/* ───────── Tokens ───────── */
:root {
  --paper: #F3EFE7;
  --paper-2: #EBE6DB;
  --card: #FFFDF8;
  --ink: #1C1B18;
  --ink-2: #3B3832;
  --muted: #736D62;
  --faint: #A29C8F;
  --rule: #D9D2C3;
  --rule-2: #E6E0D3;
  --rule-strong: #B3AA98;
  --blue: #27458F;
  --blue-wash: #E1E6F2;
  --red: #C2331B;
  --red-wash: #F5DED6;
  --green: #2B6A46;
  --green-wash: #DAE9DD;
  --amber: #9C640A;
  --amber-wash: #F3E6C9;
  --card-red: #E2A99B;
  --card-line: #D6DEEC;
  --shadow: 40 30 10;
  --grain-a: .055;

  --serif: 'Newsreader', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
  --sans: 'Schibsted Grotesk', 'Helvetica Neue', Helvetica, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --hand: 'Kalam', 'Bradley Hand', 'Segoe Print', cursive;

  --header: 60px;
  --gutter: clamp(16px, 4vw, 48px);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #161512; --paper-2: #1E1D19; --card: #22211D;
    --ink: #EEE9DE; --ink-2: #CEC8BB; --muted: #9A9487; --faint: #6C675D;
    --rule: #33312B; --rule-2: #292823; --rule-strong: #4C483F;
    --blue: #97B0EE; --blue-wash: #1E2537; --red: #F08A72; --red-wash: #3A221C;
    --green: #86C9A1; --green-wash: #1A2D22; --amber: #E2B55E; --amber-wash: #332917;
    --card-red: #7C4035; --card-line: #2B3140; --shadow: 0 0 0; --grain-a: .0;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #161512; --paper-2: #1E1D19; --card: #22211D;
  --ink: #EEE9DE; --ink-2: #CEC8BB; --muted: #9A9487; --faint: #6C675D;
  --rule: #33312B; --rule-2: #292823; --rule-strong: #4C483F;
  --blue: #97B0EE; --blue-wash: #1E2537; --red: #F08A72; --red-wash: #3A221C;
  --green: #86C9A1; --green-wash: #1A2D22; --amber: #E2B55E; --amber-wash: #332917;
  --card-red: #7C4035; --card-line: #2B3140; --shadow: 0 0 0; --grain-a: .0;
  color-scheme: dark;
}

/* ───────── Base ───────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header) + 24px); }
body {
  margin: 0;
  background-color: var(--paper);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.1 0 0 0 0 0.08 0 0 0 0 0.04 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  color: var(--ink-2);
  font: 400 16.5px/1.62 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
:root[data-theme="dark"] body { background-image: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) body { background-image: none; } }

a { color: inherit; }
button { font: inherit; color: inherit; }
strong { color: var(--ink); font-weight: 600; }
::selection { background: var(--blue-wash); color: var(--ink); }
[hidden] { display: none !important; }
kbd {
  font: 500 10.5px/1 var(--mono);
  padding: 3px 5px 2px;
  border: 1px solid currentColor;
  border-radius: 4px;
  opacity: .55;
  vertical-align: 1px;
}
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 3px; }

.es { font-family: var(--serif); font-style: italic; color: var(--ink); font-size: 1.07em; }
.dim { color: var(--faint); font-size: .88em; font-style: normal; font-family: var(--sans); }
b.ink, .ink { color: var(--blue); font-weight: 600; }

/* ───────── Header ───────── */
.top {
  position: sticky; top: 0; z-index: 20;
  height: var(--header);
  display: flex; align-items: center; gap: 24px;
  padding: 0 var(--gutter);
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.brand { display: flex; align-items: baseline; gap: 14px; text-decoration: none; margin-right: auto; min-width: 0; }
.brand-word { font: italic 500 26px/1 var(--serif); color: var(--ink); letter-spacing: -.01em; }
.brand-meta { font: 400 11.5px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav { display: flex; gap: 4px; }
.nav a {
  position: relative;
  padding: 8px 12px;
  font-size: 15px; font-weight: 500;
  text-decoration: none; color: var(--muted);
  transition: color .15s;
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current] { color: var(--ink); }
.nav a[aria-current]::after {
  content: ''; position: absolute; left: 12px; right: 12px; bottom: -11px;
  height: 2px; background: var(--ink);
}
.theme {
  display: grid; place-items: center;
  width: 34px; height: 34px;
  border: 1px solid var(--rule); border-radius: 50%;
  background: transparent; color: var(--ink-2); cursor: pointer;
  transition: border-color .15s, transform .3s;
}
.theme:hover { border-color: var(--ink); }
.theme:active { transform: rotate(180deg); }

