/* Linklr corporate design - tokens, Bootstrap 5.0 overrides and layout components.
   Source of truth for the palette: design/linklr-cd.css */
:root {
  --lk-bg: #18181c; --lk-surface: #202026; --lk-surface-2: #2a2a31; --lk-border: #36363e;
  --lk-text: #e4e4e7; --lk-text-dim: #a1a1aa; --lk-text-mute: #71717a;
  --lk-cyan: #22d3ee; --lk-cyan-ink: #04252b; --lk-cyan-soft: rgba(34, 211, 238, .12); --lk-cyan-text: #22d3ee;
  --lk-amber: #fbbf24; --lk-danger: #f87171;
  --lk-radius: 8px;
  --lk-font: "Inter", ui-sans-serif, system-ui, "Segoe UI", sans-serif;
  color-scheme: dark;
}
[data-theme="light"] {
  --lk-bg: #ebe8e0; --lk-surface: #f6f4ee; --lk-surface-2: #e2dfd5; --lk-border: #d3cfc2;
  --lk-text: #1c1b18; --lk-text-dim: #55524a; --lk-text-mute: #84807a;
  --lk-cyan-soft: rgba(8, 145, 178, .12); --lk-cyan-text: #0e7490; --lk-amber: #d97706; --lk-danger: #dc2626;
  color-scheme: light;
}

/* ---------- base ---------- */
body { background: var(--lk-bg); color: var(--lk-text); font-family: var(--lk-font); font-size: 14px; }
a { color: var(--lk-cyan-text); }
a:hover { color: var(--lk-cyan-text); opacity: .85; }
h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 { color: var(--lk-text); }
hr { border-color: var(--lk-border); opacity: 1; }
.text-muted { color: var(--lk-text-mute) !important; }
.container, .container-fluid { color: var(--lk-text); }

/* ---------- top bar ---------- */
.lk-top { background: var(--lk-surface); border-bottom: 1px solid var(--lk-border); position: sticky; top: 0; z-index: 1030; }
.lk-top .lk-in { max-width: 1400px; margin: 0 auto; padding: 0 16px; min-height: 52px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.lk-logo { font-weight: 700; font-size: 20px; letter-spacing: -.03em; display: inline-flex; align-items: center; gap: 8px; color: var(--lk-text) !important; text-decoration: none; margin-right: 12px; }
.lk-logo .mark { width: 24px; height: 24px; display: block; }
.lk-logo em { font-style: normal; color: var(--lk-cyan-text); }
.lk-nav { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; flex: 1; }
.lk-nav a, .lk-nav .lk-link { color: var(--lk-text-dim); text-decoration: none; padding: 6px 10px; border-radius: 6px; font-weight: 500; background: none; border: 0; cursor: pointer; font-size: 14px; }
.lk-nav a:hover, .lk-nav .lk-link:hover { background: var(--lk-surface-2); color: var(--lk-text); opacity: 1; }
.lk-nav a.on { color: var(--lk-text); background: var(--lk-surface-2); }
.lk-nav a.lk-admin { color: var(--lk-cyan-text); }
.lk-nav a.lk-upgrade { color: var(--lk-amber); }
.lk-right { display: flex; align-items: center; gap: 6px; }
.lk-sub { background: var(--lk-surface); border-bottom: 1px solid var(--lk-border); }
.lk-sub .lk-in { max-width: 1400px; margin: 0 auto; padding: 0 16px; display: flex; gap: 2px; flex-wrap: wrap; }
.lk-sub a { color: var(--lk-text-dim); text-decoration: none; padding: 8px 12px; border-bottom: 2px solid transparent; font-weight: 500; }
.lk-sub a:hover { color: var(--lk-text); opacity: 1; }
.lk-sub a.on { color: var(--lk-text); border-bottom-color: var(--lk-cyan); }
.lk-main { max-width: 1400px; margin: 0 auto; padding: 20px 16px; }
.lk-main.full { max-width: none; padding: 0; }

