/* ============================================================
   Base / typography
   ============================================================ */

/* Brand UI typeface — Hanken Grotesk (self-hosted, variable 400–700). */
@font-face {
    font-family: 'Hanken Grotesk';
    font-style: normal;
    font-weight: 400 700;
    font-display: swap;
    src: url(/fonts-lms/ui/hanken-grotesk.woff2) format('woff2');
}

:root {
    --lms-font: 'Hanken Grotesk', system-ui, -apple-system, BlinkMacSystemFont,
                'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: var(--lms-font);
    font-size: 13px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Form controls don't inherit the font by default. */
input, button, select, textarea { font-family: var(--lms-font); }

#main {
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

/* ============================================================
   Custom two-panel layout (LmsLayout)
   ============================================================ */

.lms-layout {
    display: flex;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--lms-bg);
}

.lms-panel-left {
    flex-shrink: 0;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    background: var(--lms-bg-panel);
}

.lms-resize-handle {
    width: 4px;
    flex-shrink: 0;
    cursor: col-resize;
    /* Blend with the sidebar so there's no dead transparent strip; the single
       divider line lives on the handle's right edge (the true sidebar/main
       boundary). Highlights on hover so the drag affordance is still findable. */
    background: var(--lms-bg-panel);
    border-right: 1px solid var(--lms-border-light);
    transition: background-color 0.15s;
}

.lms-resize-handle:hover,
.lms-resize-handle:active {
    background: var(--lms-border);
}

.lms-panel-main {
    flex: 1;
    min-width: 0;
    height: 100%;
    overflow: hidden;
    background: var(--lms-bg);
}

/* Hamburger toggle for the mobile sidebar drawer — hidden by default;
   unhidden by css-lms/mobile.css below the responsive breakpoint. */
.lms-mobile-toggle {
    display: none;
}

/* Back button for the channels/DM mobile master-detail view — hidden by
   default; unhidden by css-lms/mobile.css below the responsive breakpoint. */
.lms-mobile-back {
    display: none;
}

/* ============================================================
   Custom sidebar (LmsSidebar)
   ============================================================ */

.lms-sidebar {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--lms-bg-panel);
    color: var(--lms-text);
    overflow: hidden;
}

/* --- workspace header --- */
.lms-ws {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--lms-border-light);
}
.lms-ws-mark {
    width: 105px; height: 24px; flex-shrink: 0;
    /* Full Vantage logo (icon + wordmark) — dark on light, white on dark. */
    background: url(/img-lms/vantage-full.png) left center / contain no-repeat;
}
html.dark-mode .lms-ws-mark {
    background-image: url(/img-lms/vantage-full-white.png);
}
/* The wordmark is part of the logo image now, so the text label is hidden. */
.lms-ws-name { display: none; }

/* --- scrollable nav body --- */
.lms-nav {
    flex: 1; min-height: 0; overflow-y: auto;
    padding: 8px 8px 14px;
}
.lms-nav::-webkit-scrollbar { width: 9px; }
.lms-nav::-webkit-scrollbar-thumb {
    background: var(--lms-border); border-radius: 6px;
    border: 2px solid var(--lms-bg-panel);
}

/* optional category separator label */
.lms-grouplabel {
    font-size: 11px; font-weight: 600; letter-spacing: 0.01em;
    color: var(--lms-text-faint);
    padding: 18px 8px 6px; user-select: none;
}
.lms-nav > .lms-grouplabel:first-child { padding-top: 6px; }

/* --- a row: leaf or section header --- */
.lms-node {
    display: flex; align-items: center; gap: 10px;
    height: 33px; padding: 0 8px; margin: 1px 0;
    border-radius: 6px; cursor: pointer;
    color: var(--lms-text-muted);
    position: relative;
    transition: background-color 0.1s ease, color 0.1s ease;
    user-select: none;
}
.lms-node:hover { background-color: rgba(0, 0, 0, 0.05); color: var(--lms-text); }
html.dark-mode .lms-node:hover { background-color: rgba(255, 255, 255, 0.06); }

