:root {
  --ink: #18322b;
  --muted: #66756f;
  --paper: #fffdf8;
  --cream: #f4f0e5;
  --cream-dark: #e7dfcd;
  --green: #1f5c49;
  --green-dark: #153e33;
  --green-soft: #dcebe3;
  --coral: #dc765f;
  --coral-soft: #f7dfd8;
  --gold: #d4a33d;
  --red: #a83d34;
  --white: #ffffff;
  --shadow: 0 16px 48px rgba(26, 53, 45, .10);
  --radius: 18px;
  --sidebar: 258px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 4%, rgba(212,163,61,.12), transparent 24rem),
    var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", sans-serif;
  line-height: 1.6;
}

button, input, select { font: inherit; }
button { color: inherit; }

.skip-link {
  position: fixed; left: 1rem; top: -4rem; z-index: 100;
  background: var(--green); color: white; padding: .7rem 1rem; border-radius: 8px;
}
.skip-link:focus { top: 1rem; }

.topbar {
  height: 76px; position: fixed; inset: 0 0 auto 0; z-index: 20;
  display: flex; align-items: center; padding: 0 28px;
  background: rgba(255,253,248,.92); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(24,50,43,.09);
}

.brand { display: flex; align-items: center; gap: 12px; border: 0; background: none; cursor: pointer; text-align: left; }
.brand-mark {
  width: 46px; height: 46px; display: block; flex: 0 0 auto; border-radius: 14px;
  box-shadow: 0 7px 18px rgba(24,57,47,.2);
}
.brand strong, .brand small { display: block; }
.brand strong { font-family: Georgia, "Noto Serif", serif; font-size: 1.12rem; letter-spacing: -.02em; }
.brand small { color: var(--muted); font-size: .72rem; margin-top: -3px; }

.global-tools { min-width: 0; margin-left: auto; display: flex; align-items: center; gap: 8px; }
.reading-controls, .reading-switches { display: flex; align-items: center; gap: 8px; }
.mobile-helper-trigger, .mobile-helper-heading, .mobile-helper-copy { display: none; }
.switch { cursor: pointer; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch span {
  display: inline-flex; align-items: center; min-height: 36px; padding: 5px 12px; border-radius: 999px;
  background: var(--cream); border: 1px solid var(--cream-dark); color: var(--muted); font-size: .82rem; font-weight: 700;
}
.switch input:checked + span { background: var(--green-soft); border-color: #bad4c5; color: var(--green-dark); }
.switch input:focus-visible + span { outline: 3px solid rgba(220,118,95,.35); outline-offset: 2px; }
.helper-info { position: relative; display: grid; place-items: center; }
.helper-help { width: 30px; height: 30px; padding: 0; border: 1px solid var(--cream-dark); border-radius: 50%; background: white; color: var(--green); cursor: help; font-size: .78rem; font-weight: 900; }
.helper-help:hover, .helper-help:focus-visible { outline: 3px solid rgba(31,92,73,.13); border-color: var(--green); }
.custom-tooltip {
  position: fixed; top: 65px; right: 20px; z-index: 40; width: min(330px, calc(100vw - 24px));
  display: grid; gap: 5px; padding: 15px 17px; border: 1px solid #cbd9d1; border-radius: 12px;
  color: var(--ink); background: white; box-shadow: 0 15px 40px rgba(24,50,43,.18);
  opacity: 0; visibility: hidden; transform: translateY(-5px); pointer-events: none; transition: .16s;
  font-size: .78rem; line-height: 1.45;
}
.custom-tooltip strong { font-family: Georgia, serif; font-size: .98rem; }
.custom-tooltip span { color: var(--muted); }
.custom-tooltip b { color: var(--green-dark); }
.custom-tooltip small { padding-top: 5px; margin-top: 3px; border-top: 1px solid var(--cream-dark); color: var(--muted); }
.helper-info:hover .custom-tooltip, .helper-info:focus-within .custom-tooltip { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }

.app-shell { display: grid; grid-template-columns: var(--sidebar) 1fr; min-height: 100vh; padding-top: 76px; }
.sidebar {
  position: fixed; top: 76px; bottom: 0; left: 0; width: var(--sidebar); z-index: 15;
  display: flex; flex-direction: column; padding: 24px 18px 18px;
  background: #f7f3e9; border-right: 1px solid var(--cream-dark);
}
.sidebar nav { flex: 1; }
.nav-label { margin: 28px 12px 9px; color: #8a918d; font-size: .68rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.nav-item {
  width: 100%; display: grid; grid-template-columns: 32px 1fr; align-items: center; gap: 8px;
  padding: 10px 12px; border: 0; border-radius: 11px; background: transparent; cursor: pointer; text-align: left;
  color: #52635d; font-size: .9rem; font-weight: 650;
}
.nav-item:hover { background: rgba(255,255,255,.72); color: var(--ink); }
.nav-item.active { background: var(--white); color: var(--green-dark); box-shadow: 0 4px 18px rgba(38,58,51,.07); }
.nav-icon { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 9px; background: var(--cream-dark); font-weight: 800; font-size: .8rem; }
.nav-item.active .nav-icon { color: white; background: var(--green); }
.nav-item small { display: block; color: var(--muted); font-size: .68rem; font-weight: 500; }

.sidebar-footer { padding: 14px 8px 0; border-top: 1px solid var(--cream-dark); }
.legal-links { display: flex; align-items: center; gap: 8px; margin-top: 4px; color: #9a9f9c; }
.legal-links .text-button { display: inline-flex; padding: 3px 0; }
.data-actions { display: flex; gap: 12px; margin: 5px 0 2px; }
.mini-progress { font-size: .72rem; color: var(--muted); }
.progress-track { height: 5px; margin: 7px 0 8px; background: #ded8c9; border-radius: 9px; overflow: hidden; }
.progress-track i { display: block; height: 100%; width: 0; background: var(--coral); border-radius: inherit; transition: width .3s; }
.text-button { border: 0; background: none; padding: 2px 0; color: var(--green); font-size: .74rem; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }

main { grid-column: 2; width: 100%; min-width: 0; }
.page { max-width: 1120px; margin: 0 auto; padding: 52px clamp(28px, 5vw, 78px) 88px; }

.eyebrow { margin: 0 0 8px; color: var(--coral); font-size: .73rem; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3 { font-family: Georgia, "Yu Mincho", "Noto Serif JP", serif; line-height: 1.16; letter-spacing: -.025em; }
h1 { max-width: 760px; margin: 0; font-size: clamp(2.35rem, 5vw, 4.5rem); font-weight: 500; }
h2 { margin: 0 0 20px; font-size: clamp(1.65rem, 3vw, 2.35rem); font-weight: 550; }
h3 { margin: 0 0 11px; font-size: 1.24rem; }
.lede { max-width: 680px; margin: 19px 0 0; color: var(--muted); font-size: 1.04rem; }
.hero { position: relative; padding: 42px 0 54px; }
.hero::after { content: "あ"; position: absolute; right: 2%; top: -22px; color: rgba(31,92,73,.055); font-family: Georgia, serif; font-size: clamp(10rem, 25vw, 19rem); line-height: 1; pointer-events: none; }

.stat-row { display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.stat-pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 13px; border: 1px solid var(--cream-dark); border-radius: 999px; background: rgba(255,255,255,.7); color: var(--muted); font-size: .8rem; }
.stat-pill strong { color: var(--ink); }

.chapter-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.chapter-card {
  position: relative; overflow: hidden; display: flex; flex-direction: column; min-height: 330px; padding: 25px;
  border: 1px solid var(--cream-dark); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow);
}
.chapter-card::before { content: ""; position: absolute; width: 150px; height: 150px; right: -65px; top: -70px; border-radius: 50%; background: var(--tint, var(--green-soft)); }
.chapter-number { position: relative; color: var(--coral); font-size: .72rem; font-weight: 850; letter-spacing: .13em; }
.chapter-jp { position: relative; margin: 28px 0 7px; font-family: "Yu Mincho", "Noto Serif JP", serif; font-size: 2rem; }
.chapter-card h3 { font-family: inherit; font-size: 1.12rem; }
.chapter-card p { margin: 0; color: var(--muted); font-size: .86rem; }
.chapter-meta { margin-top: auto; padding-top: 20px; }
.card-progress { display: flex; justify-content: space-between; margin-bottom: 7px; font-size: .72rem; color: var(--muted); }
.card-actions { display: flex; gap: 8px; margin-top: 18px; }

.primary-button, .secondary-button, .small-button {
  border-radius: 10px; cursor: pointer; font-weight: 750; transition: transform .15s, background .15s;
}
.primary-button { border: 1px solid var(--green); background: var(--green); color: white; padding: 10px 15px; }
.primary-button:hover { background: var(--green-dark); transform: translateY(-1px); }
.secondary-button { border: 1px solid var(--cream-dark); background: var(--paper); padding: 10px 15px; }
.secondary-button:hover { border-color: #b9c8c1; background: white; }
.small-button { border: 1px solid var(--cream-dark); background: white; padding: 7px 11px; font-size: .78rem; }