@media (max-width: 760px) {
  .brand-meta { display: none; }
  .top { gap: 8px; }
  .nav a { padding: 8px 8px; font-size: 14.5px; }
  .nav a[aria-current]::after { left: 8px; right: 8px; }
}

/* ───────── Shared layout ───────── */
main { padding: 0 var(--gutter) 120px; }
.view { max-width: 1320px; margin: 0 auto; animation: rise .5s cubic-bezier(.2,.7,.2,1) both; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .view, .intro > * { animation: none !important; } }

.intro { padding: clamp(40px, 7vw, 88px) 0 clamp(28px, 4vw, 44px); max-width: 980px; }
.intro.compact { padding-bottom: 28px; }
.intro > * { animation: rise .6s cubic-bezier(.2,.7,.2,1) both; }
.intro > :nth-child(2) { animation-delay: .06s; }
.intro > :nth-child(3) { animation-delay: .12s; }
.intro > :nth-child(4) { animation-delay: .18s; }
.kicker {
  margin: 0 0 18px;
  font: 500 11.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
}
.display {
  margin: 0;
  font: 400 clamp(46px, 7.4vw, 92px)/.98 var(--serif);
  font-variation-settings: "opsz" 72;
  letter-spacing: -.028em;
  color: var(--ink);
}
.display em { font-style: italic; }
.display.small { font-size: clamp(40px, 5.4vw, 64px); }
.dek { margin: 22px 0 0; max-width: 60ch; font-size: 17.5px; color: var(--ink-2); }
.dek kbd { opacity: .7; }

.scope {
  list-style: none; margin: 40px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
}
.scope li + li { border-left: 1px solid var(--rule); }
.scope a { display: block; padding: 14px 16px 16px; text-decoration: none; height: 100%; transition: background .15s; }
.scope li:first-child a { padding-left: 0; }
.scope a:hover { background: var(--paper-2); }
.scope li:first-child a:hover { background: none; }
.scope a:hover .ttl { color: var(--blue); }
.scope .pg { display: block; font: 400 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.scope .ttl { font: 400 21px/1.15 var(--serif); color: var(--ink); transition: color .15s; }
@media (max-width: 760px) {
  .scope { grid-template-columns: 1fr 1fr; }
  .scope li { border-left: 0 !important; border-bottom: 1px solid var(--rule); }
  .scope li a, .scope li:first-child a { padding: 12px 12px 12px 0; }
  .scope li:nth-child(even) a { padding-left: 12px; }
  .scope li:nth-child(even) { border-left: 1px solid var(--rule) !important; }
}

/* ───────── TOC ───────── */
.ref-body { display: grid; grid-template-columns: 196px minmax(0, 1fr); gap: clamp(28px, 4vw, 64px); align-items: start; }
.toc { position: sticky; top: calc(var(--header) + 28px); }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc a {
  display: grid; grid-template-columns: 28px 1fr auto; align-items: baseline;
  padding: 7px 0; text-decoration: none; color: var(--muted);
  font-size: 14.5px; line-height: 1.3;
  border-top: 1px solid var(--rule-2);
  transition: color .15s;
}
.toc li:first-child a { border-top-color: var(--ink); }
.toc a .n { font: 400 11px var(--mono); color: var(--faint); }
.toc a:hover { color: var(--ink); }
.toc a.on { color: var(--ink); font-weight: 500; }
.toc a.on .n { color: var(--blue); }
.toc .sc { font: 500 11px var(--mono); color: var(--faint); }
.toc .sc.good { color: var(--green); }
.toc .sc.mid { color: var(--amber); }
.toc .sc.low { color: var(--red); }

@media (max-width: 980px) {
  html { scroll-padding-top: calc(var(--header) + 64px); }
  .ref-body { grid-template-columns: minmax(0, 1fr); }
  .toc {
    top: var(--header); z-index: 10;
    margin: 0 calc(var(--gutter) * -1);
    padding: 0 var(--gutter);
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    overflow-x: auto; scrollbar-width: none;
  }
  .toc::-webkit-scrollbar { display: none; }
  .toc ol { display: flex; gap: 18px; white-space: nowrap; }
  .toc a { display: flex; gap: 6px; border: 0; padding: 12px 0; }
  .toc a.on { box-shadow: inset 0 -2px var(--ink); }
}

