/* ============================================================================
   ERP — Base stylesheet
   ----------------------------------------------------------------------------
   Structural styles shared across all themes. Colors, typography, density and
   visual personality live in /assets/css/themes/*.css as CSS custom properties
   (variables) consumed here. Every rule here is theme-agnostic and works in
   both light and dark modes.
   ============================================================================ */

/* ---------- 1. Modern reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html {
  font-size: var(--fs, 16px);
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
body {
  margin: 0;
  background: var(--bg);
  background-image: var(--bg-image, none);
  background-attachment: var(--bg-attachment, fixed);
  color: var(--ink);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.003em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.2s ease, color 0.2s ease;
}
img, picture, svg, video { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
:root { color-scheme: light; }
[data-theme="midnight"] { color-scheme: dark; }

/* ---------- 2. Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 0 0 0.6em;
  color: var(--ink);
}
h1 { font-size: clamp(1.4rem, 2.5vw, 1.65rem); font-weight: 700; }
h2 { font-size: clamp(1.15rem, 2vw, 1.3rem); }
h3 { font-size: 1.05rem; }
h4 { font-size: 0.95rem; }
p { margin: 0 0 0.8rem; }
a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
strong, b { font-weight: 600; }
small { font-size: 0.82rem; }
sub, sup { font-size: 0.72em; line-height: 0; position: relative; vertical-align: baseline; }
sup { top: -0.5em; }
sub { bottom: -0.25em; }
abbr[title] { text-decoration: underline dotted; cursor: help; }
hr { border: 0; border-block-start: 1px solid var(--line); margin: 1.2rem 0; }

/* utility typography */
.muted { color: var(--ink-2); }
.ltr { direction: ltr; unicode-bidi: plaintext; }
.rtl { direction: rtl; unicode-bidi: plaintext; }
.num { text-align: end; font-variant-numeric: tabular-nums; direction: ltr; unicode-bidi: plaintext; white-space: nowrap; font-feature-settings: "tnum"; }
input.num { text-align: end; }
.neg { color: var(--danger); }
.pos { color: var(--ok); }
.mt { margin-block-start: 1.2rem; }
.mb { margin-block-end: 1.2rem; }
.small { font-size: 0.82rem; }
.big-num { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.02em; }
ul.plain { list-style: none; margin: 0; padding: 0; }
ul.plain li { padding: 0.2rem 0; }
.nowrap { white-space: nowrap; }

/* ---------- 3. App shell (grid layout) ---------- */
.shell {
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  grid-template-columns: var(--side-w, 16rem) minmax(0, 1fr);
  grid-template-rows: var(--head-h, 3.5rem) 1fr;
  grid-template-areas: "head head" "side main";
  transition: grid-template-columns 0.25s ease;
}
[data-layout="top"] .shell {
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: var(--head-h, 3.5rem) auto 1fr;
  grid-template-areas: "head" "side" "main";
}

/* ---------- 4. Header ---------- */
.head {
  grid-area: head;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-inline: 1rem;
  background: var(--head-bg);
  color: var(--head-ink);
  border-block-end: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 30;
  box-shadow: var(--shadow-head, none);
  backdrop-filter: var(--head-blur, none);
  -webkit-backdrop-filter: var(--head-blur, none);
  transition: background 0.2s, box-shadow 0.2s;
}
.head-spacer { flex: 1 1 auto; }
.head .btn-ghost { color: var(--head-ink); border-color: transparent; }
.head .btn-ghost:hover { background: var(--head-hover, rgba(127,127,127,0.15)); text-decoration: none; }
.head .btn-ghost[aria-expanded="true"] { background: var(--head-hover, rgba(127,127,127,0.15)); }

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--head-ink);
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 40vw;
  transition: opacity 0.2s;
}
.brand:hover { text-decoration: none; opacity: 0.85; }
.brand-logo { height: 2rem; width: auto; max-width: 8rem; object-fit: contain; border-radius: 4px; background: rgba(255,255,255,0.9); padding: 2px; }

