/* 가나 연습장 — 練習帳 (practice notebook) styling.
 * All colours are tokens: light on :root, dark ("night desk") under prefers-color-scheme and [data-theme]. */

:root {
  color-scheme: light;
  /* paper & ink */
  --paper: #f5efe3;
  --paper-grid: #ebe2d0;
  --card: #fffcf4;
  --card-2: #f8f2e6;
  --box: #fffdf8;
  --ink: #2a2622;
  --ink-2: #554e46;
  --ink-3: #6f665b;
  --line: #e2d7c3;
  --line-strong: #c9baa0;
  /* notebook guides (朱) */
  --guide: #eba596;
  --guide-strong: #d9694f;
  --shu: #c8442a;
  --shu-soft: #f8e0d7;
  --shu-ink: #8f2a17;
  --redpen: #d02b25;
  --ghost: #e8dfcf;
  --ghost-strong: #e3d6c1;
  /* scripts: 藍 indigo / 若竹 teal */
  --hira: #2c4a8c;
  --hira-bg: #e3e9f6;
  --hira-line: #b5c4e6;
  --kata: #19705f;
  --kata-bg: #daf0e9;
  --kata-line: #a2d3c4;
  /* grades */
  --ok: #2c7436;
  --ok-bg: #e1f1de;
  --ok-line: #acd4a6;
  --tri: #945c06;
  --tri-bg: #fbecc8;
  --tri-line: #e8cb86;
  --ng: #b42f27;
  --ng-bg: #fbe0da;
  --ng-line: #eab0a6;
  /* mastery tints */
  --m-high: #e1f1de;
  --m-mid: #fbf0d3;
  --m-low: #fbe3dd;
  /* misc */
  --focus: #2f5fd0;
  --scrim: rgba(42, 34, 26, 0.48);
  --shadow: 0 1px 0 rgba(120, 95, 60, 0.07), 0 10px 24px -16px rgba(80, 55, 20, 0.35);
  --shadow-pop: 0 18px 50px -18px rgba(40, 25, 10, 0.45);
  --toast-bg: #2a2622;
  --toast-ink: #fffcf4;
  --knob-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);

  --font-ui: "Gowun Dodum", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;
  --font-head: "Gowun Batang", "AppleMyungjo", "Nanum Myeongjo", "Batang", serif;
  --font-kana: "Klee One", "Hiragino Maru Gothic ProN", "Yu Kyokasho", "UD Digi Kyokasho N-R", "Noto Sans JP", sans-serif;
  --font-gothic: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;

  --radius: 16px;
  --radius-sm: 10px;
  --gutter: max(16px, env(safe-area-inset-left));
  --gutter-r: max(16px, env(safe-area-inset-right));
  --top-clear: 80px;  /* what the sticky top bar covers, plus a little: scroll-margin-top of things scrolled into view */
  --bar-h: calc(61px + env(safe-area-inset-top));   /* the sticky top bar's height (one row): top of what sticks under it */
}
@media (max-width: 559px) { :root { --top-clear: 112px; } }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #181614;
    --paper-grid: #211e1b;
    --card: #221f1b;
    --card-2: #2a2621;
    --box: #1d1a17;
    --ink: #eee6d7;
    --ink-2: #c6bcab;
    --ink-3: #9a907f;
    --line: #38322b;
    --line-strong: #544b40;
    --guide: #6f3b30;
    --guide-strong: #a65543;
    --shu: #f2896b;
    --shu-soft: #3b2520;
    --shu-ink: #ffb39c;
    --redpen: #ff6a5c;
    --ghost: #34302a;
    --ghost-strong: #3a352e;
    --hira: #a7bcf3;
    --hira-bg: #222b43;
    --hira-line: #3b4b75;
    --kata: #7ed4be;
    --kata-bg: #193530;
    --kata-line: #2e5c51;
    --ok: #92d59d;
    --ok-bg: #1c3221;
    --ok-line: #315b39;
    --tri: #f1c46b;
    --tri-bg: #382c14;
    --tri-line: #6b5426;
    --ng: #ff9284;
    --ng-bg: #3c1f1b;
    --ng-line: #6e332b;
    --m-high: #1d3322;
    --m-mid: #352b16;
    --m-low: #3b211d;
    --focus: #93b3ff;
    --scrim: rgba(0, 0, 0, 0.62);
    --shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 12px 26px -16px rgba(0, 0, 0, 0.7);
    --shadow-pop: 0 18px 50px -14px rgba(0, 0, 0, 0.8);
    --toast-bg: #eee6d7;
    --toast-ink: #181614;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #181614;
  --paper-grid: #211e1b;
  --card: #221f1b;
  --card-2: #2a2621;
  --box: #1d1a17;
  --ink: #eee6d7;
  --ink-2: #c6bcab;
  --ink-3: #9a907f;
  --line: #38322b;
  --line-strong: #544b40;
  --guide: #6f3b30;
  --guide-strong: #a65543;
  --shu: #f2896b;
  --shu-soft: #3b2520;
  --shu-ink: #ffb39c;
  --redpen: #ff6a5c;
  --ghost: #34302a;
  --ghost-strong: #3a352e;
  --hira: #a7bcf3;
  --hira-bg: #222b43;
  --hira-line: #3b4b75;
  --kata: #7ed4be;
  --kata-bg: #193530;
  --kata-line: #2e5c51;
  --ok: #92d59d;
  --ok-bg: #1c3221;
  --ok-line: #315b39;
  --tri: #f1c46b;
  --tri-bg: #382c14;
  --tri-line: #6b5426;
  --ng: #ff9284;
  --ng-bg: #3c1f1b;
  --ng-line: #6e332b;
  --m-high: #1d3322;
  --m-mid: #352b16;
  --m-low: #3b211d;
  --focus: #93b3ff;
  --scrim: rgba(0, 0, 0, 0.62);
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 12px 26px -16px rgba(0, 0, 0, 0.7);
  --shadow-pop: 0 18px 50px -14px rgba(0, 0, 0, 0.8);
  --toast-bg: #eee6d7;
  --toast-ink: #181614;
}

/* ------------------------------------------------------------------ base */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background-color: var(--paper);
  touch-action: manipulation; /* no double-tap zoom (two quick ticks beside a box); panning and pinch-zoom stay */
}

html.modal-open { overflow: hidden; }

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--paper-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-grid) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: -1px -1px;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 1.0625rem;
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: anywhere;
  -webkit-tap-highlight-color: transparent;
}

h1, h2, h3, p { margin: 0; }
button, input { font: inherit; color: inherit; }
img, svg { max-width: 100%; }
a { color: var(--hira); }
kbd {
  font-family: var(--font-ui);
  font-size: 0.72em;
  padding: 0.05em 0.4em;
  border: 1px solid currentColor;
  border-radius: 5px;
  opacity: 0.7;
  line-height: 1.3;
}

.jp, [lang="ja"] { font-family: var(--font-kana); }
.f-gothic { font-family: var(--font-gothic) !important; font-weight: 400; }
.f-textbook { font-family: var(--font-kana); }
.inline-kana { font-size: 1.1em; line-height: 1; }

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

:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
:focus:not(:focus-visible) { outline: none; }

[hidden] { display: none !important; }

.wrap {
  width: 100%;
  max-width: 1080px;
  margin-inline: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter-r);
}

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 50;
  background: var(--card); color: var(--ink); padding: 10px 14px; border-radius: 10px;
  border: 2px solid var(--focus);
}
.skip-link:focus { top: 10px; }

.ic { width: 1.25em; height: 1.25em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ic .ic-fill, .ic.ic-fill { fill: currentColor; }

/* ------------------------------------------------------------------ top bar */

.topbar {
  position: sticky; top: 0; z-index: 20;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding-top: env(safe-area-inset-top);
}
.topbar-in {
  display: flex; align-items: center; gap: 12px;
  min-height: 60px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--ink); text-decoration: none;
  min-height: 44px; padding-right: 6px; border-radius: 10px;
}
.brand-mark {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px;
  border: 2px solid var(--shu); color: var(--shu);
  border-radius: 7px;
  font-family: var(--font-kana); font-weight: 600; font-size: 1.3rem; line-height: 1;
  transform: rotate(-5deg);
}
.brand-name { font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; letter-spacing: 0.02em; white-space: nowrap; }

.tabs { display: flex; gap: 4px; margin-left: auto; }
.tab {
  appearance: none; border: 0; background: none; cursor: pointer;
  min-height: 44px; padding: 0 14px;
  color: var(--ink-2); font-size: 1.02rem;
  border-bottom: 3px solid transparent; border-radius: 8px 8px 0 0;
  touch-action: manipulation;
}
.tab:hover { color: var(--ink); background: var(--card-2); }
.tab[aria-current="page"] { color: var(--ink); border-bottom-color: var(--shu); }

.icon-btn {
  appearance: none; display: inline-grid; place-items: center;
  width: 44px; height: 44px; flex: none;
  border: 1.5px solid var(--line); border-radius: 12px;
  background: var(--card); color: var(--ink-2); cursor: pointer;
}
.icon-btn:hover { color: var(--ink); border-color: var(--line-strong); }

