:root {
  --ink: #18322d;
  --ink-soft: #50635f;
  --paper: #f6f3eb;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --line: #dce4df;
  --line-strong: #bdccc5;
  --green-950: #072d27;
  --green-900: #0b3b32;
  --green-800: #135849;
  --green-700: #1e705d;
  --green-100: #dceee7;
  --green-50: #eef8f4;
  --amber-700: #9b5313;
  --amber-500: #d8862f;
  --amber-100: #f9e9cf;
  --red-700: #a23a38;
  --red-100: #f9dfdc;
  --blue-700: #2f5c88;
  --blue-100: #deebf6;
  --shadow: 0 14px 38px rgba(17, 47, 40, 0.08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 2%, rgba(216, 134, 47, 0.09), transparent 26rem),
    radial-gradient(circle at 92% 20%, rgba(30, 112, 93, 0.09), transparent 30rem),
    var(--paper);
  font-family: var(--font-sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

button,
select,
input[type="range"],
summary,
.file-picker {
  cursor: pointer;
}

button:focus-visible,
select:focus-visible,
textarea:focus-visible,
input:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(216, 134, 47, 0.45);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 8px;
  color: #fff;
  background: var(--green-900);
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(189, 204, 197, 0.78);
  background: rgba(246, 243, 235, 0.9);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  color: #fff;
  background: var(--green-900);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.03em;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 15px;
  letter-spacing: 0.02em;
}

.brand small {
  margin-top: 1px;
  color: var(--ink-soft);
  font-size: 11px;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 13px;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #a0aaa6;
  box-shadow: 0 0 0 4px rgba(160, 170, 166, 0.16);
}

.status-dot.is-ready {
  background: #2a956d;
  box-shadow: 0 0 0 4px rgba(42, 149, 109, 0.15);
}

.status-dot.is-error {
  background: var(--red-700);
  box-shadow: 0 0 0 4px rgba(162, 58, 56, 0.14);
}

.page-shell {
  padding-block: 46px 72px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 40px;
  padding: 18px 2px 36px;
}

.eyebrow,
.mini-label {
  margin: 0 0 8px;
  color: var(--green-700);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.03;
}

.hero-lead {
  max-width: 720px;
  margin: 19px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.hero-metric {
  min-width: 154px;
  padding: 18px 22px;
  border: 1px solid rgba(19, 88, 73, 0.18);
  border-radius: 20px;
  background: rgba(255, 253, 248, 0.75);
  box-shadow: var(--shadow);
  text-align: right;
}

.hero-metric span,
.hero-metric small {
  display: block;
  color: var(--ink-soft);
  font-size: 11px;
}

.hero-metric strong {
  display: block;
  color: var(--green-900);
  font-family: Georgia, serif;
  font-size: 39px;
  font-weight: 500;
  line-height: 1.05;
}

.hero-metric strong b {
  font-weight: 500;
}

.stepper {
  margin-bottom: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 248, 0.78);
}

.stepper ol {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.stepper li {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 76px;
  gap: 11px;
  padding: 14px 18px;
  color: #81908c;
}

.stepper li + li {
  border-left: 1px solid var(--line);
}

.stepper li > span {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid #bdc8c4;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 800;
}

.stepper b,
.stepper small {
  display: block;
}

.stepper b {
  color: currentColor;
  font-size: 13px;
}

.stepper small {
  margin-top: 2px;
  font-size: 10px;
}

.stepper li.is-current {
  color: var(--green-900);
  background: var(--green-50);
}

.stepper li.is-current > span {
  border-color: var(--green-900);
  color: #fff;
  background: var(--green-900);
}

.stepper li.is-complete {
  color: var(--green-700);
}

.stepper li.is-complete > span {
  border-color: var(--green-700);
  color: transparent;
  background: var(--green-100);
}

.stepper li.is-complete > span::after {
  position: absolute;
  color: var(--green-800);
  content: "✓";
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  align-items: start;
  gap: 24px;
}

.learning-column,
.control-column {
  display: grid;
  gap: 24px;
}

.control-column {
  position: sticky;
  top: 96px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 248, 0.96);
  box-shadow: var(--shadow);
}

