:root {
  --bg: #edf1f4;
  --bg-deep: #dfe5ea;
  --surface: rgba(252, 253, 255, 0.74);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --surface-soft: rgba(246, 248, 250, 0.82);
  --line: rgba(15, 23, 35, 0.09);
  --line-strong: rgba(15, 23, 35, 0.14);
  --ink: #122031;
  --muted: #657285;
  --accent: #ff6c43;
  --accent-deep: #db522b;
  --accent-soft: rgba(255, 108, 67, 0.12);
  --teal: #146f66;
  --teal-deep: #0f5a53;
  --teal-soft: rgba(20, 111, 102, 0.12);
  --gold-soft: rgba(220, 175, 88, 0.18);
  --shadow: 0 26px 80px rgba(34, 52, 73, 0.12);
  --shadow-soft: 0 18px 42px rgba(34, 52, 73, 0.1);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Avenir Next", "Aptos", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 108, 67, 0.14), transparent 26%),
    radial-gradient(circle at bottom right, rgba(20, 111, 102, 0.11), transparent 24%),
    linear-gradient(150deg, #f5f7fa 0%, #e8edf1 46%, #f8fafb 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(18, 32, 49, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 32, 49, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, black 44%, transparent 95%);
  pointer-events: none;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.noise-layer {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.5), transparent 34%),
    radial-gradient(circle at 80% 0%, rgba(255, 255, 255, 0.28), transparent 28%);
  pointer-events: none;
}

.ambient {
  position: fixed;
  border-radius: 999px;
  filter: blur(18px);
  opacity: 0.72;
  pointer-events: none;
}

.ambient-one {
  top: 4rem;
  right: 5rem;
  width: 22rem;
  height: 22rem;
  background: rgba(255, 108, 67, 0.16);
}

.ambient-two {
  bottom: 5rem;
  left: 8rem;
  width: 24rem;
  height: 24rem;
  background: rgba(20, 111, 102, 0.12);
}

.page-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 295px minmax(0, 1fr);
  gap: 1.5rem;
  min-height: 100vh;
  padding: 1.45rem;
}

.left-rail,
.workspace {
  min-width: 0;
}

.left-rail {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.left-rail > *,
.workspace > * {
  animation: rise-in 420ms ease both;
}

.left-rail > *:nth-child(2),
.workspace > *:nth-child(2) {
  animation-delay: 60ms;
}

.left-rail > *:nth-child(3),
.workspace > *:nth-child(3) {
  animation-delay: 110ms;
}

.rail-brand,
.rail-panel,
.compose-card,
.lesson-panel,
.auth-card,
.modal-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.rail-brand,
.rail-panel,
.compose-card,
.lesson-panel,
.auth-card,
.modal-card {
  padding: 1.2rem;
}

.rail-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 3.3rem;
  height: 3.3rem;
  border-radius: 1.1rem;
  background:
    linear-gradient(145deg, rgba(20, 111, 102, 0.95), rgba(10, 84, 109, 0.95));
  color: #f8fcff;
  font-weight: 800;
  letter-spacing: 0.08em;
  box-shadow: 0 20px 40px rgba(20, 111, 102, 0.22);
}

textarea {
  resize: vertical;
}

.brand-copy {
  min-width: 0;
}

.rail-title,
.auth-intro h2,
.top-title,
.compose-card h3,
.lesson-panel h3 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  line-height: 1.04;
}

.rail-title {
  font-size: 1.55rem;
}

.eyebrow {
  margin: 0 0 0.38rem;
  color: var(--muted);
  font-size: 0.73rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.progress-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.9rem;
}

.progress-pill {
  min-width: 0;
}

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

.utility-card {
  min-width: 0;
}

.utility-stats,
.utility-meta-row,
.lesson-action-row,
.quiz-type-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

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

.field-block-stacked textarea,
.quiz-text-input {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  padding: 1rem;
  min-height: 5.8rem;
  font-size: 1.08rem;
  line-height: 1.55;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

.quiz-text-input:focus {
  outline: 0;
  border-color: rgba(20, 111, 102, 0.42);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(20, 111, 102, 0.1);
}

.lead-copy {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.7;
}

.section-note {
  margin: 1rem 0 0;
}

.note-list {
  display: grid;
  gap: 0.4rem;
  margin-top: 1rem;
}

.review-preview-grid,
.progress-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.review-preview-card {
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.inline-button {
  width: auto;
}

.secondary-button {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--ink);
  padding: 0.7rem 1rem;
  font-weight: 900;
  cursor: pointer;
  transition:
    transform 160ms var(--ease-out),
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.secondary-button:hover {
  transform: translateY(-1px);
  border-color: rgba(20, 111, 102, 0.34);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 20px rgba(20, 111, 102, 0.08);
}

.compact-button {
  width: auto;
  min-height: 2.25rem;
  padding: 0.45rem 0.78rem;
  font-size: 0.82rem;
}

.quiz-type-row {
  margin-bottom: 0.6rem;
}

.token-chip {
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  font-weight: 900;
  transition:
    transform 160ms var(--ease-out),
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease,
    color 160ms ease;
}

.token-chip:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(20, 111, 102, 0.08);
}

.token-chip-filled {
  background: rgba(20, 111, 102, 0.14);
  border-color: rgba(20, 111, 102, 0.4);
  color: #0d544e;
}

.typing-answer-shell,
.reorder-shell,
.matching-shell {
  display: grid;
  gap: 0.9rem;
}

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

.matching-column {
  display: grid;
  gap: 0.65rem;
  min-width: 0;
}

.matching-card {
  display: grid;
  gap: 0.28rem;
  align-content: center;
  min-height: 4.35rem;
}

.matching-card strong {
  color: var(--teal);
  font-size: 0.85rem;
}

.matching-card.matched {
  border-color: rgba(20, 111, 102, 0.32);
  background: rgba(20, 111, 102, 0.09);
  box-shadow: 0 12px 24px rgba(20, 111, 102, 0.1);
}

.matching-shell .quiz-submit-bar {
  grid-column: 1 / -1;
}

.reorder-answer-line,
.reorder-token-bank {
  min-height: 4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  padding: 0.9rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.reorder-answer-line {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 0 0 1px rgba(20, 111, 102, 0.06);
}

.source-banner {
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(220, 175, 88, 0.34);
  background: rgba(220, 175, 88, 0.12);
  color: #604a15;
}

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

.study-button,
.primary-button,
.ghost-button,
.text-button,
.auth-tab,
.answer-button,
.session-item {
  border: 0;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    opacity 180ms ease;
}

.study-button:active,
.primary-button:active,
.ghost-button:active,
.text-button:active,
.auth-tab:active,
.answer-button:active,
.session-item:active,
.language-card-button:active,
.dashboard-action-card:active,
.phrase-insert-chip:active {
  transform: translateY(1px) scale(0.975);
}

.study-button:hover,
.primary-button:hover,
.ghost-button:hover,
.text-button:hover,
.auth-tab:hover,
.answer-button:hover,
.session-item:hover {
  transform: translateY(-1px);
}

.primary-button,
.journey-primary-button {
  box-shadow: 0 18px 34px rgba(255, 108, 67, 0.2);
}

.tap-pop {
  animation: tap-pop 180ms var(--ease-out) both;
}

.primary-button.is-busy::after,
.ghost-button.is-busy::after {
  content: "";
  display: inline-block;
  width: 0.7em;
  height: 0.7em;
  margin-left: 0.45rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 999px;
  animation: spin 680ms linear infinite;
  vertical-align: -0.08em;
}

.study-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.05rem;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(255, 108, 67, 0.96), rgba(223, 82, 43, 0.96));
  color: #fff9f6;
  font-weight: 700;
  box-shadow: 0 22px 40px rgba(223, 82, 43, 0.22);
}

.quiz-launcher {
  align-items: center;
}

.quiz-launcher-icon {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
  flex: 0 0 auto;
}

.quiz-launcher-icon svg {
  width: 1.45rem;
  height: 1.45rem;
}

.quiz-launcher-copy {
  display: grid;
  gap: 0.18rem;
  text-align: left;
  flex: 1;
}

.study-label {
  font-size: 1rem;
}

.quiz-launcher-subtitle {
  font-size: 0.82rem;
  color: rgba(255, 249, 246, 0.78);
}

.study-button:disabled,
.primary-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.badge {
  min-width: 2rem;
  padding: 0.25rem 0.56rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  text-align: center;
}

.rail-panel {
  display: flex;
  flex: 1;
  min-height: 0;
  flex-direction: column;
}