.nav-toggle {
  display: none;
  min-width: 2.4rem;
  min-height: 2.4rem;
  background: transparent;
  border: 0;
  color: var(--head-ink);
  font-size: 1.4rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.nav-toggle:hover { background: var(--head-hover, rgba(127,127,127,0.15)); }

/* ---------- 5. Sidebar ---------- */
.side {
  grid-area: side;
  background: var(--side-bg);
  color: var(--side-ink);
  padding: 0.9rem 0.6rem;
  overflow-y: auto;
  overflow-x: hidden;
  border-inline-end: 1px solid var(--line);
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
  transition: background 0.2s, transform 0.25s ease;
}
.side::-webkit-scrollbar { width: 6px; height: 6px; }
.side::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 3px; }
.side::-webkit-scrollbar-track { background: transparent; }
.side a { color: var(--side-ink); }

.nav-link {
  display: block;
  padding: var(--nav-pad, 0.55rem 0.75rem);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--side-ink);
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-link:hover { background: var(--side-hover); text-decoration: none; color: var(--side-active-ink); }
.nav-link.is-current {
  background: var(--side-active-bg);
  color: var(--side-active-ink);
  font-weight: 600;
}
.nav-link[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }
.nav-link[aria-disabled="true"]:hover { background: transparent; }

.grp { margin-block-start: 0.9rem; }
.grp-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--side-mute);
  padding: 0.4rem 0.75rem 0.3rem;
}

/* ---------- 6. Main content area ---------- */
.main {
  grid-area: main;
  padding: var(--main-pad, 1.4rem);
  min-width: 0;
  max-width: var(--main-max, none);
  overflow-x: hidden;
}
.page-title {
  margin-block-end: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  margin-block-end: 1.2rem;
  flex-wrap: wrap;
}
.page-header .page-title { margin: 0; }
.page-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ---------- 7. Top layout variant ---------- */
[data-layout="top"] .side {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0 0.25rem;
  padding: 0 1rem;
  border-inline-end: 0;
  border-block-end: 1px solid var(--line);
  overflow: visible;
}
[data-layout="top"] .grp { margin: 0; position: relative; }
[data-layout="top"] .grp-title {
  padding: 0.7rem 0.9rem;
  cursor: default;
  font-size: 0.85rem;
}
[data-layout="top"] .grp-items {
  display: none;
  position: absolute;
  inset-inline-start: 0;
  top: 100%;
  min-width: 16rem;
  background: var(--side-bg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-pop);
  z-index: 40;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
}
[data-layout="top"] .grp:hover .grp-items,
[data-layout="top"] .grp:focus-within .grp-items { display: block; }
[data-layout="top"] .side > .nav-link { padding: 0.7rem 0.9rem; border-radius: 0; }

/* ---------- 8. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  cursor: pointer;
  min-height: var(--ctl-h, 2.4rem);
  padding: 0 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.15s ease;
  user-select: none;
}
.btn:hover { text-decoration: none; border-color: var(--accent); background: var(--btn-hover, var(--surface)); }
.btn:active { transform: translateY(0.5px); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  background: var(--accent-hover, var(--accent));
  border-color: var(--accent-hover, var(--accent));
  filter: var(--btn-primary-hover-filter, brightness(1.08));
}
.btn-danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn-danger:hover { background: var(--danger-bg, rgba(180,35,24,0.08)); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--btn-hover, rgba(127,127,127,0.12)); }
.btn-sm { min-height: 2rem; padding: 0 0.65rem; font-size: 0.8rem; }
.btn-lg { min-height: 3rem; padding: 0 1.4rem; font-size: 1rem; }

/* ---------- 9. Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--card-pad, 1.1rem);
  margin-block-end: 1rem;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
}
.card h3 { margin-block-end: 0.5rem; font-size: 0.95rem; font-weight: 600; color: var(--ink-2); text-transform: uppercase; letter-spacing: 0.06em; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1rem;
  margin-block-end: 1rem;
}
.card-grid .card { margin: 0; }
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: 1rem;
  margin-block-end: 1rem;
}

