:root {
  --ink: #172235;
  --navy: #101a2b;
  --navy-2: #15233a;
  --muted: #788397;
  --line: #e3e7ed;
  --line-dark: rgba(255, 255, 255, 0.12);
  --paper: #f6f7f9;
  --white: #ffffff;
  --mint: #b9ebd6;
  --mint-strong: #56c794;
  --coral: #ff8c78;
  --shadow: 0 24px 60px rgba(24, 38, 62, 0.09);
  --radius: 18px;
  font-family: "DM Sans", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--paper); }
body { margin: 0; min-width: 320px; background: var(--paper); }
button, input { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible { outline: 3px solid rgba(86, 199, 148, 0.45); outline-offset: 3px; }
[hidden] { display: none !important; }

.app-shell { min-height: 100vh; display: flex; flex-direction: column; overflow: hidden; }
.topbar { height: 76px; padding: 0 6.5vw; display: flex; align-items: center; justify-content: space-between; color: #fff; background: var(--navy); }
.brand { color: #fff; text-decoration: none; display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { height: 27px; width: 27px; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; gap: 2px; transform: rotate(-13deg); }
.brand-mark span { display: block; width: 3px; background: var(--mint); border-radius: 5px; }
.brand-mark span:nth-child(1) { height: 8px; opacity: .65; }.brand-mark span:nth-child(2) { height: 15px; }.brand-mark span:nth-child(3) { height: 10px; opacity: .8; }
.brand-copy { display: grid; gap: 2px; }.brand-copy strong { letter-spacing: .18em; font-size: 13px; font-weight: 600; }.brand-copy small { color: rgba(255,255,255,.45); font: 9px "DM Mono", monospace; letter-spacing: .12em; }
.topbar-right { display: flex; align-items: center; gap: 24px; font: 11px "DM Mono", monospace; color: rgba(255,255,255,.65); }
.system-pill { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border: 1px solid rgba(255,255,255,.13); border-radius: 30px; }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--mint-strong); box-shadow: 0 0 0 3px rgba(86,199,148,.14); }
.clock { letter-spacing: .06em; }
.page-frame { width: min(1160px, 87vw); margin: 0 auto; flex: 1; }
.intro-row { padding: 74px 0 43px; display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.eyebrow, .section-index, .mono-label, .test-context, .question-topline, .score-label, .integrity-list, .keyboard-hint, .focus-footnote { font-family: "DM Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow { margin: 0 0 17px; font-size: 10px; color: var(--muted); }
h1, h2, h3, p { margin: 0; } h1 { font-size: clamp(37px, 4.2vw, 59px); line-height: 1.09; letter-spacing: -.065em; font-weight: 500; color: var(--navy); } h1 em { color: #7f8998; font-style: normal; }
.intro-copy { color: var(--muted); font-size: 13px; line-height: 1.9; text-align: right; }
.setup-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(300px, .85fr); gap: 20px; align-items: stretch; }
.panel { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.setup-panel { padding: 32px 34px 30px; }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.panel-heading.compact { padding-bottom: 20px; }
.section-index { color: #9ba5b4; font-size: 10px; }.panel-heading h2 { margin-top: 10px; color: var(--navy); font-size: 23px; letter-spacing: -.04em; font-weight: 600; }.panel-heading h3 { margin-top: 9px; font-size: 19px; letter-spacing: -.04em; }.panel-note { color: #a3acba; font-size: 11px; padding-top: 5px; }
.control-block { margin-top: 27px; }.compact-block { margin-top: 24px; }.field-label-row { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 11px; }.field-label { color: var(--ink); font-size: 12px; font-weight: 600; }.field-note { color: #a6afbc; font-size: 11px; }
.segmented-control { background: #f2f4f7; border-radius: 12px; padding: 4px; display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }.segment { border: 0; background: transparent; color: #8993a1; border-radius: 9px; height: 45px; display: flex; align-items: center; justify-content: center; gap: 10px; font-size: 13px; }.segment.is-active { color: var(--navy); background: #fff; box-shadow: 0 3px 12px rgba(17,33,54,.08); font-weight: 600; }.segment-code { color: var(--mint-strong); font: 11px "DM Mono", monospace; font-weight: 600; }
.source-options { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }.source-card { position: relative; min-height: 65px; border: 1px solid var(--line); border-radius: 10px; padding: 12px 11px; background: #fff; color: var(--ink); display: flex; align-items: center; gap: 10px; text-align: left; }.source-card.is-active { border-color: var(--mint-strong); background: #f3fbf7; }.source-icon { width: 27px; height: 27px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 7px; background: #eff3f6; color: var(--navy); font: 12px "DM Mono", monospace; }.source-card.is-active .source-icon { background: var(--mint); }.source-card strong, .source-card small { display: block; }.source-card strong { font-size: 12px; margin-bottom: 3px; }.source-card small { color: #9aa4b1; font-size: 10px; }.checkmark { display: none; position: absolute; top: 8px; right: 9px; color: var(--mint-strong); font-size: 12px; }.source-card.is-active .checkmark { display: block; }
.endpoint-field { margin-top: 12px; padding: 12px; border: 1px dashed #c9d0d9; border-radius: 10px; background: #fbfcfd; }.endpoint-field label { display: block; font-size: 10px; color: var(--muted); margin-bottom: 7px; }.endpoint-field input { width: 100%; border: 1px solid var(--line); border-radius: 7px; padding: 9px 10px; color: var(--ink); background: #fff; font: 11px "DM Mono", monospace; }.endpoint-field small { display: block; margin-top: 7px; color: #a1aab6; font-size: 10px; line-height: 1.5; }