/* ---------- Bootstrap overrides ---------- */
.card, .modal-content, .dropdown-menu, .list-group-item { background: var(--lk-surface); color: var(--lk-text); border: 1px solid var(--lk-border); border-radius: var(--lk-radius); }
.card-header, .card-footer, .modal-header, .modal-footer { background: var(--lk-surface-2); border-color: var(--lk-border); color: var(--lk-text); }
.card-header { font-weight: 600; }
.form-control, .form-select, .custom-select, .input-group-text {
  background-color: var(--lk-surface-2); color: var(--lk-text); border: 1px solid var(--lk-border); border-radius: 6px; }
.form-control:focus, .form-select:focus { background-color: var(--lk-surface-2); color: var(--lk-text); border-color: var(--lk-cyan); box-shadow: 0 0 0 .15rem var(--lk-cyan-soft); }
.form-control::placeholder { color: var(--lk-text-mute); }
.form-control:disabled, .form-control[readonly] { background-color: var(--lk-surface); }
.form-check-input { background-color: var(--lk-surface-2); border-color: var(--lk-border); }
.form-check-input:checked { background-color: var(--lk-cyan); border-color: var(--lk-cyan); }
label { color: var(--lk-text-dim); }
.dropdown-menu { box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.dropdown-item { color: var(--lk-text-dim); }
.dropdown-item:hover, .dropdown-item:focus { background: var(--lk-surface-2); color: var(--lk-text); }
.dropdown-divider { border-color: var(--lk-border); }
.btn { border-radius: 6px; font-weight: 600; }
.btn-primary, .btn-success, .btn-info { background: var(--lk-cyan); border-color: var(--lk-cyan); color: var(--lk-cyan-ink); }
.btn-primary:hover, .btn-success:hover, .btn-info:hover, .btn-primary:focus, .btn-success:focus, .btn-info:focus { background: var(--lk-cyan); border-color: var(--lk-cyan); color: var(--lk-cyan-ink); filter: brightness(1.08); }
.btn-secondary, .btn-default, .btn-light { background: var(--lk-surface-2); border: 1px solid var(--lk-border); color: var(--lk-text); }
.btn-secondary:hover, .btn-default:hover, .btn-light:hover { background: var(--lk-border); color: var(--lk-text); }
.btn-danger { background: transparent; border: 1px solid var(--lk-danger); color: var(--lk-danger); }
.btn-danger:hover { background: var(--lk-danger); border-color: var(--lk-danger); color: #fff; }
.btn-warning { background: var(--lk-amber); border-color: var(--lk-amber); color: #231a00; }
.btn-outline-primary, .btn-outline-info { color: var(--lk-cyan-text); border-color: var(--lk-cyan); }
.badge, .badge-info { background: var(--lk-surface-2) !important; color: var(--lk-text-dim) !important; font-weight: 500; }
.alert { border-radius: var(--lk-radius); border: 1px solid var(--lk-border); background: var(--lk-surface); color: var(--lk-text); }
.alert-success { border-left: 3px solid var(--lk-cyan); }
.alert-danger { border-left: 3px solid var(--lk-danger); }
.alert-warning { border-left: 3px solid var(--lk-amber); }
.alert-info { border-left: 3px solid var(--lk-cyan); }
.table { color: var(--lk-text); --bs-table-bg: transparent; border-color: var(--lk-border); }
.table > :not(caption) > * > * { background-color: transparent; color: var(--lk-text); border-bottom-color: var(--lk-border); box-shadow: none; }
.table-bordered > :not(caption) > * > * { border-color: var(--lk-border); }
.table-striped > tbody > tr:nth-of-type(odd) > * { background-color: color-mix(in srgb, var(--lk-surface-2) 40%, transparent); color: var(--lk-text); }
.table-hover > tbody > tr:hover > * { background-color: var(--lk-cyan-soft); color: var(--lk-text); }
.table thead th { background: var(--lk-surface-2); color: var(--lk-text-mute); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; }
.pagination .page-link { background: var(--lk-surface-2); border-color: var(--lk-border); color: var(--lk-text-dim); }
.pagination .page-item.active .page-link { background: var(--lk-cyan); border-color: var(--lk-cyan); color: var(--lk-cyan-ink); }
.pagination .page-item.disabled .page-link { background: var(--lk-surface); color: var(--lk-text-mute); }
.btn-close { filter: var(--lk-close-filter, invert(1)); }
[data-theme="light"] .btn-close { filter: none; }
.modal-backdrop { background: #000; }

/* DataTables / select2 / pickers */
.dataTables_wrapper, .dt-container { color: var(--lk-text-dim); }
.dataTables_wrapper .dataTables_length select, .dataTables_wrapper .dataTables_filter input, .dt-container select, .dt-container input { background: var(--lk-surface-2); color: var(--lk-text); border: 1px solid var(--lk-border); border-radius: 6px; }
table.dataTable thead th, table.dataTable thead td { border-bottom: 1px solid var(--lk-border) !important; }
table.dataTable tbody tr { background: transparent !important; }
table.dataTable.stripe tbody tr.odd, table.dataTable.table-striped tbody tr:nth-of-type(odd) { background: color-mix(in srgb, var(--lk-surface-2) 40%, transparent) !important; }
table.dataTable tbody tr.selected > * { box-shadow: inset 0 0 0 9999px var(--lk-cyan-soft) !important; color: var(--lk-text) !important; }
.page-item .page-link, .paginate_button { color: var(--lk-text-dim) !important; }
.select2-container--default .select2-selection--single, .select2-container--default .select2-selection--multiple { background: var(--lk-surface-2); border: 1px solid var(--lk-border); }
.select2-container--default .select2-selection--single .select2-selection__rendered { color: var(--lk-text); }
.select2-container--default .select2-selection--multiple .select2-selection__choice { background: var(--lk-border); border-color: var(--lk-border); color: var(--lk-text); }
.select2-dropdown { background: var(--lk-surface); border-color: var(--lk-border); color: var(--lk-text); }
.select2-container--default .select2-results__option--highlighted[aria-selected] { background: var(--lk-cyan); color: var(--lk-cyan-ink); }
.select2-container--default .select2-search--dropdown .select2-search__field { background: var(--lk-surface-2); color: var(--lk-text); border-color: var(--lk-border); }
.bootstrap-datetimepicker-widget { background: var(--lk-surface) !important; color: var(--lk-text); }
.ck.ck-editor__main > .ck-editor__editable, .ck.ck-toolbar { background: var(--lk-surface-2); color: var(--lk-text); border-color: var(--lk-border); }
.dropzone { background: var(--lk-surface-2); border-color: var(--lk-border); }