/* ───────── Reference doc ───────── */
.doc { --margin: 0px; min-width: 0; }
.doc > section { padding: 8px 0 56px; }
.doc > section + section { margin-top: 24px; }
.doc p, .doc ul, .doc ol, .doc dl { max-width: 68ch; }
.sec-head {
  display: grid; grid-template-columns: 56px 1fr; align-items: baseline;
  border-top: 1px solid var(--ink);
  padding-top: 20px; margin-bottom: 26px;
}
.sec-num { font: 400 13px var(--mono); color: var(--muted); }
.sec-head h2 {
  margin: 0;
  font: 400 clamp(34px, 4vw, 46px)/1.05 var(--serif);
  letter-spacing: -.02em; color: var(--ink);
}
.sec-sub { margin: 10px 0 0; font: 400 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 10px; }
.sec-sub .opt { color: var(--red); }

/* Margin marks — the workbook's D / C / P icons */
.mark {
  display: inline-grid; place-items: center;
  width: 20px; height: 20px;
  font: 600 10.5px/1 var(--sans); color: var(--paper); background: var(--ink);
  letter-spacing: 0;
}
.mark-d { border-radius: 50%; }
.mark-c { clip-path: polygon(50% 0, 100% 100%, 0 100%); padding-top: 6px; width: 22px; }
.mark-p { transform: rotate(45deg); width: 15px; height: 15px; margin: 0 3px; font-size: 0; }
.mark-p::after { content: 'P'; font: 600 9.5px/1 var(--sans); transform: rotate(-45deg); color: var(--paper); }

.doc h3 {
  margin: 48px 0 12px;
  font: 500 25px/1.2 var(--serif); color: var(--ink); letter-spacing: -.01em;
}
.h3n { font: 400 12px var(--mono); color: var(--faint); margin-right: 10px; vertical-align: 3px; }
.h3x { font-style: italic; font-weight: 400; color: var(--muted); }
.lead-in { margin-bottom: 10px; }

.rules, .steps { padding-left: 0; list-style: none; }
.rules li, .steps li { position: relative; padding: 7px 0 7px 22px; border-top: 1px solid var(--rule-2); }
.rules li:last-child, .steps li:last-child { border-bottom: 1px solid var(--rule-2); }
.rules li::before { content: ''; position: absolute; left: 2px; top: 17px; width: 8px; height: 1px; background: var(--ink); }
.steps { counter-reset: s; }
.steps li { counter-increment: s; padding-left: 30px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 9px; font: 500 12px var(--mono); color: var(--blue); }

/* Pairs grid (irregular forms) */
.pairs {
  list-style: none; padding: 0; margin: 0 0 18px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  border-top: 1px solid var(--rule);
  max-width: 68ch;
}
.pairs li {
  display: flex; justify-content: space-between; align-items: baseline; gap: 8px;
  padding: 8px 14px 8px 0; border-bottom: 1px solid var(--rule-2);
}
.pairs span { font-size: 14px; color: var(--muted); }
.pairs b { font: italic 500 17.5px var(--serif); color: var(--blue); }

/* Tables */
.scroll { overflow-x: auto; max-width: 100%; -webkit-overflow-scrolling: touch; margin: 14px 0 22px; }
.t { width: 100%; border-collapse: collapse; font-size: 15px; }
.t th {
  text-align: left; font: 500 11px/1.3 var(--mono); letter-spacing: .07em; text-transform: uppercase;
  color: var(--muted); padding: 8px 14px 8px 0; border-bottom: 1px solid var(--ink); vertical-align: bottom;
}
.t td { padding: 8px 14px 8px 0; border-bottom: 1px solid var(--rule-2); vertical-align: baseline; }
.t td.p, .t td.k, .t td.n, .t td.f { font-size: 13.5px; color: var(--muted); white-space: nowrap; }
.t td.n, .t td.f { font-family: var(--mono); font-size: 12px; }
.t.endings { max-width: 560px; }
.t.endings td:not(.p) { font: italic 18px var(--serif); color: var(--ink); }
.t.endings b { color: var(--blue); font-weight: 500; }
.t.key { min-width: 880px; }
.t.key th[scope=row] { text-transform: none; letter-spacing: 0; font: 400 13px var(--sans); color: var(--muted); border-bottom: 1px solid var(--rule-2); white-space: nowrap; padding-right: 20px; }
.t.key th[scope=row] .v { font: italic 500 18px var(--serif); color: var(--ink); margin-right: 6px; }
.t.key td { font: italic 17px var(--serif); color: var(--ink); white-space: nowrap; }
.t.pron { max-width: 480px; }
.t.pron td:not(.p) { font: italic 18px var(--serif); color: var(--ink); }
.t.cmd { max-width: 520px; }
.t.trad td.es { font-size: 17px; }
.t.meaning { max-width: 560px; }
.t.meaning td.es { font-size: 17.5px; }
.t.pairs-t { max-width: 460px; }
.t.pairs-t td.es { font-size: 17.5px; }
.t.formula td { vertical-align: top; }
.t.formula td b { color: var(--blue); font-weight: 500; }
.t.formula td.es { font-size: 16.5px; }