.quiz-dashboard-panel {
  flex: 0 0 auto;
  min-height: auto;
  gap: 1rem;
}

.library-panel {
  flex: 1 1 auto;
}

.panel-heading,
.topbar,
.compose-header,
.modal-header,
.section-head,
.lesson-meta-row,
.session-row,
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.panel-heading h2 {
  margin: 0;
  font-size: 1.02rem;
}

.text-button {
  padding: 0;
  background: transparent;
  color: var(--accent-deep);
  font-weight: 700;
}

.session-list {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
  max-height: calc(100vh - 16rem);
  overflow: auto;
  padding-right: 0.2rem;
}

.session-list::-webkit-scrollbar {
  width: 8px;
}

.session-list::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(18, 32, 49, 0.08);
}

.session-item {
  width: 100%;
  text-align: left;
  padding: 1rem;
  border-radius: 1.2rem;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.session-item.active {
  border-color: rgba(20, 111, 102, 0.24);
  background:
    linear-gradient(145deg, rgba(20, 111, 102, 0.12), rgba(255, 255, 255, 0.7));
  box-shadow: 0 18px 28px rgba(20, 111, 102, 0.12);
}

.session-item h4,
.session-item p {
  margin: 0;
}

.session-row {
  align-items: center;
}

.session-row h4 {
  flex: 1;
  min-width: 0;
}

.session-tag,
.section-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.24rem 0.58rem;
  border-radius: 999px;
  background: rgba(18, 32, 49, 0.06);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
}

.session-meta {
  margin-top: 0.48rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.empty-copy {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.52);
  color: var(--muted);
}

.quiz-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.quiz-stat-card {
  display: grid;
  gap: 0.22rem;
  padding: 0.92rem;
  border-radius: 1.2rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
}

.quiz-status-card {
  padding: 1rem;
  border-radius: 1.4rem;
  background:
    linear-gradient(160deg, rgba(18, 32, 49, 0.06), rgba(20, 111, 102, 0.08));
  border: 1px solid rgba(20, 111, 102, 0.12);
}

.quiz-status-headline,
.quiz-status-copy {
  margin: 0;
}

.quiz-status-headline {
  font-size: 1rem;
}

.quiz-status-copy {
  margin-top: 0.45rem;
  line-height: 1.6;
}

.section-badge[data-state="ready"] {
  background: rgba(20, 111, 102, 0.12);
  color: var(--teal);
}

.section-badge[data-state="cooldown"] {
  background: rgba(220, 175, 88, 0.18);
  color: #7c6123;
}

.section-badge[data-state="practice"] {
  background: rgba(18, 32, 49, 0.08);
  color: var(--ink);
}

.workspace {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.topbar {
  align-items: flex-end;
  padding: 0.2rem 0.2rem 0.1rem;
}

.headline-block {
  max-width: 54rem;
}

.top-title {
  font-size: clamp(2rem, 3vw, 3.25rem);
}

.top-copy {
  max-width: 44rem;
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-badge,
.difficulty-pill,
.mini-pill,
.ghost-button {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.72rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-soft);
}

.user-badge {
  color: var(--ink);
}

.difficulty-pill {
  color: var(--accent-deep);
  font-weight: 700;
  text-transform: capitalize;
}

.ghost-button {
  color: var(--ink);
}

.compose-card {
  position: relative;
  overflow: hidden;
}

.compose-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 13rem;
  height: 13rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 108, 67, 0.18), transparent 65%);
  transform: translate(-24%, -28%);
  pointer-events: none;
}

.compose-header {
  position: relative;
  z-index: 1;
  align-items: center;
  margin-bottom: 1rem;
}

.compose-header h3 {
  font-size: 1.65rem;
}

.composer-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.86fr);
  gap: 1rem;
}

.upload-form {
  margin: 0;
}

.upload-dropzone {
  display: grid;
  align-content: start;
  gap: 0.65rem;
  min-height: 22rem;
  padding: 1.45rem;
  border-radius: 1.8rem;
  border: 1.5px dashed rgba(20, 111, 102, 0.28);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.74), rgba(238, 243, 246, 0.82));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.upload-dropzone input {
  margin: 0;
}

.dropzone-kicker {
  display: inline-flex;
  width: fit-content;
  padding: 0.32rem 0.65rem;
  border-radius: 999px;
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 700;
}

.dropzone-title {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  line-height: 1.02;
}

.dropzone-subtitle {
  max-width: 24rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.6;
}

.dropzone-preview {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 0.85rem;
  margin-top: auto;
  min-height: 7rem;
}

.preview-dot {
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  background: linear-gradient(145deg, rgba(255, 108, 67, 0.9), rgba(20, 111, 102, 0.72));
  box-shadow: 0 18px 30px rgba(34, 52, 73, 0.12);
  animation: drift 7s ease-in-out infinite;
}

.preview-dot-large {
  width: 6.4rem;
  height: 6.4rem;
  border-radius: 2rem;
  animation-delay: -2s;
}

.preview-dot-small {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.8rem;
  animation-delay: -4s;
}

.compose-side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.compose-brief {
  padding: 1rem;
  border-radius: 1.4rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.66);
}

.compose-brief-copy {
  margin: 0.38rem 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.field-block {
  display: grid;
  gap: 0.48rem;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.field-label {
  font-size: 0.9rem;
  color: var(--muted);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 1.15rem;
  background: rgba(255, 255, 255, 0.76);
  padding: 0.95rem 1rem;
  color: var(--ink);
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

input:focus,
textarea:focus {
  border-color: rgba(20, 111, 102, 0.35);
  box-shadow:
    0 0 0 4px rgba(20, 111, 102, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

textarea {
  resize: vertical;
  min-height: 9rem;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.status-pill {
  display: grid;
  gap: 0.22rem;
  padding: 0.9rem;
  border-radius: 1.25rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.64);
}

.status-label {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.status-value {
  font-size: 1.25rem;
  color: var(--ink);
}

.helper-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.helper-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.46rem 0.7rem;
  border-radius: 999px;
  background: rgba(18, 32, 49, 0.05);
  color: var(--muted);
  font-size: 0.84rem;
}

.primary-button {
  padding: 1rem 1.15rem;
  border-radius: 1.2rem;
  background:
    linear-gradient(135deg, rgba(18, 32, 49, 0.98), rgba(20, 111, 102, 0.92));
  color: #fbfdff;
  font-weight: 700;
  box-shadow: 0 24px 40px rgba(20, 111, 102, 0.2);
}

.lesson-panel {
  min-height: 24rem;
}

.empty-lesson {
  display: grid;
  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
  gap: 1.2rem;
  align-items: center;
}

.empty-visual {
  position: relative;
  min-height: 16rem;
  border-radius: 2rem;
  background:
    linear-gradient(180deg, rgba(18, 32, 49, 0.92), rgba(33, 63, 93, 0.88));
  overflow: hidden;
}

.empty-orb {
  position: absolute;
  top: 2rem;
  right: 1.8rem;
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  background: rgba(255, 108, 67, 0.92);
  box-shadow: 0 0 50px rgba(255, 108, 67, 0.45);
}

.empty-window {
  position: absolute;
  border-radius: 1.4rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.empty-window-a {
  left: 1.6rem;
  top: 2rem;
  width: 11rem;
  height: 8.6rem;
}

.empty-window-b {
  left: 4.6rem;
  bottom: 1.6rem;
  width: 9rem;
  height: 5.6rem;
}

.empty-copy-block {
  display: grid;
  gap: 0.8rem;
}

.empty-copy-block h3 {
  font-size: clamp(1.8rem, 3vw, 2.65rem);
}

.empty-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 0.4rem;
}

.step-card {
  display: grid;
  gap: 0.5rem;
  padding: 0.95rem;
  border-radius: 1.3rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
}

.step-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.step-index {
  color: var(--accent-deep);
  font-weight: 800;
  letter-spacing: 0.1em;
}

.lesson-stage {
  display: grid;
  gap: 1rem;
}

.lesson-hero {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 1rem;
  align-items: stretch;
}

.lesson-visual-shell,
.lesson-hero-copy,
.section-card,
.language-chip,
.quiz-preview {
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: rgba(255, 255, 255, 0.66);
  box-shadow: var(--shadow-soft);
}

.lesson-visual-shell {
  padding: 0.8rem;
}

.lesson-visual-shell img,
.lesson-visual img {
  width: 100%;
  height: 100%;
  min-height: 18rem;
  object-fit: cover;
  border-radius: 1.2rem;
  display: block;
}

.lesson-hero-copy {
  display: grid;
  gap: 0.95rem;
  padding: 1.1rem;
}

.hero-pills,
.hero-note-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.lesson-guidance-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.guidance-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.54rem 0.8rem;
  border-radius: 999px;
  background: rgba(18, 32, 49, 0.06);
  color: var(--muted);
  font-size: 0.86rem;
}