/* ---------- 10. Alerts ---------- */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  margin-block-end: 1rem;
  border: 1px solid var(--line);
  background: var(--surface);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.92rem;
}
.alert-ok { border-color: var(--ok); color: var(--ok); background: var(--ok-bg, rgba(21,128,61,0.06)); }
.alert-error { border-color: var(--danger); color: var(--danger); background: var(--danger-bg, rgba(180,35,24,0.06)); }
.alert-warn { border-color: var(--warn); color: var(--warn); background: var(--warn-bg, rgba(180,83,9,0.06)); }
.alert-info { border-color: var(--accent); color: var(--accent); background: var(--accent-bg, rgba(15,118,110,0.06)); }

/* ---------- 11. Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.55rem;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  border: 1px solid var(--line-strong);
  color: var(--ink-2);
  vertical-align: middle;
  white-space: nowrap;
}
.badge-ok, .badge-success { color: var(--ok); border-color: var(--ok); background: var(--ok-bg, rgba(21,128,61,0.06)); }
.badge-warn { color: var(--warn); border-color: var(--warn); background: var(--warn-bg, rgba(180,83,9,0.06)); }
.badge-bad, .badge-danger { color: var(--danger); border-color: var(--danger); background: var(--danger-bg, rgba(180,35,24,0.06)); }
.badge-info { color: var(--accent); border-color: var(--accent); background: var(--accent-bg, rgba(15,118,110,0.06)); }

/* ---------- 12. Toolbar ---------- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
  justify-content: space-between;
  margin-block-end: 1rem;
}
.toolbar > * { min-width: 0; }
.filters-form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}
.filter-select, .filter-input {
  min-height: var(--ctl-h, 2.4rem);
  padding: 0 0.65rem;
  font-size: 0.9rem;
}
.inline-form { display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap; }
.row-actions { display: flex; gap: 0.4rem; justify-content: flex-end; }
.row-actions form { margin: 0; }

/* ---------- 13. Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0.9rem 1rem;
  align-items: end;
}
.form-grid.one { grid-template-columns: 1fr; }
.form-grid .span-all { grid-column: 1 / -1; }
.form-grid .span-2 { grid-column: span 2; }
.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}
.field > span {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-2);
}
.field.check, label.check {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}
.field.check > span, label.check > span {
  font-size: 0.95rem;
  color: var(--ink);
}

input, select, textarea {
  font: inherit;
  color: var(--ink);
  background: var(--field-bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  min-height: var(--ctl-h, 2.4rem);
  padding: 0 0.65rem;
  width: 100%;
  min-width: 0;
  transition: border 0.15s, box-shadow 0.15s, background 0.15s;
}
textarea {
  padding: 0.5rem 0.65rem;
  min-height: 5rem;
  resize: vertical;
  line-height: 1.5;
}
input[type="checkbox"] {
  width: 1.1rem;
  min-height: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent);
  cursor: pointer;
}
input[type="radio"] { accent-color: var(--accent); cursor: pointer; }
input[type="file"] { padding: 0.35rem 0.5rem; min-height: 2.6rem; background: var(--field-bg); }
input[type="date"], input[type="datetime-local"], input[type="time"], input[type="month"] {
  font-family: inherit;
}
select {
  background-image: var(--select-arrow, url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23566' d='M6 8L0 0h12z'/%3E%3C/svg%3E"));
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-inline-end: 2rem;
}
[dir="rtl"] select {
  background-position: left 0.65rem center;
  padding-inline-end: 0.65rem;
  padding-inline-start: 2rem;
}
input:hover, select:hover, textarea:hover { border-color: var(--ink-2); }
input:focus, select:focus, textarea:focus, .btn:focus-visible, summary:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
input:invalid:not(:placeholder-shown) { border-color: var(--danger); }
input:disabled, select:disabled, textarea:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  background: var(--field-disabled, rgba(127,127,127,0.08));
}
::placeholder { color: var(--ink-2); opacity: 0.7; }

.form-actions { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.form-actions .btn { flex: 0 0 auto; }
.filters { display: flex; flex-wrap: wrap; gap: 0.7rem; align-items: end; }
.filters .field { min-width: 9rem; }