/* Examples list */
.ex { list-style: none; padding: 0; margin: 14px 0 22px; border-top: 1px solid var(--rule); }
.ex li { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 16px; padding: 9px 0; border-bottom: 1px solid var(--rule-2); align-items: baseline; }
.ex .es { font-size: 18px; }
.ex .gl { font-size: 13.5px; color: var(--muted); }
@media (max-width: 600px) { .ex li { grid-template-columns: 1fr; gap: 2px; } }

.formula-line { font: 400 15px var(--mono); color: var(--ink-2); padding: 14px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.formula-line b { color: var(--blue); font-weight: 500; }

/* Ser / estar split */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  margin: 22px 0 26px; max-width: 880px;
  border-top: 1px solid var(--ink);
}
.split .col { padding: 18px 28px 6px 0; }
.split .col + .col { padding-left: 28px; border-left: 1px solid var(--rule); }
.col-h { margin: 0 0 12px; font: italic 400 46px/1 var(--serif); color: var(--ink); letter-spacing: -.02em; }
.col-h.small { font-size: 30px; }
.col-h .dim { font-size: 15px; font-style: normal; font-family: var(--mono); }
.uses { margin: 0; }
.uses dt { font-size: 13.5px; color: var(--muted); margin-top: 12px; }
.uses dt:first-child { margin-top: 0; }
.uses dd { margin: 2px 0 0; font-size: 17.5px; }
.uses u { text-decoration-color: var(--red); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
.two-rule .col p { margin: 0 0 8px; }
.es.big { font-size: 21px; margin-top: 10px !important; }
@media (max-width: 680px) {
  .split { grid-template-columns: 1fr; }
  .split .col + .col { padding-left: 0; border-left: 0; border-top: 1px solid var(--rule); }
}

.symbols { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 28px; margin: 18px 0 8px; }
.symbols li { display: flex; align-items: baseline; gap: 10px; }
.symbols .sym { font: 500 20px var(--mono); color: var(--blue); min-width: 22px; }

/* Vocab */
.vocab { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; max-width: 900px; }
.vocab .vh { margin: 0 0 6px !important; font: 500 11.5px var(--mono) !important; letter-spacing: .12em; text-transform: uppercase; color: var(--muted) !important; }
.vocab dl { margin: 0; display: grid; grid-template-columns: auto 1fr; border-top: 1px solid var(--ink); }
.vocab dt, .vocab dd { padding: 7px 0; border-bottom: 1px solid var(--rule-2); margin: 0; }
.vocab dt { font: italic 17.5px var(--serif); color: var(--ink); padding-right: 18px; }
.vocab dd { font-size: 14.5px; color: var(--muted); }
@media (max-width: 720px) { .vocab { grid-template-columns: 1fr; gap: 28px; } }

.doc-end { border-top: 1px solid var(--ink); padding-top: 18px; font: italic 22px var(--serif); color: var(--ink); }
.doc-end a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 4px; }

/* Sidenotes: in the margin on wide screens, inline on narrow */
.note { display: block; font-size: 14px; line-height: 1.5; color: var(--ink-2); }
.note .lbl { display: block; font: 400 21px/1.1 var(--hand); color: var(--red); margin-bottom: 4px; transform: rotate(-1.5deg); transform-origin: left; }
.note .es { font-size: 1.04em; }

@media (min-width: 1240px) {
  .doc { padding-right: 290px; }
  .doc .wide { margin-right: -290px; max-width: none; }
  .note { float: right; clear: right; width: 240px; margin: 4px -290px 18px 0; padding-left: 16px; border-left: 1px solid var(--rule); }
  .doc > section::after { content: ''; display: block; clear: both; }
}
@media (max-width: 1239px) {
  .note { margin: 18px 0; padding: 14px 16px; background: var(--paper-2); border-radius: 6px; max-width: 68ch; }
}