.chapter-header { padding: 30px 0 26px; }
.chapter-header h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
.chapter-kicker { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; color: var(--muted); font-size: .78rem; font-weight: 750; }
.chapter-kicker span { color: var(--coral); }
.tabs { position: sticky; top: 76px; z-index: 8; display: flex; gap: 4px; padding: 8px; margin: 0 0 34px; border: 1px solid var(--cream-dark); border-radius: 13px; background: rgba(247,243,233,.93); backdrop-filter: blur(12px); }
.tab { flex: 1; border: 0; border-radius: 8px; background: transparent; padding: 9px 12px; color: var(--muted); cursor: pointer; font-weight: 750; font-size: .85rem; }
.tab.active { background: white; color: var(--green-dark); box-shadow: 0 2px 10px rgba(26,53,45,.08); }

.lesson-section { padding: 32px 0 38px; border-bottom: 1px solid var(--cream-dark); }
.lesson-section:first-child { padding-top: 0; }
.section-intro { max-width: 760px; color: var(--muted); }
.lesson-block { margin: 20px 0; }
.lesson-section-actions { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 25px; }
.quiz-cta {
  display: inline-flex; align-items: center; gap: 11px; padding: 10px 15px 10px 10px;
  border: 1px solid #b9d2c4; border-radius: 13px; color: var(--green-dark);
  background: linear-gradient(135deg, #e5f1e9, #fff8e9); cursor: pointer; text-align: left;
  box-shadow: 0 7px 20px rgba(31,92,73,.08); transition: transform .15s, box-shadow .15s;
}
.quiz-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(31,92,73,.13); }
.quiz-cta:focus-visible { outline: 3px solid rgba(31,92,73,.18); outline-offset: 2px; }
.quiz-cta-mark { display: grid; place-items: center; width: 35px; height: 35px; border-radius: 11px; color: white; background: var(--green); font-family: Georgia, serif; font-size: 1.15rem; font-weight: 800; }
.quiz-cta strong, .quiz-cta small { display: block; }
.quiz-cta strong { font-family: Georgia, serif; font-size: .96rem; }
.quiz-cta small { margin-top: -2px; color: var(--muted); font-size: .66rem; font-weight: 600; }
.note-block { padding: 17px 19px; border-left: 4px solid var(--gold); border-radius: 0 12px 12px 0; background: #fff7de; }
.note-block strong { display: block; margin-bottom: 4px; }
.example-list { display: grid; gap: 10px; }
.example {
  display: grid; grid-template-columns: minmax(180px, 1.1fr) minmax(150px, .9fr) minmax(160px, 1fr); gap: 16px; align-items: center;
  padding: 14px 16px; border: 1px solid var(--cream-dark); border-radius: 12px; background: white;
}
.jp, ruby, rt { font-family: "BIZ UDPGothic", "Yu Gothic UI", Meiryo, "Noto Sans JP", sans-serif; }
.jp { line-height: 2; }
.chapter-header .lede.jp { font-size: 1.22rem; line-height: 2; }
.example .jp { font-size: 1.34rem; font-weight: 680; line-height: 2.05; }
.romaji { color: var(--green); font-size: .98rem; line-height: 1.55; }
.english { color: var(--muted); font-size: .9rem; line-height: 1.55; }
body.hide-romaji .romaji { display: none !important; }
body.hide-romaji .table-romaji-column { display: none !important; }
body.hide-english .english { display: none !important; }
body.hide-furigana rt { display: none !important; }
body.hide-romaji.hide-english .example { grid-template-columns: 1fr; }
body.hide-romaji .example { grid-template-columns: 1.2fr 1fr; }
body.hide-english .example { grid-template-columns: 1.2fr 1fr; }

ruby { ruby-position: over; ruby-align: center; font-size: 1.08em; }
rt { color: var(--green); font-size: .7em; font-weight: 750; line-height: 1; letter-spacing: .025em; }

.table-wrap { overflow-x: auto; border: 1px solid var(--cream-dark); border-radius: 13px; background: white; }
.lesson-table { width: 100%; border-collapse: collapse; font-size: 1rem; }
.lesson-table th, .lesson-table td { padding: 14px; text-align: left; border-bottom: 1px solid #eee8dc; }
.lesson-table td { line-height: 2.05; }
.lesson-table td ruby { font-size: 1.2em; font-weight: 680; }
.lesson-table tr:last-child td { border-bottom: 0; }
.lesson-table th { color: var(--green-dark); background: #edf4ef; font-size: .84rem; letter-spacing: .03em; }
.lesson-table td:first-child { font-weight: 680; }
.table-cell-main { display: block; }
.cell-romaji { display: block; margin-top: 2px; color: var(--green); font-size: .72rem; font-weight: 620; line-height: 1.25; letter-spacing: .015em; }

.practice-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.practice-toolbar h2 { margin: 0; }
.toolbar-copy { max-width: 650px; margin: 7px 0 0; color: var(--muted); font-size: .88rem; }
.practice-controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.select-wrap { display: grid; gap: 3px; color: var(--muted); font-size: .68rem; font-weight: 700; }
select { min-height: 38px; padding: 5px 28px 5px 10px; border: 1px solid var(--cream-dark); border-radius: 9px; background: white; color: var(--ink); }

.number-control-panel {
  display: grid; grid-template-columns: 1.35fr .8fr .8fr 1.35fr .72fr .85fr; gap: 10px;
  padding: 17px; margin-bottom: 16px; border: 1px solid var(--cream-dark); border-radius: 15px;
  background: linear-gradient(135deg, #f7f3e9, #edf4ef);
}
.control-field { display: grid; align-content: start; gap: 5px; color: var(--muted); font-size: .7rem; font-weight: 780; letter-spacing: .02em; }
.control-field select, .control-field input {
  width: 100%; min-height: 42px; padding: 7px 10px; border: 1px solid #d7d0c1; border-radius: 9px;
  background: white; color: var(--ink); font-size: .88rem; font-weight: 600;
}
.control-field select:focus, .control-field input:focus { outline: 3px solid rgba(31,92,73,.13); border-color: var(--green); }
.lifetime-stat { color: var(--muted); }

.adaptive-overview { display: grid; gap: 14px; }
.readiness-card {
  display: grid; grid-template-columns: 122px 1fr; gap: 24px; align-items: center;
  padding: 25px 28px; border: 1px solid var(--cream-dark); border-radius: 18px;
  background: linear-gradient(135deg, #edf4ef, #fffaf0); box-shadow: var(--shadow);
}
.readiness-card h2 { margin-bottom: 7px; }
.readiness-card p:last-child { max-width: 670px; margin: 0; color: var(--muted); font-size: .9rem; }
.readiness-ring { position: relative; width: 108px; height: 108px; display: grid; place-items: center; }
.readiness-ring svg { position: absolute; inset: 0; transform: rotate(-90deg); }
.readiness-ring circle { fill: none; stroke-width: 9; }
.ring-track { stroke: #d9dfd8; }
.ring-value { stroke: var(--coral); stroke-linecap: round; transition: stroke-dashoffset .4s; }
.readiness-ring strong { margin-top: -8px; font-family: Georgia, serif; font-size: 1.6rem; }
.readiness-ring span { position: absolute; top: 63px; color: var(--muted); font-size: .65rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.learning-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.learning-metrics div { display: grid; padding: 15px 18px; border: 1px solid var(--cream-dark); border-radius: 12px; background: white; }
.learning-metrics strong { font-family: Georgia, serif; font-size: 1.3rem; }
.learning-metrics span { color: var(--muted); font-size: .72rem; }
.weakness-card { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 17px 20px; border-radius: 13px; background: var(--cream); }
.weakness-card h3, .weakness-card p { margin: 0; }
.weakness-card > p { max-width: 580px; color: var(--muted); font-size: .82rem; }
.weakness-list { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.weakness-list span { padding: 6px 10px; border: 1px solid #e2cbbb; border-radius: 99px; background: #fff8f1; color: #87382f; font-size: .73rem; font-weight: 750; }
.practice-start-row { display: flex; gap: 10px; align-items: center; margin: 23px 0 7px; }
.large-button { padding: 13px 21px; font-size: .96rem; }
.privacy-note { margin: 0 0 17px; color: var(--muted); font-size: .75rem; }
.customize-panel { border: 1px solid var(--cream-dark); border-radius: 13px; background: white; }
.customize-panel summary { padding: 13px 16px; cursor: pointer; color: var(--green); font-size: .82rem; font-weight: 800; }
.customize-panel .number-control-panel { margin: 0; border: 0; border-top: 1px solid var(--cream-dark); border-radius: 0 0 12px 12px; }
.custom-start { align-self: end; min-height: 42px; }
.next-set-bar { display: flex; justify-content: center; padding-top: 26px; }
.exam-readiness-line { margin-top: 12px !important; }

