/* ichakaev english — the same identity as the site and the subscription:
   dark ink, bone type, one signal colour (≤ 5% of the screen), Unbounded / Manrope / JetBrains Mono. */
:root {
  --bg: #07080a;
  --surface: #0b0d10;
  --surface-2: #101318;
  --surface-3: #161a20;
  --line: rgba(236, 235, 230, .08);
  --line-2: rgba(236, 235, 230, .15);
  --text: #ecebe6;
  --text-2: #b6b8bd;
  --muted: #80868f;
  --signal: #c9f73a;
  --signal-rgb: 201, 247, 58;
  --alert: #ff5a4e;
  --alert-rgb: 255, 90, 78;
  --display: "Unbounded", "Manrope", system-ui, sans-serif;
  --body: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --radius: 18px;
  --wrap: 880px;
  --gutter: 16px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --top-h: 64px;
  --tab-h: 0px;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  min-height: 100vh; min-height: 100dvh;
  background:
    radial-gradient(60rem 40rem at 85% -10%, rgba(var(--signal-rgb), .06), transparent 60%),
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 76px 76px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 76px 76px,
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font: 400 16px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
b, strong { font-weight: 600; }
::selection { background: var(--signal); color: var(--bg); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 8px; }
.mono { font-family: var(--mono); letter-spacing: 0; }
.muted { color: var(--muted); }
.center { text-align: center; }
.small { font-size: 12px; }
.hl { color: var(--signal); }
[hidden] { display: none !important; }

.skip { position: fixed; top: 12px; left: 12px; z-index: 300; padding: 10px 16px; border-radius: 10px; background: var(--signal); color: var(--bg); font-weight: 600; transform: translateY(-160%); transition: transform .3s var(--ease); }
.skip:focus { transform: none; }
.loading { padding: 40vh 16px 0; text-align: center; color: var(--muted); }

/* ------------------------------------------------------------------ header */
.top {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 24px;
  height: var(--top-h); padding: 0 max(var(--gutter), calc((100vw - 1160px) / 2));
  background: rgba(7, 8, 10, .78); -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.top__logo img { width: auto; height: 18px; }
.top__nav { display: flex; gap: 4px; margin-right: auto; }
.top__nav a, .tabbar a { padding: 8px 14px; border-radius: 999px; color: var(--text-2); font-weight: 600; font-size: 14px; transition: color .2s, background .2s; }
.top__nav a:hover { color: var(--text); }
.top__nav a[aria-current="page"] { color: var(--text); background: var(--surface-3); }
.top__right { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.streak { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--muted); font-size: 13px; }
.streak svg { width: 15px; height: 15px; }
.streak.is-on { color: var(--signal); border-color: rgba(var(--signal-rgb), .35); }
.icon-btn { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 999px; color: var(--text-2); transition: color .2s, background .2s; flex: none; }
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn:hover, .icon-btn[aria-current="page"] { color: var(--text); background: var(--surface-3); }
.chip { display: inline-flex; align-items: center; gap: 8px; max-width: 160px; height: 34px; padding: 0 14px 0 12px; border-radius: 999px; border: 1px solid var(--line-2); font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chip__dot { flex: none; width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.chip__dot.is-saved { background: var(--signal); }
.chip__dot.is-saving { background: var(--signal); animation: blink 1s steps(1) infinite; }
.chip__dot.is-offline { background: var(--alert); }
@keyframes blink { 50% { opacity: .2; } }

