/* Band Nine IELTS — styles */
/* Layout: exam-hall app — a skill rail on the left (a top bar on phones); every page is a white
   answer "sheet" laid on a cool paper plane. Ballpoint blue for actions, examiner red/green for marking,
   highlighter yellow for reading. */
:root {
  --paper: #edf1f0;
  --sheet: #ffffff;
  --sheet-2: #f5f7f7;
  --ink: #14202b;
  --ink-2: #4a5866;
  --ink-3: #66737f;
  --rule: #dbe2e5;
  --rule-2: #c2ccd2;
  --pen: #1f45b5;
  --pen-hover: #17378f;
  --on-pen: #ffffff;
  --pen-wash: #e8edfb;
  --red: #c2302a;
  --red-wash: #fcebe9;
  --green: #16764a;
  --green-wash: #e3f3ea;
  --amber: #9a5800;
  --amber-wash: #fbf0dc;
  --hl: #fff27a;
  --hl-ink: #14202b;
  --sk-l: #0b7a83;
  --sk-r: #5b47c9;
  --sk-w: #a65d06;
  --sk-s: #b5346a;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --heat-0: #e3e9eb;
  --heat-1: #b7d3f6;
  --heat-2: #6da7ec;
  --heat-3: #2a78d6;
  --grid: #e4e9eb;
  --axis: #b9c3c9;
  --shadow: 0 1px 2px rgb(20 32 43 / 6%), 0 8px 24px rgb(20 32 43 / 6%);

  --f-display: "Bricolage Grotesque", "Be Vietnam Pro", system-ui, sans-serif;
  --f-body: "Be Vietnam Pro", system-ui, "Segoe UI", Roboto, sans-serif;
  --f-paper: "Source Serif 4", Georgia, "Times New Roman", serif;
  --f-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --t-xs: 0.75rem;
  --t-sm: 0.8125rem;
  --t-md: 0.9375rem;
  --t-lg: 1.0625rem;
  --t-xl: 1.375rem;
  --t-2xl: 1.875rem;
  --t-3xl: 2.625rem;

  --rail-w: 236px;
  --radius: 10px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0c1215;
    --sheet: #151d22;
    --sheet-2: #1b252b;
    --ink: #e7edf0;
    --ink-2: #aab7c0;
    --ink-3: #8a98a2;
    --rule: #26333b;
    --rule-2: #36454f;
    --pen: #8aa5ff;
    --pen-hover: #a9bdff;
    --on-pen: #0c1215;
    --pen-wash: #1d2846;
    --red: #ff8a7f;
    --red-wash: #3a1e1c;
    --green: #62d49d;
    --green-wash: #14301f;
    --amber: #f2b45c;
    --amber-wash: #33270f;
    --hl: #e9d64f;
    --hl-ink: #10161a;
    --sk-l: #46bac3;
    --sk-r: #a496f2;
    --sk-w: #e8a04e;
    --sk-s: #ef80ab;
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --heat-0: #1f2a31;
    --heat-1: #184f95;
    --heat-2: #2a78d6;
    --heat-3: #6da7ec;
    --grid: #233038;
    --axis: #3a4952;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 8px 24px rgb(0 0 0 / 25%);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --paper: #0c1215;
  --sheet: #151d22;
  --sheet-2: #1b252b;
  --ink: #e7edf0;
  --ink-2: #aab7c0;
  --ink-3: #8a98a2;
  --rule: #26333b;
  --rule-2: #36454f;
  --pen: #8aa5ff;
  --pen-hover: #a9bdff;
  --on-pen: #0c1215;
  --pen-wash: #1d2846;
  --red: #ff8a7f;
  --red-wash: #3a1e1c;
  --green: #62d49d;
  --green-wash: #14301f;
  --amber: #f2b45c;
  --amber-wash: #33270f;
  --hl: #e9d64f;
  --hl-ink: #10161a;
  --sk-l: #46bac3;
  --sk-r: #a496f2;
  --sk-w: #e8a04e;
  --sk-s: #ef80ab;
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70;
  --heat-0: #1f2a31;
  --heat-1: #184f95;
  --heat-2: #2a78d6;
  --heat-3: #6da7ec;
  --grid: #233038;
  --axis: #3a4952;
  --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 8px 24px rgb(0 0 0 / 25%);
  color-scheme: dark;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 var(--t-md)/1.6 var(--f-body);
}
img, svg { max-width: 100%; }
[hidden] { display: none !important; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; text-wrap: balance; }
p { margin: 0; }
a { color: var(--pen); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--pen); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--pen-wash); }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-3); }
.small { font-size: var(--t-sm); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.ic {
  width: 18px; height: 18px; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}

/* ---------- app shell ---------- */
.app {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr);
  min-height: 100vh;
}
.rail {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px 16px;
  background: var(--sheet);
  border-right: 1px solid var(--rule);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); padding: 0 8px; }
.brand-mark {
  display: grid; place-items: center;
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--ink); color: var(--sheet);
  font: 800 1.125rem/1 var(--f-display); letter-spacing: -0.02em;
}
.brand-name { display: flex; flex-direction: column; font: 800 1.25rem/1.1 var(--f-display); letter-spacing: -0.01em; }
.brand-name small { font: 500 var(--t-xs)/1.4 var(--f-body); color: var(--ink-3); letter-spacing: 0; margin-top: 2px; }

.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-label { font-size: var(--t-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); padding: 12px 10px 6px; }
.nav a {
  --sk: var(--ink-2);
  display: flex; align-items: center; gap: 12px;
  padding: 9px 10px; border-radius: 8px;
  color: var(--ink-2); text-decoration: none; font-weight: 500;
}
.nav a:hover { background: var(--sheet-2); color: var(--ink); }
.nav a.active { background: var(--sheet-2); color: var(--ink); box-shadow: inset 0 0 0 1px var(--rule); }
.nav-key {
  display: grid; place-items: center; flex: none;
  width: 28px; height: 28px; border-radius: 7px;
  border: 1.5px solid var(--sk); color: var(--sk);
  font: 700 var(--t-sm)/1 var(--f-mono);
}
.nav a.active .nav-key { background: var(--sk); color: var(--sheet); }
.nav a .nav-key .ic { width: 16px; height: 16px; }

.nav a.sub { padding: 5px 10px 5px 50px; font-size: var(--t-sm); font-weight: 500; color: var(--ink-3); position: relative; }
.nav a.sub::before { content: ""; position: absolute; left: 23px; top: 50%; width: 6px; height: 6px; margin-top: -3px; border-radius: 50%; background: var(--sk); opacity: 0.6; }
.nav a.sub.active { color: var(--ink); box-shadow: none; }
.nav a.sub.active::before { opacity: 1; }

.rail-foot { margin-top: auto; display: flex; flex-direction: column; gap: 8px; }
.rail-foot .btn { justify-content: flex-start; }

.view {
  min-width: 0;
  width: 100%;
  max-width: 1280px;
  padding: 32px clamp(16px, 4vw, 48px) 72px;
  outline: none;
}

@media (max-width: 880px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .rail {
    position: sticky; z-index: 20;
    top: env(safe-area-inset-top, 0px);
    height: auto; flex-direction: row; align-items: center; gap: 12px;
    padding: 10px 16px;
    border-right: 0; border-bottom: 1px solid var(--rule);
  }
  .brand { padding: 0; }
  .brand-name { display: none; }
  .brand-mark { width: 38px; height: 38px; font-size: 1rem; }
  .nav { flex-direction: row; overflow-x: auto; scrollbar-width: none; min-width: 0; flex: 1; }
  .nav::-webkit-scrollbar { display: none; }
  .nav-label { display: none; }
  .nav a.sub { display: none; }
  .nav a { flex: none; padding: 6px 10px; gap: 8px; }
  .nav a .nav-text { font-size: var(--t-sm); }
  .rail-foot { margin: 0; }
  .rail-foot .btn-label { display: none; }
  .view { padding-top: 24px; }
}
@media (max-width: 600px) {
  .brand { display: none; }
  .nav { justify-content: space-between; }
  .nav a { padding: 4px; }
  .nav a .nav-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .nav a.active { box-shadow: none; background: transparent; }
  .nav-key { width: 34px; height: 34px; }
}

