:root {
  color-scheme: light;
  --ink: #17243f;
  --ink-soft: #536078;
  --paper: #f6f3ec;
  --card: #fffdf8;
  --line: #d9d4c8;
  --gold: #b68a3a;
  --gold-light: #f0dfba;
  --blue: #243d69;
  --green: #236247;
  --red: #9d3f35;
  --shadow: 0 14px 38px rgba(23, 36, 63, 0.1);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--paper); }
body { margin: 0; color: var(--ink); background: radial-gradient(circle at 85% 0%, #ebe1cc 0, transparent 27rem), var(--paper); min-height: 100vh; }
button, select, textarea { font: inherit; }
button { color: inherit; }
.hidden { display: none !important; }
.practice-notice { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; background: rgba(23,36,63,.42); }
.practice-notice-card { width: min(460px, 100%); padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--card); box-shadow: var(--shadow); text-align: center; }
.practice-notice-card h2 { margin: 0 0 10px; font-family: Georgia, serif; font-weight: 500; }
.practice-notice-card p { line-height: 1.55; margin-bottom: 14px; }
.practice-notice-card small { color: var(--ink-soft); font-weight: 700; }
.visually-hidden { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.app-header { min-height: 76px; padding: max(14px, env(safe-area-inset-top)) clamp(18px, 4vw, 48px) 14px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(23,36,63,.1); background: rgba(246,243,236,.86); backdrop-filter: blur(16px); position: sticky; top: 0; z-index: 20; }
.brand { border: 0; background: none; display: flex; align-items: center; gap: 12px; text-align: left; cursor: pointer; padding: 0; }
.brand-mark { inline-size: 42px; block-size: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--ink); color: var(--gold-light); font-family: Georgia, serif; letter-spacing: .08em; }
.brand strong, .brand small { display: block; }
.brand small { color: var(--ink-soft); margin-top: 2px; }
.header-actions { display: flex; gap: 10px; align-items: center; }
.header-help-button { position: absolute; left: 50%; transform: translateX(-50%); }
.help-search { max-width: 680px; margin: 24px 0; }
.help-search label { display: flex; flex-direction: column; gap: 8px; font-weight: 750; }
.help-search input { border: 1px solid var(--line); border-radius: 10px; padding: 13px; background: white; }
.help-results { display: grid; gap: 12px; max-width: 800px; }
.help-card { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.help-card h2 { font-family: Georgia, serif; font-weight: 500; margin: 0 0 8px; }
.help-card p { color: var(--ink-soft); line-height: 1.55; margin: 0; }
.header-date-time { color: var(--ink-soft); font-size: .78rem; font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.status-pill { border: 1px solid var(--line); background: var(--card); color: var(--ink-soft); border-radius: 999px; padding: 7px 11px; font-size: .78rem; }
.status-pill.offline { color: var(--green); border-color: #9bc7b3; background: #edf7f1; }

main { width: min(1080px, calc(100% - 32px)); max-width: 100%; margin: 0 auto; outline: none; overflow-x: clip; }
.view { padding: clamp(34px, 7vw, 78px) 0 70px; }
.hero { max-width: 780px; }
.eyebrow { color: var(--gold); font-size: .76rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; margin: 0 0 12px; }
h1, h2, p { margin-top: 0; }
h1 { font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.45rem, 7vw, 5.25rem); line-height: .98; letter-spacing: -.04em; margin-bottom: 22px; }
.hero h1 { font-size: clamp(1.84rem, 5.25vw, 3.94rem); }
.hero > p:last-child, .page-heading > p:last-child { color: var(--ink-soft); max-width: 700px; font-size: clamp(1rem, 2vw, 1.18rem); line-height: 1.65; }

.dashboard { margin: 38px 0 28px; display: grid; grid-template-columns: repeat(3, 1fr); background: var(--ink); border-radius: 18px; color: white; overflow: hidden; box-shadow: var(--shadow); }
.dashboard article { padding: 24px clamp(18px, 4vw, 34px); border-right: 1px solid rgba(255,255,255,.16); }
.dashboard article:last-child { border: 0; }
.dashboard span, .dashboard small { display: block; }
.dashboard span { font-family: Georgia, serif; color: var(--gold-light); font-size: 2rem; }
.dashboard small { color: #d7deeb; margin-top: 4px; }