.tabbar { display: none; }

/* ------------------------------------------------------------------ layout */
.view { width: min(var(--wrap), 100% - var(--gutter) * 2); margin: 0 auto; padding: 36px 0 80px; display: grid; gap: 18px; }
.view > * { min-width: 0; }
.panel { position: relative; padding: clamp(20px, 3.4vw, 32px); border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(180deg, rgba(255, 255, 255, .03), rgba(255, 255, 255, .008)), var(--surface); }
.kicker { margin-bottom: 12px; font-size: 12px; letter-spacing: .06em; text-transform: lowercase; color: var(--muted); }
.display { font: 500 clamp(30px, 6vw, 52px)/1.04 var(--display); letter-spacing: -.045em; }
.lead { margin-top: 14px; max-width: 60ch; color: var(--text-2); font-size: clamp(15px, 1.6vw, 17px); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 22px; }
.page-head { padding: 8px 0 6px; }
.page-head .progress { margin-top: 18px; }

/* ------------------------------------------------------------------ buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border-radius: 999px;
  font: 600 15px/1 var(--body); white-space: nowrap;
  transition: transform .3s var(--ease), box-shadow .3s, border-color .2s, color .2s, background .2s, opacity .2s;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: var(--signal); color: #090a0c; }
.btn--primary:hover { box-shadow: 0 10px 40px -8px rgba(var(--signal-rgb), .55); transform: translateY(-1px); }
.btn--ghost { border: 1px solid var(--line-2); color: var(--text); }
.btn--ghost:hover { border-color: rgba(var(--signal-rgb), .6); color: var(--signal); }
.btn--danger { border: 1px solid rgba(var(--alert-rgb), .45); color: var(--alert); }
.btn--danger:hover { background: rgba(var(--alert-rgb), .08); }
.btn--sm { min-height: 34px; padding: 0 14px; font-size: 13px; }
.btn--big { min-height: 56px; padding: 0 30px; font-size: 16px; }
.btn:disabled { opacity: .4; cursor: default; box-shadow: none; transform: none; }

.sound { display: inline-grid; place-items: center; flex: none; width: 40px; height: 40px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--text); transition: border-color .2s, color .2s, background .2s; }
.sound svg { width: 18px; height: 18px; }
.sound:hover { border-color: rgba(var(--signal-rgb), .6); color: var(--signal); }
.sound:active { background: rgba(var(--signal-rgb), .1); }
.sound--slow { color: var(--muted); }
.sound--big { width: 84px; height: 84px; border-color: rgba(var(--signal-rgb), .5); color: var(--signal); }
.sound--big svg { width: 34px; height: 34px; }

/* ------------------------------------------------------------------ today */
.onboard { padding: clamp(28px, 6vw, 56px); overflow: hidden; }
.onboard::after { content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(closest-side, rgba(var(--signal-rgb), .12), transparent); pointer-events: none; }
.today { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.today__side { display: grid; justify-items: center; gap: 10px; }
.today__streak { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; }
.today__streak svg { width: 15px; height: 15px; color: var(--signal); }
.today__streak b { color: var(--text); }
.ring { position: relative; width: 120px; height: 120px; }
.ring__svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring__bg { fill: none; stroke: var(--line-2); stroke-width: 6; }
.ring__fg { fill: none; stroke: var(--signal); stroke-width: 6; stroke-linecap: round; transition: stroke-dasharray .8s var(--ease); }
.ring__text { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.ring__text b { font: 500 30px/1 var(--display); letter-spacing: -.04em; }
.ring__text small { margin-top: 4px; font-size: 11px; color: var(--muted); }

.unit-card { display: block; transition: border-color .3s; }
.unit-card:hover { border-color: rgba(var(--signal-rgb), .35); }
.unit-card h2 { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; font: 500 clamp(22px, 3.4vw, 28px)/1.15 var(--display); letter-spacing: -.035em; }
.unit-card h2 small { font: 500 13px/1 var(--mono); letter-spacing: 0; color: var(--muted); }
.unit-card .muted { margin: 8px 0 16px; }
.note-panel { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.note-panel > div { flex: 1 1 320px; }
.note-panel h3 { font-size: 17px; margin-bottom: 4px; }