.focused-session { max-width: 980px; min-height: calc(100vh - 265px); margin: 0 auto; }
.focus-session-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 15px; }
.focus-session-header h2 { margin: 0; font-size: clamp(1.35rem, 2.5vw, 1.9rem); }
.focus-progress { margin-bottom: 15px; }
.focus-progress > div:first-child { display: flex; justify-content: space-between; gap: 15px; color: var(--muted); font-size: .75rem; font-weight: 750; }
.focus-progress .progress-track { height: 7px; margin-top: 8px; }
.focused-question-stage { display: grid; }
.question-card.focused-question {
  min-height: clamp(370px, 51vh, 610px); padding: clamp(25px, 4vw, 46px);
  display: flex; flex-direction: column; justify-content: center;
  box-shadow: 0 18px 55px rgba(30,54,47,.09);
}
.focused-question .question-topline { position: absolute; inset: 22px 24px auto; }
.focused-question .question-context { margin-bottom: 12px; font-size: .9rem; }
.focused-question .question-prompt { max-width: 850px; font-size: clamp(1.7rem, 3vw, 2.45rem); line-height: 2.05; }
.focused-question .question-hints { margin: 2px 0 25px; }
.focused-question .romaji { font-size: 1.08rem; }
.focused-question .english { font-size: 1rem; }
.focused-question .option-grid { gap: 11px; }
.focused-question .option { min-width: 76px; padding: 12px 18px; font-size: 1.22rem; }
.focused-question .answer-input { width: min(100%, 650px); padding: 14px 16px; font-size: 1.16rem; }
.focused-question .check-one { min-width: 86px; font-size: .9rem; }
.focused-question .feedback { margin-top: 20px; padding: 15px 17px; font-size: .92rem; }
.focus-navigation {
  display: grid; grid-template-columns: minmax(120px, auto) 1fr minmax(150px, auto); gap: 15px; align-items: center;
  padding: 16px 0 0;
}
.focus-navigation p { margin: 0; color: var(--muted); text-align: center; font-size: .78rem; }
.focus-navigation p.counting { display: flex; justify-content: center; align-items: center; gap: 8px; flex-wrap: wrap; }
.auto-advance-pill { display: inline-flex; align-items: baseline; gap: 4px; padding: 6px 11px; border: 0; border-radius: 999px; color: var(--green-dark); background: var(--green-soft); cursor: pointer; font: inherit; font-weight: 800; }
.auto-advance-pill:hover, .auto-advance-pill:focus-visible { outline: 2px solid rgba(31,92,73,.22); outline-offset: 2px; }
.auto-advance-pill strong { min-width: 1ch; color: var(--coral); font-size: 1.08rem; font-variant-numeric: tabular-nums; }
.focus-navigation p.counting small { color: var(--muted); font-size: .66rem; }
.auto-advance-paused { display: inline-block; padding: 5px 10px; border: 0; border-radius: 999px; background: var(--cream); color: var(--muted); cursor: pointer; font: inherit; font-weight: 750; }
.focus-navigation button:last-child { justify-self: end; }
.focus-navigation button:disabled, .secondary-button:disabled { cursor: default; opacity: .38; transform: none; }
.completion-screen { display: grid; place-items: center; align-content: center; min-height: calc(100vh - 245px); padding: 45px 20px; text-align: center; }
.completion-mark { display: grid; place-items: center; width: 86px; height: 86px; margin-bottom: 20px; border-radius: 50%; background: var(--green-soft); color: var(--green); font-size: 2.7rem; font-weight: 800; }
.completion-screen h2 { margin-bottom: 10px; }
.completion-screen > p:not(.eyebrow) { max-width: 600px; margin: 0; color: var(--muted); }
.completion-metrics { display: flex; gap: 12px; margin: 25px 0; }
.completion-metrics span { min-width: 150px; padding: 12px 16px; border: 1px solid var(--cream-dark); border-radius: 11px; background: white; color: var(--muted); font-size: .78rem; }
.completion-metrics strong { display: block; color: var(--ink); font-family: Georgia, serif; font-size: 1.25rem; }
.completion-actions { display: flex; justify-content: center; align-items: center; gap: 10px; flex-wrap: wrap; }

body.modal-open { overflow: hidden; }
#lesson-quiz-modal { position: fixed; inset: 0; z-index: 80; }
#auto-advance-settings-modal { position: fixed; inset: 0; z-index: 90; }
.timer-settings-backdrop { width: 100%; height: 100%; display: grid; place-items: center; padding: 24px; background: rgba(15,35,29,.58); backdrop-filter: blur(5px); }
.timer-settings-dialog { position: relative; width: min(520px, 100%); padding: 30px; border: 1px solid rgba(255,255,255,.7); border-radius: 20px; background: var(--paper); box-shadow: 0 28px 90px rgba(8,25,19,.32); }
.timer-settings-dialog > .quiz-close { position: absolute; top: 18px; right: 18px; }
.timer-settings-dialog h2 { margin: 0 0 9px; }
.timer-settings-dialog > p:not(.eyebrow) { margin: 0 0 23px; color: var(--muted); font-size: .86rem; line-height: 1.7; }
.timer-toggle { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 15px 16px; border: 1px solid var(--cream-dark); border-radius: 12px; background: white; cursor: pointer; }
.timer-toggle span { display: grid; gap: 3px; }
.timer-toggle small { color: var(--muted); font-size: .73rem; }
.timer-toggle input { width: 22px; height: 22px; accent-color: var(--green); }
.timer-duration { display: grid; gap: 7px; margin-top: 15px; }
.timer-duration span { display: flex; align-items: center; gap: 9px; color: var(--muted); font-weight: 650; }
.timer-duration input { width: 92px; padding: 10px 12px; border: 1px solid var(--cream-dark); border-radius: 9px; background: white; font: inherit; }
.timer-settings-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 24px; }
.lesson-quiz-backdrop { width: 100%; height: 100%; display: grid; place-items: center; padding: 24px; background: rgba(15,35,29,.58); backdrop-filter: blur(5px); }
.lesson-quiz-dialog {
  position: relative; width: min(820px, 100%); max-height: calc(100vh - 48px); overflow-y: auto;
  padding: 24px; border: 1px solid rgba(255,255,255,.7); border-radius: 20px; background: var(--paper);
  box-shadow: 0 28px 90px rgba(8,25,19,.32);
}
.lesson-quiz-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 14px; }
.lesson-quiz-header h2 { margin: 0; font-size: 1.8rem; }
.quiz-close { display: grid; place-items: center; flex: 0 0 auto; width: 37px; height: 37px; border: 1px solid var(--cream-dark); border-radius: 50%; background: white; cursor: pointer; color: var(--muted); font-size: 1.35rem; line-height: 1; }
.quiz-close:hover { color: var(--ink); border-color: #aebdb6; }
.lesson-quiz-question .focused-question { min-height: 330px; padding: 67px 28px 27px; box-shadow: none; }
.lesson-quiz-question .focused-question .question-prompt { font-size: clamp(1.45rem, 3vw, 2rem); }
.lesson-quiz-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 16px; }
.lesson-quiz-footer p { margin: 0; color: var(--muted); font-size: .78rem; }
.quiz-complete { min-height: 480px; display: grid; justify-items: center; align-content: center; text-align: center; }
.quiz-complete > p:not(.eyebrow) { max-width: 520px; margin: 0; color: var(--muted); }
.quiz-complete .quiz-close { position: absolute; top: 18px; right: 18px; }
.quiz-complete-actions { display: flex; gap: 10px; margin-top: 25px; flex-wrap: wrap; justify-content: center; }

.session-summary { display: flex; justify-content: space-between; gap: 15px; align-items: center; padding: 14px 17px; margin-bottom: 14px; border-radius: 12px; background: var(--cream); }
.session-summary p { margin: 0; font-size: .84rem; }
.score-dots { display: flex; gap: 5px; }
.score-dot { width: 8px; height: 8px; border-radius: 50%; background: #d9d3c6; }
.score-dot.correct { background: var(--green); }
.score-dot.wrong { background: var(--coral); }