.setup-card { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,253,248,.78); margin-bottom: 8px; }
.setup-field { display: flex; align-items: center; gap: 14px; }
.setup-card label { font-weight: 750; flex: 1; }
.setup-note { color: var(--ink-soft); font-size: .85rem; line-height: 1.5; margin: 0 4px 18px; }
select { min-width: 190px; border: 1px solid var(--line); border-radius: 10px; padding: 11px 38px 11px 13px; background: white; color: var(--ink); }

.mode-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.mode-card { min-height: 150px; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--card); text-align: left; cursor: pointer; transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease; }
.mode-card:hover, .mode-card:focus-visible { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--gold); outline: none; }
.mode-card:disabled { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }
.mode-card.under-construction { border-style: dashed; background: #f7f4ec; }
.mode-card.under-construction small { color: var(--ink-soft); }
.feature-status { min-height: 1.5em; margin: 12px 2px 0; color: #8a5a16; font-weight: 700; line-height: 1.45; }
.skip-to-panel { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.navigation-tools > .skip-to-panel { margin-top: 0; }
.navigation-tools { display: inline-flex; align-items: center; gap: 8px; }
.skip-to-panel label { font-weight: 750; }
.skip-to-panel input { width: 120px; border: 1px solid var(--line); border-radius: 8px; padding: 8px; font: inherit; }
.mode-card.featured { background: var(--blue); color: white; border-color: var(--blue); }
.mode-card.wide { grid-column: span 2; min-height: 126px; }
.mode-card span, .mode-card strong, .mode-card small { display: block; }
.mode-number { color: var(--gold); font-size: .73rem; font-weight: 850; letter-spacing: .16em; margin-bottom: 25px; }
.mode-card strong { font-family: Georgia, serif; font-size: 1.35rem; margin-bottom: 7px; }
.mode-card small { color: var(--ink-soft); line-height: 1.5; }
.mode-card.featured small { color: #d8dfed; }
.utility-row { display: flex; gap: 12px; margin-top: 20px; }
.manager-toolbar, .manager-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 24px 0; }
.manager-login { max-width: 520px; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); box-shadow: var(--shadow); }
.manager-login h2 { font-family: Georgia, serif; font-weight: 500; margin: 0 0 8px; }
.manager-login p { color: var(--ink-soft); line-height: 1.5; }
.manager-login label { display: flex; flex-direction: column; gap: 7px; font-weight: 750; margin: 14px 0; }
.manager-login input { border: 1px solid var(--line); border-radius: 9px; padding: 11px; }
.manager-session-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 20px 0; color: var(--ink-soft); font-size: .9rem; }
.manager-toolbar { grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.manager-toolbar label, .manager-card label { display: flex; flex-direction: column; gap: 7px; font-weight: 750; }
.manager-toolbar input, .manager-card textarea { width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: 10px; background: white; color: var(--ink); }
.manager-card { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.manager-card h2, .revision-card h2 { font-family: Georgia, serif; font-weight: 500; margin: 0 0 14px; }
.manager-card textarea { min-height: 120px; resize: vertical; margin-bottom: 14px; line-height: 1.5; }
.manager-card textarea[readonly] { background: #f2efe8; }
.manager-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.manager-actions .is-selected { border-color: var(--gold); background: var(--gold-light); color: var(--ink); box-shadow: 0 0 0 2px rgba(182,138,58,.24); }
.revision-card { margin-top: 24px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.manager-help { color: var(--ink-soft); }
.prompt-review-table { display: grid; gap: 10px; }
.prompt-review-row { display: grid; grid-template-columns: 42px repeat(3, minmax(0, 1fr)); gap: 14px; padding: 14px 0; border-top: 1px solid var(--line); }
.prompt-review-row strong { color: var(--gold); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; }
.prompt-review-row p { margin: 5px 0 0; line-height: 1.5; }
.prompt-review-number { color: var(--blue); font-family: Georgia, serif; font-size: 1.3rem; font-weight: 700; }
@media (max-width: 760px) { .prompt-review-row { grid-template-columns: 32px 1fr; } .prompt-review-row > div:not(.prompt-review-number) { grid-column: 2; } }
.revision-row { padding: 12px 0; border-top: 1px solid var(--line); line-height: 1.55; }
.revision-row:first-child { border-top: 0; }
@media (max-width: 760px) { .manager-toolbar, .manager-grid { grid-template-columns: 1fr; } .manager-toolbar { gap: 12px; } }
@media (max-width: 560px) { .header-help-button { position: static; transform: none; } }

