/* Palette follows harp-tech.org: the docfx modern (Bootstrap) neutrals with the Harp logo blue. */
:root {
  --brand: #009de1;
  --brand-text: #0073a8;
  --brand-hover: #005f8a;
  --primary-bg: #0073a8;
  --primary-hover: #005f8a;
  --primary-fg: #ffffff;
  --bg: #ffffff;
  --surface: #f8f9fa;
  --surface-2: #e9ecef;
  --border: #dee2e6;
  --text: #212529;
  --muted: #5c636a;
  --ok: #198754;
  --ok-bg: #d1e7dd;
  --warn: #997404;
  --warn-bg: #fff3cd;
  --error: #b02a37;
  --error-bg: #f8d7da;
  --focus: 0 0 0 3px rgba(0, 157, 225, 0.35);
  --code-keyword: #cf222e;
  --code-string: #0a3069;
  --code-comment: #6e7781;
  --code-number: #0550ae;
  --code-title: #8250df;
  --code-type: #953800;
  --code-meta: #116329;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "Cascadia Code", Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --brand: #33b5ee;
    --brand-text: #5cc4f2;
    --brand-hover: #8ad5f6;
    --primary-bg: #33b5ee;
    --primary-hover: #8ad5f6;
    --primary-fg: #0b1a22;
    --bg: #212529;
    --surface: #2b3035;
    --surface-2: #343a40;
    --border: #495057;
    --text: #dee2e6;
    --muted: #adb5bd;
    --ok: #75b798;
    --ok-bg: #0f2c1f;
    --warn: #ffda6a;
    --warn-bg: #332701;
    --error: #ea868f;
    --error-bg: #2c0b0e;
    --code-keyword: #ff7b72;
    --code-string: #a5d6ff;
    --code-comment: #8b949e;
    --code-number: #79c0ff;
    --code-title: #d2a8ff;
    --code-type: #ffa657;
    --code-meta: #7ee787;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --brand: #33b5ee;
  --brand-text: #5cc4f2;
  --brand-hover: #8ad5f6;
  --primary-bg: #33b5ee;
  --primary-hover: #8ad5f6;
  --primary-fg: #0b1a22;
  --bg: #212529;
  --surface: #2b3035;
  --surface-2: #343a40;
  --border: #495057;
  --text: #dee2e6;
  --muted: #adb5bd;
  --ok: #75b798;
  --ok-bg: #0f2c1f;
  --warn: #ffda6a;
  --warn-bg: #332701;
  --error: #ea868f;
  --error-bg: #2c0b0e;
  --code-keyword: #ff7b72;
  --code-string: #a5d6ff;
  --code-comment: #8b949e;
  --code-number: #79c0ff;
  --code-title: #d2a8ff;
  --code-type: #ffa657;
  --code-meta: #7ee787;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 var(--font);
}

a {
  color: var(--brand-text);
}

a:hover {
  color: var(--brand-hover);
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

/* Boot screen shown while the runtime downloads. */
.boot {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.boot-title {
  font-size: 20px;
  font-weight: 600;
}

.boot-bar {
  width: 220px;
  height: 4px;
  border-radius: 2px;
  background: var(--surface-2);
  overflow: hidden;
}

.boot-bar > div {
  height: 100%;
  width: var(--blazor-load-percentage, 0%);
  background: var(--brand);
  transition: width 0.15s ease-out;
}

.boot-text {
  color: var(--muted);
  font-size: 13px;
}

/* App shell */
.shell {
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

.navbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  height: 56px;
  flex: none;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.embedded .navbar {
  display: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 18px;
}

.brand:hover {
  color: var(--text);
}

.brand img {
  width: 40px;
  height: 40px;
}

.brand-divider {
  width: 1px;
  height: 22px;
  background: var(--border);
}

.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
}

.nav-links a:hover {
  color: var(--text);
  background: var(--surface);
}

.nav-links svg {
  display: block;
  width: 20px;
  height: 20px;
}

/* Buttons and inputs */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  white-space: nowrap;
  cursor: pointer;
}

