffff;
    font-weight: 500;
}

.ffb-breadcrumb .breadcrumb-item,
.ffb-breadcrumb .breadcrumb-item a {
    max-width: 14rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ffb-crumb-home i {
    vertical-align: -.1em;
}

/* ---------------------------------------------------------------- layout */

.ffb-main {
    /* Same horizontal gutter as .ffb-container so the navbar, content and
       footer edges all align on wide monitors. */
    padding: 1.5rem 1rem 2.5rem;
}

.ffb-explorer {
    margin-bottom: 0;
}

.ffb-container {
    padding-left: 1rem;
    padding-right: 1rem;
}

/* ---------------------------------------------------------------- toolbar */

.ffb-toolbar {
    margin-bottom: 1rem;
}

.ffb-chip {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .3rem .75rem;
    border-radius: 999px;
    background: var(--ffb-surface);
    border: 1px solid var(--ffb-border);
    color: var(--ffb-ink);
    font-size: .825rem;
    font-weight: 500;
    box-shadow: var(--ffb-shadow);
}

.ffb-chip i {
    color: var(--ffb-accent);
    font-size: .9rem;
}

.ffb-updated {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    color: var(--ffb-muted);
    font-size: .825rem;
}

/* ---------------------------------------------------------------- table */

.ffb-card {
    background: var(--ffb-surface);
    border: 1px solid var(--ffb-border);
    border-radius: var(--ffb-radius);
    box-shadow: var(--ffb-shadow);
    overflow: hidden;
}

.ffb-table thead th {
    background: #f8fafc;
    color: var(--ffb-muted);
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .05em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--ffb-border);
    padding: .75rem 1rem;
    white-space: nowrap;
}

.ffb-table tbody td {
    padding: .6rem 1rem;
    border-color: #f1f5f9;
    vertical-align: middle;
}

.ffb-table tbody tr:last-child td {
    border-bottom: 0;
}

.ffb-name-link {
    color: var(--ffb-ink);
    font-weight: 500;
    text-decoration: none;
    transition: color .15s ease;
}

.ffb-name-link:hover,
.ffb-name-link:focus {
    color: var(--ffb-accent);
}

.ffb-file-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

.ffb-cell-muted {
    color: var(--ffb-muted);
    font-size: .875rem;
    white-space: nowrap;
}

.ffb-actions-col {
    width: 3.5rem;
}

.ffb-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.1rem;
    height: 2.1rem;
    padding: 0;
    border: 0;
    border-radius: var(--ffb-radius-sm);
    background: transparent;
    color: var(--ffb-muted);
    line-height: 1;
    transition: background-color .15s ease, color .15s ease;
}

.ffb-icon-btn:hover,
.ffb-icon-btn:focus-visible {
    background: var(--ffb-accent-soft);
    color: var(--ffb-accent);
}

.ffb-icon-btn i {
    font-size: 1.1rem;
}

/* File-type icons (class list rendered by the table template) */
.ffb-file-icon {
    font-size: 1.15rem;
    flex: 0 0 auto;
}

.ffb-icon-dir {
    color: var(--ffb-icon-dir);
}

.ffb-icon-image {
    color: var(--ffb-icon-image);
}

.ffb-icon-data {
    color: var(--ffb-icon-data);
}

.ffb-icon-csv {
    color: var(--ffb-icon-csv);
}

.ffb-icon-text {
    color: var(--ffb-icon-text);
}

.ffb-icon-default {
    color: var(--ffb-icon-default);
}

/* ---------------------------------------------------------------- modals */

.ffb-modal-dialog {
    max-width: 34rem;
}

.ffb-modal-content {
    border: 1px solid var(--ffb-border);
    border-radius: var(--ffb-radius);
    box-shadow: var(--ffb-shadow-lg);
}

.ffb-modal-header {
    align-items: center;
    border-bottom: 1px solid var(--ffb-border);
    padding: 1rem 1.25rem;
}

.ffb-modal-icon {
    font-size: 1.6rem;
    color: var(--ffb-accent);
    background: var(--ffb-accent-soft);
    border-radius: var(--ffb-radius-sm);
    padding: .45rem;
    flex: 0 0 auto;
}

.ffb-modal-kicker {
    color: var(--ffb-muted);
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.ffb-modal-header .modal-title {
    font-size: .975rem;
    margin: 0;
}

.ffb-modal-body {
    padding: 1rem 1.25rem;
}

.ffb-meta {
    border: 1px solid var(--ffb-border);
    border-radius: var(--ffb-radius-sm);
    overflow: hidden;
}

.ffb-meta-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: .6rem .9rem;
    font-size: .9rem;
}

.ffb-meta-row + .ffb-meta-row {
    border-top: 1px solid var(--ffb-border);
}

.ffb-meta-label {
    color: var(--ffb-muted);
}

.ffb-meta-value {
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.ffb-modal-footer {
    border-top: 1px solid var(--ffb-border);
    padding: .85rem 1.25rem;
    gap: .5rem;
}

/* The multiscale trigger button is injected with Bootstrap primary classes
   by its plugin partial; restyle it as an outline action to match the footer. */
.ffb-modal-footer .btn.toggle-modal {
    color: var(--ffb-accent);
    background: var(--ffb-surface);
    border: 1px solid var(--ffb-accent);
}

.ffb-modal-footer .btn.toggle-modal:hover,
.ffb-modal-footer .btn.toggle-modal:focus {
    color: #ffffff;
    background: var(--ffb-accent);
}

/* ---------------------------------------------------------------- footer */

.ffb-footer {
    flex-shrink: 0;
    border-top: 1px solid var(--ffb-border);
    background: var(--ffb-surface);
    padding: .9rem 0;
}