/* ---------- page header ---------- */
.page-head { --sk: var(--pen); display: grid; gap: 10px; margin-bottom: 24px; max-width: 72ch; }
.eyebrow {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  font-size: var(--t-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3);
}
.skill-key {
  display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 6px;
  background: var(--sk); color: var(--sheet); font: 700 var(--t-xs)/1 var(--f-mono); letter-spacing: 0;
}
.skill-key .ic { width: 14px; height: 14px; }
.page-head h1 { font: 800 var(--t-3xl)/1.05 var(--f-display); letter-spacing: -0.025em; }
.lede { color: var(--ink-2); font-size: var(--t-lg); }

h2.section-title { font: 700 var(--t-xl)/1.2 var(--f-display); letter-spacing: -0.01em; margin-bottom: 12px; }
h3 { font-size: var(--t-lg); font-weight: 700; }

/* ---------- surfaces ---------- */
.card {
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 20px;
  min-width: 0;
}
.card.raised { box-shadow: var(--shadow); }
.stack { display: grid; gap: 16px; }
.stack-lg { display: grid; gap: 28px; }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.row-between { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.grid-2 { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid-3 { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.divider { height: 1px; background: var(--rule); border: 0; margin: 4px 0; }

.notice {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 14px; border-radius: 8px;
  background: var(--amber-wash); color: var(--ink); font-size: var(--t-sm);
}
.notice .ic { color: var(--amber); margin-top: 2px; }
.notice.info { background: var(--pen-wash); }
.notice.info .ic { color: var(--pen); }

/* ---------- buttons & controls ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 40px; padding: 8px 16px;
  border: 1px solid var(--rule-2); border-radius: 8px;
  background: var(--sheet); color: var(--ink);
  font-weight: 600; font-size: var(--t-md); cursor: pointer; text-decoration: none;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}
.btn:hover { background: var(--sheet-2); border-color: var(--ink-3); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--pen); border-color: var(--pen); color: var(--on-pen); }
.btn-primary:hover { background: var(--pen-hover); border-color: var(--pen-hover); color: var(--on-pen); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn-ghost:hover { background: var(--sheet-2); border-color: var(--rule); color: var(--ink); }
.btn-danger { color: var(--red); }
.btn-sm { min-height: 32px; padding: 4px 12px; font-size: var(--t-sm); }
.btn-round { width: 48px; height: 48px; min-height: 48px; padding: 0; border-radius: 50%; }
.btn-round .ic { width: 20px; height: 20px; }
.btn-rec { background: var(--red); border-color: var(--red); color: var(--on-pen); }
.btn-rec:hover { background: var(--red); filter: brightness(0.92); color: var(--on-pen); }

.field { display: grid; gap: 6px; min-width: 0; }
.field > span { font-size: var(--t-sm); font-weight: 600; color: var(--ink-2); }
input[type="text"], input[type="date"], input[type="number"], input[type="search"], select, textarea {
  min-height: 40px; padding: 8px 12px;
  border: 1px solid var(--rule-2); border-radius: 8px;
  background: var(--sheet); color: var(--ink);
  min-width: 0; max-width: 100%;
}
select { padding-right: 32px; }
textarea { width: 100%; resize: vertical; line-height: 1.7; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--pen); outline-offset: 0; border-color: var(--pen); }
label.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: var(--t-sm); color: var(--ink-2); }
label.check input { width: 16px; height: 16px; accent-color: var(--pen); }
label.inline { display: inline-flex; align-items: center; gap: 8px; font-size: var(--t-sm); color: var(--ink-2); }
label.inline select { min-height: 34px; padding: 4px 28px 4px 10px; font-size: var(--t-sm); }

/* tabs */
.tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 2px; margin-bottom: 16px; scrollbar-width: thin; }
.tab {
  display: flex; flex-direction: column; align-items: flex-start; gap: 0;
  flex: none; padding: 8px 14px; border-radius: 8px;
  border: 1px solid var(--rule); background: var(--sheet); color: var(--ink-2);
  cursor: pointer; text-align: left;
}
.tab b { font-size: var(--t-md); color: var(--ink); }
.tab small { font-size: var(--t-xs); color: var(--ink-3); }
.tab:hover { border-color: var(--rule-2); }
.tab[aria-selected="true"] { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); background: var(--sheet); }
.tab .done-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--green); margin-left: 6px; vertical-align: middle; }

.seg { display: inline-flex; border: 1px solid var(--rule-2); border-radius: 8px; overflow: hidden; background: var(--sheet); }
.seg button { border: 0; background: transparent; padding: 7px 14px; cursor: pointer; font-weight: 600; font-size: var(--t-sm); color: var(--ink-2); }
.seg button + button { border-left: 1px solid var(--rule-2); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--sheet); }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 2px 10px; border-radius: 999px;
  font-size: var(--t-xs); font-weight: 600;
  background: var(--sheet-2); color: var(--ink-2); border: 1px solid var(--rule);
}
.chip.good { background: var(--green-wash); color: var(--green); border-color: transparent; }
.chip.warn { background: var(--amber-wash); color: var(--amber); border-color: transparent; }
.chip.bad { background: var(--red-wash); color: var(--red); border-color: transparent; }
.chip .ic { width: 13px; height: 13px; stroke-width: 2.4; }

.meter { position: relative; height: 6px; border-radius: 99px; background: var(--rule); overflow: hidden; }
.meter > span { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--pen); border-radius: 99px; transition: width 0.3s; }

details > summary { cursor: pointer; }
details.fold { border: 1px solid var(--rule); border-radius: var(--radius); background: var(--sheet); }
details.fold > summary { padding: 14px 18px; font-weight: 700; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
details.fold > summary::-webkit-details-marker { display: none; }
details.fold > summary::after { content: "+"; font: 600 1.25rem/1 var(--f-mono); color: var(--ink-3); }
details.fold[open] > summary::after { content: "−"; }
details.fold > .fold-body { padding: 0 18px 18px; }

/* ---------- toast ---------- */
.toast {
  position: fixed; z-index: 50; left: 50%; transform: translateX(-50%);
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  max-width: calc(100% - 32px);
  padding: 10px 16px; border-radius: 8px;
  background: var(--ink); color: var(--sheet); font-size: var(--t-sm); font-weight: 500;
  box-shadow: var(--shadow);
}

/* ---------- dashboard ---------- */
.hero {
  display: grid; gap: 20px; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: stretch; margin-bottom: 28px;
}
.hero-copy { display: grid; gap: 12px; align-content: start; }
.hero-copy h1 { font: 800 clamp(2rem, 4.2vw, 3.25rem)/1.02 var(--f-display); letter-spacing: -0.03em; }
.hero-copy h1 em { font-style: normal; color: var(--pen); }
.goal-card { display: grid; gap: 14px; align-content: start; }
.goal-fields { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
.countdown { display: flex; align-items: baseline; gap: 8px; }
.countdown b { font: 800 var(--t-3xl)/1 var(--f-display); letter-spacing: -0.02em; }
@media (max-width: 880px) { .hero { grid-template-columns: minmax(0, 1fr); } }

/* Test Report Form strip */
.trf { border: 1.5px solid var(--ink); border-radius: var(--radius); background: var(--sheet); overflow: hidden; }
.trf-head { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 10px 16px; border-bottom: 1.5px solid var(--ink); font-size: var(--t-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; }
.trf-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)) minmax(0, 1.25fr); }
.trf-cell { padding: 14px 16px; display: grid; gap: 4px; border-right: 1px solid var(--rule); min-width: 0; }
.trf-cell:last-child { border-right: 0; background: var(--sheet-2); }
.trf-label { font-size: var(--t-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); display: flex; align-items: center; gap: 6px; }
.trf-label i { width: 8px; height: 8px; border-radius: 2px; background: var(--sk); display: inline-block; }
.trf-band { font: 700 2.25rem/1.05 var(--f-mono); letter-spacing: -0.03em; }
.trf-cell:last-child .trf-band { font-size: 2.75rem; }
.trf-sub { font-size: var(--t-xs); color: var(--ink-3); }
@media (max-width: 720px) {
  .trf-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trf-cell { border-bottom: 1px solid var(--rule); }
  .trf-cell:nth-child(2n) { border-right: 0; }
  .trf-cell:last-child { grid-column: 1 / -1; border-bottom: 0; }
}

