/* ==========================================================================
   LAYOUT GŁÓWNY — SIDEBAR + TREŚĆ
   ========================================================================== */

html, body {
  height: 100%;
}

#app {
  display: flex;
  min-height: 100%;
}

/* Remove old full-width header */
#app > header {
  display: none;
}

/* === APP BODY — sidebar + content side by side === */
.app-body {
  display: flex;
  flex: 1;
  width: 100%;
}

/* === SIDEBAR === */
.sidebar {
  width: 232px;
  flex-shrink: 0;
  background-color: var(--bg-1);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  border-right: 1px solid var(--border-subtle);
}

/* === BRAND — top of sidebar === */
.sidebar__brand {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 11px;
  padding: var(--spacing-md);
  text-decoration: none;
  flex-shrink: 0;
  flex: 1;
}

.sidebar__brand-mark {
  display: block;
  flex: none;
  width: 20px;
  height: auto;
}

.sidebar__brand-word {
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: #EDEFF5;
  line-height: 1;
}

/* === SECTION LABEL === */
.sidebar__section-label {
  padding: 0 var(--spacing-md) var(--spacing-xs);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--fg-4);
  flex-shrink: 0;
}

/* === NAV === */
.sidebar__nav {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
}

.sidebar__nav li + li {
  margin-top: 1px;
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 9px var(--spacing-md) 9px 13px;
  margin: 0 var(--spacing-sm) 0 0;
  color: var(--fg-3);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  cursor: pointer;
  user-select: none;
  position: relative;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.sidebar__link:hover {
  color: var(--fg-1);
  background-color: rgba(255, 255, 255, 0.05);
}

.sidebar__link--active {
  color: var(--fg-1);
  background-color: rgba(220, 38, 38, 0.10);
  border-left: 3px solid var(--brand-red);
  padding-left: 10px; /* 13 - 3 border */
}

.sidebar__link--active .sidebar__icon path,
.sidebar__link--active .sidebar__icon rect,
.sidebar__link--active .sidebar__icon circle,
.sidebar__link--active .sidebar__icon polyline,
.sidebar__link--active .sidebar__icon line {
  stroke: var(--brand-orange);
}

.sidebar__icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

.sidebar__icon path,
.sidebar__icon rect,
.sidebar__icon circle,
.sidebar__icon polyline,
.sidebar__icon line {
  stroke: var(--fg-4);
  transition: stroke var(--transition-fast);
}

.sidebar__link:hover .sidebar__icon path,
.sidebar__link:hover .sidebar__icon rect,
.sidebar__link:hover .sidebar__icon circle,
.sidebar__link:hover .sidebar__icon polyline,
.sidebar__link:hover .sidebar__icon line {
  stroke: var(--fg-2);
}

/* === USER PROFILE — bottom of sidebar === */
.sidebar__user {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
  position: relative;   /* anchor dla dropdown */
}

/* === USER DROPDOWN MENU === */
.sidebar__user-menu {
  position: absolute;
  bottom: calc(100% + 6px);
  left: var(--spacing-sm);
  right: var(--spacing-sm);
  background: var(--bg-3);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  z-index: 100;
  overflow: hidden;
}

.sidebar__user-menu[hidden] { display: none; }

.sidebar__user-menu-info {
  padding: 10px 14px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar__user-menu-label {
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-4);
}

.sidebar__user-menu-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--fg-1);
}

.sidebar__user-menu-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 0;
}

.sidebar__user-menu-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 14px;
  background: none;
  border: none;
  color: var(--fg-3);
  font-size: var(--font-size-sm);
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.sidebar__user-menu-btn:hover {
  color: var(--fg-1);
  background: rgba(255, 255, 255, 0.05);
}

.sidebar__user-menu-btn--danger:hover {
  color: var(--danger);
  background: var(--danger-soft);
}

.sidebar__user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar__user-info {
  flex: 1;
  min-width: 0;
}

.sidebar__user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--fg-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__user-role {
  font-size: var(--font-size-xs);
  color: var(--fg-4);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__user-btn {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: none;
  background: none;
  color: var(--fg-4);
  cursor: pointer;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.sidebar__user-btn:hover {
  color: var(--fg-2);
  background-color: rgba(255, 255, 255, 0.05);
}

/* === PRZEŁĄCZNIK MOTYWU w sidebarze === */

.sidebar__theme-li {
  margin-top: auto;   /* przesuwa na dół listy */
  border-top: 1px solid var(--border-subtle);
}

.sidebar__theme-btn {
  /* dziedziczy .sidebar__link — tylko nadpiszemy co trzeba */
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--fg-3);
}

.sidebar__theme-btn:hover {
  color: var(--fg-1);
  background-color: rgba(255, 255, 255, 0.05);
}

