/* ============================================================
   YouAİBOOKS — Layout (App shell, Sidebar, Main area)
   React'e geçişte: AppShell bileşeni
============================================================ */

/* ----------------------------------------------------------
   App Wrapper — Root flex container
---------------------------------------------------------- */
.app-wrapper {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ----------------------------------------------------------
   Sidebar
---------------------------------------------------------- */
.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--color-surface-1);
  border-right: 1px solid var(--border-subtle);
  overflow: hidden;
  position: relative;
  z-index: 60;
  transition: width var(--transition-slow);
}

/* Collapsed state — toggled via JS classList.toggle('collapsed') */
.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar.collapsed .brand-name,
.sidebar.collapsed .nav-section-label,
.sidebar.collapsed .nav-label,
.sidebar.collapsed .nav-badge,
.sidebar.collapsed .mini-calendar {
  opacity: 0;
  width: 0;
  overflow: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), width var(--transition-base);
}

.sidebar.collapsed .full-logo {
  display: none !important;
}

.sidebar.collapsed .icon-logo {
  display: block !important;
  transform: scale(1.4) !important;
  transform-origin: center center !important;
  margin: 0 auto !important;
}

.sidebar.collapsed .sidebar-brand {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  padding: 24px 0 !important;
  margin: 0 !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

.sidebar.collapsed .sidebar-nav {
  padding: 16px 0 !important;
  align-items: center !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

.sidebar.collapsed .nav-item {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  padding: 0 !important;
  margin: 0 0 10px 0 !important;
  width: 44px !important;
  height: 44px !important;
  border-radius: 12px !important;
  box-sizing: border-box !important;
  gap: 0 !important;
}

.sidebar.collapsed .nav-icon {
  margin: 0 !important;
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
}

.sidebar.collapsed .nav-item.active::before {
  display: none;
}

/* ----------------------------------------------------------
   Main Area
---------------------------------------------------------- */
.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* ----------------------------------------------------------
   Responsive Breakpoints
---------------------------------------------------------- */

/* Laptop — daraltılmış sidebar, bazı üst bar elemanları gizlendi */
@media (max-width: 1279px) {
  :root {
    --sidebar-width: 220px;
  }

  .search-wrap {
    display: none;
  }

  .user-info {
    display: none;
  }
}

/* Tablet — sidebar fixed overlay, JS ile toggle */
@media (max-width: 959px) {
  .sidebar {
    position: fixed;
    left: calc(-1 * var(--sidebar-width) - 10px);
    top: 0;
    bottom: 0;
    z-index: 100;
    width: 260px !important;
    box-shadow: 8px 0 40px rgba(0, 0, 0, 0.6);
    transition: left var(--transition-slow);
  }

  .sidebar.mobile-open {
    left: 0;
  }

  /* Re-show collapsed-hidden elements when overlay is open */
  .sidebar.mobile-open .brand-name,
  .sidebar.mobile-open .nav-section-label,
  .sidebar.mobile-open .nav-label,
  .sidebar.mobile-open .nav-badge,
  .sidebar.mobile-open .mini-calendar {
    opacity: 1;
    width: auto;
    overflow: visible;
    pointer-events: auto;
  }

  .sidebar.mobile-open .sidebar-brand {
    justify-content: flex-start;
    padding: 20px 18px;
  }

  .sidebar.mobile-open .nav-item {
    justify-content: flex-start;
    padding: 10px 10px;
  }
}

/* Tablet sidebar backdrop */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 90;
  backdrop-filter: blur(4px);
}

.sidebar-backdrop.visible {
  display: block;
}

/* Mobile — küçük header, gizli bazı elemanlar */
@media (max-width: 767px) {
  :root {
    --header-height: 58px;
    --time-gutter-width: 52px;
    --staff-col-min: 110px;
  }

  .top-bar-center {
    display: none;
  }

  .stats-strip {
    display: none;
  }

  .btn-new-text {
    display: none;
  }

  .current-date-display {
    font-size: 13px;
    min-width: 160px;
  }

  .staff-col-header .staff-role-badge {
    display: none;
  }

  .staff-col-header .staff-appt-count {
    display: none;
  }

  .appt-service {
    display: none;
  }
}