.lms-section-header { user-select: none; }

.lms-ico {
    width: 17px; height: 17px; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 14px; color: var(--lms-text-faint);
}
.lms-node:hover .lms-ico { color: var(--lms-text-muted); }

.lms-node-label {
    flex: 1; min-width: 0;
    font-size: 13px; font-weight: 450; text-transform: none; letter-spacing: 0;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.lms-chev {
    flex-shrink: 0; font-size: 13px; color: var(--lms-text-faint);
    transition: transform 0.15s ease;
}
.lms-section.lms-open > .lms-section-header .lms-chev { transform: rotate(90deg); }

/* section body collapse */
.lms-section-body { display: none; }
.lms-section.lms-open > .lms-section-body { display: block; }

/* nested leaf: indented text, no icon — hierarchy via indent + active rail */
.lms-node.lms-sub { height: 31px; padding-left: 35px; }
.lms-node.lms-sub .lms-node-label { font-size: 12.5px; }

/* active / selected */
.lms-node.lms-selected {
    background-color: var(--lms-active-tint);
    color: var(--lms-text);
    font-weight: 600;
}
.lms-node.lms-selected .lms-ico { color: var(--lms-text); }

/* count badges */
.lms-node-count {
    flex-shrink: 0;
    font-size: 10.5px; font-weight: 600; line-height: 17px;
    min-width: 19px; text-align: center; padding: 0 6px;
    border-radius: 9px;
    background-color: #e6e8ec; color: var(--lms-text-muted);
}
html.dark-mode .lms-node-count { background-color: #2a2f37; color: var(--lms-text-muted); }

[data-badge="notifications_view"] {
    background-color: #e74c3c;
    color: #fff;
}
html.dark-mode [data-badge="notifications_view"] {
    background-color: #c0392b;
    color: #fff;
}

/* --- account footer: a single trigger that opens a menu (de-cramped) --- */
.lms-acct {
    flex-shrink: 0;
    position: relative;
    padding: 8px 10px;
    border-top: 1px solid var(--lms-border-light);
}
.lms-acct-trigger {
    display: flex; align-items: center; gap: 10px; width: 100%;
    background: none; border: none; cursor: pointer; text-align: left;
    padding: 6px 8px; border-radius: 8px; color: var(--lms-text);
    transition: background-color 0.1s ease;
}
.lms-acct-trigger:hover { background-color: var(--lms-active-tint); }
.lms-avatar {
    width: 30px; height: 30px; flex-shrink: 0; border-radius: 50%;
    background: var(--lms-bg-alt); color: var(--lms-text);
    border: 1px solid var(--lms-border);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 600;
}
.lms-acct-meta { min-width: 0; flex: 1; line-height: 1.25; }
.lms-acct-name { font-size: 13px; font-weight: 550; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lms-acct-sub { font-size: 11.5px; color: var(--lms-text-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lms-acct-chev { flex-shrink: 0; color: var(--lms-text-faint); }

.lms-acct-menu {
    position: absolute; bottom: calc(100% - 2px); left: 10px; right: 10px;
    background: var(--lms-bg); border: 1px solid var(--lms-border);
    border-radius: 9px; box-shadow: 0 8px 24px rgba(16, 24, 40, 0.14);
    padding: 5px; z-index: 60;
}
html.dark-mode .lms-acct-menu { box-shadow: 0 8px 28px rgba(0, 0, 0, 0.55); }
.lms-acct-menu[hidden] { display: none; }
.lms-acct-item {
    display: flex; align-items: center; gap: 10px; width: 100%;
    background: none; border: none; cursor: pointer; text-align: left;
    padding: 7px 10px; border-radius: 6px; font: inherit; font-size: 13px;
    color: var(--lms-text); transition: background-color 0.1s ease;
}
.lms-acct-item:hover { background-color: var(--lms-active-tint); }
.lms-acct-item svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--lms-text-faint); }

