/* ========================================
   03-layout.css — Sidebar, TopBar, App Layout
   ======================================== */

/* ========================================
   APP LAYOUT
   ======================================== */
.app-layout {
  display: flex;
  min-height: 100vh;
  background: var(--bg-base);
}

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  margin-left: var(--sidebar-width);
  margin-top: var(--top-bar-height);
  transition: margin-left 0.3s ease;
  background: var(--bg-base);
}

.app-main.sidebar-collapsed {
  margin-left: var(--sidebar-collapsed-width);
}

.content {
  padding: var(--space-4);
  color: var(--text-primary);
}

/* Pre-Blazor sidebar state (set by inline script in index.html) */
html.sidebar-is-collapsed .sidebar-nav {
  width: var(--sidebar-collapsed-width);
}

html.sidebar-is-collapsed .top-bar {
  left: var(--sidebar-collapsed-width);
}

html.sidebar-is-collapsed .app-main {
  margin-left: var(--sidebar-collapsed-width);
}

/* Hide default Blazor sidebar */
.sidebar {
  display: none;
}

/* ========================================
   SIDEBAR NAV
   ======================================== */
.sidebar-nav {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-default);
  color: var(--text-primary);
  overflow-x: hidden;
  overflow-y: auto;
  transition: width 0.3s ease;
  z-index: 1031;
  display: flex;
  flex-direction: column;
}

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

/* Sidebar header */
.sidebar-nav .sidebar-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: var(--top-bar-height);
  padding: 0 var(--space-4);
  border-bottom: 1px solid var(--border-default);
  flex-shrink: 0;
}

.sidebar-nav .sidebar-header .brand-text {
  font-weight: var(--font-bold);
  font-size: var(--text-base);
  white-space: nowrap;
  color: var(--text-primary);
  opacity: 1;
  transition: opacity 0.2s ease;
}

.sidebar-nav.collapsed .sidebar-header .brand-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

/* Sidebar footer (logo) */
.sidebar-nav .sidebar-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
  overflow: hidden;
}

.sidebar-nav .sidebar-footer img {
  max-height: 40px;
  max-width: 140px;
  object-fit: contain;
  opacity: 0.7;
  transition: opacity 0.2s ease;
  transform: scale(1.5);
}

.sidebar-nav .sidebar-footer img:hover {
  opacity: 1;
}

.sidebar-nav.collapsed .sidebar-footer {
  display: none;
}

/* Sidebar footer logo theme switching */
.sidebar-footer .logo-dark { display: none; }
[data-theme="light"] .sidebar-footer .logo-white { display: none; }
[data-theme="light"] .sidebar-footer .logo-dark { display: block; transform: scale(4); }

/* Sidebar navigation links */
.sidebar-nav .sidebar-body {
  flex: 1;
  padding: var(--space-3) 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 0;
  padding: var(--space-2) var(--space-3) var(--space-2) 0;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: 0;
  margin: 1px var(--space-2);
  border-radius: var(--radius);
  transition: color var(--duration-base) var(--ease-default), background-color var(--duration-base) var(--ease-default);
  white-space: nowrap;
  position: relative;
}

.sidebar-nav .nav-link:hover {
  color: var(--text-primary);
  background-color: var(--accent-subtle);
}

.sidebar-nav .nav-link.active {
  color: var(--accent);
  background-color: var(--accent-subtle);
  border-left: 3px solid var(--accent);
}

.sidebar-nav .nav-link .bi {
  font-size: 1.1rem;
  width: var(--sidebar-collapsed-width);
  text-align: center;
  flex-shrink: 0;
}

.sidebar-nav .nav-link .nav-text {
  opacity: 1;
  transition: opacity 0.2s ease;
  overflow: hidden;
}

.sidebar-nav.collapsed .nav-link .nav-text {
  opacity: 0;
  width: 0;
}

.sidebar-nav.collapsed .nav-link {
  justify-content: center;
  padding-left: 0;
  padding-right: 0;
  margin-left: 0;
  margin-right: 0;
}

.sidebar-nav.collapsed .nav-link .bi {
  width: auto;
}

.sidebar-nav.collapsed .section-title hr {
  display: none;
}

/* Section titles */
.sidebar-nav .section-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-3) var(--space-1) var(--space-3);
  text-transform: uppercase;
  font-size: 0.7rem;
  font-weight: var(--font-bold);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wider);
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-nav .section-title span {
  opacity: 1;
  transition: opacity 0.2s ease;
}