.lesson-title {
  font-size: clamp(1.65rem, 2vw, 2.35rem);
}

.lesson-hero-summary {
  margin: 0;
  line-height: 1.65;
}

.mini-pill {
  padding: 0.42rem 0.72rem;
  box-shadow: none;
  font-size: 0.83rem;
  text-transform: capitalize;
}

.lesson-sections {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(290px, 0.82fr);
  gap: 1rem;
  align-items: start;
}

.lesson-sections-single {
  grid-template-columns: minmax(0, 1fr);
}

.lesson-main-column,
.lesson-side-column {
  display: grid;
  gap: 1rem;
}

.section-card {
  padding: 1rem;
}

.lesson-main-card {
  padding: 1.15rem;
}

.section-card h4 {
  margin: 0;
}

.highlighted-text p {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.78;
}

.highlighted-text p + p {
  margin-top: 1rem;
}

.explanation-card {
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.72), rgba(243, 247, 249, 0.92));
}

.explanation-text {
  max-width: 70ch;
}

.phrase-highlight {
  padding: 0.16rem 0.32rem;
  border-radius: 0.45rem;
  background: rgba(255, 108, 67, 0.17);
  color: var(--accent-deep);
}

.chip-grid,
.notes-grid,
.quiz-grid,
.assessment-grid {
  display: grid;
  gap: 0.8rem;
}

.notes-grid {
  list-style: none;
  padding: 0;
  margin: 0;
}

.notes-grid li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  padding: 0.84rem 0.95rem;
  border-radius: 1.15rem;
  background: rgba(248, 250, 252, 0.9);
  color: var(--ink);
}

.notes-grid li::before {
  content: "";
  display: inline-block;
  width: 0.56rem;
  height: 0.56rem;
  margin-top: 0.42rem;
  border-radius: 50%;
  background: var(--accent);
  flex: 0 0 auto;
}

.language-chip,
.quiz-preview {
  padding: 0.95rem;
}

.utility-card {
  position: sticky;
  top: 1.4rem;
  display: grid;
  gap: 0.9rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: var(--shadow-soft);
}

.utility-toolbar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.utility-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.88rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(248, 250, 252, 0.92);
  color: var(--ink);
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.utility-button.active {
  border-color: rgba(20, 111, 102, 0.28);
  background: rgba(20, 111, 102, 0.12);
  color: var(--teal);
  box-shadow: 0 16px 30px rgba(20, 111, 102, 0.1);
}

.utility-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.8rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: rgba(18, 32, 49, 0.08);
  color: inherit;
  font-size: 0.8rem;
}

.utility-placeholder {
  padding: 1rem;
  border-radius: 1.15rem;
  background: rgba(248, 250, 252, 0.9);
  color: var(--muted);
  line-height: 1.65;
}

.utility-panel {
  display: grid;
  gap: 0.8rem;
}

.utility-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.utility-panel-head h5 {
  margin: 0;
  font-size: 1rem;
}

.language-chip h5,
.quiz-preview h5 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
}

.auth-overlay,
.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 20;
  background: rgba(14, 22, 33, 0.34);
  backdrop-filter: blur(10px);
}

.auth-card,
.modal-card {
  width: min(860px, calc(100vw - 2rem));
}

.auth-tabs {
  display: flex;
  gap: 0.6rem;
  margin: 1.15rem 0 1rem;
}

.auth-tab {
  padding: 0.85rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-weight: 700;
}

.auth-tab.active {
  background: rgba(20, 111, 102, 0.13);
  color: var(--teal);
}

.auth-form {
  display: grid;
  gap: 1rem;
}

.assessment-grid {
  margin-top: 0.3rem;
}

.assessment-card {
  padding: 1rem;
  border-radius: 1.4rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.65);
}

.scale-options {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.45rem;
  margin-top: 0.8rem;
}

.scale-options label {
  display: grid;
  gap: 0.35rem;
  place-items: center;
  padding: 0.78rem 0.45rem;
  border-radius: 1rem;
  background: rgba(241, 245, 248, 0.9);
  border: 1px solid transparent;
  text-align: center;
  font-size: 0.84rem;
}

.verify-copy {
  margin: 0;
}

.review-content {
  display: grid;
  gap: 1rem;
}

.quiz-modal-card {
  width: min(760px, calc(100vw - 2rem));
}

.language-modal-card {
  width: min(680px, calc(100vw - 2rem));
}

.language-modal-content,
.language-modal-stack,
.language-example-panel,
.language-example-list {
  display: grid;
  gap: 1rem;
}

.language-modal-summary {
  display: grid;
  gap: 0.7rem;
  padding: 1rem;
  border-radius: 1.25rem;
  border: 1px solid var(--line);
  background: rgba(247, 250, 252, 0.86);
}

.language-modal-summary p,
.language-example-card p,
.language-example-panel h4 {
  margin: 0;
}

.language-example-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 1rem;
  border-radius: 1.15rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.84);
}

.language-example-index {
  display: inline-grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 999px;
  background: rgba(20, 111, 102, 0.12);
  color: var(--teal);
  font-size: 0.85rem;
  font-weight: 700;
}

.review-question {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.08;
  color: var(--ink);
}

.tip-box,
.source-banner,
.feedback-box {
  padding: 0.92rem 1rem;
  border-radius: 1.2rem;
  background: var(--gold-soft);
  color: #6a5222;
}

.source-banner {
  background: rgba(20, 111, 102, 0.11);
  color: var(--teal);
}

.feedback-success {
  background: rgba(20, 111, 102, 0.14);
  color: var(--teal);
}

.answer-options {
  display: grid;
  gap: 0.8rem;
}

.answer-button {
  width: 100%;
  min-height: 4rem;
  padding: 1.05rem 1.1rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  text-align: left;
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 900;
  line-height: 1.35;
  transition:
    transform 160ms var(--ease-out),
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.answer-button:hover {
  border-color: rgba(20, 111, 102, 0.22);
  box-shadow: 0 16px 28px rgba(20, 111, 102, 0.08);
  transform: translateY(-1px);
}

.answer-button.selected {
  border-color: rgba(20, 111, 102, 0.6);
  background: rgba(20, 111, 102, 0.12);
  box-shadow: 0 14px 30px rgba(20, 111, 102, 0.12);
}

.answer-button:disabled {
  opacity: 0.7;
  cursor: wait;
}

.quiz-flow,
.quiz-feedback-card,
.quiz-summary-shell {
  display: grid;
  gap: 0.9rem;
}

.quiz-question-enter {
  animation: quiz-card-enter 220ms var(--ease-out) both;
}

.quiz-question-card,
.quiz-result-card {
  display: grid;
  gap: 1.05rem;
  padding: clamp(1.05rem, 2.8vw, 1.8rem);
  border: 1px solid rgba(15, 23, 35, 0.08);
  border-radius: 1.25rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.9)),
    radial-gradient(circle at top right, rgba(20, 111, 102, 0.08), transparent 42%);
  box-shadow: 0 22px 50px rgba(18, 32, 49, 0.12);
}

.quiz-question-card {
  transform-origin: center top;
}

.quote-card,
.broken-sentence-card,
.quick-action-note {
  padding: 0.9rem 1rem;
  border-radius: 0.85rem;
  border: 1px solid rgba(15, 23, 35, 0.08);
  background: rgba(248, 250, 252, 0.94);
  color: var(--muted);
  font-weight: 800;
}

.quote-card p,
.broken-sentence-card p,
.before-after-grid p {
  margin: 0.25rem 0 0;
  line-height: 1.5;
}

.quote-card {
  border-left: 4px solid rgba(20, 111, 102, 0.7);
}

.broken-sentence-card {
  border-left: 4px solid rgba(143, 50, 31, 0.55);
}

.phrase-focus-chip {
  width: fit-content;
  max-width: 100%;
  padding: 0.58rem 0.78rem;
  border-radius: 999px;
  background: rgba(20, 111, 102, 0.13);
  color: var(--teal-deep);
  font-weight: 900;
}

.phrase-duel-options {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.phrase-duel-card {
  min-height: 7rem;
  display: flex;
  align-items: center;
  font-size: 1rem;
}

.phrase-snap-options .answer-button {
  text-align: center;
  font-size: 1.05rem;
}

.before-after-grid {
  display: grid;
  gap: 0.75rem;
}

.before-after-grid > div {
  padding: 0.85rem;
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.72);
}

.correction-highlight {
  border-radius: 0.35rem;
  background: rgba(20, 111, 102, 0.18);
  color: var(--teal-deep);
  padding: 0.05rem 0.16rem;
}