.bars { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 8px; align-items: end; height: 120px; }
.bars li { display: grid; grid-template-rows: auto 1fr auto; justify-items: center; gap: 6px; height: 100%; }
.bars i { align-self: end; width: 100%; max-width: 36px; border-radius: 6px 6px 2px 2px; background: rgba(var(--signal-rgb), .75); }
.bars i.is-zero { background: var(--line-2); }
.bars__n, .bars__d { font-size: 11px; color: var(--muted); }

.progress__track { position: relative; height: 6px; border-radius: 6px; background: var(--line); overflow: hidden; }
.progress__track i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 6px; }
.progress__started { background: rgba(236, 235, 230, .22); }
.progress__learned { background: var(--signal); }
.progress__label { margin-top: 8px; font-size: 12px; color: var(--muted); }

/* ------------------------------------------------------------------ course */
.level { display: grid; gap: 12px; margin-top: 18px; }
.level__head { display: flex; align-items: center; gap: 16px; }
.level__id { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 16px; background: var(--signal); color: #090a0c; font: 500 20px/1 var(--display); letter-spacing: -.03em; flex: none; }
.level__head h2 { font: 500 22px/1.2 var(--display); letter-spacing: -.035em; }
.units { display: grid; gap: 8px; }
.unit-row { display: grid; grid-template-columns: 40px 1fr 120px 64px; align-items: center; gap: 14px; padding: 14px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); transition: border-color .2s, background .2s; }
.unit-row:hover { border-color: var(--line-2); background: var(--surface-2); }
.unit-row__n { color: var(--muted); font-size: 13px; }
.unit-row__t b { display: block; font-weight: 600; }
.unit-row__t small { color: var(--muted); font-size: 13px; }
.unit-row__p { height: 4px; border-radius: 4px; background: var(--line); overflow: hidden; }
.unit-row__p i { display: block; height: 100%; background: var(--signal); }
.unit-row__s { text-align: right; font-size: 12px; color: var(--muted); }

/* ------------------------------------------------------------------ unit */
.back { display: inline-flex; align-items: center; gap: 4px; width: fit-content; color: var(--text-2); font-weight: 600; font-size: 14px; }
.back svg { width: 18px; height: 18px; }
.back:hover { color: var(--text); }
.tabs { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); width: fit-content; max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.tabs a { padding: 9px 16px; border-radius: 999px; color: var(--text-2); font-weight: 600; font-size: 14px; white-space: nowrap; }
.tabs a[aria-selected="true"] { background: var(--text); color: var(--bg); }

.wordlist { display: grid; gap: 8px; }
.wordrow { position: relative; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 4px 14px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.wordrow__main { display: flex; align-items: center; gap: 14px; min-width: 0; }
.wordrow__main > div { min-width: 0; }
.wordrow__en { font-weight: 600; font-size: 17px; overflow-wrap: anywhere; }
.wordrow__en .ipa { margin-left: 10px; font-weight: 400; font-size: 13px; color: var(--muted); }
.wordrow__ru { color: var(--text-2); font-size: 14px; }
.wordrow__more { grid-column: 1 / -1; padding-left: 54px; font-size: 14px; color: var(--text-2); }
.wordrow__more summary { width: fit-content; cursor: pointer; color: var(--muted); font: 500 12px/1.8 var(--mono); }
.wordrow__more summary:hover { color: var(--text); }
.wordrow__more p { display: flex; align-items: center; gap: 10px; margin-top: 6px; }
.wordrow__more .sound { width: 30px; height: 30px; }
.wordrow__more .sound svg { width: 14px; height: 14px; }
.wordrow__st { position: absolute; top: 16px; right: 16px; width: 8px; height: 8px; border-radius: 50%; background: var(--line-2); }
.wordrow.is-learning .wordrow__st { background: rgba(var(--signal-rgb), .45); }
.wordrow.is-learned .wordrow__st { background: var(--signal); box-shadow: 0 0 10px rgba(var(--signal-rgb), .6); }
.wordrow__unit { font-size: 12px; color: var(--muted); white-space: nowrap; }
.wordrow__unit:hover { color: var(--text); }
.hint-note { margin-top: 10px; padding: 10px 14px; border-left: 2px solid rgba(var(--signal-rgb), .5); border-radius: 0 10px 10px 0; background: rgba(var(--signal-rgb), .04); color: var(--text-2); font-size: 14px; }