.ffb-footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
}

.ffb-footer-text {
    color: var(--ffb-muted);
    font-size: .825rem;
}

.ffb-footer-path {
    color: var(--ffb-muted);
    font-size: .75rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------------------------------------------------------------- auth pages */

.ffb-auth-icon {
    font-size: 2.5rem;
    color: var(--ffb-accent);
}

.ffb-home-logo {
    height: 5rem;
    width: auto;
}

.ffb-motto {
    letter-spacing: .02em;
}

/* ------------------------------------------------------------- DataTables */

.ffb-table-wrapper .dataTables_wrapper {
    padding: 0;
}

.ffb-table-wrapper .dataTables_wrapper .row:first-child {
    padding: .85rem 1rem .5rem;
    margin: 0;
    align-items: center;
}

.ffb-table-wrapper .dataTables_wrapper .row:last-child {
    padding: .75rem 1rem;
    margin: 0;
    border-top: 1px solid var(--ffb-border);
    background: #fbfcfe;
    border-radius: 0 0 var(--ffb-radius) var(--ffb-radius);
}

.ffb-table-wrapper .dataTables_filter {
    text-align: right;
}

.ffb-table-wrapper .dataTables_filter label {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    margin-bottom: 0;
    font-size: .875rem;
    color: var(--ffb-muted);
}

.ffb-table-wrapper .dataTables_filter input {
    border: 1px solid var(--ffb-border);
    border-radius: 999px;
    padding: .35rem .9rem;
    font-size: .875rem;
    min-width: 14rem;
    outline: none;
    transition: border-color .15s ease, box-shadow .15s ease;
}

.ffb-table-wrapper .dataTables_filter input:focus {
    border-color: var(--ffb-accent);
    box-shadow: 0 0 0 .2rem rgba(13, 110, 253, .12);
}

.ffb-table-wrapper .dataTables_length label {
    margin-bottom: 0;
    font-size: .875rem;
    color: var(--ffb-muted);
}

.ffb-table-wrapper .dataTables_length select {
    border: 1px solid var(--ffb-border);
    border-radius: var(--ffb-radius-sm);
    padding: .25rem .5rem;
    font-size: .875rem;
    margin: 0 .35rem;
}

.ffb-table-wrapper .dataTables_info {
    font-size: .8rem;
    color: var(--ffb-muted);
    padding-top: 0;
}

.ffb-table-wrapper .dataTables_paginate {
    padding-top: 0;
}

.ffb-table-wrapper .page-link {
    border-radius: var(--ffb-radius-sm);
    border-color: var(--ffb-border);
    color: var(--ffb-ink);
    font-size: .85rem;
    padding: .3rem .65rem;
}

.ffb-table-wrapper .page-item.active .page-link {
    background: var(--ffb-accent);
    border-color: var(--ffb-accent);
}

.ffb-table-wrapper .page-item.disabled .page-link {
    color: #cbd5e1;
}

.ffb-table-wrapper table.dataTable.no-footer {
    border-bottom: 0;
}

/* --------------------------------------------------------------- embed mode */

body.ffb-embed {
    background: var(--ffb-surface);
}

body.ffb-embed .ffb-main,
body.ffb-embed .ffb-toolbar {
    margin: 0;
    padding: .75rem;
}

body.ffb-embed .ffb-toolbar {
    padding-bottom: .5rem;
    margin-bottom: .5rem;
}

body.ffb-embed .ffb-card {
    box-shadow: none;
}

/* Embed picker navigation strip: breadcrumbs (left) + up-one-level link (right) */
body.ffb-embed .ffb-crumb-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    margin: 0;
    padding: .75rem .75rem 0;
}

body.ffb-embed .ffb-crumb-row + .ffb-toolbar {
    padding-top: .25rem;
}

body.ffb-embed .ffb-crumb-scroll {
    flex: 1 1 auto;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

body.ffb-embed .ffb-crumb-scroll::-webkit-scrollbar {
    display: none;
}

/* Light-theme variant of the dark-navbar breadcrumb colors */
.ffb-breadcrumb-embed {
    --bs-breadcrumb-divider-color: var(--ffb-muted);
    flex-wrap: nowrap;
    margin: 0;
    padding: .25rem;
    font-size: .875rem;
    white-space: nowrap;
}

.ffb-breadcrumb-embed .breadcrumb-item + .breadcrumb-item::before {
    color: var(--ffb-muted);
}

.ffb-breadcrumb-embed .breadcrumb-item a {
    color: var(--ffb-muted);
    text-decoration: none;
    transition: color .15s ease;
}

.ffb-breadcrumb-embed .breadcrumb-item a:hover,
.ffb-breadcrumb-embed .breadcrumb-item a:focus {
    color: var(--ffb-accent);
}

.ffb-breadcrumb-embed .breadcrumb-item.active {
    color: var(--ffb-ink);
    font-weight: 500;
}

.ffb-breadcrumb-embed .breadcrumb-item,
.ffb-breadcrumb-embed .breadcrumb-item a {
    max-width: 14rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ffb-breadcrumb-embed .ffb-crumb-home i {
    vertical-align: -.1em;
}

.ffb-up-btn {
    flex: 0 0 auto;
    text-decoration: none;
}

/* ------------------------------------------------------------- responsive */

@media (max-width: 575.98px) {
    .ffb-main {
        padding-top: 1rem;
    }

    .ffb-table-wrapper .dataTables_filter input {
        min-width: 0;
        width: 100%;
    }

    .ffb-table-wrapper .dataTables_filter,
    .ffb-table-wrapper .dataTables_length {
        text-align: left;
    }
}