.btn:hover:not(:disabled) {
  background: var(--surface-2);
}

.btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.btn-primary {
  background: var(--primary-bg);
  border-color: var(--primary-bg);
  color: var(--primary-fg);
  font-weight: 500;
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-icon {
  width: 32px;
  padding: 0;
  justify-content: center;
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.btn-ghost:hover:not(:disabled) {
  color: var(--text);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex: none;
}

select.btn {
  padding-right: 8px;
}

.field {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
}

.field input[type="text"] {
  height: 32px;
  width: 200px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: 14px var(--mono);
}

.field input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--brand-text);
}

/* Workspace: editor on the left, output on the right. */
.workspace {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
}

.pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
}

.pane + .pane {
  border-left: 1px solid var(--border);
}

.toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 12px;
  min-height: 49px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.toolbar .spacer {
  flex: 1;
}

.pane-title {
  font-weight: 600;
  font-size: 14px;
  margin-right: 4px;
}

/* Editor (CodeMirror 5, themed with the page tokens) */
.editor {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  background: var(--bg);
}

.editor-host {
  flex: 1;
  min-width: 0;
  min-height: 0;
}

.editor-host .CodeMirror {
  height: 100%;
  font: 13px/20px var(--mono);
  background: var(--bg);
  color: var(--text);
}

.editor-host .CodeMirror-gutters {
  background: var(--surface);
  border-right: 1px solid var(--border);
}

.editor-host .CodeMirror-linenumber {
  color: var(--muted);
  padding: 0 8px 0 4px;
}

.editor-host .CodeMirror-cursor {
  border-left-color: var(--text);
}

.editor-host .CodeMirror-selected,
.editor-host .CodeMirror-focused .CodeMirror-selected {
  background: color-mix(in srgb, var(--brand) 25%, transparent);
}

.editor-host .CodeMirror-activeline-background {
  background: color-mix(in srgb, var(--surface-2) 60%, transparent);
}

.editor-host .CodeMirror-focused {
  box-shadow: inset 0 0 0 2px rgba(0, 157, 225, 0.35);
}

.editor-host .diagnostics {
  width: 14px;
}

.diagnostic-marker {
  color: var(--error);
  font-size: 10px;
  padding-left: 3px;
  cursor: default;
}

.editor-host .line-error {
  background: color-mix(in srgb, var(--error-bg) 70%, transparent);
}

.cm-s-default .cm-atom {
  color: var(--code-title);
}

.cm-s-default .cm-string {
  color: var(--code-string);
}

.cm-s-default .cm-comment {
  color: var(--code-comment);
}

.cm-s-default .cm-number {
  color: var(--code-number);
}

.cm-s-default .cm-keyword {
  color: var(--code-keyword);
}

.cm-s-default .cm-meta,
.cm-s-default .cm-def {
  color: var(--code-meta);
}

.cm-s-default .cm-variable-2 {
  color: var(--code-type);
}

/* Completion popup */
.CodeMirror-hints {
  z-index: 40;
  max-width: 440px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  font: 13px var(--mono);
}

.CodeMirror-hint {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--text);
  white-space: normal;
}

li.CodeMirror-hint-active {
  background: color-mix(in srgb, var(--brand) 18%, var(--bg));
  color: var(--text);
}

.hint-detail {
  font: 12px var(--font);
  color: var(--muted);
}

.empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
  pointer-events: none;
}

.empty > * {
  pointer-events: auto;
}

.empty h2 {
  margin: 0;
  color: var(--text);
  font-size: 18px;
  font-weight: 600;
}

.empty p {
  margin: 0;
  max-width: 340px;
}

.empty .actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.kbd {
  font: 12px var(--mono);
  padding: 1px 5px;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--surface);
}

/* Status bar under the editor */
.status {
  flex: none;
  max-height: 40%;
  overflow: auto;
  border-top: 1px solid var(--border);
  font-size: 13px;
}

.status-line {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
}

.status-ok {
  background: var(--ok-bg);
  color: var(--ok);
}

.status-error {
  background: var(--error-bg);
  color: var(--error);
}

.status-warn {
  background: var(--warn-bg);
  color: var(--warn);
}

.status-line svg {
  width: 16px;
  height: 16px;
  flex: none;
}

.status-line .detail {
  color: var(--text);
  opacity: 0.85;
}

button.status-line {
  width: 100%;
  border: 0;
  border-top: 1px solid var(--border);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

button.status-line:first-child {
  border-top: 0;
}

button.status-line:hover {
  filter: brightness(0.97);
}

.loc {
  font-family: var(--mono);
  font-size: 12px;
  opacity: 0.8;
  white-space: nowrap;
}

