/*
 * Beeline. Paper on a desk: warm, quiet, and nothing on screen that you
 * aren't using right now.
 */

@font-face {
  font-family: "Courier Prime";
  src: url("/assets/CourierPrime-Regular-e0eeeb52.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Courier Prime";
  src: url("/assets/CourierPrime-Italic-1682cbbe.ttf") format("truetype");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Courier Prime";
  src: url("/assets/CourierPrime-Bold-c9ee43fa.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Courier Prime";
  src: url("/assets/CourierPrime-BoldItalic-0b200ec9.ttf") format("truetype");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

:root {
  --desk: #ebe5d8;
  --paper: #fbf8f1;
  --ink: #2a2824;
  --ink-soft: #5d5950;
  --ink-faint: #9b958a;
  --rule: #ddd5c4;

  --red: #c23b2b;
  --green: #3c7d4a;
  --yellow: #c99a06;
  --marker-red: #e8604f;
  --marker-green: #6cc27d;
  --marker-yellow: #f6d74a;

  --typescript: "Courier Prime", "Courier New", ui-monospace, monospace;
  --book: "Iowan Old Style", "Palatino Linotype", Palatino, Charter, Georgia, serif;
  --hand: "Bradley Hand", "Segoe Print", "Comic Neue", cursive;
  --ui: ui-sans-serif, system-ui, -apple-system, sans-serif;

  --page-width: 760px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--desk);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--ui);
  font-size: 15px;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration-color: var(--rule);
  text-underline-offset: 0.2em;

  &:hover {
    text-decoration-color: currentColor;
  }
}

kbd {
  font-family: var(--typescript);
  font-size: 0.85em;
  padding: 0.05em 0.35em;
  border: 1px solid var(--rule);
  border-radius: 3px;
}

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

:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--ink) 35%, transparent);
  outline-offset: 2px;
}

/* Masthead */

.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  color: var(--ink-soft);
  transition: opacity 600ms var(--ease);
}

.masthead__name {
  font-family: var(--typescript);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--ink);
}

.masthead__nav {
  display: flex;
  gap: 1.25rem;
}

.masthead__link {
  text-decoration: none;

  &[aria-current="page"] {
    color: var(--ink);
    text-decoration: underline;
    text-decoration-color: var(--rule);
  }
}

.main {
  padding: 0 1.5rem 6rem;
}

@media (max-width: 600px) {
  .main {
    padding-inline: 0.75rem;
  }
}

/* In the app, native tabs and the navigation bar replace the masthead. */
.native .main {
  padding-top: 1.25rem;
}

/* Buttons */

.button {
  font: inherit;
  font-size: 0.93rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--ink) 25%, transparent);
  border-radius: 999px;
  padding: 0.4em 1.1em;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background 150ms, border-color 150ms;

  &:hover {
    background: color-mix(in srgb, var(--ink) 6%, transparent);
  }
}

.button--primary {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);

  &:hover {
    background: color-mix(in srgb, var(--ink) 85%, var(--paper));
  }
}

.button--quiet {
  border-color: transparent;
  color: var(--ink-faint);

  &:hover {
    color: var(--ink);
    background: transparent;
  }
}

/* A page. It's its own container so type, padding and marks all scale
 * with the page width: the layout of a page never reflows, only grows. */

.page {
  container-type: inline-size;
  position: relative;
  width: 100%;
  max-width: var(--page-width);
  margin: 0 auto;
  overflow: clip;
  background: var(--paper);
  border-radius: 2px;
  box-shadow:
    0 1px 1px rgb(60 50 30 / 0.06),
    0 6px 24px -8px rgb(60 50 30 / 0.18);
}

.page__content {
  min-height: 129cqi; /* US letter */
  padding: 11cqi 11cqi 14cqi;
  font-family: var(--typescript);
  font-size: 2.5cqi;
  line-height: 1.6;
}

.page__title,
.page__author {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  outline: none;
}

.page__title {
  font-weight: 700;
  font-size: 1.5em;
  line-height: 1.3;
}

.page__author {
  margin-bottom: 3em;
  color: var(--ink-soft);
}

input.page__title::placeholder,
input.page__author::placeholder {
  color: var(--ink-faint);
  opacity: 0.6;
}

.page__errors {
  margin: 0 0 2em;
  color: var(--red);
}

/* What you type, in the editor and on the page, looks the same. */

.page__body {
  :where(p, h1, h2, h3, h4, h5, h6, ul, ol) {
    margin: 0 0 1.6em;
    padding: 0;
    font-size: 1em;
    line-height: 1.6;
  }