/* ---------- 14. Tables ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  margin-block-end: 1rem;
  box-shadow: var(--shadow);
  -webkit-overflow-scrolling: touch;
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.table th, .table td {
  padding: var(--cell-pad, 0.55rem 0.75rem);
  text-align: start;
  border-block-end: 1px solid var(--line);
  vertical-align: middle;
}
.table th.num, .table td.num { text-align: end; }
.table thead th {
  background: var(--th-bg);
  color: var(--th-ink);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 2;
  border-block-end: 2px solid var(--line-strong);
}
.table tbody tr { transition: background 0.1s; }
.table tbody tr:hover { background: var(--row-hover); }
.table tbody tr:last-child td { border-block-end: 0; }
.table tr.row-group td, .table tr.row-warn td {
  font-weight: 700;
  background: var(--row-group);
}
.table tr.row-warn td { background: var(--warn-bg, rgba(180,83,9,0.08)); }
.table tr.row-ok td { background: var(--ok-bg, rgba(21,128,61,0.06)); }
.table tr.row-muted td { opacity: 0.5; font-style: italic; }
.table tr.row-total td {
  font-weight: 700;
  background: var(--row-total);
  border-block-start: 2px solid var(--line-strong);
}
.table td .btn { white-space: nowrap; }
.table a { font-weight: 500; }
.jl-table select, .jl-table input { min-width: 7rem; }
.jl-table select.jl-account { min-width: 15rem; }

.kv {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 0.8rem;
}
.kv > div { display: flex; flex-direction: column; }
.periods {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
  gap: 0.5rem;
}
.period {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.6rem;
  margin: 0;
}
.period.is-locked { border-color: var(--warn); background: var(--warn-bg, rgba(180,83,9,0.06)); }
.perm-group {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-block: 1rem;
  padding: 0.8rem 1rem;
  background: var(--surface);
}
.perm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 0.4rem 0.8rem;
}

/* ---------- 15. Popovers ---------- */
.pop { position: relative; }
.pop > summary {
  list-style: none;
  cursor: pointer;
}
.pop > summary::-webkit-details-marker { display: none; }
.pop > summary::marker { display: none; content: ''; }
.pop-body {
  position: absolute;
  inset-inline-end: 0;
  top: calc(100% + 0.3rem);
  min-width: 12rem;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-pop);
  padding: 0.3rem;
  z-index: 60;
  max-height: 70vh;
  overflow-y: auto;
}
.pop-body form { margin: 0; }
.theme-opt {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.55rem 0.6rem;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.9rem;
  text-align: start;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.theme-opt:hover { background: var(--row-hover); text-decoration: none; }
.theme-opt.is-current { font-weight: 700; }
.swatch {
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  border: 1px solid rgba(127,127,127,0.5);
  flex: none;
}

/* ---------- 16. Data list ---------- */
.data-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}
.data-list li {
  padding: 0.4rem 0;
  border-block-end: 1px solid var(--line);
  font-size: 0.9rem;
}
.data-list li:last-child { border-block-end: 0; }

/* ---------- 17. Installer / login screens ---------- */
body.install {
  display: grid;
  place-items: start center;
  padding: 2rem 1rem;
  background-image: var(--bg-image, none);
}
.install-box {
  width: min(46rem, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
}
.install-box.narrow { width: min(26rem, 100%); }
.install-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: 1rem;
}