.button { border-radius: 10px; padding: 11px 16px; border: 1px solid transparent; font-weight: 750; cursor: pointer; text-decoration: none; display: inline-flex; justify-content: center; align-items: center; }
.step-dg-button { background: #f7edd7; border-color: #d4b675; color: var(--ink); font: inherit; font-weight: 750; gap: 10px; text-align: left; padding: 10px 14px; }
.step-dg-button:hover, .step-dg-button:focus-visible { border-color: var(--gold); background: #fff4dc; outline: none; }
.step-dg-button, .gavel-button { height: 42px; min-height: 42px; }
.response-heading-row { flex-direction: column; align-items: flex-start; }
.response-heading-row .response-gavel-control { width: 100%; }
.step-dg-reference { display: grid; gap: 4px; width: 100%; margin: -2px 0 10px; color: var(--ink-soft); font-size: .82rem; line-height: 1.4; }
.step-dg-reference span { display: block; }
.step-dg-reference strong { display: inline-block; min-width: 30px; color: var(--gold); }
.button-primary { background: var(--gold); color: #151515; }
.button-secondary { border-color: var(--line); background: var(--card); }
.button-quiet { background: transparent; border-color: transparent; color: var(--ink-soft); padding-inline: 8px; }
.button:disabled { opacity: .5; cursor: not-allowed; }

