@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&family=JetBrains+Mono&display=swap");

:root {
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mobile-nav-height: 45px;

  /* Light theme */
  --wikit-light-bg: #ffffff;
  --wikit-light-bg-highlight: #cbcfd3;
  --wikit-light-text: #24292e;
  --wikit-light-text-secondary: #6a737d;
  --wikit-light-link: #0366d6;
  --wikit-light-border: #e1e4e8;
  --wikit-light-code: #f6f8fa;
  --wikit-light-surface: #f6f8fa;
  --wikit-light-surface-hover: #e1e4e8;
  --wikit-light-accent: #0366d6;
  --wikit-light-added: #487e02;
  --wikit-light-modified: #895503;
  --wikit-light-deleted: #ad0707;

  /* Dark theme */
  --wikit-dark-bg: #1e1e1e;
  --wikit-dark-bg-highlight: #454548;
  --wikit-dark-text: #cccccc;
  --wikit-dark-text-secondary: #858585;
  --wikit-dark-link: #3794ff;
  --wikit-dark-border: #3e3e42;
  --wikit-dark-code: #1e1e1e;
  --wikit-dark-surface: #252526;
  --wikit-dark-surface-hover: #2a2d2e;
  --wikit-dark-accent: #3794ff;
  --wikit-dark-added: #89d185;
  --wikit-dark-modified: #e2c08d;
  --wikit-dark-deleted: #f48771;

  /* Active theme (light by default) */
  --bg-primary: var(--wikit-light-bg);
  --bg-secondary: var(--wikit-light-surface);
  --bg-highlight: var(--wikit-light-bg-highlight);
  --bg-hover: var(--wikit-light-surface-hover);
  --bg-code: var(--wikit-light-code);
  --bg-surface: var(--wikit-light-surface);
  --bg-surface-hover: var(--wikit-light-surface-hover);
  --text-primary: var(--wikit-light-text);
  --text-secondary: var(--wikit-light-text-secondary);
  --link-color: var(--wikit-light-link);
  --border-color: var(--wikit-light-border);
  --accent: var(--wikit-light-accent);
  --color-added: var(--wikit-light-added);
  --color-modified: var(--wikit-light-modified);
  --color-deleted: var(--wikit-light-deleted);
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Active theme (dark when preferred) */
    --bg-primary: var(--wikit-dark-bg);
    --bg-secondary: var(--wikit-dark-surface);
    --bg-highlight: var(--wikit-dark-bg-highlight);
    --bg-hover: var(--wikit-dark-surface-hover);
    --bg-code: var(--wikit-dark-code);
    --bg-surface: var(--wikit-dark-surface);
    --bg-surface-hover: var(--wikit-dark-surface-hover);
    --text-primary: var(--wikit-dark-text);
    --text-secondary: var(--wikit-dark-text-secondary);
    --link-color: var(--wikit-dark-link);
    --border-color: var(--wikit-dark-border);
    --accent: var(--wikit-dark-accent);
    --color-added: var(--wikit-dark-added);
    --color-modified: var(--wikit-dark-modified);
    --color-deleted: var(--wikit-dark-deleted);
  }
}

/* https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/Heading_Elements#specifying_a_uniform_font_size_for_h1 */
:where(h1) {
  margin-block: 0.67em;
  font-size: 2em;
}

@media (min-width: 769px) {
  #edit-commit {
    > header {
      display: none !important;
    }

    > .controls {
      width: 240px;
    }
  }
}

@media (max-width: 768px) {
  .tabs {
    > li {
      border-top: none !important;

      &:first-child {
        border-left: none !important;
      }

      &:last-child {
        border-right: none !important;
      }
    }
  }

  #tab-exit {
    display: none;
  }

  #edit-commit {
    > .controls {
      order: -1;
      width: 100%;
    }

    > #editor-host,
    > #commit-host,
    > .controls {
      padding-top: calc(var(--mobile-nav-height) + 1px);
      height: 100vh;
    }

    &:not([data-target="controls"]) {
      > header > .for-controls,
      > .controls {
        display: none !important;
      }
    }

    &:not([data-target="monaco"]) {
      > header > .for-monaco,
      #editor-host,
      #commit-host {
        display: none !important;
      }
    }
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
}

html,
body,
#loading,
#content,
#edit-commit {
  height: 100%;
}

.std-font {
  font-family: var(--font);
}

html:not(.has-file-edits) #revert-button {
  display: none;
}

html.loading .modal:not(.mode-loading),
html.browsing .modal:not(.mode-browsing),
html.editing .modal:not(.mode-editing),
html.creating .modal:not(.mode-creating),
html.committing .modal:not(.mode-committing) {
  display: none !important;
}

.flex-row {
  display: flex;
  flex-flow: row;
  width: 100%;
}

.flex-column {
  display: flex;
  flex-flow: column;
  height: 100%;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.list-view {
  display: flex;
  flex-flow: column;
  list-style: none;
  padding: 0;
  margin: 0;
  overflow-y: auto;

  > li {
    padding: 4px 8px;
    cursor: pointer;
    user-select: none;
  }
}

.tabs {
  height: 30px;
  display: flex;
  flex-flow: row;
  list-style: none;
  padding: 0;
  margin: 0;
  overflow-y: auto;

