/* ==========================================================================
   Ordkort — a "card index": warm paper, cards with a red rule,
   decks as folders with coloured tabs. Fonts: Geologica (interface),
   Literata (words and dictionary entries), Readex Pro / Noto Naskh for Arabic.
   ========================================================================== */

:root {
  --paper: #f4efe6;
  --paper-2: #ebe4d6;
  --card: #fffdf8;
  --ink: #1d1a16;
  --ink-2: #5a5347;
  --ink-3: #8f877a;
  --line: #e4dccc;
  --line-2: #d2c7b2;

  --blue: #2f4bd9;
  --blue-ink: #2139b0;
  --blue-edge: #1d2f96;
  --blue-soft: #e2e7fc;
  --red: #d9481f;
  --red-edge: #a93a18;
  --red-soft: #fce3d9;
  --green: #1a8f59;
  --green-edge: #11683f;
  --green-soft: #d8f1e3;
  --yellow: #f2c14e;
  --yellow-ink: #8a5a00;
  --yellow-soft: #fbf0ce;
  --marker: rgba(242, 193, 78, 0.45);
  --ob: #9b2335;

  --rule: rgba(47, 75, 217, 0.1);
  --red-line: rgba(217, 72, 31, 0.5);
  --noise: 0.05;

  --t-start: #f7df94;
  --t-people: #f6c7d2;
  --t-daily: #f8cdb0;
  --t-world: #c7e6c3;
  --t-society: #c6d7f5;
  --t-grammar: #dccdf5;
  --t-custom: #e7dac4;

  --p-noun: #2f4bd9;
  --p-verb: #d9480f;
  --p-adjective: #2b8a3e;
  --p-adverb: #0b7285;
  --p-pronoun: #7048e8;
  --p-preposition: #b7791f;
  --p-article: #6f6758;
  --p-determiner: #8c6d46;
  --p-conjunction: #c2255c;
  --p-numeral: #a0522d;
  --p-particle: #5c7080;
  --p-interjection: #e64980;
  --p-other: #868e96;

  --shadow: 0 1px 0 rgba(29, 26, 22, 0.04), 0 14px 30px -20px rgba(60, 40, 10, 0.4);
  --shadow-lg: 0 26px 60px -26px rgba(40, 30, 10, 0.5);

  --font-ui: 'Geologica', 'Readex Pro', system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Malgun Gothic', 'Nirmala UI', sans-serif;
  --font-serif: 'Literata', 'Noto Naskh Arabic', Georgia, 'Songti SC', 'SimSun', 'Yu Mincho', serif;
  --radius: 18px;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --paper: #15130f;
    --paper-2: #26221b;
    --card: #1e1b16;
    --ink: #f2ece1;
    --ink-2: #bdb4a4;
    --ink-3: #8a8272;
    --line: #322d24;
    --line-2: #463f33;
    --blue: #4c63ee;
    --blue-ink: #a9b6ff;
    --blue-edge: #2e40b8;
    --blue-soft: #232a4d;
    --red: #e0592f;
    --red-edge: #9c3a1b;
    --red-soft: #3d2419;
    --green: #22955f;
    --green-edge: #146641;
    --green-soft: #173527;
    --yellow-ink: #f2c14e;
    --yellow-soft: #3a3120;
    --marker: rgba(242, 193, 78, 0.28);
    --ob: #e0677a;
    --rule: rgba(140, 160, 255, 0.07);
    --red-line: rgba(255, 122, 80, 0.42);
    --noise: 0.035;
    --t-start: #4a3f1e;
    --t-people: #4a2a33;
    --t-daily: #4d3021;
    --t-world: #243d27;
    --t-society: #22324f;
    --t-grammar: #372b52;
    --t-custom: #3d3528;
    --p-noun: #8c9dff;
    --p-verb: #ff8a5c;
    --p-adjective: #69db7c;
    --p-adverb: #3bc9db;
    --p-pronoun: #b197fc;
    --p-preposition: #f0b54a;
    --p-article: #b5ac9c;
    --p-determiner: #d0ab7a;
    --p-conjunction: #f783ac;
    --p-numeral: #e59866;
    --p-particle: #a5b4c3;
    --p-interjection: #faa2c1;
    --p-other: #adb5bd;
    --shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 14px 30px -18px rgba(0, 0, 0, 0.7);
    --shadow-lg: 0 26px 60px -24px rgba(0, 0, 0, 0.8);
    color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --paper: #15130f;
  --paper-2: #26221b;
  --card: #1e1b16;
  --ink: #f2ece1;
  --ink-2: #bdb4a4;
  --ink-3: #8a8272;
  --line: #322d24;
  --line-2: #463f33;
  --blue: #4c63ee;
  --blue-ink: #a9b6ff;
  --blue-edge: #2e40b8;
  --blue-soft: #232a4d;
  --red: #e0592f;
  --red-edge: #9c3a1b;
  --red-soft: #3d2419;
  --green: #22955f;
  --green-edge: #146641;
  --green-soft: #173527;
  --yellow-ink: #f2c14e;
  --yellow-soft: #3a3120;
  --marker: rgba(242, 193, 78, 0.28);
  --ob: #e0677a;
  --rule: rgba(140, 160, 255, 0.07);
  --red-line: rgba(255, 122, 80, 0.42);
  --noise: 0.035;
  --t-start: #4a3f1e;
  --t-people: #4a2a33;
  --t-daily: #4d3021;
  --t-world: #243d27;
  --t-society: #22324f;
  --t-grammar: #372b52;
  --t-custom: #3d3528;
  --p-noun: #8c9dff;
  --p-verb: #ff8a5c;
  --p-adjective: #69db7c;
  --p-adverb: #3bc9db;
  --p-pronoun: #b197fc;
  --p-preposition: #f0b54a;
  --p-article: #b5ac9c;
  --p-determiner: #d0ab7a;
  --p-conjunction: #f783ac;
  --p-numeral: #e59866;
  --p-particle: #a5b4c3;
  --p-interjection: #faa2c1;
  --p-other: #adb5bd;
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 14px 30px -18px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 26px 60px -24px rgba(0, 0, 0, 0.8);
  color-scheme: dark;
}

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

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 90px; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.55 var(--font-ui);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
/* a light paper grain */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: var(--noise);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .5 0 0 0 0 .4 0 0 0 0 .25 0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

a { color: var(--blue-ink); }
button, input, select, textarea { font: inherit; color: inherit; }
button { -webkit-tap-highlight-color: transparent; }
img, svg { flex-shrink: 0; }
::selection { background: var(--marker); }
:focus-visible { outline: 2.5px solid var(--blue); outline-offset: 2px; border-radius: 8px; }
[hidden] { display: none !important; }

:lang(zh) { font-family: 'Literata', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif; }
:lang(ja) { font-family: 'Literata', 'Hiragino Sans', 'Yu Gothic', 'Noto Sans JP', sans-serif; }
:lang(ko) { font-family: 'Literata', 'Apple SD Gothic Neo', 'Malgun Gothic', 'Noto Sans KR', sans-serif; }
.serif:lang(ar), .serif:lang(fa), .serif:lang(ur), .serif:lang(ps), .serif:lang(prs), .serif:lang(ckb) { font-family: 'Noto Naskh Arabic', var(--font-serif); line-height: 1.7; }

.shell { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.main { padding-top: 26px; padding-bottom: 20px; min-height: calc(100vh - 220px); }

/* ---------- typography ---------- */
.display,
.onb-hero h1 {
  font-family: var(--font-serif);
  font-weight: 620;
  font-size: clamp(34px, 5.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.028em;
  margin: 0;
  text-wrap: balance;
}
.display.sm { font-size: clamp(26px, 3.8vw, 38px); line-height: 1.1; }
.display em,
.onb-hero h1 em {
  font-style: italic;
  font-weight: 480;
  background: linear-gradient(transparent 60%, var(--marker) 60%, var(--marker) 92%, transparent 92%);
  padding: 0 0.06em;
}
.lede { font-size: 17.5px; color: var(--ink-2); max-width: 62ch; margin: 12px 0 0; text-wrap: pretty; }
.muted { color: var(--ink-2); }
.small { font-size: 13.5px; }
.serif { font-family: var(--font-serif); }
.d-block { display: block; }
.center { text-align: center; justify-content: center; }
.pad { padding: 24px; }
.row { display: flex; align-items: center; }
.gap { gap: 10px; }
.wrap { flex-wrap: wrap; }
.grow { flex: 1; }
.k { color: var(--ink-3); font-weight: 600; font-size: 12.5px; letter-spacing: 0.04em; text-transform: uppercase; margin-inline-end: 8px; }
code { font-family: ui-monospace, 'Cascadia Code', Consolas, monospace; font-size: 0.9em; background: var(--paper-2); padding: 1px 5px; border-radius: 5px; }

/* ---------- buttons ---------- */
.btn {
  --bg: var(--card);
  --fg: var(--ink);
  --edge: var(--line-2);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 14px;
  border: 1.5px solid var(--edge);
  background: var(--bg);
  color: var(--fg);
  font: 600 15px/1.2 var(--font-ui);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  box-shadow: 0 3px 0 var(--edge);
  transition: transform 0.08s ease, box-shadow 0.08s ease, filter 0.15s, background 0.15s;
  user-select: none;
}
.btn:hover { filter: brightness(1.04); }
.btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--edge); }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; filter: none; }
.btn-primary { --bg: var(--blue); --fg: #fff; --edge: var(--blue-edge); }
.btn-soft { --bg: var(--blue-soft); --fg: var(--blue-ink); --edge: color-mix(in srgb, var(--blue) 35%, var(--blue-soft)); }
.btn-ghost { --bg: transparent; --edge: var(--line-2); }
.btn-ghost:hover { --bg: var(--card); }
.btn-danger { --bg: var(--red); --fg: #fff; --edge: var(--red-edge); }
.btn.danger { --fg: var(--red); }
.btn-lg { padding: 15px 24px; font-size: 16.5px; border-radius: 16px; }
.btn-sm { padding: 7px 12px; font-size: 13.5px; border-radius: 11px; box-shadow: 0 2px 0 var(--edge); gap: 6px; }
.btn-count { background: rgba(255, 255, 255, 0.22); padding: 2px 9px; border-radius: 999px; font-size: 13px; font-variant-numeric: tabular-nums; }
.btn-soft .btn-count, .btn-ghost .btn-count { background: var(--paper-2); }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 0;
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.icon-btn:hover, .icon-btn.active { background: var(--paper-2); color: var(--ink); }
.icon-btn.danger:hover { color: var(--red); background: var(--red-soft); }
.icon-btn.sm { width: 34px; height: 34px; border-radius: 10px; }

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  border: 0;
  background: none;
  color: var(--blue-ink);
  font-weight: 550;
  text-decoration: none;
  cursor: pointer;
}
.link-btn:hover { text-decoration: underline; text-underline-offset: 3px; }
.link-btn.small { font-size: 13.5px; }
.link-btn[disabled] { color: var(--ink-3); cursor: default; text-decoration: none; }