.quiz-type-sentence_upgrade_battle .quiz-text-input,
.quiz-type-fix_the_mistake .quiz-text-input,
.quiz-type-use_it_or_lose_it .quiz-text-input {
  min-height: 7rem;
}

.quiz-top-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.quiz-top-stats span {
  min-width: 0;
  padding: 0.74rem 0.85rem;
  border: 1px solid rgba(18, 32, 49, 0.06);
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  box-shadow: 0 10px 22px rgba(18, 32, 49, 0.06);
  transition:
    transform 180ms var(--ease-out),
    box-shadow 180ms ease;
}

.quiz-top-stats strong {
  display: block;
  color: var(--ink);
  font-size: 1.05rem;
}

.quiz-progress-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.quiz-progress-track {
  width: 100%;
  height: 0.62rem;
  border-radius: 999px;
  background: rgba(18, 32, 49, 0.08);
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(18, 32, 49, 0.08);
}

.quiz-progress-bar {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 108, 67, 0.96), rgba(20, 111, 102, 0.9));
  transition: width 260ms var(--ease-out);
}

.quiz-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.quiz-summary-note {
  padding: 1rem;
  border-radius: 1.2rem;
  background: rgba(248, 250, 252, 0.92);
}

.quiz-summary-note p {
  margin: 0;
}

.quiz-summary-note p + p {
  margin-top: 0.35rem;
}

.reward-card {
  animation: reward-pop 260ms var(--ease-out) both;
}

.clean-result-card {
  justify-items: start;
  gap: 1rem;
}

.clean-result-card .quiz-result-label {
  font-size: clamp(1.65rem, 5vw, 2.7rem);
  line-height: 1;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.answer-reward-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  width: 100%;
}

.answer-reward-row span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  min-height: 2.7rem;
  padding: 0.58rem 0.78rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font-weight: 900;
  animation: reward-pop 220ms var(--ease-out) both;
}

.answered-snapshot {
  display: grid;
  gap: 0.7rem;
  width: 100%;
  padding: 0.85rem;
  border: 1px solid rgba(18, 32, 49, 0.08);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.72);
}

.answered-snapshot > div {
  min-width: 0;
  padding: 0.72rem 0.8rem;
  border-radius: 0.82rem;
  background: rgba(248, 250, 252, 0.9);
}

.answered-snapshot p {
  margin: 0.25rem 0 0;
  color: var(--ink);
  font-weight: 900;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.answered-snapshot.is-correct {
  border-color: rgba(20, 111, 102, 0.26);
  box-shadow: 0 0 0 4px rgba(20, 111, 102, 0.07);
}

.answered-snapshot.is-wrong {
  border-color: rgba(143, 50, 31, 0.2);
  animation: result-shake 220ms ease-out both;
}

.combo-bonus-pop {
  color: var(--accent-deep);
  animation: stat-pop 340ms var(--ease-out) both;
}

.result-explanation {
  margin: 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.55;
}

.reward-screen {
  justify-items: stretch;
  max-width: 560px;
  margin: 0 auto;
}

.reward-hero-card {
  display: grid;
  justify-items: center;
  gap: 0.35rem;
  padding: clamp(1.4rem, 5vw, 2.4rem);
  border: 1px solid rgba(20, 111, 102, 0.2);
  border-radius: 1.15rem;
  background: rgba(20, 111, 102, 0.1);
  box-shadow: 0 18px 45px rgba(18, 32, 49, 0.1);
  animation: reward-pop 260ms var(--ease-out) both;
}

.reward-xp-total {
  color: var(--teal-deep);
  font-size: clamp(3rem, 12vw, 5.5rem);
  line-height: 0.95;
}

.reward-stat-grid {
  justify-content: center;
}

.reward-next-button {
  width: 100%;
  min-height: 3.2rem;
  font-size: 1rem;
}

.reward-stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.reward-stat-row span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 0.65rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--muted);
  font-weight: 800;
}

.reward-stat-row strong {
  color: var(--teal-deep);
}

.quiz-submit-bar {
  position: sticky;
  bottom: 0;
  z-index: 2;
  display: flex;
  justify-content: flex-end;
  padding-top: 0.4rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.92) 35%);
}

.quiz-submit-button {
  width: min(100%, 260px);
  min-height: 3.2rem;
}

.quiz-xp-panel {
  display: grid;
  gap: 0.55rem;
  padding: 0.9rem;
  border-radius: 0.9rem;
  background: rgba(248, 250, 252, 0.9);
}

.quiz-result-label {
  width: fit-content;
  padding: 0.45rem 0.65rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 900;
}

.result-correct {
  border-color: rgba(20, 111, 102, 0.28);
  background: rgba(20, 111, 102, 0.12);
}

.result-correct .quiz-result-label {
  background: rgba(20, 111, 102, 0.16);
  color: var(--teal-deep);
}

.result-almost {
  border-color: rgba(190, 128, 24, 0.3);
  background: rgba(255, 244, 219, 0.76);
}

.result-almost .quiz-result-label {
  background: rgba(190, 128, 24, 0.16);
  color: #7a5310;
}

.result-incorrect {
  border-color: rgba(143, 50, 31, 0.24);
  background: rgba(255, 238, 234, 0.76);
}

.result-incorrect .quiz-result-label {
  background: rgba(143, 50, 31, 0.14);
  color: #7e2d1c;
}

.result-glow {
  animation: result-glow 520ms var(--ease-out) both;
}

.result-shake {
  animation: result-shake 260ms ease-out both;
}

.result-soft-pop {
  animation: result-soft-pop 260ms var(--ease-out) both;
}

.xp-pop strong,
.combo-pop strong,
.score-pop strong {
  display: inline-block;
  animation: stat-pop 340ms var(--ease-out) both;
}

.toast {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  max-width: 420px;
  padding: 0.95rem 1rem;
  border-radius: 1.1rem;
  background: linear-gradient(135deg, rgba(18, 32, 49, 0.96), rgba(20, 111, 102, 0.92));
  color: #fbfdff;
  box-shadow: 0 20px 42px rgba(18, 32, 49, 0.22);
  z-index: 30;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes step-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes coach-reveal {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes focus-card-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.995);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes popover-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes final-reveal-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes score-sheen {
  to {
    transform: translateX(120%);
  }
}

@keyframes replacement-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes soft-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.035);
  }
}

@keyframes dot-bounce {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.45;
  }
  50% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

@keyframes skeleton-sheen {
  from {
    background-position: 120% 0;
  }
  to {
    background-position: -120% 0;
  }
}

@keyframes reward-pop {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes quiz-card-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes stat-pop {
  0% {
    transform: scale(0.92);
  }
  55% {
    transform: scale(1.08);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes tap-pop {
  0% {
    transform: scale(1);
  }
  45% {
    transform: scale(0.94);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes result-glow {
  0% {
    box-shadow: 0 18px 45px rgba(18, 32, 49, 0.1);
  }
  45% {
    box-shadow: 0 20px 48px rgba(20, 111, 102, 0.22);
  }
  100% {
    box-shadow: 0 18px 45px rgba(18, 32, 49, 0.1);
  }
}

@keyframes result-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  55% {
    transform: translateX(3px);
  }
  80% {
    transform: translateX(-2px);
  }
}

@keyframes result-soft-pop {
  from {
    transform: scale(0.985);
  }
  to {
    transform: scale(1);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (max-width: 1240px) {
  .composer-grid,
  .lesson-hero,
  .lesson-sections,
  .empty-lesson {
    grid-template-columns: 1fr;
  }

  .progress-strip,
  .utility-grid,
  .review-preview-grid,
  .progress-dashboard-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 1080px) {
  .page-shell {
    grid-template-columns: 1fr;
  }

  .session-list {
    max-height: none;
  }

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

@media (max-width: 720px) {
  .page-shell {
    padding: 1rem;
  }

  .rail-brand,
  .rail-panel,
  .compose-card,
  .lesson-panel,
  .auth-card,
  .modal-card {
    padding: 1rem;
    border-radius: 1.5rem;
  }

  .field-row,
  .status-strip,
  .empty-steps,
  .quiz-summary-grid,
  .progress-strip,
  .utility-grid,
  .review-preview-grid,
  .progress-dashboard-grid {
    grid-template-columns: 1fr;
  }

  .top-title {
    font-size: 1.95rem;
  }

  .dropzone-title {
    font-size: 1.9rem;
  }

  .scale-options {
    grid-template-columns: repeat(5, 1fr);
  }

  .quiz-progress-row,
  .lesson-guidance-row {
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .quiz-modal-card {
    width: min(100vw - 1rem, 720px);
    max-height: calc(100vh - 1rem);
  }