.question-list { display: grid; gap: 15px; }
.question-card { position: relative; padding: 21px 22px; border: 1px solid var(--cream-dark); border-radius: 15px; background: white; box-shadow: 0 7px 24px rgba(30,54,47,.05); }
.question-card.correct { border-color: #83b69c; background: #fbfffc; }
.question-card.wrong { border-color: #e3a093; background: #fffafa; }
.question-topline { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 10px; }
.question-number { color: var(--coral); font-size: .69rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.question-tag { padding: 3px 8px; border-radius: 99px; background: var(--cream); color: var(--muted); font-size: .65rem; }
.question-context { margin: 0 0 7px; color: var(--muted); font-size: .8rem; font-style: italic; }
.question-prompt { margin: 2px 0 7px; font-size: 1.38rem; line-height: 2.05; font-weight: 680; }
.question-hints { min-height: 25px; margin: 0 0 16px; }
.question-hints span { margin-right: 14px; }
.option-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.option {
  min-width: 58px; padding: 9px 14px; border: 1px solid #dcd5c6; border-radius: 9px; background: var(--paper); cursor: pointer;
  font-size: 1.08rem; line-height: 1.65;
}
.option-romaji { display: block; margin-top: -2px; color: var(--green); font-size: .64em; font-weight: 650; line-height: 1.25; }
.option.selected .option-romaji, .option.revealed-wrong .option-romaji { color: inherit; opacity: .84; }
.option:hover { border-color: var(--green); }
.option.selected { color: white; background: var(--green); border-color: var(--green); }
.option.revealed-correct { color: var(--green-dark); background: var(--green-soft); border-color: #83b69c; }
.option.revealed-wrong { color: var(--red); background: var(--coral-soft); border-color: #e3a093; }
.option:disabled { cursor: default; opacity: 1; }
.input-answer-row { display: flex; align-items: stretch; gap: 8px; }
.answer-input { width: min(100%, 520px); padding: 11px 13px; border: 1px solid #dcd5c6; border-radius: 9px; background: var(--paper); font-size: 1rem; }
.answer-input:focus { outline: 3px solid rgba(31,92,73,.13); border-color: var(--green); }
.answer-input:disabled { color: var(--ink); opacity: 1; }
.feedback { display: none; margin: 14px 0 0; padding: 12px 14px; border-radius: 9px; font-size: .82rem; }
.feedback.show { display: block; }
.correct .feedback { color: #245d47; background: var(--green-soft); }
.wrong .feedback { color: #87382f; background: var(--coral-soft); }
.feedback strong { margin-right: 5px; }

.submit-bar { position: sticky; bottom: 16px; z-index: 6; display: flex; justify-content: space-between; align-items: center; gap: 15px; margin-top: 20px; padding: 13px 15px; border: 1px solid var(--cream-dark); border-radius: 13px; background: rgba(255,253,248,.94); box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.submit-bar p { margin: 0; color: var(--muted); font-size: .82rem; }

.exam-hero {
  position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr 130px; gap: 28px; align-items: center;
  padding: 30px; border-radius: 18px 18px 0 0; color: white; background: linear-gradient(135deg, var(--green-dark), var(--green));
}
.exam-hero h2 { margin-bottom: 10px; }
.exam-hero p:last-child { max-width: 700px; margin: 0; color: rgba(255,255,255,.78); }
.exam-hero .eyebrow { color: #efbc74; }
.exam-shield { display: grid; place-items: center; width: 100px; height: 100px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; background: rgba(255,255,255,.08); font-family: "BIZ UDPGothic", Meiryo, sans-serif; font-size: 3.4rem; }
.exam-start-card { display: grid; grid-template-columns: 180px 1fr auto; gap: 26px; align-items: center; padding: 25px 28px; border: 1px solid var(--cream-dark); border-top: 0; border-radius: 0 0 18px 18px; background: white; box-shadow: var(--shadow); }
.exam-rules { display: grid; grid-template-columns: 1fr 1fr; gap: 5px 24px; margin: 0; padding-left: 20px; color: var(--muted); font-size: .8rem; }
.exam-start-button { white-space: nowrap; }
.security-badge { align-self: center; padding: 8px 13px; border: 1px solid #b9d2c4; border-radius: 999px; color: var(--green-dark); background: var(--green-soft); font-size: .75rem; font-weight: 800; }
.exam-result { display: flex; justify-content: space-between; gap: 20px; padding: 16px 18px; margin-bottom: 18px; border-radius: 12px; }
.exam-result.pass { color: #245d47; background: var(--green-soft); }
.exam-result.review { color: #87382f; background: var(--coral-soft); }
.exam-result strong { font-family: Georgia, serif; font-size: 1.1rem; }

.worksheet-intro { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: end; padding: 20px; margin-bottom: 24px; border-radius: 15px; background: var(--cream); }
.worksheet-intro h2 { margin: 0 0 5px; }
.worksheet-intro p { margin: 0; color: var(--muted); font-size: .86rem; }
.worksheet-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.worksheet .feedback { display: none; }
.worksheet.show-key .feedback { display: block; color: var(--green-dark); background: var(--green-soft); }
.worksheet .question-card { break-inside: avoid; box-shadow: none; }
.worksheet .answer-line { height: 34px; margin-top: 13px; border-bottom: 1px solid #a8aaa7; }

.empty-state { padding: 50px 20px; text-align: center; border: 1px dashed var(--cream-dark); border-radius: 15px; color: var(--muted); }
.toast { position: fixed; right: 22px; bottom: 22px; z-index: 50; max-width: 320px; padding: 11px 16px; border-radius: 10px; background: var(--green-dark); color: white; box-shadow: var(--shadow); transform: translateY(25px); opacity: 0; pointer-events: none; transition: .22s; font-size: .83rem; }
.toast.show { opacity: 1; transform: translateY(0); }
.mobile-menu { display: none; }
.icon-button { border: 0; background: transparent; cursor: pointer; font-size: 1.25rem; }

@media (max-width: 900px) {
  .chapter-grid { grid-template-columns: 1fr; }
  .chapter-card { min-height: 260px; }
  .example { grid-template-columns: 1fr; gap: 4px; }
  body.hide-romaji .example, body.hide-english .example { grid-template-columns: 1fr; }
  .number-control-panel { grid-template-columns: repeat(3, 1fr); }
  .exam-start-card { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 720px) {
  .topbar { padding: 0 14px; height: 68px; }
  .mobile-menu { display: block; margin-right: 5px; }
  .brand small { display: none; }
  .brand-mark { width: 38px; height: 38px; }
  .global-tools { gap: 6px; }
  .mobile-helper-trigger { display: inline-grid; place-items: center; align-content: center; min-width: 48px; min-height: 44px; padding: 3px 7px; border: 1px solid #cbd8d1; border-radius: 12px; background: #eef5f0; color: var(--green-dark); cursor: pointer; line-height: 1.05; }
  .mobile-helper-trigger span { font-family: Georgia, "Noto Serif JP", serif; font-size: .82rem; font-weight: 850; }
  .mobile-helper-trigger small { margin-top: 3px; font-size: .58rem; font-weight: 800; }
  .mobile-helper-trigger[aria-expanded="true"] { background: var(--green); color: white; border-color: var(--green); }
  .reading-controls { position: fixed; top: 74px; right: 10px; z-index: 45; width: min(370px, calc(100vw - 20px)); display: none; padding: 16px; border: 1px solid #c8d7cf; border-radius: 18px; background: #fffdf8; box-shadow: 0 20px 60px rgba(18,45,36,.24); }
  .reading-controls.open { display: block; }
  .mobile-helper-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 13px; }
  .mobile-helper-heading strong, .mobile-helper-heading small { display: block; }
  .mobile-helper-heading strong { font-family: Georgia, "Noto Serif JP", serif; font-size: 1.05rem; }
  .mobile-helper-heading small { margin-top: 2px; color: var(--muted); font-size: .72rem; }
  .mobile-helper-heading button { width: 32px; height: 32px; padding: 0; border: 0; border-radius: 50%; background: var(--cream); color: var(--ink); font-size: 1.25rem; cursor: pointer; }
  .reading-switches { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
  .reading-switches .switch span { width: 100%; min-height: 42px; justify-content: center; padding: 6px; font-size: .72rem; }
  .reading-controls .helper-info { display: none; }
  .mobile-helper-copy { display: block; margin: 12px 1px 0; padding-top: 11px; border-top: 1px solid var(--cream-dark); color: var(--muted); font-size: .72rem; line-height: 1.55; }
  .mobile-helper-copy b { color: var(--green-dark); }
  .app-shell { display: block; padding-top: 68px; }
  .sidebar { top: 68px; transform: translateX(-105%); transition: transform .22s; box-shadow: var(--shadow); }
  .sidebar.open { transform: translateX(0); }
  .scrim { position: fixed; inset: 68px 0 0; z-index: 14; background: rgba(20,42,35,.35); }
  main { width: 100%; }
  .page { padding: 30px 20px 72px; }
  .hero { padding-top: 24px; }
  .tabs { top: 68px; }
  .practice-toolbar, .worksheet-intro { display: block; }
  .practice-controls, .worksheet-actions { margin-top: 14px; }
  .number-control-panel { grid-template-columns: 1fr 1fr; }
  .readiness-card { grid-template-columns: 1fr; padding: 22px; }
  .readiness-ring { margin: 0 auto; }
  .learning-metrics { grid-template-columns: 1fr; }
  .weakness-card { display: grid; }
  .weakness-list { justify-content: flex-start; }
  .practice-start-row { align-items: stretch; flex-direction: column; }
  .lesson-section-actions { align-items: stretch; flex-direction: column; }
  .lesson-section-actions > button { width: 100%; justify-content: center; }
  .focused-session { min-height: calc(100vh - 225px); }
  .focus-session-header { align-items: flex-start; }
  .question-card.focused-question { min-height: 50vh; padding: 64px 20px 25px; }
  .focused-question .question-topline { inset: 17px 18px auto; }
  .focus-navigation { grid-template-columns: 1fr 1fr; }
  .focus-navigation p { grid-column: 1 / -1; grid-row: 1; }
  .focus-navigation button:last-child { justify-self: stretch; }
  .focus-navigation button { width: 100%; }
  .completion-metrics { flex-direction: column; width: 100%; max-width: 360px; }
  .lesson-quiz-backdrop { padding: 10px; }
  .lesson-quiz-dialog { max-height: calc(100vh - 20px); padding: 18px; border-radius: 16px; }
  .lesson-quiz-question .focused-question { min-height: 48vh; padding: 62px 18px 22px; }
  .lesson-quiz-footer { align-items: stretch; flex-direction: column; }
  .lesson-quiz-footer button { width: 100%; }
  .exam-hero { grid-template-columns: 1fr; padding: 24px 20px; }
  .exam-shield { display: none; }
  .exam-start-card { padding: 20px; }
  .exam-rules { grid-template-columns: 1fr; }
  .security-badge { display: inline-block; margin-top: 13px; }
  .exam-result { display: grid; gap: 2px; }
  .question-card { padding: 18px 16px; }
  .submit-bar { bottom: 8px; }
}