.learning-column > .panel {
  padding: 32px;
}

.control-column > .panel {
  padding: 24px;
}

.section-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 13px;
}

.type-pill,
.source-pill,
.privacy-pill,
.lock-pill,
.voice-count,
.saved-state {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.type-pill {
  color: #fff;
  background: var(--green-900);
}

.source-pill,
.voice-count,
.saved-state {
  color: var(--ink-soft);
  background: #edf1ee;
}

.exercise-panel > h2 {
  max-width: 720px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(27px, 4vw, 38px);
  font-weight: 500;
  line-height: 1.15;
}

.exercise-context {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--ink-soft);
}

.exercise-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: 12px;
}

.exercise-meta span::before {
  margin-right: 6px;
  color: var(--amber-500);
  content: "●";
  font-size: 8px;
  vertical-align: 1px;
}

.subsection {
  margin-top: 28px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.subsection-heading,
.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.subsection-heading h3,
.panel-heading h2 {
  margin: 0;
}

.subsection-heading h3 {
  font-size: 18px;
}

.panel-heading h2 {
  font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
  font-size: 27px;
  font-weight: 500;
  line-height: 1.15;
}

.panel-heading.compact h2 {
  font-size: 22px;
}

.muted {
  color: var(--ink-soft);
  font-size: 12px;
}

.vocabulary-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 15px;
}

.vocab-item {
  display: flex;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-strong);
  font-size: 12px;
}

.vocab-item b {
  color: var(--green-800);
}

.vocab-item span {
  color: var(--ink-soft);
}

.preview-list {
  display: grid;
  gap: 12px;
  margin-top: 15px;
}

.preview-question {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-strong);
}

.question-index {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  color: var(--green-800);
  background: var(--green-100);
  font-size: 11px;
  font-weight: 800;
}

.preview-question p {
  margin: 3px 0 0;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.45;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--green-800);
  background: #fff;
  font-weight: 800;
  transition: 150ms ease;
}

.icon-button:hover {
  border-color: var(--green-700);
  background: var(--green-50);
  transform: translateY(-1px);
}

.privacy-pill {
  color: var(--green-800);
  background: var(--green-100);
}

.lock-pill {
  color: var(--amber-700);
  background: var(--amber-100);
}

.lock-pill.is-open {
  color: var(--green-800);
  background: var(--green-100);
}

.player-console {
  margin-top: 22px;
  padding: 18px;
  border: 1px solid rgba(11, 59, 50, 0.2);
  border-radius: var(--radius-md);
  background: var(--green-950);
  color: #fff;
}

.player-main-status {
  display: flex;
  align-items: center;
  gap: 13px;
}

.player-main-status b,
.player-main-status span {
  display: block;
}

.player-main-status b {
  font-size: 14px;
}

.player-main-status span:not(.wave-icon) {
  margin-top: 2px;
  color: #b9d2cb;
  font-size: 11px;
}

.wave-icon {
  display: flex !important;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  gap: 3px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
}

.wave-icon i {
  display: block;
  width: 3px;
  height: 11px;
  border-radius: 3px;
  background: #95d6c4;
}

.player-console.is-playing .wave-icon i {
  animation: wave 0.8s ease-in-out infinite alternate;
}

.player-console.is-playing .wave-icon i:nth-child(2) {
  animation-delay: 120ms;
}

.player-console.is-playing .wave-icon i:nth-child(3) {
  animation-delay: 240ms;
}

.player-console.is-playing .wave-icon i:nth-child(4) {
  animation-delay: 360ms;
}

@keyframes wave {
  to { height: 25px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.player-progress {
  height: 5px;
  margin-top: 15px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.13);
}

.player-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--amber-500);
  transition: width 180ms ease;
}

.player-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.player-console .button-secondary,
.player-console .button-ghost {
  min-height: 34px;
  padding: 7px 12px;
  border-color: rgba(255, 255, 255, 0.22);
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.rounds-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.round-card {
  padding: 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  transition: 180ms ease;
}

.round-card.is-complete {
  border-color: #83b7a5;
  background: var(--green-50);
}