  .quiz-top-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quiz-question-card,
  .quiz-result-card {
    padding: 1rem;
    border-radius: 0.85rem;
  }

  .review-question {
    font-size: 1.35rem;
  }

  .quiz-submit-bar {
    justify-content: stretch;
    margin-inline: -0.15rem;
    padding: 0.75rem 0 0;
  }

  .quiz-submit-button {
    width: 100%;
  }

  .answer-button {
    min-height: 3.25rem;
  }

  .phrase-duel-options {
    grid-template-columns: 1fr;
  }

  .phrase-duel-card {
    min-height: 4.8rem;
  }
}

.app-topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  padding: 0.85rem 1rem;
  background: rgba(237, 241, 244, 0.76);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(15, 23, 35, 0.08);
}

.app-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 960px;
  margin: 0 auto;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.topbar-title {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  font-size: 1.35rem;
  line-height: 1;
}

.compact-progress {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.compact-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.62rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
}

.compact-label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.compact-value {
  font-size: 0.98rem;
}

body {
  padding-top: 5.7rem;
}

.learn-page {
  position: relative;
  z-index: 1;
  padding: 1.1rem 1rem 7rem;
}

.learn-shell {
  display: grid;
  gap: 1rem;
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
}

.learn-intro {
  display: grid;
  gap: 0.55rem;
  padding: 0.4rem 0.2rem;
}

.learn-title {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.05;
}

.learn-copy {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 52rem;
}

.upload-stage-card {
  padding: 1.1rem;
}

.upload-stage-head {
  align-items: center;
  margin-bottom: 1rem;
}

.learn-dropzone {
  min-height: 20rem;
  justify-items: center;
  text-align: center;
  border-style: dashed;
}

.upload-placeholder {
  display: grid;
  gap: 0.8rem;
  justify-items: center;
  align-content: center;
  min-height: 14rem;
  width: 100%;
}

.image-preview-shell {
  display: grid;
  width: 100%;
  min-height: 16rem;
}

.image-preview-shell img {
  width: 100%;
  min-height: 16rem;
  max-height: 27rem;
  object-fit: cover;
  border-radius: 1.35rem;
  border: 1px solid var(--line);
}

.generate-button {
  width: 100%;
  margin-top: 1rem;
}

.new-session-button {
  display: inline-grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  border: 1px solid rgba(20, 111, 102, 0.18);
  border-radius: 999px;
  background: linear-gradient(145deg, rgba(20, 111, 102, 0.95), rgba(10, 84, 109, 0.95));
  color: #f8fcff;
  box-shadow: 0 18px 34px rgba(20, 111, 102, 0.22);
}

.new-session-button:hover {
  transform: translateY(-1px) scale(1.02);
}

.new-session-icon {
  font-size: 1.9rem;
  line-height: 1;
  font-weight: 500;
}

.learn-results-shell {
  display: grid;
  gap: 1rem;
}

.journey-shell {
  display: grid;
  gap: 1rem;
  width: 100%;
  min-width: 0;
  padding-bottom: 6.5rem;
}

.learn-step-shell {
  position: relative;
}

.journey-steps {
  position: sticky;
  top: 5.7rem;
  z-index: 5;
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  gap: 0.45rem;
  padding: 0.55rem;
  border: 1px solid var(--line);
  border-radius: 1.3rem;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
}

.journey-step {
  display: inline-flex;
  flex: 0 0 auto;
  min-width: max-content;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.64rem 0.72rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  white-space: nowrap;
}

.journey-step-number {
  display: inline-grid;
  place-items: center;
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 999px;
  background: rgba(18, 32, 49, 0.08);
}

.journey-step.active {
  background: rgba(255, 108, 67, 0.13);
  color: var(--accent-deep);
}

.journey-step.complete {
  background: rgba(20, 111, 102, 0.12);
  color: var(--teal);
}

.sticky-journey-cta {
  position: sticky;
  bottom: 0.85rem;
  z-index: 6;
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 1.45rem;
  background: rgba(247, 250, 252, 0.9);
  box-shadow: 0 22px 46px rgba(18, 32, 49, 0.16);
  backdrop-filter: blur(14px);
}

.journey-primary-button {
  width: 100%;
  min-height: 3.45rem;
  font-size: 1.02rem;
}

.focused-step-shell {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
}

.diagnosis-shell {
  max-width: 780px;
}

.step-transition-in {
  animation: step-in 240ms var(--ease-out) both;
}

.focused-writing-card,
.feedback-screen-card {
  display: grid;
  gap: 1.1rem;
  width: 100%;
  min-width: 0;
  padding: clamp(1.1rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-soft);
}

.feedback-screen-card {
  transition:
    transform 180ms var(--ease-out),
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.feedback-screen-card:hover {
  transform: translateY(-2px);
  border-color: rgba(20, 111, 102, 0.18);
  box-shadow: 0 24px 54px rgba(18, 32, 49, 0.14);
}

.focused-writing-card {
  position: relative;
  animation: focus-card-in 260ms var(--ease-out) both;
}

.focused-writing-card::before {
  content: "";
  position: absolute;
  inset: -1.5rem;
  z-index: -1;
  border-radius: 2rem;
  background: radial-gradient(circle at top, rgba(20, 111, 102, 0.08), transparent 62%);
  pointer-events: none;
}

.focused-image-frame {
  display: grid;
  place-items: center;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: rgba(18, 32, 49, 0.06);
}

.focused-image-preview {
  width: 100%;
  max-height: clamp(18rem, 48vw, 30rem);
  object-fit: contain;
  border-radius: 1rem;
  background: rgba(18, 32, 49, 0.06);
  display: block;
}

.focused-copy {
  display: grid;
  gap: 0.4rem;
}

.focused-copy h3 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.08;
}

.focused-writing-input {
  width: 100%;
  min-height: clamp(16rem, 42vh, 25rem);
  border: 1px solid var(--line-strong);
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  padding: 1rem;
  font-size: clamp(1.08rem, 2.8vw, 1.18rem);
  line-height: 1.65;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.guided-writing-input {
  min-height: 7.5rem;
  resize: vertical;
}

.sentence-starter-button {
  justify-self: start;
  border: 1px solid rgba(20, 111, 102, 0.22);
  border-radius: 999px;
  background: rgba(20, 111, 102, 0.1);
  color: var(--teal);
  padding: 0.64rem 0.9rem;
  font-weight: 800;
}

.guided-hint-panel {
  display: grid;
  gap: 0.85rem;
  min-width: 0;
}

.guided-hint-group {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.hint-chip-button {
  cursor: pointer;
  border-color: rgba(18, 32, 49, 0.12);
  color: var(--ink);
  font-weight: 800;
  transition:
    transform 160ms var(--ease-out),
    box-shadow 160ms var(--ease-out),
    background-color 160ms ease,
    border-color 160ms ease;
}

.hint-chip-button:hover,
.hint-chip-button.selected,
.sentence-starter-button:hover {
  border-color: rgba(20, 111, 102, 0.34);
  background: rgba(20, 111, 102, 0.14);
  color: var(--teal);
  box-shadow: 0 10px 20px rgba(20, 111, 102, 0.1);
}

.phrase-help-toggle {
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: rgba(248, 250, 252, 0.88);
  padding: 0.85rem 0.95rem;
}

.phrase-help-toggle summary {
  cursor: pointer;
  color: var(--teal);
  font-weight: 800;
}

.mini-suggestion-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.score-hero {
  display: grid;
  justify-items: center;
  gap: 0.2rem;
  width: 100%;
  padding: 1.2rem;
  border-radius: 1.35rem;
  background: linear-gradient(135deg, rgba(255, 108, 67, 0.13), rgba(20, 111, 102, 0.12));
}

.diagnosis-card {
  gap: 1rem;
  padding: clamp(1rem, 3vw, 1.75rem);
  border-radius: 1.35rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(248, 250, 252, 0.9)),
    radial-gradient(circle at top left, rgba(20, 111, 102, 0.08), transparent 44%);
}

.diagnosis-score-card {
  position: relative;
  overflow: hidden;
  min-height: 13rem;
  border: 1px solid rgba(20, 111, 102, 0.16);
  background:
    linear-gradient(135deg, rgba(18, 32, 49, 0.98), rgba(20, 111, 102, 0.9) 58%, rgba(255, 108, 67, 0.86));
  box-shadow: 0 24px 48px rgba(20, 111, 102, 0.18);
}

.diagnosis-score-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 20%, rgba(255, 255, 255, 0.2) 42%, transparent 64%);
  transform: translateX(-120%);
  animation: score-sheen 900ms ease 120ms both;
  pointer-events: none;
}

