/* layout.css - Main application layout */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-background);
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

#pwa-update-notification {
  position: fixed;
  right: calc(20px + env(safe-area-inset-right));
  bottom: calc(20px + env(safe-area-inset-bottom));
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  max-width: min(28rem, calc(100vw - 2rem));
  padding: var(--spacing-md);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

#pwa-update-notification[hidden] {
  display: none;
}

@media (display-mode: standalone) {
  #app-header {
    height: calc(50px + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
  }

  #app-footer {
    height: calc(30px + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
  }
}

#app-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-width: 0;
}

#app-header {
  height: 50px;
  flex: 0 0 auto;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-md);
  z-index: var(--z-index-ui);
}

#sidebar-toggle {
  display: none;
}

#project-controls {
  margin-left: auto;
}

.project-settings {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  flex-wrap: wrap;
  font-size: 0.82rem;
}

#app-main {
  display: flex;
  flex: 1;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

#toolbar-left {
  width: 50px;
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: var(--spacing-sm);
  z-index: var(--z-index-ui);
}

#map-container {
  flex: 1;
  min-width: 0;
  min-height: 0;
  position: relative;
}

.sidebar-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  margin-bottom: var(--spacing-md);
}

.sidebar-tabs button.active {
  color: #fff;
  background: var(--color-primary);
}

.sidebar-panel[hidden] {
  display: none;
}

.numeric-constructor {
  display: grid;
  gap: 6px;
}

#app-footer {
  height: 30px;
  flex: 0 0 auto;
  min-width: 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-md);
  font-size: 0.85rem;
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  z-index: var(--z-index-ui);
}

.status-item {
  flex: 0 0 auto;
  margin-right: var(--spacing-lg);
  color: var(--color-text-muted);
}

#sidebar-right {
  flex: 0 0 300px;
  width: 300px;
  background-color: var(--color-surface);
  border-left: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: var(--spacing-md);
  font-size: 0.9rem;
}

.inspector-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  border-radius: 4px;
}

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

.intersection-list li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.btn-small {
  background-color: var(--color-primary);
  color: white;
  border: none;
  padding: 2px 8px;
  border-radius: 3px;
  cursor: pointer;
  margin-top: 4px;
  font-size: 0.8rem;
}

.btn-small:hover {
  background-color: #0056b3;
}

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-icon:hover {
  opacity: 0.7;
}

.layer-group {
  margin-bottom: var(--spacing-md);
}

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

.layer-objects li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  border-bottom: 1px solid var(--color-border);
}

.history-controls {
  margin-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-md);
}

.inspector-form {
  display: grid;
  gap: 6px;
  margin-top: var(--spacing-sm);
}

.field-row {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.field-row input[type="text"],
.field-row select {
  flex: 1;
  width: 100%;
}

.field-row > input[type="text"] {
  width: calc(50% - 3px);
}

.inspector-actions,
.layer-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: var(--spacing-sm);
}

.layer-checkbox,
.layer-zindex-label {
  font-size: 0.78rem;
}

.layer-zindex {
  width: 48px;
}

.error-message,
#status-warning {
  color: #b42318;
}

/* Project Manager */
.project-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0;
  max-height: 200px;
  overflow-y: auto;
}

.project-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 4px;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
}

.project-item.active {
  background-color: rgba(0, 0, 0, 0.05);
  font-weight: bold;
}

.project-item:hover {
  background-color: rgba(0, 0, 0, 0.03);
}

.project-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-item-actions {
  display: flex;
  gap: 4px;
}

.project-item-actions button {
  padding: 2px 4px;
  font-size: 0.75rem;
}

.project-actions .project-action-icon {
  min-width: 2rem;
  font-size: 1.1rem;
}

.project-item-actions .project-action-icon {
  min-width: 1.75rem;
  font-size: 1rem;
}

.project-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  flex-wrap: wrap;
}


/* Accessibility Focus Styles */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  box-shadow: 0 0 0 3px rgba(0, 114, 227, 0.4);
  outline: none;
}

/* Responsive UI */
@media (max-width: 992px) {
  #app-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "title toggle"
      "exports exports"
      "settings settings";
    gap: var(--spacing-xs) var(--spacing-sm);
    height: auto;
    padding: var(--spacing-sm);
    align-items: center;
  }

  #app-header h1 {
    grid-area: title;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 1.15rem;
  }

  #sidebar-toggle {
    grid-area: toggle;
    display: inline-block;
  }

  #export-menu-container {
    grid-area: exports;
    min-width: 0;
    margin: 0;
  }

  .export-menu {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    width: 100%;
  }

  #project-controls {
    grid-area: settings;
    min-width: 0;
    margin: 0;
    overflow-x: auto;
    overscroll-behavior-x: contain;
  }

  .project-settings {
    width: max-content;
    min-width: 100%;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    white-space: nowrap;
  }

  #app-main {
    flex-direction: column;
    position: relative;
  }
  
  #toolbar-left {
    flex: 0 0 auto;
    width: 100%;
    height: 52px;
    flex-direction: row;
    align-items: center;
    padding: var(--spacing-xs);
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
  }

  #tools-container {
    display: flex;
    flex: 1 1 auto;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
  }

  #tools-container::-webkit-scrollbar {
    display: none;
  }

  #history-container {
    flex: 0 0 auto;
    border-left: 1px solid var(--color-border);
    padding-left: var(--spacing-xs);
  }

  .history-controls {
    display: flex;
    gap: var(--spacing-xs);
    margin: 0;
    padding: 0;
    border: 0;
  }
  
  #sidebar-right {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: var(--z-index-ui);
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--color-border);
    height: min(40dvh, 22rem);
    max-height: calc(100% - 52px);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.12);
  }

  #sidebar-right.collapsed {
    display: none;
  }

  #map-container {
    flex: 1 1 auto;
  }

  #app-footer {
    height: 36px;
    padding-right: calc(var(--spacing-sm) + env(safe-area-inset-right));
    padding-left: calc(var(--spacing-sm) + env(safe-area-inset-left));
  }

  .status-item {
    margin-right: var(--spacing-md);
  }

  #pwa-update-notification {
    right: calc(var(--spacing-sm) + env(safe-area-inset-right));
    bottom: calc(var(--spacing-sm) + env(safe-area-inset-bottom));
    left: calc(var(--spacing-sm) + env(safe-area-inset-left));
    max-width: none;
    flex-wrap: wrap;
  }

  .project-item {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }

  .project-name {
    flex: 1 1 100%;
  }

  .project-item-actions {
    width: 100%;
    flex-wrap: wrap;
  }
}

@media (max-width: 992px) and (max-height: 500px) {
  #app-header {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas:
      "title title toggle"
      "exports settings settings";
  }

  #sidebar-right {
    top: 0;
    right: 0;
    bottom: 0;
    left: auto;
    width: min(70vw, 22rem);
    height: auto;
    max-height: none;
    border-top: none;
    border-left: 1px solid var(--color-border);
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.12);
  }
}