.settings-line { margin-top: 25px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 15px; }.switch-row { display: flex; align-items: center; gap: 9px; cursor: pointer; }.switch-row input { position: absolute; opacity: 0; }.switch { width: 31px; height: 18px; padding: 2px; border-radius: 20px; background: #d9dee5; transition: .2s; }.switch::after { content: ""; display: block; width: 14px; height: 14px; border-radius: 50%; background: #fff; transition: .2s; box-shadow: 0 1px 3px rgba(0,0,0,.15); }.switch-row input:checked + .switch { background: var(--mint-strong); }.switch-row input:checked + .switch::after { transform: translateX(13px); }.switch-row strong, .switch-row small { display: block; }.switch-row strong { font-size: 11px; font-weight: 600; }.switch-row small { color: #a1aab6; font-size: 10px; margin-top: 3px; }.integrity-ready { display: inline-flex; align-items: center; gap: 8px; color: #788595; font-size: 10px; white-space: nowrap; }
.start-row { display: flex; align-items: center; gap: 22px; margin-top: 30px; }.primary-button { min-height: 45px; display: inline-flex; align-items: center; justify-content: center; gap: 27px; padding: 0 17px 0 20px; border: 1px solid var(--navy); border-radius: 9px; color: #fff; background: var(--navy); font-size: 12px; font-weight: 600; box-shadow: 0 8px 18px rgba(16,26,43,.12); transition: transform .2s, background .2s; }.primary-button:hover { transform: translateY(-1px); background: #1b2d49; }.primary-button.small { min-height: 39px; padding-left: 16px; gap: 18px; }.button-arrow { color: var(--mint); font-size: 17px; line-height: 1; }.text-button { border: 0; padding: 0; background: transparent; color: #7d8897; font-size: 11px; }.text-button span { color: var(--mint-strong); margin-left: 4px; font-size: 16px; }
.preview-column { display: flex; flex-direction: column; gap: 15px; }.preview-card { min-height: 327px; padding: 27px 28px 24px; border-radius: var(--radius); color: #fff; background: var(--navy-2); position: relative; overflow: hidden; box-shadow: var(--shadow); }.preview-card::after { content: ""; position: absolute; width: 180px; height: 180px; right: -75px; top: -75px; border: 1px solid rgba(185,235,214,.2); border-radius: 50%; box-shadow: 0 0 0 17px rgba(185,235,214,.035), 0 0 0 35px rgba(185,235,214,.025); }.preview-topline { display: flex; justify-content: space-between; color: rgba(255,255,255,.45); font-size: 10px; }.mono-label { font-size: 9px; color: var(--mint); }.preview-direction { margin-top: 55px; color: rgba(255,255,255,.47); font: 10px "DM Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }.preview-word { margin-top: 8px; font-size: 39px; letter-spacing: -.06em; font-weight: 500; }.preview-phonetic { margin-top: 5px; color: var(--mint); font: 12px "DM Mono", monospace; }.audio-button { border: 0; display: inline-flex; align-items: center; gap: 8px; color: inherit; background: transparent; font-size: 11px; }.preview-audio { margin-top: 23px; padding: 0; color: rgba(255,255,255,.75); }.audio-icon { color: var(--mint); font-size: 17px; transform: rotate(180deg); display: inline-block; }.audio-wave { display: inline-flex; align-items: center; gap: 2px; height: 15px; margin-left: 3px; }.audio-wave i { display: block; width: 2px; height: 5px; border-radius: 2px; background: var(--mint); opacity: .75; }.audio-wave i:nth-child(2) { height: 11px; }.audio-wave i:nth-child(3) { height: 8px; }.audio-wave i:nth-child(4) { height: 13px; }.audio-button.is-playing .audio-wave i { animation: wave .55s ease-in-out infinite alternate; }.audio-button.is-playing .audio-wave i:nth-child(2) { animation-delay: .12s; }.audio-button.is-playing .audio-wave i:nth-child(3) { animation-delay: .2s; }.audio-button.is-playing .audio-wave i:nth-child(4) { animation-delay: .08s; } @keyframes wave { to { height: 4px; } }
.preview-divider { margin: 24px 0 14px; height: 1px; background: rgba(255,255,255,.13); }.preview-answer-label { color: rgba(255,255,255,.4); font-size: 10px; }.preview-answer { margin-top: 7px; font-size: 13px; }.principle-card { min-height: 112px; padding: 21px 23px; display: flex; gap: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #edf9f3; }.principle-number { color: var(--mint-strong); font: 11px "DM Mono", monospace; padding-top: 2px; }.principle-card strong { display: block; font-size: 12px; color: var(--navy); }.principle-card p { margin-top: 8px; color: #789084; font-size: 11px; line-height: 1.65; }
.footer { width: min(1160px, 87vw); padding: 34px 0 27px; margin: auto; display: flex; justify-content: space-between; color: #acb4bf; font: 9px "DM Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }

.test-view, .results-view { padding-bottom: 56px; }.test-toolbar { margin-top: 15px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }.test-context { display: flex; gap: 16px; align-items: center; color: var(--muted); font-size: 10px; }.test-lock { display: inline-flex; align-items: center; gap: 7px; color: var(--mint-strong); font-size: 9px; }.test-actions { display: flex; align-items: center; gap: 14px; }.integrity-counter { color: #a0a9b6; font: 10px "DM Mono", monospace; }.toolbar-button { border: 1px solid var(--line); border-radius: 8px; height: 35px; padding: 0 12px; color: #6d7989; background: #fff; font-size: 10px; }.toolbar-button.quiet { border-color: transparent; background: transparent; color: #aa6370; }.progress-track { width: 100%; height: 3px; margin-top: 18px; background: #e8ebef; border-radius: 3px; }.progress-track span { display: block; width: 10%; height: 100%; background: var(--mint-strong); border-radius: inherit; transition: width .3s ease; }.question-layout { display: grid; grid-template-columns: 85px minmax(0, 650px); justify-content: center; gap: 35px; margin: 65px auto 0; }.question-side-note { display: flex; flex-direction: column; gap: 12px; padding-top: 6px; color: #a5aebb; font: 10px "DM Mono", monospace; }.question-side-note span:nth-child(2) { font-size: 21px; color: var(--navy); }.side-rule { width: 20px; height: 1px; background: var(--mint-strong); }.question-side-note small { font: 10px "Noto Sans SC", sans-serif; color: #a5aebb; }.question-card { padding: 28px 33px 24px; min-height: 