@media (max-width: 559px) {
  .topbar-in { flex-wrap: wrap; row-gap: 0; padding-top: 6px; }
  .tabs { order: 3; width: 100%; margin-left: 0; justify-content: space-between; }
  .tab { flex: 1; }
  .theme-btn { margin-left: auto; }
}
/* During a test or a practice (#main > .test) a phone's top bar is one row — the mark, the tabs, the theme button —
 * so the question, its buttons and the writing box get the screen (the mark keeps the name as its accessible name). */
@media (max-width: 559px) {
  html:has(#main > .test) { --top-clear: 64px; --bar-h: calc(53px + env(safe-area-inset-top)); }
  html:has(#main > .test) .topbar-in { flex-wrap: nowrap; padding-top: 0; min-height: 52px; gap: 8px; }
  html:has(#main > .test) .brand { padding-right: 0; flex: none; }
  html:has(#main > .test) .brand-name { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  html:has(#main > .test) .tabs { order: 0; flex: 1; width: auto; min-width: 0; gap: 0; }
  html:has(#main > .test) .tab { min-width: 0; padding: 0 2px; font-size: 0.95rem; white-space: nowrap; }
  html:has(#main > .test) .theme-btn { margin-left: 0; }
}

/* ------------------------------------------------------------------ layout */

.main { padding-top: 24px; padding-bottom: 32px; min-height: 60vh; }
.main:focus { outline: none; }
.main:has(> .test) { padding-top: 12px; }   /* tests and practice: the question starts higher */
@media (max-width: 559px) { .main:has(> .test) { padding-top: 10px; } }

.page-head { margin-bottom: 20px; }
.page-head-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 24px; }
.page-title {
  font-family: var(--font-head); font-weight: 700;
  font-size: clamp(1.55rem, 1.2rem + 1.4vw, 2.1rem); line-height: 1.25;
  letter-spacing: -0.005em;
}
.page-title:focus { outline: none; }
.page-sub { color: var(--ink-2); margin-top: 6px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(16px, 2.4vw, 24px);
}
.card-h, .sec-h {
  font-family: var(--font-head); font-weight: 700; font-size: 1.18rem; line-height: 1.3;
}
.sec-h small { font-family: var(--font-ui); font-weight: 400; font-size: 0.8rem; color: var(--ink-3); margin-left: 6px; }
.sec-note { color: var(--ink-2); font-size: 0.92rem; margin-top: 4px; }

.foot { padding-top: 8px; padding-bottom: calc(24px + env(safe-area-inset-bottom)); color: var(--ink-3); font-size: 0.85rem; }
.foot a { color: var(--ink-2); }
.credit { border-top: 1px dashed var(--line-strong); padding-top: 12px; }
.note-warn {
  background: var(--tri-bg); color: var(--ink); border: 1px solid var(--tri-line);
  border-radius: var(--radius-sm); padding: 10px 14px; margin-bottom: 12px; font-size: 0.92rem;
}

/* ------------------------------------------------------------------ buttons & controls */

.btn {
  appearance: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.45em;
  min-height: 44px; padding: 0.45rem 1rem;
  border: 1.5px solid var(--line-strong); border-radius: 12px;
  background: var(--card); color: var(--ink);
  font-size: 1rem; line-height: 1.2; text-decoration: none; cursor: pointer;
  touch-action: manipulation; user-select: none; -webkit-user-select: none;
  transition: background-color 0.15s, border-color 0.15s, transform 0.08s;
}
.btn:hover { background: var(--card-2); border-color: var(--ink-3); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--ink); border-color: var(--ink); color: var(--card); }
.btn-primary:hover { background: var(--ink-2); border-color: var(--ink-2); }
.btn-quiet { border-color: transparent; background: transparent; color: var(--ink-2); }
.btn-quiet:hover { background: var(--card-2); border-color: var(--line); color: var(--ink); }
.btn-danger { background: var(--ng); border-color: var(--ng); color: var(--card); }
.btn-danger:hover { filter: brightness(1.06); background: var(--ng); }
.btn-danger-quiet { color: var(--ng); border-color: var(--ng-line); background: transparent; }
.btn-danger-quiet:hover { background: var(--ng-bg); border-color: var(--ng); }
.btn-sm { min-height: 44px; padding: 0.3rem 0.8rem; font-size: 0.95rem; border-radius: 10px; }
.btn-lg { min-height: 56px; padding: 0.7rem 1.4rem; font-size: 1.12rem; border-radius: 14px; }
.btn.icon-only { padding: 0; width: 44px; }
.btn kbd { margin-left: 2px; }

.chip {
  appearance: none; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; min-width: 44px; padding: 0 12px;
  border: 1.5px solid var(--line-strong); border-radius: 999px;
  background: var(--card); color: var(--ink-2);
  font-size: 1rem; touch-action: manipulation;
}
.chip:hover { border-color: var(--ink-3); color: var(--ink); }
.chip[aria-pressed="true"] {
  background: var(--shu-soft); border-color: var(--shu); color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--shu);
}
.chip-row .jp { font-size: 1.25rem; line-height: 1; }
.chip-link { font-size: 0.92rem; min-height: 40px; }

/* segmented radios */
.seg-field { border: 0; padding: 0; margin: 0 0 18px; min-width: 0; }
.field-label { font-weight: 400; color: var(--ink-2); font-size: 0.92rem; margin-bottom: 8px; padding: 0; }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg-opt { position: relative; display: inline-flex; }
.seg-opt input { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; pointer-events: none; }
.seg-face {
  display: inline-flex; align-items: center; gap: 0.4em;
  min-height: 44px; padding: 0 16px;
  border: 1.5px solid var(--line-strong); border-radius: 12px;
  background: var(--card); color: var(--ink-2); cursor: pointer;
  user-select: none; -webkit-user-select: none; touch-action: manipulation;
}
.seg-opt:hover .seg-face { border-color: var(--ink-3); color: var(--ink); }
.seg-opt input:checked + .seg-face { background: var(--ink); border-color: var(--ink); color: var(--card); }
.seg-opt input:focus-visible + .seg-face { outline: 3px solid var(--focus); outline-offset: 2px; }
.seg-glyph { font-size: 1.15em; line-height: 1; }
.seg-count .seg-face { min-width: 56px; justify-content: center; }
.view-toggle { margin-bottom: 0; }
.seg-hint { color: var(--ink-3); font-size: 0.86rem; margin-top: 6px; }
.font-toggle { margin: 0; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: center; }
.font-toggle .field-label { margin: 0; float: left; font-size: 0.82rem; }
.font-toggle .seg { gap: 4px; }
.font-toggle .seg-face { min-height: 36px; padding: 0 10px; font-size: 0.88rem; border-radius: 9px; }
@media (pointer: coarse) { .font-toggle .seg-face { min-height: 44px; } }

/* switches */
.toggle-row {
  display: grid; grid-template-columns: auto 1fr; align-items: center; column-gap: 12px;
  padding: 6px 0;
}
.toggle-label { cursor: pointer; min-height: 44px; display: flex; align-items: center; }
.toggle-hint { grid-column: 2; color: var(--ink-3); font-size: 0.86rem; margin-top: -8px; }
.switch {
  appearance: none; -webkit-appearance: none; margin: 0; cursor: pointer; flex: none;
  position: relative; width: 52px; height: 30px; border-radius: 999px;
  background: var(--line-strong); border: 0;
  transition: background-color 0.15s;
}
.switch::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--card); box-shadow: var(--knob-shadow);
  transition: transform 0.15s;
}
.switch:checked { background: var(--shu); }
.switch:checked::after { transform: translateX(22px); }
.switch-sm { width: 44px; height: 26px; }
.switch-sm::after { width: 20px; height: 20px; }
.switch-sm:checked::after { transform: translateX(18px); }

.pen-toggle { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; cursor: pointer; color: var(--ink-2); font-size: 0.95rem; }

details.more { border-top: 1px dashed var(--line-strong); padding-top: 12px; margin-top: 4px; }
details.more > summary {
  cursor: pointer; color: var(--ink-2); min-height: 44px; display: flex; align-items: center;
  list-style: none;
}
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::before { content: "＋"; margin-right: 8px; color: var(--shu); }
details.more[open] > summary::before { content: "－"; }
details.more[open] > summary { margin-bottom: 8px; }

/* ------------------------------------------------------------------ badges, chips, marks */

.badge {
  display: inline-flex; align-items: center; gap: 0.35em;
  padding: 0.18em 0.7em 0.18em 0.45em; border-radius: 999px;
  font-size: 0.9rem; line-height: 1.4; white-space: nowrap;
  border: 1.5px solid;
}
.badge-glyph { font-size: 1.05em; line-height: 1; }
.badge-hira { color: var(--hira); background: var(--hira-bg); border-color: var(--hira-line); }
.badge-kata { color: var(--kata); background: var(--kata-bg); border-color: var(--kata-line); }
.badge-mix { color: var(--ink-2); background: var(--card-2); border-color: var(--line-strong); }
.badge-sm { font-size: 0.8rem; }
.badge-lg { font-size: 1.12rem; padding: 0.3em 0.95em 0.3em 0.6em; border-width: 2px; }

.mchip {
  display: inline-flex; align-items: center; gap: 0.3em;
  min-width: 2.6em; padding: 0.12em 0.6em; border-radius: 999px;
  font-size: 0.92rem; line-height: 1.4; border: 1.5px solid; font-variant-numeric: tabular-nums;
}
.mchip-sym { font-weight: 700; }
.mchip-o { color: var(--ok); background: var(--ok-bg); border-color: var(--ok-line); }
.mchip-t { color: var(--tri); background: var(--tri-bg); border-color: var(--tri-line); }
.mchip-x { color: var(--ng); background: var(--ng-bg); border-color: var(--ng-line); }
.tri-sym { color: var(--tri); }