.speak {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1.5px solid var(--line-2);
  background: var(--card);
  color: var(--blue-ink);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.1s;
}
.speak:hover { background: var(--blue-soft); }
.speak:active { transform: scale(0.94); }
.speak.lg { width: 46px; height: 46px; box-shadow: 0 2px 0 var(--line-2); }
.speak.sm { width: 26px; height: 26px; border: 0; background: transparent; }
.speak.sm:hover { background: var(--blue-soft); }

/* ---------- fields ---------- */
.input,
.select {
  width: 100%;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1.5px solid var(--line-2);
  background: var(--card);
  color: var(--ink);
  font-size: 15.5px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.input::placeholder, textarea::placeholder { color: var(--ink-3); }
.input:focus, .select:focus { border-color: var(--blue); box-shadow: 0 0 0 4px var(--blue-soft); }
textarea.input { resize: vertical; min-height: 64px; line-height: 1.45; }
.select {
  width: auto;
  max-width: 100%;
  appearance: none;
  padding-inline-end: 36px;
  cursor: pointer;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%238f877a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='m6 9 6 6 6-6'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
}
[dir='rtl'] .select { background-position: left 10px center; }
.select.narrow { min-width: 96px; }

.switch {
  appearance: none;
  width: 46px;
  height: 28px;
  border-radius: 999px;
  background: var(--line-2);
  position: relative;
  cursor: pointer;
  margin: 0;
  transition: background 0.2s;
}
.switch::before {
  content: '';
  position: absolute;
  top: 3px;
  inset-inline-start: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s;
}
.switch:checked { background: var(--green); }
.switch:checked::before { transform: translateX(18px); }
[dir='rtl'] .switch:checked::before { transform: translateX(-18px); }

.seg {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 3px;
  border-radius: 12px;
  background: var(--paper-2);
  border: 1px solid var(--line);
}
.seg button {
  border: 0;
  background: transparent;
  padding: 7px 12px;
  border-radius: 9px;
  font: 600 13.5px/1.2 var(--font-ui);
  color: var(--ink-2);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.seg button:hover { color: var(--ink); }
.seg button.on { background: var(--card); color: var(--ink); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08), 0 0 0 1px var(--line); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  color: var(--ink);
  font: 500 14px/1.3 var(--font-ui);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.chip:hover { background: var(--card); border-color: var(--ink-3); }
.chip small { color: var(--ink-3); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }

.pill { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 999px; background: var(--paper-2); color: var(--ink-2); font: 500 13px/1.4 var(--font-ui); }
.pill.due { background: var(--red); color: #fff; font-weight: 600; }

/* ---------- header ---------- */
.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid var(--line);
}
.top-in { display: flex; align-items: center; gap: 18px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand-name { font: 700 25px/1 var(--font-serif); letter-spacing: -0.035em; }
.logo { transform: rotate(-4deg); transition: transform 0.3s; }
.brand:hover .logo { transform: rotate(4deg) scale(1.05); }

.tabs {
  display: flex;
  gap: 2px;
  margin-inline: auto;
  padding: 4px;
  border-radius: 999px;
  background: var(--paper-2);
  border: 1px solid var(--line);
}
.tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--ink-2);
  font: 550 14.5px/1.2 var(--font-ui);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}
.tab:hover { color: var(--ink); }
.tab.active { background: var(--card); color: var(--ink); box-shadow: 0 1px 0 var(--line-2), 0 3px 10px -5px rgba(0, 0, 0, 0.18); }
.tab .ico { transition: transform 0.2s; }
.tab.active .ico { color: var(--blue); }

.top-actions { display: flex; align-items: center; gap: 4px; }
.pair {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 40px;
  padding: 0 12px 0 14px;
  margin-inline-end: 4px;
  border-radius: 999px;
  border: 1.5px solid var(--line-2);
  background: var(--card);
  color: var(--ink);
  font: 600 14px/1 var(--font-ui);
  cursor: pointer;
  box-shadow: 0 2px 0 var(--line-2);
}
.pair:active { transform: translateY(1px); box-shadow: 0 1px 0 var(--line-2); }
.pair-from { color: var(--ink-3); font-size: 12px; letter-spacing: 0.06em; }
.pair .ico-arrow { color: var(--ink-3); }
.pair-to { max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pair .ico-chevron { color: var(--ink-3); }

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin-top: 64px;
  padding-top: 26px;
  padding-bottom: 40px;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 13px;
}
.foot-links { display: flex; gap: 18px; }
.foot-links a { color: var(--ink-2); text-decoration: none; }
.foot-links a:hover { text-decoration: underline; }

/* ---------- home ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 1fr);
  gap: 32px;
  align-items: end;
  padding-top: 18px;
}
.hello { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 14px; margin: 0 0 12px; }
.hello-word { font-size: 28px; font-style: italic; font-weight: 500; color: var(--red); }
.hello-sub { color: var(--ink-3); font-size: 14px; }
.hero .lede { margin-bottom: 26px; }

.stats-card {
  position: relative;
  background: var(--card) linear-gradient(var(--red-line), var(--red-line)) 0 72px / 100% 2px no-repeat;
  border: 1.5px solid var(--line);
  border-radius: 22px;
  padding: 16px 22px 18px;
  box-shadow: var(--shadow);
}
.streak { display: flex; align-items: center; gap: 12px; height: 46px; }
.streak-ico { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--paper-2); color: var(--ink-3); }
.streak-ico.lit { background: #ffe6c2; color: #e8590c; }
:root[data-theme='dark'] .streak-ico.lit { background: #4a2e12; color: #ff922b; }
@media (prefers-color-scheme: dark) { :root:not([data-theme='light']) .streak-ico.lit { background: #4a2e12; color: #ff922b; } }
.streak-n { display: block; font: 700 30px/1 var(--font-serif); }
.streak-l { display: block; color: var(--ink-2); font-size: 13.5px; }
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; margin: 26px 0 16px; }
.wd { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.wd i { width: 26px; height: 26px; border-radius: 50%; border: 2px dashed var(--line-2); display: grid; place-items: center; }
.wd.done i { border: 0; background: var(--green); }
.wd.done i::after { content: ''; width: 9px; height: 5px; border: 2.5px solid #fff; border-top: 0; border-right: 0; transform: rotate(-45deg) translate(1px, -1px); }
.wd.today i { border-style: solid; border-color: var(--ink); }
.wd.today.done i { box-shadow: 0 0 0 3px var(--green-soft); }
.wd small { font-size: 11px; color: var(--ink-3); text-transform: uppercase; }
.mini-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; border-top: 1px dashed var(--line); padding-top: 14px; }
.mini b { display: block; font: 650 25px/1.1 var(--font-serif); font-variant-numeric: tabular-nums; }
.mini span { font-size: 12.5px; color: var(--ink-2); }
.mini.due b { color: var(--red); }

.block { margin-top: 56px; }
.block-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px 20px; margin-bottom: 16px; }
.block-head.wrap { flex-wrap: wrap; }
.block-head h2, .list-head h2 { font: 650 24px/1.2 var(--font-ui); letter-spacing: -0.015em; margin: 0; }
.block-head p { margin: 4px 0 0; }

/* decks as folders */
.deck-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(212px, 1fr)); gap: 30px 18px; padding-top: 12px; }
.deck {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 172px;
  padding: 16px 16px 14px;
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.2s ease;
}
.deck::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--tab);
  border-radius: 16px;
  border-start-start-radius: 0;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05), 0 12px 24px -16px rgba(40, 30, 10, 0.45);
}
.deck::before {
  content: '';
  position: absolute;
  top: -11px;
  inset-inline-start: 0;
  width: 44%;
  height: 12px;
  z-index: -1;
  background: var(--tab);
  border-start-start-radius: 10px;
  border-start-end-radius: 12px;
}
.deck-paper {
  position: absolute;
  z-index: -2;
  top: -9px;
  inset-inline-start: 34%;
  inset-inline-end: 18px;
  height: 44px;
  background: var(--card) linear-gradient(var(--red-line), var(--red-line)) 0 7px / 100% 1.5px no-repeat;
  border-radius: 6px;
  box-shadow: 0 0 0 1px var(--line);
  transition: transform 0.25s cubic-bezier(0.3, 1.4, 0.5, 1);
}
.deck:hover { transform: translateY(-3px); }
.deck:hover .deck-paper { transform: translateY(-7px) rotate(2deg); }
.deck-top { display: flex; justify-content: space-between; align-items: flex-start; }
.deck-emoji { font-size: 30px; line-height: 1; }
.deck-level { font: 700 11.5px/1 var(--font-ui); letter-spacing: 0.06em; padding: 5px 8px; border-radius: 999px; background: color-mix(in srgb, var(--card) 60%, transparent); }
.deck-title { font: 650 17px/1.25 var(--font-ui); letter-spacing: -0.01em; margin-top: 8px; }
.deck-meta { font-size: 13.5px; color: color-mix(in srgb, var(--ink) 70%, transparent); display: flex; align-items: center; gap: 8px; }
.deck .bar { margin-top: auto; }
.bar { height: 6px; border-radius: 999px; background: color-mix(in srgb, var(--ink) 10%, transparent); overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--ink); border-radius: inherit; transition: width 0.4s; }
.deck-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 12.5px; color: color-mix(in srgb, var(--ink) 75%, transparent); }
.deck-foot .pill { background: color-mix(in srgb, var(--card) 65%, transparent); color: var(--ink); font-size: 12px; }
.deck-foot .pill.due { background: var(--red); color: #fff; }

.spin { display: inline-block; width: 15px; height: 15px; border-radius: 50%; border: 2px solid currentColor; border-inline-end-color: transparent; animation: spin 0.8s linear infinite; flex-shrink: 0; }
@keyframes spin { to { transform: rotate(360deg); } }
.gen { display: inline-flex; align-items: center; gap: 8px; color: var(--blue-ink); font-weight: 550; }

/* topic catalogue */
.catalog {
  background: var(--card);
  background-image: radial-gradient(var(--line) 1px, transparent 1.2px);
  background-size: 20px 20px;
  border: 1.5px solid var(--line);
  border-radius: 26px;
  padding: 26px 28px 24px;
}
.cat-controls { display: flex; flex-wrap: wrap; gap: 12px 20px; }
.ctl { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-2); font-weight: 550; }
.custom-topic {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 6px;
  padding: 6px 6px 6px 14px;
  background: var(--paper);
  border: 1.5px dashed var(--line-2);
  border-radius: 16px;
}
.custom-topic:focus-within { border-style: solid; border-color: var(--blue); }
.custom-topic .input { border: 0; background: transparent; box-shadow: none; padding: 10px 4px; }
.custom-ico { color: var(--blue); display: flex; }
.cat-group { margin-top: 22px; }
.cat-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font: 700 12px/1 var(--font-ui);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.cat-label::before { content: ''; width: 12px; height: 12px; border-radius: 4px; background: var(--tab); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06); }
.topic {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px 6px 6px;
  border-radius: 14px;
  border: 1.5px solid var(--line-2);
  background: var(--card);
  color: var(--ink);
  font: 500 14.5px/1.25 var(--font-ui);
  cursor: pointer;
  box-shadow: 0 2px 0 var(--line-2);
  transition: transform 0.1s, border-color 0.15s, background 0.15s;
  text-align: start;
}
.topic:hover { border-color: var(--ink-3); transform: translateY(-1px); }
.topic:active { transform: translateY(1px); box-shadow: 0 1px 0 var(--line-2); }
.topic-emoji { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: var(--tab); font-size: 17px; }
.topic.have { color: var(--ink-2); }
.topic.have .ico { color: var(--green); }
.topic.on { border-color: var(--blue); background: var(--blue-soft); box-shadow: 0 2px 0 var(--blue); }
.manual { margin-top: 22px; padding-top: 14px; border-top: 1px dashed var(--line); }

