/* Brutalist theme on top of Pico CSS 2 (assets/vendor/pico.min.css). Palette: Cappuccino. */

:root {
  --cream: #f2f5df;
  --yellow: #f7d585;
  --orange: #db903b;
  --mauve: #88617f;
  --rust: #892f1d;
  --brown: #3c0909;

  --font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Cascadia Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --font-display: "Arial Black", "Archivo Black", "Helvetica Neue", Arial, system-ui, sans-serif;
  --shadow: 6px;

  --pico-font-family: var(--font-mono);
  --pico-font-family-sans-serif: var(--font-mono);
  --pico-border-radius: 0;
  --pico-border-width: 3px;
  --pico-outline-width: 3px;
  --pico-form-label-font-weight: 700;
  --pico-transition: 0.08s ease-in-out;
}

/* Same selectors Pico uses for its color schemes, so these win by coming later. */
:root:not([data-theme="dark"]),
[data-theme="light"] {
  --ink: var(--brown);
  --paper: var(--cream);
  --header-bg: var(--yellow);
  --header-ink: var(--brown);

  --pico-background-color: var(--cream);
  --pico-color: var(--brown);
  --pico-muted-color: var(--mauve);
  --pico-muted-border-color: var(--brown);
  --pico-border-color: var(--brown);
  --pico-h1-color: var(--brown);
  --pico-h2-color: var(--brown);
  --pico-h3-color: var(--brown);
  --pico-h4-color: var(--brown);
  --pico-h5-color: var(--brown);
  --pico-h6-color: var(--brown);

  --pico-primary: var(--rust);
  --pico-primary-background: var(--rust);
  --pico-primary-border: var(--brown);
  --pico-primary-underline: var(--rust);
  --pico-primary-hover: var(--brown);
  --pico-primary-hover-background: var(--brown);
  --pico-primary-hover-border: var(--brown);
  --pico-primary-hover-underline: var(--brown);
  --pico-primary-focus: var(--orange);
  --pico-primary-inverse: var(--cream);

  --pico-secondary: var(--brown);
  --pico-secondary-background: var(--mauve);
  --pico-secondary-border: var(--brown);
  --pico-secondary-underline: var(--mauve);
  --pico-secondary-hover: var(--brown);
  --pico-secondary-hover-background: var(--brown);
  --pico-secondary-hover-border: var(--brown);
  --pico-secondary-hover-underline: var(--brown);
  --pico-secondary-focus: var(--orange);
  --pico-secondary-inverse: var(--cream);

  --pico-mark-background-color: var(--yellow);
  --pico-mark-color: var(--brown);
  --pico-code-background-color: var(--yellow);
  --pico-code-color: var(--brown);
  --pico-text-selection-color: rgba(219, 144, 59, 0.45);
  --pico-blockquote-border-color: var(--rust);

  --pico-card-background-color: var(--cream);
  --pico-card-border-color: var(--brown);
  --pico-card-box-shadow: var(--shadow) var(--shadow) 0 var(--brown);
  --pico-card-sectioning-background-color: var(--yellow);

  --pico-form-element-background-color: var(--cream);
  --pico-form-element-selected-background-color: var(--yellow);
  --pico-form-element-border-color: var(--brown);
  --pico-form-element-color: var(--brown);
  --pico-form-element-placeholder-color: var(--mauve);
  --pico-form-element-active-background-color: var(--cream);
  --pico-form-element-active-border-color: var(--brown);
  --pico-form-element-focus-color: var(--orange);
  color-scheme: light;
}

@media only screen and (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --ink: var(--cream);
    --paper: var(--brown);
    --header-bg: var(--rust);
    --header-ink: var(--cream);

    --pico-background-color: var(--brown);
    --pico-color: var(--cream);
    --pico-muted-color: var(--orange);
    --pico-muted-border-color: var(--cream);
    --pico-border-color: var(--cream);
    --pico-h1-color: var(--cream);
    --pico-h2-color: var(--cream);
    --pico-h3-color: var(--cream);
    --pico-h4-color: var(--cream);
    --pico-h5-color: var(--cream);
    --pico-h6-color: var(--cream);

