/* Refined history sidebar shared by LEXPrevoyance and Reglement.
   Loaded after the legacy shells so this file is the single sidebar contract. */

:root {
  --history-width: 304px;
  --history-ease: cubic-bezier(.22, .8, .24, 1);
}

/* Top-bar affordance ------------------------------------------------------ */
.rag-topbar,
.rag-app.history-collapsed .rag-topbar {
  inset: 0 0 auto var(--history-width) !important;
  width: auto !important;
  min-height: 64px !important;
  padding: 0 20px !important;
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  transition: left 220ms var(--history-ease) !important;
}

.rag-app.history-collapsed .rag-topbar {
  left: 0 !important;
}

.rag-back {
  display: none !important;
}

.rag-back::before {
  content: none !important;
}

.rag-topnote {
  margin-left: auto !important;
}

.history-toggle {
  width: auto !important;
  min-width: 116px !important;
  height: 38px !important;
  padding: 0 13px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 9px !important;
  color: var(--ui-muted) !important;
  background: var(--ui-panel) !important;
  border: 1px solid var(--ui-line) !important;
  border-radius: 11px !important;
  box-shadow: 0 1px 2px rgba(20, 32, 28, .04) !important;
  cursor: pointer !important;
  transition: color 150ms ease, background 150ms ease, border-color 150ms ease, transform 150ms ease !important;
}

.history-toggle:hover {
  color: var(--ui-text) !important;
  background: var(--ui-hover) !important;
  border-color: var(--ui-line-strong) !important;
  transform: translateY(-1px);
}

.history-toggle:active {
  transform: translateY(0) scale(.98);
}

.history-toggle-icon {
  width: 20px !important;
  height: 20px !important;
  display: inline-grid !important;
  place-items: center !important;
  flex: 0 0 20px !important;
}

.history-toggle-icon svg {
  width: 20px !important;
  height: 20px !important;
  display: block !important;
  transition: transform 180ms var(--history-ease);
}

.history-toggle-label {
  display: inline !important;
  color: inherit !important;
  font-size: .76rem !important;
  font-weight: 690 !important;
  letter-spacing: .01em !important;
  white-space: nowrap !important;
}

@media (min-width: 841px) {
  .rag-app:not(.history-collapsed) .history-toggle {
    display: none !important;
  }
}

/* Desktop rail ----------------------------------------------------------- */
.rag-workspace,
.rag-app.history-collapsed .rag-workspace {
  grid-template-columns: var(--history-width) minmax(0, 1fr) 316px !important;
}

.rag-app.history-collapsed .rag-workspace {
  grid-template-columns: minmax(0, 1fr) 316px !important;
}

.rag-history-sidebar,
.rag-app.history-collapsed .rag-history-sidebar {
  position: fixed !important;
  inset: 0 auto 0 0 !important;
  z-index: 40 !important;
  width: var(--history-width) !important;
  min-width: var(--history-width) !important;
  height: 100vh !important;
  height: 100dvh !important;
  padding: 12px !important;
  display: block !important;
  overflow: hidden !important;
  visibility: visible !important;
  transform: translateX(0) !important;
  opacity: 1 !important;
  pointer-events: auto !important;
  background: var(--ui-sidebar) !important;
  border-right: 1px solid var(--ui-line) !important;
  transition: transform 220ms var(--history-ease), visibility 220ms step-start !important;
}

.rag-app.history-collapsed .rag-history-sidebar {
  visibility: hidden !important;
  transform: translateX(-101%) !important;
  pointer-events: none !important;
  transition: transform 220ms var(--history-ease), visibility 220ms step-end !important;
}

.history-panel {
  height: 100% !important;
  min-height: 0 !important;
  padding: 0 !important;
  display: grid !important;
  grid-template-rows: auto auto auto minmax(0, 1fr) !important;
  gap: 0 !important;
  overflow: hidden !important;
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

.sidebar-head {
  min-width: 0;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-head .sidebar-brand {
  min-width: 0 !important;
  min-height: 48px !important;
  margin: 0 !important;
  padding: 6px !important;
  flex: 1 1 auto !important;
}

.sidebar-collapse-button {
  min-width: 36px;
  height: 36px;
  padding: 0 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex: 0 0 auto;
  color: var(--ui-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  transition: color 150ms ease, background 150ms ease, border-color 150ms ease;
}

.sidebar-collapse-button:hover {
  color: var(--ui-text);
  background: var(--ui-hover);
  border-color: var(--ui-line);
}

.sidebar-collapse-button svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}

.sidebar-collapse-button span {
  display: none;
  font-size: .7rem;
  font-weight: 650;
}