.practice-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.session-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; }
.session-meta span { color: var(--ink-soft); font-size: .85rem; }
.progress-track { height: 5px; background: #ded9ce; border-radius: 99px; margin: 18px 0 26px; overflow: hidden; }
.progress-track span { display: block; height: 100%; background: var(--gold); transition: width .3s ease; }
.practice-card { background: var(--card); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); padding: clamp(22px, 5vw, 46px); max-width: 100%; overflow-x: clip; }
.practice-card h2 { font-family: Georgia, serif; font-size: clamp(1.2rem, 3vw, 1.9125rem); line-height: 1.25; font-weight: 500; margin-bottom: 30px; }
.cue-heading-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.cue-heading-row .eyebrow { margin-bottom: 0; }
.cue-counter { color: var(--gold); font-size: .76rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; white-space: nowrap; }
.practice-card > label { display: block; font-weight: 800; margin-bottom: 9px; }
.voice-panel { border: 1px solid var(--line); background: #f8f6f0; border-radius: 14px; padding: 14px; margin: -8px 0 24px; display: grid; grid-template-columns: minmax(0, 1fr) 190px; column-gap: 12px; }
.voice-panel-below-response { margin: 15px 0 0; }
.voice-actions { display: grid; grid-template-columns: repeat(7, auto); align-items: center; justify-content: start; gap: 9px; grid-column: 1 / -1; grid-row: 2; }
.navigation-heading { grid-column: 1 / -1; margin: 0 0 8px; color: var(--ink); font-size: 1rem; }
.navigation-heading { grid-column: 1 / -1; grid-row: 1; color: var(--gold); font-size: .76rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; text-align: left; width: 100%; }
.voice-options { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; }
.voice-actions .button { min-height: 42px; }
.voice-actions .button { padding-inline: 11px; white-space: nowrap; }
.voice-actions, .navigation-tools, .voice-options, .voice-choice, .voice-speed { min-width: 0; max-width: 100%; }
.voice-actions .is-active { color: white; background: var(--red); border-color: var(--red); }
.study-timer-panel { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; grid-column: 2; grid-row: 2 / span 4; }
.study-timer-panel > span { border: 1px solid var(--line); border-radius: 8px; background: var(--card); padding: 7px 9px; }
.study-timer-panel small, .study-timer-panel strong { display: block; }
.study-timer-panel small { color: var(--ink-soft); font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; }
.study-timer-panel strong { margin-top: 3px; font-variant-numeric: tabular-nums; }
.volume-row { display: flex; align-items: center; margin-top: 12px; grid-column: 1; grid-row: 3; }
.volume-control { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-soft); font-size: .78rem; font-weight: 750; padding: 0 5px; }
.volume-control input { width: clamp(150px, 24vw, 320px); accent-color: var(--gold); }
.volume-control output { min-width: 34px; color: var(--ink); font-variant-numeric: tabular-nums; }
.voice-options-panel { border: 1px solid var(--line); background: #f8f6f0; border-radius: 12px; margin-top: 15px; padding: 14px; }
.voice-options-panel h3 { color: var(--gold); font-size: .76rem; letter-spacing: .1em; margin: 0 0 11px; text-transform: uppercase; }
.voice-options { color: var(--ink-soft); font-size: .86rem; }
.voice-options .voice-toggle { color: var(--ink); font-weight: 700; }
.voice-options .voice-toggle.option-disabled { color: var(--ink-soft); opacity: .58; cursor: not-allowed; }
.voice-options input { accent-color: var(--gold); }
.voice-options select { min-width: 105px; padding: 7px 30px 7px 9px; }
.voice-choice, .voice-speed { display: flex; align-items: center; gap: 7px; }
.voice-choice { margin-left: auto; }
.voice-choice select { min-width: 205px; max-width: 290px; }
.voice-status { color: var(--green); font-weight: 700; font-size: .84rem; margin: 11px 0 0; grid-column: 1; grid-row: 4; }
.voice-status.voice-error { color: var(--red); }
.recognition-details { background: white; font-size: .8rem; margin: 10px 0 0; padding: 9px 11px; grid-column: 1; grid-row: 4; }
.recognition-details p { color: var(--ink-soft); margin: 7px 0 0; line-height: 1.45; }
.voice-privacy { color: var(--ink-soft); font-size: .76rem; line-height: 1.45; margin: 7px 0 0; grid-column: 1; grid-row: 5; }
.cipher-panel { border-left: 4px solid var(--gold); background: #f7edd7; border-radius: 0 12px 12px 0; padding: 15px 18px; margin-bottom: 26px; }
.cipher-panel span { display: block; color: #7d5a20; font-size: .72rem; font-weight: 850; text-transform: uppercase; letter-spacing: .12em; }
.cipher-panel p { margin: 8px 0 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 1.1em; line-height: 1.55; }
.response-heading-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 0 0 9px; }
.response-heading-row > label { font-weight: 800; }
.response-gavel-control { display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.gavel-button { background: #f7edd7; border-color: #d4b675; color: var(--ink); gap: 10px; text-align: left; padding: 10px 14px; }
.gavel-button:hover, .gavel-button:focus-visible { border-color: var(--gold); background: #fff4dc; outline: none; }
.gavel-button > span:last-child, .gavel-button strong, .gavel-button small { display: block; }
.gavel-symbol { font-size: 1.65rem; line-height: 1; }
.gavel-button small { color: var(--ink-soft); font-size: .74rem; }
.gavel-button small { margin-top: 2px; font-weight: 600; }
.gavel-inline-count { color: var(--ink-soft); font-variant-numeric: tabular-nums; margin-left: 4px; }
textarea { width: 100%; resize: vertical; border: 1.5px solid var(--line); border-radius: 12px; padding: 15px; background: white; font-size: 1.15rem; line-height: 1.55; color: var(--ink); transition: border-color .15s, box-shadow .15s; }
textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(182,138,58,.17); }
textarea.input-error { border-color: var(--red); }
#check-button { width: 100%; margin-top: 13px; min-height: 48px; }
.result-panel { border-top: 1px solid var(--line); margin-top: 26px; padding-top: 25px; }
.result-heading { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.result-heading strong { font-size: 1.18rem; }
.review-needed-heading { margin: 14px 0 6px; color: var(--green); font-size: 1.05rem; }
.result-exact { color: var(--green); }
.result-review { color: var(--red); }
#accuracy-label { color: var(--ink-soft); }
.error-details { color: var(--ink-soft); }
.error-details p { margin: 7px 0; }
details { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin: 18px 0; }
details summary { cursor: pointer; font-weight: 750; }
details p { margin: 12px 0 2px; line-height: 1.6; }
fieldset { border: 0; padding: 0; margin: 24px 0 0; }
legend { font-weight: 800; margin-bottom: 12px; }
.mastery-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.mastery-grid button { border: 1px solid var(--line); border-radius: 10px; background: white; padding: 8px 4px; cursor: pointer; }
.mastery-grid button:hover, .mastery-grid button:focus-visible { border-color: var(--gold); background: #fff8e8; outline: none; }
.mastery-grid strong, .mastery-grid small { display: block; }
.mastery-grid strong { font-size: 1.2rem; }
.mastery-grid small { color: var(--ink-soft); margin-top: 4px; }