476px; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); }.question-topline { display: flex; justify-content: space-between; color: #a0a9b6; font-size: 10px; }.prompt-zone { min-height: 221px; padding: 65px 0 40px; text-align: center; }.question-prompt { color: var(--navy); font-size: clamp(44px, 7vw, 71px); line-height: 1.1; letter-spacing: -.07em; font-weight: 500; word-break: break-word; }.prompt-phonetic { margin-top: 12px; color: var(--mint-strong); font: 12px "DM Mono", monospace; }.question-audio { margin-top: 21px; color: #7d8898; }.question-audio .audio-icon { color: var(--mint-strong); }.answer-zone { border-top: 1px solid var(--line); padding-top: 24px; }.answer-zone label { display: block; margin-bottom: 11px; color: #7a8594; font-size: 11px; }.answer-input-wrap { position: relative; }.answer-input-wrap input { width: 100%; height: 49px; padding: 0 42px 0 15px; border: 1px solid #d8dee6; border-radius: 9px; color: var(--navy); background: #fbfcfd; font-size: 14px; }.answer-input-wrap input::placeholder { color: #b3bac4; }.input-key { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: #aeb6c0; font: 11px "DM Mono", monospace; }.question-hint { margin-top: 8px; color: #98a3b1; font-size: 11px; }.feedback { margin-top: 13px; padding: 12px 14px; border-radius: 8px; font-size: 11px; line-height: 1.6; }.feedback.correct { color: #19704b; background: #edfaf4; }.feedback.wrong { color: #9e5e50; background: #fff1ee; }.feedback strong { font-weight: 600; }.question-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 24px; }.keyboard-hint { display: inline-flex; align-items: center; gap: 8px; color: #aab2bd; font-size: 9px; }.keyboard-hint kbd { min-width: 38px; height: 23px; padding: 0 6px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 5px; background: #fbfcfd; font: 9px "DM Mono", monospace; }.focus-footnote { width: fit-content; margin: 25px auto 0; color: #aeb6c0; font-size: 9px; letter-spacing: .04em; text-transform: none; }.shield-icon { color: var(--mint-strong); margin-right: 7px; }

.results-heading { padding: 54px 0 27px; display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }.results-heading h2 { color: var(--navy); font-size: 34px; letter-spacing: -.065em; font-weight: 500; }.result-actions { display: flex; align-items: center; gap: 22px; }.result-summary { display: grid; grid-template-columns: 1.2fr .7fr .9fr .9fr 1.45fr; min-height: 156px; background: var(--navy); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); color: #fff; }.score-card { position: relative; padding: 27px 26px; border-right: 1px solid rgba(255,255,255,.1); }.score-label { color: var(--mint); font-size: 9px; }.score-card strong { display: inline-block; margin-top: 16px; font-size: 58px; font-weight: 500; letter-spacing: -.07em; }.score-unit { color: rgba(255,255,255,.38); font: 12px "DM Mono", monospace; margin-left: 8px; }.score-ring { position: absolute; width: 75px; height: 75px; right: 24px; top: 39px; border-radius: 50%; background: conic-gradient(var(--mint) 0deg, rgba(255,255,255,.1) 0deg); mask: radial-gradient(transparent 57%, #000 59%); -webkit-mask: radial-gradient(transparent 57%, #000 59%); }.summary-stat { padding: 33px 19px 20px; border-right: 1px solid rgba(255,255,255,.1); }.summary-stat span { display: block; color: rgba(255,255,255,.45); font-size: 10px; }.summary-stat strong { display: inline-block; margin-top: 20px; font: 25px "DM Mono", monospace; color: #fff; }.summary-stat small { color: rgba(255,255,255,.38); font-size: 10px; margin-left: 5px; }.summary-comment { display: flex; gap: 10px; align-items: center; padding: 25px 25px; }.comment-mark { color: var(--mint); font-size: 42px; line-height: .6; font-family: Georgia, serif; }.summary-comment p { color: rgba(255,255,255,.7); font-size: 12px; line-height: 1.75; }.report-grid { margin-top: 20px; display: grid; grid-template-columns: 1.35fr .65fr; gap: 20px; }.answer-report, .integrity-report { padding: 27px 29px; }.answer-list { margin-top: 6px; }.answer-row { display: grid; grid-template-columns: 37px 1fr 112px; gap: 12px; align-items: center; padding: 15px 0; border-bottom: 1px solid #eef0f3; }.answer-row:last-child { border-bottom: 0; }.answer-index { color: #aeb6c1; font: 10px "DM Mono", monospace; }.answer-pair { min-width: 0; }.answer-pair strong { display: block; font-size: 12px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }.answer-pair small { display: block; margin-top: 5px; color: #98a3b0; font-size: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }.result-badge { justify-self: end; padding: 6px 8px; border-radius: 6px; font: 9px "DM Mono", monospace; }.result-badge.correct { color: #308262; background: #eaf8f1; }.result-badge.wrong { color: #ae6b5d; background: #fff0ed; }.integrity-message { margin-top: 21px; padding: 12px 13px; display: flex; align-items: flex-start; gap: 9px; color: #4f8068; background: #edf9f3; border-radius: 8px; font-size: 10px; line-height: 1.55; }.integrity-message .status-dot { margin-top: 3px; }.integrity-list { margin-top: 17px; font-size: 9px; text-transform: none; letter-spacing: 0; }.integrity-item { display: grid; grid-template-columns: 8px 1fr; gap: 10px; padding: 9px 0; border-bottom: 1px solid #eef0f3; color: #8994a2; line-height: 1.5; }.integrity-item::before { content: ""; width: 5px; height: 5px; margin-top: 5px; border-radius: 50%; background: var(--coral); }.integrity-empty { color: #a4adb8; font-size: 11px; line-height: 1.7; }
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 20; max-width: min(90vw, 500px); padding: 12px 16px; border: 1px solid rgba(255,255,255,.12); border-radius: 9px; color: #fff; background: var(--navy); box-shadow: 0 14px 30px rgba(16,26,43,.2); font-size: 11px; transform: translate(-50%, 30px); opacity: 0; pointer-events: none; transition: .25s ease; }.toast.is-visible { transform: translate(-50%, 0); opacity: 1; }

