:root {
  color-scheme: dark;
  --bg: #1a1d21;
  --surface: #25282c;
  --surface-raised: #2e3238;
  --input-bg: #121417;
  --border: #3a3f45;
  --border-focus: #4fc3f7;
  --text: #e8eaed;
  --muted: #9aa0a6;
  --accent: #4fc3f7;
  --danger: #ef5350;

  /* Shoelace: непрозрачные панели меню и диалогов */
  --sl-panel-background-color: var(--surface-raised);
  --sl-overlay-background-color: rgba(0, 0, 0, 0.72);
  --sl-input-background-color: var(--input-bg);
  --sl-input-background-color-hover: #1a1e24;
  --sl-input-background-color-focus: #1a1e24;
  --sl-input-border-color: var(--border);
  --sl-input-border-color-hover: #4a5159;
  --sl-input-border-color-focus: var(--border-focus);
  --sl-input-color: var(--text);
  --sl-input-label-color: var(--muted);
  --sl-color-neutral-0: var(--surface-raised);
  --sl-color-neutral-50: var(--surface-raised);
  --sl-color-neutral-100: #353a40;
  --sl-z-index-dialog: 100050;
  --sl-z-index-dropdown: 100040;
}

/* Диалоги и меню — поверх iframe PDF (у iframe отдельный compositor layer) */
sl-dialog {
  z-index: var(--sl-z-index-dialog);
}

sl-dialog::part(overlay) {
  z-index: var(--sl-z-index-dialog);
}

sl-dialog::part(panel) {
  z-index: calc(var(--sl-z-index-dialog) + 1);
}

sl-dropdown::part(panel) {
  z-index: var(--sl-z-index-dropdown);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.hidden {
  display: none !important;
}

#app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.toolbar-template {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.toolbar-template-label {
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
}

.template-select {
  min-width: 12rem;
  max-width: 18rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.85rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.toolbar .doc-label {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--muted);
  max-width: 40%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#status-bar {
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  min-height: 1.5rem;
}

#status-bar.error {
  color: var(--danger);
}

#status-bar.ok {
  color: #81c784;
}

.workspace {
  display: flex;
  flex: 1;
  min-height: 0;
}

.pane {
  flex: 1 1 50%;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.pane + .pane {
  border-left: 1px solid var(--border);
}

.pane-header {
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.doc-editor {
  flex: 1;
  width: 100%;
  resize: none;
  border: none;
  padding: 0.75rem;
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, monospace;
  font-size: 13px;
  line-height: 1.45;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
}

.doc-editor:focus {
  box-shadow: inset 0 0 0 2px var(--border-focus);
}

.doc-editor:disabled {
  opacity: 0.72;
  cursor: not-allowed;
}

.pdf-pane {
  flex: 1;
  width: 100%;
  border: none;
  background: #2a2a2a;
  position: relative;
  z-index: 0;
}

/* Пока открыта модалка — PDF не перехватывает клики и не рисуется поверх */
body.modal-open .pdf-pane {
  visibility: hidden;
}

/* ——— Вход ——— */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
  background: linear-gradient(160deg, #14171a 0%, var(--bg) 45%, #1e2429 100%);
}

.login-card {
  width: 100%;
  max-width: 22rem;
  padding: 1.75rem;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.login-card h1 {
  margin: 0 0 1.25rem;
  font-size: 1.35rem;
  font-weight: 600;
}

.field {
  display: block;
  margin-bottom: 1rem;
}

.field-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.field input {
  display: block;
  width: 100%;
  padding: 0.55rem 0.65rem;
  font-size: 1rem;
  line-height: 1.35;
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field input:hover {
  border-color: #4a5159;
}

.field input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.25);
}

/* ——— Кнопки (единый стиль) ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 2.125rem;
  padding: 0.45rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  line-height: 1.2;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: filter 0.15s, background 0.15s, border-color 0.15s;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn--primary {
  color: #0d1419;
  background: var(--accent);
  border-color: #3db4e0;
}

.btn--primary:hover:not(:disabled) {
  filter: brightness(1.08);
}

.btn--secondary {
  color: var(--text);
  background: var(--input-bg);
  border-color: var(--border);
}

.btn--secondary:hover:not(:disabled) {
  background: #1a1e24;
  border-color: #4a5159;
}

.btn--ghost {
  color: var(--accent);
  background: transparent;
  border-color: transparent;
}

.btn--ghost:hover:not(:disabled) {
  background: rgba(79, 195, 247, 0.1);
}

.btn--block {
  display: flex;
  width: 100%;
  margin-top: 0.25rem;
}

.btn--menu {
  min-height: 2rem;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}