.plan-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.plan-item {
  --sk: var(--ink-3);
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 14px;
  padding: 12px 14px; border: 1px solid var(--rule); border-radius: 8px; background: var(--sheet);
  text-decoration: none; color: var(--ink);
}
.plan-item:hover { border-color: var(--rule-2); background: var(--sheet-2); }
.plan-item .nav-key { border-color: var(--sk); color: var(--sk); }
.plan-item.done .nav-key { background: var(--sk); color: var(--sheet); }
.plan-item b { display: block; font-weight: 600; }
.plan-item small { display: block; color: var(--ink-3); font-size: var(--t-sm); }

.heat { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; max-width: 280px; }
.heat span { aspect-ratio: 1; border-radius: 4px; background: var(--heat-0); max-width: 100%; }
.heat span[data-l="1"] { background: var(--heat-1); }
.heat span[data-l="2"] { background: var(--heat-2); }
.heat span[data-l="3"] { background: var(--heat-3); }
.heat span.today { outline: 2px solid var(--ink); outline-offset: 1px; }
.heat-legend { display: flex; align-items: center; gap: 4px; font-size: var(--t-xs); color: var(--ink-3); }
.heat-legend span { width: 12px; height: 12px; border-radius: 3px; }

.tip-card { border-left: 0; background: var(--sheet); }
.tip-card blockquote { margin: 0; font: 400 var(--t-lg)/1.6 var(--f-paper); }
.tip-card cite { display: block; margin-top: 10px; font-style: normal; font-size: var(--t-sm); color: var(--ink-3); }

.table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--sheet); }
table.data { width: 100%; border-collapse: collapse; font-size: var(--t-sm); }
table.data th, table.data td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.data th { font-size: var(--t-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); font-weight: 600; background: var(--sheet-2); }
table.data tr:last-child td { border-bottom: 0; }
table.data td.num, table.data th.num { text-align: right; font-family: var(--f-mono); font-variant-numeric: tabular-nums; }

/* ---------- player (listening) ---------- */
.player { display: grid; gap: 14px; margin-bottom: 16px; }
.player-main { display: flex; align-items: center; gap: 12px; }
.player-track { flex: 1; min-width: 0; display: grid; gap: 8px; }
.player-line { font-weight: 600; font-size: var(--t-sm); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.player-opts { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; }
.part-intro { margin: 0 0 16px; padding: 14px 16px; border-left: 3px solid var(--sk-l); background: var(--sheet); border-radius: 0 8px 8px 0; color: var(--ink-2); }
.part-intro b { color: var(--ink); }

/* ---------- question sheet ---------- */
.sheet { display: grid; gap: 16px; }
.qgroup { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); padding: 20px; display: grid; gap: 14px; min-width: 0; }
.qrange { font: 700 var(--t-sm)/1.2 var(--f-mono); text-transform: uppercase; letter-spacing: 0.04em; }
.qinst { color: var(--ink-2); font-size: var(--t-sm); }
.qinst b, .qinst strong { color: var(--ink); }
.qtitle { font: 700 var(--t-lg)/1.3 var(--f-body); text-align: center; padding: 8px 0 4px; }

.qnum {
  display: inline-grid; place-items: center; flex: none;
  min-width: 26px; height: 26px; padding: 0 5px; border-radius: 5px;
  border: 1.5px solid var(--ink); background: var(--sheet);
  font: 700 var(--t-xs)/1 var(--f-mono); color: var(--ink);
}

.gap-lines { display: grid; gap: 10px; font-size: var(--t-md); }
.gl { line-height: 2.1; }
.gl-head { font-weight: 700; margin-top: 6px; line-height: 1.4; }
.gl-bullet { padding-left: 18px; position: relative; }
.gl-bullet::before { content: "–"; position: absolute; left: 2px; color: var(--ink-3); }
.gap-wrap { display: inline-flex; align-items: center; gap: 6px; vertical-align: middle; margin: 0 2px; }
input.gap {
  width: 150px; min-height: 32px; padding: 3px 8px;
  border: 0; border-bottom: 1.5px solid var(--ink-3); border-radius: 4px 4px 0 0;
  background: var(--sheet-2); font-family: var(--f-mono); font-size: var(--t-sm);
}
input.gap:focus { outline: none; border-bottom-color: var(--pen); background: var(--pen-wash); }
select.gap-select { min-height: 32px; padding: 3px 26px 3px 8px; font-family: var(--f-mono); font-size: var(--t-sm); }

fieldset.mcq { border: 0; margin: 0; padding: 0; display: grid; gap: 8px; min-width: 0; }
fieldset.mcq legend { display: flex; gap: 10px; align-items: flex-start; padding: 0; margin-bottom: 8px; font-weight: 600; }
fieldset.mcq legend .qnum { margin-top: -1px; }
.opt { display: flex; align-items: flex-start; gap: 10px; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--rule); cursor: pointer; margin-left: 36px; }
.opt:hover { background: var(--sheet-2); }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt-letter { display: inline-grid; place-items: center; flex: none; width: 24px; height: 24px; border-radius: 50%; border: 1.5px solid var(--rule-2); font: 700 var(--t-xs)/1 var(--f-mono); }
.opt:has(input:checked) { border-color: var(--pen); background: var(--pen-wash); }
.opt:has(input:checked) .opt-letter { background: var(--pen); border-color: var(--pen); color: var(--on-pen); }
.opt:has(input:focus-visible) { outline: 2px solid var(--pen); outline-offset: 2px; }
.opt.is-key { border-color: var(--green); box-shadow: inset 0 0 0 1px var(--green); }

.optbox { border: 1px solid var(--rule-2); border-radius: 8px; padding: 12px 16px; background: var(--sheet-2); }
.optbox-title { font-weight: 700; margin-bottom: 6px; }
.optbox dl { margin: 0; display: grid; gap: 4px 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }
.optbox dl div { display: flex; gap: 10px; }
.optbox dt { font: 700 var(--t-sm)/1.6 var(--f-mono); min-width: 2.2em; }
.optbox dd { margin: 0; font-size: var(--t-sm); }

.match-list { display: grid; gap: 8px; }
.match-row { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 6px 0; border-bottom: 1px dashed var(--rule); }
.match-row:last-child { border-bottom: 0; }
.match-row select { min-height: 34px; padding: 4px 28px 4px 10px; font-family: var(--f-mono); }

.judge { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 8px 12px; padding: 10px 0; border-bottom: 1px dashed var(--rule); }
.judge:last-child { border-bottom: 0; }
.judge .pills { grid-column: 2; }
.pills { display: flex; flex-wrap: wrap; gap: 6px; }
.pill { position: relative; cursor: pointer; }
.pill input { position: absolute; opacity: 0; pointer-events: none; }
.pill span { display: inline-block; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--rule-2); font: 600 var(--t-xs)/1.6 var(--f-mono); letter-spacing: 0.02em; }
.pill:hover span { background: var(--sheet-2); }
.pill input:checked + span { background: var(--pen); border-color: var(--pen); color: var(--on-pen); }
.pill input:focus-visible + span { outline: 2px solid var(--pen); outline-offset: 2px; }
.pill.is-key span { border-color: var(--green); box-shadow: inset 0 0 0 1px var(--green); }