.account-controls { display: flex; align-items: center; gap: 8px; padding-left: 13px; border-left: 1px solid rgba(255,255,255,.14); }.account-avatar { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 50%; color: var(--navy); background: var(--mint); font: 11px "DM Mono", monospace; font-weight: 600; }.account-meta { display: grid; gap: 2px; min-width: 70px; }.account-meta strong { color: #fff; font-size: 10px; font-weight: 500; }.account-meta small { color: rgba(255,255,255,.4); font-size: 9px; }.logout-button { padding: 0 0 0 7px; border: 0; color: rgba(255,255,255,.48); background: transparent; font-size: 10px; }.logout-button:hover { color: var(--mint); }
.auth-view { padding: 70px 0 82px; }.auth-grid { width: min(960px, 100%); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) 390px; align-items: center; gap: 80px; }.auth-copy h1 { font-size: clamp(38px, 4vw, 56px); }.auth-description { max-width: 380px; margin-top: 27px; color: var(--muted); font-size: 13px; line-height: 1.9; }.auth-feature-list { display: grid; gap: 12px; margin-top: 35px; color: #8994a2; font: 10px "DM Mono", monospace; }.auth-feature-list span { display: flex; align-items: center; gap: 12px; }.auth-feature-list i { display: inline-grid; place-items: center; width: 26px; height: 22px; border-radius: 6px; color: var(--mint-strong); background: #eaf8f1; font-style: normal; font-size: 9px; }.auth-card { padding: 29px 31px 25px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }.auth-card-heading { display: flex; justify-content: space-between; align-items: center; }.auth-lock { color: var(--mint-strong); font: 9px "DM Mono", monospace; }.auth-card h2 { margin-top: 36px; color: var(--navy); font-size: 24px; letter-spacing: -.045em; }.auth-card-subtitle { margin-top: 8px; color: #a1aab6; font-size: 11px; }.login-form { margin-top: 24px; }.login-form label, .student-create-form label { display: block; margin: 0 0 8px; color: #7d8897; font-size: 10px; }.login-form input, .student-create-form input { width: 100%; height: 42px; margin-bottom: 17px; padding: 0 12px; border: 1px solid #d9dfe6; border-radius: 8px; outline: 0; color: var(--navy); background: #fbfcfd; font-size: 12px; }.login-form input:focus, .student-create-form input:focus { border-color: var(--mint-strong); box-shadow: 0 0 0 3px rgba(86,199,148,.12); }.auth-submit { width: 100%; margin-top: 4px; justify-content: space-between; }.login-error, .admin-form-message { margin: -3px 0 14px; padding: 9px 11px; border-radius: 7px; color: #a06053; background: #fff1ee; font-size: 10px; line-height: 1.5; }.demo-account-box { padding-top: 19px; margin-top: 20px; border-top: 1px solid var(--line); }.demo-account-box > span { display: block; margin-bottom: 11px; color: #a5afbb; font: 9px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }.demo-account-box > div { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }.demo-account { min-height: 49px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 7px; color: var(--ink); background: #fff; text-align: left; }.demo-account:hover { border-color: var(--mint-strong); background: #f3fbf7; }.demo-account strong, .demo-account small { display: block; }.demo-account strong { font-size: 10px; }.demo-account small { margin-top: 4px; color: #9aa4b1; font: 9px "DM Mono", monospace; }
.admin-view { padding: 55px 0 65px; }.admin-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }.admin-heading h2 { color: var(--navy); font-size: 36px; letter-spacing: -.06em; font-weight: 500; }.admin-heading p:not(.eyebrow) { margin-top: 10px; color: var(--muted); font-size: 12px; }.admin-badge { display: inline-flex; align-items: center; gap: 8px; padding: 9px 11px; border: 1px solid #cdebdc; border-radius: 30px; color: #4b8869; background: #f1fbf6; font-size: 10px; white-space: nowrap; }.admin-stats { display: grid; grid-template-columns: .85fr .85fr .85fr 1.5fr; margin-top: 34px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--white); box-shadow: var(--shadow); }.admin-stat { min-height: 123px; padding: 24px 22px; border-right: 1px solid var(--line); }.admin-stat:last-child { border-right: 0; }.admin-stat > span { display: block; color: #9aa4b0; font-size: 10px; }.admin-stat strong { display: inline-block; margin-top: 17px; color: var(--navy); font: 26px "DM Mono", monospace; }.admin-stat small { margin-left: 4px; color: #a8b0bb; font-size: 9px; }.admin-stat-note { display: flex; align-items: center; gap: 14px; background: #f4fbf7; }.admin-stat-note > i { color: var(--mint-strong); font-size: 28px; font-style: normal; }.admin-stat-note p { max-width: 200px; color: #719281; font-size: 11px; line-height: 1.7; }.admin-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 20px; margin-top: 20px; }.account-manager-panel, .admin-activity-panel { padding: 27px 29px; }.student-create-form { margin-top: 21px; padding: 17px 17px 4px; border: 1px solid #e7ebef; border-radius: 10px; background: #fbfcfd; }.admin-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }.student-create-form input { height: 38px; margin-bottom: 13px; background: #fff; font-size: 11px; }.admin-form-action { display: flex; align-items: flex-end; padding-bottom: 13px; }.admin-form-action .primary-button { width: 100%; min-height: 38px; justify-content: space-between; }.admin-form-message { margin: -1px 0 10px; color: #317b5a; background: #eaf8f1; }.account-list { margin-top: 23px; }.account-row { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 11px; padding: 13px 0; border-bottom: 1px solid #eef0f3; }.account-row:last-child { border-bottom: 0; }.account-row-avatar { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 50%; color: #607080; background: #edf1f4; font: 10px "DM Mono", monospace; }.account-row strong, .account-row small { display: block; }.account-row strong { color: var(--ink); font-size: 11px; }.account-row small { margin-top: 4px; color: #9ca5b1; font: 9px "DM Mono", monospace; }.role-badge { padding: 5px 7px; border-radius: 5px; color: #4c866a; background: #eaf8f1; font: 9px "DM Mono", monospace; }.admin-session-list { margin-top: 10px; }.admin-session-row { padding: 15px 0; border-bottom: 1px solid #eef0f3; }.admin-session-row:last-child { border-bottom: 0; }.admin-session-main { display: flex; justify-content: space-between; gap: 12px; }.admin-session-main strong { color: var(--ink); font-size: 11px; }.admin-session-score { color: var(--mint-strong); font: 12px "DM Mono", monospace; }.admin-session-row small { display: block; margin-top: 6px; color: #9ba5b1; font-size: 10px; }.admin-empty { padding: 28px 0; color: #a4adb8; font-size: 11px; line-height: 1.7; }