  > li {
    padding: 4px;
    cursor: pointer;
    user-select: none;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    margin-left: -1px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  > li:hover {
    background: var(--bg-hover);
  }

  > li.active-tab {
    background: var(--bg-primary);
    border-bottom-color: var(--bg-primary);
  }

  > li:not(.tab-button) {
    flex: 1;
  }

  > li.tab-button {
    aspect-ratio: 1 / 1;
  }
}

.toolbar {
  display: flex;
  flex-flow: row;
  gap: 2px;
  padding: 2px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-code);
  list-style: none;
  margin: 0;
  height: 30px;

  > li {
    padding: 4px;
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
  }

  > li:is(:hover, .active) {
    background: var(--bg-surface-hover);
  }
}

.context-menu {
  position: absolute;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  padding: 4px 0;
  min-width: 160px;
  z-index: 1000;
  list-style: none;
  margin: 0;

  .item {
    padding: 4px 12px;
    cursor: pointer;
    user-select: none;
    color: var(--text-primary);
  }

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

  .separator {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
  }
}

#editor-file-menu {
  &:not([data-path]) {
    display: none;
  }

  &:not([data-status]) .item.when-modified {
    display: none;
  }

  &[data-status="created"] .item.not-when-created {
    display: none;
  }

  &[data-parent="commit-files"] .item.not-when-committing {
    display: none;
  }
}

/* Don't do weird bullshit with margins. */
html,
body,
html.browsing #content {
  display: flow-root;
}

#loading {
  &.error .spinner,
  &.login .spinner {
    display: none;
  }

  &:not(.login) #login-button,
  &:not(.login) #login-back {
    display: none;
  }

  &:not(.error) #loading-error {
    display: none;
  }
}

html:not(.public) #login-back {
  display: none;
}

#loading-error {
  color: hsl(0, 60%, 35%);
  font-weight: bold;
  font-size: 1.5em;
}

#login-button,
#login-back {
  padding: 6px 12px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1em;
}

#login-button {
  background: var(--accent);
  color: white;
}

#login-back {
  margin-left: 1em;
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

#login-button:hover,
#login-back:hover {
  opacity: 0.9;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--bg-surface);
  border-top: 4px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

#edit-commit {
  background: var(--bg-primary);

  header {
    position: fixed;
    top: 0;
    z-index: 999;
    width: 100vw;
    height: var(--mobile-nav-height);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 4px 8px;
    background: var(--bg-primary);
    font-size: 1.25em;
    font-family: var(--font);

    a {
      color: var(--text-secondary);
      text-decoration: none;

      > .arrow {
        display: inline-block;
        transform: translateY(-0.05em) scale(0.8);
      }
    }
  }

  > .controls {
    display: flex;
    flex-flow: column;
    background: var(--bg-code);
    border-left: 1px solid var(--border-color);
  }
}

#editor-host,
#commit-host {
  overflow: hidden;
  flex: 1;
}

#editor-files,
#commit-files {
  margin-top: 8px;

  > :nth-child(2n + 1) {
    background-color: var(--bg-primary);
  }

  > :is(:hover, .selected) {
    background-color: var(--bg-surface-hover);
  }

  > li {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  > ::after {
    margin-left: 16px;
    font-size: 0.9rem;
  }

  > [data-status="created"]::after {
    content: "A";
    color: var(--color-added);
  }

  > [data-status="modified"]::after {
    content: "M";
    color: var(--color-modified);
  }

  > [data-status="deleted"]::after {
    content: "D";
    color: var(--color-deleted);
  }
}

#editor-files.only-pages {
  > [data-title] {
    font-size: 0;
  }

  > [data-title]::before {
    content: attr(data-title);
    font-size: 1rem;
  }

  > :not([data-path$=".md"]):not([data-status]) {
    display: none;
  }
}

#commit-message {
  min-height: 60px;
  resize: vertical;
  padding: 8px;
  font-family: inherit;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 3px;
}

#commit-error {
  color: var(--color-deleted);

  &:empty {
    display: none;
  }
}

#commit-buttons {
  gap: 8px;

  button {
    flex: 1;
    padding: 3px;
    cursor: pointer;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
  }

  button:hover {
    background: var(--bg-surface-hover);
  }

  #commit-submit:not([disabled]) {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
  }

  #commit-submit[disabled] {
    pointer-events: none;
    cursor: none;
  }

  #commit-submit:not([disabled]):hover {
    opacity: 0.9;
  }
}

#create {
  gap: 16px;
  color: var(--text-primary);
}

#create-button {
  padding: 3px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1em;
}

#create-button:hover {
  opacity: 0.9;
}

#toolbar {
  display: flex;
  flex-flow: column;
  gap: 5px;
}

:not(#wiki-nav) > #toolbar {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 999;
  margin: 5px;
  padding: 5px;
}

#wiki-nav {
  display: flex;
  flex-flow: row;
  justify-content: space-between;
}

#wiki-nav > #toolbar > button {
  border: none;
  border-radius: 0;
}

.icon-button {
  width: 2em;
  height: 2em;
  background: var(--bg-code);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  cursor: pointer;
}

.icon-button:hover {
  background: var(--bg-hover);
}

svg.graphviz {
  :is(g.node, g.cluster) > polygon {
    fill: var(--bg-highlight);
  }

  text {
    font: var(--font) !important;
    font-size: 0.75em !important;
  }
}