/* marking */
.key { display: inline-flex; align-items: center; gap: 4px; font: 600 var(--t-xs)/1.4 var(--f-mono); padding: 2px 8px; border-radius: 4px; margin-left: 4px; vertical-align: middle; }
.key .ic { width: 13px; height: 13px; stroke-width: 2.6; }
.is-right .key { color: var(--green); background: var(--green-wash); }
.is-wrong .key { color: var(--red); background: var(--red-wash); }
.is-right > .qnum, .is-right legend .qnum { border-color: var(--green); background: var(--green); color: var(--sheet); }
.is-wrong > .qnum, .is-wrong legend .qnum { border-color: var(--red); background: var(--red); color: var(--sheet); }
.is-right input.gap { border-bottom-color: var(--green); background: var(--green-wash); }
.is-wrong input.gap { border-bottom-color: var(--red); background: var(--red-wash); text-decoration: line-through; text-decoration-color: var(--red); }
.qfb { grid-column: 1 / -1; margin-top: 6px; padding: 10px 12px; border-radius: 8px; background: var(--sheet-2); font-size: var(--t-sm); color: var(--ink-2); }
.qfb b { color: var(--ink); }
fieldset.mcq .qfb { margin-left: 36px; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }

/* result */
.result { display: grid; gap: 18px; grid-template-columns: auto minmax(0, 1fr); align-items: start; }
.result-band { display: grid; gap: 2px; justify-items: center; padding: 16px 22px; border: 1.5px solid var(--ink); border-radius: var(--radius); background: var(--sheet); min-width: 132px; }
.result-band small { font-size: var(--t-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); font-weight: 600; }
.result-band b { font: 700 3.25rem/1 var(--f-mono); letter-spacing: -0.04em; }
.result-body { display: grid; gap: 10px; min-width: 0; }
.answer-sheet { display: grid; grid-template-columns: repeat(auto-fill, minmax(46px, 1fr)); gap: 4px; }
.answer-sheet span { display: flex; align-items: center; justify-content: space-between; gap: 2px; padding: 4px 6px; border-radius: 4px; font: 600 var(--t-xs)/1.2 var(--f-mono); border: 1px solid var(--rule); }
.answer-sheet .ic { width: 12px; height: 12px; stroke-width: 2.6; }
.answer-sheet span.ok { background: var(--green-wash); color: var(--green); border-color: transparent; }
.answer-sheet span.no { background: var(--red-wash); color: var(--red); border-color: transparent; }
@media (max-width: 560px) { .result { grid-template-columns: minmax(0, 1fr); } .result-band { justify-self: start; } }

/* transcript */
.transcript > summary { font-weight: 700; }
.tbody { display: grid; gap: 8px; margin-top: 14px; font: 400 var(--t-md)/1.75 var(--f-paper); }
.tline { padding: 4px 8px; border-radius: 6px; }
.tline b { font-family: var(--f-body); font-size: var(--t-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); margin-right: 6px; }
.tline.speaking { background: var(--pen-wash); }
mark.ev { background: var(--hl); color: var(--hl-ink); padding: 0 2px; border-radius: 2px; }
mark.ev sup { font: 700 0.65rem/1 var(--f-mono); margin-left: 2px; }

/* ---------- reading ---------- */
.reading-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.timer { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border: 1.5px solid var(--ink); border-radius: 8px; background: var(--sheet); font: 700 var(--t-lg)/1 var(--f-mono); font-variant-numeric: tabular-nums; }
.timer.low { border-color: var(--red); color: var(--red); }
.reading-split { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.passage-col { align-self: stretch; min-width: 0; }
.passage {
  position: sticky; top: 16px;
  max-height: calc(100vh - 32px); overflow-y: auto;
  background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 28px clamp(18px, 3vw, 36px);
  font: 400 1.0625rem/1.75 var(--f-paper);
}
.passage h2 { font: 700 1.625rem/1.2 var(--f-paper); margin-bottom: 6px; }
.passage .p-sub { font-family: var(--f-body); font-size: var(--t-sm); color: var(--ink-3); margin-bottom: 18px; }
.passage p { margin-bottom: 1em; max-width: 68ch; }
.passage p .para-label { font: 700 var(--t-sm)/1 var(--f-mono); margin-right: 8px; }
.passage mark.hl { background: var(--hl); color: var(--hl-ink); cursor: pointer; border-radius: 2px; }
.passage.hl-on { cursor: text; }
.passage.hl-on ::selection { background: var(--hl); color: var(--hl-ink); }
@media (max-width: 980px) {
  .reading-split { grid-template-columns: minmax(0, 1fr); }
  .passage { position: static; max-height: none; }
}

/* ---------- writing ---------- */
.prompt-list { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); margin-bottom: 20px; }
.prompt-pick { display: grid; gap: 4px; text-align: left; padding: 12px 14px; border-radius: 8px; border: 1px solid var(--rule); background: var(--sheet); cursor: pointer; color: var(--ink); }
.prompt-pick:hover { border-color: var(--rule-2); }
.prompt-pick[aria-pressed="true"] { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.prompt-pick small { font-size: var(--t-xs); color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.prompt-pick span { font-size: var(--t-sm); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.w-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 1080px) { .w-grid { grid-template-columns: minmax(0, 1fr); } }
.prompt-card { display: grid; gap: 14px; }
.prompt-text { font: 400 1.0625rem/1.7 var(--f-paper); }
.prompt-text strong { font-weight: 600; }
.editor { display: grid; gap: 10px; }
.editor-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.editor textarea { min-height: 420px; font: 400 1.0625rem/1.8 var(--f-paper); padding: 18px 20px; background: var(--sheet); }
.wc { display: flex; align-items: center; gap: 10px; font: 600 var(--t-sm)/1 var(--f-mono); min-width: 180px; }
.wc .meter { width: 120px; }
.wc.ok .meter > span { background: var(--green); }

.side-panel { position: sticky; top: 16px; display: grid; gap: 12px; }
@media (max-width: 1080px) { .side-panel { position: static; } }
.panel-body { display: grid; gap: 14px; font-size: var(--t-sm); }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.check-list li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; align-items: start; }
.check-list .st { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; }
.check-list .st .ic { width: 14px; height: 14px; stroke-width: 2.6; }
.check-list .st.good { background: var(--green-wash); color: var(--green); }
.check-list .st.warn { background: var(--amber-wash); color: var(--amber); }
.check-list .st.bad { background: var(--red-wash); color: var(--red); }
.check-list b { display: block; color: var(--ink); }
.check-list span.d { color: var(--ink-2); }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 8px; }
.stat { padding: 10px 12px; border-radius: 8px; background: var(--sheet-2); display: grid; gap: 2px; }
.stat small { font-size: var(--t-xs); color: var(--ink-3); }
.stat b { font: 700 var(--t-xl)/1.1 var(--f-mono); }

.model { font: 400 1rem/1.75 var(--f-paper); display: grid; gap: 0.9em; }
.model p { max-width: 70ch; }
.criteria { display: grid; gap: 12px; }
.crit { display: grid; gap: 6px; padding: 12px; border: 1px solid var(--rule); border-radius: 8px; }
.crit-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-weight: 700; }
.crit-head select { min-height: 32px; padding: 2px 26px 2px 8px; font-family: var(--f-mono); }
.crit p { color: var(--ink-2); font-size: var(--t-sm); }
.ai-out { display: grid; gap: 12px; }
.ai-scores { display: grid; grid-template-columns: repeat(auto-fit, minmax(72px, 1fr)); gap: 8px; }
.ai-scores div { padding: 10px; border-radius: 8px; background: var(--sheet-2); text-align: center; }
.ai-scores small { display: block; font-size: var(--t-xs); color: var(--ink-3); font-weight: 600; }
.ai-scores b { font: 700 var(--t-xl)/1.2 var(--f-mono); }
.fix { padding: 10px 12px; border-radius: 8px; border: 1px solid var(--rule); display: grid; gap: 4px; }
.fix del { color: var(--red); text-decoration-thickness: 1.5px; }
.fix ins { color: var(--green); text-decoration: none; font-weight: 600; }
ul.plain { margin: 0; padding-left: 18px; display: grid; gap: 6px; }