.cheat-tag {
  display: inline-flex; align-items: center;
  padding: 0.05em 0.6em; border-radius: 6px;
  font-size: 0.8rem; color: var(--tri); background: var(--tri-bg);
  border: 1px dashed var(--tri);
}

/* red-pen marks */
.mk { display: block; flex: none; overflow: visible; }
.mk path {
  fill: none; stroke: var(--redpen); stroke-width: 5.2; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 1 1.2; stroke-dashoffset: 1;
  animation: mk-draw 0.42s cubic-bezier(0.4, 0.1, 0.4, 1) forwards;
}
.mk path + path { animation-delay: 0.26s; }
@keyframes mk-draw { to { stroke-dashoffset: 0; } }
.mk-md { width: 52px; height: 52px; }
.mk-lg { width: 72px; height: 72px; }
.mk-sm { width: 28px; height: 28px; }
.mchip .mk { width: 1em; height: 1em; }

/* ------------------------------------------------------------------ notebook box (十) */

.kbox {
  position: relative;
  display: grid; place-items: center;
  aspect-ratio: 1 / 1;
  background: var(--box);
  border: 2px solid var(--guide-strong);
  border-radius: 4px;
}
.kbox::before, .kbox::after {
  content: ""; position: absolute; pointer-events: none;
}
.kbox::before { left: 50%; top: 2px; bottom: 2px; border-left: 1.5px dashed var(--guide); }
.kbox::after { top: 50%; left: 2px; right: 2px; border-top: 1.5px dashed var(--guide); }
.kbox > * { position: relative; z-index: 1; }

/* ------------------------------------------------------------------ home */

.home-grid { display: grid; gap: 20px; }
@media (min-width: 880px) {
  .home-grid { grid-template-columns: minmax(0, 1.35fr) minmax(300px, 1fr); align-items: start; }
  .home-side { position: sticky; top: 84px; }
}
.setup .card-h { margin-bottom: 16px; }
.row-chips { display: grid; gap: 8px; }
.chip-line { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.chip-group { width: 3.4em; color: var(--ink-3); font-size: 0.85rem; flex: none; }
.quick-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.range-summary { margin-top: 10px; color: var(--ink-2); font-size: 0.95rem; }
.range-summary.is-empty { color: var(--ng); }

.home-side { display: grid; gap: 14px; }
/* Stacked (tablet portrait, phones): start buttons and 글자표 first — settings are remembered. */
@media (max-width: 879px) { .home-side { order: -1; } }
.start-box { display: grid; gap: 12px; }
.start-btn {
  appearance: none; cursor: pointer; text-align: left;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px;
  min-height: 92px; padding: 14px 18px;
  border-radius: var(--radius); border: 2px solid var(--ink);
  background: var(--ink); color: var(--card);
  box-shadow: var(--shadow); touch-action: manipulation;
  transition: transform 0.1s, filter 0.15s;
}
.start-btn:hover { filter: brightness(1.12); }
.start-btn:active { transform: translateY(1px); }
.start-btn[disabled] { opacity: 0.45; cursor: not-allowed; filter: none; }
.start-write { background: var(--card); color: var(--ink); }
.start-write:hover { filter: none; background: var(--card-2); }
.start-glyph {
  display: grid; place-items: center; width: 58px; height: 58px; border-radius: 10px;
  border: 1.5px dashed currentColor; font-size: 2.1rem; line-height: 1; opacity: 0.95;
}
.start-glyph-pen .ic { width: 30px; height: 30px; }
.start-text { display: grid; gap: 2px; }
.start-title { font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; }
.start-desc { font-size: 0.95rem; opacity: 0.8; }

.chart-entry {
  appearance: none; cursor: pointer; text-align: left; color: var(--ink);
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px;
  padding: 14px 18px; min-height: 84px;
  border-radius: var(--radius); border: 1.5px solid var(--guide-strong);
  background: var(--box); box-shadow: var(--shadow);
}
.chart-entry:hover { background: var(--card-2); }
.chart-entry-glyphs { display: grid; font-size: 1.05rem; line-height: 1.35; letter-spacing: 0.12em; color: var(--ink-2); }
.chart-entry-glyphs span:first-child { color: var(--hira); }
.chart-entry-glyphs span:last-child { color: var(--kata); }
.chart-entry-text { display: grid; }
.chart-entry-title { font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; }
.chart-entry-desc { font-size: 0.9rem; color: var(--ink-2); }

.last-session {
  appearance: none; cursor: pointer; text-align: left; color: var(--ink);
  display: grid; gap: 4px; padding: 12px 16px; min-height: 44px;
  border: 1px dashed var(--line-strong); border-radius: var(--radius); background: transparent;
}
.last-session:hover { background: var(--card-2); }
.last-label { font-size: 0.82rem; color: var(--ink-3); }
.last-marks { display: flex; gap: 6px; flex-wrap: wrap; }

/* ------------------------------------------------------------------ test chrome */

.test-bar {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px 14px;
  margin-bottom: 12px;
}
.tb-mid { display: grid; gap: 3px; min-width: 0; line-height: 1.3; }
.tb-kind { font-size: 0.85rem; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tb-progress { display: flex; align-items: center; gap: 10px; }
.tb-bar { flex: 1; height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; }
.tb-fill { display: block; height: 100%; width: 0; background: var(--shu); border-radius: 99px; transition: width 0.3s; }
.tb-n { font-variant-numeric: tabular-nums; font-size: 0.95rem; color: var(--ink-2); white-space: nowrap; }
.tally { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
/* 무한 모드: no progress bar; a clearly visible 그만하기 */
.tb-stop { border-color: var(--ink); }
.tb-stop .ic { width: 0.95em; height: 0.95em; }
.test-bar.is-endless .tb-n { color: var(--ink); font-size: 1rem; }
@media (max-width: 399px) {
  .tb-stop { padding-inline: 10px; }
  .tb-stop .ic { display: none; }
  .test-bar.is-endless .tb-n { font-size: 0.92rem; }
}
.retry-tag {
  display: inline-flex; align-items: center;
  padding: 0.05em 0.6em; border-radius: 6px;
  font-size: 0.8rem; color: var(--shu-ink); background: var(--shu-soft);
  border: 1px solid var(--shu);
}
@media (max-width: 559px) {
  .test-bar { gap: 8px; margin-bottom: 8px; }
  .tb-quit { padding-inline: 8px; }
  .tally { gap: 4px; flex-wrap: nowrap; }
  .tally .mchip { min-width: 0; padding: 0.1em 0.45em; font-size: 0.85rem; }
}

/* reading */
.read-layout { display: grid; gap: 18px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 820px) {
  .read-layout { grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr); align-items: start; }
}
.q-card { display: grid; gap: 12px; justify-items: center; }
.q-card-top { display: flex; align-items: center; gap: 8px; width: 100%; min-height: 30px; flex-wrap: wrap; }
.q-kind { color: var(--ink-3); font-size: 0.92rem; margin-right: auto; }
.q-box { width: min(100%, 300px); }
.q-glyph { font-size: clamp(6rem, 24vw, 9.5rem); line-height: 1; padding-bottom: 0.04em; color: var(--ink); }
@media (max-width: 819px) {
  .q-card { gap: 8px; padding-block: 12px; }
  .q-box { width: min(100%, 220px, 30vh); }
  .q-glyph { font-size: min(7.5rem, 20vh); }
}
.answer { display: grid; gap: 10px; grid-template-columns: minmax(0, 1fr); }
.answer-label { font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; }
.answer-help { color: var(--ink-3); font-size: 0.9rem; margin-top: -6px; }
.answer-row { display: flex; gap: 8px; }
/* width: 0 — the input's default size=20 must not set the min width of the row (no sideways scroll on phones) */
.answer-input {
  flex: 1; width: 0; min-width: 0; min-height: 56px; padding: 0 16px;
  font-size: 1.4rem; letter-spacing: 0.04em;
  border: 2px solid var(--line-strong); border-radius: 12px;
  background: var(--box); color: var(--ink);
}
.answer-input::placeholder { color: var(--ink-3); font-size: 1.05rem; letter-spacing: 0; }
.answer-input:focus { border-color: var(--ink-2); }
.answer-input.is-right { border-color: var(--ok); background: var(--ok-bg); }
.answer-input.is-wrong { border-color: var(--ng); background: var(--ng-bg); }
.answer-go { min-width: 84px; }
.test-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.test-actions .btn-next { margin-left: auto; }
.feedback:empty { display: none; }
.fb { display: grid; gap: 14px; }
.fb-head { display: flex; align-items: center; gap: 14px; }
.fb-text { display: grid; gap: 2px; }
.fb-title { font-family: var(--font-head); font-weight: 700; font-size: 1.25rem; }
.fb-o .fb-title { color: var(--ok); }
.fb-x .fb-title { color: var(--ng); }
.fb-reading { font-size: 1.05rem; }
.fb-glyph { font-size: 1.5rem; vertical-align: -0.1em; }
.fb-alt { color: var(--ink-3); font-size: 0.88rem; }
.fb-given { color: var(--ink-2); }
.given { text-decoration: line-through; text-decoration-color: var(--redpen); text-decoration-thickness: 2px; }
.fb-cheat { color: var(--tri); font-size: 0.9rem; }
.fb-nudge { color: var(--tri); }
.fb-note { color: var(--ink-2); font-size: 0.95rem; }