    --pico-primary: var(--yellow);
    --pico-primary-background: var(--yellow);
    --pico-primary-border: var(--cream);
    --pico-primary-underline: var(--yellow);
    --pico-primary-hover: var(--cream);
    --pico-primary-hover-background: var(--cream);
    --pico-primary-hover-border: var(--cream);
    --pico-primary-hover-underline: var(--cream);
    --pico-primary-focus: var(--orange);
    --pico-primary-inverse: var(--brown);

    --pico-secondary: var(--cream);
    --pico-secondary-background: var(--orange);
    --pico-secondary-border: var(--cream);
    --pico-secondary-underline: var(--orange);
    --pico-secondary-hover: var(--cream);
    --pico-secondary-hover-background: var(--cream);
    --pico-secondary-hover-border: var(--cream);
    --pico-secondary-hover-underline: var(--cream);
    --pico-secondary-focus: var(--orange);
    --pico-secondary-inverse: var(--brown);

    --pico-mark-background-color: var(--yellow);
    --pico-mark-color: var(--brown);
    --pico-code-background-color: var(--rust);
    --pico-code-color: var(--cream);
    --pico-text-selection-color: rgba(219, 144, 59, 0.45);
    --pico-blockquote-border-color: var(--orange);

    --pico-card-background-color: var(--brown);
    --pico-card-border-color: var(--cream);
    --pico-card-box-shadow: var(--shadow) var(--shadow) 0 var(--orange);
    --pico-card-sectioning-background-color: var(--rust);

    --pico-form-element-background-color: var(--brown);
    --pico-form-element-selected-background-color: var(--rust);
    --pico-form-element-border-color: var(--cream);
    --pico-form-element-color: var(--cream);
    --pico-form-element-placeholder-color: var(--orange);
    --pico-form-element-active-background-color: var(--brown);
    --pico-form-element-active-border-color: var(--cream);
    --pico-form-element-focus-color: var(--orange);
    color-scheme: dark;
  }
}

[data-theme="dark"] {
  --ink: var(--cream);
  --paper: var(--brown);
  --header-bg: var(--rust);
  --header-ink: var(--cream);
  --pico-background-color: var(--brown);
  --pico-color: var(--cream);
  --pico-muted-color: var(--orange);
  --pico-border-color: var(--cream);
  --pico-h1-color: var(--cream);
  --pico-h2-color: var(--cream);
  --pico-h3-color: var(--cream);
  --pico-primary: var(--yellow);
  --pico-primary-background: var(--yellow);
  --pico-primary-border: var(--cream);
  --pico-primary-hover-background: var(--cream);
  --pico-primary-inverse: var(--brown);
  --pico-secondary: var(--cream);
  --pico-secondary-background: var(--orange);
  --pico-secondary-border: var(--cream);
  --pico-secondary-inverse: var(--brown);
  --pico-form-element-background-color: var(--brown);
  --pico-form-element-border-color: var(--cream);
  --pico-form-element-color: var(--cream);
  color-scheme: dark;
}

/* ---------- Base ---------- */

body {
  background: var(--pico-background-color);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

h1 {
  font-size: clamp(2rem, 7vw, 3.4rem);
  margin-bottom: 0.5rem;
}

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

/* !important because Pico gives form inputs width: 100% with a more specific selector. */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  opacity: 0;
  overflow: hidden;
  clip-path: inset(50%);
}

.lede {
  font-size: 1.05rem;
  max-width: 62ch;
  margin-bottom: 2rem;
}

.hint {
  color: var(--pico-muted-color);
  font-weight: 400;
  font-size: 0.85em;
}

/* ---------- Buttons: hard shadow that "presses" on click ---------- */

button,
[role="button"],
[type="submit"] {
  border: var(--pico-border-width) solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: transform var(--pico-transition), box-shadow var(--pico-transition);
}

button:hover,
[role="button"]:hover {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--ink);
}

button:active,
[role="button"]:active {
  transform: translate(4px, 4px);
  box-shadow: none;
}

button:disabled {
  transform: none;
  box-shadow: none;
}

.outline {
  border-color: var(--ink);
}

/* ---------- Header and footer ---------- */

body > header.site-header {
  padding-block: 0;
  background: var(--header-bg);
  border-bottom: var(--pico-border-width) solid var(--ink);
}