/* ---------- deck ---------- */
.back { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 14px; color: var(--ink-2); text-decoration: none; font-weight: 550; font-size: 14.5px; }
.back:hover { color: var(--ink); }
[dir='rtl'] .ico-back, [dir='rtl'] .ico-arrow, [dir='rtl'] .ico-next { transform: scaleX(-1); }
.deck-hero { display: flex; align-items: center; gap: 18px; margin-bottom: 20px; }
.deck-hero-emoji { display: grid; place-items: center; width: 78px; height: 78px; flex-shrink: 0; border-radius: 22px; background: var(--tab); font-size: 40px; box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.07); transform: rotate(-3deg); }
.deck-hero-text p { margin: 6px 0 0; }
.gen-banner { display: flex; align-items: center; gap: 10px; margin-top: 20px; padding: 12px 16px; border-radius: 14px; background: var(--blue-soft); color: var(--blue-ink); font-weight: 550; font-size: 14.5px; }

.list-head { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 18px; margin: 32px 0 12px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; flex: 1; font-size: 12.5px; color: var(--ink-2); }
.lg { display: inline-flex; align-items: center; gap: 6px; }
.lg i { width: 9px; height: 14px; border-radius: 3px; background: var(--line-2); }
.lg.st-learning i { background: var(--yellow); }
.lg.st-known i { background: var(--green); }
.lg.st-mastered i { background: var(--blue); }
.search-sm { max-width: 240px; padding: 9px 12px; }

.word-list { background: var(--card); border: 1.5px solid var(--line); border-radius: 18px; overflow: hidden; }
.wrow + .wrow { border-top: 1px solid var(--line); }
.wrow summary {
  list-style: none;
  display: grid;
  grid-template-columns: 34px minmax(0, 1.2fr) minmax(0, 1fr) auto 20px;
  grid-template-areas: 'sp term tr pips caret';
  align-items: center;
  gap: 14px;
  padding: 11px 16px;
  cursor: pointer;
  transition: background 0.12s;
}
.wrow summary::-webkit-details-marker { display: none; }
.wrow summary:hover { background: color-mix(in srgb, var(--paper) 60%, transparent); }
.wrow summary .speak { grid-area: sp; }
.w-term { grid-area: term; min-width: 0; }
.w-term .serif { font-size: 18.5px; font-weight: 560; }
.w-term small { display: block; font-size: 12.5px; color: var(--ink-3); }
.w-tr { grid-area: tr; color: var(--ink-2); font-size: 15px; min-width: 0; }
.pips { grid-area: pips; display: inline-flex; gap: 3px; }
.pips i { width: 6px; height: 14px; border-radius: 3px; background: var(--line); }
.pips.st-learning i.on { background: var(--yellow); }
.pips.st-known i.on { background: var(--green); }
.pips.st-mastered i.on { background: var(--blue); }
.w-caret { grid-area: caret; color: var(--ink-3); display: flex; transition: transform 0.2s; }
.wrow[open] .w-caret { transform: rotate(180deg); }
.wrow[open] summary { background: color-mix(in srgb, var(--paper) 60%, transparent); }
.wdetail { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 6px 16px 16px 64px; font-size: 14.5px; }
.wdetail p { margin: 0; }
.wdetail .serif { font-size: 16px; }
.wrow.ghost { display: grid; grid-template-columns: 34px 1fr 1fr; gap: 14px; align-items: center; height: 58px; padding: 0 16px; }
.wrow.ghost i, .skeleton i {
  display: block;
  height: 13px;
  border-radius: 7px;
  background: linear-gradient(90deg, var(--paper-2) 25%, var(--line) 50%, var(--paper-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.3s infinite;
}
.wrow.ghost i:first-child { height: 30px; border-radius: 50%; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

.empty { text-align: center; padding: 48px 20px; }
.empty.big { padding: 64px 20px; }
.empty-emoji { font-size: 46px; line-height: 1; margin-bottom: 12px; }
.empty h3 { margin: 0 0 6px; font-size: 20px; }
.empty .row { margin-top: 20px; }

/* ---------- modal windows ---------- */
dialog.modal {
  border: 0;
  padding: 0;
  border-radius: 24px;
  background: var(--card);
  color: var(--ink);
  width: min(520px, calc(100vw - 28px));
  max-height: calc(100vh - 40px);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}
dialog.modal.wide { width: min(680px, calc(100vw - 28px)); }
dialog.modal[open] { animation: pop 0.22s cubic-bezier(0.2, 0.9, 0.3, 1.2); display: flex; flex-direction: column; }
dialog.modal::backdrop { background: rgba(20, 16, 10, 0.45); backdrop-filter: blur(3px); }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 16px 6px 24px; }
[dir='rtl'] .modal-head { padding: 18px 24px 6px 16px; }
.modal-head h3 { margin: 0; font: 650 19px/1.3 var(--font-ui); }
.modal-body { padding: 8px 24px 22px; overflow: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 24px 20px; border-top: 1px solid var(--line); }
@keyframes pop { from { transform: scale(0.94) translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 14px; }
.field { grid-column: span 2; display: grid; gap: 6px; }
.field.half { grid-column: span 1; }
.field > span { font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.fill-row { grid-column: span 2; display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; }

.pair-list { display: grid; gap: 8px; margin: 14px 0; }
.pair-row {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1.5px solid var(--line);
  background: var(--card);
  color: var(--ink);
  text-align: start;
  cursor: pointer;
}
.pair-row:hover { border-color: var(--ink-3); }
.pair-row.on { border-color: var(--blue); background: var(--blue-soft); }
.pair-row .ico-check { color: var(--blue); }
.pair-hello { font-size: 18px; font-style: italic; color: var(--red); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pair-name { font-weight: 600; }
.pair-name small { display: block; font-weight: 400; font-size: 12.5px; color: var(--ink-3); }
.pick-list { display: grid; gap: 6px; }
.pick-row {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: var(--card);
  color: var(--ink);
  font-weight: 550;
  text-align: start;
  cursor: pointer;
}
.pick-row:hover { border-color: var(--blue); background: var(--blue-soft); }
.pick-row .deck-emoji { font-size: 22px; }

/* ---------- study ---------- */
.view-study .foot { display: none; }
.study { max-width: 640px; margin: 0 auto; min-height: calc(100vh - 130px); display: flex; flex-direction: column; }
.study-top { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.progress { flex: 1; height: 13px; border-radius: 999px; background: var(--paper-2); overflow: hidden; box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.07); }
.progress i { position: relative; display: block; height: 100%; width: 0; border-radius: inherit; background: var(--green); transition: width 0.4s cubic-bezier(0.3, 1, 0.4, 1); }
.progress i::after { content: ''; position: absolute; top: 3px; inset-inline: 8px; height: 3px; border-radius: 999px; background: rgba(255, 255, 255, 0.35); }
.study-count { min-width: 56px; text-align: end; font-weight: 600; font-size: 14px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.cram-note { display: flex; align-items: center; justify-content: center; gap: 8px; margin: 0 0 10px; padding: 8px 12px; border-radius: 12px; background: var(--blue-soft); color: var(--blue-ink); font-size: 13.5px; }
.stage { flex: 1; display: flex; align-items: center; justify-content: center; padding: 10px 0 26px; }
.stack { position: relative; width: 100%; max-width: 540px; height: clamp(360px, 54vh, 470px); perspective: 1600px; }
.stack-bg { position: absolute; inset: 0; border-radius: 22px; background: var(--card); border: 1.5px solid var(--line); box-shadow: var(--shadow); }
.stack-bg.b1 { transform: rotate(2.4deg) translate(8px, 10px); opacity: 0.92; }
.stack-bg.b2 { transform: rotate(-2.8deg) translate(-8px, 14px); opacity: 0.7; }

.flash {
  --ok: 0;
  --no: 0;
  position: absolute;
  inset: 0;
  cursor: pointer;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
  outline: none;
  opacity: 0;
  transform: translateY(16px) scale(0.98);
  transition: transform 0.32s cubic-bezier(0.2, 0.9, 0.3, 1), opacity 0.3s;
}
.flash.in { opacity: 1; transform: none; }
.flash.dragging { transition: none; }
.flash.out-right { transform: translateX(115%) rotate(14deg) !important; opacity: 0; transition: transform 0.28s ease-in, opacity 0.28s ease-in; }
.flash:focus-visible .face { box-shadow: 0 0 0 3px var(--blue-soft), 0 0 0 5px var(--blue); }
.flash-inner { position: relative; width: 100%; height: 100%; transform-style: preserve-3d; transition: transform 0.6s cubic-bezier(0.3, 1.25, 0.4, 1); }
.flash.flipped .flash-inner { transform: rotateY(180deg); }
.face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 16px 22px 14px;
  border-radius: 22px;
  border: 1.5px solid var(--line-2);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  overflow: hidden;
  background-color: var(--card);
  background-image:
    linear-gradient(var(--red-line), var(--red-line)),
    repeating-linear-gradient(to bottom, transparent 0, transparent 33px, var(--rule) 33px, var(--rule) 34px);
  background-size: 100% 2px, 100% calc(100% - 62px);
  background-position: 0 56px, 0 60px;
  background-repeat: no-repeat;
  box-shadow: 0 1px 0 var(--line-2), 0 28px 50px -30px rgba(40, 30, 10, 0.55);
}
.face.back { transform: rotateY(180deg); }
.flash.failed .face.back { border-color: var(--red); }
.flash-tag { display: flex; align-items: center; justify-content: space-between; gap: 10px; height: 34px; font-size: 12.5px; color: var(--ink-2); }
.flash-deck { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge { flex-shrink: 0; padding: 4px 9px; border-radius: 7px; font: 700 11px/1.3 var(--font-ui); letter-spacing: 0.08em; text-transform: uppercase; }
.badge.new { background: var(--yellow-soft); color: var(--yellow-ink); }
.badge.rev { background: var(--blue-soft); color: var(--blue-ink); }
.face-body { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 18px 4px 8px; text-align: center; overflow: auto; }
.flash-word { font-size: clamp(34px, 7vw, 56px); font-weight: 620; line-height: 1.1; letter-spacing: -0.02em; overflow-wrap: anywhere; max-width: 100%; }
.flash-word.l { font-size: clamp(27px, 5vw, 40px); }
.flash-word.xl { font-size: clamp(21px, 3.8vw, 29px); line-height: 1.25; }
.flash-pron { font-size: 15px; color: var(--ink-3); font-family: var(--font-ui), 'Segoe UI', 'Noto Sans', sans-serif; }
.flash-small { font-size: 15px; color: var(--ink-3); }
.flash-gram { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 12px; font-size: 13.5px; color: var(--ink-2); max-width: 46ch; }
.flash-gram .serif { font-style: italic; }
.flash-ex { max-width: 46ch; margin-top: 6px; }
.flash-ex p { margin: 2px 0; display: flex; align-items: center; justify-content: center; gap: 4px; flex-wrap: wrap; }
.flash-ex .serif { font-style: italic; font-size: 17px; }
.flash-ex .muted { font-size: 14.5px; }
.face-hint { display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 12.5px; color: var(--ink-3); }
.stamp {
  position: absolute;
  top: 70px;
  z-index: 5;
  padding: 6px 14px;
  border: 3.5px solid currentColor;
  border-radius: 10px;
  background: color-mix(in srgb, var(--card) 75%, transparent);
  font: 800 21px/1.1 var(--font-ui);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  pointer-events: none;
}
.stamp.ok { inset-inline-start: 26px; color: var(--green); opacity: var(--ok); transform: rotate(-12deg); }
.stamp.no { inset-inline-end: 26px; color: var(--red); opacity: var(--no); transform: rotate(12deg); }