.round-card.is-active {
  border-color: var(--amber-500);
  box-shadow: 0 0 0 3px rgba(216, 134, 47, 0.13);
}

.round-card.is-locked {
  opacity: 0.68;
  background: #f4f4f0;
}

.round-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.round-number {
  color: var(--green-700);
  font-family: Georgia, serif;
  font-size: 27px;
  line-height: 1;
}

.round-state {
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
}

.state-ready {
  color: var(--blue-700);
  background: var(--blue-100);
}

.state-locked {
  color: #6b7672;
  background: #e5e8e6;
}

.state-playing {
  color: var(--amber-700);
  background: var(--amber-100);
}

.state-complete {
  color: var(--green-800);
  background: var(--green-100);
}

.round-card h3 {
  margin: 18px 0 7px;
  font-size: 16px;
}

.round-card > p {
  min-height: 44px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.round-card label {
  display: block;
  margin: 17px 0 7px;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 700;
}

textarea,
select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  color: var(--ink);
  background: #fff;
}

textarea {
  min-height: 78px;
  padding: 10px 11px;
  resize: vertical;
  font-size: 12px;
}

textarea::placeholder {
  color: #95a19d;
}

textarea:disabled,
select:disabled {
  color: #7a8581;
  background: #eef0ed;
  cursor: not-allowed;
}

.round-play {
  width: 100%;
  margin-top: 17px;
}

.inline-notice {
  margin: 15px 2px 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 41px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
  transition: 150ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 7px 18px rgba(11, 59, 50, 0.12);
}

.button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.button-primary {
  color: #fff;
  background: var(--green-900);
}

.button-secondary {
  border-color: var(--green-800);
  color: var(--green-800);
  background: #fff;
}

.button-accent {
  color: #fff;
  background: var(--amber-700);
}

.button-ghost {
  border-color: var(--line-strong);
  color: var(--ink-soft);
  background: transparent;
}

.button-full {
  width: 100%;
}

.text-button {
  padding: 0;
  border: 0;
  color: var(--green-700);
  background: transparent;
  font-size: 11px;
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: rgba(30, 112, 93, 0.32);
  text-underline-offset: 3px;
}

.answer-panel.is-locked,
.transcript-panel.is-locked {
  background: rgba(250, 249, 244, 0.9);
}

.lock-message,
.transcript-cover {
  display: flex;
  align-items: center;
  gap: 17px;
  margin-top: 22px;
  padding: 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  color: var(--ink-soft);
  background: rgba(236, 239, 235, 0.56);
}

.lock-message > span {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 15px;
  color: #7c8984;
  background: #e1e5e2;
  font-family: Georgia, serif;
  font-size: 21px;
}

.lock-message b,
.transcript-cover b {
  color: var(--ink);
}

.lock-message p,
.transcript-cover p {
  margin: 3px 0 0;
  font-size: 12px;
}

.answer-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 22px;
}

.answer-summary > div {
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.answer-summary span,
.answer-summary strong {
  display: block;
}

.answer-summary span {
  color: var(--ink-soft);
  font-size: 10px;
}

.answer-summary strong {
  margin-top: 2px;
  font-size: 16px;
}

.answer-list {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.answer-question,
.review-item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
}

.answer-question.is-correct {
  border-color: #82b9a5;
  background: #f7fcfa;
}

.answer-question.is-wrong {
  border-color: #dda5a1;
  background: #fffafa;
}

.question-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.question-head h3 {
  flex: 1;
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.5;
}

.question-status {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 999px;
  color: #66736e;
  background: #edf0ee;
  font-size: 10px;
  font-weight: 800;
}

.question-status.is-selected {
  color: var(--blue-700);
  background: var(--blue-100);
}

.question-status.is-correct {
  color: var(--green-800);
  background: var(--green-100);
}

.question-status.is-wrong {
  color: var(--red-700);
  background: var(--red-100);
}

.option-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.answer-option {
  position: relative;
  display: grid;
  grid-template-columns: 29px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-height: 45px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink-soft);
  background: #fff;
  text-align: left;
}

.answer-option:hover:not(:disabled) {
  border-color: var(--green-700);
  color: var(--ink);
  background: var(--green-50);
}