/* ───────── Buttons ───────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--rule-strong); border-radius: 7px;
  background: transparent; color: var(--ink);
  font: 500 14.5px/1 var(--sans); cursor: pointer;
  transition: background .15s, border-color .15s, color .15s, transform .08s;
}
.btn:hover { border-color: var(--ink); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--ink-2); }
.btn.ghost { border-color: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--ink); border-color: var(--rule); }
.btn:disabled { opacity: .4; cursor: default; }
.linkish { background: none; border: 0; padding: 0; color: var(--muted); font-size: 13.5px; cursor: pointer; text-decoration: underline; text-decoration-color: var(--rule-strong); text-underline-offset: 3px; }
.linkish:hover { color: var(--ink); }

/* ───────── Flashcards ───────── */
.fc-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: clamp(28px, 5vw, 80px); align-items: start; }
.fc-side { position: sticky; top: calc(var(--header) + 28px); }
.side-h { margin: 0 0 10px; font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.decks { list-style: none; margin: 0 0 30px; padding: 0; border-top: 1px solid var(--ink); }
.decks button {
  width: 100%; display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; align-items: baseline;
  text-align: left; padding: 9px 0 10px; background: none; border: 0; border-bottom: 1px solid var(--rule-2);
  cursor: pointer; color: var(--ink-2); font-size: 15px;
}
.decks button:hover .dn { color: var(--ink); }
.decks .dn { transition: color .15s; }
.decks .dc { font: 400 12px var(--mono); color: var(--faint); }
.decks .opt-tag { font: 400 10.5px var(--mono); color: var(--red); margin-left: 6px; text-transform: uppercase; letter-spacing: .05em; }
.decks .bar { grid-column: 1 / -1; height: 2px; background: var(--rule-2); position: relative; margin-top: 6px; }
.decks .bar i { position: absolute; inset: 0 auto 0 0; background: var(--green); transition: width .4s; }
.decks button[aria-pressed="true"] .dn { color: var(--ink); font-weight: 600; }
.decks button[aria-pressed="true"] { box-shadow: inset 3px 0 0 var(--ink); padding-left: 12px; }
.decks .sep { height: 14px; }
.opts { display: grid; gap: 22px; }
.seg { display: inline-flex; border: 1px solid var(--rule-strong); border-radius: 7px; overflow: hidden; }
.seg button { padding: 7px 13px; background: none; border: 0; font-size: 13.5px; color: var(--muted); cursor: pointer; }
.seg button + button { border-left: 1px solid var(--rule-strong); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.reset { justify-self: start; }

.stage { max-width: 720px; min-width: 0; }
.stage-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.counter { font: 400 12.5px var(--mono); color: var(--muted); letter-spacing: .04em; }
.counter b { color: var(--ink); font-weight: 500; }

.deck-stack { position: relative; perspective: 1600px; }
.deck-stack::before, .deck-stack::after {
  content: ''; position: absolute; inset: 0;
  background: var(--card); border-radius: 6px;
  box-shadow: 0 1px 2px rgb(var(--shadow) / .08);
  border: 1px solid var(--rule-2);
}
.deck-stack::before { transform: rotate(1.6deg) translate(6px, 6px); }
.deck-stack::after { transform: rotate(-.9deg) translate(-3px, 4px); }
.deck-stack.empty::before, .deck-stack.empty::after { display: none; }