/* look-alike comparison */
.lookalike {
  border: 1.5px solid var(--tri-line); background: var(--tri-bg);
  border-radius: var(--radius); padding: 14px 16px; display: grid; gap: 12px;
}
.la-q { font-family: var(--font-head); font-weight: 700; font-size: 1.12rem; }
.la-q .jp { font-family: var(--font-kana); font-size: 1.3em; }
.la-pair { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; }
.la-fig { margin: 0; display: grid; gap: 6px; justify-items: center; text-align: center; }
.la-box { width: min(100%, 120px); }
.la-svg { width: min(100%, 130px); }
.la-glyph { font-size: clamp(3rem, 12vw, 4.4rem); line-height: 1; }
.la-fig figcaption { display: grid; font-size: 0.9rem; }
.la-small { font-size: 1.1em; }
.la-cap { color: var(--ink-3); font-size: 0.82rem; }
.la-fig.is-target figcaption .la-cap { color: var(--ok); }
.la-vs { color: var(--ink-3); font-size: 1.4rem; }
.la-tip { font-size: 0.95rem; color: var(--ink); line-height: 1.65; }
.la-tip b { color: var(--tri); font-weight: 400; margin-right: 4px; }
.la-links { display: flex; flex-wrap: wrap; gap: 6px; }

/* writing — the 쓰기 test, and the pieces 단어장 쓰기 (css/words.css) and 따라 써보기 share. Compact on purpose: the
 * question, 채점 · 모르겠어요 (the prompt card's foot), the pad tools and the whole box are on one phone screen
 * (360 × 640 and up) at scroll 0. The chrome is what got smaller, not the box. */
.write-layout {
  display: grid; gap: 10px;
  grid-template-areas: "prompt" "pad" "result";
}
.w-prompt { grid-area: prompt; }
.w-pad { grid-area: pad; display: grid; gap: 8px; justify-items: center; }
.w-result { grid-area: result; min-width: 0; scroll-margin-top: var(--top-clear); }
.pad-host { scroll-margin-top: var(--top-clear); }
.w-result:empty { display: none; }
@media (min-width: 900px) {
  .write-layout {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "prompt pad" "result pad";
    align-items: start; column-gap: 24px;
  }
  .w-pad { position: sticky; top: 80px; }
}
/* the prompt card: one line ('あ 히라가나로 쓰세요   ka 카', tags at its end), the hint (a few kana) under it, and the
 * buttons — under the question on a phone, beside it on a wide card (flex-wrap: .prompt-main 18rem + .act-row 22rem) */
.prompt { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; border-top: 4px solid var(--line-strong); }
.w-prompt { padding: 10px 14px 12px; }
@media (max-width: 559px) { .w-prompt { padding: 10px 12px; } }
.prompt.s-hira { border-top-color: var(--hira); }
.prompt.s-kata { border-top-color: var(--kata); }
.prompt.is-mix.s-hira { background: var(--hira-bg); border-color: var(--hira-line); border-top-color: var(--hira); }
.prompt.is-mix.s-kata { background: var(--kata-bg); border-color: var(--kata-line); border-top-color: var(--kata); }
.prompt-main { flex: 1 1 18rem; display: grid; gap: 6px; min-width: 0; }
.prompt-top { display: flex; align-items: center; gap: 4px 12px; flex-wrap: wrap; min-width: 0; }
.prompt-label { color: var(--ink-2); display: inline-flex; align-items: center; gap: 2px; flex-wrap: wrap; font-size: 0.95rem; }
.prompt-tags { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-left: auto; }
.prompt-tags:not(:has(> :not([hidden]))) { display: none; }
.prompt-say { display: inline-flex; align-items: baseline; flex-wrap: wrap; gap: 0 10px; min-width: 0; }
.prompt-romaji { font-size: clamp(1.75rem, 1.4rem + 1.2vw, 2.25rem); line-height: 1.1; letter-spacing: 0.02em; font-family: var(--font-ui); color: var(--ink); }
.prompt-alt { font-size: 0.5em; color: var(--ink-3); letter-spacing: 0; vertical-align: middle; }
.prompt-ko { font-size: 1.25rem; color: var(--ink-2); line-height: 1.2; }
.prompt-hint {
  display: block; justify-self: start;
  background: var(--card); border: 1.5px dashed var(--shu); border-radius: 8px;
  padding: 3px 10px; font-size: 0.9rem; line-height: 1.5;
}
.prompt-hint-label { color: var(--shu-ink); font-size: 0.8rem; margin-right: 6px; }
@media (max-width: 559px) {
  .badge-lg { font-size: 0.92rem; padding: 0.15em 0.75em 0.15em 0.5em; }
}
.w-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; width: min(100%, 30rem); }
.w-actions:not(:has(> :not([hidden]))) { display: none; }

/* The box: as wide as the screen allows, up to 30rem, never under 15rem (18rem on the two-column layout) — the rest of
 * the screen height minus the chrome above and below it (top bar, test bar, prompt card, tools, the clear band). */
.w-pad { --pad-w: min(100%, 30rem, max(15rem, calc(100vh - 21rem))); }
@supports (height: 100svh) {
  .w-pad { --pad-w: min(100%, 30rem, max(15rem, calc(100svh - 21rem))); }
}
/* a hint line under the question (を, ぢ …) makes the card about 2.5rem taller */
@media (max-width: 899px) {
  .write-layout:has(.prompt-hint) .w-pad { --pad-w: min(100%, 30rem, max(15rem, calc(100vh - 24rem))); }
  @supports (height: 100svh) { .write-layout:has(.prompt-hint) .w-pad { --pad-w: min(100%, 30rem, max(15rem, calc(100svh - 24rem))); } }
}
@media (min-width: 900px) {
  .w-pad { --pad-w: min(30rem, max(18rem, calc(100vh - 18rem))); }
  @supports (height: 100svh) { .w-pad { --pad-w: min(30rem, max(18rem, calc(100svh - 18rem))); } }
}
.pad-host { width: var(--pad-w); }
.pad-tools {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px;
  width: 100%;
}
/* the tools row spans the box (a little wider on a small box, so 되돌리기 · 지우기 · 획 수 · 펜 전용 stay on one line) */
.w-pad .pad-tools { width: min(100%, max(var(--pad-w), 17rem)); }
/* Tools ABOVE the box (.pad-tools-top): a clear band of 28 px between them and the box — wider than the box's ring, which
 * reaches 24 px above it while a pen hovers (html.pad-pen-near) — so a stroke begun just above the box writes instead
 * of pressing a tool, and a tap on a tool is never a stroke. Also out of the writing hand's way (a palm rests below
 * and beside the pen, not above it). Margin + the column's gap = 28 px. */
.w-pad > .pad-tools-top { margin-bottom: 20px; }
.practice-left > .pad-tools-top { margin-bottom: 20px; }
.pad-tools-gap { flex: 1; }
@media (max-width: 559px) {
  .tool-btn { width: 44px; padding: 0; }
  .tool-btn .tool-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}
.stroke-count { color: var(--ink-2); font-size: 0.95rem; padding: 0 4px; font-variant-numeric: tabular-nums; }
.stroke-count b { font-size: 1.15rem; color: var(--ink); margin-right: 2px; }
.pen-hint { font-size: 0.85rem; color: var(--kata); min-height: 0; }
.pen-hint:empty { display: none; }
.grade-btn { width: min(100%, 30rem); }
/* 채점 / 모르겠어요 / 컨닝 (다음 문제 once graded) at the foot of the prompt card (beside the question on a wide card):
 * on screen without scrolling, and well away from the box (the tools row and the clear band are between them).
 * 46 px tall — a full touch target, not a banner. */
.act-row {
  display: flex; align-items: stretch; justify-content: center; gap: 8px;
  width: 100%;
}
.act-row:not(:has(> :not([hidden]))) { display: none; }
.prompt > .act-row, .wp-prompt > .act-row { flex: 1 1 22rem; max-width: 30rem; }
.act-row .grade-btn { flex: 1 1 auto; width: auto; min-width: 0; min-height: 46px; padding: 0.4rem 1rem; font-size: 1.08rem; border-radius: 12px; }
.act-row > .btn:not(.grade-btn) { flex: none; min-height: 46px; }
.practice-left .act-row { width: 100%; }
.practice-left .practice-grade { flex: 1 1 auto; min-height: 46px; }
@media (max-width: 559px) {
  .act-row kbd { display: none; }
  .act-row > .btn { padding-inline: 12px; }
}
/* The help buttons (힌트, 컨닝) are just their icon where the row is too narrow for their words, so 채점 keeps a wide
 * target (the words stay their accessible name and title). Measured on the row itself (a size container): it is under
 * the question on a phone and beside it on a wide card. Without container queries: by the screen width. */
.act-row .grade-btn { min-width: 5.5rem; }
.act-row .wp-hint-what { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
@supports (container-type: inline-size) {
  .act-row { container-type: inline-size; }
  @container (max-width: 21rem) {
    .act-row .act-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
    .act-row > .btn:has(> .act-text) { width: 46px; padding: 0; }
  }
  @container (max-width: 27rem) {   /* four buttons: 채점 · 모르겠어요 · 힌트 · 컨닝 */
    .act-row:has(> .wp-hint) .act-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
    .act-row:has(> .wp-hint) > .btn:has(> .act-text) { width: 46px; padding: 0; }
  }
}
@supports not (container-type: inline-size) {
  @media (max-width: 559px) {
    .act-row .act-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
    .act-row > .btn:has(> .act-text) { width: 46px; padding: 0; }
  }
}
.practice-note {
  width: min(100%, 30rem); font-size: 0.88rem; color: var(--tri); line-height: 1.5;
  background: var(--tri-bg); border: 1px solid var(--tri-line); border-radius: 10px; padding: 5px 10px;
}