@media (max-width: 520px) {
  .brand > span:last-child { display: none; }
  .topbar { padding-inline: 10px; }
  .mobile-menu { margin-right: 2px; }
  .global-tools { gap: 4px; }
  .mode-switcher { min-height: 42px; padding-inline: .4rem; }
  .account-trigger { min-width: 42px; min-height: 42px; }
}

@media print {
  @page { size: A4; margin: 14mm; }
  body { background: white; color: #111; font-size: 10.5pt; }
  .topbar, .sidebar, .tabs, .worksheet-actions, .global-tools, .toast, .no-print, .scrim { display: none !important; }
  .app-shell, main { display: block; padding: 0; width: 100%; }
  .page { max-width: none; padding: 0; }
  .chapter-header { padding: 0 0 8mm; }
  .chapter-header h1 { font-size: 25pt; }
  .worksheet-intro { display: block; padding: 0 0 5mm; background: none; border-bottom: 1px solid #333; border-radius: 0; }
  .question-list { gap: 4mm; }
  .question-card { padding: 4mm; border: 1px solid #aaa; }
  .question-tag { border: 1px solid #bbb; background: none; }
  .option { padding: 2mm 3mm; background: none; }
  .worksheet.show-key .feedback { border: 1px solid #777; background: none; }
  .romaji, .english { display: inline !important; }
}

/* Accounts, teacher studio, and server-graded activities */
.account-trigger { display:flex; align-items:center; gap:.55rem; min-height:42px; padding:.35rem .75rem .35rem .4rem; border:1px solid rgba(24,57,47,.2); border-radius:999px; background:#fffdf8; color:var(--ink); font:inherit; font-weight:700; cursor:pointer; }
.account-trigger:hover { border-color:var(--green); background:#fff; }
.account-trigger-avatar { width:31px; height:31px; display:grid; place-items:center; overflow:hidden; border-radius:50%; background:var(--green); color:white; font-size:.8rem; }
.account-trigger-avatar img { width:100%; height:100%; object-fit:cover; }
.account-backdrop { position:fixed; inset:0; z-index:120; background:rgba(10,31,25,.58); backdrop-filter:blur(4px); }
.account-dialog { position:fixed; z-index:121; left:50%; top:50%; width:min(560px,calc(100vw - 2rem)); max-height:calc(100vh - 2rem); overflow:auto; transform:translate(-50%,-50%); padding:2.2rem; border:1px solid rgba(24,57,47,.18); border-radius:24px; background:#fffdf8; box-shadow:0 28px 80px rgba(10,31,25,.28); }
.account-dialog-wide { width:min(920px,calc(100vw - 2rem)); }
.dialog-close { position:absolute; right:1rem; top:1rem; width:38px; height:38px; border:0; border-radius:50%; background:#edf3ef; color:var(--ink); font-size:1.6rem; line-height:1; cursor:pointer; }
.account-intro { text-align:center; padding:.65rem .25rem; }
.account-intro h2,.account-heading h2 { margin:.2rem 0 .65rem; }
.account-sprout { display:grid; place-items:center; width:76px; height:76px; margin:0 auto 1.2rem; border-radius:26px 26px 26px 8px; background:var(--green); color:#fff; font-size:1.35rem; font-weight:800; transform:rotate(-3deg); }
.google-signin { display:inline-flex; align-items:center; justify-content:center; gap:.75rem; min-height:48px; margin-top:1rem; padding:.65rem 1.1rem; border:1px solid #cfd8d3; border-radius:12px; background:#fff; color:var(--ink); text-decoration:none; font-weight:800; box-shadow:0 4px 12px rgba(24,57,47,.07); }
.google-signin span { display:grid; place-items:center; width:25px; height:25px; border-radius:50%; color:#4285f4; font-weight:900; }
.privacy-note { display:block; max-width:560px; margin:1rem auto 0; color:var(--muted); line-height:1.55; }
.account-notice { display:flex; flex-direction:column; gap:.3rem; margin-top:1rem; padding:1rem; border-radius:12px; background:#fff1d7; color:#694f1f; text-align:left; }
.account-heading { display:flex; align-items:center; gap:1rem; padding-right:2.5rem; }
.account-heading p { margin:0; color:var(--muted); }
.profile-avatar { width:78px; height:78px; object-fit:cover; border-radius:24px; border:1px solid rgba(24,57,47,.12); background:#edf3ef; }
.account-tabs { display:flex; gap:.25rem; margin:1.5rem 0 1rem; padding:.3rem; overflow-x:auto; border-radius:12px; background:#edf3ef; }
.account-tab { flex:1 0 auto; padding:.65rem .8rem; border:0; border-radius:9px; background:transparent; color:var(--muted); font:inherit; font-weight:750; cursor:pointer; }
.account-tab.active { background:#fff; color:var(--green); box-shadow:0 2px 7px rgba(24,57,47,.09); }
.account-form,.activity-builder { display:grid; gap:1rem; }
.account-form label,.activity-builder label { display:grid; gap:.4rem; color:var(--ink); font-weight:750; }
.account-form input,.activity-builder input,.activity-builder textarea,.activity-builder select,.activity-answer-input { width:100%; padding:.8rem .9rem; border:1px solid #cdd8d2; border-radius:10px; background:#fff; color:var(--ink); font:inherit; }
.activity-builder textarea { resize:vertical; }
.activity-builder fieldset { display:flex; flex-wrap:wrap; gap:.7rem; padding:1rem; border:1px solid #d7e0db; border-radius:12px; }
.activity-builder legend { padding:0 .35rem; font-weight:800; }
.form-grid { display:grid; grid-template-columns:1.4fr .7fr 1fr; gap:.8rem; }
.account-section { margin-top:1rem; padding:1.1rem; border:1px solid #dbe3df; border-radius:15px; background:#fff; }
.account-section h3 { margin:.1rem 0 .45rem; }
.account-section p { color:var(--muted); }
.avatar-actions,.dialog-actions { display:flex; flex-wrap:wrap; gap:.7rem; align-items:center; margin:1rem 0; }
.upload-button { display:inline-flex; align-items:center; min-height:42px; padding:.55rem .9rem; border:1px solid #cfd8d3; border-radius:10px; background:#fff; color:var(--green); font-weight:800; cursor:pointer; }
.danger-zone { display:flex; flex-wrap:wrap; align-items:center; gap:.75rem; }
.danger-zone h3 { width:100%; }
.sync-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:.7rem; margin:1rem 0; }
.sync-stats span { padding:.8rem; border-radius:10px; background:#edf3ef; color:var(--muted); }
.sync-stats strong { display:block; color:var(--green); }
.sync-status { margin-left:.75rem; color:var(--muted); }
.teacher-activity-list,.report-list { display:grid; gap:.7rem; }
.teacher-activity-card,.report-row { display:flex; justify-content:space-between; align-items:center; gap:1rem; padding:.9rem; border:1px solid #dbe3df; border-radius:12px; background:#fffdf8; }
.teacher-activity-card > div,.report-row > div { display:flex; flex-wrap:wrap; gap:.45rem; align-items:center; }
.teacher-activity-card > div:first-child,.report-row > div:first-child { display:grid; }
.teacher-activity-card small,.report-row small { color:var(--muted); }
.report-score { display:grid!important; min-width:80px; text-align:right; font-size:1.25rem; font-weight:850; color:var(--green); }
.report-score small { font-size:.7rem; font-weight:600; }
.report-attempt { border:1px solid #dbe3df; border-radius:14px; background:#fffdf8; overflow:hidden; }
.report-attempt summary { display:flex; justify-content:space-between; align-items:center; gap:1rem; padding:1rem; cursor:pointer; list-style:none; }
.report-attempt summary::-webkit-details-marker { display:none; }
.report-attempt summary > span:first-child { display:grid; gap:.25rem; }
.report-attempt summary > span:first-child small { color:var(--muted); }
.report-attempt[open] summary { border-bottom:1px solid #e8e2d7; background:#f8fbf8; }
.report-answers { display:grid; gap:.6rem; padding:.8rem; }
.report-answer { display:grid; grid-template-columns:minmax(0,1.3fr) minmax(0,1fr); gap:1rem; padding:.8rem; border-left:4px solid var(--green); background:#fff; border-radius:8px; }
.report-answer.incorrect { border-left-color:var(--coral); }
.report-answer > div { display:grid; gap:.25rem; min-width:0; }
.report-answer small { color:var(--muted); }
.report-empty { padding:1rem; }
.avatar-preview { display:grid; justify-items:center; gap:.9rem; text-align:center; }
.avatar-preview h2,.avatar-preview p { margin:0; }
.avatar-preview img { width:min(280px,70vw); aspect-ratio:1; object-fit:cover; border-radius:26px; border:6px solid #fff; box-shadow:0 14px 38px rgba(24,57,47,.18); }
.loading-card,.empty-copy { padding:1.5rem; border:1px dashed #cbd7d1; border-radius:14px; color:var(--muted); text-align:center; }