@media (max-width: 900px) { .page-frame, .footer { width: min(750px, 87vw); }.intro-row { padding-top: 54px; }.setup-grid { grid-template-columns: 1fr; }.preview-column { display: grid; grid-template-columns: 1fr 1fr; }.result-summary { grid-template-columns: 1.2fr .7fr .8fr; }.summary-comment { grid-column: 1 / -1; min-height: 90px; border-top: 1px solid rgba(255,255,255,.1); }.report-grid { grid-template-columns: 1fr; }.auth-grid { grid-template-columns: 1fr 370px; gap: 45px; }.admin-grid { grid-template-columns: 1fr; }.admin-stats { grid-template-columns: .8fr .8fr .8fr 1.4fr; } }
@media (max-width: 620px) { .topbar { padding: 0 6vw; height: 68px; }.topbar-right { gap: 10px; }.clock { display: none; }.brand-copy small { display: none; }.account-meta { display: none; }.account-controls { padding-left: 8px; }.page-frame, .footer { width: 88vw; }.intro-row { display: block; padding: 46px 0 31px; }.intro-copy { margin-top: 18px; text-align: left; font-size: 12px; }.setup-panel { padding: 24px 20px; }.panel-heading { padding-bottom: 20px; }.field-label-row { display: block; }.field-note { display: block; margin-top: 5px; }.source-options { grid-template-columns: 1fr; }.settings-line { align-items: flex-start; flex-direction: column; }.start-row { flex-wrap: wrap; gap: 16px; }.preview-column { display: flex; }.preview-card { min-height: 300px; }.auth-view { padding-top: 43px; }.auth-grid { display: block; }.auth-copy h1 { font-size: 39px; }.auth-description { margin-top: 19px; }.auth-feature-list { margin-top: 23px; }.auth-card { margin-top: 34px; padding: 24px 20px 20px; }.demo-account-box > div { grid-template-columns: 1fr; }.test-toolbar { align-items: flex-start; flex-direction: column; }.test-actions { width: 100%; justify-content: space-between; gap: 7px; }.integrity-counter { margin-right: auto; }.question-layout { display: block; margin-top: 37px; }.question-side-note { display: none; }.question-card { padding: 22px 18px 18px; min-height: 0; }.prompt-zone { min-height: 207px; padding: 61px 0 31px; }.question-prompt { font-size: 46px; }.question-footer { flex-wrap: wrap; }.keyboard-hint { order: 2; width: 100%; }.results-heading { align-items: flex-start; flex-direction: column; padding-top: 43px; }.results-heading h2 { font-size: 31px; }.result-summary { grid-template-columns: 1fr 1fr; }.score-card { grid-column: 1 / -1; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }.summary-stat { min-height: 110px; }.summary-stat:nth-of-type(3) { border-right: 0; }.summary-comment { grid-column: 1 / -1; }.answer-report, .integrity-report, .account-manager-panel, .admin-activity-panel { padding: 23px 18px; }.answer-row { grid-template-columns: 28px 1fr auto; gap: 8px; }.result-badge { font-size: 8px; }.admin-view { padding-top: 43px; }.admin-heading { align-items: flex-start; flex-direction: column; }.admin-heading h2 { font-size: 31px; }.admin-stats { grid-template-columns: 1fr 1fr; }.admin-stat { min-height: 108px; }.admin-stat:nth-child(2) { border-right: 0; }.admin-stat-note { grid-column: 1 / -1; border-top: 1px solid var(--line); }.admin-form-row { grid-template-columns: 1fr; gap: 0; }.admin-form-action { padding: 0 0 13px; }.footer { align-items: flex-start; flex-direction: column; gap: 8px; } }

@media (max-width: 620px) {
  .topbar { gap: 8px; }
  .brand { min-width: 0; gap: 8px; }
  .brand-mark { flex: 0 0 27px; }
  .brand-copy { min-width: 0; }
  .brand-copy strong { white-space: nowrap; font-size: 11px; letter-spacing: .08em; }
  .topbar-right { min-width: 0; flex: 1 1 auto; gap: 6px; }
  .system-pill { flex: 0 0 auto; padding: 6px 7px; }
  .system-pill > span:last-child { display: none; }
  .account-controls { min-width: 0; flex: 0 1 auto; gap: 3px; padding-left: 6px; }
  .account-avatar { flex: 0 0 25px; width: 25px; height: 25px; }
  .account-link { padding: 0 2px; font-size: 9px; white-space: nowrap; }
  .logout-button { flex: 0 0 auto; padding-left: 2px; font-size: 9px; }
}
.account-row-actions { display: flex; align-items: center; gap: 8px; justify-content: flex-end; }.account-delete-button { min-height: 25px; padding: 0 8px; border: 1px solid #ead1cb; border-radius: 5px; color: #a26458; background: #fff8f6; font-size: 9px; }.account-delete-button:hover { border-color: #d99e92; color: #8c4d42; background: #fff0ed; }
.admin-create-form { background: #f7fbfd; }.admin-create-form .form-heading { margin-top: -2px; }.form-heading h4 { margin-top: 4px; color: var(--navy); font-size: 13px; font-weight: 600; }
.assignment-review-summary { display: grid; gap: 5px; margin: 12px 0; padding: 10px; border-radius: 7px; color: #557261; background: #f1fbf6; font-size: 10px; line-height: 1.6; }.assignment-review-summary span { color: var(--muted); }.assignment-feedback-files a { margin-left: 4px; color: var(--mint-strong); }