/* the drawing pad */
.pad {
  --pad-ink: var(--ink);
  position: relative; width: 100%; aspect-ratio: 1 / 1;
  background: var(--box);
  border-radius: 6px;
  box-shadow: var(--shadow);
  touch-action: none;
  user-select: none; -webkit-user-select: none; -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: contain;
}
.pad-guide { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; display: block; }
.pad-border { fill: none; stroke: var(--guide-strong); stroke-width: 1.3; }
.pad-cross { fill: none; stroke: var(--guide); stroke-width: 0.75; stroke-dasharray: 2.6 2.4; }
.pad-ghost-stroke { fill: none; stroke: var(--ghost-strong); stroke-width: 6; stroke-linecap: round; stroke-linejoin: round; }
.pad-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%; display: block;
  touch-action: none; cursor: crosshair;
  user-select: none; -webkit-user-select: none; -webkit-touch-callout: none;
}
.pad.is-disabled .pad-canvas { cursor: default; }
.pad.is-disabled { opacity: 0.92; }
html.pad-drawing, html.pad-drawing * { user-select: none !important; -webkit-user-select: none !important; }
/* Keeping the page still while writing (js/drawpad.js header). The ring: a stroke begun a few px outside the box
 * writes instead of panning the page (6 px at the bottom; the tools are above the box, 28 px clear of it —
 * .pad-tools-top). */
.pad:not(.is-disabled)::before { content: ""; position: absolute; inset: -12px -12px -6px -12px; }
.pad.is-disabled, .pad.is-disabled .pad-canvas { touch-action: manipulation; } /* graded: the page scrolls over it */
/* A pen over the writing block or writing (DrawPad.Ink.nearZone): nothing on the page pans, so the writing hand
 * resting anywhere cannot scroll it between strokes. Scrollers are listed because a scroll container starts its own
 * touch-action chain. Taps still work; once the pen is put away a finger scrolls as usual. The box's ring reaches
 * further up then, for a pen stroke begun a little above the box. */
html.pad-pen-near, html.pad-pen-near body, html.pad-pen-near .sheet-panel:has(.pad:not(.is-disabled)) { touch-action: none; }
html.pad-pen-near .gp-strip { touch-action: pan-x; }   /* the mini strip still scrolls sideways */
html.pad-pen-near .pad:not(.is-disabled)::before { top: -24px; }
/* Touch screens: during a stroke — and after it while a palm or finger that was panning is still down
 * (html.pad-hold, DrawPad.Ink) — the page and the dialog's scroller do not scroll at all, so such a pan stops instead
 * of fighting the tracker's scroll pin or resuming between strokes. On the root only (it propagates to the viewport;
 * on body it would make body a scroller and shift sticky elements); while a pad is live the scrollbar gutter is kept
 * so a classic scrollbar cannot shift the layout when overflow toggles. Touch laptops whose primary pointer is fine
 * are left out on purpose (the tracker's scroll pin still keeps their strokes straight). */
@media (pointer: coarse) {
  html.pad-live:not(.modal-open), .sheet-panel { scrollbar-gutter: stable; }
  html.pad-drawing, html.pad-hold, html.pad-drawing .sheet-panel, html.pad-hold .sheet-panel { overflow: hidden; }
}
/* While a pad takes input: no rubber-band / pull-to-refresh, and no scroll chained into a host page. */
html.pad-live { overscroll-behavior: none; }

/* writing result */
.wres {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: clamp(14px, 2.2vw, 22px);
  display: grid; gap: 14px; min-width: 0;
}
.wres.is-compact { box-shadow: none; padding: 14px; background: var(--card-2); }
.w-result.is-stale .wres { opacity: 0.55; }
.wres-head { display: flex; align-items: center; gap: 14px; }
.wres-headtext { display: grid; gap: 2px; min-width: 0; }
.wres-verdict { font-family: var(--font-head); font-weight: 700; font-size: 1.22rem; line-height: 1.35; }
.wres-o .wres-verdict { color: var(--ok); }
.wres-t .wres-verdict { color: var(--tri); }
.wres-x .wres-verdict { color: var(--ng); }
.wres-none .wres-verdict { color: var(--ink-2); font-size: 1.05rem; }
.wres-recog { color: var(--ink-2); }
.wres-rglyph { font-size: 1.4em; vertical-align: -0.12em; color: var(--ink); }
.wres-variant { color: var(--ink-2); font-size: 0.92rem; }
.wres-practice { font-size: 0.85rem; color: var(--tri); }
.issues { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.issue { display: flex; gap: 10px; align-items: baseline; font-size: 0.98rem; }
.issue-type {
  flex: none; font-size: 0.78rem; padding: 0.1em 0.55em; border-radius: 6px;
  border: 1px solid var(--line-strong); color: var(--ink-2); background: var(--card-2);
}
.issue-order .issue-type, .issue-direction .issue-type, .issue-count .issue-type { color: var(--tri); border-color: var(--tri-line); background: var(--tri-bg); }
.issue-shape .issue-type, .issue-lookalike .issue-type, .issue-script .issue-type { color: var(--ng); border-color: var(--ng-line); background: var(--ng-bg); }
.wres-compare { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 560px) {
  .wres-compare { grid-template-columns: minmax(130px, 0.8fr) minmax(0, 1.4fr); align-items: start; }
}
.wres-compare figure { margin: 0; display: grid; gap: 6px; min-width: 0; }
.wres-compare > figure:only-child { grid-column: 1 / -1; }
.wres-mine-svg { width: min(100%, 200px); }
.wres-compare figcaption { display: grid; gap: 2px; font-size: 0.9rem; }
.legend { color: var(--ink-3); font-size: 0.84rem; }
.legend-bad { color: var(--ng); }
.wres-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }

/* 구별 포인트 (key points) in a graded drawing: issue lines, the stand-alone glyph block, the look-alike figure */
.issue-keypoint .issue-type { color: var(--ng); border-color: var(--ng-line); background: var(--ng-bg); }
.issue-kpweak .issue-type { color: var(--tri); border-color: var(--tri-line); background: var(--tri-bg); }
.kp-refs { display: inline-flex; flex-wrap: wrap; gap: 4px 12px; }
.kp-ref { display: inline-flex; align-items: baseline; gap: 6px; }
.kp-more { color: var(--ink-3); font-size: 0.9rem; }
.kp-num {
  display: inline-grid; place-items: center; flex: none;
  min-width: 1.45em; height: 1.45em; padding: 0 0.2em; border-radius: 999px;
  font-size: 0.78rem; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums;
  color: var(--box); background: var(--shu); transform: translateY(-0.05em);
}
.kp-num-miss { background: var(--redpen); }
.kp-num-weak { background: var(--tri); }
.kp-block {
  display: grid; grid-template-columns: minmax(84px, 112px) minmax(0, 1fr); gap: 12px 14px; align-items: center;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card-2);
}
.wres.is-compact .kp-block { background: var(--card); }
.kp-block.has-miss { border-color: var(--ng-line); }
.kp-block-text { display: grid; gap: 2px; min-width: 0; font-size: 0.95rem; }
.kp-block-h { font-weight: 700; color: var(--ink-2); font-size: 0.86rem; }
.la-kp { margin-top: 2px; }

/* '판정이 이상해요' (judge report) */
.rep-ctl { display: grid; gap: 10px; justify-items: start; border-top: 1px dashed var(--line); padding-top: 8px; }
.rep-btn { color: var(--ink-3); font-size: 0.9rem; }
.rep-btn .ic { width: 1.1em; height: 1.1em; }
.rep-form {
  width: 100%; display: grid; gap: 10px; padding: 12px 14px;
  border: 1.5px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--card);
}
.rep-h { font-weight: 700; }
.rep-hint { color: var(--ink-2); font-size: 0.9rem; }
.rep-kinds { border: 0; padding: 0; margin: 0; min-width: 0; display: grid; gap: 2px; }
.rep-kinds .field-label { margin-bottom: 4px; }
.rep-kind { display: flex; align-items: center; gap: 10px; min-height: 40px; cursor: pointer; font-size: 0.95rem; }
.rep-kind input { width: 20px; height: 20px; margin: 0; flex: none; accent-color: var(--shu); }
.rep-note-label { margin: 0; }
.rep-note, .rep-json {
  width: 100%; min-width: 0; font: inherit; font-size: 0.95rem; color: var(--ink); background: var(--box);
  border: 1.5px solid var(--line-strong); border-radius: 10px; padding: 8px 10px; resize: vertical;
}
.rep-note:focus-visible, .rep-json:focus-visible { outline: 3px solid var(--focus); outline-offset: 1px; }
.rep-form-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.rep-done { color: var(--ok); font-size: 0.92rem; }
.rep-done:focus { outline: none; }
.rep-done:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

/* ------------------------------------------------------------------ stroke view (SVG) */