.answer-option.is-selected {
  border-color: var(--blue-700);
  color: var(--ink);
  background: #f1f7fc;
  box-shadow: inset 3px 0 0 var(--blue-700);
}

.answer-option.is-correct {
  border-color: var(--green-700);
  color: var(--green-900);
  background: var(--green-50);
  box-shadow: inset 3px 0 0 var(--green-700);
}

.answer-option.is-wrong {
  border-color: var(--red-700);
  color: var(--red-700);
  background: #fff5f4;
  box-shadow: inset 3px 0 0 var(--red-700);
}

.answer-option:disabled {
  cursor: default;
}

.option-letter {
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  border: 1px solid currentColor;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 800;
}

.option-copy {
  font-size: 12px;
  line-height: 1.4;
}

.answer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.answer-footer p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.cover-lines {
  display: grid;
  flex: 0 0 60px;
  gap: 7px;
}

.cover-lines i {
  height: 6px;
  border-radius: 99px;
  background: #ccd3d0;
}

.cover-lines i:nth-child(2) {
  width: 75%;
}

.cover-lines i:nth-child(3) {
  width: 88%;
}

.transcript-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--green-50);
}

.transcript-toolbar p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.transcript-toolbar > div {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}

.transcript-list {
  display: grid;
  gap: 9px;
  margin-top: 16px;
}

.transcript-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  transition: 150ms ease;
}

.transcript-row.is-playing {
  border-color: var(--amber-500);
  background: #fffaf1;
  box-shadow: 0 0 0 3px rgba(216, 134, 47, 0.1);
}

.speaker-tag {
  display: grid;
  place-items: center;
  width: 37px;
  height: 30px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 900;
}

.speaker-tag.speaker-w {
  color: #8f4663;
  background: #f6e5eb;
}

.speaker-tag.speaker-m {
  color: #365e8c;
  background: #e3edf7;
}

.speaker-tag.speaker-n {
  color: #6f613d;
  background: #f2ebd8;
}

.transcript-row p {
  margin: 2px 0 0;
  color: #2d403c;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px;
  line-height: 1.65;
}

.review-block {
  margin-top: 28px;
  padding-top: 25px;
  border-top: 1px solid var(--line);
}

.review-block > h3 {
  margin: 0 0 14px;
  font-size: 18px;
}

.review-list {
  display: grid;
  gap: 12px;
}

.review-item h4 {
  margin: 0;
  font-size: 14px;
}

.review-item p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.review-result {
  display: inline-flex;
  margin-top: 12px;
  padding: 4px 8px;
  border-radius: 7px;
  color: var(--green-800);
  background: var(--green-100);
  font-size: 10px;
  font-weight: 800;
}

.review-result.is-wrong {
  color: var(--red-700);
  background: var(--red-100);
}

.settings-help {
  margin: 12px 0 20px;
  color: var(--ink-soft);
  font-size: 11px;
}

.voice-field {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 10px;
  margin-top: 16px;
}

.voice-field label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 800;
}

.voice-field label span {
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 6px;
  font-size: 9px;
}

.voice-female label span {
  color: #8f4663;
  background: #f6e5eb;
}

.voice-male label span {
  color: #365e8c;
  background: #e3edf7;
}

.voice-narrator label span {
  color: #6f613d;
  background: #f2ebd8;
}

.voice-field select {
  grid-column: 1 / -1;
  height: 40px;
  padding: 6px 34px 6px 10px;
  font-size: 11px;
}

.range-field {
  margin-top: 22px;
  padding-top: 19px;
  border-top: 1px solid var(--line);
}

.range-heading,
.range-scale {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.range-heading label,
.range-heading output {
  font-size: 12px;
  font-weight: 800;
}

.range-heading output {
  color: var(--green-700);
}

input[type="range"] {
  width: 100%;
  margin: 13px 0 4px;
  accent-color: var(--green-700);
}