.history-panel .source-panel-heading {
  min-height: 34px !important;
  margin: 0 0 10px !important;
  padding: 0 5px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 8px !important;
  border: 0 !important;
}

.history-panel .rag-kicker {
  display: block !important;
  margin: 0 0 3px !important;
  color: var(--ui-accent) !important;
  font-size: .6rem !important;
  font-weight: 720 !important;
  letter-spacing: .11em !important;
  line-height: 1.1 !important;
  text-transform: uppercase !important;
}

.history-panel h2 {
  margin: 0 !important;
  color: var(--ui-text) !important;
  font-size: .82rem !important;
  font-weight: 680 !important;
  letter-spacing: -.01em !important;
  line-height: 1.2 !important;
  text-transform: none !important;
}

.history-panel-actions {
  display: flex !important;
  align-items: center !important;
  gap: 4px !important;
}

.history-panel .history-refresh-button {
  min-height: 32px !important;
  padding: 0 8px !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  color: var(--ui-muted) !important;
  background: transparent !important;
  border: 1px solid transparent !important;
  border-radius: 9px !important;
  font-size: .68rem !important;
  font-weight: 620 !important;
}

.history-refresh-button svg {
  width: 15px;
  height: 15px;
}

.history-refresh-button:hover {
  color: var(--ui-text) !important;
  background: var(--ui-hover) !important;
  border-color: var(--ui-line) !important;
}

.history-refresh-button.is-loading svg {
  animation: history-spin 800ms linear infinite;
}

.history-refresh-button:disabled {
  opacity: .58 !important;
  cursor: wait !important;
}

@keyframes history-spin {
  to { transform: rotate(360deg); }
}

.history-new-button {
  width: 100% !important;
  min-height: 46px !important;
  margin: 0 0 12px !important;
  padding: 0 13px !important;
  display: flex !important;
  align-items: center !important;
  color: var(--ui-text) !important;
  background: var(--ui-panel) !important;
  border: 1px solid var(--ui-line) !important;
  border-radius: 12px !important;
  box-shadow: 0 1px 2px rgba(20, 32, 28, .035) !important;
  font-size: .82rem !important;
  font-weight: 660 !important;
  text-align: left !important;
  cursor: pointer !important;
  transition: background 150ms ease, border-color 150ms ease, transform 150ms ease !important;
}

.history-new-button::before {
  content: "+" !important;
  width: 22px !important;
  margin-right: 8px !important;
  color: var(--ui-accent) !important;
  font-size: 1.22rem !important;
  font-weight: 420 !important;
  line-height: 1 !important;
  text-align: center !important;
}

.history-new-button:hover {
  background: var(--ui-panel-soft) !important;
  border-color: var(--ui-line-strong) !important;
  transform: translateY(-1px) !important;
}

.history-new-button:active {
  transform: translateY(0) scale(.99) !important;
}

/* Scrollable conversation history --------------------------------------- */
.history-scroll-region {
  position: relative;
  min-height: 0;
  overflow: hidden;
}

.history-list {
  width: 100% !important;
  height: 100% !important;
  min-height: 0 !important;
  max-height: none !important;
  padding: 1px 3px 24px 0 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 4px !important;
  overflow-x: hidden !important;
  overflow-y: auto !important;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: var(--ui-line-strong) transparent;
}

.history-list::-webkit-scrollbar { width: 7px; }
.history-list::-webkit-scrollbar-track { background: transparent; }
.history-list::-webkit-scrollbar-thumb {
  background: var(--ui-line-strong);
  border: 2px solid transparent;
  border-radius: 999px;
  background-clip: padding-box;
}

.history-list[aria-busy="true"] {
  opacity: .62;
  pointer-events: none;
}

.history-item {
  appearance: none !important;
  width: 100% !important;
  min-width: 0 !important;
  min-height: 66px !important;
  height: auto !important;
  padding: 11px 12px !important;
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) !important;
  align-content: center !important;
  gap: 7px !important;
  flex: 0 0 auto !important;
  overflow: hidden !important;
  opacity: 1 !important;
  color: var(--ui-text) !important;
  background: transparent !important;
  border: 1px solid transparent !important;
  border-radius: 11px !important;
  box-shadow: none !important;
  transform: none !important;
  text-align: left !important;
  cursor: pointer !important;
  transition: background 140ms ease, border-color 140ms ease !important;
}

.history-item:hover {
  background: var(--ui-hover) !important;
  border-color: color-mix(in srgb, var(--ui-line) 72%, transparent) !important;
}