.answer-row { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; width: 100%; max-width: 540px; margin: 0 auto; }
.btn-yes, .btn-no { justify-content: center; padding: 16px 12px; font-size: 17px; border-radius: 18px; }
.btn-yes { --bg: var(--green); --fg: #fff; --edge: var(--green-edge); }
.btn-no { --bg: var(--red); --fg: #fff; --edge: var(--red-edge); }
.btn-flip { width: 58px; height: 58px; padding: 0; justify-content: center; border-radius: 50%; }
.again-note { grid-column: 1 / 3; display: flex; align-items: center; gap: 8px; margin: 0; color: var(--red); font-weight: 550; font-size: 14.5px; }
.btn-next { grid-column: 3; justify-content: center; padding: 16px 12px; border-radius: 18px; font-size: 17px; }
.keys-hint { margin: 16px 0 0; text-align: center; font-size: 12.5px; color: var(--ink-3); }
@media (hover: none) { .keys-hint, .kbd-hint { display: none; } }

.result { text-align: center; padding: 26px 0 10px; }
.result-emoji { font-size: 60px; line-height: 1; margin-bottom: 14px; animation: pop 0.5s cubic-bezier(0.2, 1.6, 0.4, 1); }
.result-stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 26px 0; }
.result-stats > div { min-width: 128px; padding: 16px 20px; border-radius: 18px; background: var(--card); border: 1.5px solid var(--line); box-shadow: var(--shadow); }
.result-stats b { display: block; font: 700 32px/1.1 var(--font-serif); }
.result-stats span { font-size: 13px; color: var(--ink-2); }
.missed { max-width: 470px; margin: 0 auto 26px; padding: 16px 20px; text-align: start; background: var(--card); border: 1.5px solid var(--line); border-radius: 18px; }
.missed h3 { margin: 0 0 6px; font: 700 12.5px/1.4 var(--font-ui); letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink-3); }
.missed ul { list-style: none; margin: 0; padding: 0; }
.missed li { display: flex; flex-wrap: wrap; gap: 8px; padding: 8px 0; border-top: 1px dashed var(--line); }
.missed li:first-child { border-top: 0; }
.missed .serif { font-weight: 600; }
.dash { color: var(--ink-3); }

/* ---------- page headings ---------- */
.page-head { margin-bottom: 24px; padding-top: 8px; }

/* ---------- dictionary ---------- */
.search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 780px;
  padding: 6px 6px 6px 16px;
  background: var(--card);
  border: 2px solid var(--ink);
  border-radius: 18px;
  box-shadow: 0 4px 0 var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}
[dir='rtl'] .search { padding: 6px 16px 6px 6px; }
.search:focus-within { border-color: var(--blue); box-shadow: 0 4px 0 var(--blue); }
.search-ico { display: flex; color: var(--ink-3); }
.search-input { flex: 1; min-width: 0; padding: 10px 4px; border: 0; outline: none; background: transparent; font: 500 21px/1.3 var(--font-serif); color: var(--ink); }
.search-input::placeholder { color: var(--ink-3); font: 400 16px var(--font-ui); }
.search-input::-webkit-search-cancel-button { cursor: pointer; }
.suggest {
  position: absolute;
  top: calc(100% + 10px);
  inset-inline: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  padding: 6px;
  border-radius: 14px;
  border: 1.5px solid var(--line-2);
  background: var(--card);
  box-shadow: var(--shadow-lg);
}
.suggest button { padding: 9px 12px; border: 0; border-radius: 9px; background: none; color: var(--ink); font: 500 17px var(--font-serif); text-align: start; cursor: pointer; }
.suggest button:hover { background: var(--paper-2); }
.recent { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 18px; }
.dict-out { margin-top: 30px; }
.dict-grid.two { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 22px; align-items: start; }

.entry { background: var(--card); border: 1.5px solid var(--line); border-radius: 24px; padding: 26px 28px; box-shadow: var(--shadow); }
.entry-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding-bottom: 16px; border-bottom: 2px solid var(--red-line); }
.headword { margin: 0; font-size: clamp(36px, 5vw, 54px); font-weight: 640; line-height: 1.05; letter-spacing: -0.022em; overflow-wrap: anywhere; }
.headword .art { font-weight: 400; font-style: italic; color: var(--ink-3); }
.entry-sub { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-top: 10px; }
.pron { font-size: 16px; color: var(--ink-2); }
.entry-tools { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.entry-tr { margin: 18px 0 2px; font-size: 20px; font-weight: 600; }
.alts { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; }
.esec { margin-top: 28px; }
.esec-title { display: flex; align-items: center; gap: 12px; margin: 0 0 14px; font: 700 12px/1 var(--font-ui); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.esec-title::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.ptables { display: flex; flex-wrap: wrap; gap: 16px; }
.ptable-wrap { max-width: 100%; overflow-x: auto; }
.ptable-title { margin-bottom: 6px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.ptable { border-collapse: separate; border-spacing: 0; min-width: 260px; border: 1.5px solid var(--line-2); border-radius: 14px; overflow: hidden; font-size: 15px; }
.ptable th, .ptable td { padding: 9px 14px; text-align: start; border-bottom: 1px solid var(--line); vertical-align: top; }
.ptable tr:last-child > * { border-bottom: 0; }
.ptable thead th { background: var(--paper-2); font-size: 12.5px; font-weight: 650; color: var(--ink-2); }
.ptable tbody th { font-size: 13px; font-weight: 600; color: var(--ink-2); background: color-mix(in srgb, var(--paper) 55%, var(--card)); }
.ptable td { font-family: var(--font-serif); font-size: 17px; }
.ptable td + td, .ptable th + td, .ptable th + th { border-inline-start: 1px solid var(--line); }

.senses { list-style: none; margin: 0; padding: 0; counter-reset: sense; }
.senses > li { position: relative; margin-bottom: 20px; padding-inline-start: 42px; counter-increment: sense; }
.senses > li::before {
  content: counter(sense);
  position: absolute;
  inset-inline-start: 0;
  top: 1px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  font: 700 14px/28px var(--font-ui);
  text-align: center;
}
.sense-def { margin: 0; font-size: 18px; line-height: 1.45; }
.sense-tr { margin: 4px 0 0; color: var(--blue-ink); font-weight: 550; font-size: 15.5px; }
.ex-list { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 9px; }
.ex-list > li { padding-inline-start: 14px; border-inline-start: 3px solid var(--yellow); }
.ex-line { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.ex-t { font-style: italic; font-size: 16.5px; }
.ex-tr { display: block; color: var(--ink-2); font-size: 14.5px; }
.ex-note { display: block; color: var(--ink-3); font-size: 13px; margin-top: 2px; }
.expr { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.expr li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; padding: 10px 14px; border-radius: 12px; background: color-mix(in srgb, var(--paper) 70%, var(--card)); }
.expr-t { font-weight: 600; font-size: 16.5px; }
.expr-m { color: var(--ink-2); font-size: 14.5px; }
.rel { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.rel .k { min-width: 96px; }
.callout { display: flex; align-items: flex-start; gap: 12px; margin-top: 22px; padding: 14px 16px; border-radius: 14px; background: var(--yellow-soft); font-size: 15px; line-height: 1.6; }
.callout > .ico { color: var(--yellow-ink); margin-top: 1px; }
.callout.plain { background: var(--blue-soft); margin-top: 0; }
.callout.plain > .ico { color: var(--blue-ink); }
.etym { margin: 18px 0 0; font-size: 14px; color: var(--ink-2); }
.entry-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 28px; padding-top: 14px; border-top: 1px dashed var(--line); }
.entry-foot > .muted { display: inline-flex; align-items: center; gap: 6px; margin-inline-end: auto; }

.official { padding: 20px; border-radius: 22px; border: 1.5px solid var(--line-2); background: var(--paper-2); }
.official-head { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; margin-bottom: 14px; }
.official-badge { padding: 5px 11px; border-radius: 8px; background: var(--ob); color: #fff; font: 700 13px/1.3 var(--font-ui); letter-spacing: 0.02em; }
.official-head small { font-size: 12.5px; color: var(--ink-3); }
.oa + .oa { margin-top: 20px; padding-top: 18px; border-top: 1px dashed var(--line-2); }
.oa-head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 10px; }
.oa-head h3 { margin: 0; font-size: 25px; font-weight: 650; }
.oa-head sup { font-size: 12px; color: var(--ink-3); }
.oa-class { font-style: italic; font-size: 14px; color: var(--ink-2); }
.official .ptable-wrap { margin: 12px 0; }
.official .ptable { min-width: 0; width: 100%; background: var(--card); font-size: 14px; }
.official .ptable td { font-size: 15.5px; }
.ob-senses { margin: 12px 0 0; padding-inline-start: 22px; font-size: 14.5px; }
.ob-senses > li { margin-bottom: 10px; }
.ob-senses > li::marker { color: var(--ob); font-weight: 700; }
.ob-senses.sub { list-style: lower-alpha; margin-top: 6px; }
.ob-expl { margin: 0; }
.ob-ex { margin: 4px 0 0; font-style: italic; font-size: 15px; color: var(--ink-2); }
.ob-block h4 { margin: 16px 0 8px; font: 700 12px/1 var(--font-ui); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.ob-expr { margin: 0; padding-inline-start: 18px; font-size: 14px; }
.ob-expr li { margin-bottom: 6px; }
.ob-etym { margin: 14px 0 0; font-size: 13.5px; color: var(--ink-2); }
.official > .link-btn { margin-top: 12px; }
.empty-ob p { margin: 0; }

.dict-intro .intro-card { max-width: 780px; padding: 22px 24px; border-radius: 20px; border: 1.5px dashed var(--line-2); background: var(--card); }
.intro-card h3 { margin: 0 0 12px; font-size: 18px; }
.ticks { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 9px; }
.ticks li { position: relative; padding-inline-start: 30px; }
.ticks li::before {
  content: '✓';
  position: absolute;
  inset-inline-start: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--green-soft);
  color: var(--green);
  font: 700 12px/20px var(--font-ui);
  text-align: center;
}
.error-box { padding: 18px 20px; border-radius: 16px; background: var(--red-soft); border: 1.5px solid color-mix(in srgb, var(--red) 30%, transparent); }
.error-box p { margin: 0 0 12px; }
.error-text { color: var(--red); font: 500 15px var(--font-ui); }