.grammar { display: grid; gap: 14px; padding: clamp(20px, 3.4vw, 32px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.grammar h2, .rule__title { font: 500 clamp(22px, 3.6vw, 30px)/1.15 var(--display); letter-spacing: -.035em; }
.grammar p, .rule__p { color: var(--text-2); max-width: 66ch; }
.grammar p b, .rule__p b, .pitfalls b, .explain b { color: var(--text); }
.grammar h3 { margin: 10px 0 0; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
.gtable { width: 100%; border-collapse: collapse; font-size: 14px; }
.gtable th, .gtable td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.gtable thead th { font: 500 11px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); background: var(--surface-2); }
.gtable tbody th { color: var(--signal); font-weight: 600; }
.gtable tr:last-child > * { border-bottom: 0; }
.examples { display: grid; gap: 8px; }
.examples li { display: flex; align-items: center; gap: 12px; }
.examples span { display: grid; }
.examples small { color: var(--muted); font-size: 13px; }
.examples .sound { width: 34px; height: 34px; }
mark { background: rgba(var(--signal-rgb), .16); color: var(--signal); border-radius: 4px; padding: 0 3px; }
.pitfalls { display: grid; gap: 8px; }
.pitfalls li { position: relative; padding: 10px 14px 10px 36px; border-radius: 12px; background: rgba(var(--alert-rgb), .05); color: var(--text-2); font-size: 15px; }
.pitfalls li::before { content: "!"; position: absolute; left: 14px; top: 10px; color: var(--alert); font: 600 14px/1.6 var(--mono); }

.dialogue-wrap .actions { margin: 0 0 14px; }
.dialogue { display: grid; gap: 10px; }
.dialogue li { display: flex; }
.dialogue li.is-b { justify-content: flex-end; }
.line { display: flex; gap: 12px; max-width: min(560px, 88%); padding: 12px 16px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); text-align: left; transition: border-color .2s; }
.is-b .line { flex-direction: row-reverse; background: var(--surface-2); text-align: right; }
.line:hover, .is-now .line { border-color: rgba(var(--signal-rgb), .5); }
.line__who { flex: none; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--surface-3); color: var(--muted); font-size: 12px; }
.is-now .line__who { background: var(--signal); color: var(--bg); }
.line span:last-child { display: grid; gap: 2px; }
.line b { font-weight: 600; }
.line small { color: var(--muted); font-size: 13px; }
.hide-ru .line small { display: none; }
.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; color: var(--text-2); font-size: 14px; user-select: none; }
.switch input { appearance: none; width: 40px; height: 24px; border-radius: 999px; background: var(--surface-3); border: 1px solid var(--line-2); position: relative; cursor: pointer; transition: background .2s; flex: none; }
.switch input::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: var(--text-2); transition: transform .25s var(--ease), background .2s; }
.switch input:checked { background: rgba(var(--signal-rgb), .2); border-color: rgba(var(--signal-rgb), .5); }
.switch input:checked::after { transform: translateX(16px); background: var(--signal); }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.pager a { display: grid; gap: 2px; padding: 14px 18px; border: 1px solid var(--line); border-radius: 14px; font-weight: 600; transition: border-color .2s; }
.pager a:last-child { text-align: right; }
.pager a:hover { border-color: rgba(var(--signal-rgb), .4); }
.pager small { color: var(--muted); font-size: 12px; font-weight: 400; }