.activity-page { min-height:calc(100vh - 88px); display:grid; place-items:center; }
.activity-landing { width:min(820px,100%); padding:clamp(1.4rem,4vw,3.4rem); border:1px solid rgba(24,57,47,.16); border-radius:28px; background:linear-gradient(145deg,#fffdf8,#f5faf6); box-shadow:0 22px 65px rgba(24,57,47,.1); text-align:center; }
.activity-landing h1 { margin:.35rem 0 .85rem; font-size:clamp(2rem,5vw,4.4rem); }
.teacher-byline { display:inline-flex; align-items:center; gap:.7rem; margin-bottom:1.5rem; padding:.45rem .7rem .45rem .45rem; border:1px solid #d7e0db; border-radius:999px; background:#fff; text-align:left; }
.teacher-byline img { width:44px; height:44px; border-radius:50%; object-fit:cover; }
.teacher-byline span { display:grid; }
.teacher-byline small { color:var(--muted); }
.teacher-byline b { display:grid; place-items:center; width:25px; height:25px; border-radius:50%; background:var(--green); color:#fff; }
.activity-rules { display:flex; flex-wrap:wrap; justify-content:center; gap:.55rem; margin:1.4rem 0; }
.activity-rules span { padding:.45rem .7rem; border-radius:999px; background:#e5f1ea; color:var(--green); font-size:.82rem; font-weight:750; text-transform:capitalize; }
.activity-start { margin-top:.5rem; }
.activity-focus { width:min(1040px,calc(100% - 2rem)); min-height:calc(100vh - 118px); margin:1rem auto; display:grid; grid-template-rows:auto auto 1fr auto; gap:1rem; }
.focus-header,.focus-footer { display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.focus-header > div { display:grid; }
.focus-header .eyebrow { margin:0; }
.activity-question { align-self:center; min-height:min(540px,62vh); display:flex; flex-direction:column; justify-content:center; padding:clamp(1.3rem,4vw,3rem); }
.activity-question .question-prompt { font-size:clamp(1.8rem,4vw,3.2rem); }
.activity-answer-input { margin-top:1.3rem; min-height:58px; font-size:1.25rem; }
.activity-no-furigana ruby rt { visibility:hidden!important; }
.review-dots { display:flex; flex-wrap:wrap; justify-content:center; gap:.45rem; margin:1.4rem 0; }
.review-dots button { width:42px; height:42px; border:1px solid #cfd8d3; border-radius:50%; background:#fff; color:var(--muted); font-weight:800; cursor:pointer; }
.review-dots button.answered { background:#dfeee5; border-color:#8db49c; color:var(--green); }
.result-score { display:grid; place-items:center; width:145px; height:145px; margin:0 auto 1rem; border-radius:50%; background:var(--green); color:#fff; font-size:2.5rem; font-weight:900; }
.result-review { display:grid; gap:.7rem; margin:1.5rem 0; text-align:left; }
.result-review article { display:grid; gap:.25rem; padding:1rem; border-left:5px solid #8db49c; border-radius:10px; background:#fff; }
.result-review article.incorrect { border-left-color:#d46a58; }
.result-review small { color:var(--muted); }

/* Account modes, ownership, and legal surfaces */
.account-brand,.legal-brand,.deletion-brand,.activity-brand { display:block; width:74px; height:74px; margin:0 auto 1rem; border-radius:22px; box-shadow:0 12px 30px rgba(24,57,47,.16); }
.mode-switcher { display:grid; grid-template-columns:auto auto; align-items:center; gap:.3rem; min-height:42px; padding:.3rem .7rem; border:1px solid #d2ddd6; border-radius:999px; background:#e6f1ea; color:var(--green-dark); cursor:pointer; }
.mode-switcher.teacher { background:#fff0e7; border-color:#edd1c3; color:#8a4536; }
.mode-switcher span { font-family:"Noto Serif JP",serif; font-weight:850; }
.mode-switcher small { font-size:.7rem; font-weight:800; }
.mode-choice { display:grid; grid-template-columns:1fr 1fr; gap:.8rem; margin:1rem 0; padding:0; border:0; }
.mode-choice legend { grid-column:1/-1; margin-bottom:.45rem; font-weight:850; }
.mode-card { position:relative; display:grid!important; grid-template-columns:auto 1fr; grid-template-rows:auto auto; column-gap:.8rem; padding:1rem; border:1px solid #d6dfda; border-radius:15px; background:#fff; cursor:pointer; }
.mode-card.selected { border-color:#6ea68d; background:#edf6f0; box-shadow:0 0 0 3px rgba(31,92,73,.08); }
.mode-card input { position:absolute; opacity:0; }
.mode-card > span { grid-row:1/3; align-self:center; font:700 1.8rem "Noto Serif JP",serif; color:var(--green); }
.mode-card strong,.mode-card small { display:block; }
.mode-card small { color:var(--muted); font-weight:500; }
.inline-button { display:inline-flex; text-decoration:none; }
.stack-actions { display:flex; flex-wrap:wrap; gap:1rem; }
.danger-button { min-height:44px; padding:.65rem 1rem; border:1px solid #9d3f36; border-radius:10px; background:#a83d34; color:#fff; font:inherit; font-weight:850; cursor:pointer; }
.danger-link { border:0; background:none; color:var(--red); font:inherit; font-size:.76rem; text-decoration:underline; cursor:pointer; }
.deletion-panel form,.account-dialog form { display:grid; gap:1rem; }
.account-dialog label,.composer-section label { display:grid; gap:.35rem; font-weight:750; }
.account-dialog input,.account-dialog select,.account-dialog textarea,.composer-section input,.composer-section select,.composer-section textarea { width:100%; min-width:0; padding:.72rem .82rem; border:1px solid #cbd7d1; border-radius:10px; background:#fff; color:var(--ink); font:inherit; }
.check-row { display:flex!important; flex-direction:row!important; align-items:flex-start; gap:.6rem!important; font-weight:650!important; }
.check-row input { width:auto!important; margin-top:.28rem; }
.workspace-hero { display:flex; align-items:flex-end; justify-content:space-between; gap:1.5rem; margin-bottom:2rem; padding:2rem; border-radius:25px; background:linear-gradient(140deg,#e8f2eb,#fff8e9); }
.workspace-hero h1 { font-size:clamp(2.2rem,5vw,4rem); }
.workspace-hero p:last-child { max-width:700px; color:var(--muted); }
.activity-library,.admin-user-list { display:grid; gap:1rem; }
.student-activity-card,.admin-row { display:flex; justify-content:space-between; align-items:center; gap:1rem; padding:1.1rem; border:1px solid #dbe3df; border-radius:16px; background:#fff; }
.student-activity-card h2 { margin:.25rem 0; font-size:1.35rem; }
.student-activity-card p,.student-activity-card small { margin:0; color:var(--muted); }
.student-activity-card a { text-decoration:none; }
.admin-row > div { display:grid; gap:.2rem; }
.admin-row > div:last-child { display:flex; gap:.55rem; }
.admin-totals { display:grid; grid-template-columns:repeat(auto-fit,minmax(120px,1fr)); gap:.7rem; }
.admin-totals span { padding:1rem; border-radius:12px; background:#edf3ef; color:var(--muted); text-transform:capitalize; }
.admin-totals strong { display:block; color:var(--green); font-size:1.6rem; }
.legal-page { max-width:840px; }
.legal-hero { margin-bottom:2.5rem; text-align:center; }
.legal-hero h1 { margin-inline:auto; }
.legal-page > section { padding:1.4rem 0; border-top:1px solid var(--cream-dark); }
.legal-page > section p { color:#53655e; }
.legal-page a { color:var(--green); }