.sv { display: block; width: 100%; height: auto; overflow: visible; }
.sv-box { fill: var(--box); stroke: var(--guide-strong); stroke-width: 1.2; }
.sv-guide { fill: none; stroke: var(--guide); stroke-width: 0.75; stroke-dasharray: 2.6 2.4; }
.sv-stroke { fill: none; stroke-width: 4.2; stroke-linecap: round; stroke-linejoin: round; }
.sv-ink .sv-stroke { stroke: var(--ink); }
.sv-ghost .sv-stroke, .sv-todo .sv-stroke { stroke: var(--ghost); }
.sv-cur .sv-stroke, .sv-ink .sv-stroke.is-current { stroke: var(--shu); }
.sv-start { fill: var(--shu); }
.sv-start.is-hidden { display: none; }
.sv-num {
  font-family: var(--font-ui); font-size: 8.5px; font-weight: 700; fill: var(--ink-2);
  paint-order: stroke; stroke: var(--box); stroke-width: 2.8px; stroke-linejoin: round;
}
.sv-num.is-cur { fill: var(--shu); }
.sv-num.is-hidden { visibility: hidden; }
.sv-num.is-bad { fill: var(--ng); }
.sv-arrow-line { fill: none; stroke: var(--shu); stroke-width: 1.4; stroke-linecap: round; }
.sv-arrow-head { fill: var(--shu); stroke: none; }
.sv-user .sv-arrow-line { stroke: var(--ink-3); }
.sv-user .sv-arrow-head { fill: var(--ink-3); }
.sv-user .sv-arrow-line.is-bad { stroke: var(--ng); }
.sv-user .sv-arrow-head.is-bad { fill: var(--ng); }
.sv-mine .sv-stroke { stroke: var(--ink); stroke-width: 3.6; }
.sv-mine .sv-stroke.is-bad { stroke: var(--ng); }
.sv-mine .is-dot { fill: var(--ink); stroke: none; }
.sv-mine .is-dot.is-bad { fill: var(--ng); }
.sv-static .sv-stroke { stroke: var(--ink); }
/* key-point markers (StrokeView.keypointGlyph) */
.sv-kpglyph .has-focus .sv-stroke { stroke: var(--line-strong); }
.sv-kpglyph .has-focus .sv-stroke.is-focus { stroke: var(--ink); }
.sv-kp-ring { fill: none; stroke-linecap: round; }
.sv-kp-hit .sv-kp-ring { stroke: var(--ok); stroke-width: 1.3; opacity: 0.8; }
.sv-kp-miss .sv-kp-ring { stroke: var(--redpen); stroke-width: 2.1; }
.sv-kp-weak .sv-kp-ring { stroke: var(--tri); stroke-width: 1.6; stroke-dasharray: 2.6 1.9; }
.sv-kp-info .sv-kp-ring { stroke: var(--shu); stroke-width: 1.6; }
.sv-kp-tag { stroke: var(--box); stroke-width: 1; }
.sv-kp-miss .sv-kp-tag { fill: var(--redpen); }
.sv-kp-weak .sv-kp-tag { fill: var(--tri); }
.sv-kp-info .sv-kp-tag { fill: var(--shu); }
.sv-kp-n { font-family: var(--font-ui); font-size: 6.8px; font-weight: 700; fill: var(--box); }
.sv-kp .sv-arrow-line { stroke-width: 1.3; }
.sv-kp-hit .sv-arrow-line { stroke: var(--ok); }
.sv-kp-hit .sv-arrow-head { fill: var(--ok); }
.sv-kp-miss .sv-arrow-line { stroke: var(--redpen); }
.sv-kp-miss .sv-arrow-head { fill: var(--redpen); }
.sv-kp-weak .sv-arrow-line { stroke: var(--tri); }
.sv-kp-weak .sv-arrow-head { fill: var(--tri); }
.sv-kp-info .sv-arrow-line { stroke: var(--shu); }
.sv-kp-info .sv-arrow-head { fill: var(--shu); }
.sv-kp.is-dim { opacity: 0.22; }

.sv-frames {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); gap: 8px;
}
.sv-frame { position: relative; }
.sv-frame-n {
  position: absolute; left: 5px; top: 2px; font-size: 0.72rem; color: var(--ink-3);
  font-variant-numeric: tabular-nums; pointer-events: none;
}

/* ------------------------------------------------------------------ chart */

.chart { display: grid; gap: 22px; grid-template-columns: minmax(0, 1fr); }
.chart-jump { display: flex; flex-wrap: wrap; gap: 6px; }
.chart-legend { color: var(--ink-3); font-size: 0.86rem; display: flex; align-items: center; gap: 6px; }
.chart-sec { scroll-margin-top: 90px; }
@media (max-width: 559px) { .chart-sec { scroll-margin-top: 124px; } }
.chart-h { font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; margin-bottom: 10px; display: flex; align-items: baseline; gap: 8px; }
.chart-h small { font-family: var(--font-kana); font-weight: 400; font-size: 0.85rem; color: var(--ink-3); }

.ktable { width: 100%; table-layout: fixed; border-collapse: separate; border-spacing: 5px; margin: -5px; width: calc(100% + 10px); }
.kt-corner { width: 1.9rem; }
.kt-col { font-weight: 400; color: var(--ink-3); font-size: 0.82rem; padding: 0 0 2px; letter-spacing: 0.05em; }
.kt-row { font-weight: 400; color: var(--ink-3); font-size: 1rem; text-align: center; padding: 0; vertical-align: middle; }
.kt-cell { padding: 0; vertical-align: top; }

.kcell {
  appearance: none; cursor: pointer; position: relative; width: 100%;
  display: grid; justify-items: center; align-content: center; gap: 2px;
  min-height: 64px; padding: 6px 2px 5px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--card); color: var(--ink);
  touch-action: manipulation;
  transition: border-color 0.12s, background-color 0.12s;
}
.kcell:hover { border-color: var(--guide-strong); background: var(--box); }
.kc-glyph { font-size: clamp(1.45rem, 1rem + 2.6vw, 2.5rem); line-height: 1.1; }
.kc-read { display: flex; flex-wrap: wrap; justify-content: center; gap: 0 4px; font-size: clamp(0.68rem, 0.55rem + 0.55vw, 0.95rem); line-height: 1.25; color: var(--ink-2); }
.kc-romaji { letter-spacing: 0.02em; }
.kc-ko { color: var(--ink-3); }
.s-hira .kc-romaji { color: var(--hira); }
.s-kata .kc-romaji { color: var(--kata); }
.kc-badge {
  position: absolute; top: 3px; right: 3px;
  display: inline-grid; place-items: center;
  width: 16px; height: 16px; border-radius: 50%;
  font-size: 0.66rem; line-height: 1; font-family: var(--font-ui);
  color: var(--shu-ink); background: var(--shu-soft); border: 1px solid var(--shu);
}
.kc-badge-inline { position: static; }
@media (max-width: 559px) { .kcell .kc-badge { width: 14px; height: 14px; font-size: 0.6rem; top: 2px; right: 2px; } }

/* 작은 글자·기호: each glyph in a small 원고지 box, sized so the font's em box fills it (shows size and place) */
.xsec, .ysec { display: grid; gap: 10px; grid-template-columns: minmax(0, 1fr); }
.xgroups { display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr); }
.xgroup { display: grid; gap: 6px; grid-template-columns: minmax(0, 1fr); }
.xgroup-name { font-size: 0.85rem; color: var(--ink-3); }
.xgroup-cells { display: grid; grid-template-columns: repeat(auto-fill, minmax(70px, 1fr)); gap: 6px; max-width: 640px; }
.xcell { padding: 7px 4px 5px; gap: 4px; }
.xcell-box { width: min(100%, 54px); border-width: 1.5px; }
.xcell-glyph { font-size: 2.875rem; line-height: 1; }

/* 요음 reading table */
.ytable { width: min(calc(100% + 10px), 560px); }
.ytable .yt-small { font-size: 1.05rem; color: var(--ink-2); }
.ycell {
  display: grid; justify-items: center; align-content: center; gap: 2px;
  min-height: 64px; padding: 6px 2px 5px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card);
}
.yc-glyphs { display: flex; flex-wrap: wrap; justify-content: center; gap: 0 6px; }
.yc-glyph { font-size: clamp(1.25rem, 0.9rem + 2vw, 2.1rem); line-height: 1.15; }
.yc-glyph.s-hira { color: var(--hira); }
.yc-glyph.s-kata { color: var(--kata); }

.kpair {
  display: grid; gap: 2px; justify-items: center;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card); padding: 3px 2px 4px;
}
.kpair-glyphs { display: flex; gap: 2px; width: 100%; }
.kpair .kcell-sm { min-height: 44px; border-color: transparent; background: transparent; padding: 2px 0; }
.kpair .kcell-sm:hover { border-color: var(--guide-strong); }
.kcell-sm .kc-glyph { font-size: clamp(1.2rem, 0.85rem + 1.8vw, 2rem); }
.kcell-sm.s-hira .kc-glyph { color: var(--hira); }
.kcell-sm.s-kata .kc-glyph { color: var(--kata); }
.kcell-sm .kc-badge { width: 13px; height: 13px; font-size: 0.56rem; top: 0; right: 0; }
@media (max-width: 519px) {
  .kpair-glyphs { flex-direction: column; }
}

