/* ==========================================================================
   APP SIDEBAR CSS — Sidebar-Navigation fuer App-Zonen (MarketInsider)
   Ergaenzt die Basis-Sidebar-Styles aus website.css mit App-spezifischem
   Grid-Layout, Collapsed-Mode und Toolbar-Integration.
   ========================================================================== */

/* ── Grid-Layout: Sidebar + Main ─────────────────────────── */

.app-shell--sidebar {
  display: grid;
  grid-template-columns: var(--sidebar-width, 260px) 1fr;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background-color: var(--bg-app);
}

/* Transition nur beim expliziten Sidebar-Toggle, nicht bei resize/compact-mode */
.app-shell--sidebar.sidebar-toggling {
  transition: grid-template-columns 0.25s ease;
}

.app-shell--sidebar .app-main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  width: 100%;
  min-width: 0;
}


/* ── App-Sidebar Modifikator ─────────────────────────────── */

.app-sidebar--app {
  display: flex;
  flex-direction: column;
  background: var(--bg-panel, #f5f7fa);
  border-right: 1px solid var(--border-color, #e2e8f0);
  overflow-y: auto;
  overflow-x: hidden;
  height: 100%;
  transition: width 0.25s ease;
}

.app-sidebar--app .sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  flex-shrink: 0;
  gap: 0.5rem;
}

.app-sidebar--app .sidebar-header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

.app-sidebar--app .sidebar-logo {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main, #1a1a2e);
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.app-sidebar--app .sidebar-logo:hover {
  color: var(--btn-primary-bg);
}

/* Collapse-Button (Desktop, klappt Sidebar ein) */
.sidebar-collapse-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  border-radius: var(--radius-md);
  line-height: 1;
  display: inline-flex;
  align-items: center;
  transition: background 0.15s, color 0.15s;
}
.sidebar-collapse-btn:hover {
  background: var(--surface-container);
  color: var(--text-main);
}

/* Close-Button nur Mobile */
.app-sidebar--app .sidebar-close {
  display: none;
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: var(--radius-md);
  line-height: 1;
  transition: background 0.15s, color 0.15s;
}
.app-sidebar--app .sidebar-close:hover {
  background: var(--surface-container);
  color: var(--text-main);
}

/* ── Sidebar Navigation (geerbt aus website.css Basis) ──── */

.app-sidebar--app .sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem 0;
}

/* ── Sidebar Items (App-spezifische Anpassungen) ─────────── */

.app-sidebar--app .sidebar-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  margin: 1px 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  transition: all 0.2s ease-in-out;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-sidebar--app .sidebar-item:hover {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  color: var(--text-main);
  transform: translateX(2px);
}

.app-sidebar--app .sidebar-item.active {
  background: rgba(0, 88, 190, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 88, 190, 0.25);
  box-shadow: 0 2px 12px rgba(0, 88, 190, 0.12);
  color: var(--btn-primary-bg);
  font-weight: 600;
}

/* Kategorien */
.app-sidebar--app .sidebar-category {
  margin-bottom: 2px;
}

.app-sidebar--app .sidebar-category-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: default;
  user-select: none;
}

.app-sidebar--app .sidebar-category-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: inherit;
  text-decoration: none;
  flex: 1;
  min-width: 0;
}
.app-sidebar--app .sidebar-category-link:hover {
  color: var(--text-main);
}
.app-sidebar--app .sidebar-category-title--active .sidebar-category-link {
  color: var(--btn-primary-bg);
}

.app-sidebar--app .sidebar-category--collapsible .sidebar-category-title {
  cursor: pointer;
  border-radius: var(--radius-md);
  margin: 1px 0.5rem;
  padding: 0.5rem 0.75rem;
  transition: background 0.15s, color 0.15s;
}
.app-sidebar--app .sidebar-category--collapsible .sidebar-category-title:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* Pfeil */
.app-sidebar--app .sidebar-arrow {
  margin-left: auto;
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
}
.app-sidebar--app .sidebar-arrow::before {
  content: '';
  display: block;
  width: 5px;
  height: 5px;
  border-right: 1.5px solid var(--text-muted, #7c8db0);
  border-bottom: 1.5px solid var(--text-muted, #7c8db0);
  transform: rotate(-45deg);
  transition: border-color 0.2s ease;
}