.top-level {
    font-weight: 600;
    letter-spacing: 0.01em;
    font-size: 11px;
}

.leaf-level {
    font-size: 12.5px;
}

/* ============================================================
   Grid — headers
   ============================================================ */

/* Column headers: cleaner, more distinct from data rows */
.w2ui-grid-columns .w2ui-head,
.w2ui-head {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0;
    color: var(--lms-text-label, #555);
    padding: 0 8px;
}

/* ============================================================
   Grid — rows & cells
   ============================================================ */

.w2ui-grid-data {
    padding: 0 8px;
    font-size: 13px;
}

/* Slightly taller rows — default w2ui rows are very compressed */
.w2ui-grid td, .w2ui-grid-data {
    height: 30px;
    line-height: 30px;
}

/* Money/number columns: tabular figures so values align */
.w2ui-grid .w2ui-grid-data[col] {
    font-variant-numeric: tabular-nums;
}

/* Subtle hover on non-selected rows */
.w2ui-grid-records tr:not(.w2ui-selected):hover td {
    background-color: rgba(0, 0, 0, 0.03) !important;
}
html.dark-mode .w2ui-grid-records tr:not(.w2ui-selected):hover td {
    background-color: rgba(255, 255, 255, 0.04) !important;
}

/* Per-row "⋮" hamburger action button — the row-level equivalent of the
   grid's right-click context menu, same item list either way. Always
   visible (not hover-revealed) so it reads as a real menu affordance
   rather than a blank column. */
.lms-row-act-btn {
    opacity: 1;
    cursor: pointer;
    padding: 0 6px;
}

.lms-row-act-menu {
    position: fixed;
    background: var(--lms-bg-panel);
    color: var(--lms-text);
    border: 1px solid var(--lms-border);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(16, 24, 40, 0.14);
    z-index: 10000;
    min-width: 210px;
    max-width: 90vw;
    padding: 5px;
}
html.dark-mode .lms-row-act-menu { box-shadow: 0 12px 34px rgba(0, 0, 0, 0.6); }

.lms-row-act-menu-item {
    display: flex;
    align-items: center;
    padding: 7px 11px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
    color: var(--lms-text);
    transition: background-color 0.1s ease;
}

/* Muted, evenly-spaced leading icons. */
.lms-row-act-menu-item i {
    color: var(--lms-text-faint);
    width: 16px;
    margin-right: 8px;
    text-align: center;
    font-size: 13px;
}

.lms-row-act-menu-item:hover {
    background: var(--lms-active-tint);
}
.lms-row-act-menu-item:hover i {
    color: var(--lms-text-muted);
}

/* Column show/hide menu (the "Columns" toolbar button). */
.lms-col-menu {
    position: fixed;
    background: var(--lms-bg-panel);
    color: var(--lms-text);
    border: 1px solid var(--lms-border);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(16, 24, 40, 0.14);
    z-index: 10000;
    min-width: 190px;
    max-height: 60vh;
    overflow-y: auto;
    padding: 5px;
}
html.dark-mode .lms-col-menu { box-shadow: 0 12px 34px rgba(0, 0, 0, 0.6); }

.lms-col-menu-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7px 11px;
    border-radius: 6px;
    font-size: 13px;
    color: var(--lms-text);
    cursor: pointer;
    white-space: nowrap;
    user-select: none;
}
.lms-col-menu-item:hover { background: var(--lms-active-tint); }
.lms-col-menu-item input {
    margin: 0;
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--lms-accent);
}

/* ============================================================
   Grid — footer (record count)
   ============================================================ */

.w2ui-grid-footer {
    font-size: 11px;
    color: var(--lms-text-muted, #888);
    padding: 0 12px;
    border-top: 1px solid var(--lms-border-light, #e0e0e0);
}

/* ============================================================
   Toolbar
   ============================================================ */