.sidebar-nav.collapsed .section-title span {
  opacity: 0;
  width: 0;
  overflow: hidden;
  display: none;
}

.sidebar-nav .section-title hr {
  flex: 1;
  border: none;
  border-top: 1px solid var(--border-default);
  margin: 0;
}

/* ========================================
   TOP BAR
   ======================================== */
.top-bar {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--top-bar-height);
  background-color: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  z-index: 1030;
  transition: left 0.3s ease;
}

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

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

.top-bar .toggle-btn {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius);
  transition: background-color var(--duration-base) var(--ease-default);
  display: flex;
  align-items: center;
  justify-content: center;
}

.top-bar .toggle-btn:hover {
  background-color: var(--bg-hover);
}

.top-bar .top-bar-logo {
  max-height: 30px;
}

.top-bar .top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Theme toggle button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0 !important;
  border-radius: var(--radius) !important;
}

/* Language toggle button */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 32px;
  padding: 0 8px !important;
  border-radius: var(--radius) !important;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.lang-toggle .lang-flag {
  font-size: 1rem;
  line-height: 1;
}

/* ========================================
   TENANT SWITCHER
   ======================================== */
.tenant-switcher {
  position: relative;
}

.tenant-switcher .dropdown-toggle {
  color: var(--text-primary);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  transition: background-color var(--duration-base) var(--ease-default);
}

.tenant-switcher .dropdown-toggle:hover {
  background-color: var(--bg-hover);
}

.tenant-switcher .dropdown-toggle::after {
  display: none;
}

.tenant-switcher .user-email {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.tenant-switcher .tenant-name {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.tenant-switcher .dropdown-menu {
  min-width: 280px;
  position: absolute;
  top: 100%;
  right: 0;
  display: none;
  margin-top: var(--space-1);
  background-color: var(--bg-raised);
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-dropdown);
  border-radius: var(--radius-md);
}

.tenant-switcher .dropdown-menu.show {
  display: block;
}

.tenant-switcher .dropdown-header {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
}

.tenant-switcher .dropdown-item {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.tenant-switcher .dropdown-item:hover:not(.active) {
  background-color: var(--bg-hover);
}

.tenant-switcher .dropdown-item.active {
  background-color: var(--accent-subtle);
  color: var(--accent);
}

.tenant-switcher .dropdown-item.active .badge {
  background-color: var(--accent-subtle) !important;
  color: var(--accent) !important;
}

.tenant-switcher .dropdown-item.text-danger {
  color: var(--danger-text) !important;
}

.tenant-switcher .dropdown-item.text-danger:hover {
  background-color: var(--danger-subtle);
  color: var(--danger-text) !important;
}

.tenant-switcher .bi-chevron-down {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  transition: transform var(--duration-base) var(--ease-default);
}

.tenant-switcher.show .bi-chevron-down {
  transform: rotate(180deg);
}

/* ========================================
   HOME PAGE
   ======================================== */
.home-header {
  margin-bottom: var(--space-8);
}

.home-header h1 {
  color: var(--text-primary);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
}

.home-subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 800px;
  margin: 0;
}

/* ========================================
   LOGIN LAYOUT
   ======================================== */
.login-layout {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0B0F19 0%, #1F2937 50%, #111827 100%);
}

[data-theme="light"] .login-layout {
  background: linear-gradient(135deg, #E5E7EB 0%, #F3F4F6 50%, #F9FAFB 100%);
}

.login-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-modal);
}

.login-brand {
  text-align: center;
  margin-bottom: var(--space-8);
}

.login-brand h3 {
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin: var(--space-3) 0 0;
}

/* Login brand logo theme switching */
.login-brand .logo-dark { display: none; }
[data-theme="light"] .login-brand .logo-white { display: none; }
[data-theme="light"] .login-brand .logo-dark { display: block; }

/* ========================================
   MOBILE RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  .sidebar-nav {
    transform: translateX(-100%);
    width: var(--sidebar-width);
    top: var(--top-bar-height);
  }

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

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

  .sidebar-nav.collapsed .nav-link .nav-text,
  .sidebar-nav.collapsed .section-title span {
    opacity: 1;
    width: auto;
    display: inline;
  }

  .sidebar-nav.collapsed .nav-link::after {
    display: none;
  }

  .sidebar-nav.collapsed .sidebar-footer {
    display: flex;
  }

  .top-bar {
    left: 0 !important;
    z-index: 1032;
  }

  .app-main {
    margin-left: 0 !important;
  }
}