.app-sidebar--app .sidebar-category--collapsible > .sidebar-category-items {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.25s ease, opacity 0.2s ease;
}
.app-sidebar--app .sidebar-category--collapsible.open > .sidebar-category-items {
  max-height: 2000px;
  opacity: 1;
}
.app-sidebar--app .sidebar-category.open > .sidebar-category-title > .sidebar-arrow {
  transform: rotate(90deg);
}

/* Icon */
.app-sidebar--app .sidebar-icon {
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.app-sidebar--app .sidebar-icon svg {
  width: 1em;
  height: 1em;
}

/* Items in Kategorien einruecken */
.app-sidebar--app .sidebar-category-items .sidebar-item {
  padding-left: 1.5rem;
  font-size: 0.8rem;
  border-left: 2px solid var(--border-color, #e2e8f0);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  margin-left: 1.25rem;
}
.app-sidebar--app .sidebar-category-items .sidebar-item.active {
  border-left-color: var(--btn-primary-bg);
}

/* Verschachtelte Kategorien einruecken */
.app-sidebar--app .sidebar-category-items .sidebar-category {
  padding-left: 0.5rem;
}
.app-sidebar--app .sidebar-category-items .sidebar-category .sidebar-category-title {
  font-size: 0.65rem;
}

.app-sidebar--app .sidebar-item--single {
  padding: 0.5rem 0.75rem;
  margin: 1px 0.5rem;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── Dark Mode ───────────────────────────────────────────── */

[data-theme="dark"] .app-sidebar--app .sidebar-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
[data-theme="dark"] .app-sidebar--app .sidebar-item.active {
  background: rgba(173, 198, 255, 0.1);
  border-color: rgba(173, 198, 255, 0.2);
  box-shadow: 0 2px 12px rgba(173, 198, 255, 0.1);
}
[data-theme="dark"] .app-sidebar--app .sidebar-category--collapsible .sidebar-category-title:hover {
  background: rgba(255, 255, 255, 0.05);
}

/* ── Collapsed Mode (Desktop) ────────────────────────────── */

.app-shell--sidebar.sidebar-collapsed {
  --sidebar-width: 56px;
}

.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-logo,
.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-category-title span:not(.sidebar-icon),
.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-category-link span:not(.sidebar-icon),
.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-item span:not(.sidebar-icon),
.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-arrow,
.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-category-items .sidebar-item {
  display: none;
}

.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-header {
  flex-direction: column;
  align-items: center;
  padding: 0.5rem;
  gap: 0.25rem;
}
.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-header-actions {
  flex-direction: column;
  gap: 2px;
}

.app-shell--sidebar.sidebar-collapsed .sidebar-collapse-btn svg {
  transform: rotate(180deg);
}
.app-shell--sidebar.sidebar-collapsed #btn-theme-toggle {
  display: none;
}

/* Alle klickbaren Elemente einheitlich zentrieren */
.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-category-title,
.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-item--single {
  justify-content: center;
  align-items: center;
  padding: 0.6rem 0;
  margin: 1px 0;
}

.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-category-link {
  justify-content: center;
}

/* Im Collapsed-Mode: Kategorie-Items komplett ausblenden (auch wenn .open) */
.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-category-items {
  display: none;
}

/* Einheitliche Icon-Groesse im Collapsed-Mode */
.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-icon {
  font-size: 1.25rem;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.app-shell--sidebar.sidebar-collapsed .app-sidebar--app .sidebar-icon svg {
  width: 20px;
  height: 20px;
}