  :where(h1, h2, h3, h4, h5, h6) {
    font-weight: 700;
    margin-top: 2.4em;
  }

  h1 {
    font-size: 1.25em;
  }

  h2 {
    font-size: 1.1em;
  }

  :where(h3, h4, h5, h6) {
    text-decoration: underline;
    text-underline-offset: 0.2em;
  }

  > .lexxy-content > :first-child,
  .lexxy-editor__content > :first-child {
    margin-top: 0;
  }

  :where(ul, ol) {
    list-style: none;
    padding-left: 3ch;
  }

  li {
    position: relative;

    &::before {
      content: "-";
      position: absolute;
      left: -2ch;
    }

    &:has(> ul, > ol)::before {
      content: none;
    }
  }

  li > :where(ul, ol) {
    margin-bottom: 0;
  }

  :where(b, strong, .lexxy-content__bold) {
    font-weight: 700;
  }

  :where(i, em, .lexxy-content__italic) {
    font-style: italic;
  }

  :where(u, .lexxy-content__underline) {
    text-decoration: underline;
    text-underline-offset: 0.18em;
  }

  /* Struck through, like x-ing out on a typewriter. */
  :where(s, del, .lexxy-content__strikethrough) {
    text-decoration: line-through;
    text-decoration-thickness: 0.08em;
  }

  /* In the editor both formats can sit on one span. */
  .lexxy-content__underline.lexxy-content__strikethrough {
    text-decoration-line: underline line-through;
  }
}

/* Keyboard shortcuts for keyboards; on touch screens, the format bar. */
.typewriter__keys--touch {
  display: none;
}

@media (pointer: coarse) {
  .typewriter__keys--keyboard {
    display: none;
  }

  .typewriter__keys--touch {
    display: block;
  }
}

/* The format bar, under a selection on touch screens. */
.format-bar {
  position: absolute;
  z-index: 3;
  display: flex;
  gap: 2px;
  padding: 4px;
  border-radius: 12px;
  background: var(--paper);
  box-shadow: 0 1px 2px rgb(60 50 30 / 0.12), 0 8px 24px -8px rgb(60 50 30 / 0.35);

  &[hidden] {
    display: none;
  }
}

.format-bar__button {
  min-width: 2.75rem;
  min-height: 2.75rem;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--ink);
  font-family: var(--typescript);
  font-size: 1.1rem;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;

  &[aria-pressed="true"] {
    background: color-mix(in srgb, var(--ink) 9%, transparent);
  }
}

/* On a phone, the page you type on reflows to a readable size. It carries no
 * marks, so nothing needs to stay aligned; marked-up drafts keep their
 * proportions and can be pinched to zoom. */
@container (max-width: 560px) {
  .typewriter .page__content {
    padding: 2rem 1.25rem 3rem;
    font-size: 16px;
  }
}

/* Lexxy, without the chrome */

.page lexxy-editor {
  border: 0;
  border-radius: 0;
  background: transparent;
  --lexxy-editor-padding: 0;
  --lexxy-editor-rows: 12lh;
}

.page .lexxy-editor__content {
  padding: 0;
  outline: none;
  caret-color: var(--red);
}

.page .lexxy-editor--empty .lexxy-editor__content::before {
  color: var(--ink-faint);
  opacity: 0.6;
}

/* Writing */

.typewriter__footer {
  position: sticky;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 1rem 0 1.25rem;
  background: linear-gradient(to bottom, transparent, var(--desk) 35%);
  transition: opacity 600ms var(--ease);
}

.typewriter__keys {
  margin: 0;
  color: var(--ink-faint);
  font-size: 0.82rem;

  kbd {
    margin-left: 0.6em;

    &:first-child {
      margin-left: 0;
    }
  }
}

.typewriter__actions {
  display: flex;
  gap: 0.5rem;
}

/* Room below the last line so it can sit level with the eye. */
.writing .main {
  padding-bottom: 40vh;
}

/* While the keys are moving, everything else steps back, until the mouse
 * moves. Only with a mouse: on touch screens there's nothing to bring it back
 * but a tap, and iOS swallows a tap that makes something appear. */
@media (hover: hover) {
  body:has(.typewriter--typing) {
    .masthead,
    .desk__toggle,
    .typewriter__footer {
      opacity: 0;
    }
  }
}

.masthead,
.desk__toggle,
.typewriter__footer {
  &:hover,
  &:focus-within {
    opacity: 1 !important;
  }
}

/* A key that won't go down. */
.typewriter--refused .page {
  animation: refuse 160ms var(--ease);
}

@keyframes refuse {
  30% { transform: translateX(-2px); }
  70% { transform: translateX(1px); }
}

/* The desk: one page, or the last draft beside the one you're typing */

.desk__toggle {
  display: flex;
  justify-content: center;
  gap: 0.25rem;
  margin: 0 auto 1.25rem;
  transition: opacity 600ms var(--ease);
}