/* chart */
.chart { position: relative; display: grid; gap: 10px; }
.chart-title { font-weight: 700; font-size: var(--t-sm); }
.chart-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: var(--t-sm); color: var(--ink-2); }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend i { width: 14px; height: 4px; border-radius: 2px; background: currentColor; display: inline-block; }
.chart-legend i.sq { width: 10px; height: 10px; border-radius: 2px; }
.chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart svg text { fill: var(--ink-3); font: 500 11px var(--f-body); }
.chart svg text.lbl { fill: var(--ink-2); font-weight: 600; font-size: 12px; }
.chart svg .grid { stroke: var(--grid); stroke-width: 1; }
.chart svg .axis { stroke: var(--axis); stroke-width: 1; }
.chart svg .cross { stroke: var(--ink-3); stroke-width: 1; }
.chart svg .leader { stroke: var(--ink-3); stroke-width: 1; }
.chart-tip {
  position: absolute; z-index: 5; pointer-events: none;
  padding: 8px 10px; border-radius: 8px; background: var(--sheet); border: 1px solid var(--rule-2);
  box-shadow: var(--shadow); font-size: var(--t-xs); min-width: 140px;
}
.chart-tip b { display: block; margin-bottom: 4px; font-size: var(--t-sm); }
.chart-tip div { display: flex; align-items: center; gap: 6px; justify-content: space-between; }
.chart-tip div span { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); }
.chart-tip i { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }
.chart-tip em { font-style: normal; font-family: var(--f-mono); font-weight: 700; }

/* ---------- speaking ---------- */
.stage { display: grid; gap: 18px; }
.stage-q { font: 600 clamp(1.25rem, 2.4vw, 1.625rem)/1.35 var(--f-paper); }
.cue { border: 1.5px solid var(--ink); border-radius: var(--radius); padding: 18px 20px; background: var(--sheet); display: grid; gap: 10px; }
.cue h3 { font: 600 1.25rem/1.35 var(--f-paper); }
.cue ul { margin: 0; padding-left: 20px; font: 400 var(--t-lg)/1.6 var(--f-paper); }
.cue .cue-and { font-family: var(--f-paper); font-size: var(--t-lg); }
.big-timer { font: 700 clamp(2.5rem, 6vw, 3.5rem)/1 var(--f-mono); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.big-timer.low { color: var(--red); }
.phase { font-size: var(--t-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); }
.rec-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--red); animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.25; } }
.steps { display: flex; flex-wrap: wrap; gap: 4px; }
.steps span { width: 26px; height: 6px; border-radius: 3px; background: var(--rule); }
.steps span.done { background: var(--sk-s); }
.steps span.now { background: var(--ink); }
.topic-list { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 160px), 1fr)); }
.answer-log { display: grid; gap: 10px; }
.answer-log article { padding: 12px 14px; border: 1px solid var(--rule); border-radius: 8px; display: grid; gap: 6px; }
.answer-log q { font-weight: 600; quotes: none; }
.answer-log p { font-family: var(--f-paper); color: var(--ink-2); }
audio { width: 100%; max-width: 420px; height: 36px; }

/* ---------- vocabulary ---------- */
.topic-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); }
.topic { display: grid; gap: 10px; padding: 16px; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--sheet); }
.topic h3 { font: 700 var(--t-lg)/1.2 var(--f-display); }
.topic .row { gap: 6px; }
.flash-wrap { display: grid; gap: 16px; justify-items: center; }
.flash { width: min(100%, 560px); perspective: 1400px; cursor: pointer; }
.flash-inner { position: relative; display: grid; transition: transform 0.45s cubic-bezier(.2,.7,.2,1); transform-style: preserve-3d; }
.flash.flipped .flash-inner { transform: rotateY(180deg); }
.flash-face {
  grid-area: 1 / 1; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  min-height: 280px; padding: 28px; border-radius: 14px;
  border: 1.5px solid var(--ink); background: var(--sheet);
  display: grid; align-content: center; justify-items: center; gap: 10px; text-align: center;
}
.flash-back { transform: rotateY(180deg); justify-items: start; text-align: left; align-content: start; }
.flash-word { font: 800 clamp(1.75rem, 5vw, 2.5rem)/1.1 var(--f-display); letter-spacing: -0.02em; }
.flash-ipa { font: 500 var(--t-lg)/1.3 var(--f-mono); color: var(--ink-2); }
.flash-mean { font: 700 var(--t-xl)/1.3 var(--f-body); }
.flash-ex { font: italic 400 var(--t-lg)/1.6 var(--f-paper); color: var(--ink-2); }
.flash-ex b { font-style: normal; color: var(--ink); }
.box-dots { display: inline-flex; gap: 3px; }
.box-dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--rule); }
.box-dots i.on { background: var(--green); }
.quiz-q { font: 400 var(--t-lg)/1.6 var(--f-paper); }
.quiz-opts { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.quiz-opts button { justify-content: flex-start; text-align: left; }
.quiz-opts button.right { border-color: var(--green); background: var(--green-wash); color: var(--green); }
.quiz-opts button.wrong { border-color: var(--red); background: var(--red-wash); color: var(--red); }

/* ---------- tools ---------- */
.calc { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); }
.calc-out { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.calc-out b { font: 700 3rem/1 var(--f-mono); letter-spacing: -0.04em; }
.band-table { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 4px; }
.band-table div { padding: 6px 8px; border-radius: 6px; background: var(--sheet-2); display: flex; justify-content: space-between; font: 500 var(--t-xs)/1.4 var(--f-mono); }
.band-table div.hit { background: var(--ink); color: var(--sheet); }
.phase-list { display: grid; gap: 12px; }
.phase-item { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 14px; padding: 14px 16px; border: 1px solid var(--rule); border-radius: 8px; background: var(--sheet); }
.phase-item .wk { font: 700 var(--t-xs)/1.3 var(--f-mono); text-transform: uppercase; color: var(--ink-3); white-space: nowrap; }
.phase-item h4 { font-size: var(--t-md); margin-bottom: 4px; }
.phase-item ul { margin: 6px 0 0; padding-left: 18px; color: var(--ink-2); font-size: var(--t-sm); display: grid; gap: 3px; }
.week-grid { display: grid; grid-template-columns: repeat(7, minmax(110px, 1fr)); gap: 6px; min-width: 780px; }
.week-grid div { padding: 10px; border-radius: 8px; background: var(--sheet-2); font-size: var(--t-xs); display: grid; gap: 4px; align-content: start; }
.week-grid b { font-size: var(--t-sm); }
.week-grid span { --sk: var(--ink-3); display: flex; align-items: center; gap: 6px; color: var(--ink-2); }
.week-grid span i { width: 8px; height: 8px; border-radius: 2px; background: var(--sk); flex: none; }

/* tips */
.tips { margin-top: 36px; }
.tip-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.tip { padding: 16px; border-radius: var(--radius); background: var(--sheet); border: 1px solid var(--rule); display: grid; gap: 6px; align-content: start; }
.tip b { font-size: var(--t-md); }
.tip p { color: var(--ink-2); font-size: var(--t-sm); }
.tip code, .panel-body code { font-family: var(--f-mono); font-size: 0.92em; background: var(--sheet-2); padding: 1px 5px; border-radius: 4px; }

.phrase-list { display: grid; gap: 10px; }
.phrase-list h4 { font-size: var(--t-sm); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); }
.phrase-list p { font-family: var(--f-paper); font-size: var(--t-md); }

/* ---------- sub navigation inside a skill ---------- */
.subnav { display: flex; flex-wrap: wrap; gap: 4px; padding: 4px; margin-bottom: 20px; border: 1px solid var(--rule); border-radius: 10px; background: var(--sheet); width: fit-content; max-width: 100%; }
.subnav a { padding: 7px 14px; border-radius: 7px; text-decoration: none; color: var(--ink-2); font-weight: 600; font-size: var(--t-sm); }
.subnav a:hover { background: var(--sheet-2); color: var(--ink); }
.subnav a[aria-current="page"] { background: var(--ink); color: var(--sheet); }

button.chip { cursor: pointer; font-family: inherit; }
button.link { border: 0; background: none; padding: 0; color: var(--pen); font: inherit; font-weight: 600; text-decoration: underline; cursor: pointer; }
.ai-scores .score-total { background: var(--ink); color: var(--sheet); }
.ai-scores .score-total small { color: inherit; }

