/* sidebar-modern.css - Clean Collapsible Sidebar */

:root {
  --sidebar-width: 220px;
  --sidebar-collapsed-width: 64px;
  --sidebar-transition: 200ms ease;
}

/* ─── App Layout ─────────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: auto 1fr;
  grid-template-areas: "sidebar topbar" "sidebar main";
  height: 100vh;
  height: -webkit-fill-available;
  overflow: clip;
  transition: grid-template-columns var(--sidebar-transition);
}

.app.sidebar-collapsed {
  grid-template-columns: var(--sidebar-collapsed-width) 1fr;
}

/* ─── Sidebar Container ──────────────────────────────────────── */
/* Transparent: blends with the page background like a single sheet */
.sidebar {
  grid-area: sidebar;
  background: transparent;
  border-right: none;
  padding: 24px 10px 12px;
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
  transition: all var(--sidebar-transition);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
}

/* ─── Logo Area ──────────────────────────────────────────────── */
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 6px 20px;
  margin-bottom: 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-logo-img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 9px;
  filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.38));
  transition: filter var(--sidebar-transition);
}

.sidebar-logo:hover .sidebar-logo-img {
  filter: drop-shadow(0 0 14px rgba(99, 102, 241, 0.62));
}

/* Brand block: Wordmark + Subtitle gestapelt */
.sidebar-logo-brand {
  display: flex;
  flex-direction: column;
  gap: 1px;
  overflow: hidden;
  transition: opacity var(--sidebar-transition), max-width var(--sidebar-transition);
  max-width: 120px;
}

/* Gradient-Wordmark */
.sidebar-logo-text {
  font-size: 1.1rem;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.01em;
  line-height: 1.15;
  white-space: nowrap;
  background: linear-gradient(135deg, #a5b4fc 0%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Micro-Subtitle */
.sidebar-logo-sub {
  font-size: 0.62rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: rgba(255, 255, 255, 0.28);
  white-space: nowrap;
}

.sidebar-collapsed .sidebar-logo {
  justify-content: center;
  gap: 0;
  padding-bottom: 14px;
}

.sidebar-collapsed .sidebar-logo-brand {
  opacity: 0;
  max-width: 0;
  pointer-events: none;
}

/* ─── Sidebar Header / Toggle ────────────────────────────────── */
/* Sidebar's own toggle is hidden – topbar's sidebarToggleBtn handles collapse */
.sidebar-header {
  display: none;
}

.sidebar-toggle {
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-radius: 6px;
  flex-shrink: 0;
  transition: background var(--sidebar-transition);
}

.sidebar-toggle:hover {
  background: rgba(255, 255, 255, 0.06);
}

.sidebar-toggle-line {
  width: 14px;
  height: 1.5px;
  background: rgba(255, 255, 255, 0.45);
  border-radius: 1px;
  transition: background var(--sidebar-transition);
}

.sidebar-toggle:hover .sidebar-toggle-line {
  background: rgba(255, 255, 255, 0.8);
}

/* ─── Navigation ─────────────────────────────────────────────── */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Nav items use the same glass-card look as content cards */
.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 13px;
  border-radius: 10px;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.6);
  background: var(--glass-bg, rgba(31, 41, 55, 0.4));
  border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.08));
  transition: background var(--sidebar-transition), color var(--sidebar-transition),
              border-color var(--sidebar-transition);
  min-height: 44px;
  position: relative;
  white-space: nowrap;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  line-height: 1; /* Normalisiert button vs a Browser-Unterschiede */
}

/* Active indicator: left accent bar */
.sidebar-nav-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22%;
  bottom: 22%;
  width: 2.5px;
  background: #3b82f6;
  border-radius: 0 2px 2px 0;
  opacity: 0;
  transition: opacity var(--sidebar-transition);
}

.sidebar-nav-item.active::before {
  opacity: 1;
}

.sidebar-nav-item:hover {
  background: var(--glass-bg-hover, rgba(31, 41, 55, 0.55));
  border-color: rgba(255, 255, 255, 0.13);
  color: rgba(255, 255, 255, 0.9);
}

.sidebar-nav-item.active {
  background: var(--glass-bg-active, rgba(59, 130, 246, 0.2));
  border-color: var(--glass-border-active, rgba(59, 130, 246, 0.35));
  color: #93c5fd;
  font-weight: 500;
}

.sidebar-nav-item.active:hover {
  background: rgba(59, 130, 246, 0.25);
}

/* Icon */
.sidebar-nav-icon {
  font-size: 1rem;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
  line-height: 1;
}

/* Label */
.sidebar-nav-label {
  font-weight: 400;
  font-size: 0.875rem;
  transition: opacity var(--sidebar-transition), width var(--sidebar-transition);
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.01em;
}

/* ─── Collapsed State ────────────────────────────────────────── */
.sidebar-collapsed .sidebar-nav-label {
  display: none; /* aus Layout entfernen → Icon exakt zentriert */
}

.sidebar-collapsed .sidebar-nav-item {
  padding: 10px;
  justify-content: center;
  align-items: center;
  gap: 0;
  min-height: auto; /* Konsistente Höhe für alle Icons inkl. Logout-Button */
}

/* Logout-Button: alle abweichenden Eigenschaften überschreiben */
.sidebar-collapsed #logoutAdminBtn,
.sidebar-collapsed .sidebar-nav-item--logout {
  padding: 10px;
  text-align: center;
  justify-content: center;
  align-items: center;
  gap: 0 !important;           /* !important: überschreibt Inline-Styles und ID-Regeln */
  min-height: auto !important; /* !important: überschreibt min-height aus ID-Regel */
}