/* ------------------------------------------------------------------ session */
html.is-session .top, html.is-session .tabbar { display: none; }
html.is-session .view { padding-top: 0; }
.run { display: grid; gap: 20px; min-height: calc(100dvh - 40px); align-content: start; }
.run__top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 14px; padding: 16px 0 10px; background: linear-gradient(var(--bg) 70%, transparent); }
.run__bar { flex: 1; height: 6px; border-radius: 6px; background: var(--line); overflow: hidden; }
.run__bar i { display: block; height: 100%; background: var(--signal); transform-origin: left; transform: scaleX(0); transition: transform .5s var(--ease); box-shadow: 0 0 12px rgba(var(--signal-rgb), .5); }
.run__count { min-width: 48px; text-align: right; font-size: 12px; color: var(--muted); }
.run__stage { display: grid; }
.card-step { display: grid; gap: 16px; padding: clamp(22px, 4vw, 40px); border: 1px solid var(--line); border-radius: 24px; background: var(--surface); animation: rise .45s var(--ease); }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }
.card-step.is-ok { border-color: rgba(var(--signal-rgb), .35); }
.card-step.is-bad { border-color: rgba(var(--alert-rgb), .4); }
.step-kicker { font-size: 12px; color: var(--muted); letter-spacing: .04em; }
.word-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.word { font: 500 clamp(34px, 8vw, 56px)/1.05 var(--display); letter-spacing: -.045em; overflow-wrap: anywhere; }
.word--ru { font-family: var(--body); font-weight: 600; letter-spacing: -.02em; font-size: clamp(28px, 6vw, 42px); }
.ipa { color: var(--muted); font-size: 15px; }
.meaning { font-size: 22px; font-weight: 600; }
.example { display: grid; gap: 4px; padding: 14px 16px; border-radius: 14px; background: var(--surface-2); }
.example p:first-child { display: flex; align-items: center; gap: 10px; font-size: 17px; }
.example .sound { width: 32px; height: 32px; }
.example .sound svg { width: 14px; height: 14px; }
.example__ru { color: var(--muted); font-size: 14px; }
.cloze { font-size: clamp(20px, 3.6vw, 26px); font-weight: 600; line-height: 1.45; }
.gap { display: inline-block; min-width: 3.5em; margin: 0 .2em; border-bottom: 2px solid var(--signal); color: transparent; }
.prompt-ru { font-size: clamp(22px, 4vw, 28px); font-weight: 600; line-height: 1.3; }
.options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.option { display: flex; align-items: center; gap: 12px; min-height: 58px; padding: 12px 16px; border: 1px solid var(--line-2); border-radius: 14px; background: var(--surface-2); text-align: left; font-weight: 600; font-size: 16px; transition: border-color .2s, background .2s, transform .2s var(--ease); }
.option:not(:disabled):hover { border-color: rgba(var(--signal-rgb), .5); transform: translateY(-1px); }
.option__key { display: grid; place-items: center; flex: none; width: 24px; height: 24px; border-radius: 7px; border: 1px solid var(--line-2); color: var(--muted); font-size: 12px; font-weight: 500; }
.option:disabled { cursor: default; }
.option.is-right { border-color: var(--signal); background: rgba(var(--signal-rgb), .1); color: var(--signal); }
.option.is-wrong { border-color: var(--alert); background: rgba(var(--alert-rgb), .08); color: var(--alert); }
.option--skip { justify-content: center; color: var(--muted); border-style: dashed; grid-column: 1 / -1; min-height: 46px; }
.answer { width: 100%; min-height: 56px; padding: 0 18px; border: 1px solid var(--line-2); border-radius: 14px; background: var(--bg); color: var(--text); font-size: 20px; font-weight: 600; outline: none; transition: border-color .2s; }
.answer:focus { border-color: rgba(var(--signal-rgb), .6); }
.answer:disabled { opacity: .7; }
.answer::placeholder { color: var(--muted); font-weight: 400; font-size: 15px; }
.answer--search { font-size: 16px; }
.hint-line { min-height: 1.5em; font-size: 20px; letter-spacing: .25em; color: var(--signal); }
.hint-line.is-warn { font-size: 14px; letter-spacing: 0; color: #f2c94c; }
.card-step .actions { margin-top: 4px; }
.card-step .actions .btn--primary { margin-left: auto; }