/* writing model slips */
mark.slip { background: var(--hl); color: var(--hl-ink); border-radius: 2px; padding: 0 2px; cursor: help; }
mark.slip sup { font: 700 0.65rem/1 var(--f-mono); margin-left: 2px; }

/* ---------- reading review ---------- */
.passage mark.evi { background: var(--pen-wash); color: inherit; box-shadow: inset 0 -2px 0 var(--pen); border-radius: 2px; transition: background-color 0.3s; }
.passage mark.evi.flash { background: var(--hl); color: var(--hl-ink); }
.review { margin-top: 28px; }
.rv-group { gap: 12px; }
.rv-type { padding: 12px 16px; border-left: 3px solid var(--sk-r); background: var(--sheet); border-radius: 0 8px 8px 0; }
.rv-type p { color: var(--ink-2); font-size: var(--t-sm); margin-top: 4px; }
.rv-card { display: grid; gap: 10px; padding: 16px 18px; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--sheet); min-width: 0; }
.rv-card.bad { border-color: var(--red); box-shadow: inset 3px 0 0 var(--red); }
.rv-card.ok { box-shadow: inset 3px 0 0 var(--green); }
.rv-q { font-weight: 600; }
.rv-ans { display: flex; flex-wrap: wrap; gap: 6px 24px; font-size: var(--t-sm); }
.rv-quote { margin: 0; padding: 12px 16px; border-radius: 8px; background: var(--sheet-2); display: grid; gap: 6px; }
.rv-quote p { font: 400 var(--t-md)/1.65 var(--f-paper); }
.rv-quote .rv-vi { font-family: var(--f-body); font-size: var(--t-sm); color: var(--ink-2); }
.rv-keys td { font-size: var(--t-sm); }
.rv-trap { display: flex; gap: 8px; align-items: flex-start; padding: 10px 12px; border-radius: 8px; background: var(--amber-wash); font-size: var(--t-sm); }
.rv-trap .ic { color: var(--amber); margin-top: 2px; }

/* ---------- dictation & shadowing comparison ---------- */
.dict-result { display: grid; gap: 8px; padding: 14px 16px; border-radius: 10px; border: 1px solid var(--rule); background: var(--sheet-2); }
.dict-result.ok { border-color: var(--green); }
.dict-result.bad { border-color: var(--red); }
.dict-diff { font: 400 var(--t-lg)/2 var(--f-paper); }
.dict-say { font-family: var(--f-paper); }
.w { padding: 1px 3px; border-radius: 3px; }
.w.ok { color: var(--green); }
.w.bad { color: var(--red); background: var(--red-wash); font-weight: 600; }
.w.bad s { color: var(--ink-3); font-weight: 400; }
.w.miss { color: var(--red); text-decoration: underline wavy var(--red); text-underline-offset: 4px; }
.w.extra { color: var(--ink-3); }
.dict-legend .w { font-size: var(--t-xs); }

.shadow-text { font: 500 clamp(1.25rem, 2.6vw, 1.625rem)/1.6 var(--f-paper); }
.shadow-text .chunk { border-radius: 4px; transition: background-color 0.2s; }
.shadow-text .chunk.now { background: var(--hl); color: var(--hl-ink); }
.shadow-text .sep { color: var(--sk-s); font-weight: 700; }
.lk { position: relative; }
.lk::after { content: ""; position: absolute; left: 50%; bottom: -0.1em; width: 0.62em; height: 0.3em; transform: translateX(-50%); border: 2px solid var(--sk-s); border-top: 0; border-radius: 0 0 0.6em 0.6em; pointer-events: none; }
.shadow-mini { font-family: var(--f-paper); font-style: italic; }
.shadow-actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- spaced repetition ---------- */
.fc { display: grid; grid-template-columns: repeat(14, minmax(0, 1fr)); gap: 4px; height: 120px; padding-top: 6px; border-bottom: 1px solid var(--axis); }
.fc-col { display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 4px; height: 100%; min-width: 0; cursor: default; }
.fc-bar { width: 100%; max-width: 18px; background: var(--series-1); border-radius: 4px 4px 0 0; }
.fc-bar.now { background: var(--pen); }
.fc-col small { font: 500 var(--t-xs)/1 var(--f-mono); color: var(--ink-3); padding-bottom: 4px; }
.srs-card { width: min(100%, 600px); min-height: 240px; }
.srs-back { display: grid; gap: 8px; justify-items: center; width: 100%; }
.grade-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; width: min(100%, 600px); }
.grade-row .btn { flex-direction: column; gap: 2px; min-height: 64px; padding: 6px; }
.grade-row .btn small { font: 500 var(--t-xs)/1.2 var(--f-mono); opacity: 0.85; }

/* ---------- speaking scaffolding ---------- */
.lvl-badge { font: 600 var(--t-xs)/1 var(--f-mono); padding: 2px 6px; border-radius: 4px; background: var(--green-wash); color: var(--green); margin-left: 4px; }
.scaf-box { padding: 12px 14px; border-radius: 8px; background: var(--sheet-2); display: grid; gap: 4px; font-size: var(--t-sm); }
.slots { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.slot { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; align-items: start; }
.slot-key { display: inline-grid; place-items: center; min-width: 34px; height: 28px; padding: 0 6px; border-radius: 6px; background: var(--sk-s); color: var(--sheet); font: 700 var(--t-xs)/1 var(--f-mono); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chips .chip { font-size: var(--t-sm); font-weight: 500; padding: 4px 10px; text-align: left; }
.chips .chip-starter { background: var(--pen-wash); border-color: transparent; color: var(--ink); font-family: var(--f-paper); }
.gap-word { border: 0; border-bottom: 2px solid var(--pen); background: var(--pen-wash); color: var(--pen); font: inherit; padding: 0 4px; cursor: pointer; border-radius: 3px 3px 0 0; }
.gap-word.open { color: var(--hl-ink); background: var(--hl); border-color: transparent; }
.seg-wrap { display: flex; flex-wrap: wrap; }
.seg-wrap button { flex: 1 1 auto; }

/* ---------- extensive reading ---------- */
a.tip { text-decoration: none; color: inherit; }
a.tip:hover { border-color: var(--rule-2); }
.er-reader { position: relative; }
.er-title { font: 700 clamp(1.5rem, 3vw, 2rem)/1.2 var(--f-paper); }
.er-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.er-text { font-family: var(--f-paper); line-height: 1.85; max-width: 70ch; display: grid; gap: 1em; }
.er-text[data-size="1"] { font-size: 1rem; }
.er-text[data-size="2"] { font-size: 1.125rem; }
.er-text[data-size="3"] { font-size: 1.25rem; }
.er-text[data-size="4"] { font-size: 1.4rem; }
.er-text p.reading-now { background: var(--pen-wash); border-radius: 6px; box-shadow: 0 0 0 6px var(--pen-wash); }
.gl-term { border: 0; background: none; padding: 0; font: inherit; color: inherit; text-decoration: underline dotted var(--sk-r); text-decoration-thickness: 2px; text-underline-offset: 4px; cursor: pointer; }
.no-gloss .gl-term { text-decoration: none; cursor: text; }
.er-pop { position: absolute; z-index: 10; width: min(320px, calc(100% - 16px)); display: grid; gap: 8px; box-shadow: var(--shadow); padding: 14px; }
.er-pop-word { font: 700 var(--t-lg)/1.2 var(--f-paper); }

/* ---------- writing: topic vocabulary from study notes ---------- */
.vocab-dl { margin: 0; display: grid; gap: 6px 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); }
.vocab-dl div { display: grid; gap: 1px; }
.vocab-dl dt { font: 600 var(--t-sm)/1.4 var(--f-paper); color: var(--ink); }
.vocab-dl dd { margin: 0; font-size: var(--t-xs); color: var(--ink-3); }