.site-header nav {
  flex-wrap: wrap;
}

.site-header nav ul:last-child {
  flex-wrap: wrap;
}

.site-header a {
  color: var(--header-ink);
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  font-size: 0.9rem;
}

.site-header a:hover {
  text-decoration: underline;
  text-decoration-thickness: 3px;
}

.site-header a[aria-current="page"] {
  background: var(--ink);
  color: var(--paper);
}

.site-header .brand {
  font-family: var(--font-display);
  font-size: 1.05rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.3rem 0.7rem;
  margin: 0;
}

body > footer.site-footer {
  margin-top: 3rem;
  border-top: var(--pico-border-width) solid var(--ink);
  font-size: 0.85rem;
}

/* ---------- Tool box ---------- */

.app {
  border: var(--pico-border-width) solid var(--ink);
  box-shadow: var(--shadow) var(--shadow) 0 var(--ink);
  background: var(--paper);
  padding: 1.25rem;
  margin-bottom: 3rem;
}

.drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 210px;
  border: var(--pico-border-width) dashed var(--ink);
  cursor: pointer;
  text-align: center;
  padding: 1.5rem;
  margin: 0;
}

.drop:hover,
.drop.dragging,
.drop:focus-within {
  border-style: solid;
  background: var(--yellow);
  color: var(--brown);
}

.drop[hidden] {
  display: none;
}

.drop.busy {
  cursor: progress;
  background: repeating-linear-gradient(45deg, var(--yellow) 0 12px, transparent 12px 24px);
}

.drop-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 4vw, 1.6rem);
  text-transform: uppercase;
  color: var(--pico-primary);
}

.drop:hover .drop-title,
.drop.dragging .drop-title,
.drop:focus-within .drop-title,
.drop:hover .drop-sub,
.drop.dragging .drop-sub,
.drop:focus-within .drop-sub {
  color: var(--brown);
}

.drop-sub {
  color: var(--pico-muted-color);
}

.status {
  margin: 1rem 0 0;
  font-weight: 700;
}

.status:empty {
  display: none;
}

.drop[hidden] + .status {
  margin-top: 0;
}

.status[data-kind="ok"],
.status[data-kind="saved"],
.status[data-kind="error"] {
  border: var(--pico-border-width) solid var(--ink);
  padding: 0.6rem 0.8rem;
}

.status[data-kind="ok"],
.status[data-kind="saved"] {
  background: var(--yellow);
  color: var(--brown);
}

/* A finished download gets Captain EPUB's thumbs-up. */
.status[data-kind="saved"] {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  box-shadow: var(--shadow) var(--shadow) 0 var(--ink);
}

.status[data-kind="saved"]::before {
  content: "";
  flex: 0 0 64px;
  height: 64px;
  background: url("/assets/mascot/captain-epub-success.svg") center / contain no-repeat;
}

.status[data-kind="error"] {
  background: var(--rust);
  color: var(--cream);
}

/* ---------- Metadata and cover editor ---------- */

.editor {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.editor[hidden] {
  display: none;
}

.cover-frame {
  aspect-ratio: 2 / 3;
  border: var(--pico-border-width) solid var(--ink);
  background: repeating-linear-gradient(-45deg, transparent 0 10px, rgba(136, 97, 127, 0.15) 10px 20px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cover-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.cover-col [role="button"] {
  width: 100%;
  margin-top: 0.75rem;
}

.fields {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.fields label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin: 0;
}

.fields input:not([type="checkbox"]),
.fields select,
.fields textarea {
  margin-bottom: 0;
}

.row {
  display: flex;
  gap: 0.9rem;
}

.row > label {
  flex: 1;
}

.row > .narrow {
  flex: 0 0 110px;
}

.fields .check,
.check {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  font-weight: 400;
  font-size: 0.9rem;
}