/* Slightly taller, better padding */
.w2ui-toolbar {
    padding: 3px 4px;
    border-bottom: 1px solid var(--lms-border-light, #e0e0e0);
}

/* Rounder, more button-like toolbar buttons */
.w2ui-toolbar .w2ui-tb-button {
    border-radius: 4px;
    padding: 3px 8px;
    font-size: 12.5px;
    transition: background-color 0.1s ease;
}

.w2ui-toolbar .w2ui-tb-button:hover:not(.disabled) {
    background-color: rgba(0, 0, 0, 0.06);
}

html.dark-mode .w2ui-toolbar .w2ui-tb-button:hover:not(.disabled) {
    background-color: rgba(255, 255, 255, 0.08) !important;
}

/* Toolbar separator — slightly more visible */
.w2ui-toolbar .w2ui-tb-line {
    border-left: 1px solid var(--lms-border, #ccc);
    margin: 4px 3px;
    height: 20px;
}

/* Disabled toolbar buttons — clearly muted */
.w2ui-toolbar .w2ui-tb-button.disabled {
    opacity: 0.45;
    cursor: default;
}

/* ============================================================
   Sidebar
   ============================================================ */

/* ============================================================
   Popup / modal
   ============================================================ */

.w2ui-popup .w2ui-popup-title {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.01em;
    padding: 12px 16px;
    border-bottom: 1px solid var(--lms-border-light, #e0e0e0);
}

.w2ui-popup-body {
    font-size: 13px;
    line-height: 1.55;
}

/* Popup action buttons */
.w2ui-popup-buttons button,
.w2ui-popup .w2ui-popup-btn {
    border-radius: 4px;
    font-size: 12.5px;
    padding: 5px 14px;
    font-weight: 500;
}

/* ============================================================
   Form inputs (used in custom popup markup)
   ============================================================ */

input, select, textarea {
    font-family: inherit;
    font-size: 13px;
    border-radius: 4px;
    border: 1px solid var(--lms-border, #ccc);
    padding: 5px 8px;
    background-color: var(--lms-bg, #fff);
    color: var(--lms-text, #000);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: #4a90d9;
    box-shadow: 0 0 0 2px rgba(74, 144, 217, 0.2);
}

html.dark-mode input:focus,
html.dark-mode select:focus,
html.dark-mode textarea:focus {
    border-color: #5a9fd4;
    box-shadow: 0 0 0 2px rgba(90, 159, 212, 0.25);
}

/* ============================================================
   Scrollbars — light mode (WebKit/Blink)
   ============================================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background-color: var(--lms-bg-alt, #f5f5f5);
}

::-webkit-scrollbar-thumb {
    background-color: #c0c0c0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: #999;
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #c0c0c0 var(--lms-bg-alt, #f5f5f5);
}

/* ============================================================
   Misc helpers
   ============================================================ */

.blur {
    filter: blur(2px);
}

body.test-mode {
    padding-top: 20px;
}

.test-mode-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: #c0392b;
    color: #fff;
    text-align: center;
    font-size: 12px;
    font-weight: bold;
    padding: 3px 0;
    letter-spacing: 0.05em;
}

/* ============================================================
   Dashboard & Settings panels — consistent typography
   ============================================================ */

#main a {
    color: #2b6cb0;
    text-decoration: none;
}

#main a:hover {
    text-decoration: underline;
}

html.dark-mode #main a {
    color: var(--lms-text);
}

/* ============================================================
   Tabulator grid integration (Phase 2)
   Override Tabulator's default theme to match the LMS design tokens.
   ============================================================ */

/* Container — full-bleed; no outer border (the toolbar's bottom border and the
   footer's top border provide the horizontal dividers). */
.tabulator {
    font-family: inherit;
    font-size: 13px;
    background-color: var(--lms-bg, #fff);
    border: none;
}