/* ── Hamburger-Button (nur App-Sidebar, Mobile) ──────────── */

.sidebar-hamburger-app {
  display: none;
}

/* ── Sidebar Overlay ─────────────────────────────────────── */

.app-shell--sidebar > .sidebar-overlay {
  display: none;
}

/* ── Responsive: Mobile Sidebar ──────────────────────────── */

@media (max-width: 768px) {
  .app-shell--sidebar {
    grid-template-columns: 1fr;
  }

  .app-sidebar--app {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    z-index: 2000;
    box-shadow: 2px 0 12px rgba(0, 0, 0, 0.2);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }
  .app-sidebar--app.mobile-open {
    transform: translateX(0);
  }

  /* Collapse-Button auf Mobile verstecken, Close zeigen */
  .sidebar-collapse-btn {
    display: none;
  }
  .app-sidebar--app .sidebar-close {
    display: block;
  }

  .sidebar-hamburger-app {
    display: inline-flex;
  }

  .app-shell--sidebar > .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1999;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }
  .app-shell--sidebar > .sidebar-overlay.active {
    opacity: 1;
    pointer-events: auto;
  }

  /* Fingerfreundliche Touch-Targets */
  .app-sidebar--app .sidebar-item {
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    min-height: 44px;
  }
  .app-sidebar--app .sidebar-item--single {
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    min-height: 44px;
  }
  .app-sidebar--app .sidebar-category-title {
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    min-height: 44px;
  }

  /* Items innerhalb von Kategorien — Spezifität gleichziehen, sonst greifen 0.8rem aus Desktop */
  .app-sidebar--app .sidebar-category-items .sidebar-item {
    padding: 0.75rem 1.25rem 0.75rem 1.75rem;
    font-size: 0.9rem;
    min-height: 44px;
  }

  /* Verschachtelte Kategorien — 0.65rem ist auf Mobile unlesbar */
  .app-sidebar--app .sidebar-category-items .sidebar-category .sidebar-category-title {
    font-size: 0.9rem;
  }
}

@media (min-width: 769px) {
  .app-sidebar--app .sidebar-close {
    display: none;
  }
  .sidebar-hamburger-app {
    display: none;
  }
}

.btn--view-toggle {
  padding: 0.25rem 0.4rem;
  line-height: 1;
}
.btn--view-toggle svg {
  width: 1.1rem;
  height: 1.1rem;
}

/* ── Sidebar-Footer (User-Block) ─────────────────────────── */

.sidebar-footer {
  margin-top: auto; /* an den unteren Rand der flex-column heften */
  border-top: 1px solid var(--border-color);
  padding: 0.5rem;
  flex-shrink: 0;
  background: var(--bg-panel);
}

.sidebar-user-block {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.5rem;
  border-radius: var(--radius-md);
}

.sidebar-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-container);
  color: var(--on-primary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.sidebar-user-name {
  flex: 1;
  font-size: 0.85rem;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.sidebar-footer-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.sidebar-footer-action {
  background: none;
  border: 0;
  padding: 6px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.sidebar-footer-action:hover {
  background: var(--surface-container);
  color: var(--text-main);
}

@media (max-width: 768px) {
  /* Touch-Target min. 40x40 auf Mobile */
  .sidebar-footer-action {
    min-width: 40px;
    min-height: 40px;
    padding: 10px;
  }
}

.sidebar-footer-action--danger:hover {
  background: var(--status-error-bg);
  color: var(--status-error-text);
}

.sidebar-footer-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  background: var(--surface-container-low);
  transition: background 0.15s, border-color 0.15s;
}

.sidebar-footer-btn:hover {
  background: var(--surface-container);
  border-color: var(--border-strong);
}

.sidebar-footer-btn--primary {
  background: var(--primary-container);
  border-color: var(--primary-container);
  color: var(--on-primary-container);
}

.sidebar-footer-btn--primary:hover {
  filter: brightness(0.95);
}

/* ── Print ───────────────────────────────────────────────── */

@media print {
  .app-sidebar--app,
  .sidebar-overlay {
    display: none;
  }
  .app-shell--sidebar {
    grid-template-columns: 1fr;
  }
  .sidebar-footer {
    display: none;
  }
}