/*
  Writer visual system: a near-white editorial desk, near-black controls,
  signal-orange state changes, serif reading matter, and mono metadata.
*/

.writer-page {
  min-width: 0;
  background:
    linear-gradient(90deg, transparent 0 49.95%, rgb(17 17 15 / 3%) 50%, transparent 50.05%),
    var(--paper);
  color: var(--ink);
}

.writer-page button,
.writer-page input,
.writer-page textarea {
  border-radius: 0;
  font: inherit;
}

.writer-page button {
  color: inherit;
}

.writer-topbar .wordmark__logo {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
}

.writer-topbar .wordmark__name {
  letter-spacing: -0.06em;
}

.writer-topbar__nav a[aria-current="page"]::after {
  scale: 1 1;
}

.writer-main {
  width: min(100%, 1680px);
  margin-inline: auto;
  padding: clamp(64px, 8vw, 128px) var(--page-gutter) clamp(80px, 10vw, 152px);
}

.writer-intro {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: end;
  gap: var(--space-3);
  margin-bottom: clamp(48px, 6vw, 88px);
}

.writer-intro__heading {
  grid-column: 1 / span 8;
}

.writer-intro .overline {
  margin-bottom: var(--space-2);
  color: var(--signal);
}

.writer-intro h1 {
  max-width: 9ch;
  font-family: var(--serif);
  font-size: clamp(64px, 8.2vw, 126px);
  font-weight: 600;
  letter-spacing: -0.075em;
  line-height: 0.88;
}

.writer-intro__note {
  display: grid;
  grid-column: 9 / -1;
  grid-template-columns: minmax(0, 1fr);
  padding-top: var(--space-2);
  border-top: 1px solid var(--ink);
}

.writer-intro__note p {
  max-width: 36ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.writer-intro__note code {
  padding: 0.08em 0.35em;
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.86em;
}

.writer-studio {
  border-top: 2px solid var(--ink);
}

.writer-toolbar {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 12px;
  background: var(--ink);
  color: var(--paper);
}

.writer-toolbar__group,
.writer-toolbar__aside {
  display: flex;
  align-items: center;
  gap: 8px;
}

.writer-action {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 15px;
  border: 1px solid color-mix(in srgb, var(--paper) 24%, transparent);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  transition:
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    translate 220ms var(--ease-out);
}

.writer-action svg {
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.7;
}

.writer-action--signal {
  border-color: var(--signal);
  background: var(--signal);
  color: var(--paper-bright);
}

.writer-action--quiet {
  border-color: transparent;
  color: color-mix(in srgb, var(--paper) 70%, transparent);
}

.writer-action:hover {
  border-color: var(--signal);
  background: var(--paper-bright);
  color: var(--ink);
  translate: 0 -1px;
}

.writer-action--signal:hover {
  background: color-mix(in srgb, var(--signal) 88%, black);
  color: var(--paper-bright);
}

.writer-action:active {
  translate: 0 1px;
}

.writer-action:focus-visible {
  outline-color: var(--paper-bright);
  outline-offset: 2px;
}

.writer-shortcut {
  margin-right: 4px;
  color: color-mix(in srgb, var(--paper) 45%, transparent);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

#markdown-import[hidden] {
  display: none;
}

.writer-workspace {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  background: var(--ink);
}

.writer-pane {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 680px;
  flex-direction: column;
  overflow: hidden;
  background: var(--paper-bright);
}

.writer-pane__header {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
}

.writer-pane__header > div {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.writer-pane__index,
.writer-pane__hint {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.writer-pane__hint {
  color: var(--muted);
  font-weight: 500;
}

.writer-pane__header h2 {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
}

.writer-fields {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  padding: clamp(20px, 2.5vw, 36px);
}

.writer-title-field,
.writer-body-field {
  display: flex;
  min-height: 0;
  flex-direction: column;
}

.writer-title-field {
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--ink);
}

.writer-body-field {
  flex: 1;
  padding-top: var(--space-3);
}

.writer-title-field label,
.writer-body-field label {
  margin-bottom: 10px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

#article-title,
#markdown-input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

#article-title {
  padding: 0;
  font-family: var(--serif);
  font-size: clamp(30px, 3vw, 48px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.15;
}

#markdown-input {
  min-height: 360px;
  flex: 1;
  padding: 0;
  resize: none;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.8;
  tab-size: 2;
}

#article-title::placeholder,
#markdown-input::placeholder {
  color: color-mix(in srgb, var(--muted) 56%, transparent);
  opacity: 1;
}

#article-title:focus-visible,
#markdown-input:focus-visible {
  outline: 0;
}

.writer-title-field:focus-within {
  border-color: var(--signal);
}

.writer-statusbar {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 8px 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.writer-save-state,
.writer-counts {
  display: inline-flex;
  align-items: center;
}