/* ---------- 18. Tree (ERPNext-style) ---------- */
.tree-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  justify-content: space-between;
  margin-block-end: 0.8rem;
}
.tree-tools { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.tree-search { min-width: 14rem; width: auto; }
.tree-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.tnode {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.75rem;
  padding-inline-start: calc(0.75rem + var(--d, 0) * 1.6rem);
  border-block-end: 1px solid var(--line);
  min-height: 2.6rem;
  transition: background 0.1s;
}
.tnode:last-child { border-block-end: 0; }
.tnode[hidden] { display: none; }
.tnode:hover { background: var(--row-hover); }
.tnode.is-group > .tlabel { font-weight: 700; }
.tnode.is-off .tlabel { opacity: 0.55; text-decoration: line-through; }
.tnode[data-collapsed="1"] > .tree-toggle::before { content: "+"; }
.tlabel { min-width: 0; overflow-wrap: anywhere; }
.tspace { flex: 1; }
.tright { white-space: nowrap; font-weight: 600; }
.tright.neg { color: var(--danger); }
.tactions { display: flex; gap: 0.3rem; opacity: 0; transition: opacity 0.12s; }
.tactions form { margin: 0; }
.tnode:hover .tactions, .tnode:focus-within .tactions { opacity: 1; }
@media (hover: none) { .tactions { opacity: 1; } }

/* tree tables (legacy) */
.tree-cell {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding-inline-start: calc(var(--d, 0) * 1.4rem);
}
.tree-toggle {
  width: 1.35rem;
  height: 1.35rem;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  line-height: 1;
  font: inherit;
  font-size: 0.9rem;
  flex: none;
}
.tree-toggle::before { content: "\2212"; }
tr[data-collapsed="1"] .tree-toggle::before { content: "+"; }
.tree-spacer { display: inline-block; width: 1.35rem; flex: none; }
tr[hidden] { display: none; }

/* ---------- 19. Profile, avatar, logo ---------- */
.avatar {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  object-fit: cover;
  vertical-align: middle;
}
.avatar-lg {
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  margin: 0 auto 0.8rem;
}
.avatar-empty {
  display: grid;
  place-items: center;
  font-size: 2.4rem;
  background: var(--accent);
  color: var(--accent-ink);
}
.logo-preview {
  max-height: 5rem;
  max-width: 14rem;
  object-fit: contain;
  display: block;
  margin-block: 0.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.3rem;
  background: #fff;
}
.profile-grid {
  display: grid;
  grid-template-columns: minmax(15rem, 20rem) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}
.profile-side { text-align: center; }
.kv.one { grid-template-columns: 1fr; text-align: start; margin-block-start: 1rem; }

/* roles matrix */
label.check.inline { display: inline-flex; margin-inline-start: 0.8rem; font-weight: 400; }
.perm-res {
  border-block-start: 1px dashed var(--line);
  padding-block: 0.6rem;
}
.perm-res[hidden] { display: none; }
.perm-res-head {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  margin-block-end: 0.3rem;
}
.perm-group legend { font-weight: 700; padding-inline: 0.4rem; }

/* ---------- 20. Responsive breakpoints ---------- */
/* Touch screens: larger hit targets */
@media (pointer: coarse) {
  :root { --ctl-h: max(var(--ctl-h, 2.4rem), 2.75rem); }
  .btn-sm { min-height: 2.4rem; }
  .nav-link { padding-block: 0.7rem; }
  .tree-toggle { width: 1.9rem; height: 1.9rem; }
  .tnode { min-height: 3rem; }
}

/* Large desktops: maximize space */
@media (min-width: 1600px) {
  :root { --main-max: 1400px; }
  .main { justify-self: center; width: 100%; }
}

/* Tablets portrait */
@media (max-width: 1100px) {
  .shell { --side-w: 13rem; }
  .main { padding: 1rem; }
  .cards, .card-grid { grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr)); }
}

