/* -------- Sidebar -------- */
/* Sidebar bleibt beim Scrollen stehen */
.tbp-sidebar {
  width: var(--sidebar-w);
  flex: 0 0 280px;          /* wichtig: feste Spaltenbreite im flex layout */
  position: fixed;         /* <- bleibt stehen */
  top: 0;                   /* <- klebt am oberen Rand */
  left: 0;                   /* <- klebt am oberen Rand */
  height: 100vh;            /* <- volle Höhe */
  z-index: 10;
  transition: width 300ms ease;
}

/* collapsed */
.tbp-sidebar--collapsed {
  width: var(--sidebar-w-collapsed);
  flex-basis: 80px;
}

/* Innenbereich soll nicht mitscrollen – eigenes Scrollen in der Nav */
.tbp-sidebar__inner {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.tbp-sidebar--collapsed {
  width: 80px;
}

.tbp-sidebar__inner {
  height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border-right: 1px solid rgba(255,255,255,0.10);
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.35) inset,
    40px 0 120px rgba(0,0,0,0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* -------- Header -------- */
.tbp-sidebar__header {
  padding: clamp(18px, 3vw, 24px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: relative;
  min-height: 68px;
}

.tbp-sidebar--collapsed .tbp-sidebar__header {
  padding: 18px 12px 18px 12px;
}

.tbp-sidebar__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.tbp-sidebar__mark {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.18), transparent 58%),
    linear-gradient(180deg, rgba(var(--twitch-rgb), 0.72), rgba(var(--twitch-rgb), 0.22));
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow:
    0 16px 40px rgba(var(--twitch-rgb), 0.18),
    0 0 0 1px rgba(0,0,0,0.35) inset;
  flex-shrink: 0;
}

.tbp-sidebar__mark svg {
  width: 22px;
  height: 22px;
  fill: var(--text);
  opacity: 0.95;
}

.tbp-sidebar__brand-text {
  min-width: 0;
}

.tbp-sidebar__brand-text strong {
  display: block;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--heading);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tbp-sidebar__brand-text span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-2);
  letter-spacing: -0.01em;
}

.tbp-sidebar--collapsed .tbp-sidebar__brand-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
  transition: opacity 200ms ease, width 200ms ease;
}

.tbp-sidebar__brand-text {
  transition: opacity 200ms ease 100ms, width 200ms ease 100ms;
}

.tbp-sidebar--collapsed .tbp-sidebar__brand {
  justify-content: center;
}

/* -------- Toggle Button -------- */
.tbp-sidebar__toggle {
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 300ms ease;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
  margin-left: auto;
  position: relative;
}

.tbp-sidebar__toggle:hover {
  background: rgba(255,255,255,0.10);
  color: var(--text);
}

.tbp-sidebar__toggle:focus-visible {
  box-shadow: 0 0 0 3px var(--focus);
}

.tbp-sidebar__toggle svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  transition: transform 300ms ease;
}

.tbp-sidebar--collapsed .tbp-sidebar__toggle svg {
  transform: rotate(180deg);
}

/* Im eingeklappten Zustand: Button absolut positioniert, oben an Sidebar andocken, überragt */
.tbp-sidebar--collapsed .tbp-sidebar__toggle {
  position: absolute;
  top: 0;
  right: -16px;
  margin: 0;
  z-index: 20;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.tbp-sidebar--collapsed .tbp-sidebar__toggle:hover {
  box-shadow: 0 6px 16px rgba(0,0,0,0.5);
}

/* Beim eingeklappten Zustand: Header in Spalte */
.tbp-sidebar--collapsed .tbp-sidebar__header {
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  padding-top: 54px; /* Mehr Platz oben für den überragenden Button */
}

/* Beim ausgeschalteten Zustand: Toggle rechts oben */
.tbp-sidebar__header {
  justify-content: space-between;
  flex-direction: row;
}

.tbp-sidebar__toggle:hover {
  background: rgba(255,255,255,0.10);
  color: var(--text);
}

.tbp-sidebar__toggle:focus-visible {
  box-shadow: 0 0 0 3px var(--focus);
}

.tbp-sidebar__toggle svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  transition: transform 300ms ease;
}

.tbp-sidebar--collapsed .tbp-sidebar__toggle svg {
  transform: rotate(180deg);
}

/* -------- Navigation -------- */
.tbp-sidebar__nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 0;
}

.tbp-sidebar__menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tbp-sidebar__item {
  margin: 0;
  padding: 0;
}