.page-heading { max-width: 780px; margin-bottom: 30px; }
.page-heading h1 { font-size: clamp(2.3rem, 6vw, 4.3rem); }
.page-heading .back-home { margin-bottom: 32px; }
.progress-card, .transfer-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: clamp(18px, 4vw, 30px); margin-bottom: 18px; box-shadow: 0 8px 24px rgba(23,36,63,.06); }
.progress-card h2 { font-family: Georgia, serif; font-size: 1.7rem; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; min-width: 680px; }
th, td { text-align: left; padding: 13px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--ink-soft); font-size: .73rem; text-transform: uppercase; letter-spacing: .08em; }
td:first-child strong, td:first-child span { display: inline-block; }
td:first-child strong { width: 34px; color: var(--gold); }
td small { color: var(--ink-soft); margin-left: 8px; line-height: 1.4; }
.mastery-badge { width: 31px; height: 31px; display: inline-grid; place-items: center; border-radius: 50%; background: #e6e2d8; font-weight: 850; }
.m4, .m5 { background: #d8efe3; color: var(--green); }
.transfer-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.transfer-card { margin: 0; }
.transfer-card h2 { font-family: Georgia, serif; font-size: 1.8rem; }
.transfer-card p { color: var(--ink-soft); line-height: 1.6; min-height: 78px; }
.file-button { cursor: pointer; }
.notice { padding: 14px 16px; border-radius: 10px; color: var(--green); background: #edf7f1; margin-top: 18px; }
.notice:empty { display: none; }
.notice-error { color: var(--red); background: #fbecea; }

.study-summary { margin-bottom: 22px; }
.study-summary-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.study-summary-card { border: 1px solid var(--line); border-radius: 14px; background: var(--card); padding: 18px; }
.study-summary-card h2 { font-family: Georgia, serif; font-size: 1.25rem; margin-bottom: 12px; }
.study-summary-card p { color: var(--ink-soft); line-height: 1.5; margin-bottom: 7px; }
.mastery-list { margin: 0; padding-left: 20px; color: var(--ink-soft); }
.mastery-list li { margin-bottom: 8px; line-height: 1.4; }
.mastery-list strong { color: var(--ink); }

footer { width: min(1080px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0 max(28px, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); display: flex; gap: 18px; color: var(--ink-soft); font-size: .8rem; }
.app-version-label { margin-left: auto; white-space: nowrap; }

@media (max-width: 680px) {
  .app-header { min-height: 66px; }
  .brand small, .status-pill { display: none; }
  .header-date-time { font-size: .68rem; white-space: normal; max-width: 116px; }
  .brand strong { font-size: .92rem; }
  main { width: min(100% - 24px, 1080px); }
  .view { padding-top: 34px; }
  .dashboard { grid-template-columns: 1fr; }
  .dashboard article { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.14); padding: 16px 20px; display: flex; align-items: baseline; gap: 12px; }
  .dashboard span { font-size: 1.55rem; }
  .setup-card { grid-template-columns: 1fr; gap: 12px; }
  .setup-field { align-items: stretch; flex-direction: column; gap: 7px; }
  select { width: 100%; }
  .mode-grid { grid-template-columns: 1fr; }
  .mode-card.wide { grid-column: auto; }
  .mode-card { min-height: 132px; }
  .utility-row { flex-direction: column; }
  .utility-row .button { width: 100%; }
  .practice-toolbar { align-items: flex-start; }
  .session-meta { font-size: .85rem; }
  .practice-card { border-radius: 15px; }
  .voice-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(140px, .95fr); column-gap: 8px; }
  .voice-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .voice-actions .button { min-width: 0; max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
  .navigation-tools { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; }
  .navigation-tools .button { width: 100%; }
  #stop-voice-button { grid-column: 1 / -1; }
  .study-timer-panel { width: auto; margin-left: 0; }
  .volume-row { justify-content: center; }
  .volume-control { width: 100%; justify-content: flex-start; flex-wrap: wrap; padding: 0; }
  .volume-control > span { flex-basis: 100%; }
  .volume-control input { width: calc(100% - 42px); min-width: 70px; }
  .voice-options .voice-toggle { flex-basis: 100%; }
  .voice-options { min-width: 0; }
  .voice-choice, .voice-speed { margin-left: 0; }
  .voice-choice { width: 100%; }
  .voice-choice select { min-width: 0; max-width: none; flex: 1; }
  .response-gavel-control { align-items: center; }
  .response-heading-row { gap: 8px; }
  .response-heading-row > label { font-size: .88rem; }
  .gavel-button { width: auto; max-width: 62%; padding: 8px 10px; font-size: .84rem; }
  .gavel-symbol { font-size: 1.35rem; }
  .gavel-button small { display: none; }
  .mastery-grid { gap: 5px; }
  .mastery-grid button { padding-inline: 2px; }
  .transfer-grid { grid-template-columns: 1fr; }
  .transfer-card p { min-height: 0; }
  .study-summary-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 7px; }
  .app-version-label { margin-left: 0; align-self: flex-end; }
}

@media (min-width: 681px) and (max-width: 1050px) {
  .voice-actions { grid-template-columns: repeat(3, 1fr); }
}

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