.card {
  position: relative; z-index: 1;
  display: grid;
  transform-style: preserve-3d;
  transition: transform .55s cubic-bezier(.3,.8,.25,1);
  cursor: pointer; outline: none;
}
.card.flipped { transform: rotateY(180deg); }
.card.instant { transition: none; }
.card.enter { animation: deal .38s cubic-bezier(.2,.8,.2,1); }
@keyframes deal { from { opacity: 0; transform: translateY(10px) rotate(-.6deg); } to { opacity: 1; transform: none; } }
.face {
  grid-area: 1 / 1;
  min-height: 340px;
  display: flex; flex-direction: column;
  padding: 0 clamp(20px, 4vw, 40px) 30px;
  border-radius: 6px;
  border: 1px solid var(--rule-2);
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  box-shadow: 0 1px 1px rgb(var(--shadow) / .06), 0 18px 40px -18px rgb(var(--shadow) / .35);
  background:
    linear-gradient(var(--card-red), var(--card-red)) 0 58px / 100% 1.5px no-repeat,
    repeating-linear-gradient(to bottom, transparent 0 31px, var(--card-line) 31px 32px) 0 90px / 100% calc(100% - 90px) no-repeat,
    var(--card);
}
.face.back { transform: rotateY(180deg); }
.face-head { height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tag { font: 500 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.tag.deck { color: var(--faint); letter-spacing: .06em; }
.face-body { flex: 1; display: flex; flex-direction: column; justify-content: center; padding-top: 26px; }
.prompt { font: 400 clamp(38px, 6vw, 58px)/1.08 var(--serif); color: var(--ink); letter-spacing: -.02em; }
.prompt.long { font-size: clamp(24px, 3.4vw, 32px); line-height: 1.28; letter-spacing: -.01em; }
.prompt .hint { font-family: var(--sans); font-size: .5em; color: var(--muted); letter-spacing: 0; white-space: nowrap; }
.prompt.long .hint { font-size: .6em; }
.blank-line { display: inline-block; width: 2.6em; border-bottom: 2px solid var(--ink-2); vertical-align: -.08em; margin: 0 .08em; }
.sub { margin-top: 10px; font: 400 18px var(--sans); color: var(--muted); }
.sub .gl { font-style: italic; font-family: var(--serif); }
.answer { font: italic 400 clamp(34px, 5.4vw, 52px)/1.12 var(--serif); color: var(--blue); letter-spacing: -.015em; }
.answer.long { font-size: clamp(22px, 3.2vw, 30px); line-height: 1.3; }
.back .q { font-size: 14px; color: var(--muted); margin-bottom: 8px; }
.back .note-line { margin-top: 16px; font-size: 15px; color: var(--ink-2); max-width: 52ch; }
.verdict { margin-top: 16px; font: 400 22px/1.2 var(--hand); }
.verdict.ok { color: var(--green); }
.verdict.accent { color: var(--amber); }
.verdict.bad { color: var(--red); }
.verdict s { text-decoration-thickness: 2px; }

.type-row { display: flex; gap: 10px; margin-top: 22px; }
.type-in {
  flex: 1; min-width: 0;
  font: italic 22px var(--serif); color: var(--blue);
  background: transparent; border: 0; border-bottom: 1.5px solid var(--rule-strong);
  padding: 8px 2px; outline: none; border-radius: 0;
}
.type-in:focus { border-bottom-color: var(--blue); }
.type-in::placeholder { color: var(--faint); }
.type-in:disabled { opacity: .5; }

.controls { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.controls .again:not(:disabled):hover { border-color: var(--red); color: var(--red); }
.controls .know:not(:disabled):hover { border-color: var(--green); color: var(--green); }
.controls .btn.suggest.again { border-color: var(--red); color: var(--red); }
.controls .btn.suggest.know { border-color: var(--green); color: var(--green); }

.ticks { display: flex; flex-wrap: wrap; gap: 3px; margin-top: 28px; }
.ticks i { width: 7px; height: 16px; border-radius: 1px; background: var(--rule); transition: background .25s, transform .25s; }
.ticks i.ok { background: var(--green); }
.ticks i.miss { background: var(--red); }
.ticks i.now { transform: scaleY(1.35); background: var(--ink); }
.ticks i.ok.now { background: var(--green); }
.ticks i.miss.now { background: var(--red); }

.done { padding: 8px 0; margin-top: 28px; }
.done .big { font: 400 clamp(64px, 10vw, 110px)/1 var(--serif); color: var(--ink); letter-spacing: -.03em; }
.done .big small { font-size: .38em; color: var(--muted); letter-spacing: 0; }
.done .said { font: 400 26px/1.2 var(--hand); color: var(--green); margin: 10px 0 24px; transform: rotate(-1deg); transform-origin: left; }
.done .said.meh { color: var(--amber); }
.done .missed-h { margin: 28px 0 8px; font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.done ul { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--ink); }
.done li { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 16px; padding: 9px 0; border-bottom: 1px solid var(--rule-2); font-size: 15px; }
.done li .a { font: italic 17px var(--serif); color: var(--blue); }
.done .row { display: flex; gap: 10px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .fc-layout { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .fc-side { position: static; }
  .decks { display: flex; overflow-x: auto; gap: 18px; border-top: 0; border-bottom: 1px solid var(--rule); margin: 0 calc(var(--gutter) * -1) 16px; padding: 0 var(--gutter); scrollbar-width: none; }
  .decks::-webkit-scrollbar { display: none; }
  .decks li { flex: none; }
  .decks button { border: 0; padding: 10px 0; display: flex; gap: 6px; }
  .decks button[aria-pressed="true"] { box-shadow: inset 0 -2px var(--ink); padding-left: 0; }
  .decks .bar, .decks .sep { display: none; }
  .opts { grid-template-columns: auto auto 1fr; align-items: end; gap: 16px; }
  .reset { justify-self: end; }
  .fc-side > .side-h:first-child { display: none; }
}
@media (max-width: 560px) {
  .opts { grid-template-columns: auto auto; }
  .reset { grid-column: 1 / -1; justify-self: start; }
  .face { min-height: 300px; }
  .controls .btn { flex: 1; justify-content: center; }
  .controls kbd { display: none; }
}