.feedback:empty { display: none; }
.feedback { display: grid; gap: 8px; padding-top: 16px; border-top: 1px solid var(--line); animation: rise .35s var(--ease); }
.verdict { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.verdict__mark { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; }
.verdict__mark svg { width: 16px; height: 16px; }
.verdict.is-ok { color: var(--signal); }
.verdict.is-ok .verdict__mark { background: rgba(var(--signal-rgb), .15); }
.verdict.is-bad { color: var(--alert); }
.verdict.is-bad .verdict__mark { background: rgba(var(--alert-rgb), .14); }
.solution { font-size: 17px; color: var(--text-2); }
.solution b { color: var(--text); font-size: 19px; }
.diff { font-size: 17px; overflow-wrap: anywhere; }
.diff s { color: var(--muted); }
.diff mark { background: rgba(var(--alert-rgb), .16); color: var(--alert); }
.diff__label { color: var(--muted); font-size: 12px; }
.explain { color: var(--text-2); font-size: 15px; }

.order__line { display: flex; flex-wrap: wrap; gap: 8px; min-height: 60px; padding: 10px; border: 1px dashed var(--line-2); border-radius: 14px; }
.order__bank { display: flex; flex-wrap: wrap; gap: 8px; }
.tile { padding: 10px 14px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--surface-2); font-weight: 600; font-size: 16px; transition: border-color .2s, transform .2s var(--ease); }
.tile:not(:disabled):hover { border-color: rgba(var(--signal-rgb), .5); transform: translateY(-1px); }
.tile--in { background: var(--surface-3); border-color: rgba(var(--signal-rgb), .3); }

.shadow__text { font-size: clamp(22px, 4vw, 28px); font-weight: 600; line-height: 1.35; }
.shadow__row { display: flex; flex-wrap: wrap; gap: 8px; }
.shadow__status { color: var(--muted); font-size: 14px; }
.shadow__text mark.said { background: rgba(var(--alert-rgb), .16); color: var(--alert); border-radius: 6px; padding: 0 4px; }
.shadow__heard { color: var(--text-2); font-size: 14px; overflow-wrap: anywhere; }
.shadow__heard:empty { display: none; }
.shadow__note { color: var(--muted); font-size: 12px; }

.summary { text-align: left; }
.summary__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
.summary__grid > div { padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface-2); }
.summary__grid dt { font: 500 11px/1.4 var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.summary__grid dd { margin-top: 6px; font: 500 28px/1 var(--display); letter-spacing: -.04em; }
.stats .summary__grid { margin-top: 0; }

.placement .card-step { min-height: 360px; align-content: start; }

.mistakes { display: grid; gap: 10px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); }
.mistakes .wordrow s { color: var(--alert); text-decoration-color: rgba(var(--alert-rgb), .6); }
.done-panel { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; border-color: rgba(var(--signal-rgb), .35); }
.done-panel > div { flex: 1 1 300px; }
.done-panel h3 { color: var(--signal); font-size: 18px; margin-bottom: 4px; }