.check[hidden] {
  display: none;
}

.check input {
  margin: 0;
}

.actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.actions button {
  width: auto;
  margin: 0;
}

/* ---------- Images to EPUB ---------- */

.builder {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.builder[hidden] {
  display: none;
}

.pages-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.pages-head [role="button"],
.pages-head button {
  margin: 0;
  width: auto;
}

.pages {
  list-style: none;
  margin: 0;
  padding: 0.25rem 0.5rem 0.5rem 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.9rem;
  max-height: 440px;
  overflow-y: auto;
}

.pages li {
  list-style: none;
}

.page-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border: var(--pico-border-width) solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  padding: 0.4rem;
  background: var(--paper);
  margin: 0;
}

.page-item img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: contain;
  background: rgba(136, 97, 127, 0.15);
}

.page-name {
  font-size: 0.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-actions {
  display: flex;
  gap: 0.3rem;
}

.page-actions button {
  flex: 1;
  margin: 0;
  padding: 0.1rem 0;
  font-size: 0.85rem;
  border-width: 2px;
  box-shadow: none;
  background: var(--paper);
  color: var(--ink);
}

.page-actions button:hover {
  background: var(--yellow);
  color: var(--brown);
  transform: none;
  box-shadow: none;
}

/* ---------- Home cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0 3rem;
}

.card {
  display: block;
  border: var(--pico-border-width) solid var(--ink);
  box-shadow: var(--shadow) var(--shadow) 0 var(--ink);
  background: var(--paper);
  padding: 1.25rem;
  /* Pico re-points --pico-color to the link color inside <a>; reset it for the card text. */
  --pico-color: var(--ink);
  color: var(--ink);
  text-decoration: none;
  transition: transform var(--pico-transition), box-shadow var(--pico-transition);
}

.card:hover {
  background: var(--yellow);
  transform: translate(-2px, -2px);
  box-shadow: calc(var(--shadow) + 2px) calc(var(--shadow) + 2px) 0 var(--ink);
}

.card h2,
.card h3 {
  margin: 0 0 0.5rem;
  padding: 0;
  border: 0;
  font-size: 1.3rem;
  color: var(--pico-primary);
}

.card p {
  margin: 0;
}

.card:hover h2,
.card:hover h3,
.card:hover p {
  color: var(--brown);
}

/* ---------- Long-form content ---------- */

.content {
  max-width: 72ch;
}

.content h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  padding-bottom: 0.3rem;
  border-bottom: var(--pico-border-width) solid var(--ink);
}

.content h3 {
  font-size: 1.05rem;
  margin-top: 1.5rem;
  margin-bottom: 0.4rem;
}

/* ---------- Blog ---------- */

nav[aria-label="breadcrumb"] {
  font-size: 0.85rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.post-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 3rem;
  display: grid;
  gap: 1.5rem;
}

.post-list li {
  list-style: none;
}

.post-card h2 {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
}

.post-meta {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--pico-muted-color);
  margin-bottom: 0.5rem;
}

.card .post-meta {
  color: var(--ink);
  opacity: 0.8;
}

/* Pico draws every <article> as a card; a blog post reads better as plain text. */
article.post {
  max-width: 72ch;
  padding: 0;
  background: none;
  box-shadow: none;
}

.post .lede {
  font-size: 1.1rem;
}

.post h2 {
  font-size: clamp(1.3rem, 3.5vw, 1.7rem);
  margin-top: 2.75rem;
  padding-bottom: 0.3rem;
  border-bottom: var(--pico-border-width) solid var(--ink);
}

.post h3 {
  font-size: 1.1rem;
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
}

.post li {
  margin-bottom: 0.4rem;
}

.toc {
  border: var(--pico-border-width) solid var(--ink);
  background: var(--yellow);
  color: var(--brown);
  padding: 1rem 1.25rem 0.5rem;
  margin: 1.5rem 0 2rem;
  --pico-color: var(--brown);
  --pico-primary: var(--rust);
}

.toc strong {
  display: block;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.toc ol {
  margin-bottom: 0.5rem;
}