/* ───────── Practice ───────── */
.pr-list { min-width: 0; }
.exo { padding: 8px 0 56px; }
.exo + .exo { margin-top: 12px; }
.exo-head {
  display: grid; grid-template-columns: 56px 1fr auto; align-items: baseline; gap: 0 12px;
  border-top: 1px solid var(--ink); padding-top: 18px; margin-bottom: 18px;
}
.exo-letter { font: italic 400 34px/1 var(--serif); color: var(--blue); }
.exo-head h2 { margin: 0; font: 400 clamp(26px, 3vw, 34px)/1.1 var(--serif); color: var(--ink); letter-spacing: -.015em; }
.exo-meta { margin: 8px 0 0; font: 400 11.5px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.exo-meta .opt { color: var(--red); }
.exo-score { font: 400 26px/1 var(--hand); color: var(--muted); white-space: nowrap; }
.exo-score.good { color: var(--green); }
.exo-score.mid { color: var(--amber); }
.exo-score.low { color: var(--red); }
.instr { margin: 0 0 20px; max-width: 68ch; color: var(--ink-2); }

.passage { max-width: 74ch; font: 400 19px/2.15 var(--serif); color: var(--ink); }
.passage p { margin: 0 0 14px; }
.items { list-style: none; margin: 0; padding: 0; max-width: 80ch; counter-reset: it; border-top: 1px solid var(--rule); }
.items > li {
  counter-increment: it;
  display: grid; grid-template-columns: 34px minmax(0, 1fr);
  padding: 12px 0; border-bottom: 1px solid var(--rule-2);
  font: 400 18.5px/2 var(--serif); color: var(--ink);
}
.items > li::before { content: counter(it) '.'; font: 400 12.5px/2.9 var(--mono); color: var(--faint); }
.items .pmt { display: block; font: 500 12.5px/1.5 var(--mono); color: var(--muted); letter-spacing: .02em; margin: 4px 0 2px; }

.blank {
  font: italic 400 1em/1.2 var(--serif); color: var(--blue);
  background: transparent;
  border: 0; border-bottom: 1.5px solid var(--rule-strong); border-radius: 0;
  padding: 0 3px 1px; margin: 0 2px;
  min-width: 3.5ch; outline: none;
  transition: border-color .15s, background .15s;
}
.blank:focus { border-bottom-color: var(--blue); background: var(--blue-wash); }
.blank.ok { border-bottom-color: var(--green); color: var(--green); }
.blank.accent { border-bottom-color: var(--amber); }
.blank.bad { border-bottom-color: var(--red); text-decoration: line-through; text-decoration-color: var(--red); text-decoration-thickness: 1.5px; }
.blank.empty { border-bottom-color: var(--red); border-bottom-style: dashed; }
.blank.shown { color: var(--ink-2); border-bottom-style: dotted; }
.sup { font: 400 10.5px var(--mono); color: var(--faint); vertical-align: super; margin-right: 2px; }
.fix { font: 400 1.02em/1 var(--hand); color: var(--red); margin: 0 6px 0 2px; white-space: nowrap; display: inline-block; transform: rotate(-2deg) translateY(-2px); }
.fix.accent { color: var(--amber); }

.translate-in { width: 100%; font-size: 19px; padding: 2px 3px 4px; margin: 0; }
.items .fix-line { display: block; line-height: 1.6; }
.items .fix-line .fix { margin-left: 0; }

.exo-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

.why { list-style: none; margin: 22px 0 0; padding: 0; max-width: 80ch; columns: 2 320px; column-gap: 32px; }
.why li { break-inside: avoid; display: grid; grid-template-columns: 28px 1fr; padding: 7px 0; border-top: 1px solid var(--rule-2); font-size: 14.5px; line-height: 1.5; color: var(--ink-2); }
.why .wn { font: 500 12px/1.9 var(--mono); color: var(--faint); }
.why li.bad .wn, .why li.empty .wn { color: var(--red); }
.why li.accent .wn { color: var(--amber); }
.why li.ok .wn { color: var(--green); }
.why b { font: italic 500 16px var(--serif); color: var(--ink); }
.why-h { margin: 26px 0 0; font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