.today__memory { font-size: 12px; color: var(--muted); }
.backlog { grid-column: 1 / -1; margin-top: 4px; padding: 12px 14px; border-radius: 12px; background: rgba(242, 201, 76, .07); border: 1px solid rgba(242, 201, 76, .3); color: var(--text-2); font-size: 14px; }
.intro__more { display: grid; gap: 14px; animation: rise .3s var(--ease); }
.phrase { font: 500 clamp(24px, 5vw, 36px)/1.15 var(--display); letter-spacing: -.035em; }
.exchange { display: grid; gap: 8px; }
.exchange__line { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface-2); max-width: 92%; }
.exchange__line.is-b { justify-self: end; flex-direction: row-reverse; text-align: right; border-color: rgba(var(--signal-rgb), .3); }
.exchange__line span { display: grid; gap: 2px; }
.exchange__line small { color: var(--muted); font-size: 13px; }
.options--wide { grid-template-columns: 1fr; }
.contrast { color: var(--text-2); font-size: 15px; }
.contrast b { color: #f2c94c; }
.said { border-radius: 4px; }
mark.said { background: rgba(242, 201, 76, .18); color: #f2c94c; }

/* ------------------------------------------------------------------ dictionary */
.dict { display: grid; gap: 16px; }
.dict__result { display: grid; gap: 16px; }
.dict__result:empty { display: none; }
.dict__card { display: grid; gap: 14px; background: var(--surface-2); }
.dict__sound { display: flex; flex-wrap: wrap; gap: 8px; }
.dict__accent { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 16px 0 12px; border: 1px solid var(--line-2); border-radius: 999px; transition: border-color .2s, color .2s; }
.dict__accent svg { width: 16px; height: 16px; color: var(--signal); }
.dict__accent .mono:first-of-type { font-size: 12px; color: var(--muted); }
.dict__accent .ipa { font-size: 15px; color: var(--text); }
.dict__accent:hover { border-color: rgba(var(--signal-rgb), .6); }
.dict__senses { display: grid; gap: 8px; counter-reset: s; }
.dict__senses li { display: grid; grid-template-columns: 72px 1fr; gap: 12px; color: var(--text-2); }
.dict__pos { font-size: 12px; color: var(--muted); padding-top: 3px; }
.dict__more { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.dict__more button { display: grid; gap: 2px; width: 100%; padding: 10px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); text-align: left; transition: border-color .2s; }
.dict__more button:hover { border-color: rgba(var(--signal-rgb), .4); }
.dict__more b { font-weight: 600; }
.dict__more span { color: var(--muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dict__src { font-size: 11px; color: var(--muted); }
.small-gap { margin-bottom: 12px; }

/* ------------------------------------------------------------------ words, stats, settings */
.add { display: grid; gap: 10px; }
.add__row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.add .answer { font-size: 16px; }
.add .actions { margin-top: 4px; }
.heat { display: grid; grid-template-rows: repeat(7, 14px); grid-auto-flow: column; grid-auto-columns: 14px; gap: 4px; overflow-x: auto; padding-bottom: 4px; }
.heat i { border-radius: 4px; background: var(--line); }
.heat i.l1 { background: rgba(var(--signal-rgb), .25); }
.heat i.l2 { background: rgba(var(--signal-rgb), .45); }
.heat i.l3 { background: rgba(var(--signal-rgb), .7); }
.heat i.l4 { background: var(--signal); }
.level-progress { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: center; margin-top: 12px; }
.level-progress b { font-family: var(--display); font-weight: 500; }
.form { display: grid; gap: 22px; }
.field { display: grid; gap: 10px; }
.field__name { font-weight: 700; }
.seg { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 4px; border: 1px solid var(--line-2); border-radius: 14px; width: fit-content; max-width: 100%; }
.seg button { padding: 9px 16px; border-radius: 10px; color: var(--text-2); font-weight: 600; font-size: 14px; transition: background .2s, color .2s; }
.seg button[aria-checked="true"] { background: var(--signal); color: #090a0c; }
.seg button:not([aria-checked="true"]):hover { color: var(--text); }

.empty { padding: 15vh 0; display: grid; gap: 14px; justify-items: start; }
.toast { position: fixed; left: 50%; bottom: calc(24px + var(--tab-h)); z-index: 100; transform: translate(-50%, 20px); padding: 12px 18px; border-radius: 12px; background: var(--text); color: var(--bg); font-size: 13px; opacity: 0; pointer-events: none; transition: opacity .3s, transform .4s var(--ease); max-width: calc(100vw - 32px); }
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