/* Output */
.tab-bar {
  flex-wrap: nowrap;
}

.tabs {
  flex: 1;
  min-width: 0;
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
}

.tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font: 13px var(--mono);
  white-space: nowrap;
  cursor: pointer;
}

.tab:hover {
  color: var(--text);
  background: var(--surface-2);
}

.tab[aria-selected="true"] {
  color: var(--text);
  background: var(--bg);
  border-color: var(--border);
}

.output {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: auto;
  background: var(--bg);
}

.output.stale .code {
  opacity: 0.45;
}

.code {
  margin: 0;
  padding: 12px 16px;
  white-space: pre;
  color: var(--text);
  font: 13px/20px var(--mono);
  tab-size: 2;
}

.stale-note {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 6px 16px;
  font-size: 13px;
  background: var(--warn-bg);
  color: var(--warn);
  border-bottom: 1px solid var(--border);
}

.file-meta {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  padding: 8px 14px;
  border-radius: 6px;
  background: var(--text);
  color: var(--bg);
  font-size: 14px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  z-index: 20;
}

/* Segmented control, used for the metadata files and the output languages */
.segmented {
  display: inline-flex;
  padding: 2px;
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
}

.segmented button {
  height: 26px;
  padding: 0 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font: 500 13px var(--font);
  white-space: nowrap;
  cursor: pointer;
}

.segmented button:hover:not(:disabled) {
  color: var(--text);
}

.segmented button[aria-selected="true"],
.segmented button[aria-checked="true"] {
  background: var(--bg);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

.segmented button:disabled {
  opacity: 0.45;
  cursor: default;
}

.device-select {
  max-width: 220px;
}

/* Badge dialog */
.dialog {
  width: min(560px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0;
}

.dialog-header h2 {
  margin: 0;
  font-size: 18px;
}

.dialog-lead {
  margin: 4px 0 16px;
  color: var(--muted);
}

.dialog-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
  font-size: 14px;
}

.dialog-field > span {
  color: var(--muted);
}

.dialog-field input {
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: 13px var(--mono);
}

.dialog-field .segmented {
  align-self: flex-start;
}

.badge-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  padding: 16px;
  margin-bottom: 14px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.badge-preview .muted {
  opacity: 0.5;
}

.snippet {
  margin-bottom: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.snippet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 6px 6px 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
}

.snippet pre {
  margin: 0;
  padding: 10px 12px;
  overflow-x: auto;
  font: 12px/18px var(--mono);
  white-space: pre;
}

/* Drop overlay */
.drop-overlay {
  display: none;
}

.dragging .drop-overlay {
  display: flex;
  position: fixed;
  inset: 12px;
  z-index: 30;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--brand);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg) 88%, var(--brand));
  color: var(--text);
  font-size: 20px;
  font-weight: 600;
  pointer-events: none;
}

/* Syntax highlighting tokens (highlight.js) */
.hljs-keyword,
.hljs-built_in,
.hljs-literal {
  color: var(--code-keyword);
}

.hljs-string,
.hljs-regexp {
  color: var(--code-string);
}

.hljs-comment,
.hljs-doctag,
.hljs-quote {
  color: var(--code-comment);
  font-style: normal;
}

.hljs-number {
  color: var(--code-number);
}

.hljs-title,
.hljs-title.function_ {
  color: var(--code-title);
}

.hljs-type,
.hljs-title.class_,
.hljs-params {
  color: var(--code-type);
}

.hljs-params {
  color: inherit;
}

.hljs-meta,
.hljs-attr,
.hljs-attribute {
  color: var(--code-meta);
}

/* Narrow screens: stack the panes. */
@media (max-width: 860px) {
  .workspace {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(260px, 45%) minmax(0, 1fr);
  }

  .pane + .pane {
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .hide-narrow {
    display: none;
  }

  .field input[type="text"] {
    width: 150px;
  }
}

#blazor-error-ui {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--error-bg);
  color: var(--error);
  border-top: 1px solid var(--border);
}

#blazor-error-ui .dismiss {
  cursor: pointer;
  position: absolute;
  right: 16px;
  top: 10px;
}