.assignment-card, .course-card, .teacher-review-card { padding: 20px; margin-bottom: 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--white); }.assignment-card p, .course-card p, .teacher-review-card small { display: block; margin: 8px 0 14px; color: var(--muted); font-size: 11px; line-height: 1.7; }.assignment-upload-form, .teacher-review-card form { display: grid; gap: 10px; }.assignment-upload-form input, .teacher-review-card input, .teacher-review-card textarea, .teacher-review-card select { width: 100%; padding: 9px; border: 1px solid #d9dfe6; border-radius: 7px; color: var(--navy); background: #fff; font-size: 11px; }.assignment-message { margin-top: 10px; color: #4b8869; font-size: 10px; }.teacher-review-files { margin: 10px 0; font-size: 11px; }.teacher-review-files a { color: var(--mint-strong); }.course-lesson { display: grid; gap: 6px; padding: 13px 0; border-top: 1px solid var(--line); }.course-lesson small { color: var(--muted); font-size: 10px; }.video-toolbar { color: var(--muted); font-size: 10px; }.video-toolbar select { margin-left: 5px; padding: 4px 6px; border: 1px solid var(--line); border-radius: 5px; background: #fff; color: var(--navy); }.course-lesson video { width: min(100%, 640px); margin-top: 5px; border-radius: 8px; background: #101a2b; }

.direction-control { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 620px) { .direction-control { grid-template-columns: 1fr; } }
.admin-form-message.is-error { color: #a06053; background: #fff1ee; }
.wordbank-upload-hint { display: block; margin: -2px 0 13px; color: #8c98a6; font-size: 10px; line-height: 1.6; }
.wordbank-source-status { color: #4b8869; }
.wordbank-source-status.is-fallback { color: #a26458; }
.wordbank-version-list { margin-top: 17px; }
.wordbank-version-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 0; border-top: 1px solid #eef0f3; }
.wordbank-version-row strong, .wordbank-version-row small { display: block; }
.wordbank-version-row strong { color: var(--ink); font-size: 11px; }
.wordbank-version-row small { margin-top: 5px; color: #9ca5b1; font-size: 9px; }
.wordbank-version-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.wordbank-status, .wordbank-action { min-height: 27px; padding: 0 8px; border: 1px solid #cdebdc; border-radius: 6px; color: #4b8869; background: #f1fbf6; font-size: 9px; white-space: nowrap; }
.wordbank-action { border-color: #dce2e7; color: #667483; background: #fff; cursor: pointer; }
.wordbank-action.quiet { border-color: #ead1cb; color: #a26458; background: #fff8f6; }
.account-link { padding: 0 8px; border: 0; color: var(--mint); background: transparent; font-size: 10px; white-space: nowrap; }.account-link:hover { color: #fff; }
.student-history-view { padding: 54px 0 65px; }.history-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }.history-heading h2 { color: var(--navy); font-size: 36px; letter-spacing: -.06em; font-weight: 500; }.history-heading p:not(.eyebrow) { margin-top: 10px; color: var(--muted); font-size: 12px; }.personal-stats { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 34px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--white); box-shadow: var(--shadow); }.personal-stat { min-height: 119px; padding: 24px 22px; border-right: 1px solid var(--line); }.personal-stat:last-child { border-right: 0; }.personal-stat > span { display: block; color: #9aa4b0; font-size: 10px; }.personal-stat strong { display: inline-block; margin-top: 17px; color: var(--navy); font: 26px "DM Mono", monospace; }.personal-stat small { margin-left: 4px; color: #a8b0bb; font-size: 9px; }.history-grid { display: grid; grid-template-columns: 1.28fr .72fr; gap: 20px; margin-top: 20px; }.personal-history-panel, .privacy-panel { padding: 27px 29px; }.student-history-list { margin-top: 11px; }.history-item { border-bottom: 1px solid #eef0f3; }.history-item:last-child { border-bottom: 0; }.history-item summary { display: grid; grid-template-columns: 1fr auto; gap: 15px; align-items: center; padding: 17px 0; cursor: pointer; list-style: none; }.history-item summary::-webkit-details-marker { display: none; }.history-item summary::after { content: "+"; color: #aab3be; font: 16px "DM Mono", monospace; }.history-item[open] summary::after { content: "−"; color: var(--mint-strong); }.history-summary-main strong, .history-summary-main small { display: block; }.history-summary-main strong { color: var(--ink); font-size: 12px; }.history-summary-main small { margin-top: 6px; color: #9ba5b1; font-size: 10px; }.history-summary-score { justify-self: end; color: var(--mint-strong); font: 16px "DM Mono", monospace; }.history-summary-score small { color: #a3acb7; font: 9px "DM Mono", monospace; }.history-detail { padding: 1px 0 15px 14px; border-left: 2px solid #e7f6ee; }.history-answer-row { display: grid; grid-template-columns: 28px 1fr auto; gap: 8px; align-items: center; padding: 8px 0; color: #7d8897; font-size: 10px; }.history-answer-row > span:first-child { color: #aeb6c1; font: 9px "DM Mono", monospace; }.history-answer-row strong { color: var(--ink); font-weight: 600; }.history-answer-row small { display: block; margin-top: 3px; color: #a1aab6; font-size: 9px; }.history-answer-row em { padding: 4px 6px; border-radius: 4px; color: #9a6558; background: #fff1ee; font: 8px "DM Mono", monospace; font-style: normal; }.history-answer-row em.is-correct { color: #3f8061; background: #eaf8f1; }.privacy-panel { min-height: 210px; background: var(--navy); color: #fff; }.privacy-mark { display: block; margin-bottom: 23px; color: var(--mint); font-size: 26px; }.privacy-panel .section-index { color: rgba(255,255,255,.42); }.privacy-panel h3 { margin-top: 13px; font-size: 20px; letter-spacing: -.04em; font-weight: 500; }.privacy-panel > p { margin-top: 13px; color: rgba(255,255,255,.56); font-size: 11px; line-height: 1.8; }.privacy-line { display: flex; align-items: center; gap: 8px; margin-top: 29px; padding-top: 15px; border-top: 1px solid rgba(255,255,255,.12); color: var(--mint); font: 9px "DM Mono", monospace; }