/* ---------- panels, chips, stars ---------- */
.lk-panel { background: var(--lk-surface); border: 1px solid var(--lk-border); border-radius: var(--lk-radius); }
.lk-lbl { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--lk-text-mute); }
.lk-chip { display: inline-block; font-size: 11px; border-radius: 4px; background: var(--lk-surface-2); color: var(--lk-text-dim); padding: 1px 7px; white-space: nowrap; cursor: pointer; border: 0; line-height: 1.5; }
.lk-chip.more { color: var(--lk-text-mute); }
.lk-chip.on { background: var(--lk-cyan); color: var(--lk-cyan-ink); font-weight: 600; }
.lk-star { color: var(--lk-amber); letter-spacing: -1px; font-size: 12px; white-space: nowrap; }
.lk-star i { font-style: normal; opacity: .22; }

/* ---------- bookmarks workspace ---------- */
.lk-work { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 16px; padding: 16px; max-width: 1600px; margin: 0 auto; align-items: start; }
@media (max-width: 900px) { .lk-work { grid-template-columns: 1fr; } }
.lk-side { padding: 12px; position: sticky; top: 68px; max-height: calc(100vh - 84px); display: flex; flex-direction: column; }
.lk-side .lk-taglist { overflow-y: auto; margin-top: 6px; flex: 1; min-height: 120px; }
.lk-tagrow { display: flex; justify-content: space-between; align-items: center; padding: 3px 6px; border-radius: 4px; color: var(--lk-text-dim); cursor: pointer; font-size: 13px; user-select: none; }
.lk-tagrow:hover { background: var(--lk-surface-2); color: var(--lk-text); }
.lk-tagrow.sel { background: var(--lk-cyan-soft); color: var(--lk-cyan-text); font-weight: 600; }
.lk-tagrow small { color: var(--lk-text-mute); }
.lk-sort a { margin-right: 10px; font-size: 12px; color: var(--lk-text-mute); cursor: pointer; text-decoration: none; }
.lk-sort a.on { color: var(--lk-text); font-weight: 600; }
.lk-active { display: flex; flex-wrap: wrap; gap: 4px; margin: 6px 0; }
.lk-active .lk-chip { cursor: pointer; }
.lk-bar { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; border-bottom: 1px solid var(--lk-border); color: var(--lk-text-dim); font-size: 12px; }

