/* ===================================
   Iuventus WMS v5.0 - Layout
   =================================== */

/* ===== APP LAYOUT ===== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: var(--z-fixed);
  transition: width var(--transition-slow), transform var(--transition-slow);
  overflow: hidden;
}

.sidebar-header {
  padding: var(--space-3);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--header-height);
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-weight-extrabold);
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.sidebar-brand {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  white-space: nowrap;
}

.sidebar-brand-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.sidebar-brand-version {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
}

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

.sidebar-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar-nav-item {
  display: block;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.sidebar-nav-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.sidebar-nav-link.active {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
  font-weight: var(--font-weight-semibold);
}

[data-theme="dark"] .sidebar-nav-link.active {
  background: rgba(14, 165, 233, 0.15);
  color: var(--color-primary-400);
}

.sidebar-nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
}

.sidebar-nav-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-nav-badge {
  margin-left: auto;
  background: var(--color-danger-500);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  min-width: 20px;
  text-align: center;
}

/* Sidebar Section Labels */
.sidebar-nav-section {
  padding: var(--space-2) var(--space-2) var(--space-1);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--space-2);
  border-top: 1px solid var(--border-color);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.sidebar-user:hover {
  background: var(--bg-hover);
}

.sidebar-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-primary-600));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.sidebar-user-info {
  overflow: hidden;
  flex: 1;
}

.sidebar-user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

/* Sidebar Collapsed State */
.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-brand,
.sidebar.collapsed .sidebar-nav-label,
.sidebar.collapsed .sidebar-nav-badge,
.sidebar.collapsed .sidebar-nav-section,
.sidebar.collapsed .sidebar-user-info {
  display: none;
}

.sidebar.collapsed .sidebar-nav-link {
  justify-content: center;
  padding: var(--space-1);
}

.sidebar.collapsed .sidebar-header {
  justify-content: center;
}

/* ===== MAIN CONTENT AREA ===== */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-slow);
}

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

/* ===== HEADER ===== */
.main-header {
  height: var(--header-height);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  gap: var(--space-2);
}

.header-toggle-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: var(--font-size-xl);
  transition: all var(--transition-fast);
}

.header-toggle-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.header-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  flex: 1;
}

.header-breadcrumb-separator {
  color: var(--color-gray-300);
}

.header-breadcrumb-current {
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.header-action-btn {
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  transition: all var(--transition-fast);
  position: relative;
}

.header-action-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.header-action-btn .badge-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background: var(--color-danger-500);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-header);
}

.header-context {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: var(--bg-input);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
}

.header-context-value {
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
}

/* ===== MAIN CONTENT ===== */
.main-content {
  flex: 1;
  padding: var(--space-3);
  max-width: var(--container-max-width);
  width: 100%;
  margin: 0 auto;
}

/* ===== PAGE HEADER ===== */
.page-header {
  margin-bottom: var(--space-3);
}

.page-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-1);
}

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

/* ===== STATS GRID ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

/* ===== CONTENT GRID ===== */
.content-grid {
  display: grid;
  gap: var(--space-3);
}

.content-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.content-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.content-grid-2-1 {
  grid-template-columns: 2fr 1fr;
}

/* ===== MOBILE OVERLAY ===== */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-fixed) - 1);
  backdrop-filter: blur(4px);
}

/* ===== LOGIN LAYOUT ===== */
.login-layout {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-800));
}

.login-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-xl);
  animation: scaleIn var(--transition-slow) ease-out;
}

.login-header {
  text-align: center;
  margin-bottom: var(--space-4);
}

.login-logo {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-weight-extrabold);
  font-size: var(--font-size-2xl);
  margin: 0 auto var(--space-2);
}

.login-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .content-grid-2,
  .content-grid-3,
  .content-grid-2-1 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

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

  .main-wrapper {
    margin-left: 0;
  }

  .main-content {
    padding: var(--space-2);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .header-context {
    display: none;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .login-card {
    padding: var(--space-3);
  }
}