/* Sort arrows only on hover or the actively-sorted column (was always-on). */
.tabulator .tabulator-col .tabulator-col-sorter { opacity: 0; transition: opacity 0.12s ease; }
.tabulator .tabulator-col:hover .tabulator-col-sorter,
.tabulator .tabulator-col[aria-sort="asc"] .tabulator-col-sorter,
.tabulator .tabulator-col[aria-sort="desc"] .tabulator-col-sorter,
.tabulator .tabulator-col[aria-sort="ascending"] .tabulator-col-sorter,
.tabulator .tabulator-col[aria-sort="descending"] .tabulator-col-sorter { opacity: 1; }

/* Column headers */
.tabulator .tabulator-header {
    background-color: var(--lms-bg-alt, #f5f5f5);
    border-color: var(--lms-border, #ccc);
}

.tabulator .tabulator-header .tabulator-col {
    background-color: var(--lms-bg-alt, #f5f5f5);
    border-color: var(--lms-border, #ccc);
}

.tabulator .tabulator-header .tabulator-col .tabulator-col-title {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0;
    color: var(--lms-text-label, #555);
    padding: 0 8px;
    line-height: 38px;
}

/* Rows */
.tabulator .tabulator-row {
    min-height: 36px;
    color: var(--lms-text, #000);
    border-bottom: 1px solid var(--lms-border-light, #e0e0e0);
}

/* no zebra striping — clean rows on the container background (matches the redesign) */
.tabulator .tabulator-row.tabulator-row-even {
    background-color: transparent;
}

.tabulator .tabulator-row:not(.tabulator-selected):hover {
    background-color: rgba(0, 0, 0, 0.035);
}
html.dark-mode .tabulator .tabulator-row:not(.tabulator-selected):hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Selected row — accent tint, tokened for light + dark */
.tabulator .tabulator-row.tabulator-selected,
.tabulator .tabulator-row.tabulator-selected:hover {
    background-color: var(--lms-active-tint) !important;
    color: var(--lms-text) !important;
}

/* Frozen ⋮ actions column: give it an opaque background so horizontally
   scrolled row content doesn't bleed through the sticky column. Hover/selected
   tints are composited over the opaque base (via background-image) so the column
   still follows the row state without letting anything show through. */
.tabulator .tabulator-cell.lms-row-act-col {
    background-color: var(--lms-bg) !important;
}
.tabulator .tabulator-row:hover .tabulator-cell.lms-row-act-col {
    background-image: linear-gradient(rgba(0, 0, 0, 0.035), rgba(0, 0, 0, 0.035));
}
html.dark-mode .tabulator .tabulator-row:hover .tabulator-cell.lms-row-act-col {
    background-image: linear-gradient(rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.05));
}
.tabulator .tabulator-row.tabulator-selected .tabulator-cell.lms-row-act-col {
    background-image: linear-gradient(var(--lms-active-tint), var(--lms-active-tint));
}

/* Channels list — selected channel */
.ch-item.active {
    background-color: var(--lms-active-tint);
    color: var(--lms-text);
    font-weight: 600;
}

/* DM list — selected conversation */
.dm-list-item.active {
    background-color: var(--lms-active-tint);
}

/* DM message bubbles */
.dm-bubble-mine {
    background-color: var(--lms-accent);
    color: var(--lms-accent-text);
}
.dm-bubble-other {
    background-color: var(--lms-bg-alt);
    color: var(--lms-text, #222);
}

/* Cells */
.tabulator .tabulator-cell {
    height: 36px;
    line-height: 36px;
    padding: 0 8px;
    border-color: var(--lms-border-light, #e0e0e0);
    color: var(--lms-text, #000);
    font-variant-numeric: tabular-nums;
}

/* Hide Tabulator's own footer — we provide our own .lms-tabgrid-footer */
.tabulator .tabulator-footer {
    display: none;
}

/* Scrollbar */
.tabulator .tabulator-tableholder::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.tabulator .tabulator-tableholder::-webkit-scrollbar-track {
    background-color: var(--lms-bg-alt, #f5f5f5);
}