.desk__option {
  font: inherit;
  font-size: 0.88rem;
  color: var(--ink-faint);
  background: transparent;
  border: 0;
  border-radius: 999px;
  padding: 0.3em 0.9em;
  cursor: pointer;

  &[aria-pressed="true"] {
    color: var(--ink);
    background: color-mix(in srgb, var(--ink) 7%, transparent);
  }
}

.desk__pages {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
  max-width: calc(var(--page-width) * 2 + 2.5rem);
  margin: 0 auto;
}

.desk__page--previous {
  display: none;
}

.desk--split {
  .desk__pages {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .desk__page--previous {
    display: block;
    position: sticky;
    top: 1.5rem;
    max-height: calc(100vh - 3rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: none;
    opacity: 0.85;
  }
}

@media (max-width: 900px) {
  .desk--split .desk__pages {
    grid-template-columns: minmax(0, 1fr);
  }

  .desk--split .desk__page--previous {
    position: static;
    max-height: none;
  }
}

/* Marking up a draft */

.draft__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--page-width);
  margin: 0 auto 1.5rem;
}

.draft__versions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.draft__version {
  padding: 0.3em 0.8em;
  border-radius: 999px;
  color: var(--ink-faint);
  font-size: 0.9rem;
  text-decoration: none;

  &[aria-current="page"] {
    color: var(--ink);
    background: color-mix(in srgb, var(--ink) 7%, transparent);
  }
}

.draft__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;

  form {
    display: contents;
  }
}

.draft__status {
  color: var(--green);
  font-size: 0.9rem;
  text-decoration: none;
}

.draft__footer {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

.page[data-tool="line"],
.page[data-tool="stroke"] {
  cursor: crosshair;
  touch-action: none;
  user-select: none;
}

.page[data-tool="word"] {
  cursor: text;
  touch-action: none;
  user-select: none;
}

/* The pen tray sits in the margin, out of the way of the page. */

.tray {
  position: fixed;
  left: max(1rem, calc(50% - var(--page-width) / 2 - 7.5rem));
  top: 50%;
  translate: 0 -50%;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1rem;
  padding: 0.75rem 0.5rem;
  background: color-mix(in srgb, var(--paper) 70%, transparent);
  border-radius: 14px;
  backdrop-filter: blur(6px);
}

.tray__group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;

  &:has(.tray__color) {
    flex-direction: row;
    justify-content: center;
  }
}

.tray__tool {
  font: inherit;
  font-size: 0.85rem;
  color: var(--ink-faint);
  background: transparent;
  border: 0;
  border-radius: 8px;
  padding: 0.35em 0.75em;
  text-align: left;
  cursor: pointer;

  &:hover {
    color: var(--ink);
  }

  &[aria-pressed="true"] {
    color: var(--ink);
    background: color-mix(in srgb, var(--ink) 8%, transparent);
  }
}

.tray__tool--undo {
  text-align: center;
}

.tray__color {
  width: 1.1rem;
  height: 1.1rem;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 50%;
  background-clip: content-box;
  cursor: pointer;

  &[aria-pressed="true"] {
    border-color: currentColor;
  }
}

.tray__color--red { color: var(--red); background-color: var(--red); }
.tray__color--green { color: var(--green); background-color: var(--green); }
.tray__color--yellow { color: var(--yellow); background-color: var(--marker-yellow); }

@media (max-width: 1100px) {
  .tray {
    left: 50%;
    top: auto;
    bottom: 1rem;
    translate: -50% 0;
    flex-direction: row;
    align-items: center;
    box-shadow: 0 4px 18px -6px rgb(60 50 30 / 0.25);
  }

  .tray__group {
    flex-direction: row;
  }
}

/* Marks: 1000 units across the page, drawn over the type */

.marks {
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  aspect-ratio: 1;
  overflow: visible;
  pointer-events: none;
}

.mark {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mark--line {
  stroke-width: 18;
  stroke-opacity: 0.45;
  mix-blend-mode: multiply;

  &.mark--red { stroke: var(--marker-red); }
  &.mark--green { stroke: var(--marker-green); }
  &.mark--yellow { stroke: var(--marker-yellow); stroke-opacity: 0.7; }
}

.mark--stroke {
  stroke-width: 2.6;
  stroke-opacity: 0.9;

  &.mark--red { stroke: var(--red); }
  &.mark--green { stroke: var(--green); }
  &.mark--yellow { stroke: var(--yellow); }
}

.mark--word {
  font-family: var(--hand);
  font-size: 30px;

  &.mark--red { fill: var(--red); }
  &.mark--green { fill: var(--green); }
  &.mark--yellow { fill: var(--yellow); }
}