.toc a {
  color: var(--rust);
}

.callout {
  border: var(--pico-border-width) solid var(--ink);
  border-left-width: 12px;
  padding: 0.9rem 1.1rem;
  margin: 1.5rem 0;
}

.callout > :last-child {
  margin-bottom: 0;
}

.callout.warning {
  border-left-color: var(--rust);
}

.callout.tip {
  border-left-color: var(--orange);
}

.cta {
  border: var(--pico-border-width) solid var(--ink);
  box-shadow: var(--shadow) var(--shadow) 0 var(--ink);
  background: var(--yellow);
  color: var(--brown);
  padding: 1.25rem;
  margin: 2rem 0;
  --pico-color: var(--brown);
}

.cta h2,
.cta h3,
.cta p {
  color: var(--brown);
  border: 0;
  margin-top: 0;
  padding: 0;
}

.cta [role="button"] {
  --pico-primary-background: var(--rust);
  --pico-primary-inverse: var(--cream);
  --ink: var(--brown);
  margin: 0.25rem 0.75rem 0 0;
}

.post .overflow-auto {
  margin: 1.5rem 0;
  border: var(--pico-border-width) solid var(--ink);
}

.post table {
  margin: 0;
  font-size: 0.9rem;
}

.post th,
.post td {
  border-bottom: 2px solid var(--ink);
  vertical-align: top;
}

.post thead th {
  background: var(--yellow);
  color: var(--brown);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.post tbody th {
  font-weight: 700;
}

.post tbody tr:last-child td,
.post tbody tr:last-child th {
  border-bottom: 0;
}

.post .cards {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: 1rem;
}

/* ---------- Small screens ---------- */

@media (max-width: 640px) {
  .editor {
    grid-template-columns: 1fr;
  }

  .cover-col {
    max-width: 240px;
  }

  .row {
    flex-direction: column;
  }

  .row > .narrow {
    flex: 1;
  }

  .app {
    padding: 0.9rem;
    box-shadow: 4px 4px 0 var(--ink);
  }
}

/* ---------- Mascot: Captain EPUB ---------- */

.site-header .brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.brand img {
  width: 34px;
  height: 34px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin: 0.5rem 0 1rem;
}

.hero h1 {
  margin-top: 0;
}

.hero-art {
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-art img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--pico-border-width) solid var(--ink);
  box-shadow: var(--shadow) var(--shadow) 0 var(--ink);
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .hero-art {
    max-width: 480px;
  }
}

/* ---------- Article illustrations ---------- */

.post-figure {
  margin: 1.5rem 0 2rem;
  max-width: 460px;
}

.post-figure img,
.post-card img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--pico-border-width) solid var(--ink);
}

.post-figure img {
  box-shadow: var(--shadow) var(--shadow) 0 var(--ink);
}

.post-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  column-gap: 1.5rem;
  align-items: center;
}

.post-card img {
  grid-row: 1 / span 3;
}

.post-card > :not(img) {
  grid-column: 2;
}

@media (max-width: 640px) {
  .post-card {
    grid-template-columns: 1fr;
  }

  .post-card img {
    grid-row: auto;
    max-width: 320px;
    margin-bottom: 1rem;
  }

  .post-card > :not(img) {
    grid-column: auto;
  }
}

/* ---------- About page: comic ---------- */

.comic-masthead {
  --pico-color: var(--brown);
  --pico-h1-color: var(--brown);
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  align-items: center;
  margin: 0.5rem 0 2.5rem;
  padding: 1.25rem;
  background: var(--yellow);
  color: var(--brown);
  border: var(--pico-border-width) solid var(--ink);
  box-shadow: var(--shadow) var(--shadow) 0 var(--ink);
}

.comic-masthead img {
  display: block;
  width: 120px;
  height: 120px;
  background: var(--cream);
  border: var(--pico-border-width) solid var(--brown);
}

.comic-masthead h1 {
  margin: 0 0 0.5rem;
  text-shadow: 3px 3px 0 var(--orange);
}

.comic-masthead p {
  margin: 0;
}

.comic-kicker {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.comic-masthead .comic-kicker {
  margin-bottom: 0.4rem;
}