.diagnosis-score-card .score-label,
.diagnosis-score-card span {
  color: rgba(255, 255, 255, 0.78);
}

.diagnosis-score-card strong {
  color: #fff;
  text-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.diagnosis-score-line {
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
}

.diagnosis-line-card {
  width: 100%;
  min-width: 0;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.84);
  transition:
    transform 170ms var(--ease-out),
    box-shadow 170ms ease,
    border-color 170ms ease,
    background-color 170ms ease;
}

.diagnosis-line-card:hover,
.simple-feedback-section:hover,
.improve-suggestion-panel:hover,
.sentence-frame-box:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px rgba(18, 32, 49, 0.08);
}

.diagnosis-line-card p {
  margin: 0;
  color: var(--ink);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.diagnosis-good-card {
  border-color: rgba(20, 111, 102, 0.2);
  background: rgba(20, 111, 102, 0.08);
}

.diagnosis-good-card p span {
  color: var(--teal);
  font-weight: 900;
}

.diagnosis-issue-card {
  border-color: rgba(255, 108, 67, 0.2);
  background: rgba(255, 108, 67, 0.08);
}

.coach-reveal {
  opacity: 0;
  animation: coach-reveal 260ms var(--ease-out) forwards;
  animation-delay: var(--reveal-delay, 0ms);
}

.score-hero strong {
  color: var(--ink);
  font-size: clamp(4rem, 14vw, 7.5rem);
  line-height: 0.9;
}

.score-hero span {
  color: var(--muted);
  font-weight: 800;
}

.score-hero .score-label {
  color: var(--teal);
  font-size: 0.85rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.diagnosis-score-card .score-label {
  color: rgba(255, 255, 255, 0.76);
}

.diagnosis-score-card .diagnosis-score-line strong {
  color: #fff;
  font-size: clamp(4.8rem, 16vw, 8.25rem);
  letter-spacing: 0;
}

.diagnosis-score-card .diagnosis-score-line span {
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.35rem, 4vw, 2.1rem);
  font-weight: 900;
}

.fast-feedback-card {
  gap: 0.85rem;
}

.fast-feedback-card .score-hero {
  padding: 0.95rem;
}

.fast-feedback-card .score-hero strong {
  font-size: clamp(3rem, 10vw, 5rem);
}

.progressive-coach-head {
  display: grid;
  grid-template-columns: minmax(9rem, 0.75fr) minmax(0, 1.25fr);
  gap: 0.85rem;
  align-items: stretch;
}

.progressive-score-hero {
  min-height: 100%;
}

.articulation-level-box {
  display: grid;
  align-content: center;
  gap: 0.45rem;
  padding: 1rem;
  border: 1px solid rgba(20, 111, 102, 0.18);
  border-radius: 1.15rem;
  background: rgba(20, 111, 102, 0.08);
}

.articulation-level-box strong {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  line-height: 1;
}

.articulation-level-box p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.focus-area-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.focus-area-chip {
  display: inline-flex;
  align-items: center;
  min-height: 2.15rem;
  padding: 0.48rem 0.72rem;
  border: 1px solid rgba(255, 108, 67, 0.24);
  border-radius: 999px;
  background: rgba(255, 108, 67, 0.1);
  color: var(--accent-deep);
  font-weight: 900;
  transition:
    transform 160ms var(--ease-out),
    box-shadow 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease;
}

.focus-area-chip:hover,
.diagnosis-chip:hover,
.exact-hint-chip:hover {
  transform: translateY(-1px) scale(1.025);
  border-color: rgba(255, 108, 67, 0.34);
  background: rgba(255, 108, 67, 0.16);
  box-shadow: 0 10px 22px rgba(255, 108, 67, 0.12);
}

.dimension-tracker-section {
  background: rgba(255, 255, 255, 0.78);
}

.dimension-tracker-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.dimension-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2rem;
  padding: 0.4rem 0.62rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(18, 32, 49, 0.04);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.dimension-chip.complete {
  border-color: rgba(20, 111, 102, 0.22);
  background: rgba(20, 111, 102, 0.1);
  color: var(--teal);
}

.exact-guidance-section {
  border-color: rgba(20, 111, 102, 0.2);
  background: rgba(20, 111, 102, 0.07);
}

.exact-hint-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.45rem;
}

.exact-hint-chip {
  display: inline-flex;
  align-items: center;
  min-height: 2.05rem;
  padding: 0.4rem 0.62rem;
  border: 1px solid rgba(20, 111, 102, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--teal-deep);
  font-size: 0.88rem;
  font-weight: 900;
  transition:
    transform 160ms var(--ease-out),
    box-shadow 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease;
}

.exact-hint-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.exact-hint-columns p,
.sentence-frame-box p {
  margin: 0.3rem 0 0;
  color: var(--ink);
  line-height: 1.55;
}

.sentence-frame-box {
  padding: 0.85rem;
  border: 1px solid rgba(255, 108, 67, 0.2);
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.74);
}

.score-grid-four {
  grid-template-columns: repeat(4, minmax(7.5rem, 1fr));
}

.simple-feedback-section,
.improved-version-box,
.previous-answer-box {
  display: grid;
  gap: 0.65rem;
  width: 100%;
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.15rem;
  background: rgba(248, 250, 252, 0.9);
  transition:
    transform 170ms var(--ease-out),
    box-shadow 170ms ease,
    border-color 170ms ease,
    background-color 170ms ease;
}

.simple-feedback-section h4,
.improved-version-box h4,
.previous-answer-box p {
  margin: 0;
}

.improved-version-box {
  border-color: rgba(20, 111, 102, 0.18);
  background: rgba(20, 111, 102, 0.08);
}

.improved-version-box p,
.previous-answer-box p {
  margin: 0;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.previous-answer-box {
  opacity: 0.72;
}

.phrase-usage-section,
.phrase-reuse-panel,
.improve-suggestion-panel {
  border-color: rgba(20, 111, 102, 0.2);
  background: rgba(20, 111, 102, 0.08);
}

.improve-suggestion-panel {
  display: grid;
  gap: 0.65rem;
  width: 100%;
  min-width: 0;
  padding: 1rem;
  border: 1px solid rgba(20, 111, 102, 0.2);
  border-radius: 1.15rem;
}

.improve-action-card {
  gap: 1rem;
}

.articulation-progress-card,
.improve-focus-card,
.improve-hints-card {
  display: grid;
  gap: 0.75rem;
  width: 100%;
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: rgba(248, 250, 252, 0.92);
  transition:
    transform 170ms var(--ease-out),
    box-shadow 170ms ease,
    border-color 170ms ease,
    background-color 170ms ease;
}

.improve-focus-card {
  border-color: rgba(255, 108, 67, 0.22);
  background: rgba(255, 108, 67, 0.08);
  animation: focus-card-in 240ms var(--ease-out) both;
}

.improve-focus-card h4,
.improve-focus-card p,
.improve-hints-card h4 {
  margin: 0;
}

.improve-focus-card h4 {
  color: var(--ink);
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  line-height: 1.25;
  font-weight: 950;
}

.improve-focus-card p {
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.45;
  font-weight: 750;
}

.improve-focus-card small {
  color: var(--muted);
  font-weight: 700;
  line-height: 1.45;
}

.layer-support-message {
  width: fit-content;
  max-width: 100%;
  padding: 0.45rem 0.65rem;
  border: 1px solid rgba(20, 111, 102, 0.18);
  border-radius: 0.75rem;
  background: rgba(20, 111, 102, 0.08);
  color: var(--teal);
  font-size: 0.88rem;
  font-weight: 850;
  line-height: 1.35;
}

.improve-hints-card {
  border-color: rgba(20, 111, 102, 0.2);
  background: rgba(20, 111, 102, 0.07);
}

.improve-focus-card:hover,
.improve-hints-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px rgba(18, 32, 49, 0.08);
}

.improve-hint-grid {
  display: grid;
  gap: 0.85rem;
}

.improve-hint-group {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.improve-hint-chip {
  cursor: pointer;
}

.layer-upgrade-nudge {
  display: grid;
  gap: 0.55rem;
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(255, 108, 67, 0.22);
  border-radius: 0.9rem;
  background: rgba(255, 108, 67, 0.07);
}

.layer-upgrade-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.layer-upgrade-before {
  color: var(--muted);
  text-decoration: line-through;
  font-weight: 850;
}

.articulation-progress-card {
  border-color: rgba(20, 111, 102, 0.18);
  background: rgba(255, 255, 255, 0.72);
}

.articulation-progress-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 900;
}

