/**
 * LK segment control + chat + aliases to UI kit canon.
 * Source of truth: /admin/ui-kit §5 / §10.
 */

/* —— .lk-seg ——
 * Канон: ВНЕШНЯЯ высота трека = 48px (как селект/кнопка).
 * Пункты растягиваются внутри padding, а не задают 48px сами
 * (иначе трек раздувается до ~58px и визуально «плывёт» относительно шапки).
 */
.lk-seg {
  --lk-seg-h: var(--admin-control-height, 48px);
  --lk-seg-pad: 3px;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.25rem;
  box-sizing: border-box;
  width: fit-content;
  max-width: 100%;
  height: var(--lk-seg-h);
  min-height: var(--lk-seg-h);
  max-height: var(--lk-seg-h);
  padding: var(--lk-seg-pad);
  border: 1px solid var(--lk-control-line, var(--admin-line, #d1d5db));
  border-radius: var(--lk-btn-radius, var(--lk-control-radius, 1rem));
  background: var(--lk-control-bg, var(--admin-surface-2, #eef2f8));
}

.lk-seg__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  box-sizing: border-box;
  align-self: stretch;
  margin: 0;
  border: 0;
  border-radius: calc(var(--lk-control-radius, 1rem) - 0.2rem);
  background: transparent;
  color: var(--admin-muted, #5b6f8a);
  font: inherit;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  box-shadow: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: color 0.12s ease, background 0.12s ease;
}

body.admin-panel button.lk-seg__item {
  min-height: unset;
  height: unset;
  max-height: none;
  padding-top: 0;
  padding-bottom: 0;
}

.lk-seg--md .lk-seg__item,
.lk-seg--sm .lk-seg__item {
  min-height: 0;
  height: auto;
  max-height: none;
  padding: 0 1rem;
  font-size: 0.95rem;
}

.lk-seg__item:hover {
  color: var(--admin-text, #151515);
}

.lk-seg__item.is-active,
.lk-seg__item:has(input:checked) {
  background: var(--lk-accent, #2d6ef3);
  color: #fff;
}

/* Иконки (тема и т.п.): цвет иконки не трогаем — только фон */
.lk-seg__item--icon {
  color: var(--lk-accent, #2d6ef3);
}

.lk-seg__item--icon:hover {
  color: var(--lk-accent, #2d6ef3);
}

.lk-seg__item--icon.is-active,
.lk-seg__item--icon:has(input:checked) {
  background: var(--lk-accent-wash, rgba(45, 110, 243, 0.14));
  color: var(--lk-accent, #2d6ef3);
}

/* a/label.lk-seg__item — не наследовать --admin-link / .admin-field label */
body.admin-panel a.lk-seg__item,
body.admin-panel label.lk-seg__item,
body.admin-panel .admin-field label.lk-seg__item,
body.admin-panel .admin-field label.broadcast-mode-opt {
  color: var(--admin-muted, #5b6f8a);
  text-decoration: none;
  font-size: inherit;
}

body.admin-panel a.lk-seg__item:hover,
body.admin-panel label.lk-seg__item:hover,
body.admin-panel .admin-field label.lk-seg__item:hover {
  color: var(--admin-text, #151515);
}

body.admin-panel a.lk-seg__item.is-active:hover,
body.admin-panel label.lk-seg__item.is-active:hover,
body.admin-panel label.lk-seg__item:has(input:checked):hover,
body.admin-panel .admin-field label.lk-seg__item.is-active:hover,
body.admin-panel .admin-field label.lk-seg__item:has(input:checked):hover,
body.admin-panel .admin-field label.broadcast-mode-opt.is-active:hover,
body.admin-panel .admin-field label.broadcast-mode-opt:has(input:checked):hover {
  color: #fff;
}

body.admin-panel a.lk-seg__item.is-active,
body.admin-panel label.lk-seg__item.is-active,
body.admin-panel label.lk-seg__item:has(input:checked),
body.admin-panel .admin-field label.lk-seg__item.is-active,
body.admin-panel .admin-field label.lk-seg__item:has(input:checked),
body.admin-panel .admin-field label.broadcast-mode-opt.is-active,
body.admin-panel .admin-field label.broadcast-mode-opt:has(input:checked) {
  background: var(--lk-accent, #2d6ef3);
  color: #fff;
}

body.admin-panel a.lk-seg__item--icon,
body.admin-panel a.lk-seg__item--icon:hover,
body.admin-panel a.lk-seg__item--icon.is-active {
  color: var(--lk-accent, #2d6ef3);
}

body.admin-panel a.lk-seg__item--icon.is-active {
  background: var(--lk-accent-wash, rgba(45, 110, 243, 0.14));
}

.lk-seg__mark,
.lk-seg__item .requests-new-tab__count,
.lk-seg__item .ops-tab__count,
.lk-seg__item .admin-tab-count {
  font-variant-numeric: tabular-nums;
  opacity: 0.75;
  color: inherit;
}