/* Teacher Studio */
.studio-hero { background:linear-gradient(140deg,#dceee4,#fff0e7); }
.studio-metrics,.report-metrics { display:grid; grid-template-columns:repeat(3,1fr); gap:.8rem; margin:0 0 1.3rem; }
.studio-metrics span,.report-metrics span { padding:1rem 1.1rem; border:1px solid #dae3de; border-radius:14px; background:#fff; color:var(--muted); }
.studio-metrics strong,.report-metrics strong { display:block; color:var(--green); font-size:1.7rem; line-height:1.1; }
.studio-library { display:grid; gap:1rem; }
.studio-activity-card { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:1.5rem; padding:1.35rem; border:1px solid #d8e1dc; border-radius:18px; background:#fff; box-shadow:0 7px 25px rgba(24,57,47,.05); }
.studio-card-main > div { display:flex; gap:.45rem; }
.studio-card-main h2 { margin:.5rem 0 .25rem; font-size:1.55rem; }
.studio-card-main p,.studio-card-main small { margin:.2rem 0; color:var(--muted); }
.studio-card-actions { display:flex; flex-wrap:wrap; justify-content:flex-end; align-content:center; gap:.5rem; max-width:315px; }
.format-badge,.status-pill { display:inline-flex; width:max-content; padding:.24rem .55rem; border-radius:999px; background:#e5f1ea; color:var(--green); font-size:.68rem; font-weight:850; letter-spacing:.06em; text-transform:uppercase; }
.status-pill { background:#f0ece2; color:#6a6458; }
.status-pill.published { background:#dceee4; color:#176044; }
.status-pill.closed,.status-pill.archived { background:#efe8e4; color:#7d5b50; }
.small-button { min-height:34px; padding:.35rem .65rem; border:1px solid #ccd8d1; border-radius:9px; background:#fff; color:var(--green); font:inherit; font-size:.76rem; font-weight:800; cursor:pointer; }
.studio-shell { max-width:1480px; margin:0 auto; padding:1.2rem clamp(1rem,3vw,2.4rem) 5rem; }
.studio-top { position:sticky; top:76px; z-index:10; display:grid; grid-template-columns:110px 1fr auto; align-items:center; gap:1rem; margin-bottom:1rem; padding:.8rem 1rem; border:1px solid rgba(24,57,47,.1); border-radius:16px; background:rgba(255,253,248,.94); backdrop-filter:blur(14px); box-shadow:0 6px 24px rgba(24,57,47,.06); }
.studio-top h1 { font-size:1.45rem; }
.autosave-status { color:var(--muted); font-size:.78rem; font-weight:700; }
.studio-composer { display:grid; grid-template-columns:190px minmax(0,1fr); gap:1.2rem; }
.composer-rail { position:sticky; top:164px; align-self:start; display:grid; gap:.25rem; padding:.65rem; border:1px solid #e0e6e2; border-radius:14px; background:#f7f4eb; }
.composer-rail a { padding:.58rem .7rem; border-radius:9px; color:#52635d; text-decoration:none; font-size:.82rem; font-weight:750; }
.composer-rail a:hover { background:#fff; color:var(--green); }
.composer-main { display:grid; gap:1rem; min-width:0; }
.composer-section { scroll-margin-top:166px; padding:clamp(1rem,3vw,2rem); border:1px solid #dce4df; border-radius:20px; background:#fff; box-shadow:0 8px 30px rgba(24,57,47,.04); }
.composer-section > p { color:var(--muted); }
.composer-section h2 { margin-bottom:.65rem; }
.composer-section h3 { margin-top:1.2rem; }
.section-heading-row { display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.section-actions { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:.45rem; }
.import-button { display:inline-flex!important; align-items:center; cursor:pointer; }
.compact-grid { grid-template-columns:repeat(4,minmax(0,1fr)); }
.generator-panel { display:grid; gap:1rem; margin:1rem 0; padding:1rem; border-radius:15px; background:#f1f6f2; }
.generator-panel select[multiple] { min-height:88px; }
.preset-row { display:flex; flex-wrap:wrap; align-items:center; gap:.45rem; }
.preset-row > span { margin-right:.3rem; color:var(--muted); font-size:.78rem; font-weight:800; }
.chip-checks { display:flex; flex-wrap:wrap; gap:.5rem; }
.chip-checks label { display:flex!important; flex-direction:row!important; align-items:center; gap:.4rem!important; padding:.45rem .65rem; border:1px solid #d4ddd8; border-radius:999px; background:#fff; font-size:.8rem; cursor:pointer; }
.chip-checks input { width:auto!important; accent-color:var(--green); }
.weight-grid { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:.5rem; }
.weight-card { display:grid!important; grid-template-columns:auto 1fr; align-items:center; gap:.35rem!important; padding:.65rem; border:1px solid #d8e1dc; border-radius:11px; background:#fff; }
.weight-card > input:first-child { width:auto; }
.weight-card > input:last-child { grid-column:1/-1; }
.choice-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:.65rem; }
.check-card { display:flex!important; flex-direction:row!important; align-items:center; gap:.7rem!important; padding:.8rem; border:1px solid #d6dfda; border-radius:12px; background:#fff; }
.check-card input { width:auto; }
.check-card span { font-size:1.15rem; }
.check-card small { display:block; color:var(--muted); font-size:.7rem; }
.rule-switches { display:flex; flex-wrap:wrap; gap:1rem; margin:1rem 0; }
.editor-stack { display:grid; gap:.8rem; margin-top:1rem; }
.editor-card { display:grid; gap:.8rem; padding:1rem; border:1px solid #dce3df; border-radius:14px; background:#fffdf8; }
.question-editor { border-left:4px solid #7aa88f; }
.editor-card-heading { display:flex; align-items:center; gap:.55rem; }
.editor-card-heading select { width:auto; }
.editor-card-heading strong { margin-right:auto; }
.drag-handle { color:#98a39e; cursor:grab; }
.icon-delete { margin-left:auto; width:34px; height:34px; border:0; border-radius:50%; background:#f5e3df; color:var(--red); font-size:1.25rem; cursor:pointer; }
.editor-card details summary,.question-bank-panel summary { color:var(--green); font-weight:800; cursor:pointer; }
.empty-inset { padding:1.2rem; border:1px dashed #c9d5cf; border-radius:12px; color:var(--muted); text-align:center; }
.lesson-image-preview,.lesson-published-image { display:block; max-width:100%; max-height:420px; border-radius:12px; object-fit:contain; }
.question-bank-panel { margin-top:1rem; padding:1rem; border:1px solid #dce3df; border-radius:14px; }
.bank-row { display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:.7rem 0; border-top:1px solid #ece7dc; }
.bank-row > div { display:grid; }
.bank-row small { color:var(--muted); }
.composer-actions { position:sticky; bottom:1rem; z-index:8; display:flex; justify-content:flex-end; gap:.6rem; padding:.8rem; border:1px solid #d5dfda; border-radius:14px; background:rgba(255,253,248,.95); backdrop-filter:blur(12px); box-shadow:0 12px 35px rgba(24,57,47,.14); }
.student-preview { display:grid; gap:1rem; }
.preview-content { display:grid; gap:1rem; padding:1rem; border:1px solid #dce3df; border-radius:14px; }
.share-sheet { display:grid; justify-items:center; gap:1rem; text-align:center; }
.share-url { display:flex; width:100%; gap:.5rem; }
.share-url input { flex:1; }
.share-qr { width:min(260px,80vw); padding:.75rem; border:1px solid #d8e0dc; border-radius:16px; background:#fff; }
.share-qr svg { display:block; width:100%; height:auto; }
.invite-create-form { display:grid; grid-template-columns:1.2fr .8fr 1fr auto; align-items:end; gap:.65rem; width:100%; text-align:left; }
.invite-list { display:grid; gap:.5rem; width:100%; }
.invite-row { display:flex; justify-content:space-between; align-items:center; gap:1rem; width:100%; padding:.75rem; border:1px solid #dbe3df; border-radius:11px; background:#fff; text-align:left; }
.invite-row > div { display:grid; }
.invite-row small { color:var(--muted); }
.new-invite-result { width:100%; padding:1rem; border-radius:13px; background:#e8f3eb; text-align:left; }
.new-invite-result p { margin:.2rem 0 .7rem; color:var(--muted); }
.publish-rule-list { display:grid; grid-template-columns:repeat(2,1fr); gap:.55rem; margin:1rem 0; }
.publish-rule-list span { display:flex; justify-content:space-between; gap:1rem; padding:.65rem; border-radius:10px; background:#f1f5f2; color:var(--muted); text-transform:capitalize; }
.publish-rule-list strong { color:var(--ink); }
.publish-warnings,.publish-ready { margin:1rem 0; padding:1rem; border-radius:12px; background:#fff1d7; color:#694f1f; }
.publish-warnings p { margin:.3rem 0; }
.publish-ready { background:#e5f1ea; color:var(--green); }
.report-view section { margin-top:1.5rem; }
.report-heading { display:flex; align-items:flex-start; justify-content:space-between; gap:1rem; }
.report-heading > div:last-child { display:flex; gap:.45rem; }
.integrity-notice { padding:.8rem; border-radius:10px; background:#fff1d7; color:#694f1f; }
.analytics-list { display:grid; gap:.55rem; }
.analytics-list > div { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:.1rem 1rem; padding:.75rem; border-radius:10px; background:#f3f6f4; }
.analytics-list small { color:var(--muted); }
.attempt-report { margin:.7rem 0; border:1px solid #d8e1dc; border-radius:13px; overflow:hidden; }
.attempt-report summary { display:flex; justify-content:space-between; gap:1rem; padding:1rem; background:#f7faf8; cursor:pointer; }
.manual-grade-form { padding:1rem; }
.answer-review-list { display:grid; gap:.7rem; }
.answer-review-list article { padding:.8rem; border-left:4px solid #8ab29a; background:#fff; }
.student-response { padding:.55rem; border-radius:8px; background:#f1f4f2; white-space:pre-wrap; }
.answer-meta { color:var(--muted); font-size:.78rem; }