/* Panels sit in one column up to 1023px and two columns above; the hero panel spans both. */
.comic {
  display: grid;
  gap: 1.5rem;
  max-width: 640px;
  margin: 0 auto 1.5rem;
  padding: 0;
  list-style: none;
}

.comic > li {
  margin: 0;
  list-style: none;
}

@media (min-width: 1024px) {
  .comic {
    grid-template-columns: 1fr 1fr;
    max-width: none;
  }

  .panel-wide {
    grid-column: 1 / -1;
  }
}

/* The comic keeps its printed colors in dark mode too; only the frame follows the theme. */
.panel {
  --pico-color: var(--brown);
  position: relative;
  overflow: hidden;
  background: var(--cream);
  color: var(--brown);
  border: var(--pico-border-width) solid var(--ink);
  box-shadow: var(--shadow) var(--shadow) 0 var(--ink);
}

.panel img {
  display: block;
  width: 100%;
  height: auto;
}

.caption {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  max-width: 62%;
  margin: 0;
  padding: 0.45rem 0.75rem;
  background: var(--yellow);
  border-right: var(--pico-border-width) solid var(--brown);
  border-bottom: var(--pico-border-width) solid var(--brown);
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.35;
  text-transform: uppercase;
}

.balloon {
  position: absolute;
  z-index: 2;
  width: max-content;
  max-width: 46%;
  margin: 0;
  padding: 0.6rem 1rem;
  background: var(--cream);
  border: var(--pico-border-width) solid var(--brown);
  border-radius: 1.75rem;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  text-transform: uppercase;
}

.balloon.whisper {
  border-style: dashed;
}

.balloon.robot {
  border-radius: 0;
  font-family: var(--font-mono);
}

.balloon.shout {
  font-family: var(--font-display);
  font-size: 1.15rem;
}

/* Balloon tails: an ink triangle with a smaller cream one on top, which also hides the border where they meet. */
.balloon::before,
.balloon::after {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
  border-color: transparent;
}

.balloon.tail-left::before { top: 100%; left: 18%; border-width: 24px 20px 0 0; border-top-color: var(--brown); }
.balloon.tail-left::after { top: 100%; left: calc(18% + 3px); border-width: 16px 13px 0 0; border-top-color: var(--cream); }

.balloon.tail-right::before { top: 100%; right: 18%; border-width: 24px 0 0 20px; border-top-color: var(--brown); }
.balloon.tail-right::after { top: 100%; right: calc(18% + 3px); border-width: 16px 0 0 13px; border-top-color: var(--cream); }

.balloon.tail-up::before { bottom: 100%; right: 22%; border-width: 0 0 24px 20px; border-bottom-color: var(--brown); }
.balloon.tail-up::after { bottom: 100%; right: calc(22% + 3px); border-width: 0 0 16px 13px; border-bottom-color: var(--cream); }

.balloon.tail-side-right::before { left: 100%; top: 30%; border-width: 10px 0 10px 26px; border-left-color: var(--brown); }
.balloon.tail-side-right::after { left: 100%; top: calc(30% + 3px); border-width: 7px 0 7px 19px; border-left-color: var(--cream); }

.balloon.tail-side-left::before { right: 100%; top: 30%; border-width: 10px 26px 10px 0; border-right-color: var(--brown); }
.balloon.tail-side-left::after { right: 100%; top: calc(30% + 3px); border-width: 7px 19px 7px 0; border-right-color: var(--cream); }

/* Where each balloon goes: next to its speaker, in the space the drawing leaves free. */
.panel-shelf .balloon { top: 21%; left: 33%; }
.panel-upload .balloon { bottom: 7%; right: 4%; }
.panel-install .balloon { top: 30%; left: 6%; }
.panel-rejected .balloon { top: 19%; right: 4%; }
.panel-hero .balloon { top: 24%; left: 4%; max-width: 34%; }
.panel-browser .balloon { top: 15%; right: 4%; }
.panel-rescued .balloon { top: 22%; left: 5%; }