.articulation-dot-row {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.articulation-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: rgba(18, 32, 49, 0.16);
}

.articulation-dot.complete {
  background: var(--teal);
}

.articulation-dot.current {
  width: 0.7rem;
  height: 0.7rem;
  background: var(--accent);
  box-shadow: 0 0 0 0.22rem rgba(255, 108, 67, 0.14);
}

.articulation-current-focus {
  margin: -0.25rem 0 0;
  color: var(--teal);
  font-size: 0.92rem;
  font-weight: 900;
}

.articulation-layer-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.articulation-layer-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2rem;
  padding: 0.38rem 0.62rem;
  border: 1px solid rgba(18, 32, 49, 0.12);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(248, 250, 252, 0.9);
  font-size: 0.82rem;
  font-weight: 850;
  white-space: nowrap;
}

.articulation-layer-chip.complete {
  color: var(--teal);
  border-color: rgba(20, 111, 102, 0.24);
  background: rgba(20, 111, 102, 0.1);
}

.articulation-layer-chip.current {
  color: var(--accent-strong);
  border-color: rgba(255, 108, 67, 0.28);
  background: rgba(255, 108, 67, 0.1);
}

.articulation-upgrade-card {
  display: grid;
  gap: 0.9rem;
  width: 100%;
  min-width: 0;
  padding: 1rem;
  border: 1px solid rgba(20, 111, 102, 0.2);
  border-radius: 1.1rem;
  background: rgba(20, 111, 102, 0.07);
}

.upgrade-heading {
  display: grid;
  gap: 0.3rem;
}

.upgrade-heading h4,
.upgrade-preview-card p {
  margin: 0;
}

.richness-type-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.richness-type-row span {
  padding: 0.32rem 0.55rem;
  border: 1px solid rgba(20, 111, 102, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 850;
}

.upgrade-answer-panel {
  display: grid;
  gap: 0.45rem;
}

.articulation-upgrade-input {
  min-height: 6.5rem;
}

.inline-upgrade-editor {
  display: grid;
  gap: 0.65rem;
  min-width: 0;
}

.inline-upgrade-answer {
  width: 100%;
  min-width: 0;
  padding: 1.1rem;
  border: 1px solid rgba(20, 111, 102, 0.18);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 750;
  line-height: 1.85;
  overflow-wrap: break-word;
}

.inline-upgrade-answer.replacement-flash {
  animation: replacement-flash 520ms var(--ease-out) both;
}

.inline-upgrade-target {
  position: relative;
  display: inline;
  align-items: baseline;
  margin: 0 0.08rem;
  vertical-align: baseline;
  cursor: pointer;
}

.inline-upgrade-target.show-below {
  padding-bottom: 0;
}

.inline-upgrade-original {
  border-radius: 0.38rem;
  background: rgba(255, 108, 67, 0.12);
  box-shadow: inset 0 -2px 0 rgba(255, 108, 67, 0.42);
  text-decoration: underline dotted rgba(255, 108, 67, 0.62);
  text-underline-offset: 0.16rem;
}

.inline-upgrade-popover {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.42rem);
  z-index: 3;
  display: none;
  align-items: center;
  min-width: 160px;
  max-width: min(280px, calc(100vw - 2rem));
  border: 1px solid rgba(20, 111, 102, 0.2);
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 16px 30px rgba(18, 32, 49, 0.16);
  transform: translateX(-50%);
  white-space: normal;
  word-break: normal;
  overflow-wrap: break-word;
}

.inline-upgrade-target.active .inline-upgrade-popover {
  display: flex;
  animation: popover-in 130ms var(--ease-out) both;
}

.inline-upgrade-target.show-below .inline-upgrade-popover {
  top: calc(100% + 0.42rem);
  bottom: auto;
}

.inline-upgrade-target.align-left .inline-upgrade-popover {
  left: 0;
  transform: none;
}

.inline-upgrade-target.align-right .inline-upgrade-popover {
  right: 0;
  left: auto;
  transform: none;
}

.inline-upgrade-choice,
.inline-upgrade-dismiss {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.inline-upgrade-choice {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
  padding: 0.48rem 0.68rem;
  color: var(--teal);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 950;
  line-height: 1.2;
  text-align: left;
  white-space: normal;
  word-break: normal;
  overflow-wrap: break-word;
}

.inline-upgrade-choice small {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 850;
}

.inline-upgrade-choice:hover {
  color: var(--accent-strong);
}

.inline-upgrade-dismiss {
  flex: 0 0 auto;
  min-width: 2.45rem;
  min-height: 2.45rem;
  border-left: 1px solid rgba(18, 32, 49, 0.08);
  color: var(--muted);
  font-size: 1.1rem;
  font-weight: 950;
}

.inline-upgrade-dismiss:hover {
  color: var(--accent-strong);
  background: rgba(255, 108, 67, 0.08);
}

.inline-upgrade-help {
  margin: 0;
}

@keyframes replacement-flash {
  0% {
    border-color: rgba(255, 108, 67, 0.42);
    background: rgba(255, 108, 67, 0.14);
  }
  100% {
    border-color: rgba(20, 111, 102, 0.18);
    background: rgba(255, 255, 255, 0.78);
  }
}

@media (max-width: 640px) {
  .inline-upgrade-answer {
    padding: 0.9rem;
    font-size: 0.96rem;
    line-height: 1.9;
  }

  .inline-upgrade-popover {
    min-width: 150px;
    max-width: min(260px, calc(100vw - 1.25rem));
  }

  .inline-upgrade-choice {
    padding: 0.55rem 0.62rem;
    font-size: 0.84rem;
  }

  .inline-upgrade-dismiss {
    min-width: 2.75rem;
    min-height: 2.75rem;
  }
}

.upgrade-preview-card {
  border-color: rgba(255, 108, 67, 0.22);
  background: rgba(255, 108, 67, 0.08);
}

.final-reveal-card {
  gap: 1rem;
  border-color: rgba(20, 111, 102, 0.24);
  background: linear-gradient(180deg, rgba(20, 111, 102, 0.1), rgba(255, 108, 67, 0.07));
  animation: final-reveal-in 320ms var(--ease-out) both;
}

.final-progress-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.final-progress-row span {
  padding: 0.42rem 0.62rem;
  border: 1px solid rgba(20, 111, 102, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 900;
  animation: reward-pop 220ms var(--ease-out) both;
}

.answer-comparison-grid {
  display: grid;
  gap: 0.75rem;
}

.upgrade-preview-card p {
  color: var(--ink);
  font-weight: 750;
  line-height: 1.65;
}

.final-language-box,
.final-reward-box {
  display: grid;
  gap: 0.55rem;
  padding: 0.9rem;
  border: 1px solid rgba(18, 32, 49, 0.08);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.74);
}

.final-reward-box {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.final-reward-box strong {
  display: block;
  margin-top: 0.12rem;
  color: var(--accent-deep);
  font-size: 1.45rem;
  line-height: 1;
  animation: reward-pop 260ms var(--ease-out) both;
}

.inline-upgrade-section {
  border-color: rgba(255, 108, 67, 0.24);
  background: rgba(255, 108, 67, 0.08);
}

.inline-upgrade-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.inline-upgrade-list li {
  min-width: 0;
}

.inline-upgrade-text {
  margin: 0;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.85;
}

.inline-upgrade-swap {
  display: inline-flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.28rem;
  margin: 0 0.12rem;
  max-width: 100%;
  padding: 0.5rem 0.62rem;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.62);
  font-weight: 800;
  line-height: 1.45;
  overflow-wrap: anywhere;
  transition:
    transform 160ms var(--ease-out),
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.inline-upgrade-swap:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 24px rgba(255, 108, 67, 0.12);
}

.inline-upgrade-swap del {
  color: var(--muted);
  text-decoration-thickness: 2px;
}

.inline-upgrade-arrow {
  color: var(--accent-deep);
}

.inline-upgrade-label {
  color: var(--accent-deep);
  font-weight: 900;
}

.inline-upgrade-add {
  border: 1px solid rgba(20, 111, 102, 0.16);
  background: rgba(255, 255, 255, 0.78);
}

.inline-upgrade-swap strong {
  color: var(--teal-deep);
  opacity: 0;
  transform: translateY(4px);
  animation: replacement-in 220ms var(--ease-out) forwards;
  animation-delay: calc(var(--reveal-delay, 0ms) + 120ms);
}

.language-feedback-grid {
  display: grid;
  gap: 0.85rem;
}

.phrase-chip {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.42rem 0.68rem;
  border: 1px solid rgba(20, 111, 102, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--teal);
  font-weight: 800;
  font-size: 0.86rem;
  transition:
    transform 160ms var(--ease-out),
    box-shadow 160ms var(--ease-out),
    background-color 160ms ease,
    border-color 160ms ease;
}