.history-item.active {
  background: var(--ui-panel) !important;
  border-color: var(--ui-line) !important;
  box-shadow: inset 3px 0 0 var(--ui-accent), 0 1px 2px rgba(20,32,28,.035) !important;
}

.history-question {
  width: 100% !important;
  min-width: 0 !important;
  height: auto !important;
  max-height: 2.75em !important;
  margin: 0 !important;
  display: -webkit-box !important;
  overflow: hidden !important;
  opacity: 1 !important;
  color: var(--ui-text) !important;
  font-size: .79rem !important;
  font-weight: 610 !important;
  letter-spacing: -.006em !important;
  line-height: 1.36 !important;
  text-overflow: ellipsis !important;
  white-space: normal !important;
  -webkit-box-orient: vertical !important;
  -webkit-line-clamp: 2 !important;
}

.history-preview {
  display: none !important;
}

.history-meta {
  width: 100% !important;
  min-width: 0 !important;
  margin: 0 !important;
  display: flex !important;
  align-items: center !important;
  gap: 0 !important;
  overflow: hidden !important;
  opacity: 1 !important;
  color: var(--ui-subtle) !important;
  font-size: .64rem !important;
  line-height: 1.25 !important;
  white-space: nowrap !important;
}

.history-meta span {
  min-width: 0 !important;
  max-width: 100% !important;
  padding: 0 !important;
  overflow: hidden !important;
  color: inherit !important;
  background: transparent !important;
  border: 0 !important;
  text-overflow: ellipsis !important;
}

.history-meta span + span::before {
  content: "·" !important;
  margin: 0 5px !important;
  color: var(--ui-subtle) !important;
}

.history-empty {
  margin: 2px !important;
  padding: 14px 12px !important;
  color: var(--ui-muted) !important;
  background: transparent !important;
  border: 0 !important;
  font-size: .75rem !important;
  line-height: 1.5 !important;
}

:root[data-theme="dark"] .history-toggle,
:root[data-theme="dark"] .history-new-button {
  background: var(--ui-panel) !important;
  border-color: var(--ui-line) !important;
}

/* Responsive drawer ------------------------------------------------------ */
@media (max-width: 1280px) {
  .rag-workspace,
  .rag-app.history-collapsed .rag-workspace {
    grid-template-columns: var(--history-width) minmax(0, 1fr) !important;
  }

  .rag-app.history-collapsed .rag-workspace {
    grid-template-columns: minmax(0, 1fr) !important;
  }
}

@media (max-width: 840px) {
  .rag-topbar,
  .rag-app.history-collapsed .rag-topbar {
    inset: 0 0 auto 0 !important;
    min-height: 58px !important;
    height: 58px !important;
    padding: 0 10px !important;
    display: grid !important;
    grid-template-columns: 42px minmax(0, 1fr) auto !important;
    gap: 8px !important;
  }

  .history-toggle {
    grid-column: 1 !important;
    width: 42px !important;
    min-width: 42px !important;
    height: 40px !important;
    padding: 0 !important;
  }

  .history-toggle-label {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    margin: -1px !important;
    padding: 0 !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    white-space: nowrap !important;
  }

  .rag-app.history-open .history-toggle-icon svg {
    transform: rotate(180deg);
  }

  .rag-brand {
    grid-column: 2 !important;
    display: flex !important;
  }

  .rag-topnote {
    grid-column: 3 !important;
    margin-left: 0 !important;
  }

  .rag-workspace,
  .rag-app.history-collapsed .rag-workspace {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .rag-history-sidebar,
  .rag-app.history-collapsed .rag-history-sidebar {
    width: min(320px, 90vw) !important;
    min-width: 0 !important;
    visibility: hidden !important;
    transform: translateX(-102%) !important;
    pointer-events: none !important;
  }

  .rag-app.history-open .rag-history-sidebar {
    visibility: visible !important;
    transform: translateX(0) !important;
    pointer-events: auto !important;
  }

  .rag-app.history-open .history-backdrop {
    display: block !important;
  }

  body.history-drawer-open {
    overflow: hidden !important;
  }
}

@media (max-width: 420px) {
  .rag-history-sidebar,
  .rag-app.history-collapsed .rag-history-sidebar {
    width: min(304px, 92vw) !important;
    padding: 10px !important;
  }

  .sidebar-head { margin-bottom: 14px; }
  .history-refresh-button span { display: none; }
  .history-panel .history-refresh-button { width: 32px !important; padding: 0 !important; justify-content: center !important; }
}

@media (prefers-reduced-motion: reduce) {
  .rag-topbar,
  .rag-history-sidebar,
  .history-toggle-icon svg,
  .history-toggle,
  .history-new-button {
    transition-duration: .01ms !important;
  }
}