.sidebar__theme-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* Płynne przejścia koloru/tła przy zmianie motywu */
body,
.sidebar,
.right-pane,
.main-content,
.view-topbar,
.agent-toolbar,
.kb-category,
.kb-card,
.agent-card,
.junior-card {
  transition: background-color 280ms cubic-bezier(0.4,0,0.2,1),
              border-color     280ms cubic-bezier(0.4,0,0.2,1),
              color            280ms cubic-bezier(0.4,0,0.2,1);
}

/* === RIGHT PANE — main-content + stopka === */
.right-pane {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* === MAIN CONTENT === */
.main-content {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* === VIEW TOPBAR — per-view header === */
.view-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-xl);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
  background-color: var(--bg-0);
}

.view-topbar__main {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.view-topbar__title {
  margin: 0;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--fg-1);
}

.view-topbar__subtitle {
  margin: 0;
  font-size: var(--font-size-xs);
  color: var(--fg-3);
}

.view-topbar__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.view-topbar__btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: none;
  color: var(--fg-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), border-color var(--transition-fast),
              background-color var(--transition-fast);
}

.view-topbar__btn:hover {
  color: var(--fg-1);
  border-color: var(--border-strong);
  background-color: rgba(255, 255, 255, 0.04);
}

.view[hidden] {
  display: none;
}

/* Placeholder dla widoków w przygotowaniu */
.view-placeholder {
  padding: var(--spacing-xl) var(--spacing-lg);
}

.view-placeholder__title {
  margin: 0 0 var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-main);
}

.view-placeholder__desc {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* === SIDEBAR HEADER (brand + toggle button row) === */
.sidebar__header {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  position: relative;
}

/* Override sidebar width transition to include width */
.sidebar {
  transition: background-color 280ms cubic-bezier(0.4,0,0.2,1),
              border-color     280ms cubic-bezier(0.4,0,0.2,1),
              color            280ms cubic-bezier(0.4,0,0.2,1),
              width            280ms cubic-bezier(0.4,0,0.2,1);
}

/* === SIDEBAR TOGGLE BUTTON === */
.sidebar__toggle {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  margin-right: var(--spacing-sm);
  border: none;
  background: none;
  color: var(--fg-4);
  cursor: pointer;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), background-color var(--transition-fast),
              opacity var(--transition-fast);
}

.sidebar__toggle:hover {
  color: var(--fg-1);
  background-color: rgba(255, 255, 255, 0.07);
}

/* Show collapse icon when expanded, expand icon when collapsed */
.sidebar__toggle-icon--expand { display: none; }
.sidebar--collapsed .sidebar__toggle-icon--collapse { display: none; }
.sidebar--collapsed .sidebar__toggle-icon--expand { display: block; }

/* === TOOLTIP (appended to body, position: fixed) === */
.sidebar-tooltip {
  position: fixed;
  background: var(--bg-tooltip, #0e1120);
  color: var(--fg-1, #edeff5);
  padding: 5px 10px;
  border-radius: var(--radius-md, 6px);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-50%);
  transition: opacity 0.15s ease;
  z-index: 9999;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.sidebar-tooltip--visible {
  opacity: 1;
}

/* === SIDEBAR COLLAPSED STATE === */
.sidebar--collapsed {
  width: 60px;
}

.sidebar--collapsed .sidebar__header {
  justify-content: center;
}

.sidebar--collapsed .sidebar__brand {
  flex: 0 0 auto;
  padding-left: 0;
  padding-right: 0;
  gap: 0;
  justify-content: center;
}

.sidebar--collapsed .sidebar__brand-word {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
}

/* Toggle button: niewidoczny, wyśrodkowany nad logo — na hover zamienia się z logo */
.sidebar--collapsed .sidebar__toggle {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  margin-right: 0;
  opacity: 0;
  width: 32px;
  height: 32px;
}

/* Hover: pokaż toggle, ukryj logo (efekt zamiany) */
.sidebar--collapsed .sidebar__header:hover .sidebar__toggle {
  opacity: 1;
}

.sidebar--collapsed .sidebar__brand-mark {
  width: 20px;
  height: auto;
  transition: opacity var(--transition-fast);
}

.sidebar--collapsed .sidebar__header:hover .sidebar__brand-mark {
  opacity: 0;
}

/* Section label hidden */
.sidebar--collapsed .sidebar__section-label {
  height: 0;
  padding: 0;
  overflow: hidden;
  opacity: 0;
}

/* Nav link labels hidden */
.sidebar--collapsed .sidebar__link-label {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
}

.sidebar--collapsed .sidebar__theme-label {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
}

/* Center nav icons */
.sidebar--collapsed .sidebar__link {
  justify-content: center;
  padding-left: 0;
  padding-right: 0;
  margin-right: 0;
  gap: 0;
}

.sidebar--collapsed .sidebar__link--active {
  padding-left: 0;
  border-left: none;
  margin: 0 var(--spacing-xs);
}

/* User section */
.sidebar--collapsed .sidebar__user-info {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
}

.sidebar--collapsed .sidebar__user-btn {
  display: none;
}

.sidebar--collapsed .sidebar__user {
  justify-content: center;
  gap: 0;
}