.tabulator .tabulator-tableholder::-webkit-scrollbar-thumb {
    background-color: #c0c0c0;
    border-radius: 4px;
}

/* ============================================================
   TabulatorGrid toolbar (hand-built button row)
   Reuses .w2ui-toolbar base styles from above.
   ============================================================ */

/* toolbar row: a touch more breathing room */
/* Full-width page toolbar pinned at the top of the content area. */
.lms-tabgrid-toolbar {
    padding: 10px 16px;
    border-bottom: 1px solid var(--lms-border-light);
    background: var(--lms-bg);
}

/* modern bordered toolbar buttons (match the redesign) */
.lms-tabgrid-toolbar button.w2ui-tb-button {
    background: var(--lms-bg);
    border: 1px solid var(--lms-border);
    cursor: pointer;
    color: var(--lms-text, #000);
    border-radius: 6px;
    height: 30px;
    padding: 0 11px;
    margin: 0 5px 0 0;
    vertical-align: middle;
    font-size: 12.5px;
    font-weight: 500;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background-color 0.1s ease, border-color 0.1s ease;
}

.lms-tabgrid-toolbar button.w2ui-tb-button:hover:not(.disabled):not([disabled]) {
    background-color: var(--lms-bg-alt);
}

.lms-tabgrid-toolbar button.w2ui-tb-button.disabled,
.lms-tabgrid-toolbar button.w2ui-tb-button[disabled] {
    opacity: 0.45;
    cursor: default;
}

/* quick-filter search box */
.lms-tabgrid-search {
    height: 30px;
    vertical-align: middle;
    border: 1px solid var(--lms-border);
    border-radius: 6px;
    padding: 0 8px;
    font-size: 12.5px;
    font-family: inherit;
    background: var(--lms-bg);
    color: var(--lms-text);
    outline: none;
    transition: border-color 0.1s ease, box-shadow 0.1s ease;
}
.lms-tabgrid-search:focus {
    border-color: var(--lms-accent);
    box-shadow: 0 0 0 3px var(--lms-active-tint);
}

.lms-tabgrid-toolbar button.w2ui-tb-button.lms-tb-active {
    background-color: rgba(192, 57, 43, 0.10);
    color: #c0392b;
    outline: 1px solid rgba(192, 57, 43, 0.30);
}
.lms-tabgrid-toolbar button.w2ui-tb-button.lms-tb-active:hover {
    background-color: rgba(192, 57, 43, 0.18);
}
html.dark-mode .lms-tabgrid-toolbar button.w2ui-tb-button.lms-tb-active {
    background-color: rgba(231, 76, 60, 0.16);
    color: #e74c3c;
    outline: 1px solid rgba(231, 76, 60, 0.35);
}

.lms-tb-html {
    display: inline-flex;
    align-items: center;
    padding: 0;
}

/* ============================================================
   lmsPopup — vanilla modal overlay (Phase 4, replaces w2popup)
   ============================================================ */

.lms-popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lms-popup-box {
    background: var(--lms-bg);
    color: var(--lms-text);
    border: 1px solid var(--lms-border);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    max-width: 96vw;
    max-height: 92vh;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.lms-popup-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 16px;
    border-bottom: 1px solid var(--lms-border-light);
    font-size: 14px;
    font-weight: 600;
    flex-shrink: 0;
    background: var(--lms-bg-alt);
    border-radius: 6px 6px 0 0;
    color: var(--lms-text);
}

.lms-popup-close-x {
    background: none;
    border: none;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    color: var(--lms-text-muted);
    padding: 0 2px;
    flex-shrink: 0;
}

.lms-popup-close-x:hover {
    color: var(--lms-text);
}

.lms-popup-body {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    background: var(--lms-bg);
    color: var(--lms-text);
}