.writer-save-state {
  gap: 8px;
}

.writer-save-state i {
  width: 6px;
  height: 6px;
  background: var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--signal) 12%, transparent);
}

.writer-save-state:has([data-save-status][data-state="saved"]) i {
  background: #477557;
  box-shadow: 0 0 0 3px rgb(71 117 87 / 12%);
}

.writer-counts {
  gap: 16px;
}

.writer-counts span + span {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.writer-counts strong {
  color: var(--ink);
  font-weight: 700;
}

.writer-drop-indicator {
  position: absolute;
  z-index: 5;
  inset: 12px;
  display: grid;
  align-content: center;
  justify-items: center;
  border: 2px solid var(--signal);
  background: rgb(255 253 248 / 94%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.writer-drop-indicator strong {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 52px);
}

.writer-drop-indicator span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

[data-dropzone].is-dragging .writer-drop-indicator,
[data-dropzone][data-dragging="true"] .writer-drop-indicator {
  opacity: 1;
}

.markdown-body {
  min-width: 0;
  flex: 1;
  overflow: auto;
  padding: clamp(34px, 5vw, 72px) clamp(24px, 4.4vw, 64px) clamp(56px, 7vw, 92px);
  color: color-mix(in srgb, var(--ink) 93%, transparent);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.88;
  overflow-wrap: anywhere;
  scrollbar-color: var(--signal) transparent;
  scrollbar-width: thin;
}

.markdown-body > :first-child {
  margin-top: 0;
}

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

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  margin: 1.55em 0 0.5em;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.16;
  text-wrap: balance;
}

.markdown-body h1 {
  padding-bottom: 0.38em;
  border-bottom: 2px solid var(--ink);
  font-size: clamp(38px, 4.5vw, 64px);
  letter-spacing: -0.065em;
  line-height: 1.02;
}

.markdown-body h2 {
  padding-top: 0.25em;
  font-size: clamp(28px, 3.2vw, 42px);
}

.markdown-body h3 {
  font-size: clamp(22px, 2.4vw, 30px);
}

.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  font-family: var(--sans);
  font-size: 16px;
  letter-spacing: 0;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body blockquote,
.markdown-body pre,
.markdown-body table,
.markdown-body hr {
  margin: 0 0 1.35em;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.5em;
}

.markdown-body li {
  padding-left: 0.35em;
}

.markdown-body li + li {
  margin-top: 0.35em;
}

.markdown-body li::marker {
  color: var(--signal);
  font-family: var(--mono);
  font-weight: 700;
}

.markdown-body .task-list-item {
  list-style: none;
}

.markdown-body input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0 0.55em 0 -1.45em;
  border-radius: 0;
  accent-color: var(--signal);
  vertical-align: -0.15em;
}

.markdown-body blockquote {
  position: relative;
  padding: 0.4em 0 0.4em 1.35em;
  border-left: 4px solid var(--signal);
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.22em;
  line-height: 1.72;
}

.markdown-body blockquote > :last-child {
  margin-bottom: 0;
}

.markdown-body a {
  color: inherit;
  text-decoration-color: var(--signal);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

.markdown-body a:hover {
  color: var(--signal);
}

.markdown-body strong {
  color: var(--ink);
  font-weight: 760;
}

.markdown-body del {
  color: var(--muted);
  text-decoration-color: var(--signal);
}

.markdown-body code {
  padding: 0.15em 0.38em;
  background: color-mix(in srgb, var(--ink) 8%, transparent);
  color: color-mix(in srgb, var(--ink) 88%, var(--signal));
  font-family: var(--mono);
  font-size: 0.86em;
}

.markdown-body pre {
  max-width: 100%;
  overflow: auto;
  padding: 20px;
  border-left: 3px solid var(--signal);
  background: var(--ink);
  color: var(--paper);
  line-height: 1.65;
  tab-size: 2;
}

.markdown-body pre code {
  padding: 0;
  background: transparent;
  color: inherit;
  font-size: 13px;
}

.markdown-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.8em auto;
  border: 1px solid var(--line);
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.88em;
}

.markdown-body th,
.markdown-body td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.markdown-body th {
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.82em;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.markdown-body hr {
  height: 1px;
  border: 0;
  background: var(--ink);
}

.markdown-empty {
  display: grid;
  min-height: 440px;
  place-content: center;
  justify-items: center;
  color: var(--muted);
  text-align: center;
}

.markdown-empty > span {
  display: grid;
  width: 80px;
  aspect-ratio: 1;
  place-items: center;
  margin-bottom: var(--space-3);
  border: 1px solid var(--line);
  color: var(--signal);
  font-family: var(--serif);
  font-size: 34px;
}