.loading { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; color: var(--ink-2); font-weight: 550; font-size: 15px; }
.dots { display: inline-flex; gap: 4px; }
.dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); animation: bounce 1s infinite ease-in-out; }
.dots i:nth-child(2) { animation-delay: 0.15s; background: var(--red); }
.dots i:nth-child(3) { animation-delay: 0.3s; background: var(--yellow); }
@keyframes bounce { 0%, 80%, 100% { transform: translateY(0); } 40% { transform: translateY(-7px); } }
.skeleton { display: grid; gap: 13px; }
.slot-ai > .skeleton, .slot-ob > .skeleton { padding: 24px; border-radius: 22px; background: var(--card); border: 1.5px solid var(--line); }

/* ---------- grammar ---------- */
.ask {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 780px;
  padding: 6px 6px 6px 14px;
  border-radius: 16px;
  border: 1.5px solid var(--line-2);
  background: var(--card);
  box-shadow: 0 3px 0 var(--line-2);
}
[dir='rtl'] .ask { padding: 6px 14px 6px 6px; }
.ask:focus-within { border-color: var(--blue); box-shadow: 0 3px 0 var(--blue); }
.ask-ico { display: flex; color: var(--blue); }
.ask .input { border: 0; background: transparent; box-shadow: none; padding: 10px 4px; }
.gram-layout { display: grid; grid-template-columns: 292px minmax(0, 1fr); gap: 30px; align-items: start; margin-top: 30px; }
.toc {
  position: sticky;
  top: 88px;
  max-height: calc(100vh - 110px);
  overflow: auto;
  padding: 10px;
  border-radius: 20px;
  border: 1.5px solid var(--line);
  background: var(--card);
}
.toc-title { padding: 8px 10px 10px; font: 700 12px/1 var(--font-ui); letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink-3); }
.toc-item { display: grid; grid-template-columns: 30px 1fr auto; align-items: center; gap: 8px; padding: 9px 10px; border-radius: 11px; color: var(--ink); text-decoration: none; font-size: 14.5px; font-weight: 500; line-height: 1.3; }
.toc-item:hover { background: var(--paper-2); }
.toc-item.active { background: var(--ink); color: var(--paper); }
.toc-n { font-style: italic; font-size: 15px; color: var(--ink-3); }
.toc-item.active .toc-n { color: inherit; opacity: 0.7; }
.toc-done { display: flex; color: var(--green); }
.gram-welcome { padding: 48px 24px; text-align: center; border-radius: 24px; border: 1.5px dashed var(--line-2); background: var(--card); }
.gram-welcome .chips { justify-content: center; margin-top: 18px; }
.gram-welcome p { margin: 8px 0 0; }
.big-num { font-size: 92px; line-height: 1; color: var(--red); margin-bottom: 6px; }

.chapter { max-width: 840px; padding: 32px 36px; border-radius: 24px; border: 1.5px solid var(--line); background: var(--card); box-shadow: var(--shadow); }
.chapter-kicker { font: 700 12.5px/1 var(--font-ui); letter-spacing: 0.1em; text-transform: uppercase; color: var(--red); }
.chapter-title { margin: 10px 0 12px; font-size: clamp(30px, 4vw, 42px); font-weight: 640; line-height: 1.1; letter-spacing: -0.02em; text-wrap: balance; }
.asked { margin: 0 0 12px; font: italic 18px var(--font-serif); color: var(--ink-2); }
.chapter > .lede { margin: 0; padding-bottom: 22px; border-bottom: 2px solid var(--red-line); max-width: none; }
.gsec { margin-top: 32px; }
.gsec h3 { margin: 0 0 10px; font: 650 21px/1.3 var(--font-ui); letter-spacing: -0.01em; }
.gsec > div:not([class]), .gsec > span:not([class]) { display: block; font-size: 16px; line-height: 1.72; }
.gsec strong, .tok-why strong, .rule strong, .callout strong { font-weight: 650; background: linear-gradient(transparent 62%, var(--marker) 62%); }
.gsec .ptable-wrap { margin: 16px 0; }
.gsec .ex-list { margin-top: 14px; }
.mistakes { display: grid; gap: 12px; }
.mistake { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; padding: 14px 16px; border-radius: 14px; border: 1.5px solid var(--line); }
.mk-wrong, .mk-right { display: flex; align-items: center; gap: 8px; font-family: var(--font-serif); font-size: 16.5px; }
.mk-wrong { color: var(--red); }
.mk-wrong s { text-decoration-thickness: 1.5px; }
.mk-right { color: var(--green); }
.mk-why { grid-column: 1 / -1; margin: 4px 0 0; font-size: 14.5px; color: var(--ink-2); }
.practice { margin: 0; padding-inline-start: 24px; }
.practice > li { margin-bottom: 14px; }
.practice > li::marker { color: var(--blue); font-weight: 700; }
.practice p { margin: 0 0 6px; }
.practice summary { display: inline-flex; color: var(--blue-ink); font-weight: 600; font-size: 14px; cursor: pointer; }
.practice details p { margin: 8px 0 0; padding: 8px 12px; border-radius: 10px; background: var(--green-soft); font-size: 16px; }
.chapter-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-top: 34px; padding-top: 14px; border-top: 1px dashed var(--line); }
.chapter-foot .muted { display: inline-flex; align-items: center; gap: 6px; }
.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 18px; }
.pager-link { display: inline-flex; align-items: center; gap: 10px; max-width: 48%; padding: 12px 16px; border-radius: 14px; border: 1.5px solid var(--line); background: var(--card); color: var(--ink); text-decoration: none; font-weight: 550; font-size: 14.5px; }
.pager-link:hover { border-color: var(--ink-3); }
.pager-link small { color: var(--ink-3); }
.only-mobile { display: none !important; }

/* ---------- translator ---------- */
.tr-panel { position: relative; display: grid; grid-template-columns: 1fr 1fr; border-radius: 24px; border: 1.5px solid var(--line-2); background: var(--card); box-shadow: var(--shadow); }
.tr-box { display: flex; flex-direction: column; min-width: 0; min-height: 270px; padding: 12px 20px 10px; }
.tr-box.out { border-inline-start: 1.5px solid var(--line); background: color-mix(in srgb, var(--paper) 45%, var(--card)); border-start-end-radius: 22px; border-end-end-radius: 22px; }
.tr-bar { display: flex; align-items: center; gap: 8px; padding-bottom: 8px; margin-bottom: 10px; border-bottom: 1px solid var(--line); }
.tr-bar .select { border: 0; background-color: transparent; box-shadow: none; padding: 7px 34px 7px 4px; font-weight: 600; font-size: 14.5px; }
[dir='rtl'] .tr-bar .select { padding: 7px 4px 7px 34px; }
.tr-input, .tr-src-view, .tr-output { flex: 1; font-size: 22px; line-height: 1.55; color: var(--ink); overflow-wrap: anywhere; }
.tr-input { width: 100%; min-height: 160px; padding: 2px 0; border: 0; outline: none; resize: none; background: transparent; }
.tr-src-view { position: relative; padding: 2px 0; white-space: pre-wrap; cursor: text; }
.src-edit { position: absolute; top: 2px; inset-inline-end: 0; color: var(--ink-3); opacity: 0; transition: opacity 0.15s; }
.tr-src-view:hover .src-edit { opacity: 1; }
.tr-output { padding: 2px 0; white-space: pre-wrap; }
.tr-output .loading { font-size: 15px; }
.placeholder { margin: 0; color: var(--ink-3); font-style: italic; font-size: 19px; }
.tr-tools { display: flex; align-items: center; gap: 6px; min-height: 40px; padding-top: 6px; }
.swap {
  position: absolute;
  top: 9px;
  left: 50%;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-left: -21px;
  border-radius: 50%;
  border: 1.5px solid var(--line-2);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 2px 0 var(--line-2);
  transition: transform 0.3s;
}
.swap:hover { transform: rotate(180deg); }
.tr-go { margin: 22px 0 6px; }
.kbd-hint { font-family: ui-monospace, Consolas, monospace; font-size: 12px; }
.tr-examples { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; margin-top: 10px; }

.pos-noun { --pc: var(--p-noun); }
.pos-verb { --pc: var(--p-verb); }
.pos-adjective { --pc: var(--p-adjective); }
.pos-adverb { --pc: var(--p-adverb); }
.pos-pronoun { --pc: var(--p-pronoun); }
.pos-preposition { --pc: var(--p-preposition); }
.pos-article { --pc: var(--p-article); }
.pos-determiner { --pc: var(--p-determiner); }
.pos-conjunction { --pc: var(--p-conjunction); }
.pos-numeral { --pc: var(--p-numeral); }
.pos-particle { --pc: var(--p-particle); }
.pos-interjection { --pc: var(--p-interjection); }
.pos-other { --pc: var(--p-other); }
.tk { border-radius: 4px; cursor: pointer; box-shadow: inset 0 -2.5px 0 color-mix(in srgb, var(--pc) 75%, transparent); transition: background 0.15s; }
.tk:hover, .tk.active { background: color-mix(in srgb, var(--pc) 20%, transparent); box-shadow: inset 0 -2.5px 0 var(--pc); }

.tr-analysis { margin-top: 12px; }
.tr-sec { margin-top: 32px; }
.tr-sec h3 { margin: 0 0 12px; font: 650 21px/1.3 var(--font-ui); letter-spacing: -0.01em; }
.tr-sec .block-head { margin-bottom: 4px; }
.alts-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.alts-list li { display: flex; flex-direction: column; gap: 2px; padding: 12px 16px; border-radius: 14px; border: 1.5px solid var(--line); background: var(--card); }
.alts-list .serif { font-size: 18.5px; }
.pos-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12.5px; color: var(--ink-2); }
.pos-legend span { display: inline-flex; align-items: center; gap: 6px; }
.pos-legend i { width: 14px; height: 4px; border-radius: 2px; background: var(--pc); }
.tokens { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 12px; margin-top: 14px; }
.tok {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 13px 16px 12px;
  border-radius: 16px;
  border: 1.5px solid var(--line);
  border-top: 4px solid var(--pc);
  background: var(--card);
  cursor: pointer;
  outline: none;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.tok:hover { transform: translateY(-2px); }
.tok.active, .tok:focus-visible { border-color: var(--pc); box-shadow: 0 0 0 3px color-mix(in srgb, var(--pc) 22%, transparent); transform: translateY(-2px); }
.tok-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; }
.tok-word { font-size: 21px; font-weight: 650; }
.tok-other { font-size: 14px; color: var(--ink-3); }
.tok-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.pos-pill { padding: 3px 8px; border-radius: 6px; background: color-mix(in srgb, var(--pc) 13%, transparent); color: var(--pc); font: 700 11px/1.3 var(--font-ui); letter-spacing: 0.06em; text-transform: uppercase; }
.tok-lemma { font-family: var(--font-serif); font-style: italic; font-size: 14.5px; color: var(--ink-2); }
.tok-form { margin: 0; font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.tok-why { margin: 0; font-size: 14.5px; line-height: 1.55; }
.tok-links { display: flex; flex-wrap: wrap; gap: 2px 14px; margin-top: auto; }
.rules { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 12px; }
.rule { padding: 16px 18px; border-radius: 16px; border: 1.5px solid var(--line); border-inline-start: 4px solid var(--blue); background: var(--card); }
.rule h4 { margin: 0 0 6px; font-size: 16px; font-weight: 650; }
.rule p { margin: 0 0 8px; font-size: 14.5px; line-height: 1.55; color: var(--ink-2); }