.range-scale {
  color: #8c9894;
  font-size: 9px;
}

.progress-list {
  margin: 17px 0 20px;
  padding: 0;
  list-style: none;
}

.progress-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 11px;
}

.progress-list b {
  color: var(--ink);
  font-size: 11px;
}

.progress-list b.is-complete {
  color: var(--green-700);
}

.import-panel {
  box-shadow: none;
}

.import-panel summary {
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.import-panel > p,
.import-panel > label:not(.file-picker) {
  display: block;
  color: var(--ink-soft);
  font-size: 11px;
}

.import-panel > p {
  margin: 12px 0;
}

.import-panel > label:not(.file-picker) {
  margin: 14px 0 6px;
  font-weight: 700;
}

.file-picker {
  display: grid;
  place-items: center;
  min-height: 48px;
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  color: var(--green-700);
  background: var(--green-50);
  font-size: 11px;
  font-weight: 800;
}

.file-picker input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.import-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 11px;
}

.form-message {
  min-height: 17px;
  color: var(--red-700) !important;
}

.site-footer {
  padding: 28px 0 38px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  background: rgba(255, 253, 248, 0.55);
}

.site-footer .shell {
  display: flex;
  justify-content: space-between;
  gap: 30px;
}

.site-footer p {
  max-width: 520px;
  margin: 0;
  font-size: 10px;
}

.toast {
  position: fixed;
  z-index: 100;
  right: 22px;
  bottom: 22px;
  max-width: min(390px, calc(100% - 44px));
  padding: 12px 15px;
  border-radius: 11px;
  color: #fff;
  background: var(--green-950);
  box-shadow: 0 18px 45px rgba(7, 45, 39, 0.24);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.toast.is-error {
  background: #7e2b2a;
}

.noscript {
  position: fixed;
  z-index: 200;
  right: 20px;
  bottom: 20px;
  left: 20px;
  padding: 14px;
  border-radius: 10px;
  color: #fff;
  background: var(--red-700);
  text-align: center;
}

@media (max-width: 980px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .control-column {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .control-column .settings-panel {
    grid-row: span 2;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 24px, 1180px);
  }

  .site-header {
    position: static;
  }

  .header-inner {
    min-height: 64px;
  }

  .header-status {
    max-width: 140px;
    text-align: right;
  }

  .brand small {
    display: none;
  }

  .page-shell {
    padding-block: 24px 50px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-bottom: 26px;
  }

  .hero h1 {
    font-size: clamp(36px, 12vw, 52px);
  }

  .hero-lead {
    font-size: 14px;
  }

  .hero-metric {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 12px 16px;
    text-align: left;
  }

  .hero-metric strong {
    margin-left: auto;
    padding-inline: 15px 7px;
    font-size: 28px;
  }

  .stepper {
    overflow-x: auto;
  }

  .stepper ol {
    min-width: 610px;
  }

  .stepper li {
    min-height: 65px;
    padding: 11px 14px;
  }

  .learning-column > .panel,
  .control-column > .panel {
    padding: 22px;
    border-radius: 18px;
  }

  .control-column {
    grid-template-columns: 1fr;
  }

  .rounds-grid,
  .answer-summary {
    grid-template-columns: 1fr;
  }

  .round-card > p {
    min-height: auto;
  }

  .answer-footer,
  .transcript-toolbar,
  .site-footer .shell {
    align-items: stretch;
    flex-direction: column;
  }

  .transcript-toolbar > div {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .preview-question {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .preview-question .icon-button {
    grid-column: 2;
  }

  .transcript-row {
    grid-template-columns: 36px minmax(0, 1fr);
  }

  .transcript-row .icon-button {
    grid-column: 2;
  }
}

@media (max-width: 430px) {
  .header-status {
    max-width: 112px;
    font-size: 10px;
  }

  .learning-column > .panel,
  .control-column > .panel {
    padding: 18px;
  }

  .subsection-heading,
  .panel-heading {
    align-items: flex-start;
  }

  .panel-heading h2 {
    font-size: 23px;
  }

  .muted {
    max-width: 116px;
    text-align: right;
  }

  .player-actions .button,
  .answer-footer .button {
    width: 100%;
  }

  .player-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .question-head {
    flex-wrap: wrap;
  }

  .question-status {
    margin-left: 42px;
  }
}