.marks__word-input {
  position: absolute;
  translate: 0 -50%;
  min-width: 12ch;
  padding: 0;
  border: 0;
  border-bottom: 1px dashed currentColor;
  background: transparent;
  font-family: var(--hand);
  font-size: 3cqi;
  outline: none;

  &.mark--red { color: var(--red); }
  &.mark--green { color: var(--green); }
  &.mark--yellow { color: var(--yellow); }
}

/* Lists: the shelf and the desk */

.listing {
  max-width: 640px;
  margin: 3rem auto 0;
}

.listing__heading {
  margin: 0 0 2.5rem;
  font-family: var(--typescript);
  font-size: 1rem;
  font-weight: 400;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

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

/* Waiting to sync: a little paler, until the server has it. */
.pending + .listing__items .listing__item:first-child,
.pending:not([hidden]) ~ .listing__empty {
  border-top: 1px solid var(--rule);
}

.pending:not([hidden]) ~ .listing__empty {
  display: none;
}

.listing__item--pending .listing__title {
  color: var(--ink-soft);
}

.listing__item--trouble .listing__meta {
  color: var(--red);
}

.listing__item + .listing__item {
  border-top: 1px solid var(--rule);
}

.listing__link {
  display: grid;
  gap: 0.25rem;
  padding: 1.5rem 0;
  text-decoration: none;

  &:hover .listing__title {
    text-decoration: underline;
    text-decoration-color: var(--rule);
  }
}

.listing__title {
  font-family: var(--book);
  font-size: 1.45rem;
  line-height: 1.25;
  color: var(--ink);
  text-underline-offset: 0.15em;
}

.listing__meta {
  color: var(--ink-faint);
  font-size: 0.88rem;
}

.listing__published {
  color: var(--green);
}

.listing__excerpt {
  margin-top: 0.35rem;
  font-family: var(--book);
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.listing__empty {
  color: var(--ink-soft);
  font-family: var(--book);
  font-size: 1.1rem;
}

/* Waiting to sync */

.sync-status {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 2;
  padding: 0.35em 0.9em;
  border-radius: 999px;
  background: color-mix(in srgb, var(--paper) 85%, transparent);
  box-shadow: 0 2px 10px -4px rgb(60 50 30 / 0.3);
  color: var(--ink-soft);
  font-size: 0.82rem;
  text-decoration: none;

  &[hidden] {
    display: none;
  }
}

.sync-status--trouble {
  color: var(--red);
}

/* The app's tab bar floats over the bottom of the page, so it sits up top there. */
.native .sync-status:not([hidden]) {
  position: static;
  display: block;
  width: fit-content;
  margin: 0 auto 1rem;
}

/* Outbox */

.outbox__notice {
  margin: -1rem 0 2rem;
  font-family: var(--book);
  font-size: 1.1rem;
  color: var(--ink-soft);
}

.outbox__text {
  margin: 0.75rem 0 0;
  padding: 1rem 1.25rem;
  background: var(--paper);
  font-family: var(--typescript);
  font-size: 0.9rem;
  white-space: pre-wrap;
  user-select: all;
}

.outbox__discard {
  justify-self: start;
  padding-left: 0;
}

/* Reading: from typescript to print */

.reading {
  background: var(--paper);

  .masthead {
    opacity: 0.6;

    &:hover {
      opacity: 1;
    }
  }
}

.reading-page {
  max-width: 34rem;
  margin: 4rem auto 0;
  font-family: var(--book);
  font-size: 1.2rem;
  line-height: 1.7;
  hanging-punctuation: first;
}

.reading-page__header {
  margin-bottom: 3rem;
  text-align: center;
}

.reading-page__title {
  margin: 0 0 0.6rem;
  font-size: 2.2rem;
  font-weight: 400;
  line-height: 1.2;
  text-wrap: balance;
}

.reading-page__byline {
  margin: 0;
  color: var(--ink-faint);
  font-family: var(--ui);
  font-size: 0.9rem;
}

.reading-page__body {
  text-wrap: pretty;

  :where(p, ul, ol) {
    margin: 0 0 1.2em;
  }

  :where(h1, h2, h3, h4, h5, h6) {
    margin: 2em 0 0.6em;
    font-weight: 600;
    line-height: 1.3;
  }

  h1 { font-size: 1.5em; }
  h2 { font-size: 1.3em; }
  :where(h3, h4, h5, h6) { font-size: 1.1em; }

  :where(ul, ol) {
    padding-left: 1.3em;
  }

  u {
    text-underline-offset: 0.18em;
  }

  :where(s, del) {
    text-decoration-thickness: 0.07em;
  }
}

.reading-page__footer {
  display: flex;
  justify-content: space-between;
  margin-top: 5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-faint);
  font-family: var(--ui);
  font-size: 0.9rem;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}