/* Tablets landscape and below: off-canvas menu */
@media (max-width: 900px) {
  .shell, [data-layout="top"] .shell {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "head" "main";
    grid-template-rows: var(--head-h, 3.5rem) 1fr;
  }
  .nav-toggle { display: inline-flex; }
  .side, [data-layout="top"] .side { display: none; }
  body.nav-open .side {
    display: block;
    position: fixed;
    inset: var(--head-h, 3.5rem) 0 0 0;
    z-index: 25;
    overflow-y: auto;
    padding: 0.8rem;
    border: 0;
    box-shadow: var(--shadow-pop);
    animation: slideIn 0.25s ease-out;
  }
  [dir="rtl"] body.nav-open .side {
    inset-inline-start: 0;
    inset-inline-end: 0;
  }
  body.nav-open::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 20;
    animation: fadeIn 0.2s;
    backdrop-filter: blur(2px);
  }
  [data-layout="top"] .side .grp-items {
    display: block;
    position: static;
    box-shadow: none;
    border: 0;
    background: transparent;
    min-width: 0;
    padding: 0 0 0 0.5rem;
  }
  [data-layout="top"] .side .grp-title { padding: 0.6rem 0.75rem 0.2rem; }
  [data-layout="top"] .side .nav-link { padding: 0.55rem 0.75rem; }
  .main { padding: 0.9rem; }
  .form-grid .span-2 { grid-column: 1 / -1; }
  .toolbar { align-items: stretch; }
  .head { gap: 0.35rem; padding-inline: 0.6rem; }
  .head .btn { padding-inline: 0.55rem; }
  .brand { max-width: 50vw; }
}

/* Phones */
@media (max-width: 600px) {
  html { font-size: 15px; }
  .hide-sm { display: none; }
  .head .btn-ghost { min-width: 2.4rem; padding: 0 0.5rem; }
  .form-grid { grid-template-columns: 1fr; }
  .form-actions { flex-wrap: wrap; }
  .form-actions .btn { flex: 1 1 8rem; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar > * { width: 100%; }
  .filters { flex-direction: column; align-items: stretch; }
  .filters .field { min-width: 0; width: 100%; }
  .filters-form { flex-direction: column; align-items: stretch; }
  .filters-form > * { width: 100%; }
  .kv { grid-template-columns: 1fr; }
  .card { padding: 0.8rem; }
  .cards, .card-grid { grid-template-columns: 1fr; gap: 0.6rem; }
  .grid-2 { grid-template-columns: 1fr; }
  .table { font-size: 0.85rem; }
  .table th, .table td { padding: 0.45rem 0.55rem; }
  .row-actions { flex-wrap: wrap; justify-content: flex-start; }
  .perm-grid { grid-template-columns: 1fr; }
  .periods { grid-template-columns: repeat(auto-fill, minmax(8.5rem, 1fr)); }
  .jl-table { min-width: 52rem; }
  .install-box { padding: 1rem; }
  .page-title { font-size: 1.25rem; }
  .pop-body {
    position: fixed;
    inset-inline: 0.6rem;
    top: calc(var(--head-h, 3.5rem) + 0.3rem);
    min-width: 0;
    max-height: calc(100vh - var(--head-h, 3.5rem) - 1rem);
    overflow-y: auto;
  }
  .tnode { flex-wrap: wrap; }
  .tspace { display: none; }
  .tright { margin-inline-start: auto; }
  .tactions { width: 100%; opacity: 1; padding-inline-start: 1.8rem; }
  .big-num { font-size: 1.4rem; }
  .page-header { flex-direction: column; align-items: stretch; }
  .page-actions { justify-content: stretch; }
  .page-actions .btn { flex: 1 1 8rem; }
}

/* Extra small phones */
@media (max-width: 380px) {
  html { font-size: 14px; }
  .brand { font-size: 0.95rem; max-width: 60vw; }
  .head { padding-inline: 0.4rem; gap: 0.2rem; }
}

/* ---------- 21. Animations ---------- */
@keyframes slideIn {
  from { transform: translateX(-100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
[dir="rtl"] body.nav-open .side { animation: slideInRtl 0.25s ease-out; }
@keyframes slideInRtl {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- 22. Print styles ---------- */
@media print {
  .head, .side, .toolbar, .btn, .export, .nav-toggle, .page-actions { display: none !important; }
  .shell { display: block; }
  body { background: #fff; color: #000; font-size: 12px; }
  .table-wrap, .card {
    border: 1px solid #ccc;
    box-shadow: none;
    page-break-inside: avoid;
  }
  .table th { background: #f0f0f0 !important; color: #000 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .table tr { page-break-inside: avoid; }
  .main { padding: 0; }
  a { color: #000; text-decoration: underline; }
}