.admin-history-item { border-bottom: 1px solid #eef0f3; }.admin-history-item:last-child { border-bottom: 0; }.admin-history-item summary { position: relative; display: block; padding: 15px 22px 15px 0; cursor: pointer; list-style: none; }.admin-history-item summary::-webkit-details-marker { display: none; }.admin-history-item summary::after { content: "+"; position: absolute; right: 0; top: 15px; color: #aab3be; font: 16px "DM Mono", monospace; }.admin-history-item[open] summary::after { content: "−"; color: var(--mint-strong); }.admin-history-item .admin-session-main strong { display: flex; align-items: baseline; gap: 8px; }.admin-session-main strong small { color: #a1aab6; font: 9px "DM Mono", monospace; font-weight: 400; }.admin-history-detail { padding: 2px 0 14px 13px; border-left: 2px solid #e7f6ee; }.admin-history-answer { display: grid; grid-template-columns: 28px 1fr auto; gap: 8px; align-items: center; padding: 8px 0; color: #7d8897; font-size: 10px; }.admin-history-answer > span { color: #aeb6c1; font: 9px "DM Mono", monospace; }.admin-history-answer strong { color: var(--ink); font-weight: 600; }.admin-history-answer small { display: block; margin-top: 3px; color: #a1aab6; font-size: 9px; }.admin-history-answer em { padding: 4px 6px; border-radius: 4px; color: #9a6558; background: #fff1ee; font: 8px "DM Mono", monospace; font-style: normal; }.admin-history-answer em.is-correct { color: #3f8061; background: #eaf8f1; }
.admin-input-behavior, .history-input-behavior { margin-top: 10px; padding: 9px 10px; border: 1px solid #dcefe5; border-radius: 7px; color: #5b896f; background: #f4fbf7; font: 9px/1.6 "DM Mono", monospace; }
@media (max-width: 900px) { .history-grid { grid-template-columns: 1fr; } }
@media (max-width: 620px) { .history-heading { align-items: flex-start; flex-direction: column; }.history-heading h2 { font-size: 31px; }.personal-stats { grid-template-columns: 1fr 1fr; }.personal-stat { min-height: 108px; }.personal-stat:nth-child(2) { border-right: 0; }.personal-history-panel, .privacy-panel { padding: 23px 18px; }.account-meta { display: none; }.account-controls { padding-left: 8px; } }
.list-select-wrap { position: relative; }
.list-select-wrap select { appearance: none; width: 100%; height: 45px; padding: 0 40px 0 13px; border: 1px solid var(--line); border-radius: 9px; color: var(--navy); background: #fff; font-size: 12px; outline: 0; cursor: pointer; }
.list-select-wrap select:focus { border-color: var(--mint-strong); box-shadow: 0 0 0 3px rgba(86,199,148,.12); }
.list-select-chevron { position: absolute; right: 14px; top: 50%; color: #91a0ad; pointer-events: none; font-size: 16px; line-height: 1; transform: translateY(-50%); }
.list-caption { margin-top: 9px; color: #a1aab6; font-size: 10px; line-height: 1.6; }
.mode-control { max-width: 420px; }
.mode-control .segment { flex: 1; }
.listening-setup-block { padding: 14px 15px; border: 1px solid #dcefe5; border-radius: 9px; background: #f5fbf7; }
.listening-setup-block .list-caption { margin-top: 4px; color: #6f907e; }
.prompt-stage { margin-top: 13px; color: var(--mint-strong); font: 10px "DM Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }
#listening-audio { display: none; }
#start-button:disabled, #preview-audio:disabled { cursor: not-allowed; opacity: .48; }
.listening-setup-block[hidden], #vocabulary-hint-setting[hidden] { display: none; }
.listening-activity-control { margin-bottom: 14px; }
.listening-source-panel { padding-top: 13px; border-top: 1px solid #dcefe5; }
.listening-fill-layout { max-width: 980px; margin: 34px auto 0; }
.fill-workspace { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }
.fill-audio-bar { position: sticky; top: 0; z-index: 3; display: grid; grid-template-columns: minmax(180px, 1fr) minmax(280px, 1.5fr) auto; align-items: center; gap: 24px; padding: 22px 26px; color: #fff; background: var(--navy); }
.fill-audio-bar h2 { margin-top: 6px; font-size: 20px; font-weight: 500; letter-spacing: -.04em; }
.fill-audio-bar .section-index { color: var(--mint); }
.fill-audio-bar audio { width: 100%; height: 38px; accent-color: var(--mint-strong); }
.fill-progress-copy { min-width: 92px; text-align: right; color: rgba(255,255,255,.5); font: 10px "DM Mono", monospace; }
.fill-progress-copy strong { margin-right: 3px; color: var(--mint); font-size: 20px; font-weight: 500; }
.fill-section-tabs { display: flex; gap: 8px; overflow-x: auto; padding: 15px 22px; border-bottom: 1px solid var(--line); background: #fbfcfd; scrollbar-width: thin; }
.fill-section-tab { flex: 0 0 auto; height: 33px; padding: 0 12px; border: 1px solid var(--line); border-radius: 7px; color: #7d8897; background: #fff; font-size: 10px; }
.fill-section-tab.is-active { border-color: #a6ddc4; color: #326f55; background: #edf9f3; font-weight: 600; }
.fill-transcript { min-height: 460px; padding: 31px 38px 35px; }
.fill-transcript-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 23px; }
.fill-transcript-heading h3 { color: var(--navy); font-size: 20px; letter-spacing: -.035em; }
.fill-transcript-heading span { color: #a1aab6; font: 9px "DM Mono", monospace; }
.fill-paragraph { margin: 0 0 17px; color: #3b4758; font: 16px/2.35 Georgia, "Times New Roman", serif; }
.fill-speaker { margin-right: 9px; color: var(--navy); font: 700 11px "DM Mono", monospace; letter-spacing: .04em; }
.fill-blank { width: 104px; height: 31px; margin: 0 4px; padding: 2px 7px 0; border: 0; border-bottom: 1.5px solid #9aa6b3; border-radius: 5px 5px 2px 2px; color: var(--navy); background: #f4f7f8; font: 13px "DM Sans", "Noto Sans SC", sans-serif; text-align: center; vertical-align: baseline; transition: border-color .15s, background .15s, box-shadow .15s; }
.fill-blank:focus { border-color: var(--mint-strong); background: #eefaf4; box-shadow: 0 2px 0 rgba(86,199,148,.22); outline: 0; }
.fill-blank.is-filled { border-color: #72bd99; background: #f1faf5; }
.fill-actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; padding: 18px 24px; border-top: 1px solid var(--line); background: #fbfcfd; }
.fill-actions > span { margin-right: auto; color: #98a3b0; font: 9px "DM Mono", monospace; }
.fill-actions button:disabled { cursor: not-allowed; opacity: .42; }

.initial-account-box { margin-top: 20px; padding: 15px 16px; border: 1px solid #dbeee4; border-radius: 9px; background: #f3fbf7; }