.cgroups { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.cgroup {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; display: grid; gap: 8px; align-content: start;
}
.cgroup.is-cross { border-style: dashed; }
.cgroup-chars { display: flex; flex-wrap: wrap; gap: 6px; }
.cg-char {
  appearance: none; cursor: pointer;
  display: grid; justify-items: center; min-width: 56px; min-height: 64px; padding: 4px 8px;
  border: 1.5px solid var(--guide-strong); border-radius: 6px; background: var(--box); color: var(--ink);
}
.cg-char:hover { background: var(--card-2); }
.cg-glyph { font-size: 2rem; line-height: 1.15; }
.cg-read { font-size: 0.78rem; color: var(--ink-2); }
.cg-char.s-hira .cg-read { color: var(--hira); }
.cg-char.s-kata .cg-read { color: var(--kata); }
.cgroup-kind { font-size: 0.78rem; color: var(--ink-3); }
.cgroup-tip { font-size: 0.92rem; color: var(--ink-2); line-height: 1.6; }

/* ------------------------------------------------------------------ dialogs */

dialog { color: var(--ink); }
dialog::backdrop { background: var(--scrim); }
.sheet {
  padding: 0; border: 0;
  width: min(880px, calc(100vw - 32px)); max-width: none;
  max-height: calc(100vh - 32px);
  border-radius: 18px;
  background: var(--card); color: var(--ink);
  box-shadow: var(--shadow-pop);
  overflow: hidden;
}
@supports (height: 100dvh) { .sheet { max-height: calc(100dvh - 32px); } }
.sheet[open] { display: flex; flex-direction: column; }
.sheet-wide { width: min(980px, calc(100vw - 32px)); }
.sheet-panel { overflow-y: auto; overscroll-behavior: contain; display: flex; flex-direction: column; min-height: 0; flex: 1; }
.sheet-head {
  position: sticky; top: 0; z-index: 2;
  display: flex; align-items: flex-start; gap: 14px;
  padding: 16px 18px 12px; background: var(--card);
  border-bottom: 1px solid var(--line);
}
.sheet-h { font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; line-height: 1.3; }
.sheet-body { padding: 16px 18px 22px; display: grid; gap: 22px; }
.sheet-close { margin-left: auto; }
.dialog-fallback { position: fixed; inset: 16px; margin: auto; z-index: 60; }
@media (max-width: 599px) {
  .sheet, .sheet-wide {
    width: 100vw; max-height: 94vh; margin: auto 0 0; border-radius: 18px 18px 0 0;
  }
  @supports (height: 100dvh) { .sheet, .sheet-wide { max-height: 94dvh; } }
  .sheet-head { padding: 12px 16px 10px; }
  .sheet-body { padding: 14px 16px calc(22px + env(safe-area-inset-bottom)); }
}

.cheat-head { align-items: center; justify-content: space-between; }
.cheat-head .btn { flex: none; }
.cheat-note { color: var(--ink-2); font-size: 0.9rem; margin-top: 4px; }

.confirm {
  padding: 0; border: 0; border-radius: 16px; width: min(420px, calc(100vw - 32px));
  background: var(--card); color: var(--ink); box-shadow: var(--shadow-pop);
}
.confirm-panel { padding: 20px; display: grid; gap: 10px; }
.confirm-title { font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; }
.confirm-msg { color: var(--ink-2); }
.confirm-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; flex-wrap: wrap; }

/* detail sheet */
.detail-head { align-items: center; }
.detail-glyph-box { width: 84px; flex: none; }
.detail-glyph { font-size: 3.6rem; line-height: 1; }
.detail-meta { display: grid; gap: 4px; min-width: 0; }
.detail-romaji { font-size: 1.7rem; margin-right: 10px; font-family: var(--font-ui); font-weight: 400; }
.detail-ko { font-size: 1.3rem; color: var(--ink-2); font-family: var(--font-ui); font-weight: 400; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; font-size: 0.92rem; color: var(--ink-2); }
.meta-count { font-variant-numeric: tabular-nums; }
.meta-alt { color: var(--ink-3); }
.detail-hint { font-size: 0.92rem; color: var(--shu-ink); }
.detail-name { font-family: var(--font-head); font-weight: 700; }

/* extras: the char in a 원고지 cell next to its full-size twin */
.cell-sec { justify-items: start; }
.cell-figs { display: flex; flex-wrap: wrap; gap: 14px; }
.cell-fig { margin: 0; display: grid; gap: 6px; justify-items: center; width: min(44%, 160px); }
.cell-fig figcaption { font-size: 0.9rem; color: var(--ink-2); text-align: center; }
.cell-fig.is-big .sv-static .sv-stroke { stroke: var(--ink-3); }
.cell-note { font-size: 0.95rem; line-height: 1.65; }

.variant-switch { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }
.vbtn {
  appearance: none; cursor: pointer; text-align: left; color: var(--ink);
  display: grid; gap: 2px; min-height: 56px; padding: 8px 12px;
  border: 1.5px solid var(--line-strong); border-radius: 12px; background: var(--card);
}
.vbtn:hover { border-color: var(--ink-3); }
.vbtn[aria-pressed="true"] { border-color: var(--shu); background: var(--shu-soft); box-shadow: inset 0 0 0 1px var(--shu); }
.vbtn-kind { font-size: 0.78rem; color: var(--ink-3); }
.vbtn-label { font-size: 0.95rem; }

.detail-grid { display: grid; gap: 18px; }
@media (min-width: 700px) {
  .detail-grid { grid-template-columns: minmax(240px, 0.95fr) minmax(0, 1.05fr); align-items: start; }
}
.player-col { display: grid; gap: 10px; justify-items: center; }
.player { width: min(100%, 320px); }
.player-ctrl { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px; }
.step-label { min-width: 4.5em; text-align: center; color: var(--ink-2); font-variant-numeric: tabular-nums; font-size: 0.95rem; }
.frames-col { display: grid; gap: 6px; align-content: start; }
.frames-col .sv-frames { margin-top: 6px; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); }
.detail-sec { display: grid; gap: 10px; }
.practice-grid { display: grid; gap: 14px; }
@media (min-width: 700px) {
  .practice-grid { grid-template-columns: minmax(240px, 300px) minmax(0, 1fr); align-items: start; }
}
.practice-left { display: grid; gap: 8px; }
/* as wide as the column, but short enough that 채점, the tools and the whole box fit the sheet together on a phone */
.practice-pad { width: min(100%, max(15rem, calc(94vh - 17.5rem))); justify-self: center; }
@supports (height: 100svh) { .practice-pad { width: min(100%, max(15rem, calc(94svh - 17.5rem))); } }
.practice-grade { width: 100%; }
.practice-out:empty { display: none; }

/* 구별 포인트 in the detail sheet */
.kp-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 12px; }
.kp-toggle { color: var(--ink-2); }
.kp-body { display: grid; gap: 10px; }
.kp-layout { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 560px) {
  .kp-layout { grid-template-columns: minmax(160px, 220px) minmax(0, 1fr); align-items: start; }
}
.kp-fig { width: min(100%, 220px); justify-self: center; }
.kp-groups { display: grid; gap: 10px; min-width: 0; }
.kp-group { display: grid; gap: 6px; padding: 8px 12px 10px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card-2); }
.kp-gbtn {
  appearance: none; cursor: pointer; color: var(--ink); justify-self: start;
  display: inline-flex; align-items: center; gap: 0; min-height: 44px; padding: 2px 12px 2px 8px;
  border: 1.5px solid var(--line-strong); border-radius: 10px; background: var(--card); font-size: 0.98rem;
}
.kp-gbtn:hover { border-color: var(--ink-3); }
.kp-gbtn[aria-pressed="true"] { border-color: var(--shu); background: var(--shu-soft); box-shadow: inset 0 0 0 1px var(--shu); }
.kp-gglyph { font-size: 1.6rem; line-height: 1; }
.kp-gglyph + .kp-gtext { margin-left: 1px; }
.kp-gcount { color: var(--ink-3); font-size: 0.82rem; margin-left: 8px; }
.kp-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: 0.94rem; }
.kp-list li { display: flex; gap: 8px; align-items: baseline; }

.look-group { display: grid; gap: 6px; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card-2); }
.look-chars { display: flex; flex-wrap: wrap; gap: 6px; }
.look-char {
  appearance: none; cursor: pointer; color: var(--ink);
  display: grid; justify-items: center; min-width: 56px; min-height: 60px; padding: 4px 8px;
  border: 1.5px solid var(--guide-strong); border-radius: 6px; background: var(--box);
}
.look-char:hover { background: var(--card); }
.look-char.is-self { cursor: default; border-color: var(--line-strong); border-style: dashed; opacity: 0.85; }
.look-glyph { font-size: 1.9rem; line-height: 1.15; }
.look-read { font-size: 0.78rem; color: var(--ink-2); }
.look-tip { font-size: 0.92rem; color: var(--ink-2); line-height: 1.6; }

.pair-link {
  appearance: none; cursor: pointer; color: var(--ink); text-align: left;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px;
  padding: 10px 14px; min-height: 64px; width: 100%;
  border: 1.5px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--card);
}
.pair-link:hover { background: var(--card-2); }
.pair-link.s-hira { border-color: var(--hira-line); }
.pair-link.s-kata { border-color: var(--kata-line); }
.pair-glyph { font-size: 2.4rem; line-height: 1; }
.pair-text { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; color: var(--ink-2); }