.lk-tr { display: grid; grid-template-columns: 36px minmax(0, 1fr) 230px 104px 52px 148px 84px; align-items: stretch; border-bottom: 1px solid var(--lk-border); min-height: 34px; }
.lk-tr:last-child { border-bottom: 0; }
.lk-td { display: flex; align-items: center; gap: 6px; padding: 3px 10px; border-left: 1px solid var(--lk-border); min-width: 0; }
.lk-td:first-child { border-left: 0; justify-content: center; padding: 0; }
.lk-tr:not(.lk-th):nth-child(odd) { background: color-mix(in srgb, var(--lk-surface-2) 40%, transparent); }
.lk-tr:not(.lk-th):hover { background: var(--lk-cyan-soft); }
.lk-th { background: var(--lk-surface-2); min-height: 30px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--lk-text-mute); position: sticky; top: 52px; z-index: 2; }
.lk-th .lk-td { cursor: default; }
.lk-th .lk-td[data-sort] { cursor: pointer; }
.lk-th .lk-td.sorted { color: var(--lk-text); }
.lk-c-title { gap: 8px; }
.lk-c-title > a.lk-t { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; color: var(--lk-text); text-decoration: none; }
.lk-c-title > a.lk-t:hover { color: var(--lk-cyan-text); opacity: 1; }
.lk-c-title small { color: var(--lk-text-mute); flex: none; font-size: 11px; }
.lk-c-title .lk-ico { color: var(--lk-text-mute); flex: none; font-size: 12px; }
.lk-c-title .lk-ico:hover { color: var(--lk-cyan-text); }
.lk-c-tags { flex-wrap: nowrap; overflow: hidden; }
.lk-tr.open .lk-c-tags { flex-wrap: wrap; }
.lk-c-date { color: var(--lk-text-mute); justify-content: flex-end; font-variant-numeric: tabular-nums; white-space: nowrap; }
.lk-c-act { gap: 10px; font-size: 12px; opacity: 0; justify-content: flex-end; }
.lk-tr:hover .lk-c-act { opacity: 1; }
.lk-c-act a, .lk-c-act button { color: var(--lk-text-mute); background: none; border: 0; padding: 0; font: inherit; cursor: pointer; text-decoration: none; }
.lk-c-act a:hover { color: var(--lk-cyan-text); opacity: 1; }
.lk-c-act button:hover { color: var(--lk-danger); }
.lk-tr.read .lk-t { color: var(--lk-text-mute) !important; font-weight: 400; }
.lk-tr.droptarget { outline: 2px dashed var(--lk-cyan); outline-offset: -2px; }
.lk-empty { padding: 40px; text-align: center; color: var(--lk-text-mute); }
@media (max-width: 900px) {
  .lk-tr { grid-template-columns: 32px minmax(0, 1fr) 84px 72px; }
  .lk-c-tags, .lk-c-act, .lk-c-file { display: none; }
  .lk-c-title small { display: none; }
}
.lk-pager { padding: 10px; display: flex; justify-content: center; border-top: 1px solid var(--lk-border); }
.lk-pager .pagination { margin: 0; }

/* ---------- admin ---------- */
.lk-stat { font-variant-numeric: tabular-nums; text-align: right; }
.lk-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.lk-tile { background: var(--lk-surface); border: 1px solid var(--lk-border); border-radius: var(--lk-radius); padding: 14px 16px; }
.lk-tile b { display: block; font-size: 26px; letter-spacing: -.02em; }
.lk-tile span { color: var(--lk-text-mute); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }

.lk-th .lk-on { color: var(--lk-cyan-text); font-weight: 700; }

/* ---------- mind map ---------- */
#mm { display: block; transition: opacity .15s; }
.mm-word text { fill: var(--lk-text-dim); font-weight: 600; cursor: pointer; transition: fill .12s; }
.mm-word:hover text, .mm-word:focus text { fill: var(--lk-cyan-text); }
.mm-word:focus { outline: none; }
.mm-edge { stroke: var(--lk-border); stroke-linecap: round; }
.mm-node rect { fill: var(--lk-surface-2); stroke: var(--lk-border); stroke-width: 1; transition: fill .12s, stroke .12s; }
.mm-node text { fill: var(--lk-text); cursor: pointer; }
.mm-node .mm-badge { fill: var(--lk-text-mute); }
.mm-node:hover rect, .mm-node:focus rect { stroke: var(--lk-cyan); fill: var(--lk-cyan-soft); }
.mm-node { cursor: pointer; } .mm-node:focus { outline: none; }
.mm-center rect { fill: var(--lk-cyan); }
.mm-center text { fill: var(--lk-cyan-ink); font-weight: 700; }
.mm-center .mm-sub { font-weight: 500; opacity: .75; }

/* ---------- top bar search ---------- */
.lk-search { position: relative; }
.lk-search input { width: 220px; background: var(--lk-surface-2); border: 1px solid var(--lk-border); border-radius: 6px; color: var(--lk-text); padding: 5px 10px; font-size: 13px; transition: width .15s; }
.lk-search input:focus { outline: none; border-color: var(--lk-cyan); width: 320px; }
.lk-sugg { position: absolute; right: 0; top: calc(100% + 6px); width: 380px; max-width: 90vw; background: var(--lk-surface); border: 1px solid var(--lk-border); border-radius: var(--lk-radius); box-shadow: 0 8px 24px rgba(0,0,0,.25); z-index: 1050; display: none; padding: 6px; }
.lk-sugg.open { display: block; }
.lk-sugg .lk-lbl { padding: 4px 8px 2px; display: block; }
.lk-sugg a { display: flex; justify-content: space-between; gap: 8px; padding: 5px 8px; border-radius: 4px; color: var(--lk-text-dim); text-decoration: none; font-size: 13px; }
.lk-sugg a:hover, .lk-sugg a.act { background: var(--lk-surface-2); color: var(--lk-text); opacity: 1; }
.lk-sugg a span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lk-sugg small { color: var(--lk-text-mute); }
@media (max-width: 700px) { .lk-search input, .lk-search input:focus { width: 140px; } }

.lk-c-act .lk-svg { display: block; }
.lk-c-act form { display: inline-flex; margin: 0; }