/**
 * Toolbox Layout System
 * Grid, sidebar, and main content structure
 * © 2025 Jason Hoblin · bSundry Technologies
 */

/* === Main App Container === */

.app-container {
  display: flex;
  min-height: 100vh;
  background-color: var(--color-bg-primary);
}

/* === Sidebar === */

.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-bg-secondary);
  border-right: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow: hidden;
  transition: width var(--transition-base);
  z-index: var(--z-sticky);
}

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

/* Sidebar Header */

.sidebar-header {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  transition: opacity var(--transition-fast);
}

.sidebar-logo:hover {
  opacity: 0.8;
}

.sidebar-logo-icon {
  font-size: var(--font-size-xl);
  line-height: 1;
}

.sidebar-logo-text {
  white-space: nowrap;
  transition: opacity var(--transition-base);
}

.sidebar.collapsed .sidebar-logo {
  display: none;
}

.sidebar.collapsed #theme-toggle {
  display: none;
}

.sidebar.collapsed .sidebar-header {
  justify-content: center;
  padding-left: 0;
  padding-right: 0;
}

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-size: var(--font-size-base);
  line-height: 1;
}

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

/* Sidebar Search & Filters */

.sidebar-search {
  padding: var(--space-2);
  border-bottom: 1px solid var(--color-border-subtle);
}

.search-row {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.filter-row {
  display: flex;
  gap: var(--space-1);
}

.search-wrapper {
  position: relative;
  flex: 1;
}

.search-input {
  width: 100%;
  padding: var(--space-1) var(--space-2);
  padding-left: var(--space-6);
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-xs);
  transition: all var(--transition-fast);
  height: 28px;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-accent-orange);
  background-color: var(--color-surface-overlay);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-icon {
  position: absolute;
  left: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  font-size: var(--font-size-xs);
}

.sidebar-select {
  flex: 1;
  width: 100%;
  padding: 0 var(--space-2);
  height: 28px;
  font-size: var(--font-size-xs);
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-border-default);
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.sidebar-select:focus {
  outline: none;
  border-color: var(--color-accent-orange);
}

.btn-icon-sm {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  transition: all var(--transition-fast);
  padding: 0;
}

.btn-icon-sm:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text-primary);
  border-color: var(--color-border-default);
}

.sidebar.collapsed .sidebar-search {
  padding: var(--space-1);
}

.sidebar.collapsed .filter-row,
.sidebar.collapsed .search-input,
.sidebar.collapsed .btn-icon-sm {
  display: none;
}

.sidebar.collapsed .sidebar-search {
  display: flex;
  justify-content: center;
}

.sidebar.collapsed .search-wrapper {
  width: auto;
  flex: 0;
}

.sidebar.collapsed .search-icon {
  position: static;
  transform: none;
  font-size: var(--font-size-lg);
  padding: var(--space-2);
  cursor: pointer;
}

/* Sidebar Navigation */

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2);
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-item {
  margin-bottom: 2px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  position: relative;
  min-height: 32px;
}

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

.nav-link.active {
  background-color: var(--color-accent-orange);
  color: var(--color-text-inverse);
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background-color: var(--color-text-inverse);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.nav-icon {
  font-size: var(--font-size-base);
  line-height: 1;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}

.nav-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

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

/* Sidebar Footer */

.sidebar-footer {
  padding: var(--space-2);
  border-top: 1px solid var(--color-border-subtle);
  background-color: var(--color-bg-tertiary);
}

.theme-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2);
  background-color: var(--color-surface-raised);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text-primary);
  border-color: var(--color-accent-orange);
}

.sidebar-footer-text {
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-align: center;
  line-height: var(--line-height-relaxed);
}

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

/* === Main Content Area === */

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

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

/* Main Header (optional breadcrumb area) */

.main-header {
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: var(--space-4) var(--space-6);
  min-height: var(--header-height);
  display: flex;
  align-items: center;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-accent-orange);
}

.breadcrumb-separator {
  color: var(--color-text-muted);
}

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

/* Content Container */

.content-container {
  flex: 1;
  padding: var(--space-6);
  max-width: var(--content-max-width);
  width: 100%;
  margin: 0 auto;
}

.content-wrapper {
  background-color: var(--color-surface-base);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  min-height: 400px;
}

/* Tool Content Area (where tools render) */

.tool-content {
  width: 100%;
}

/* === Responsive Design === */

@media (max-width: 1024px) {
  /* Sidebar width handling inherited from root */
}

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

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

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

  .sidebar.collapsed~.main-content {
    margin-left: 0;
  }

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

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

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

  .content-wrapper {
    padding: var(--space-3);
    border-radius: var(--radius-lg);
  }
}

/* Mobile Overlay */

.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg-overlay);
  z-index: calc(var(--z-sticky) - 1);
}

@media (max-width: 768px) {
  .mobile-overlay.active {
    display: block;
  }
}

/* Mobile Menu Button */

.mobile-menu-button {
  display: none;
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent-orange);
  color: var(--color-text-inverse);
  border: none;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: var(--z-sticky);
  transition: all var(--transition-fast);
}

.mobile-menu-button:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.mobile-menu-button:active {
  transform: scale(0.95);
}

@media (max-width: 768px) {
  .mobile-menu-button {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}