.initial-account-box span, .initial-account-box strong, .initial-account-box small { display: block; }
.initial-account-box span { color: #82998d; font-size: 9px; letter-spacing: .06em; }
.initial-account-box strong { margin-top: 7px; color: var(--navy); font: 12px "DM Mono", monospace; }
.initial-account-box small { margin-top: 4px; color: #779184; font-size: 10px; }
.feedback.checking { color: #526f84; background: #eef5f8; }
.feedback.checking::before { content: "◌"; display: inline-block; margin-right: 6px; animation: feedback-spin .9s linear infinite; }
@keyframes feedback-spin { to { transform: rotate(360deg); } }
.feedback.review { color: #8a681d; background: #fff8df; }
.result-badge.review { color: #92701f; background: #fff5d4; }
.admin-history-answer em.status-correct, .history-answer-row em.status-correct { color: #3f8061; background: #eaf8f1; }
.admin-history-answer em.status-review, .history-answer-row em.status-review { color: #8d6a1d; background: #fff5d4; }
.admin-history-answer em.status-wrong, .history-answer-row em.status-wrong { color: #9a6558; background: #fff1ee; }
.manual-review-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 8px; }
.manual-review-actions .manual-review-note { flex-basis: 100%; margin: 0 0 2px; color: #9b7a31; }
.manual-review-button { min-height: 28px; padding: 0 9px; border: 1px solid #dce2e7; border-radius: 6px; color: #6f7a87; background: #fff; font-size: 9px; }
.manual-review-button.correct:hover, .manual-review-button.correct.is-selected { border-color: #91cfb1; color: #367759; background: #edf9f3; }
.manual-review-button.wrong:hover, .manual-review-button.wrong.is-selected { border-color: #e4b7ad; color: #995d50; background: #fff1ee; }

@media (max-width: 760px) {
  .fill-audio-bar { grid-template-columns: 1fr; gap: 14px; }
  .fill-progress-copy { position: absolute; top: 24px; right: 24px; }
  .fill-transcript { padding: 25px 19px 29px; }
  .fill-paragraph { font-size: 15px; line-height: 2.5; }
  .fill-blank { width: 88px; margin-inline: 2px; }
  .fill-actions { flex-wrap: wrap; padding: 15px 17px; }
  .fill-actions > span { width: 100%; margin: 0; text-align: center; order: -1; }
  #fill-submit-button { width: 100%; justify-content: space-between; }
}

@media (max-width: 620px) {
  .topbar { gap: 8px; }
  .brand { min-width: 0; gap: 8px; }
  .brand-mark { flex: 0 0 27px; }
  .brand-copy { min-width: 0; }
  .brand-copy strong { white-space: nowrap; font-size: 11px; letter-spacing: .08em; }
  .topbar-right { min-width: 0; flex: 1 1 auto; gap: 6px; }
  .system-pill { flex: 0 0 auto; padding: 6px 7px; }
  .account-controls { min-width: 0; flex: 0 1 auto; gap: 3px; padding-left: 6px; }
  .account-avatar { flex: 0 0 25px; width: 25px; height: 25px; }
  .account-link { padding: 0 2px; font-size: 9px; white-space: nowrap; }
  .logout-button { flex: 0 0 auto; padding-left: 2px; font-size: 9px; }
  .wordbank-version-row { align-items: flex-start; flex-direction: column; }
  .wordbank-version-actions { width: 100%; justify-content: flex-start; }
}
.ielts-student-view { width: 100%; }
.ielts-sync-status { margin: 18px 0 12px; color: var(--muted); font-size: 11px; }
.ielts-frame-wrap { height: min(78vh, 900px); min-height: 540px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #f7f9f8; box-shadow: var(--shadow); }
.ielts-frame-wrap iframe { display: block; width: 100%; height: 100%; border: 0; background: #f7f9f8; }
@media (max-width: 620px) { .ielts-frame-wrap { height: 74vh; min-height: 480px; } }
.training-report-section { margin-top: 25px; padding-top: 18px; border-top: 1px solid var(--line); }
.training-report-section > h4 { margin-bottom: 10px; color: var(--navy); font-size: 12px; font-weight: 600; }
.training-report-loading, .training-report-empty, .training-report-error { padding: 12px 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.training-report-error { color: #9a6558; }
.training-report-card { margin: 9px 0; padding: 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.training-report-card-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.training-report-title { color: var(--ink); font-size: 12px; font-weight: 600; }
.training-report-score { color: var(--mint-strong); font: 14px "DM Mono", monospace; white-space: nowrap; }
.training-report-student, .training-report-meta { margin-top: 6px; color: var(--muted); font-size: 10px; line-height: 1.5; overflow-wrap: anywhere; }
.training-report-student { color: var(--navy); }
.training-report-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 11px; }
.training-report-action { padding: 6px 9px; border: 1px solid #dce7e1; border-radius: 6px; color: #276d54; background: #f2faf5; font-size: 10px; cursor: pointer; }
.training-report-action:hover { border-color: #98ceb2; background: #eaf8f1; }
.training-report-action:disabled { opacity: .55; cursor: wait; }
.training-report-download-status { color: var(--muted); font-size: 9px; }
.training-report-detail { margin-top: 12px; padding-top: 10px; border-top: 1px solid #eef0f3; }
.training-report-detail-summary { color: var(--muted); font-size: 10px; }
.training-report-answers { margin: 8px 0 0; padding-left: 22px; }
.training-report-answer { display: grid; gap: 4px; padding: 8px 0; border-bottom: 1px solid #f0f2f4; color: var(--muted); font-size: 10px; overflow-wrap: anywhere; }
.training-report-answer:last-child { border-bottom: 0; }
.training-report-answer-heading { color: var(--ink); }
.training-report-answer-line, .training-report-reference { line-height: 1.5; }
.training-report-reference { color: #9a8150; }
.training-report-result { justify-self: start; padding: 3px 6px; border-radius: 4px; font-size: 9px; }
.training-report-result.is-correct { color: #3f8061; background: #eaf8f1; }
.training-report-result.is-wrong { color: #9a6558; background: #fff1ee; }
@media (max-width: 620px) { .training-report-card { padding: 11px; }.training-report-actions { align-items: flex-start; } }