/* ---------- reading keywords and strategy ---------- */
.tip h3 { font: 700 var(--t-md)/1.3 var(--f-display); }
.kw-list li, .kw-steps li { font-size: var(--t-sm); }
.kw-steps { margin: 0; padding-left: 1.4em; display: grid; gap: 6px; }
.kw-table { font-size: var(--t-sm); margin-top: 6px; }
.kw-table th, .kw-table td { padding: 6px 10px; }
.kw-table td:first-child { font-weight: 600; color: var(--ink); }
.kw-match { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px 14px; }
.kw-col { display: grid; gap: 8px; align-content: start; }
.kw-col .btn { justify-content: flex-start; text-align: left; white-space: normal; min-height: 44px; overflow-wrap: anywhere; }
.kw-col .btn[aria-pressed="true"] { border-color: var(--pen); background: var(--pen-wash); box-shadow: inset 0 0 0 1px var(--pen); }
.kw-col .btn.right { border-color: var(--green); background: var(--green-wash); color: var(--green); opacity: 1; }
.kw-col .btn.wrong { border-color: var(--red); background: var(--red-wash); color: var(--red); }

/* ---------- grammar B2 ---------- */
.gr-secs { display: grid; gap: 14px; }
.gr-sec { padding-left: 14px; border-left: 3px solid var(--rule-2); }
.gr-sec h3 { font: 700 var(--t-md)/1.3 var(--f-display); margin-bottom: 4px; }
.gr-sec i, .gr-box i { font-family: var(--f-paper); color: var(--ink); }
.gr-box { padding: 12px 16px; border-radius: 10px; display: grid; gap: 6px; }
.gr-box ul { margin: 0; padding-left: 1.2em; display: grid; gap: 4px; }
.gr-watch { background: var(--red-wash); }
.gr-watch s { color: var(--red); }
.gr-ielts { background: var(--pen-wash); }
.gx-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.gx { display: grid; gap: 10px; padding: 14px 16px; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--sheet); }
.gx.is-ok { border-color: var(--green); }
.gx.is-bad { border-color: var(--red); }
.gx-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.gx-n { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--sheet-2); font: 700 var(--t-xs)/1 var(--f-mono); }
.gx.is-ok .gx-n { background: var(--green); color: var(--sheet); }
.gx.is-bad .gx-n { background: var(--red); color: var(--sheet); }
.gx-q { font: 1.075rem/1.75 var(--f-paper); margin: 0; overflow-wrap: anywhere; }
.gx-blank { display: inline-block; min-width: 4.5em; border-bottom: 2px solid var(--ink-3); color: var(--ink-3); text-align: center; line-height: 1.3; }
.gx-blank.filled { color: var(--green); border-color: var(--green); font-weight: 700; }
.gx-in { width: 12ch; max-width: 100%; padding: 2px 6px; font: inherit; border: 0; border-bottom: 2px solid var(--pen); border-radius: 4px 4px 0 0; background: var(--pen-wash); color: var(--ink); }
.gx-in.ok { border-color: var(--green); background: var(--green-wash); }
.gx-in.bad { border-color: var(--red); background: var(--red-wash); text-decoration: line-through; }
.gx-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.gx-opts .btn.right { border-color: var(--green); background: var(--green-wash); color: var(--green); }
.gx-opts .btn.wrong { border-color: var(--red); background: var(--red-wash); color: var(--red); }
.gx-opts .btn:disabled { opacity: 1; cursor: default; }
.gx-opts .btn:disabled:not(.right):not(.wrong) { opacity: 0.55; }
.gx-fb { padding: 10px 12px; border-radius: 8px; background: var(--sheet-2); font-size: var(--t-sm); color: var(--ink-2); }
.gx-fb b.ok { color: var(--green); }
.gx-fb b.bad { color: var(--red); }
.gx-after { margin-top: 6px; }
.gx-word { font-weight: 700; color: var(--ink); }
.gx-score { margin-top: 14px; }
.gx-total { font: 700 var(--t-xl)/1 var(--f-display); }
.chips .chip[aria-pressed="true"] { background: var(--ink); color: var(--sheet); border-color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- Destination vocabulary for speaking ---------- */
.d-steps span.done { background: var(--green); }
.d-steps span { width: 20px; }
.d-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.d-row { display: grid; gap: 6px; padding: 12px 14px; border: 1px solid var(--rule); border-radius: 8px; background: var(--sheet); min-width: 0; }
.d-row.now { border-color: var(--pen); box-shadow: inset 3px 0 0 var(--pen); }
.d-row-main { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px; align-items: start; }
.d-row .row { gap: 4px; }
.d-chunk { font: 700 var(--t-lg)/1.3 var(--f-display); }
.d-ex { font: 400 var(--t-md)/1.65 var(--f-paper); color: var(--ink-2); overflow-wrap: anywhere; }
mark.d-hit { background: var(--hl); color: var(--hl-ink); border-radius: 3px; padding: 0 2px; }
mark.d-also { background: var(--green-wash); color: var(--green); border-radius: 3px; padding: 0 2px; }
.flash-ex mark.d-hit, .d-ex mark.d-hit { font-style: normal; font-weight: 600; }
.d-blank { color: var(--pen); letter-spacing: 1px; font-style: normal; }
.d-card { width: min(100%, 640px); }
.d-word { font-size: clamp(1.4rem, 4vw, 1.9rem); }
.d-answer { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: center; width: 100%; }
.d-answer input { flex: 1 1 200px; }
.d-dots { display: flex; flex-wrap: wrap; gap: 4px; }
.d-dot { min-width: 32px; height: 30px; border-radius: 6px; border: 1px solid var(--rule-2); background: var(--sheet); font: 600 var(--t-xs)/1 var(--f-mono); color: var(--ink-2); cursor: pointer; }
.d-dot.on { background: var(--green-wash); color: var(--green); border-color: transparent; }
.d-dot.now { outline: 2px solid var(--ink); outline-offset: 1px; }
.d-transcript { font: 400 var(--t-md)/1.8 var(--f-paper); padding: 12px 14px; border-radius: 8px; background: var(--sheet-2); overflow-wrap: anywhere; }
.d-shadow { padding: 8px 10px; border-radius: 8px; background: var(--sheet-2); }
.d-shadow .dict-diff { font-size: var(--t-md); line-height: 1.8; }
.d-method p { font-size: var(--t-sm); color: var(--ink-2); }
.d-method p b { color: var(--ink); }
.gx-why { color: var(--ink-2); }

/* ---------- AI speaking coach ---------- */
.c-modes { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); }
.c-mode { display: grid; gap: 4px; align-content: start; text-align: left; padding: 14px 16px; border-radius: var(--radius); border: 1px solid var(--rule); background: var(--sheet); color: var(--ink); cursor: pointer; font: inherit; }
.c-mode:hover { border-color: var(--rule-2); }
.c-mode[aria-pressed="true"] { border-color: var(--sk-s); box-shadow: inset 0 0 0 1px var(--sk-s); }
.c-mode b { font: 700 var(--t-lg)/1.2 var(--f-display); }
.c-mode small { color: var(--ink-2); font-size: var(--t-sm); }
.c-mode-key { font: 700 var(--t-xs)/1 var(--f-mono); color: var(--sk-s); }
.c-preview { padding: 16px; border-radius: var(--radius); background: var(--sheet-2); }
.c-role { display: grid; gap: 8px; }
.c-role h3 { font: 700 var(--t-lg)/1.3 var(--f-display); }
.c-list { margin: 4px 0 0; padding-left: 18px; display: grid; gap: 3px; color: var(--ink-2); }
.c-rules { margin: 0; padding-left: 20px; display: grid; gap: 8px; }
.c-rules li span { display: block; color: var(--ink-2); }
.c-phrases { display: grid; gap: 4px; }
.c-ph { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 4px 6px; align-items: center; }
.c-ph span { display: grid; min-width: 0; overflow-wrap: anywhere; }
.c-ph small { color: var(--ink-3); font-size: var(--t-xs); }
.c-hist summary { line-height: 1.5; }

