/* Annotations: the highlight, the launcher, the panel.
 *
 * Two rules run through this file. Nothing is signalled by colour alone: a
 * highlight is underlined as well as tinted, and an orphaned note carries a
 * word rather than a shade. And the reader's own marks must not be mistaken
 * for the book's own emphasis, so they get an underline the book never uses
 * elsewhere.
 */

/* --- the highlight -------------------------------------------------------- */

article.yue mark.eb-annot {
  background: color-mix(in srgb, var(--eb-accent) 16%, transparent);
  color: inherit;
  padding: 0 0.05em;
  border-radius: 2px;
  text-decoration: underline;
  text-decoration-style: wavy;
  text-decoration-thickness: from-font;
  text-decoration-color: var(--eb-accent);
  text-underline-offset: 0.22em;
  cursor: pointer;
}

/* A highlight with a note behind it is not the same object as a bare
 * highlight, and the difference is legible without colour. */
article.yue mark.eb-annot--noted {
  text-decoration-style: solid;
  text-decoration-thickness: 2px;
}

article.yue mark.eb-annot:focus-visible {
  outline: 2px solid var(--eb-accent);
  outline-offset: 2px;
}

/* The note text, in the document for assistive technology, out of the way
 * visually. Not display:none, which would remove it from the accessibility
 * tree along with everything else. */
.eb-note-desc {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.eb-annot-live {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* --- the launcher --------------------------------------------------------- */

.eb-annot-launcher {
  position: fixed;
  right: 1.1rem;
  bottom: 4.1rem; /* above the Ask launcher */
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--eb-surface-edge);
  border-radius: 999px;
  background: var(--eb-surface);
  color: var(--eb-fg);
  font-family: var(--eb-sans);
  font-size: 0.85rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08), 0 6px 18px rgba(0, 0, 0, 0.08);
  cursor: pointer;
}

.eb-annot-launcher:hover {
  border-color: var(--eb-accent);
}

.eb-annot-launcher__count {
  min-width: 1.4em;
  padding: 0.02rem 0.3rem;
  border-radius: 999px;
  background: var(--eb-accent-quiet);
  color: var(--eb-accent);
  font-family: var(--eb-mono);
  font-size: 0.75rem;
  text-align: center;
}

/* --- the panel ------------------------------------------------------------ */

/* A side panel rather than a modal: a reader annotating is reading at the
 * same time, and a dialog over the text would hide the thing being noted.
 * Hence aria-modal="false" in the markup, and no scrim. */
.eb-annot-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  width: min(100%, 26rem);
  overflow-y: auto;
  padding: 1rem 1.1rem 2rem;
  border-left: 1px solid var(--eb-surface-edge);
  background: var(--eb-panel, var(--eb-surface));
  box-shadow: -8px 0 30px rgba(0, 0, 0, 0.18);
  font-family: var(--eb-sans);
  font-size: 0.88rem;
  color: var(--eb-fg);
}

.eb-annot-panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.eb-annot-panel__head h2 {
  margin: 0;
  font-size: 1.05rem;
}

.eb-annot-x {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--eb-surface-edge);
  border-radius: 4px;
  background: transparent;
  color: var(--eb-fg-muted);
  font-family: var(--eb-mono);
  font-size: 0.76rem;
  cursor: pointer;
}

.eb-annot-panel__note {
  margin: 0.6rem 0 0.9rem;
  color: var(--eb-fg-muted);
  line-height: 1.5;
}

.eb-annot-add {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.eb-annot-add button,
.eb-annot-form button,
.eb-annot-io button,
.eb-annot-item__row button,
.eb-annot-jump {
  padding: 0.28rem 0.6rem;
  border: 1px solid var(--eb-surface-edge);
  border-radius: 4px;
  background: transparent;
  color: var(--eb-fg);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
}

.eb-annot-add button:hover,
.eb-annot-form button:hover,
.eb-annot-io button:hover,
.eb-annot-item__row button:hover,
.eb-annot-jump:hover {
  border-color: var(--eb-accent);
}