.btn:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.login-card .btn--block {
  font-size: 1rem;
  min-height: 2.5rem;
}

.field--dialog {
  margin-bottom: 0.5rem;
}

.link-url-input {
  width: 100%;
  box-sizing: border-box;
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
}

#lock-view-btn.hidden {
  display: none;
}

#login-error {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--danger);
}

/* ——— Shoelace: непрозрачные диалоги и меню ——— */
sl-dialog::part(panel) {
  background-color: var(--surface-raised) !important;
  border: 1px solid var(--border);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
  opacity: 1 !important;
}

sl-dialog::part(overlay) {
  background-color: rgba(0, 0, 0, 0.72) !important;
}

sl-dialog::part(header),
sl-dialog::part(body),
sl-dialog::part(footer) {
  background-color: var(--surface-raised);
}

sl-dialog::part(header) {
  padding: 1rem 1.25rem 0.5rem;
}

sl-dialog::part(body) {
  padding: 0.25rem 1.25rem 0.75rem;
}

sl-dialog::part(footer) {
  padding: 0 1.25rem 1rem;
}

sl-dialog.dialog--wide::part(panel) {
  max-width: min(92vw, 56rem);
}

/* Диалог «Открыть документ» — большая часть экрана */
sl-dialog#open-dialog.dialog--viewport::part(panel) {
  width: min(94vw, 80rem);
  max-width: 94vw;
  height: min(88vh, 56rem);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
}

sl-dialog#open-dialog.dialog--viewport::part(body) {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding-bottom: 1rem;
}

#open-dialog .dialog-table-wrap {
  flex: 1 1 auto;
  min-height: 12rem;
  max-height: none;
  margin: 0.5rem 0 1rem;
}

#open-dialog .dialog-actions {
  flex-shrink: 0;
}

sl-dropdown::part(panel) {
  background-color: var(--surface-raised) !important;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  opacity: 1 !important;
}

sl-menu {
  background-color: var(--surface-raised) !important;
  border: 1px solid var(--border);
  min-width: 11rem;
  opacity: 1 !important;
}

sl-menu-item::part(base) {
  color: var(--text);
}

sl-menu-item::part(base):hover {
  background-color: rgba(79, 195, 247, 0.12);
}

sl-menu-item[disabled]::part(base) {
  opacity: 0.45;
}

.update-dropdown-panel {
  min-width: 11rem;
  padding: 0.35rem 0;
  background-color: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--sl-border-radius-medium);
}

.update-dropdown-item {
  display: block;
  width: 100%;
  padding: 0.45rem 0.85rem;
  border: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.update-dropdown-item:hover {
  background-color: rgba(79, 195, 247, 0.12);
}

.update-dropdown-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0.45rem 0.85rem;
  font-size: 0.9rem;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}

.update-dropdown-check input[type="checkbox"] {
  width: 1.05rem;
  height: 1.05rem;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

sl-input::part(base) {
  background-color: var(--input-bg);
  border-color: var(--border);
}

.dialog-table-wrap {
  margin: 0.5rem 0 1.25rem;
  max-height: min(52vh, 24rem);
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
}


.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin: 0;
}

.doc-table th,
.doc-table td {
  padding: 0.55rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.doc-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: none;
  letter-spacing: 0.01em;
  background: var(--surface);
  border-bottom-width: 2px;
  white-space: nowrap;
}

.doc-table th.doc-table-sortable {
  cursor: pointer;
  user-select: none;
}

.doc-table th.doc-table-sortable:hover {
  color: var(--accent);
}

.doc-table th.sorted-asc,
.doc-table th.sorted-desc {
  color: var(--accent);
}

.doc-table th.sorted-asc::after {
  content: " ▲";
  font-size: 0.65rem;
  opacity: 0.85;
}

.doc-table th.sorted-desc::after {
  content: " ▼";
  font-size: 0.65rem;
  opacity: 0.85;
}

.doc-table tbody tr {
  cursor: pointer;
  transition: background-color 0.12s ease;
}

.doc-table tbody tr:hover {
  background: rgba(79, 195, 247, 0.08);
}

.doc-table tbody tr.selected {
  background: rgba(79, 195, 247, 0.2);
}

.doc-table tbody tr.selected:hover {
  background: rgba(79, 195, 247, 0.24);
}

.doc-table td.cell-muted {
  color: var(--muted);
}

.doc-table td.cell-numeric {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.doc-table td.cell-lock {
  font-size: 0.82rem;
  color: var(--muted);
}

.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: flex-end;
  margin-top: 0.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.dialog-actions .btn {
  min-width: 6.5rem;
}

sl-dialog:not(#open-dialog)::part(panel) {
  max-width: min(90vw, 52rem);
}