.tbp-sidebar__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 600;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease, padding 200ms ease;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.tbp-sidebar__link > span:not(.tbp-sidebar__icon) {
  white-space: nowrap;
  transition: opacity 200ms ease, width 200ms ease;
}

.tbp-sidebar--collapsed .tbp-sidebar__link {
  justify-content: center;
  padding: 12px;
}

.tbp-sidebar--collapsed .tbp-sidebar__link > span:not(.tbp-sidebar__icon) {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.tbp-sidebar__link:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text);
}

.tbp-sidebar__link:focus-visible {
  background: rgba(255,255,255,0.04);
  box-shadow: inset 0 0 0 3px var(--focus);
}

.tbp-sidebar__link:active {
  transform: translateX(2px);
}

.tbp-sidebar__icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
  opacity: 0.8;
  flex-shrink: 0;
}

.tbp-sidebar__link:hover .tbp-sidebar__icon,
.tbp-sidebar__link:focus-visible .tbp-sidebar__icon {
  opacity: 1;
}

/* -------- Settings Section (Bottom) -------- */
.tbp-sidebar__settings {
  margin-top: auto;
  padding: 12px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}

.tbp-sidebar__details {
  margin: 0;
}

.tbp-sidebar__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: background 160ms ease, color 160ms ease, padding 200ms ease;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  position: relative;
}

.tbp-sidebar__summary > span:not(.tbp-sidebar__icon):not(.tbp-sidebar__chevron) {
  white-space: nowrap;
  transition: opacity 200ms ease, width 200ms ease;
}

.tbp-sidebar--collapsed .tbp-sidebar__summary {
  justify-content: center;
  padding: 12px;
}

.tbp-sidebar--collapsed .tbp-sidebar__summary > span:not(.tbp-sidebar__icon):not(.tbp-sidebar__chevron) {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.tbp-sidebar__summary::-webkit-details-marker {
  display: none;
}

.tbp-sidebar__summary:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text);
}

.tbp-sidebar__summary:focus-visible {
  background: rgba(255,255,255,0.04);
  box-shadow: inset 0 0 0 3px var(--focus);
}

.tbp-sidebar__summary .tbp-sidebar__icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
  opacity: 0.8;
  flex-shrink: 0;
}

.tbp-sidebar__summary:hover .tbp-sidebar__icon {
  opacity: 1;
}

.tbp-sidebar__chevron {
  width: 16px;
  height: 16px;
  fill: currentColor;
  opacity: 0.6;
  margin-left: auto;
  flex-shrink: 0;
  transition: transform 200ms ease, opacity 200ms ease;
}

.tbp-sidebar__details[open] .tbp-sidebar__chevron {
  transform: rotate(180deg);
}

.tbp-sidebar--collapsed .tbp-sidebar__chevron {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.tbp-sidebar--collapsed .tbp-sidebar__details {
  pointer-events: none;
}

.tbp-sidebar--collapsed .tbp-sidebar__details[open] {
  pointer-events: auto;
}

.tbp-sidebar--collapsed .tbp-sidebar__submenu {
  display: none;
}

/* -------- Submenu -------- */
.tbp-sidebar__submenu {
  list-style: none;
  margin: 0;
  padding: 4px 0 8px 0;
  background: rgba(0,0,0,0.2);
}

.tbp-sidebar__subitem {
  margin: 0;
  padding: 0;
}

.tbp-sidebar__sublink {
  display: block;
  padding: 10px 20px 10px 52px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  transition: background 160ms ease, color 160ms ease, padding-left 160ms ease;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.tbp-sidebar__sublink:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  padding-left: 56px;
}

.tbp-sidebar__sublink:focus-visible {
  background: rgba(255,255,255,0.04);
  box-shadow: inset 0 0 0 3px var(--focus);
}

/* Scrollbar Styling */
.tbp-sidebar__nav::-webkit-scrollbar {
  width: 6px;
}

.tbp-sidebar__nav::-webkit-scrollbar-track {
  background: transparent;
}

.tbp-sidebar__nav::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
}

.tbp-sidebar__nav::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.15);
}

/* Motion reduction */
@media (prefers-reduced-motion: reduce) {
  .tbp__orb { animation: none; }
  .tbp-sidebar__link,
  .tbp-sidebar__summary,
  .tbp-sidebar__sublink {
    transition: none;
  }
  .tbp-sidebar__chevron {
    transition: none;
  }
}