.login { max-width: 560px; padding-top: 48px; }
.login .top__logo { margin-bottom: 18px; }
.login__widget { min-height: 48px; margin-top: 24px; }
.login__error { margin-top: 16px; padding: 12px 14px; border: 1px solid rgba(var(--alert-rgb), .45); border-radius: 12px; color: var(--alert); }
.login .small a { text-decoration: underline; text-underline-offset: 3px; }

/* ------------------------------------------------------------------ install */
.install { border-color: rgba(var(--signal-rgb), .25); }
.sheet { position: fixed; inset: 0; z-index: 200; display: grid; align-items: end; justify-items: center; background: rgba(0, 0, 0, .6); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; } }
.sheet__box { display: grid; gap: 16px; width: min(520px, 100%); padding: 22px 20px calc(22px + env(safe-area-inset-bottom)); border: 1px solid var(--line-2); border-bottom: 0; border-radius: 24px 24px 0 0; background: var(--surface); animation: rise .35s var(--ease); }
.sheet__head { display: grid; grid-template-columns: 48px 1fr auto; align-items: center; gap: 14px; }
.sheet__head img { border-radius: 12px; }
.sheet__head b { display: block; }
.sheet__head small { color: var(--muted); font-size: 13px; }
.sheet__steps { display: grid; gap: 12px; }
.sheet__steps li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start; color: var(--text-2); }
.sheet__n { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--signal); color: var(--bg); font-size: 13px; }
.inline-icon { display: inline-block; width: 18px; height: 18px; vertical-align: -3px; color: var(--signal); }
@media (min-width: 761px) { .sheet { align-items: center; } .sheet__box { border-radius: 24px; border-bottom: 1px solid var(--line-2); } }

/* installed on iOS the page runs under the status bar */
@supports (padding: env(safe-area-inset-top)) {
  .top { padding-top: env(safe-area-inset-top); height: calc(var(--top-h) + env(safe-area-inset-top)); }
  .run__top { padding-top: calc(16px + env(safe-area-inset-top)); }
}

/* ------------------------------------------------------------------ phone */
@media (max-width: 760px) {
  :root { --tab-h: 64px; --top-h: 56px; }
  .top { gap: 12px; }
  .top__nav { display: none; }
  .streak { height: 30px; padding: 0 10px; }
  .chip { max-width: 110px; }
  .tabbar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px;
    height: calc(var(--tab-h) + env(safe-area-inset-bottom)); padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
    background: rgba(7, 8, 10, .9); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-top: 1px solid var(--line);
  }
  .tabbar a { display: grid; place-items: center; padding: 0; font-size: 13px; }
  .tabbar a[aria-current="page"] { color: var(--signal); background: var(--surface-2); }
  .view { padding: 22px 0 calc(var(--tab-h) + 40px); }
  html.is-session .view { padding-bottom: 32px; }
  .today { grid-template-columns: 1fr; }
  .today__side { grid-auto-flow: column; justify-content: start; align-items: center; gap: 16px; }
  .ring { width: 92px; height: 92px; }
  .ring__text b { font-size: 24px; }
  .unit-row { grid-template-columns: 30px 1fr 52px; padding: 12px 14px; }
  .unit-row__p { display: none; }
  .options { grid-template-columns: 1fr; }
  .summary__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .add__row { grid-template-columns: 1fr; }
  .wordrow__more { padding-left: 0; }
  .wordrow { grid-template-columns: 1fr; }
  .wordrow__unit { justify-self: start; padding-left: 54px; }
  .card-step .actions .btn--primary { flex: 1; }
  .btn--big { width: 100%; }
}
@media (max-width: 380px) { .top__logo img { height: 15px; } .streak { display: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }