/* ==========================================================================
   LAYOUT.CSS - Sidebar, Header, Main Layout
   SOA Concierge Warm Design System
   SIDEBAR: Light cream (#F4F1EB), NOT dark navy
   ========================================================================== */

/* ==========================================================================
   APP LAYOUT CONTAINER
   ========================================================================== */

.app-layout {
  display: flex;
  min-height: 100vh;
}

.main-area {
  flex: 1;
  margin-left: var(--sidebar-width);
  transition: margin-left var(--transition-layout);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-area.expanded {
  margin-left: var(--sidebar-collapsed);
}

.main-content {
  padding: var(--space-6) var(--space-8);
  max-width: var(--content-max-width);
  width: 100%;
  flex: 1;
}


/* ==========================================================================
   SIDEBAR - Light cream background, dark text
   ========================================================================== */

.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  background: #FFFFFF;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  z-index: var(--z-sidebar);
  transition: width var(--transition-layout);
  overflow: hidden;
  border-right: 1px solid var(--color-border);
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

/* ---- Sidebar Header ---- */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-3);
  min-height: var(--header-height);
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  overflow: hidden;
}

.logo-icon {
  font-size: 1rem;
  color: var(--color-text);
  flex-shrink: 0;
  width: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text {
  font-family: var(--font-sans);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
  white-space: nowrap;
  opacity: 1;
  transition: opacity var(--transition);
}

.sidebar.collapsed .logo-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-xs);
  transition: all var(--transition);
  flex-shrink: 0;
  font-size: 1rem;
}

.sidebar-toggle:hover {
  background: var(--muted);
  color: var(--color-text);
}

/* ---- Event Badge ---- */
.sidebar-event {
  padding: var(--space-3) var(--space-4);
  flex-shrink: 0;
}

.event-badge {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-xs);
  background: transparent;
  overflow: hidden;
  transition: background var(--transition);
  cursor: pointer;
}

.event-badge:hover {
  background: var(--color-primary-100);
}

.event-badge-name {
  display: block;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}

.event-badge-date {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.sidebar.collapsed .event-badge {
  padding: var(--space-2);
  text-align: center;
}

.sidebar.collapsed .event-badge-name,
.sidebar.collapsed .event-badge-date {
  display: none;
}

/* ---- Sidebar Navigation ---- */
.sidebar-nav {
  flex: 1;
  padding: var(--space-1) var(--space-2);
  overflow-y: auto;
  overflow-x: hidden;
}

.nav-section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  padding: var(--space-4) var(--space-3) var(--space-2);
  white-space: nowrap;
}

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

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px var(--space-3);
  border-radius: var(--radius-xs);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 400;
  transition: background var(--transition-fast);
  margin-bottom: 1px;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
  line-height: 1.6;
}

.nav-item:hover {
  background: var(--color-primary-100);
  color: var(--color-text);
  text-decoration: none;
}

.nav-item.active {
  background: var(--color-primary-100);
  color: var(--color-text);
  font-weight: 500;
}

.nav-item.active .nav-icon {
  color: var(--color-text);
}

.nav-icon {
  font-size: 1.125rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition);
}

.nav-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity var(--transition);
}

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

.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: var(--space-2) 0;
}

.sidebar.collapsed .nav-item.active {
  border-left: 0;
  padding-left: 0;
  background: var(--accent-subtle);
}

/* ---- Sidebar Footer ---- */
.sidebar-footer {
  padding: var(--space-1) var(--space-2) var(--space-3);
  flex-shrink: 0;
}


/* ==========================================================================
   HEADER - Sticky, white/blur, warm border
   ========================================================================== */

.app-header {
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-8);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  position: relative;
}

.header-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: var(--tracking-tight);
}

.header-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.header-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.header-menu-btn:hover {
  background: var(--muted);
}

/* ---- User Avatar & Menu ---- */
.header-user {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  padding: var(--space-1) var(--space-2) var(--space-1) var(--space-1);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.header-user:hover {
  background: var(--muted);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--primary-foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 600;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}

.user-avatar-lg {
  width: 48px;
  height: 48px;
  font-size: var(--text-md);
}

.user-name {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
}

.user-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---- User Dropdown Menu ---- */
.user-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 240px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  z-index: var(--z-dropdown);
  animation: slideDown 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.user-menu-header {
  padding: var(--space-3) var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.user-menu-header .user-info {
  display: flex;
  flex-direction: column;
}

.user-menu-header .user-info .user-name {
  font-size: var(--text-sm);
  font-weight: 600;
}

.user-menu-header .user-info .user-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.user-menu-divider {
  border-top: 1px solid var(--color-border-light);
  margin: var(--space-2) 0;
}

.user-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: none;
  background: none;
  text-align: left;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
}

.user-menu-item:hover {
  background: var(--muted);
}

.user-menu-item.danger {
  color: var(--color-danger);
}

.user-menu-item.danger:hover {
  background: var(--color-danger-light);
}


/* ==========================================================================
   MOBILE RESPONSIVE
   ========================================================================== */

@media (max-width: 768px) {
  /* Sidebar becomes a drawer */
  .sidebar {
    transform: translateX(-100%);
    z-index: var(--z-overlay);
    box-shadow: none;
    width: 280px;
  }

  .sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }

  .sidebar.collapsed {
    width: 280px;
    transform: translateX(-100%);
  }

  .sidebar.collapsed.mobile-open {
    transform: translateX(0);
  }

  /* Overlay backdrop */
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(29, 29, 27, 0.40);
    z-index: calc(var(--z-overlay) - 1);
    animation: fadeInSoft 0.2s ease;
  }

  /* Main area */
  .main-area,
  .main-area.expanded {
    margin-left: 0;
  }

  .main-content {
    padding: var(--space-4);
  }

  /* Header */
  .app-header {
    padding: 0 var(--space-4);
  }

  .header-menu-btn {
    display: flex;
  }

  .user-name {
    display: none;
  }

  .header-title {
    font-size: var(--text-lg);
  }

  /* Collapsed state labels visible on mobile */
  .sidebar.collapsed .nav-label,
  .sidebar.collapsed .logo-text,
  .sidebar.collapsed .event-badge-name,
  .sidebar.collapsed .event-badge-date,
  .sidebar.collapsed .nav-section-label {
    opacity: 1;
    width: auto;
    overflow: visible;
    height: auto;
    padding: inherit;
  }

  .sidebar.collapsed .nav-item {
    justify-content: flex-start;
    padding: var(--space-2) var(--space-3);
  }

  .sidebar.collapsed .event-badge {
    padding: var(--space-3);
    text-align: left;
  }
}

@media (max-width: 480px) {
  .main-content {
    padding: var(--space-3);
  }

  .app-header {
    padding: 0 var(--space-3);
  }
}