.lk-seg__item.is-active .lk-seg__mark,
.lk-seg__item.is-active .requests-new-tab__count,
.lk-seg__item.is-active .ops-tab__count {
  opacity: 0.9;
}

.lk-seg__item--icon {
  min-width: 0;
  aspect-ratio: 1;
  width: auto;
  padding: 0;
}

.lk-seg--md .lk-seg__item--icon,
.lk-seg--sm .lk-seg__item--icon {
  /* Квадрат внутри трека 48: side = 48 − pad×2 − border×2 */
  width: calc(var(--lk-seg-h, 48px) - 2 * var(--lk-seg-pad, 3px) - 2px);
  min-width: calc(var(--lk-seg-h, 48px) - 2 * var(--lk-seg-pad, 3px) - 2px);
  height: calc(var(--lk-seg-h, 48px) - 2 * var(--lk-seg-pad, 3px) - 2px);
  min-height: calc(var(--lk-seg-h, 48px) - 2 * var(--lk-seg-pad, 3px) - 2px);
  max-height: calc(var(--lk-seg-h, 48px) - 2 * var(--lk-seg-pad, 3px) - 2px);
  padding: 0;
}

/* Theme toggle: стабильный квадрат иконок, без collapse */
.lk-theme-toggle.lk-seg {
  flex-wrap: nowrap;
  flex-shrink: 0;
}

.lk-theme-toggle .lk-seg__item--icon,
.lk-theme-toggle.lk-seg--md .lk-seg__item--icon,
.lk-theme-toggle.lk-seg--sm .lk-seg__item--icon,
body.admin-panel .lk-theme-toggle .lk-seg__item--icon,
body.admin-panel button.lk-theme-toggle-btn.lk-seg__item {
  display: inline-grid;
  place-items: center;
  width: calc(var(--lk-seg-h, 48px) - 2 * var(--lk-seg-pad, 3px) - 2px) !important;
  min-width: calc(var(--lk-seg-h, 48px) - 2 * var(--lk-seg-pad, 3px) - 2px) !important;
  height: calc(var(--lk-seg-h, 48px) - 2 * var(--lk-seg-pad, 3px) - 2px) !important;
  min-height: calc(var(--lk-seg-h, 48px) - 2 * var(--lk-seg-pad, 3px) - 2px) !important;
  max-height: calc(var(--lk-seg-h, 48px) - 2 * var(--lk-seg-pad, 3px) - 2px) !important;
  padding: 0 !important;
  align-self: center;
}

.lk-seg__icon {
  display: block;
  width: 1.15rem;
  height: 1.15rem;
  pointer-events: none;
}

.lk-seg__item input[type="radio"],
.lk-seg__item input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

/* Legacy aliases → same visual as .lk-seg--md (внешние 48px) */
.ops-tabs,
.ops-view-switch,
.ops-contract-tabs,
.requests-new-tabs,
.requests-new-view-switch,
.broadcast-mode-switch,
.admin-tabs,
.broadcast-segment {
  --lk-seg-h: var(--admin-control-height, 48px);
  --lk-seg-pad: 3px;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.25rem;
  box-sizing: border-box;
  width: fit-content;
  max-width: 100%;
  height: var(--lk-seg-h);
  min-height: var(--lk-seg-h);
  max-height: var(--lk-seg-h);
  padding: var(--lk-seg-pad);
  border: 1px solid var(--lk-control-line, var(--admin-line, #d1d5db));
  border-radius: var(--lk-btn-radius, var(--lk-control-radius, 1rem));
  background: var(--lk-control-bg, var(--admin-surface-2, #eef2f8));
}

.ops-tab,
.ops-view-btn,
.ops-contract-tabs .ops-view-btn,
.requests-new-tab,
.requests-new-view-btn,
.broadcast-mode-opt,
.admin-tab,
.broadcast-segment-opt,
.broadcast-segment-opt > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  gap: 0.35rem;
  box-sizing: border-box;
  min-height: 0;
  height: auto;
  margin: 0;
  padding: 0 1rem;
  border: 0;
  border-radius: calc(var(--lk-control-radius, 1rem) - 0.2rem);
  background: transparent;
  color: var(--admin-muted, #5b6f8a);
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  box-shadow: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: color 0.12s ease, background 0.12s ease;
}

.ops-contract-tabs .ops-view-btn {
  min-height: 0;
  height: auto;
  font-size: 0.95rem;
  padding: 0 1rem;
}

.ops-tab:hover,
.ops-view-btn:hover,
.requests-new-tab:hover,
.requests-new-view-btn:hover,
.admin-tab:hover {
  color: var(--admin-text, #151515);
}

.ops-tab.is-active,
.ops-view-btn.is-active,
.requests-new-tab.is-active,
.requests-new-view-btn.is-active,
.admin-tab.is-active,
.ops-view-btn:has(input:checked),
.broadcast-mode-opt:has(input:checked),
.broadcast-segment-opt:has(input:checked) > span,
.broadcast-segment-opt:has(input:checked) {
  background: var(--lk-accent, #2d6ef3);
  color: #fff;
}