/* ---------- settings ---------- */
.set-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 450px), 1fr)); gap: 20px; align-items: start; }
.set-card { padding: 22px 24px; border-radius: 22px; border: 1.5px solid var(--line); background: var(--card); }
.set-card h2 { margin: 0 0 8px; font: 650 19px/1.3 var(--font-ui); }
.set-card > p { margin: 0 0 8px; }
.set-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 13px 0; border-top: 1px dashed var(--line); }
.set-card h2 + .set-row { border-top: 0; }
.set-label b { display: block; font-weight: 600; font-size: 15px; }
.set-label small { display: block; margin-top: 2px; font-size: 13px; color: var(--ink-3); }
.set-ctl { flex-shrink: 0; max-width: 62%; display: flex; justify-content: flex-end; }
.set-ctl .select { min-width: 190px; }
.set-ctl .input { min-width: 220px; }
.set-card > .row { margin-top: 10px; }
.about-links { margin: 8px 0 0; padding-inline-start: 18px; font-size: 14px; color: var(--ink-2); }
.about-links li { margin-bottom: 6px; }

/* ---------- first run ---------- */
.onboarding-mode { background: var(--paper); }
.onb { max-width: 1000px; margin: 0 auto; padding: 22px 20px 60px; }
.onb-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 44px; }
.dots-steps { display: flex; gap: 6px; }
.dots-steps i { width: 30px; height: 6px; border-radius: 999px; background: var(--line-2); transition: background 0.3s; }
.dots-steps i.on { background: var(--blue); }
.onb-hero { position: relative; padding-top: 16px; min-height: 480px; }
.onb-hero h1 { max-width: 620px; }
.onb-hero .lede { max-width: 520px; font-size: 19px; }
.onb-cards { position: absolute; top: 0; inset-inline-end: 0; width: 380px; height: 340px; pointer-events: none; }
.mini-card {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: 230px;
  padding: 14px 20px 22px;
  border-radius: 18px;
  border: 1.5px solid var(--line-2);
  background: var(--card) linear-gradient(var(--red-line), var(--red-line)) 0 58px / 100% 2px no-repeat;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}
.mini-card .serif { font-size: 30px; font-weight: 620; line-height: 1.3; }
.mini-card small { color: var(--ink-3); font-size: 13.5px; }
.mini-card.c1 { top: 10px; inset-inline-end: 120px; --r: -8deg; transform: rotate(var(--r)); }
.mini-card.c2 { top: 96px; inset-inline-end: 0; --r: 6deg; transform: rotate(var(--r)); animation-delay: -2s; }
.mini-card.c3 { top: 200px; inset-inline-end: 90px; --r: -2deg; transform: rotate(var(--r)); animation-delay: -4s; }
@keyframes float { 0%, 100% { transform: rotate(var(--r)) translateY(0); } 50% { transform: rotate(var(--r)) translateY(-8px); } }
.onb-feats { list-style: none; display: grid; gap: 12px; max-width: 560px; margin: 28px 0 32px; padding: 0; }
.onb-feats li { display: flex; align-items: center; gap: 12px; font-size: 16px; }
.onb-feats .ico { width: 38px; height: 38px; padding: 9px; border-radius: 12px; background: var(--blue-soft); color: var(--blue-ink); }
.onb-step h2 { margin: 0 0 6px; }
.onb-step > .muted { margin: 0; }
.onb-step > .input { max-width: 420px; margin: 20px 0 16px; }
.lang-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(172px, 1fr)); gap: 10px; margin-bottom: 26px; }
.lang-grid.compact { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); max-height: 320px; overflow: auto; margin: 12px 0 0; padding: 2px 2px 6px; }
.lang-tile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 13px 16px;
  border-radius: 16px;
  border: 1.5px solid var(--line-2);
  background: var(--card);
  color: var(--ink);
  text-align: start;
  cursor: pointer;
  box-shadow: 0 3px 0 var(--line-2);
  transition: transform 0.1s, border-color 0.15s;
}
.lang-tile:hover { transform: translateY(-2px); border-color: var(--ink-3); }
.lang-tile:active { transform: translateY(1px); box-shadow: 0 1px 0 var(--line-2); }
.lang-tile.on { border-color: var(--blue); background: var(--blue-soft); box-shadow: 0 3px 0 var(--blue); }
.lang-hello { font-size: 14px; font-style: italic; color: var(--red); }
.lang-tile b { font-size: 16.5px; font-weight: 650; }
.lang-tile small { font-size: 12.5px; color: var(--ink-3); }
.level-list { display: grid; gap: 10px; max-width: 580px; margin: 22px 0 26px; }
.level {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 13px 18px;
  border-radius: 16px;
  border: 1.5px solid var(--line-2);
  background: var(--card);
  color: var(--ink);
  text-align: start;
  cursor: pointer;
  box-shadow: 0 3px 0 var(--line-2);
  transition: transform 0.1s, border-color 0.15s;
}
.level:hover { border-color: var(--blue); transform: translateY(-1px); }
.level b { display: block; font-size: 16px; font-weight: 600; }
.level small { font-size: 13.5px; color: var(--ink-3); }
.level-code { display: grid; place-items: center; width: 50px; height: 50px; flex-shrink: 0; border-radius: 14px; background: var(--paper-2); font: 800 16px var(--font-ui); }
.level.on { border-color: var(--blue); box-shadow: 0 3px 0 var(--blue); }
.level.on .level-code { background: var(--blue); color: #fff; }
.onb-step .chips { margin: 22px 0 28px; }
.onb-actions { flex-wrap: wrap; }

/* ---------- toasts ---------- */
.toasts { position: fixed; bottom: 24px; left: 50%; z-index: 1000; display: flex; flex-direction: column; align-items: center; gap: 8px; width: max-content; max-width: calc(100vw - 32px); transform: translateX(-50%); pointer-events: none; }
.toast { padding: 11px 18px; border-radius: 14px; background: var(--ink); color: var(--paper); font-weight: 550; font-size: 14.5px; box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.45); animation: toast-in 0.25s cubic-bezier(0.2, 0.9, 0.3, 1.2); transition: opacity 0.3s, transform 0.3s; }
.toast.ok { background: var(--green); color: #fff; }
.toast.error { background: var(--red); color: #fff; }
.toast.out { opacity: 0; transform: translateY(8px); }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px) scale(0.96); } to { opacity: 1; transform: none; } }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .dict-grid.two { grid-template-columns: 1fr; }
  .gram-layout { grid-template-columns: 1fr; gap: 18px; }
  .toc { position: static; max-height: none; }
  .gram-layout.reading .toc { display: none; }
  .gram-layout:not(.reading) .gram-article { display: none; }
  .only-mobile { display: inline-flex !important; }
  .chapter .back { margin-bottom: 18px; }
  .gram-article > .back { margin-bottom: 16px; }
  .hero { grid-template-columns: 1fr; align-items: stretch; }
  .onb-cards { position: relative; width: 100%; max-width: 380px; height: 290px; margin: -10px 0 10px; inset-inline-end: auto; }
  .onb-hero { min-height: 0; display: flex; flex-direction: column; }
  .onb-hero .onb-cards { order: -1; }
}

@media (max-width: 760px) {
  body:not(.onboarding-mode) { padding-bottom: 84px; }
  /* backdrop-filter makes the header a containing block for position:fixed — the bottom bar would stick to it */
  .top { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--paper); }
  .top-in { height: 60px; gap: 10px; }
  .tabs {
    position: fixed;
    bottom: 0;
    inset-inline: 0;
    z-index: 60;
    margin: 0;
    justify-content: space-around;
    padding: 6px 6px calc(6px + env(safe-area-inset-bottom));
    border-radius: 0;
    border: 0;
    border-top: 1px solid var(--line);
    background: color-mix(in srgb, var(--paper) 94%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
  }
  .tab { flex: 1; flex-direction: column; gap: 3px; padding: 4px 2px; font-size: 11.5px; border-radius: 12px; }
  .tab .ico { box-sizing: content-box; padding: 4px 16px; border-radius: 999px; transition: background 0.2s; }
  .tab.active { background: transparent; box-shadow: none; color: var(--ink); }
  .tab.active .ico { background: var(--blue-soft); color: var(--blue-ink); }
  .view-study .tabs { display: none; }
  body.view-study { padding-bottom: 20px; }
  .top-actions { margin-inline-start: auto; }
  .pair-from, .pair .ico-arrow { display: none; }
  .pair-to { max-width: 110px; }
  .main { padding-top: 18px; }
  .toasts { bottom: 96px; }
  .display, .onb-hero h1 { font-size: clamp(31px, 8.6vw, 42px); }
  .catalog { padding: 20px 16px; border-radius: 22px; }
  .custom-topic { flex-wrap: wrap; padding: 10px; }
  .custom-topic .input { flex: 1 1 200px; }
  .custom-topic .btn { width: 100%; justify-content: center; }
  .deck-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 26px 12px; }
  .deck { min-height: 160px; padding: 14px 13px 12px; }
  .deck-title { font-size: 15.5px; }
  .deck-foot .pill { display: none; }
  .wrow summary { grid-template-columns: 32px minmax(0, 1fr) auto 18px; grid-template-areas: 'sp term pips caret' 'sp tr pips caret'; gap: 2px 12px; }
  .w-tr { font-size: 14px; }
  .pips i { width: 4px; height: 12px; }
  .wdetail { padding: 6px 16px 16px; }
  .list-head .legend { order: 3; flex-basis: 100%; }
  .search-sm { max-width: none; flex: 1; }
  .entry, .chapter { padding: 20px 18px; border-radius: 20px; }
  .entry-head { flex-direction: column; }
  .expr li { grid-template-columns: 1fr; gap: 2px; }
  .mistake { grid-template-columns: 1fr; }
  .search { padding-inline-start: 12px; box-shadow: 0 3px 0 var(--ink); }
  .search .btn { padding: 11px 14px; }
  .search-input { font-size: 18px; }
  .tr-panel { grid-template-columns: 1fr; }
  .tr-box { min-height: 180px; }
  .tr-box.out { border-inline-start: 0; border-top: 1.5px solid var(--line); border-radius: 0 0 22px 22px; }
  .swap { top: auto; left: 50%; bottom: auto; transform: none; }
  .swap:hover { transform: rotate(180deg); }
  .tr-input, .tr-src-view, .tr-output { font-size: 19px; }
  .tr-input { min-height: 110px; }
  .set-row { flex-direction: column; align-items: stretch; gap: 10px; }
  .set-ctl { max-width: none; justify-content: flex-start; }
  .set-ctl .select, .set-ctl .input { width: 100%; min-width: 0; }
  .form-grid { grid-template-columns: 1fr; }
  .field, .field.half, .fill-row { grid-column: span 1; }
  .answer-row { gap: 8px; }
  .btn-yes, .btn-no, .btn-next { padding: 15px 8px; font-size: 15.5px; }
  .btn-flip { width: 52px; height: 52px; }
  .stack { height: clamp(330px, 56vh, 440px); }
  .study { min-height: calc(100vh - 100px); }
  .result-stats > div { min-width: 100px; padding: 14px; }
  .deck-hero-emoji { width: 64px; height: 64px; font-size: 32px; border-radius: 18px; }
  .foot { margin-top: 40px; }
}
@media (max-width: 760px) {
  /* the swap-languages button in the translator sits between the two boxes */
  .tr-panel .swap { position: relative; top: 0; left: 0; margin: -21px auto; justify-self: center; }
}
@media (max-width: 420px) {
  .brand-name { display: none; }
  .shell { padding: 0 14px; }
  .onb-cards { transform: scale(0.85); transform-origin: top left; }
  [dir='rtl'] .onb-cards { transform-origin: top right; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

