/* Invented Origins: everything is scoped under .ety so the page can be
   dropped into another site without its styles leaking out. */

:root {
  --ety-paper: #f3ead6;
  --ety-paper-deep: #e9dcc0;
  --ety-ink: #2a2018;
  --ety-ink-soft: #5d4d3c;
  --ety-ink-faint: #8a7860;
  --ety-rule: #cdb994;
  --ety-accent: #7a2418;
  --ety-accent-soft: #a8543f;
  --ety-field: #fbf6ea;
  --ety-flash: #f1d9a6;
  /* Piece colours, in order across a division: oxblood, ochre, olive, teal, indigo, plum. */
  --ety-piece-0: #9b3b2a;
  --ety-piece-1: #b07d1f;
  --ety-piece-2: #5f7a3a;
  --ety-piece-3: #2f6f73;
  --ety-piece-4: #4b4f8f;
  --ety-piece-5: #7c4069;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ety-paper: #1f1a15;
    --ety-paper-deep: #29221b;
    --ety-ink: #ece0c8;
    --ety-ink-soft: #c2b296;
    --ety-ink-faint: #8f7f66;
    --ety-rule: #4a3e30;
    --ety-accent: #e0937a;
    --ety-accent-soft: #c0765f;
    --ety-field: #2a231c;
    --ety-flash: #4b3a22;
    --ety-piece-0: #e0937a;
    --ety-piece-1: #e2b55a;
    --ety-piece-2: #a3bf78;
    --ety-piece-3: #74b8b8;
    --ety-piece-4: #9da2e0;
    --ety-piece-5: #d08bb8;
  }
}
:root[data-theme="dark"] {
  --ety-paper: #1f1a15;
  --ety-paper-deep: #29221b;
  --ety-ink: #ece0c8;
  --ety-ink-soft: #c2b296;
  --ety-ink-faint: #8f7f66;
  --ety-rule: #4a3e30;
  --ety-accent: #e0937a;
  --ety-accent-soft: #c0765f;
  --ety-field: #2a231c;
  --ety-flash: #4b3a22;
  --ety-piece-0: #e0937a;
  --ety-piece-1: #e2b55a;
  --ety-piece-2: #a3bf78;
  --ety-piece-3: #74b8b8;
  --ety-piece-4: #9da2e0;
  --ety-piece-5: #d08bb8;
}

body {
  margin: 0;
  background: var(--ety-paper);
  color: var(--ety-ink);
}

.ety {
  --ety-serif: 'EB Garamond', Garamond, 'Times New Roman', serif;
  --ety-display: 'IM Fell English SC', 'EB Garamond', serif;
  box-sizing: border-box;
  max-width: 52rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  font-family: var(--ety-serif);
  font-size: 1.1875rem;
  line-height: 1.5;
  color: var(--ety-ink);
  background: var(--ety-paper);
}
.ety *, .ety *::before, .ety *::after { box-sizing: inherit; }

.ety h1, .ety h2, .ety h3 { font-weight: 400; margin: 0; }

.ety-hint { color: var(--ety-ink-faint); font-size: 0.9rem; }

/* ---- Masthead ---- */

.ety-masthead {
  text-align: center;
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 3px double var(--ety-rule);
}
.ety-kicker {
  margin: 0;
  font-variant: small-caps;
  letter-spacing: 0.2em;
  color: var(--ety-ink-faint);
}
.ety-masthead h1 {
  font-family: var(--ety-display);
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  line-height: 1.1;
  color: var(--ety-accent);
}
.ety-lede {
  max-width: 34rem;
  margin: 0.75rem auto 0;
  font-style: italic;
  color: var(--ety-ink-soft);
}

/* ---- Form ---- */

.ety-form { display: grid; gap: 1.25rem; }

.ety-label {
  display: block;
  font-variant: small-caps;
  letter-spacing: 0.06em;
  color: var(--ety-ink-soft);
  margin-bottom: 0.25rem;
}
.ety-label output { color: var(--ety-accent); font-variant: normal; letter-spacing: 0; }