/* —— .lk-chat (canon from UI kit) —— */
.lk-chat {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 14rem;
  padding: 0.85rem;
  border: 1px solid var(--admin-line);
  border-radius: var(--lk-control-radius, 1rem);
  background: var(--admin-surface);
}

.lk-chat__msgs {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1 1 auto;
  min-height: 8rem;
  padding: 0.65rem;
  border-radius: calc(var(--lk-control-radius, 1rem) - 0.15rem);
  background: var(--admin-chat-msgs-bg, var(--admin-surface-2));
  overflow: auto;
}

.lk-chat__bubble {
  max-width: 85%;
  padding: 0.65rem 0.85rem;
  border-radius: 1rem;
  font-size: 0.9rem;
  line-height: 1.35;
}

.lk-chat__bubble--them {
  align-self: flex-start;
  background: var(--admin-surface);
  border: 1px solid var(--admin-line);
  color: var(--admin-text);
}

.lk-chat__bubble--me {
  align-self: flex-end;
  background: var(--lk-accent-wash, rgba(45, 110, 243, 0.1));
  color: var(--admin-chat-me-text, var(--admin-text));
  border: 1px solid transparent;
}

.lk-chat__meta {
  align-self: flex-start;
  color: var(--admin-muted);
  font-size: 0.72rem;
  margin: 0 0 0.35rem;
}

.lk-chat__meta--me {
  align-self: flex-end;
}

.lk-chat__composer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.lk-chat__field {
  flex: 1 1 12rem;
  min-width: 0;
}

/* Map legacy chat shells onto chat bubble look where possible */
.chat-shell,
.ops-client-chat {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.85rem;
  border: 1px solid var(--admin-line);
  border-radius: var(--lk-control-radius, 1rem);
  background: var(--admin-surface);
}

.chat-msgs,
.ops-client-chat__msgs {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1 1 auto;
  padding: 0.65rem;
  border-radius: calc(var(--lk-control-radius, 1rem) - 0.15rem);
  background: var(--admin-chat-msgs-bg, var(--admin-surface-2));
  overflow: auto;
}

.chat-bubble.them,
.ops-client-chat__bubble--them {
  align-self: flex-start;
  max-width: 85%;
  padding: 0.65rem 0.85rem;
  border-radius: 1rem;
  background: var(--admin-surface);
  border: 1px solid var(--admin-line);
  color: var(--admin-text);
  font-size: 0.9rem;
  line-height: 1.35;
}

.chat-bubble.me,
.ops-client-chat__bubble--me {
  align-self: flex-end;
  max-width: 85%;
  padding: 0.65rem 0.85rem;
  border-radius: 1rem;
  background: var(--lk-accent-wash, rgba(45, 110, 243, 0.1));
  color: var(--admin-chat-me-text, var(--admin-text));
  border: 1px solid transparent;
  font-size: 0.9rem;
  line-height: 1.35;
}

.chat-meta,
.ops-client-chat__meta {
  color: var(--admin-muted);
  font-size: 0.72rem;
}

.chat-input-row,
.ops-client-chat__composer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.chat-input-row textarea,
.ops-client-chat__composer textarea {
  flex: 1 1 12rem;
  min-width: 0;
  min-height: 48px;
  box-sizing: border-box;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--lk-control-line, var(--admin-line));
  border-radius: var(--lk-control-radius, 1rem);
  background: var(--lk-control-bg, var(--admin-surface-2));
  color: var(--admin-text);
  font: inherit;
  resize: vertical;
}


/* Empty state */
.lk-empty {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.1rem 1rem;
  border: 1px dashed var(--admin-line-strong, var(--admin-line));
  border-radius: var(--lk-control-radius, 1rem);
  background: var(--admin-surface-2, var(--lk-control-bg));
}
.lk-empty__title {
  margin: 0;
  color: var(--admin-text);
  font-size: 0.95rem;
  font-weight: 650;
}
.lk-empty__text {
  margin: 0;
  color: var(--admin-muted);
  font-size: 0.85rem;
}
.ops-panel.lk-auth-card {
  max-width: 28rem;
  margin-inline: auto;
}


/* table-lite canon */
body.admin-panel .table-lite {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--admin-line);
  border-radius: var(--lk-control-radius, 1rem);
  overflow: hidden;
  background: var(--admin-surface);
}
body.admin-panel .table-lite th,
body.admin-panel .table-lite td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--admin-line);
  text-align: left;
  font-size: 0.9rem;
}
body.admin-panel .table-lite th {
  background: var(--admin-table-head-bg, var(--admin-surface-2, var(--admin-meta-bg)));
  color: var(--admin-text);
  font-family: var(--lk-font-display, "Unbounded", system-ui, sans-serif);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-transform: none;
}
body.admin-panel .table-lite th.is-money,
body.admin-panel .table-lite td.is-money {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
body.admin-panel .table-lite th.is-money .admin-th-head {
  justify-content: flex-end;
  width: 100%;
}
body.admin-panel .table-lite tr:last-child td {
  border-bottom: 0;
}