.markdown-empty h3 {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-size: 25px;
  letter-spacing: -0.04em;
}

.markdown-empty p {
  max-width: 28ch;
  margin: 0;
  font-size: 13px;
}

.writer-footer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
  gap: var(--space-3);
  padding: var(--space-6) var(--page-gutter);
  border-top: 1px solid var(--line-light);
  background: var(--ink);
  color: var(--paper);
}

.writer-footer a {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 10px;
  color: var(--paper-bright);
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 700;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.writer-footer__brand-logo {
  width: 42px;
  aspect-ratio: 1;
  flex: none;
  object-fit: contain;
  filter:
    drop-shadow(0 0 1px rgb(255 253 248 / 56%))
    drop-shadow(0 6px 16px rgb(18 199 239 / 18%));
}

.writer-footer__brand-text {
  color: var(--paper-bright);
  font: inherit;
}

.writer-footer > p,
.writer-footer > span {
  color: color-mix(in srgb, var(--paper) 58%, transparent);
  font-size: 11px;
}

.writer-footer p {
  justify-self: center;
  text-align: center;
}

.writer-footer > span {
  justify-self: end;
  font-family: var(--mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.writer-toast {
  position: fixed;
  z-index: 100;
  right: var(--page-gutter);
  bottom: var(--space-3);
  max-width: min(360px, calc(100vw - (var(--page-gutter) * 2)));
  padding: 13px 16px;
  border: 1px solid color-mix(in srgb, var(--paper) 25%, transparent);
  background: var(--ink);
  box-shadow: 0 14px 40px rgb(0 0 0 / 22%);
  color: var(--paper-bright);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  translate: 0 12px;
  transition:
    opacity 180ms ease,
    translate 260ms var(--ease-out);
}

.writer-toast:not([hidden]),
.writer-toast.is-visible {
  opacity: 1;
  translate: 0;
}

.writer-toast[hidden] {
  display: none;
}

@media (min-width: 901px) and (min-height: 760px) {
  .writer-workspace {
    align-items: start;
  }

  .writer-pane {
    height: min(760px, calc(100svh - var(--header-height) - 32px));
    min-height: 600px;
  }

  .writer-pane--preview {
    position: sticky;
    top: calc(var(--header-height) + 16px);
  }
}

@media (max-width: 1080px) {
  .writer-shortcut {
    display: none;
  }

  .writer-action {
    padding-inline: 12px;
  }
}

@media (max-width: 900px) {
  .writer-main {
    padding-top: var(--space-9);
  }

  .writer-intro__heading {
    grid-column: 1 / span 7;
  }

  .writer-intro__note {
    grid-column: 8 / -1;
  }

  .writer-workspace {
    grid-template-columns: minmax(0, 1fr);
  }

  .writer-pane {
    min-height: 620px;
  }

  .writer-pane--preview {
    min-height: 560px;
  }
}

@media (max-width: 700px) {
  .writer-intro {
    display: block;
  }

  .writer-intro h1 {
    font-size: clamp(58px, 18vw, 88px);
  }

  .writer-intro__note {
    margin-top: var(--space-6);
  }

  .writer-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    padding: 8px;
  }

  .writer-toolbar__group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .writer-toolbar__aside {
    display: block;
  }

  .writer-toolbar__aside .writer-action {
    width: 100%;
  }

  .writer-action {
    min-width: 0;
    padding-inline: 10px;
  }

  .writer-pane {
    min-height: 580px;
  }

  .writer-fields {
    padding: var(--space-3) 18px;
  }

  #article-title {
    font-size: 34px;
  }

  #markdown-input {
    min-height: 380px;
    font-size: 16px;
  }

  .markdown-body {
    padding: var(--space-6) 20px var(--space-9);
    font-size: 16px;
  }

  .markdown-body h1 {
    font-size: clamp(38px, 12vw, 54px);
  }

  .writer-footer {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-2);
  }

  .writer-footer p,
  .writer-footer > span {
    justify-self: auto;
    text-align: left;
  }
}

@media (max-width: 500px) {
  .writer-topbar .wordmark::after {
    display: none;
  }

  .writer-topbar .wordmark__logo {
    width: 28px;
    height: 28px;
  }

  .writer-topbar .wordmark__name {
    font-size: 15px;
  }

  .writer-topbar__nav a {
    padding-inline: 8px;
    font-size: 12px;
  }

  .writer-pane__hint {
    display: none;
  }

  .writer-statusbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .writer-counts {
    width: 100%;
    justify-content: space-between;
  }

  .writer-counts span + span {
    margin-left: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .writer-action,
  .writer-drop-indicator,
  .writer-toast {
    transition: none;
  }
}