@media print {
  .top, .tabs, .foot, .toasts { display: none !important; }
  body::before { display: none; }
}

/* ---------- devices and sync ---------- */
.devices .row { margin-top: 12px; }
.sync-line { display: flex; align-items: center; gap: 10px; margin: 2px 0 0; font-weight: 550; color: var(--ink-2); }
.sync-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); flex-shrink: 0; }
.sync-line.on .sync-dot { background: var(--green); box-shadow: 0 0 0 4px var(--green-soft); }
.sync-line.bad .sync-dot { background: var(--red); box-shadow: 0 0 0 4px var(--red-soft); }
.sync-danger { gap: 6px 18px; }
.devices > .link-btn { margin-top: 10px; }
.quota-n { font: 650 20px var(--font-serif); font-variant-numeric: tabular-nums; }

.offer-main { display: flex; align-items: center; gap: 22px; margin: 14px 0 6px; }
.qr-box {
  display: grid;
  place-items: center;
  width: 236px;
  height: 236px;
  flex-shrink: 0;
  padding: 10px;
  border-radius: 20px;
  background: #fff;
  border: 1.5px solid var(--line-2);
  box-shadow: var(--shadow);
  transition: opacity 0.3s, filter 0.3s;
}
.qr-box.dim { opacity: 0.25; filter: blur(2px); }
.qr-box svg { display: block; max-width: 100%; height: auto; }
.offer-side { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.code-show { font: 700 22px/1.2 ui-monospace, 'Cascadia Code', Consolas, monospace; letter-spacing: 0.06em; color: var(--ink); word-break: break-all; }
.link-card .code-show { margin: 14px 0 22px; text-align: center; }
.qr-timer { display: grid; gap: 6px; font-size: 13px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.qr-bar { height: 6px; border-radius: 999px; background: var(--paper-2); overflow: hidden; }
.qr-bar i { display: block; height: 100%; width: 100%; background: var(--blue); border-radius: inherit; transition: width 1s linear; }
.qr-status { display: flex; align-items: center; gap: 8px; margin: 0; font-weight: 550; font-size: 14.5px; color: var(--ink-2); }
.qr-status .ico { animation: spin 2.4s linear infinite; }
.qr-status.ok { color: var(--green); }
.qr-status.ok .ico { animation: none; }
.safe-note { display: flex; align-items: flex-start; gap: 8px; margin: 12px 0 0; }
.safe-note .ico { margin-top: 2px; flex-shrink: 0; }
.code-input { font: 600 20px ui-monospace, 'Cascadia Code', Consolas, monospace; letter-spacing: 0.08em; text-align: center; text-transform: uppercase; margin: 14px 0 8px; }
.enter-code p { margin: 0; }

.link-page { display: grid; place-items: center; min-height: 60vh; }
.link-card { max-width: 520px; width: 100%; padding: 34px 30px; text-align: center; border-radius: 26px; border: 1.5px solid var(--line); background: var(--card); box-shadow: var(--shadow); }
.link-card .display { margin: 12px 0 10px; }
.link-card .row { margin-top: 20px; }
.link-card .loading { justify-content: center; margin: 20px 0; }
.link-ico { display: inline-grid; place-items: center; width: 64px; height: 64px; border-radius: 20px; background: var(--blue-soft); color: var(--blue-ink); }
.link-ico.ok { background: var(--green-soft); color: var(--green); }
.link-ico.bad { background: var(--red-soft); color: var(--red); }

/* ---------- "How it works" ---------- */
.about { display: grid; gap: 14px; max-width: 820px; }
.about-item { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 20px 22px; border-radius: 20px; border: 1.5px solid var(--line); background: var(--card); }
.about-ico { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: var(--paper-2); color: var(--blue-ink); }
.about-item h2 { margin: 2px 0 6px; font: 650 18px/1.3 var(--font-ui); }
.about-item p { margin: 0; color: var(--ink-2); line-height: 1.65; }
.about-item .link-btn { margin-top: 10px; }
.about-foot { margin-top: 26px; }
.onb-note { margin: 16px 0 0; }
.onb-note a { color: var(--blue-ink); }
.view-about.onboarding-mode .main, .view-link.onboarding-mode .main { padding-top: 0; }

@media (max-width: 560px) {
  .offer-main { flex-direction: column; align-items: stretch; }
  .qr-box { width: 100%; max-width: 280px; height: auto; aspect-ratio: 1; margin: 0 auto; }
  .code-show { text-align: center; font-size: 20px; }
  .about-item { grid-template-columns: 1fr; gap: 10px; padding: 18px; }
  .link-card { padding: 26px 18px; }
}

/* ---------- recovery key and data protection ---------- */
.key-show { margin: 14px 0; padding: 14px 16px; border-radius: 14px; background: var(--paper-2); font-size: 17px; line-height: 1.6; text-align: center; user-select: all; word-break: normal; overflow-wrap: anywhere; }
.enter-code .row { margin-top: 4px; }
.protect { margin: 6px 0 12px; }
.protect .set-row { border-top: 1px dashed var(--line); }
.protect .btn { margin-top: 4px; }
.ok-text { color: var(--green); }
.ios-hint { margin-top: 8px; font-size: 14px; }
.ios-hint > .ico { color: var(--blue-ink); }

/* ---------- phone layout: everything fits the screen's width and height ---------- */
.hero > *, .dict-grid > *, .gram-layout > *, .tr-panel > *, .set-grid > *, .entry, .official { min-width: 0; }
.study { overflow-x: clip; }

@media (max-width: 760px) {
  .hero .row { flex-wrap: wrap; }
  .hero .row .btn-lg { flex: 1 1 auto; justify-content: center; }

  /* inflection tables shrink and wrap words instead of stretching the page */
  .ptables { display: grid; gap: 12px; }
  .ptable-wrap { width: 100%; }
  .ptable { width: 100%; min-width: 0; table-layout: fixed; font-size: 13.5px; }
  .ptable th, .ptable td { padding: 8px 9px; overflow-wrap: anywhere; hyphens: auto; }
  .ptable td { font-size: 15.5px; }
  .ptable.vertical th { width: 44%; }
  .entry, .official, .chapter { padding: 18px 15px; }
  .headword { font-size: clamp(30px, 10vw, 44px); }
  .senses > li { padding-inline-start: 36px; }
  .tokens, .rules { grid-template-columns: 1fr; }
  .search .btn { padding-inline: 12px; }
  .wdetail { padding: 6px 14px 14px; overflow-wrap: anywhere; }
  .wdetail .k { display: block; min-width: 0; margin-bottom: 2px; }

  /* study: exactly the visible screen height, no scrolling */
  .view-study .top { display: none; }
  .view-study .main { padding-top: 10px; padding-bottom: 0; min-height: 0; }
  body.view-study { padding-bottom: 0; }
  .study {
    height: calc(100vh - 10px);
    height: calc(100svh - 10px);
    min-height: 0;
    padding-bottom: max(12px, env(safe-area-inset-bottom));
  }
  .study-top { margin-bottom: 10px; }
  .stage { flex: 1; min-height: 0; padding: 4px 0 16px; }
  .stack { height: 100%; min-height: 220px; max-height: 520px; }
  .face { padding: 12px 16px 10px; }
  .face-body { padding: 10px 2px 4px; gap: 8px; }
  .flash-word { font-size: clamp(30px, 9vw, 46px); }
  .flash-word.l { font-size: clamp(24px, 7vw, 34px); }
  .flash-word.xl { font-size: clamp(19px, 5.4vw, 26px); }
  .flash-ex .serif { font-size: 15.5px; }
  .answer-row { flex-shrink: 0; }
  .result { padding-top: 10px; overflow-y: auto; }
  .empty.big { padding: 30px 10px; }
}

/* short screens (phone in landscape, small phones) */
@media (max-height: 620px) and (max-width: 1000px) {
  .stack { min-height: 180px; }
  .stamp { top: 44px; font-size: 17px; }
  .flash-tag { height: 28px; }
  .face { background-position: 0 44px, 0 48px; background-size: 100% 2px, 100% calc(100% - 50px); }
  .btn-yes, .btn-no, .btn-next { padding-block: 11px; }
  .btn-flip { width: 46px; height: 46px; }
  .cram-note { display: none; }
}

/* ---------- study modes ---------- */
.mode-chip { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 10px 0 12px; border-radius: 999px; border: 1.5px solid var(--line-2); background: var(--card); color: var(--ink-2); font: 600 13px/1 var(--font-ui); cursor: pointer; white-space: nowrap; flex-shrink: 0; }
.mode-chip:hover { color: var(--ink); border-color: var(--ink-3); }
.mode-list { display: grid; gap: 8px; }
.mode-row { display: grid; grid-template-columns: 44px 1fr auto; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 14px; border: 1.5px solid var(--line); background: var(--card); color: var(--ink); text-align: start; cursor: pointer; }
.mode-row:hover { border-color: var(--ink-3); }
.mode-row.on { border-color: var(--blue); background: var(--blue-soft); }
.mode-row b { display: block; font-size: 15px; }
.mode-row small { display: block; font-size: 13px; color: var(--ink-3); }
.mode-row > .ico { color: var(--blue); }
.mode-ico { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--paper-2); color: var(--blue-ink); }

.answer-row.options { grid-template-columns: 1fr 1fr; gap: 10px; }
.opt { display: flex; align-items: center; gap: 10px; min-height: 54px; padding: 10px 14px; border-radius: 16px; border: 1.5px solid var(--line-2); background: var(--card); color: var(--ink); font: 550 15.5px/1.3 var(--font-ui); text-align: start; cursor: pointer; box-shadow: 0 3px 0 var(--line-2); transition: transform 0.08s, background 0.15s, border-color 0.15s; }
.opt:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--line-2); }
.opt[disabled] { cursor: default; }
.opt-n { flex-shrink: 0; display: grid; place-items: center; width: 24px; height: 24px; border-radius: 7px; background: var(--paper-2); color: var(--ink-3); font-size: 12px; font-weight: 700; }
.opt.right { border-color: var(--green); background: var(--green-soft); box-shadow: 0 3px 0 var(--green); }
.opt.wrong { border-color: var(--red); background: var(--red-soft); box-shadow: 0 3px 0 var(--red); }
.answer-row .btn-next.wide { grid-column: 1 / -1; }