/* ─── Logout Section ─────────────────────────────────────────── */
.sidebar-logout {
  margin-top: auto;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-nav-item--logout {
  color: rgba(248, 113, 113, 0.65);
  text-align: left;
  width: 100%;
}

.sidebar-nav-item--logout:hover {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}

/* ─── Legal Footer in Sidebar ────────────────────────────────── */
.sidebar-legal {
  padding: 10px 6px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 120px;
  overflow: hidden;
  transition: max-height var(--sidebar-transition),
              opacity var(--sidebar-transition),
              padding var(--sidebar-transition),
              border-color var(--sidebar-transition);
}

.sidebar-collapsed .sidebar-legal {
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  border-top-color: transparent;
}

.sidebar-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
}

.sidebar-legal a {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.18);
  text-decoration: none;
  transition: color 0.2s;
}

.sidebar-legal a:hover {
  color: rgba(255, 255, 255, 0.5);
}

.sidebar-legal-copy {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.12);
}

/* ─── Section Title ──────────────────────────────────────────── */
.sidebar-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.25);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 13px 6px;
  transition: opacity var(--sidebar-transition);
}

.sidebar-collapsed .sidebar-section-title {
  opacity: 0;
  height: 0;
  padding: 0;
  overflow: hidden;
}

.sidebar-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.06);
  margin: 4px 0;
}

/* ─── Tooltip (collapsed mode) ───────────────────────────────── */
.sidebar-collapsed .sidebar-nav-item[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--panel, #111827);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
  padding: 6px 10px;
  border-radius: 7px;
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  z-index: 1000;
}

.sidebar-collapsed .sidebar-nav-item[data-tooltip]:hover::after {
  opacity: 1;
}

/* Touch-Geräte (iPad/iPhone): Tooltips komplett deaktivieren —
   auf Touch gibt es kein echtes Hover, Tooltip bleibt sonst kleben */
@media (hover: none) {
  .sidebar-collapsed .sidebar-nav-item[data-tooltip]::after,
  .sidebar-collapsed .sidebar-nav-item[data-tooltip]:hover::after {
    display: none;
  }
}

/* ─── Badge ──────────────────────────────────────────────────── */
.sidebar-nav-badge {
  margin-left: auto;
  background: #ef4444;
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 10px;
  min-width: 16px;
  text-align: center;
  transition: opacity var(--sidebar-transition);
}

.sidebar-collapsed .sidebar-nav-badge {
  opacity: 0;
}

/* ─── Mobile ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
    grid-template-areas: "topbar" "mobile-nav" "main";
  }

  .sidebar { display: none; }

  .mobile-nav {
    grid-area: mobile-nav;
    display: flex;
    justify-content: space-around;
    background: var(--glass-bg, rgba(31, 41, 55, 0.4));
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    padding: 6px 4px;
    position: sticky;
    top: 0;
    z-index: 50;
    overflow-x: auto;
  }

  .mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 7px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.5);
    transition: background var(--sidebar-transition), color var(--sidebar-transition);
    min-width: 56px;
    font-size: 0.72rem;
    white-space: nowrap;
  }

  .mobile-nav-item.active {
    background: rgba(59, 130, 246, 0.12);
    color: #93c5fd;
    font-weight: 600;
  }

  .mobile-nav-icon { font-size: 1.1rem; }
  .sidebar-toggle { display: none; }
}

/* ─── Tablet Landscape ───────────────────────────────────────── */
@media (min-width: 769px) and (max-width: 1024px) {
  :root {
    --sidebar-width: 200px;
    --sidebar-collapsed-width: 60px;
  }
}

/* ─── Tablet Portrait → Bottom Nav ──────────────────────────── */
@media (orientation: portrait) and (min-width: 769px) and (max-width: 1024px) {
  /* !important überschreibt .app.sidebar-collapsed (Spezifität 20 > 10) */
  .app,
  .app.sidebar-collapsed {
    grid-template-columns: 1fr !important;
    grid-template-rows: auto 1fr auto;
    grid-template-areas: "topbar" "main" "mobile-nav";
  }

  .sidebar { display: none !important; }

  /* ── Bottom Nav: poliertes App-Design ── */
  .mobile-nav {
    grid-area: mobile-nav;
    display: flex;
    position: sticky;
    bottom: 0;
    top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: none;
    padding: 14px 8px env(safe-area-inset-bottom, 14px);
    background: rgba(8, 15, 30, 0.94);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    box-shadow: 0 -1px 0 rgba(255, 255, 255, 0.06), 0 -16px 40px rgba(0, 0, 0, 0.35);
    z-index: 100;
    justify-content: space-evenly;
  }

  .mobile-nav .mobile-nav-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 0 0 auto;
    min-width: 60px;
    max-width: 120px;
    padding: 10px 14px 8px;
    border-radius: 0;
    gap: 5px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: rgba(255, 255, 255, 0.32);
    white-space: nowrap;
    text-decoration: none;
  }

  .mobile-nav .mobile-nav-item.active {
    color: #a5b4fc;
    background: rgba(99, 102, 241, 0.08);
    font-weight: 700;
  }

  /* Gradient-Linie oben als Active-Indikator */
  .mobile-nav .mobile-nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    border-radius: 0 0 3px 3px;
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.7);
  }

  .mobile-nav .mobile-nav-icon {
    font-size: 1.4rem;
    filter: none;
  }

  .mobile-nav .mobile-nav-item.active .mobile-nav-icon {
    filter: drop-shadow(0 0 6px rgba(165, 180, 252, 0.5));
  }
}

/* ─── Large Desktop ──────────────────────────────────────────── */
@media (min-width: 1400px) {
  :root { --sidebar-width: 240px; }
}