.ety input[type="text"],
.ety input[type="number"] {
  font: inherit;
  color: var(--ety-ink);
  background: var(--ety-field);
  border: 1px solid var(--ety-rule);
  border-radius: 2px;
  padding: 0.35rem 0.6rem;
}
.ety input:focus-visible,
.ety button:focus-visible,
.ety summary:focus-visible {
  outline: 2px solid var(--ety-accent);
  outline-offset: 2px;
}
.ety-word input {
  width: 100%;
  font-size: 1.75rem;
  letter-spacing: 0.02em;
}
.ety-controls {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start;
}
.ety-min-row { display: flex; align-items: center; gap: 0.5rem; color: var(--ety-ink-soft); }
.ety-min-row input { width: 4.5rem; }
.ety-control-wide input[type="range"] {
  width: 100%;
  accent-color: var(--ety-accent);
  margin: 0.5rem 0 0.15rem;
}
.ety-control-wide .ety-hint { display: block; }

.ety-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.75rem;
  font-size: 1rem;
  color: var(--ety-ink-soft);
}
.ety-options label { display: flex; align-items: center; gap: 0.45rem; cursor: pointer; }

.ety-langs {
  border-top: 1px solid var(--ety-rule);
  border-bottom: 1px solid var(--ety-rule);
  padding: 0.6rem 0;
}
.ety-langs summary {
  cursor: pointer;
  font-variant: small-caps;
  letter-spacing: 0.06em;
  color: var(--ety-ink-soft);
}
.ety-langs summary .ety-hint { font-variant: normal; letter-spacing: 0; margin-left: 0.5rem; }
.ety-lang-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
  gap: 1rem 1.5rem;
  margin-top: 1rem;
}
.ety-lang-group {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}
.ety-lang-group legend {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: baseline;
  padding: 0;
  margin-bottom: 0.3rem;
  font-style: italic;
  color: var(--ety-accent);
  border-bottom: 1px solid var(--ety-rule);
}
.ety-lang-group-proto { grid-column: 1 / -1; }
.ety-lang-group-proto label { display: inline-flex; width: 12rem; }
.ety-group-toggles button {
  font: inherit;
  font-size: 0.8rem;
  font-style: normal;
  background: none;
  border: 0;
  padding: 0 0.2rem;
  color: var(--ety-ink-faint);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.ety-lang-group label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1rem;
  line-height: 1.6;
  cursor: pointer;
}
.ety input[type="checkbox"] { accent-color: var(--ety-accent); margin: 0; }

.ety-actions { display: flex; gap: 0.75rem; justify-content: center; }
.ety-button {
  font: inherit;
  font-variant: small-caps;
  letter-spacing: 0.08em;
  font-size: 1.15rem;
  padding: 0.45rem 1.6rem;
  color: var(--ety-paper);
  background: var(--ety-accent);
  border: 1px solid var(--ety-accent);
  border-radius: 2px;
  cursor: pointer;
}
.ety-button:hover { background: var(--ety-accent-soft); border-color: var(--ety-accent-soft); }
.ety-button:disabled { opacity: 0.5; cursor: progress; }
.ety-button-quiet { color: var(--ety-accent); background: transparent; }
.ety-button-quiet:hover { color: var(--ety-paper); }

.ety-status {
  min-height: 1.5em;
  margin: 1.5rem 0 0;
  text-align: center;
  font-style: italic;
  color: var(--ety-ink-soft);
}

/* ---- Divisions ---- */

.ety-splits, .ety-results { margin-top: 2.5rem; }
.ety-section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem 1rem;
}
.ety-splits h2, .ety-results h2 {
  font-family: var(--ety-display);
  font-size: 1.6rem;
  color: var(--ety-accent);
}
.ety-section-head label { display: flex; gap: 0.4rem; align-items: center; cursor: pointer; }

.ety-split-list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0.75rem 0 0;
  border-top: 1px solid var(--ety-rule);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.75rem;
  max-height: 16rem;
  overflow-y: auto;
}
.ety-split { display: flex; align-items: baseline; }
.ety-split-pending { opacity: 0.6; }
.ety-split-dot { color: var(--ety-ink-faint); padding: 0 0.15rem; }
.ety-piece {
  font: inherit;
  font-size: 1.15rem;
  color: var(--ety-ink);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.ety-piece:hover { color: var(--ety-accent); text-decoration: underline; text-underline-offset: 3px; }
.ety-piece sup { font-size: 0.65em; color: var(--ety-ink-faint); margin-left: 0.1em; }
.ety-piece-empty { color: var(--ety-ink-faint); text-decoration: line-through; }

/* ---- Entries ---- */

.ety-entry {
  margin-top: 1.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--ety-rule);
  scroll-margin-top: 1rem;
  border-radius: 2px;
}
.ety-flash { animation: ety-flash 1.6s ease-out; }
@keyframes ety-flash { from { background: var(--ety-flash); } to { background: transparent; } }