/* ------------------------------------------------------------------ results */

.result-summary { display: grid; gap: 16px; }
.score-tiles { display: flex; flex-wrap: wrap; gap: 10px; }
.score-tile {
  flex: 1 1 110px; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; align-items: center;
  column-gap: 10px; padding: 10px 14px; border-radius: var(--radius); border: 1.5px solid;
}
.score-tile .mk { grid-row: 1 / span 2; }
.tile-n { font-size: 2rem; line-height: 1; font-variant-numeric: tabular-nums; }
.tile-label { font-size: 0.85rem; }
.tile-o { background: var(--ok-bg); border-color: var(--ok-line); color: var(--ok); }
.tile-t { background: var(--tri-bg); border-color: var(--tri-line); color: var(--tri); }
.tile-x { background: var(--ng-bg); border-color: var(--ng-line); color: var(--ng); }
.tile-cheat { background: var(--card-2); border-color: var(--line-strong); border-style: dashed; color: var(--ink-2); grid-template-columns: 1fr; }
.result-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.result-list { margin-top: 22px; display: grid; gap: 10px; }
.qlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.qrow { display: grid; gap: 6px; }
.qitem {
  appearance: none; cursor: pointer; text-align: left; color: var(--ink); width: 100%;
  display: grid; grid-template-columns: 1.8em auto minmax(0, 1fr) auto auto auto; align-items: center; gap: 10px;
  min-height: 56px; padding: 6px 12px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card);
}
.qitem:hover { border-color: var(--line-strong); background: var(--box); }
.qitem[aria-expanded="true"] { border-color: var(--ink-3); }
.qi-n { color: var(--ink-3); font-size: 0.82rem; font-variant-numeric: tabular-nums; }
.qi-glyph { font-size: 1.9rem; line-height: 1; min-width: 1.2em; text-align: center; }
.qi-read { display: flex; gap: 8px; flex-wrap: wrap; }
.qi-ko { color: var(--ink-3); }
.qi-given { color: var(--ink-2); font-size: 0.9rem; }
.qi-given:empty { display: none; }
.qi-given.is-input { text-decoration: line-through; text-decoration-color: var(--redpen); text-decoration-thickness: 2px; }
.qi-given.is-skip { color: var(--ink-3); }
.qi-rec { font-size: 1.3em; color: var(--ng); }
.qdetail { padding: 0 0 8px; display: grid; gap: 10px; justify-items: start; }
.qdetail > .fb, .qdetail > .wres { width: 100%; }
@media (max-width: 479px) {
  .qitem { grid-template-columns: 1.4em auto minmax(0, 1fr) auto; }
  .qi-given { grid-column: 3 / -1; grid-row: 2; }
  .qitem .cheat-tag { grid-column: 3; grid-row: 2; justify-self: end; }
}

/* ------------------------------------------------------------------ records */

.records-page { display: grid; gap: 22px; }
.records-page .page-head { margin-bottom: 0; }
.totals { display: flex; flex-wrap: wrap; gap: 14px 28px; }
.total { display: grid; gap: 2px; }
.total-n { font-size: 1.8rem; line-height: 1.1; font-variant-numeric: tabular-nums; }
.total-marks { display: flex; gap: 6px; flex-wrap: wrap; min-height: 2rem; align-items: center; }
.total-l { font-size: 0.85rem; color: var(--ink-3); }
.rec-sec { display: grid; gap: 12px; align-content: start; }
.rec-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; }
.rec-cols { display: grid; gap: 16px; }
@media (min-width: 800px) { .rec-cols { grid-template-columns: 1fr 1fr; align-items: start; } }

.mastery-legend { display: flex; flex-wrap: wrap; gap: 6px 12px; font-size: 0.82rem; color: var(--ink-2); align-items: center; }
.lg { display: inline-flex; align-items: center; gap: 6px; }
.lg::before { content: ""; width: 14px; height: 14px; border-radius: 4px; border: 1px solid var(--line-strong); }
.lg-high::before { background: var(--m-high); }
.lg-mid::before { background: var(--m-mid); }
.lg-low::before { background: var(--m-low); }
.lg-none::before { background: var(--card); }
.lg-bars { display: inline-flex; align-items: center; gap: 6px; }
.lg-bars .mbar { width: 40px; }
.mastery-grid { display: grid; gap: 14px; }
.mcell { min-height: 62px; gap: 4px; padding-bottom: 6px; }
.mcell.lv-high { background: var(--m-high); }
.mcell.lv-mid { background: var(--m-mid); }
.mcell.lv-low { background: var(--m-low); }
.mcell.lv-none .kc-glyph { color: var(--ink-3); }
.mbars { display: grid; gap: 3px; width: 78%; }
.mbar { display: flex; height: 5px; border-radius: 3px; background: var(--line); overflow: hidden; }
.mbar-fill { display: block; height: 100%; background: var(--hira); }
.mseg { display: block; height: 100%; flex-basis: 0; }
.mseg-o { background: var(--ok); }
.mseg-t { background: var(--tri); }
.mseg-x { background: var(--ng); }
.cell-info:empty { display: none; }
.cell-info-card { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; padding: 12px 16px; }
.ci-glyph { font-size: 3rem; line-height: 1; }
.ci-text { display: grid; gap: 2px; flex: 1; min-width: 180px; }
.ci-title { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 1.05rem; }
.ci-write { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.ci-words { font-size: 0.85rem; color: var(--ink-3); }

.conf-list, .session-list, .trouble-list { list-style: none; margin: 0; padding: 0; }
.conf-list { display: grid; gap: 10px; }
.conf-item { display: grid; gap: 4px; padding-bottom: 10px; border-bottom: 1px dashed var(--line); }
.conf-item:last-child { border-bottom: 0; padding-bottom: 0; }
.conf-pair { display: flex; align-items: center; gap: 8px; }
.conf-glyph {
  appearance: none; cursor: pointer; color: var(--ink);
  display: grid; place-items: center; width: 52px; height: 52px;
  border: 1.5px solid var(--guide-strong); border-radius: 6px; background: var(--box);
  font-size: 1.8rem; line-height: 1;
}
.conf-vs { color: var(--ink-3); }
.conf-count { margin-left: auto; color: var(--ng); font-variant-numeric: tabular-nums; }
.conf-tip { color: var(--ink-2); font-size: 0.9rem; line-height: 1.55; }
.trouble-list { display: flex; flex-wrap: wrap; gap: 8px; }
.trouble-item {
  appearance: none; cursor: pointer; color: var(--ink);
  display: grid; justify-items: center; min-width: 60px; min-height: 64px; padding: 4px 8px;
  border: 1.5px solid var(--tri-line); border-radius: 8px; background: var(--tri-bg);
}
.trouble-glyph { font-size: 1.9rem; line-height: 1.1; }
.trouble-n { font-size: 0.78rem; color: var(--tri); }
.session-list { display: grid; }
.session {
  display: grid; grid-template-columns: auto 1fr auto; gap: 4px 12px; align-items: center;
  padding: 10px 0; border-bottom: 1px dashed var(--line);
}
.session:last-child { border-bottom: 0; }
.ses-date { color: var(--ink-3); font-size: 0.85rem; font-variant-numeric: tabular-nums; }
.ses-marks { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
@media (max-width: 559px) {
  .session { grid-template-columns: 1fr; }
  .ses-marks { justify-content: flex-start; }
}
.empty { color: var(--ink-3); }
.rec-reset { justify-items: start; }

/* 판정 신고 (judge reports) on 기록 */
.rep-sec .sec-h:focus { outline: none; }
.rep-list { list-style: none; margin: 0; padding: 0; display: grid; }
.rep-item {
  display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: 4px 12px; align-items: start;
  padding: 10px 0; border-bottom: 1px dashed var(--line);
}
.rep-item:last-child { border-bottom: 0; }
.rep-thumb { width: 64px; }
.rep-main { display: grid; gap: 2px; min-width: 0; }
.rep-title { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.rep-glyph { font-size: 1.6rem; line-height: 1.1; }
.rep-rec { color: var(--ink-2); font-size: 0.92rem; }
.rep-kindtext { font-size: 0.92rem; }
.rep-usernote { color: var(--ink-2); font-size: 0.9rem; }
.rep-meta { color: var(--ink-3); font-size: 0.82rem; font-variant-numeric: tabular-nums; }
.rep-del { width: 40px; height: 40px; }
@media (pointer: coarse) { .rep-del { width: 44px; height: 44px; } }
.rep-more { justify-self: start; }
.rep-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.rep-export { display: grid; gap: 8px; }
.rep-json { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: 0.78rem; line-height: 1.45; white-space: pre; overflow-wrap: normal; }
.rep-export-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.rep-copy-status { color: var(--ink-2); font-size: 0.9rem; }

/* ------------------------------------------------------------------ toast */

.toast {
  position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); z-index: 80;
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  max-width: min(92vw, 440px); padding: 10px 18px; border-radius: 12px;
  background: var(--toast-bg); color: var(--toast-ink); box-shadow: var(--shadow-pop);
  transition: opacity 0.2s, transform 0.2s; font-size: 0.95rem; text-align: center;
}
.toast:empty { display: none; }
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ------------------------------------------------------------------ motion */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important; animation-delay: 0s !important;
    transition-duration: 0.01ms !important; scroll-behavior: auto !important;
  }
  .mk path { animation: none !important; stroke-dashoffset: 0; }
}