.c-top { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px 20px; align-items: center; margin-bottom: 16px; }
.c-top h2 { font: 700 var(--t-xl)/1.2 var(--f-display); }
.c-metrics { grid-column: 1 / -1; display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
.c-metric { display: grid; gap: 4px; align-content: start; padding: 8px 10px; border-radius: 8px; background: var(--sheet-2); }
.c-metric small { font-size: var(--t-xs); color: var(--ink-3); }
.c-metric b { font: 700 var(--t-md)/1.2 var(--f-mono); }
.meter.ok > span { background: var(--green); }

.c-chatcard { padding: 0; display: grid; }
.c-chat { display: grid; gap: 12px; align-content: start; min-height: 300px; padding: 20px; }
.c-chat > * { scroll-margin-top: 16px; scroll-margin-bottom: 220px; }
.c-msg { display: grid; gap: 6px; max-width: min(88%, 620px); min-width: 0; padding: 10px 14px; border-radius: 14px; overflow-wrap: anywhere; }
.c-msg > p { font: 400 var(--t-lg)/1.6 var(--f-paper); }
.c-msg.coach { justify-self: start; background: var(--sheet-2); border-top-left-radius: 4px; }
.c-msg.me { justify-self: end; background: var(--pen-wash); border-top-right-radius: 4px; }
.c-msg.how > p { font: 500 var(--t-md)/1.5 var(--f-body); }
.c-msg .cue { background: var(--sheet); }
.c-msg .chips { margin-top: 0; }
.c-msg .chips .chip { font-size: var(--t-xs); padding: 2px 8px; }
.c-who { font: 700 var(--t-xs)/1.2 var(--f-body); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.c-tools { display: flex; flex-wrap: wrap; gap: 2px; margin-left: -8px; }
.c-teach, .c-up { display: grid; gap: 4px; padding: 10px 12px; border-radius: 8px; border: 1px dashed var(--rule-2); background: var(--sheet); min-width: 0; }
.c-teach > small, .c-up > small { font-size: var(--t-xs); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.c-teach > b, .c-up > b { font-size: var(--t-lg); }
.c-say { font: italic 400 var(--t-md)/1.6 var(--f-paper); }
.c-fb { display: grid; gap: 10px; padding: 14px 16px; border: 1px solid var(--rule); border-left: 3px solid var(--amber); border-radius: var(--radius); background: var(--sheet); min-width: 0; }
.c-fb b .ic { width: 16px; height: 16px; vertical-align: -3px; color: var(--amber); }
.c-fb .fix { background: var(--sheet); }
.c-fb .d-shadow .dict-diff { line-height: 1.7; }
.c-sum { border-left-color: var(--green); gap: 14px; }
.c-sum h3 { font: 700 var(--t-lg)/1.3 var(--f-display); }
.c-track { display: grid; gap: 12px; }
.c-track > div { display: grid; gap: 2px; }
.c-track span { font-size: var(--t-xs); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.c-track b { font: 700 var(--t-md)/1.3 var(--f-mono); }
.c-track small { color: var(--ink-2); }

.c-composer { position: sticky; bottom: 0; z-index: 2; display: grid; gap: 10px; padding: 14px 20px 16px; border-top: 1px solid var(--rule); border-radius: 0 0 var(--radius) var(--radius); background: var(--sheet); box-shadow: 0 -8px 16px -12px rgb(20 32 43 / 18%); }
.c-composer textarea { line-height: 1.6; }
.c-wait { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.c-rec { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.c-rec .mono { font-size: var(--t-xl); font-weight: 700; font-variant-numeric: tabular-nums; }
.c-rec .mono.low { color: var(--red); }
.c-rec .meter { flex: 1 1 120px; }
.c-live { min-height: 3.2em; max-height: 9.6em; overflow: auto; padding: 10px 12px; border-radius: 8px; background: var(--sheet-2); font: 400 var(--t-lg)/1.6 var(--f-paper); overflow-wrap: anywhere; }

@media (max-width: 600px) {
  .c-top { grid-template-columns: minmax(0, 1fr); }
  .c-chat { padding: 14px; }
  .c-msg { max-width: 100%; }
  .c-composer { padding: 12px 14px 14px; }
}

/* ---------- Quizlet sets ---------- */
.q-entry { gap: 4px; }
.q-entry.is-known { box-shadow: inset 3px 0 0 var(--green); }
.q-head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 6px 12px; }
.q-head .row { gap: 4px; }
.q-hw { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; min-width: 0; }
.q-pos { font: italic 400 var(--t-md)/1.2 var(--f-paper); color: var(--ink-3); text-decoration: none; }
.q-vi { font-weight: 600; }
.q-ex mark.d-hit { font-style: normal; font-weight: 600; }
.q-note { justify-self: start; padding: 6px 10px; border-radius: 6px; background: var(--amber-wash); color: var(--ink); }
.btn.q-known { background: var(--green-wash); border-color: transparent; color: var(--green); }
.q-card .flash-face { min-height: 300px; }
.q-card .flash-back { gap: 8px; }
.q-quiz .quiz-opts .btn:disabled { opacity: 1; cursor: default; }
.q-quiz .quiz-opts .btn:disabled:not(.right):not(.wrong) { opacity: 0.55; }
.q-in.ok { border-color: var(--green); background: var(--green-wash); }
.q-in.bad { border-color: var(--red); background: var(--red-wash); }
.q-pattern { color: var(--pen); letter-spacing: 0.08em; overflow-wrap: anywhere; }
button.link:disabled { color: var(--ink-3); text-decoration: none; cursor: default; }
.q-seg { display: flex; gap: 2px; height: 8px; border-radius: 99px; overflow: hidden; background: var(--rule); }
.q-seg .k { background: var(--green); }
.q-seg .l { background: var(--amber); }
.q-seg .n { background: var(--rule-2); }
.q-star[aria-pressed="true"] { color: var(--amber); }
.q-star[aria-pressed="true"] .ic { fill: currentColor; }
.q-auto[aria-pressed="true"] { border-color: var(--pen); background: var(--pen-wash); color: var(--pen); }
.q-round { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.q-round li { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; }
.q-round .q-ok { color: var(--green); display: inline-flex; }
.q-round .q-no { color: var(--red); display: inline-flex; }
.q-timer { font: 700 var(--t-2xl)/1 var(--f-mono); font-variant-numeric: tabular-nums; }
.q-tiles { display: grid; gap: 10px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 720px) { .q-tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 460px) {
  .q-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .q-tiles .q-tile { min-height: 64px; padding: 8px; font-size: var(--t-sm); }
  .q-tiles .q-tile.en { font-size: var(--t-md); }
}
.q-tile {
  min-height: 92px; padding: 10px 12px;
  border: 1.5px solid var(--rule-2); border-radius: 10px; background: var(--sheet); color: var(--ink);
  font: 600 var(--t-md)/1.35 var(--f-body); cursor: pointer; overflow-wrap: anywhere;
  transition: opacity 0.3s, transform 0.3s, background-color 0.15s, border-color 0.15s;
}
.q-tile.en { font-family: var(--f-display); font-size: var(--t-lg); }
.q-tile:hover { border-color: var(--ink-3); }
.q-tile.sel { border-color: var(--pen); background: var(--pen-wash); box-shadow: inset 0 0 0 1px var(--pen); }
.q-tile.bad { border-color: var(--red); background: var(--red-wash); color: var(--red); }
.q-tile.gone { opacity: 0; transform: scale(0.9); pointer-events: none; }
.q-def { margin: 0; padding: 14px 18px; border-left: 3px solid var(--pen); border-radius: 0 8px 8px 0; background: var(--sheet-2); font: 400 var(--t-xl)/1.55 var(--f-paper); overflow-wrap: anywhere; }