.ety-entry-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}
.ety-entry h3 {
  font-family: var(--ety-display);
  font-size: 2rem;
  line-height: 1;
}
.ety-entry h3::before { content: '‑'; color: var(--ety-ink-faint); margin-right: 0.05em; }
.ety-entry h3::after { content: '‑'; color: var(--ety-ink-faint); margin-left: 0.05em; }
.ety-entry-status { font-style: italic; color: var(--ety-ink-faint); font-size: 0.95rem; }
.ety-entry-empty h3 { color: var(--ety-ink-faint); }

.ety-roots {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  columns: 2 22rem;
  column-gap: 2.5rem;
}
.ety-root {
  break-inside: avoid;
  padding: 0.35rem 0 0.5rem;
}
.ety-root-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 0.5rem;
}
.ety-hw { font-weight: 600; font-size: 1.15rem; }
.ety-root-reconstructed .ety-hw { font-style: italic; font-weight: 500; }
.ety-tr { font-style: italic; color: var(--ety-ink-soft); }
.ety-tr::before { content: '('; font-style: normal; }
.ety-tr::after { content: ')'; font-style: normal; }
.ety-lang {
  font-variant: small-caps;
  letter-spacing: 0.04em;
  color: var(--ety-accent);
}
.ety-tag {
  font-size: 0.7rem;
  font-variant: small-caps;
  letter-spacing: 0.08em;
  color: var(--ety-ink-faint);
  border: 1px solid var(--ety-rule);
  border-radius: 2px;
  padding: 0 0.3rem;
  line-height: 1.4;
}
.ety-root-reconstructed .ety-tag { border-style: dashed; }
.ety-senses {
  margin: 0.1rem 0 0;
  padding-left: 1.3rem;
  font-size: 1rem;
  color: var(--ety-ink-soft);
}
.ety-senses li { padding-left: 0.1rem; }
.ety-senses li::marker { color: var(--ety-ink-faint); font-size: 0.85em; }
.ety-pos { font-style: italic; margin-right: 0.4rem; color: var(--ety-ink-faint); }

/* ---- Choosing roots ---- */

.ety-pick {
  width: 1.05rem;
  height: 1.05rem;
  align-self: center;
  cursor: pointer;
}
.ety-root-chosen .ety-hw { color: var(--ety-accent); }

.ety-next {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 0.5rem 0.5rem 0.5rem 0.9rem;
  background: var(--ety-paper);
  border: 1px solid var(--ety-rule);
  border-radius: 2px;
  box-shadow: 0 4px 14px rgba(42, 32, 24, 0.25);
}
.ety-next[hidden] { display: none; }
.ety-next .ety-button { font-size: 1rem; padding: 0.35rem 1rem; }
.ety-next-count { font-style: italic; font-size: 0.95rem; color: var(--ety-ink-soft); }

/* ---- Close relations ---- */

.ety-relation-control { display: block; max-width: 28rem; margin-top: 1rem; }
.ety-relation-control input[type="range"] {
  width: 100%;
  accent-color: var(--ety-accent);
  margin: 0.5rem 0 0.15rem;
}
.ety-relation-control .ety-hint { display: block; }

.ety-arrangements {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}
.ety-arrangement {
  padding: 1rem 0;
  border-top: 1px solid var(--ety-rule);
}
.ety-arrangement-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1rem;
}
.ety-arrangement-head .ety-bars { font-size: 1.6rem; }
.ety-relation {
  font-variant: small-caps;
  letter-spacing: 0.05em;
  color: var(--ety-ink-soft);
}
.ety-relation b { color: var(--ety-accent); font-weight: 500; }
.ety-arrangement-parts {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0.6rem 1.25rem;
}
.ety-arrangement-parts li {
  padding-left: 0.6rem;
  border-left: 3px solid var(--seg);
}
.ety-arrangement-parts .ety-hw { font-size: 1.1rem; }
.ety-arrangement-parts .ety-lang { margin-left: 0.4rem; font-size: 0.95rem; }
.ety-arrangement-gloss { display: block; font-size: 0.95rem; color: var(--ety-ink-soft); }

/* ---- Step 2 ---- */

.ety-chosen { margin-top: 0.5rem; }
.ety-chosen h2 {
  font-family: var(--ety-display);
  font-size: 1.6rem;
  color: var(--ety-accent);
}
.ety-chosen > .ety-hint { margin: 0.5rem 0 0; }

.ety-slots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
  align-items: start;
}
/* The word drawn as letter runs, each piece with a coloured bar beneath. */
.ety-bars {
  display: inline-flex;
  gap: 0.08em;
  font-family: var(--ety-display);
  letter-spacing: 0.04em;
}
.ety-seg {
  padding-bottom: 0.2em;
  border-bottom: 0.25em solid var(--seg);
  color: var(--ety-ink);
}
.ety-seg-gap { border-bottom-style: dashed; border-bottom-width: 0.12em; color: var(--ety-ink-faint); }
.ety-seg-dim { border-bottom-color: transparent; color: var(--ety-ink-faint); }

.ety-export {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}
.ety-export .ety-label { margin: 0 0.25rem 0 0; }
.ety-chip-button {
  font: inherit;
  font-size: 0.95rem;
  padding: 0.2rem 0.75rem;
  color: var(--ety-accent);
  background: transparent;
  border: 1px solid var(--ety-rule);
  border-radius: 2px;
  cursor: pointer;
}
.ety-chip-button:hover { background: var(--ety-paper-deep); }

.ety-divisions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}
.ety-division {
  font: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.5rem 0.8rem 0.4rem;
  font-size: 1.1rem;
  background: transparent;
  border: 1px solid var(--ety-rule);
  border-radius: 2px;
  color: var(--ety-ink);
  cursor: pointer;
}
.ety-division:hover { background: var(--ety-paper-deep); }
.ety-division[aria-pressed="true"] {
  background: var(--ety-field);
  border-color: var(--ety-accent);
  box-shadow: inset 0 0 0 1px var(--ety-accent);
}
.ety-division-note { font-size: 0.75rem; font-style: italic; color: var(--ety-ink-faint); }

.ety-division-map {
  margin-top: 1.75rem;
  text-align: center;
  font-size: clamp(2rem, 8vw, 3rem);
}

.ety-slot {
  --seg: var(--ety-rule);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 1rem 1.25rem;
  background: var(--ety-field);
  border: 1px solid var(--ety-rule);
  border-top: 4px solid var(--seg);
  border-radius: 2px;
}
.ety-slot:focus-visible { outline: 2px solid var(--ety-accent); outline-offset: 2px; }
.ety-slot .ety-bars { font-size: 1.4rem; margin-bottom: 0.6rem; }
.ety-slot-gap {
  background: transparent;
  border-style: dashed;
  border-top-style: solid;
  color: var(--ety-ink-faint);
  text-align: center;
}
.ety-slot-gap p { margin: 0.75rem 0 0.5rem; font-style: italic; }
.ety-arrow {
  font-size: 0.9rem;
  line-height: 1;
  width: 2.25rem;
  height: 1.75rem;
  color: var(--ety-accent);
  background: transparent;
  border: 1px solid var(--ety-rule);
  border-radius: 2px;
  cursor: pointer;
}
.ety-arrow:hover:not(:disabled) { background: var(--ety-paper-deep); }
.ety-arrow:disabled { opacity: 0.35; cursor: default; }
.ety-slot-root {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  padding: 0.5rem 0;
  text-align: center;
}
.ety-slot-root .ety-root-line { justify-content: center; }
.ety-slot-root .ety-hw { font-size: 1.6rem; }
.ety-slot-count {
  margin-top: 0.35rem;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--ety-ink-faint);
}
.ety-slot-defs {
  align-self: stretch;
  margin-top: 0.75rem;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--ety-rule);
}

.ety-more {
  font: inherit;
  font-size: 0.95rem;
  font-style: italic;
  margin-top: 0.25rem;
  padding: 0;
  background: none;
  border: 0;
  color: var(--ety-accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ety-foot {
  margin-top: 3.5rem;
  padding-top: 1rem;
  border-top: 3px double var(--ety-rule);
  text-align: center;
  font-size: 0.9rem;
  font-style: italic;
  color: var(--ety-ink-faint);
}
.ety-foot a { color: var(--ety-accent); }

@media (max-width: 40rem) {
  .ety { padding: 2rem 1rem 3rem; font-size: 1.0625rem; }
  .ety-controls { grid-template-columns: 1fr; gap: 1rem; }
  .ety-lang-group-proto label { width: 100%; }
  .ety-entry h3 { font-size: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  .ety-flash { animation: none; }
}