/* Shared teacher activity experience */
.activity-route .sidebar { display:none; }
.activity-route .app-shell { grid-template-columns:1fr; }
.activity-route main { grid-column:1; }
.activity-route .activity-page { padding:1.5rem; }
.activity-description { max-width:650px; margin:.7rem auto 1rem; color:var(--muted); }
.activity-lesson { display:grid; gap:1.3rem; margin:1.5rem 0; padding:clamp(1rem,3vw,2rem); border:1px solid #e0e5e2; border-radius:18px; background:#fff; text-align:left; }
.activity-lesson h2,.activity-lesson h3,.activity-lesson p { margin:.25rem 0; }
.activity-lesson figure { margin:0; text-align:center; }
.activity-lesson figure img { max-width:100%; max-height:520px; border-radius:14px; }
.activity-lesson figcaption { color:var(--muted); font-size:.78rem; }
.lesson-japanese,.lesson-japanese-block { font-size:1.35rem; }
.lesson-vocabulary { display:grid; gap:.35rem; }
.lesson-vocabulary > div { display:grid; grid-template-columns:1.2fr 1fr 1.5fr; gap:.6rem; padding:.6rem; border-top:1px solid #eee7dc; }
.lesson-note,.lesson-checkpoint,.integrity-consent { padding:1rem; border-radius:13px; background:#edf5f0; }
.lesson-note.warning { background:#fff1d7; }
.lesson-note.tip { background:#edf5f0; }
.lesson-checkpoint { border-left:5px solid var(--coral); background:#fff2ec; }
.lesson-checkpoint > span { color:var(--coral); font-size:.7rem; font-weight:850; letter-spacing:.1em; text-transform:uppercase; }
.integrity-consent { margin:1rem 0; color:#3f5a50; text-align:left; }
.integrity-consent p { margin:.25rem 0 0; }
.activity-start { display:grid; justify-items:center; gap:.8rem; }
.activity-start label { width:min(390px,100%); display:grid; gap:.35rem; text-align:left; font-weight:750; }
.activity-start input { width:100%; padding:.78rem .9rem; border:1px solid #cbd7d1; border-radius:10px; font:inherit; }
.activity-start-button { min-width:220px; }
.report-content-button { margin-top:1.5rem; }
.lesson-complete-note { color:var(--muted); }
.activity-playing { overflow-x:hidden; }
.focus-status { display:flex!important; grid-auto-flow:column; align-items:center; gap:1rem; color:var(--muted); }
.focus-progress { height:7px; overflow:hidden; border-radius:999px; background:#e3e9e5; }
.focus-progress i { display:block; height:100%; border-radius:inherit; background:linear-gradient(90deg,var(--green),#67a681); transition:width .25s; }
.activity-timer { min-width:76px; padding:.35rem .55rem; border-radius:999px; background:#e6f1ea; color:var(--green); text-align:center; font-variant-numeric:tabular-nums; }
.activity-timer.urgent { background:#f9dfda; color:var(--red); }
.activity-question { border:1px solid #d7e1dc; border-radius:24px; background:#fff; box-shadow:0 18px 55px rgba(24,57,47,.09); }
.question-romaji,.question-english { margin:.2rem 0; color:var(--muted); font-size:1.05rem; }
.activity-no-romaji .helper-romaji,.activity-no-english .helper-english { display:none!important; }
.activity-hint { margin-top:.7rem; color:var(--muted); }
.activity-hint summary { color:var(--green); font-weight:750; cursor:pointer; }
.activity-answer-input.long { resize:vertical; }
.activity-options { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:.7rem; margin-top:1.2rem; }
.activity-option { display:flex; align-items:center; gap:.7rem; min-height:58px; padding:.8rem 1rem; border:1px solid #d1dcd6; border-radius:13px; background:#fffdf8; color:var(--ink); font:inherit; font-size:1.08rem; text-align:left; cursor:pointer; }
button.activity-option { width:100%; }
.activity-option:hover,.activity-option.selected { border-color:#63a083; background:#e6f2ea; box-shadow:0 0 0 3px rgba(31,92,73,.07); }
.activity-option input { width:20px; height:20px; accent-color:var(--green); }
.ordering-list { display:grid; gap:.55rem; margin:1.2rem 0 0; padding:0; list-style:none; counter-reset:ordering; }
.ordering-list li { counter-increment:ordering; display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:.7rem .8rem; border:1px solid #d7dfda; border-radius:11px; background:#fffdf8; }
.ordering-list li > span:first-child::before { content:counter(ordering) ". "; color:var(--coral); font-weight:850; }
.ordering-list button { width:34px; height:34px; border:1px solid #d0dad4; border-radius:8px; background:#fff; cursor:pointer; }
.matching-list { display:grid; gap:.7rem; margin-top:1.2rem; }
.matching-list label { display:grid; grid-template-columns:minmax(0,1fr) minmax(160px,1fr); align-items:center; gap:1rem; padding:.7rem; border-radius:11px; background:#f4f7f5; font-weight:750; }
.matching-list select { width:100%; padding:.65rem; border:1px solid #cbd7d1; border-radius:9px; background:#fff; font:inherit; }
.focus-footer > span { color:var(--muted); font-size:.78rem; text-align:center; }
.review-screen,.result-screen { max-width:900px; }
.submission-seal { display:grid; place-items:center; width:108px; height:108px; margin:1rem auto; border-radius:50%; background:#dceee4; color:var(--green); font-size:3rem; font-weight:900; }
.result-review span { white-space:pre-wrap; }

@media (max-width: 820px) {
  .account-trigger-label { display:none; }
  .account-trigger { padding:.35rem; }
  .form-grid,.sync-stats { grid-template-columns:1fr; }
  .account-dialog { padding:1.35rem; }
  .teacher-activity-card,.report-row { align-items:flex-start; flex-direction:column; }
  .report-score { text-align:left; }
  .report-attempt summary { align-items:flex-start; }
  .report-answer { grid-template-columns:1fr; }
  .activity-focus { min-height:calc(100vh - 94px); }
  .activity-question { min-height:52vh; }
  .mode-switcher { padding-inline:.45rem; }
  .mode-switcher small { display:none; }
  .mode-choice { grid-template-columns:1fr; }
  .workspace-hero,.studio-activity-card,.student-activity-card { align-items:flex-start; grid-template-columns:1fr; flex-direction:column; }
  .studio-card-actions { justify-content:flex-start; max-width:none; }
  .studio-metrics,.report-metrics { grid-template-columns:1fr; }
  .studio-top { top:66px; grid-template-columns:auto 1fr; }
  .studio-top .autosave-status { grid-column:2; }
  .studio-composer { grid-template-columns:1fr; }
  .composer-rail { position:static; grid-template-columns:repeat(5,auto); overflow-x:auto; }
  .composer-section { scroll-margin-top:125px; }
  .compact-grid,.choice-grid { grid-template-columns:1fr 1fr; }
  .weight-grid { grid-template-columns:1fr 1fr; }
  .composer-actions { flex-wrap:wrap; }
  .activity-route .activity-page { padding:.65rem; }
  .activity-options { grid-template-columns:1fr; }
  .lesson-vocabulary > div { grid-template-columns:1fr; }
  .matching-list label { grid-template-columns:1fr; }
  .focus-footer > span { display:none; }
  .invite-create-form { grid-template-columns:1fr; }
  .publish-rule-list { grid-template-columns:1fr; }
}

@media (max-width: 520px) {
  .compact-grid,.choice-grid { grid-template-columns:1fr; }
  .weight-grid { grid-template-columns:1fr; }
  .studio-top { top:60px; }
  .composer-rail { grid-template-columns:repeat(5,max-content); }
  .section-heading-row { align-items:flex-start; flex-direction:column; }
  .activity-focus { width:calc(100% - .7rem); margin:.35rem auto; }
  .focus-header { align-items:flex-start; }
  .focus-status { grid-auto-flow:row; justify-items:end; gap:.2rem; }
  .activity-question { padding:1rem; border-radius:17px; }
}

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

@media print {
  body.modal-open .app-shell,body.modal-open .topbar,body.modal-open .account-backdrop,body.modal-open .dialog-close,body.modal-open .report-heading > div:last-child,body.modal-open .manual-grade-form button { display:none!important; }
  body.modal-open #account-layer { display:block!important; }
  body.modal-open .account-dialog { position:static; width:100%; max-height:none; overflow:visible; transform:none; padding:0; border:0; box-shadow:none; }
  body.modal-open .attempt-report { break-inside:avoid; }
}