.cast { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0 20px; margin: 0 0 22px; max-width: 80ch; border-top: 1px solid var(--rule); }
.cast div { padding: 8px 0; border-bottom: 1px solid var(--rule-2); }
.cast dt { font: italic 500 18px var(--serif); color: var(--ink); }
.cast dd { margin: 0; font-size: 13.5px; color: var(--muted); }
.facts { margin: 0 0 22px; padding: 0; list-style: none; max-width: 74ch; border-left: 1px solid var(--rule-strong); padding-left: 18px; }
.facts li { font-size: 15px; color: var(--ink-2); padding: 3px 0; }
.t.mini { max-width: 640px; }
.t.mini th[scope=row] { text-transform: none; letter-spacing: 0; font: 400 14px var(--sans); color: var(--muted); border-bottom: 1px solid var(--rule-2); }
.t.mini td { font-size: 15px; color: var(--ink); }

/* Conjugation grid */
.grid-wrap { overflow-x: auto; margin: 0 0 4px; }
.cgrid { border-collapse: collapse; min-width: 980px; width: 100%; }
.cgrid th { font: 500 10.5px/1.25 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); text-align: left; padding: 6px 8px 8px 0; vertical-align: bottom; }
.cgrid thead tr:first-child th { border-bottom: 1px solid var(--rule); }
.cgrid thead tr:last-child th { border-bottom: 1px solid var(--ink); color: var(--faint); }
.cgrid thead th.grp { text-align: left; }
.cgrid tbody th { padding: 10px 14px 10px 0; border-bottom: 1px solid var(--rule-2); white-space: nowrap; text-transform: none; letter-spacing: 0; }
.cgrid tbody th .v { display: block; font: italic 500 19px/1.1 var(--serif); color: var(--ink); }
.cgrid tbody th .p { font: 400 12.5px var(--sans); color: var(--muted); }
.cgrid td { padding: 10px 10px 10px 0; border-bottom: 1px solid var(--rule-2); vertical-align: top; }
.cgrid .blank { width: 100%; font-size: 17px; margin: 0; padding: 3px 3px 2px; }
.cgrid .fix { display: block; font-size: 17px; margin: 6px 0 0; transform: rotate(-1.5deg); }
.cgrid td.gstart, .cgrid th.gstart { padding-left: 10px; border-left: 1px solid var(--rule-2); }

/* Accent bar */
.accentbar {
  position: fixed; left: 50%; bottom: 18px; z-index: 30;
  display: flex; align-items: center; gap: 2px;
  padding: 5px;
  background: var(--ink); color: var(--paper);
  border-radius: 10px;
  box-shadow: 0 10px 30px -10px rgb(0 0 0 / .45);
  transform: translate(-50%, 140%); opacity: 0;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), opacity .2s;
  pointer-events: none;
}
.accentbar.on { transform: translate(-50%, 0); opacity: 1; pointer-events: auto; }
.accentbar button {
  width: 36px; height: 36px; border: 0; border-radius: 7px;
  background: transparent; color: inherit; cursor: pointer;
  font: italic 400 20px/1 var(--serif);
}
.accentbar button:hover { background: rgb(255 255 255 / .12); }
:root[data-theme="dark"] .accentbar button:hover { background: rgb(0 0 0 / .1); }
.ab-hint { font: 400 10.5px var(--mono); opacity: .55; padding: 0 8px 0 6px; white-space: nowrap; }
@media (max-width: 520px) {
  .accentbar button { width: 30px; }
  .ab-hint { display: none; }
}

/* Print: the reference becomes a cheat sheet */
@media print {
  .top, .toc, .accentbar, .scope, .doc-end { display: none !important; }
  body { background: #fff; font-size: 11pt; }
  main { padding: 0; }
  .ref-body { display: block; }
  .doc { padding: 0 !important; }
  .note { float: none !important; margin: 8px 0 !important; width: auto !important; }
  #view-tarjetas, #view-practica { display: none !important; }
  #view-referencia { display: block !important; }
}

/* "works like" tag on the twin-verb table */
.t.key th[scope=row] .like { display: block; font: 400 10.5px/1.4 var(--mono); letter-spacing: .04em; color: var(--blue); text-transform: none; }