.comic-end {
  --pico-color: var(--brown);
  width: fit-content;
  margin: 0 0 3rem auto;
  padding: 0.5rem 1rem;
  background: var(--yellow);
  color: var(--brown);
  border: var(--pico-border-width) solid var(--ink);
  font-family: var(--font-display);
  text-transform: uppercase;
}

.about-text {
  max-width: 72ch;
}

/* The wide panel is cropped to 4:3 around the hero while the comic is one column. */
@media (max-width: 1023px) {
  .panel-wide img {
    aspect-ratio: 4 / 3;
    object-fit: cover;
    object-position: 66% 50%;
  }

  .panel-hero .balloon {
    max-width: 40%;
  }
}

/* On phones the caption and balloon move above the drawing so they never cover it. */
@media (max-width: 575px) {
  .comic-masthead {
    grid-template-columns: 72px 1fr;
    gap: 1rem;
    padding: 1rem;
  }

  .comic-masthead img {
    width: 72px;
    height: 72px;
  }

  .caption,
  .panel .balloon {
    position: relative;
    inset: auto;
    max-width: none;
  }

  .caption {
    border-right: 0;
  }

  .panel .balloon {
    width: fit-content;
    max-width: calc(100% - 2rem);
    margin: 0.9rem 1rem 1.6rem;
  }

  .panel .balloon::before { inset: 100% auto auto 18%; border-width: 24px 20px 0 0; border-color: var(--brown) transparent transparent; }
  .panel .balloon::after { inset: 100% auto auto calc(18% + 3px); border-width: 16px 13px 0 0; border-color: var(--cream) transparent transparent; }
}

/* ---------- Online reader ---------- */

.app[hidden],
.reader[hidden] {
  display: none !important;
}

.reader {
  --book-bg: var(--cream);
  margin-bottom: 3rem;
  border: var(--pico-border-width) solid var(--ink);
  box-shadow: var(--shadow) var(--shadow) 0 var(--ink);
  background: var(--paper);
}

.reader[data-theme="night"] {
  --book-bg: var(--brown);
}

.reader-bar,
.reader-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.75rem;
  background: var(--header-bg);
  color: var(--header-ink);
}

.reader-bar {
  border-bottom: var(--pico-border-width) solid var(--ink);
}

.reader-nav {
  border-top: var(--pico-border-width) solid var(--ink);
}

.reader-bar button,
.reader-nav button {
  width: auto;
  margin: 0;
  padding: 0.3rem 0.65rem;
  font-size: 0.8rem;
  box-shadow: 3px 3px 0 var(--ink);
}

.reader-book {
  flex: 1 1 10rem;
  min-width: 0;
}

.reader-title,
.reader-author {
  margin: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.reader-title {
  font-weight: 700;
}

.reader-author {
  font-size: 0.8rem;
}

.reader-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.reader-view {
  height: min(78vh, 860px);
  background: var(--book-bg);
}

.reader-view foliate-view {
  display: block;
  width: 100%;
  height: 100%;
}

.reader-nav input[type="range"] {
  flex: 1;
  min-width: 6rem;
  margin: 0;
}

.reader-location {
  margin: 0;
  padding: 0.45rem 0.75rem;
  font-size: 0.8rem;
  text-align: center;
}

.reader:fullscreen {
  display: flex;
  flex-direction: column;
  margin: 0;
}

.reader:fullscreen .reader-view {
  flex: 1;
  height: auto;
}

.toc-dialog article {
  width: min(36rem, 92vw);
  max-height: 80vh;
  overflow: auto;
}

.toc-dialog header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.toc-dialog h2 {
  margin: 0;
  font-size: 1.2rem;
}

.toc-dialog header button {
  width: auto;
  margin: 0;
  padding: 0.3rem 0.65rem;
  font-size: 0.8rem;
}

.toc-dialog ul ul {
  margin: 0.25rem 0 0.25rem 1rem;
}

@media (max-width: 640px) {
  .reader-view {
    height: 72svh;
  }

  .reader-tools {
    width: 100%;
    gap: 0.35rem;
  }

  .reader-bar button {
    padding: 0.25rem 0.45rem;
    font-size: 0.72rem;
    box-shadow: 2px 2px 0 var(--ink);
  }
}