.lms-popup-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 10px 16px;
    border-top: 1px solid var(--lms-border-light);
    background: var(--lms-bg-alt);
    border-radius: 0 0 6px 6px;
    flex-shrink: 0;
}

.lms-popup-btn {
    padding: 5px 14px;
    border-radius: 4px;
    font-size: 12.5px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--lms-border);
    background: var(--lms-bg);
    color: var(--lms-text);
    font-family: inherit;
    transition: background-color 0.1s ease;
}

.lms-popup-btn:hover {
    background-color: rgba(0, 0, 0, 0.06);
}

.lms-popup-btn-primary {
    background: var(--lms-accent);
    color: var(--lms-accent-text);
    border-color: var(--lms-accent);
}

.lms-popup-btn-primary:hover {
    background: var(--lms-accent);
    filter: brightness(1.1);
}

.lms-popup-btn-danger {
    background: var(--lms-danger-btn);
    color: var(--lms-danger-btn-text);
    border-color: var(--lms-danger-btn);
}

.lms-popup-btn-danger:hover {
    background: var(--lms-danger-btn);
    filter: brightness(1.1);
}

/* Themed alert()/confirm()/prompt() replacements — see js-lms/ui_dialogs.js */
.lms-dialog-msg {
    padding: 16px;
    font-family: Arial, sans-serif;
    font-size: 13px;
    line-height: 1.5;
    color: var(--lms-text);
    background: var(--lms-bg);
    white-space: pre-line;
}

.lms-dialog-input {
    display: block;
    width: 100%;
    box-sizing: border-box;
    margin: 0 16px 16px;
    padding: 6px 8px;
    font-size: 13px;
    font-family: inherit;
    border: 1px solid var(--lms-border);
    border-radius: 3px;
    background: var(--lms-bg);
    color: var(--lms-text);
}

/* ============================================================
   Book Loan form — two-column field layout
   ============================================================ */

.lms-bd-col2 {
    display: inline-block;
    width: 48%;
    vertical-align: top;
    margin-right: 2%;
}

.lms-bd-col2last {
    display: inline-block;
    width: 48%;
    vertical-align: top;
}

/* ============================================================
   Tabulator polish (Phase 5)
   ============================================================ */

/* Footer height — matches the record-count strip under w2ui grids */
.lms-tabgrid-footer {
    height: 24px;
    line-height: 24px;
    flex-shrink: 0;
}

/* Sort arrow — use design tokens instead of hardcoded grey */
.tabulator .tabulator-col-sorter .tabulator-arrow {
    border-bottom-color: var(--lms-text-muted, #888) !important;
    border-top-color:    var(--lms-text-muted, #888) !important;
}

/* Context-menu popup (rowContextMenu) */
.tabulator-menu {
    background:   var(--lms-bg-panel, #fff);
    border:       1px solid var(--lms-border, #ccc);
    border-radius: 10px;
    box-shadow:   0 10px 30px rgba(16, 24, 40, 0.14);
    font-size:    13px;
    font-family:  inherit;
    padding:      5px;
    min-width:    210px;
}

.tabulator-menu .tabulator-menu-item {
    color:        var(--lms-text, #000);
    padding:      7px 11px;
    border-radius: 6px;
    transition:   background-color 0.1s ease;
}

/* Muted, evenly-spaced icons within menu items. */
.tabulator-menu .tabulator-menu-item i {
    color: var(--lms-text-faint);
    width: 16px;
    margin-right: 8px;
    text-align: center;
}

.tabulator-menu .tabulator-menu-item:not(.tabulator-menu-item-disabled):hover {
    background: var(--lms-active-tint) !important;
    color:      var(--lms-text, #000) !important;
}
.tabulator-menu .tabulator-menu-item:not(.tabulator-menu-item-disabled):hover i {
    color: var(--lms-text-muted);
}

.tabulator-menu .tabulator-menu-separator {
    border-color: var(--lms-border-light, #e0e0e0) !important;
    margin: 5px 6px;
}