.answer-row.typing { display: flex; flex-direction: column; align-items: stretch; gap: 10px; }
.type-line { display: flex; gap: 10px; }
.type-input { font: 500 19px var(--font-serif); }
.letters { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.letter { min-width: 38px; height: 38px; border-radius: 10px; border: 1.5px solid var(--line-2); background: var(--card); color: var(--ink); font: 500 18px var(--font-serif); cursor: pointer; box-shadow: 0 2px 0 var(--line-2); }
.letter:active { transform: translateY(1px); box-shadow: none; }
.type-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 26px; }
.feedback { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0; font-weight: 600; }
.feedback.good { color: var(--green); }
.feedback.bad { color: var(--red); }
.fb-word { font-size: 18px; font-weight: 600; color: var(--ink); }

.flash-ask { font: 700 12px/1.3 var(--font-ui); letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink-3); }
.listen-big { display: grid; place-items: center; width: 96px; height: 96px; border-radius: 50%; border: 2px solid var(--line-2); background: var(--blue-soft); color: var(--blue-ink); cursor: pointer; box-shadow: 0 4px 0 var(--line-2); }
.listen-big:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--line-2); }
.cloze { max-width: 30ch; margin: 0; font-size: clamp(20px, 5vw, 26px); line-height: 1.5; }
.cloze .gap { padding: 0 4px; color: var(--blue); font-weight: 700; }
.goal-done { display: inline-flex; align-items: center; gap: 8px; margin: 10px 0 0; color: var(--green); font-weight: 600; }

@media (max-width: 420px) {
  .mode-chip span { display: none; }
  .mode-chip { padding: 0 8px; }
  .opt { min-height: 48px; padding: 8px 10px; font-size: 14.5px; }
  .letter { min-width: 34px; height: 34px; }
}

/* ---------- word stages: one ordered blue ramp (new to mastered), light and dark ---------- */
:root { --st-new: #dde3fa; --st-learning: #9aa9f0; --st-known: #4d66dd; --st-mastered: #1d2f96; }
@media (prefers-color-scheme: dark) { :root:not([data-theme='light']) { --st-new: #2a3056; --st-learning: #4254bb; --st-known: #7b8fff; --st-mastered: #c3cdff; } }
:root[data-theme='dark'] { --st-new: #2a3056; --st-learning: #4254bb; --st-known: #7b8fff; --st-mastered: #c3cdff; }
.pips.st-learning i.on { background: var(--st-learning); }
.pips.st-known i.on { background: var(--st-known); }
.pips.st-mastered i.on { background: var(--st-mastered); }
.lg i, .lg.st-new i { background: var(--st-new); }
.lg.st-learning i { background: var(--st-learning); }
.lg.st-known i { background: var(--st-known); }
.lg.st-mastered i { background: var(--st-mastered); }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- statistics ---------- */
.stat-tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat-tile { display: flex; flex-direction: column; gap: 4px; padding: 16px 18px; border-radius: 18px; border: 1.5px solid var(--line); background: var(--card); }
.st-label { font-size: 13px; color: var(--ink-2); }
.st-value { font: 650 28px/1.1 var(--font-ui); font-variant-numeric: tabular-nums; }
.stat-tile small { font-size: 12.5px; color: var(--ink-3); }
.meter { height: 8px; margin-top: 6px; border-radius: 999px; background: var(--blue-soft); overflow: hidden; }
.meter i { display: block; height: 100%; border-radius: inherit; background: var(--blue); }
.chart-card { margin-top: 16px; padding: 20px 22px; border-radius: 20px; border: 1.5px solid var(--line); background: var(--card); }
.chart-card h2 { margin: 0 0 4px; font: 650 18px/1.3 var(--font-ui); }
.chart-card > .muted { margin: 0 0 12px; }
.chart { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .tick { fill: var(--ink-3); font: 500 11px var(--font-ui); }
.chart .col { fill: var(--blue); }
.chart .hit { fill: transparent; cursor: default; outline: none; }
.chart .hit:hover, .chart .hit:focus-visible { fill: color-mix(in srgb, var(--blue) 8%, transparent); }
.chart-tip { position: absolute; z-index: 900; display: flex; flex-direction: column; gap: 1px; padding: 7px 11px; border-radius: 10px; background: var(--ink); color: var(--paper); font-size: 12.5px; pointer-events: none; box-shadow: var(--shadow); }
.chart-tip b { font-size: 15px; }
.chart-table { margin-top: 10px; }
.chart-table summary { cursor: pointer; font-size: 13px; color: var(--blue-ink); font-weight: 600; }
.chart-table .ptable { margin-top: 10px; width: 100%; }
.stage-bar { display: flex; gap: 2px; height: 30px; margin: 14px 0 12px; border-radius: 8px; overflow: hidden; }
.stage-bar .seg { display: grid; place-items: center; min-width: 4px; outline: none; }
.stage-bar .seg:focus-visible { box-shadow: inset 0 0 0 2px var(--ink); }
.stage-bar em { font: 700 12.5px var(--font-ui); font-style: normal; }
.seg.st-new { background: var(--st-new); color: var(--ink); }
.seg.st-learning { background: var(--st-learning); color: var(--ink); }
.seg.st-known { background: var(--st-known); color: #fff; }
.seg.st-mastered { background: var(--st-mastered); color: #fff; }
:root[data-theme='dark'] .seg.st-mastered, :root[data-theme='dark'] .seg.st-known { color: #15130f; }
@media (prefers-color-scheme: dark) { :root:not([data-theme='light']) .seg.st-mastered, :root:not([data-theme='light']) .seg.st-known { color: #15130f; } }
.stage-legend { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 0; padding: 0; list-style: none; font-size: 14px; }
.stage-legend li { display: inline-flex; align-items: center; gap: 8px; }
.stage-legend i { width: 12px; height: 12px; border-radius: 3px; }
.stage-legend i.st-new { background: var(--st-new); box-shadow: inset 0 0 0 1px var(--line-2); }
.stage-legend i.st-learning { background: var(--st-learning); }
.stage-legend i.st-known { background: var(--st-known); }
.stage-legend i.st-mastered { background: var(--st-mastered); }
.stage-legend b { font-variant-numeric: tabular-nums; }
.hard-list { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; }
.hard-list li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; padding: 8px 0; border-top: 1px dashed var(--line); }
.hard-list li:first-child { border-top: 0; }
.hard-list .serif { font-size: 17px; font-weight: 600; }
.hard-list .pill { margin-inline-start: auto; }
.stats-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-size: 13.5px; font-weight: 600; color: var(--blue-ink); text-decoration: none; }
.stats-link:hover { text-decoration: underline; }
.goal-line { display: flex; align-items: center; gap: 10px; margin-top: 12px; font-size: 13px; color: var(--ink-2); }
.goal-line .meter { flex: 1; margin: 0; }

/* ---------- reading ---------- */
.read-input { min-height: 220px; font-size: 19px; line-height: 1.6; }
.read-tools { margin-top: 12px; }
.read-editor > .muted { display: flex; align-items: center; gap: 6px; margin-top: 12px; }
.read-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-bottom: 8px; }
.read-legend { display: flex; flex-wrap: wrap; gap: 6px 12px; font-size: 13px; }
.read-stats { display: block; margin-bottom: 12px; }
.read-sheet-wrap { display: grid; gap: 16px; }
.read-text, .read-tr { padding: 22px 24px; border-radius: 20px; border: 1.5px solid var(--line); background: var(--card); }
.read-text { font-size: 21px; line-height: 1.85; }
.read-tr { color: var(--ink-2); font-size: 16px; line-height: 1.6; }
.read-part { margin: 0 0 14px; }
.read-part:last-child { margin: 0; }
.read-part.pending { opacity: 0.55; }
.rw.st-new, .rw.st-learning, .rw.st-known { cursor: pointer; border-radius: 4px; padding: 1px 1px; transition: background 0.15s; }
.rw.st-new { background: color-mix(in srgb, var(--blue) 14%, transparent); box-shadow: inset 0 -2px 0 color-mix(in srgb, var(--blue) 55%, transparent); }
.rw.st-learning { background: var(--yellow-soft); box-shadow: inset 0 -2px 0 var(--yellow); }
.rw.st-known:hover, .rw.st-new:hover, .rw.st-learning:hover { background: color-mix(in srgb, var(--blue) 24%, transparent); }
.read-legend .rw { cursor: default; font-weight: 500; }
.read-note { display: flex; align-items: center; gap: 6px; margin-top: 12px; }
.word-sheet {
  position: fixed; z-index: 80; inset-inline: 0; bottom: 20px; width: min(460px, calc(100vw - 24px)); margin-inline: auto;
  display: grid; gap: 8px; padding: 16px 18px; border-radius: 20px; border: 1.5px solid var(--line-2); background: var(--card);
  box-shadow: var(--shadow-lg); animation: pop 0.2s ease;
}
.ws-head { display: flex; align-items: flex-start; gap: 10px; }
.ws-head > div { flex: 1; min-width: 0; }
.ws-term { font-size: 24px; font-weight: 650; }
.ws-form { font-size: 14px; color: var(--ink-3); }
.ws-tr { margin: 0; font-size: 17px; font-weight: 600; }
.ws-note { margin: 0; font-size: 13.5px; color: var(--ink-2); }

/* ---------- sharing, reports, translator footer ---------- */
.share-main { display: flex; align-items: center; gap: 18px; margin: 12px 0; }
.qr-box.small { width: 180px; height: 180px; }
.share-side { display: grid; gap: 10px; flex: 1; min-width: 0; }
.share-url { font: 500 14px ui-monospace, Consolas, monospace; }
.share-preview { display: grid; gap: 4px; margin: 14px 0; padding: 0; list-style: none; text-align: start; font-size: 14.5px; }
.share-preview .serif { font-weight: 600; font-size: 16px; }
.share-open .deck-hero-emoji { margin: 0 auto 6px; }
.tr-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 30px; padding-top: 14px; border-top: 1px dashed var(--line); }
.tr-foot > .muted { display: inline-flex; align-items: center; gap: 6px; margin-inline-end: auto; }
.link-btn.report { color: var(--ink-3); }
.link-btn.report:hover { color: var(--red); }

@media (max-width: 760px) {
  .stat-tiles { grid-template-columns: 1fr 1fr; }
  .st-value { font-size: 24px; }
  .chart-card { padding: 16px 14px; }
  .read-text, .read-tr { padding: 16px 15px; }
  .read-text { font-size: 19px; }
  .word-sheet { bottom: calc(86px + env(safe-area-inset-bottom)); }
  .share-main { flex-direction: column; align-items: stretch; }
  .qr-box.small { margin: 0 auto; }
  .tab { font-size: 10.5px; }
  .tab .ico { padding: 4px 12px; }
}