/* --- the form ------------------------------------------------------------- */

.eb-annot-form {
  margin: 0.9rem 0;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--eb-surface-edge);
  border-left: 3px solid var(--eb-accent);
  border-radius: 3px;
  background: var(--eb-surface);
}

.eb-annot-form__quote {
  margin: 0 0 0.6rem;
  padding-left: 0.7rem;
  border-left: 2px solid var(--eb-rule);
  color: var(--eb-fg-muted);
  font-size: 0.84rem;
  line-height: 1.5;
  max-height: 8rem;
  overflow: auto;
}

.eb-annot-form label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.82rem;
  color: var(--eb-fg-muted);
}

.eb-annot-form textarea {
  width: 100%;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--eb-surface-edge);
  border-radius: 4px;
  background: transparent;
  color: var(--eb-fg);
  font: inherit;
  font-size: 0.86rem;
  resize: vertical;
}

.eb-annot-form textarea:focus-visible,
.eb-annot-panel button:focus-visible,
.eb-annot-panel a:focus-visible,
.eb-annot-panel input:focus-visible {
  outline: 2px solid var(--eb-accent);
  outline-offset: 1px;
}

.eb-annot-form__row {
  display: flex;
  gap: 0.45rem;
  margin-top: 0.5rem;
}

/* --- the list ------------------------------------------------------------- */

.eb-annot-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.eb-annot-item {
  padding: 0.7rem 0;
  border-top: 1px solid var(--eb-rule);
}

.eb-annot-item--empty {
  color: var(--eb-fg-muted);
}

.eb-annot-item__where {
  margin: 0 0 0.4rem;
  font-size: 0.8rem;
  color: var(--eb-fg-muted);
}

.eb-annot-item__where a {
  color: var(--eb-accent);
}

/* An orphan is labelled, and only then also tinted. */
.eb-annot-item__flag {
  margin-left: 0.5rem;
  padding: 0.03rem 0.35rem;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-family: var(--eb-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.eb-annot-item--orphan .eb-annot-item__flag {
  color: #bf3989;
}

.eb-annot-item--orphan blockquote {
  opacity: 0.75;
}

.eb-annot-item blockquote {
  margin: 0 0 0.4rem;
  padding-left: 0.7rem;
  border-left: 2px solid var(--eb-accent);
  font-size: 0.85rem;
  line-height: 1.5;
}

.eb-annot-item__body {
  margin: 0 0 0.4rem;
  line-height: 1.5;
  white-space: pre-wrap;
}

.eb-annot-item__row {
  display: flex;
  gap: 0.4rem;
}

/* --- export and import --------------------------------------------------- */

.eb-annot-io {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin-top: 1.2rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--eb-rule);
}

.eb-annot-import {
  padding: 0.28rem 0.6rem;
  border: 1px dashed var(--eb-surface-edge);
  border-radius: 4px;
  font-size: 0.82rem;
  cursor: pointer;
}

.eb-annot-import input {
  display: block;
  margin-top: 0.35rem;
  max-width: 100%;
  font-size: 0.78rem;
}

/* On a narrow screen the panel takes the screen, so the page underneath
 * must not scroll behind it. */
@media (max-width: 640px) {
  .eb-annot-panel {
    width: 100%;
    border-left: 0;
  }
  html.eb-annot-open body {
    overflow: hidden;
  }
  .eb-annot-launcher__label {
    display: none;
  }
}

/* Print keeps the highlights, drops the machinery. A reader who printed a
 * chapter they had annotated should see their marks. */
@media print {
  .eb-annot-launcher,
  .eb-annot-panel {
    display: none !important;
  }
  article.yue mark.eb-annot {
    background: transparent;
    text-decoration: underline;
    text-decoration-thickness: 1px;
  }
  .eb-note-desc {
    position: static;
    width: auto;
    height: auto;
    margin: 0 0 0 0.4em;
    clip-path: none;
    white-space: normal;
    overflow: visible;
    font-style: italic;
    color: #444;
  }
}