/* List-editor dropdown (editable list columns) */
.tabulator-edit-list {
    background:    var(--lms-bg, #fff);
    border:        1px solid var(--lms-border, #ccc);
    border-radius: 4px;
    box-shadow:    0 4px 12px rgba(0, 0, 0, 0.12);
    font-size:     13px;
    font-family:   inherit;
}

.tabulator-edit-list .tabulator-edit-list-item {
    color:   var(--lms-text, #000);
    padding: 5px 8px;
}

.tabulator-edit-list .tabulator-edit-list-item.active,
.tabulator-edit-list .tabulator-edit-list-item:hover {
    background: var(--lms-active-tint) !important;
    color:      var(--lms-text) !important;
    cursor:     pointer;
}

.tabulator-edit-list .tabulator-edit-list-placeholder {
    color: var(--lms-text-muted, #888);
    padding: 5px 8px;
}

/* Notification deep-link highlight — fades out over 2.5s */
@keyframes msg-flash {
    0%   { background: rgba(255, 214, 0, 0.45); }
    100% { background: transparent; }
}
.msg-highlight {
    animation: msg-flash 2.5s ease-out forwards;
    border-radius: 4px;
}

/* Larger tree expand/collapse toggle in the Documents grid */
.tabulator-row .tabulator-cell .tabulator-data-tree-control {
    width:  16px;
    height: 16px;
}
.tabulator-row .tabulator-cell .tabulator-data-tree-control .tabulator-data-tree-control-expand,
.tabulator-row .tabulator-cell .tabulator-data-tree-control .tabulator-data-tree-control-collapse {
    height: 10px;
}
.tabulator-row .tabulator-cell .tabulator-data-tree-control .tabulator-data-tree-control-expand:after,
.tabulator-row .tabulator-cell .tabulator-data-tree-control .tabulator-data-tree-control-collapse:after {
    width:  10px;
    left:   -4px;
    top:    4px;
}

/* ============================================================
   Login page — not used in the main app but lives in same CSS
   (lms.css is not loaded by login.html; this section is here
    for reference only and has no effect on login.html)
   ============================================================ */

/* ============================================================
   Dashboard chart cards (charts themselves are rendered by ApexCharts,
   bundled locally under /js-lms/vendor/apexcharts.min.js)
   ============================================================ */
.dash-chart-card {
    background: var(--lms-bg-panel);
    border: 1px solid var(--lms-border);
    border-radius: 10px;
    padding: 18px 20px;
    min-width: 0;
}
.dash-chart-title {
    font-size: 13px; font-weight: 600; color: var(--lms-text);
    margin-bottom: 16px;
}

/* Segmented "tick" progress meter / bar — thin vertical lines (2px line, 3px
   gap) drawn with a repeating-gradient so they stay thin and evenly spaced at
   any width. The warm fill overlays the left `width%`; both share the same 5px
   rhythm (from each element's left edge) so the ticks line up across the join. */
.dash-meter {
    position: relative; height: 28px; overflow: hidden;
    background: repeating-linear-gradient( to right,
        var(--lms-border) 0 2px, transparent 2px 5px );
}
.dash-meter-fill {
    position: absolute; top: 0; bottom: 0; left: 0;
    background: repeating-linear-gradient( to right,
        var(--lms-accent-warm) 0 2px, transparent 2px 5px );
}

/* Tick-bar chart: one row per category — label | tick bar | value. */
.dash-tickrows { display: flex; flex-direction: column; gap: 14px; }
.dash-tickrow {
    display: grid;
    grid-template-columns: 110px 1fr 64px;
    align-items: center; gap: 14px;
}
.dash-tickrow-label {
    font-size: 12.5px; color: var(--lms-text-muted);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.dash-tickrow-value {
    font-size: 12.5px; font-weight: 600; color: var(--lms-text);
    text-align: right; font-variant-numeric: tabular-nums;
}
.dash-tickrow .dash-meter { height: 20px; gap: 2.5px; }