language-learning-prototype.css

:root {
  --ink: #19212a;
  --muted: #697684;
  --line: #d8e0e7;
  --surface: #ffffff;
  --soft: #f5f7f9;
  --blue: #2f6fed;
  --green: #14835d;
  --amber: #ad6b00;
  --rose: #b53d5c;
  --shadow: 0 18px 48px rgba(25, 33, 42, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: #edf2f6;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
select,
textarea {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 28px 22px;
  background: #17212b;
  color: #f7fafc;
}

.brand-block h1,
.topbar h2,
.control-panel h2 {
  margin: 0;
}

.brand-block h1 {
  max-width: 260px;
  font-size: 28px;
  line-height: 1.08;
}

.brand-copy {
  margin: 14px 0 0;
  color: #b8c4cf;
  line-height: 1.55;
}

.eyebrow {
  margin: 0 0 8px;
  color: #6d8cff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.control-panel {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.control-panel h2 {
  margin-bottom: 12px;
  font-size: 15px;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.segment,
.quiet-button,
.pack-item,
.action-button {
  border: 0;
  cursor: pointer;
}

.segment {
  min-height: 38px;
  border-radius: 6px;
  color: #dbe5ed;
  background: rgba(255, 255, 255, 0.1);
}

.segment.active {
  color: #111820;
  background: #f7fafc;
  font-weight: 700;
}

.field-label {
  display: block;
  margin-bottom: 8px;
  color: #b8c4cf;
  font-size: 13px;
}

select {
  width: 100%;
  min-height: 40px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  color: #f7fafc;
  background: #22303e;
}

.progress-list {
  display: grid;
  gap: 10px;
}

.progress-insight-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.progress-insight {
  display: grid;
  gap: 5px;
  padding: 11px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
}

.progress-insight span {
  color: #8ee0bd;
  font-size: 12px;
  font-weight: 700;
}

.progress-insight strong {
  color: #f7fafc;
  font-size: 14px;
  line-height: 1.28;
}

.progress-insight p {
  margin: 0;
  color: #b8c4cf;
  font-size: 12px;
  line-height: 1.42;
}

.progress-insight.compact {
  background: rgba(255, 255, 255, 0.04);
}

.progress-open-button {
  min-height: 36px;
  border: 1px solid rgba(142, 224, 189, 0.34);
  border-radius: 6px;
  color: #dff8ee;
  background: rgba(142, 224, 189, 0.1);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.progress-open-button.active {
  color: #10231a;
  background: #8ee0bd;
}

.review-list {
  display: grid;
  gap: 10px;
}

.event-list {
  display: grid;
  gap: 9px;
}

.session-history-list {
  display: grid;
  gap: 10px;
}

.memory-list {
  display: grid;
  gap: 10px;
}

.memory-tools {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.progress-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: #dbe5ed;
  font-size: 14px;
}

.progress-row span:last-child {
  color: #8ee0bd;
  font-weight: 700;
}

.empty-note {
  margin: 0;
  color: #b8c4cf;
  font-size: 13px;
  line-height: 1.45;
}

.review-item {
  display: grid;
  gap: 5px;
  width: 100%;
  padding: 11px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  text-align: left;
  color: #f7fafc;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.review-item.active,
.session-history-item.active {
  border-color: #8ee0bd;
  background: rgba(142, 224, 189, 0.16);
}

.review-item strong,
.session-history-item strong {
  font-size: 14px;
}

.review-item span,
.session-history-item span {
  color: #b8c4cf;
  font-size: 12px;
  line-height: 1.35;
}

.session-history-item {
  display: grid;
  gap: 5px;
  width: 100%;
  padding: 11px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  text-align: left;
  color: #f7fafc;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.event-item {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #dbe5ed;
  font-size: 13px;
}

.event-item strong {
  font-weight: 700;
}

.event-item span {
  color: #b8c4cf;
  white-space: nowrap;
}

.memory-item {
  display: grid;
  gap: 7px;
  width: 100%;
  padding: 11px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  text-align: left;
  color: #f7fafc;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.memory-item.active {
  border-color: #8ee0bd;
  background: rgba(142, 224, 189, 0.16);
}

.memory-item strong,
.memory-item span {
  display: block;
}

.memory-item strong {
  color: #f7fafc;
  font-size: 14px;
  line-height: 1.3;
}

.memory-item span {
  color: #b8c4cf;
  font-size: 12px;
  line-height: 1.35;
}

.memory-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.memory-bar {
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.memory-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #8ee0bd;
}

.review-item:focus-visible,
.session-history-item:focus-visible,
.memory-item:focus-visible,
.progress-open-button:focus-visible,
.pack-item:focus-visible,
.action-button:focus-visible,
.quiet-button:focus-visible,
.segment:focus-visible {
  outline: 3px solid rgba(142, 224, 189, 0.42);
  outline-offset: 2px;
}

.workspace {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.topbar h2 {
  font-size: 26px;
}

.pack-reason {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.quiet-button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: var(--surface);
}

.session-path {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.path-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 5px 10px;
  align-items: start;
  min-height: 122px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: left;
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(25, 33, 42, 0.08);
  cursor: pointer;
}

.path-step:disabled {
  cursor: default;
  opacity: 0.72;
}

.path-step.active {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(20, 131, 93, 0.14);
}

.path-step span {
  display: inline-flex;
  grid-row: span 2;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  color: #ffffff;
  background: var(--blue);
  font-weight: 800;
}

.path-step strong {
  line-height: 1.25;
}

.path-step p {
  grid-column: 2;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.42;
}

.pack-dashboard {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
}

.task-filter-panel,
.insight-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(25, 33, 42, 0.08);
}

.task-filter-panel {
  padding: 16px;
}

.task-filter-panel h2 {
  margin: 0 0 14px;
  font-size: 18px;
}

.dark-label {
  color: var(--muted);
}

.light-select {
  border-color: var(--line);
  color: var(--ink);
  background: var(--soft);
}

.pack-insight {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.insight-card {
  display: grid;
  gap: 5px;
  min-height: 112px;
  padding: 15px;
}

.insight-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.insight-card strong {
  font-size: 24px;
  line-height: 1.12;
}

.insight-card p {
  margin: auto 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.daily-pack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}

.pack-item {
  display: flex;
  flex-direction: column;
  min-height: 112px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: left;
  color: var(--ink);
  background: var(--surface);
}

.pack-item.active {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.12);
}

.pack-type {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.pack-item strong {
  display: block;
  margin-top: 8px;
  line-height: 1.28;
}

.pack-item span:last-child {
  margin-top: auto;
  color: var(--muted);
  font-size: 13px;
}

.pack-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: var(--surface);
}

.session-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  align-items: start;
}

.scenario-surface,
.practice-rail {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.scenario-surface {
  overflow: hidden;
}

.scenario-header {
  padding: 22px;
  color: #f7fafc;
  background: #26415b;
}

.review-header {
  background: #385131;
}

.memory-header {
  background: #32445f;
}

.summary-header {
  background: #25535b;
}

.progress-header {
  background: #29465f;
}

.scenario-header h3 {
  margin: 0;
  font-size: 24px;
}

.scenario-header p {
  margin: 10px 0 0;
  color: #dbe5ed;
  line-height: 1.5;
}

.scenario-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border-radius: 999px;
  color: #143327;
  background: #c8f0df;
  font-size: 12px;
  font-weight: 700;
}

.content-section {
  padding: 22px;
  border-top: 1px solid var(--line);
}

.content-section h4,
.practice-rail h3 {
  margin: 0 0 14px;
  font-size: 17px;
}

.dialogue {
  display: grid;
  gap: 12px;
}

.line {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.speaker {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: capitalize;
}

.line-text {
  margin: 0;
  line-height: 1.5;
}

.translation {
  margin: 4px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.expression-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.expression-card {
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.expression-card strong {
  display: block;
  margin-bottom: 6px;
}

.expression-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.summary-expression {
  display: grid;
  gap: 6px;
}

.summary-expression span {
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
}

.review-focus {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.review-focus strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
  line-height: 1.25;
}

.review-focus p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.history-list {
  display: grid;
  gap: 10px;
}

.history-item {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.history-item strong {
  font-size: 14px;
}

.history-item span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.light-note {
  color: var(--muted);
}

.summary-plan-list {
  display: grid;
  gap: 10px;
}

.summary-plan {
  display: grid;
  gap: 5px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.summary-plan strong {
  font-size: 14px;
}

.summary-plan span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.progress-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(125px, 1fr));
  gap: 10px;
}

.progress-metric,
.timeline-day,
.ability-item,
.progress-theme-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.progress-metric {
  display: grid;
  gap: 6px;
  min-height: 108px;
  padding: 14px;
}

.progress-metric span,
.progress-theme-item span,
.ability-item span,
.timeline-day span,
.rail-event span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.progress-metric > span {
  font-size: 12px;
  font-weight: 700;
}

.progress-metric strong {
  font-size: 24px;
  line-height: 1.08;
}

.progress-metric p,
.progress-theme-item p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.42;
}

.progress-timeline,
.ability-list,
.progress-theme-list,
.rail-event-list {
  display: grid;
  gap: 10px;
}

.timeline-day,
.ability-item {
  display: grid;
  gap: 10px;
  padding: 12px;
}

.timeline-day > div:first-child,
.ability-item > div:first-child,
.rail-event {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.timeline-bar,
.ability-score {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: #dfe7ee;
}

.timeline-bar span,
.ability-score span {
  display: block;
  height: 100%;
  border-radius: inherit;
}

.timeline-bar span {
  background: var(--blue);
}

.ability-score span {
  background: var(--green);
}

.progress-theme-item {
  display: grid;
  gap: 5px;
  padding: 13px;
}

.progress-theme-item strong,
.ability-item strong,
.timeline-day strong,
.rail-event strong {
  font-size: 14px;
}

.practice-rail {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 14px;
  padding: 18px;
}

.practice-block {
  padding: 14px;
  border-radius: 8px;
  background: var(--soft);
}

.practice-block h4 {
  margin: 0 0 8px;
  font-size: 15px;
}

.practice-block p {
  margin: 0;
  color: var(--muted);
  line-height: 1.48;
}

.action-button {
  min-height: 42px;
  width: 100%;
  border-radius: 6px;
  color: #ffffff;
  background: var(--blue);
  font-weight: 700;
}

.secondary-action {
  margin-top: 10px;
  color: var(--ink);
  background: #dfe8f0;
}

.support-action {
  color: #ffffff;
  background: var(--amber);
}

.voice-action {
  color: #ffffff;
  background: var(--green);
}

.compact-action {
  min-height: 42px;
}

.review-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.full-width {
  width: 100%;
}

.roleplay-box {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid #cdd8e2;
  border-radius: 8px;
  background: #ffffff;
}

.roleplay-box h4 {
  margin: 0;
  font-size: 15px;
}

.helper-text {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

textarea {
  width: 100%;
  min-height: 104px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: var(--soft);
  line-height: 1.45;
  resize: vertical;
}

textarea:focus {
  border-color: var(--blue);
  outline: 3px solid rgba(47, 111, 237, 0.14);
}

.roleplay-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.roleplay-actions .compact-action {
  grid-column: 1 / -1;
}

.mock-feedback {
  padding: 12px;
  border-radius: 6px;
  background: #f4f0e8;
  color: #3e2f17;
  font-size: 14px;
  line-height: 1.45;
}

.mock-feedback strong {
  display: block;
  margin-bottom: 8px;
}

.mock-feedback ul {
  margin: 0 0 8px;
  padding-left: 18px;
}

.mock-feedback p {
  margin: 8px 0 0;
}

.mock-feedback span {
  font-weight: 700;
}

.speech-feedback {
  padding: 12px;
  border-radius: 6px;
  background: #eaf7f1;
  color: #173829;
  font-size: 14px;
  line-height: 1.45;
}

.speech-feedback strong {
  display: block;
  margin-bottom: 8px;
}

.speech-feedback ul {
  margin: 0 0 8px;
  padding-left: 18px;
}

.speech-feedback p {
  margin: 8px 0 0;
}

.speech-feedback span {
  font-weight: 700;
}

.feedback-box {
  padding: 14px;
  border-left: 4px solid var(--green);
  border-radius: 6px;
  background: #eaf7f1;
  line-height: 1.5;
}

.session-layout {
  grid-template-columns: minmax(0, 1fr) minmax(380px, 440px);
}

.scenario-context-label,
.practice-kicker,
.activity-heading > span {
  display: block;
  margin-bottom: 7px;
  color: #b8d0e2;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.section-heading-row,
.practice-focus-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.section-heading-row h4 {
  margin: 0;
}

.content-status {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.dialogue-gate {
  margin-top: 14px;
  padding: 22px;
  border: 1px dashed #aebdca;
  border-radius: 8px;
  background: #f5f7f9;
  text-align: center;
}

.dialogue-gate strong {
  display: block;
  margin-bottom: 7px;
}

.dialogue-gate p {
  margin: 0;
  color: var(--muted);
}

.practice-focus-header h3 {
  margin: 0;
  font-size: 19px;
}

.practice-kicker,
.activity-heading > span {
  color: var(--green);
}

.practice-score {
  flex: 0 0 auto;
  text-align: right;
}

.practice-score strong,
.practice-score span {
  display: block;
}

.practice-score strong {
  font-size: 18px;
}

.practice-score span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
}

.practice-progress {
  height: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: #e6ebef;
}

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

.practice-mastery {
  display: grid;
  grid-template-columns: minmax(92px, 0.34fr) minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.mastery-value,
.mastery-guidance {
  min-width: 0;
}

.mastery-value span,
.mastery-value strong,
.mastery-value small,
.mastery-guidance span {
  display: block;
}

.mastery-value span,
.mastery-guidance span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.mastery-value strong {
  margin-top: 2px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
}

.mastery-value small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
}

.mastery-guidance span {
  color: #16704f;
}

.mastery-guidance p {
  margin: 4px 0 0;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.45;
}

.practice-step-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.practice-step-tab {
  display: grid;
  justify-items: center;
  gap: 5px;
  min-width: 0;
  min-height: 62px;
  padding: 7px 4px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: #f7f8f9;
  font-size: 11px;
  font-weight: 700;
}

.practice-step-tab span {
  display: grid;
  place-items: center;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  color: #4d5d6a;
  background: #e3e8ec;
}

.practice-step-tab.active {
  border-color: var(--blue);
  color: var(--ink);
  background: #eef3fa;
}

.practice-step-tab.mastered {
  border-color: #a6d7c4;
  color: #17583f;
  background: #eef8f4;
}

.practice-step-tab.mastered span {
  color: #ffffff;
  background: var(--green);
}

.practice-step-tab:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.practice-stage {
  display: grid;
  min-height: 350px;
  align-content: start;
  gap: 14px;
  padding-top: 3px;
}

.activity-heading h4 {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
}

.gist-options {
  display: grid;
  gap: 9px;
}

.choice-button {
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid #cbd5dd;
  border-radius: 6px;
  color: var(--ink);
  background: #ffffff;
  text-align: left;
  line-height: 1.35;
}

.choice-button:hover,
.choice-button:focus-visible {
  border-color: var(--blue);
  background: #f1f5fb;
}

.support-control {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.support-option {
  min-height: 38px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  background: #ffffff;
  font-size: 12px;
  font-weight: 700;
}

.support-option:last-child {
  border-right: 0;
}

.support-option.active {
  color: #ffffff;
  background: #38546e;
}

.support-reveal,
.roleplay-support {
  min-height: 46px;
  padding: 12px;
  border-left: 3px solid var(--amber);
  border-radius: 4px;
  color: #47370d;
  background: #fff7df;
  font-weight: 700;
  line-height: 1.4;
}

.support-reveal.empty,
.roleplay-support.empty {
  border-left-color: #aab5be;
  color: var(--muted);
  background: #f5f7f8;
  font-weight: 500;
}

.practice-input {
  min-height: 82px;
  background: #ffffff;
}

.practice-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.practice-actions > :only-child {
  grid-column: 1 / -1;
}

.practice-feedback {
  padding: 12px;
  border-radius: 6px;
  line-height: 1.45;
}

.practice-feedback.success {
  border-left: 4px solid var(--green);
  color: #154f39;
  background: #eaf7f1;
}

.practice-feedback.needs-work {
  border-left: 4px solid var(--amber);
  color: #4c380d;
  background: #fff7df;
}

.shadowing-model {
  margin: 0;
  padding: 15px;
  border-left: 4px solid var(--blue);
  border-radius: 4px;
  color: #243d56;
  background: #eef3fa;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.locked-practice {
  align-self: center;
  padding: 24px;
  border: 1px dashed #aebdca;
  border-radius: 8px;
  text-align: center;
  background: #f5f7f9;
}

.locked-practice p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.roleplay-thread {
  display: grid;
  max-height: 280px;
  overflow-y: auto;
  gap: 9px;
  padding-right: 3px;
}

.roleplay-message {
  max-width: 88%;
  padding: 10px 12px;
  border-radius: 8px;
}

.roleplay-message span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.roleplay-message p {
  margin: 0;
  line-height: 1.42;
}

.roleplay-message.counterpart {
  justify-self: start;
  background: #edf1f4;
}

.roleplay-message.learner {
  justify-self: end;
  color: #ffffff;
  background: #2e628e;
}

.roleplay-message.learner span {
  color: #d9e8f4;
}

.roleplay-composer,
.correction-retry,
.transfer-challenge {
  display: grid;
  gap: 10px;
}

.correction-retry,
.transfer-challenge {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.transfer-challenge h4,
.transfer-challenge p {
  margin: 0;
}

.transfer-challenge p {
  color: var(--muted);
}

.practice-language-focus {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.practice-language-focus span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.practice-language-focus p {
  margin: 5px 0 0;
  font-size: 13px;
  line-height: 1.4;
}

.restart-practice {
  width: 100%;
}

.practice-step-tab:focus-visible,
.choice-button:focus-visible,
.support-option:focus-visible {
  outline: 3px solid rgba(47, 111, 237, 0.16);
  outline-offset: 2px;
}

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

  .sidebar {
    min-height: auto;
  }

  .daily-pack,
  .pack-dashboard,
  .session-path,
  .session-layout {
    grid-template-columns: 1fr;
  }

  .pack-insight {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .progress-metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .practice-rail {
    position: static;
  }
}

@media (max-width: 620px) {
  .workspace,
  .sidebar {
    padding: 18px;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .quiet-button {
    width: 100%;
  }

  .expression-grid {
    grid-template-columns: 1fr;
  }

  .pack-insight {
    grid-template-columns: 1fr;
  }

  .progress-metric-grid {
    grid-template-columns: 1fr;
  }

  .roleplay-actions,
  .review-actions,
  .practice-actions {
    grid-template-columns: 1fr;
  }

  .practice-stage {
    min-height: 0;
  }

  .practice-mastery {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .line {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}