.phrase-chip:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(20, 111, 102, 0.1);
}

.phrase-chip.used {
  background: rgba(20, 111, 102, 0.16);
  box-shadow: 0 0 0 2px rgba(20, 111, 102, 0.08);
}

.phrase-chip.suggested {
  color: var(--accent-deep);
  border-color: rgba(255, 108, 67, 0.22);
}

.phrase-chip.partial {
  color: #7b5b00;
  border-color: rgba(245, 158, 11, 0.3);
  background: rgba(245, 158, 11, 0.12);
}

.phrase-chip.misused {
  color: #9f1239;
  border-color: rgba(225, 29, 72, 0.28);
  background: rgba(225, 29, 72, 0.1);
}

.phrase-insert-chip {
  cursor: pointer;
}

.phrase-insert-chip.priority {
  border-color: rgba(255, 108, 67, 0.48);
  background: rgba(255, 108, 67, 0.16);
  box-shadow: 0 0 0 2px rgba(255, 108, 67, 0.08);
}

.phrase-insert-chip.selected {
  background: var(--teal);
  color: #fff;
}

.diagnosis-cta {
  margin-top: 0.15rem;
  min-height: 3.75rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  box-shadow: 0 22px 42px rgba(255, 108, 67, 0.24), 0 10px 24px rgba(20, 111, 102, 0.16);
}

.diagnosis-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 26px 52px rgba(255, 108, 67, 0.28), 0 0 0 5px rgba(20, 111, 102, 0.1);
  filter: saturate(1.06);
}

.improve-structure-panel {
  transition:
    transform 170ms var(--ease-out),
    box-shadow 170ms ease,
    border-color 170ms ease,
    background-color 170ms ease;
}

.phrase-note-list {
  margin-top: 0.75rem;
}

.ai-thinking-card {
  display: grid;
  justify-items: center;
  gap: 1rem;
  padding: clamp(1.3rem, 4vw, 2.4rem);
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.thinking-orb {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 999px;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.95), transparent 30%),
    linear-gradient(135deg, rgba(255, 108, 67, 0.95), rgba(20, 111, 102, 0.95));
  box-shadow: 0 20px 42px rgba(20, 111, 102, 0.18);
  animation: soft-pulse 1400ms ease-in-out infinite;
}

.thinking-dots {
  display: inline-flex;
  gap: 0.35rem;
}

.thinking-dots span {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: var(--teal);
  animation: dot-bounce 900ms ease-in-out infinite;
}

.thinking-dots span:nth-child(2) {
  animation-delay: 120ms;
}

.thinking-dots span:nth-child(3) {
  animation-delay: 240ms;
}

.thinking-step-list {
  display: grid;
  width: min(100%, 30rem);
  gap: 0.65rem;
}

.thinking-step {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.72rem 0.85rem;
  border-radius: 1rem;
  background: rgba(248, 250, 252, 0.88);
  opacity: 0;
  animation: coach-reveal 240ms var(--ease-out) forwards;
  animation-delay: var(--reveal-delay, 0ms);
}

.thinking-step span {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 999px;
  background: var(--accent);
}

.thinking-step p {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

.skeleton-stack {
  display: grid;
  width: min(100%, 30rem);
  gap: 0.5rem;
}

.skeleton-stack span {
  height: 0.8rem;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(18, 32, 49, 0.07), rgba(255, 255, 255, 0.85), rgba(18, 32, 49, 0.07));
  background-size: 220% 100%;
  animation: skeleton-sheen 1100ms ease-in-out infinite;
}

.skeleton-stack span:nth-child(2) {
  width: 86%;
}

.skeleton-stack span:nth-child(3) {
  width: 64%;
}

.inline-phrase-highlight {
  padding: 0.08rem 0.28rem;
  border-radius: 0.45rem;
  background: rgba(255, 108, 67, 0.18);
  color: inherit;
  font-weight: 800;
}

.score-progress-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding: 0.8rem;
  border: 1px solid rgba(20, 111, 102, 0.16);
  border-radius: 1.15rem;
  background: rgba(20, 111, 102, 0.08);
}

.score-progress-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.45rem 0.68rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--muted);
  font-weight: 800;
  font-size: 0.86rem;
}

.score-progress-pill.active {
  background: var(--teal);
  color: #fff;
  animation: reward-pop 260ms var(--ease-out) both;
}

.score-progress-arrow {
  color: var(--teal);
  font-weight: 900;
}

.improvement-comparison-box,
.targeted-feedback-box,
.move-forward-box {
  display: grid;
  gap: 0.55rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.15rem;
  background: rgba(248, 250, 252, 0.92);
}

.improvement-comparison-box {
  grid-template-columns: 1fr auto;
  align-items: center;
  border-color: rgba(255, 108, 67, 0.2);
  background: rgba(255, 108, 67, 0.09);
}

.improvement-comparison-box strong {
  font-size: 1.4rem;
}

.improvement-comparison-box span {
  color: var(--accent-deep);
  font-weight: 900;
}

.targeted-feedback-box h4,
.move-forward-box p {
  margin: 0;
}

.move-forward-box {
  border-color: rgba(20, 111, 102, 0.22);
  background: rgba(20, 111, 102, 0.09);
}

.journey-choice-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.session-workspace {
  display: grid;
  gap: 1rem;
  width: 100%;
  min-width: 0;
  align-items: start;
}

.session-workspace.focused-session-layout {
  grid-template-columns: minmax(0, 1fr) !important;
  justify-items: center;
  width: min(100vw - 2rem, 920px);
  max-width: 920px;
  margin-left: 0;
  transform: none;
}

#sessionDetailPanel {
  width: 100%;
  min-width: 0;
}

.session-workspace.focused-session-layout #sessionDetailPanel {
  width: min(100%, 900px);
  max-width: 900px;
  justify-self: center;
}

.session-workspace.focused-session-layout .focused-step-shell {
  width: 100%;
  max-width: none;
}

.result-section {
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
  padding: 1.05rem;
}

.hero-result-card {
  display: grid;
  gap: 1rem;
}

.hero-image-shell {
  overflow: hidden;
  border-radius: 1.3rem;
  background: rgba(246, 248, 250, 0.8);
  border: 1px solid var(--line);
}

.hero-image-shell img {
  width: 100%;
  display: block;
  min-height: 16rem;
  max-height: 26rem;
  object-fit: cover;
}

.hero-result-copy {
  display: grid;
  gap: 0.75rem;
}

.hero-result-copy h3,
.language-group-head h5 {
  margin: 0;
}

.language-result-card,
.language-groups,
.language-group {
  display: grid;
  gap: 1rem;
}

.language-grid {
  display: grid;
  gap: 0.8rem;
}

.language-card {
  display: grid;
  gap: 0.55rem;
  padding: 0.95rem;
  border-radius: 1.15rem;
  border: 1px solid var(--line);
  background: rgba(248, 250, 252, 0.88);
}

.language-card-button {
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.language-card-button:hover {
  transform: translateY(-2px);
  border-color: rgba(20, 111, 102, 0.26);
  box-shadow: 0 18px 28px rgba(20, 111, 102, 0.1);
}

.language-card-button:focus-visible {
  outline: 2px solid rgba(20, 111, 102, 0.45);
  outline-offset: 2px;
}

.language-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.language-card p,
.language-example {
  margin: 0;
  line-height: 1.6;
}

.explanation-practice-form,
.feedback-panel,
.feedback-stack {
  display: grid;
  gap: 1rem;
}

.explanation-practice-form textarea,
.feedback-stack textarea {
  min-height: 8rem;
}

.score-grid,
.feedback-columns,
.alternative-list {
  display: grid;
  gap: 0.75rem;
}

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

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

.feedback-columns section,
.alternative-card {
  min-width: 0;
  padding: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 1.15rem;
  background: rgba(248, 250, 252, 0.88);
}

.feedback-columns h5,
.alternative-card p,
.alternative-card strong {
  margin: 0;
}

.compact-list {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.55;
}

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

.alternative-card {
  display: grid;
  gap: 0.45rem;
}

.sentence-structure-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.language-help-copy {
  margin: 0;
}

.session-library-section {
  display: grid;
  gap: 1rem;
  align-self: start;
}

.learn-session-list {
  display: grid;
  gap: 0.8rem;
  max-height: min(62vh, 42rem);
  overflow: auto;
  padding-right: 0.25rem;
}

.learn-session-item {
  background: rgba(255, 255, 255, 0.78);
  border-color: var(--line);
}

.learn-session-item h4 {
  font-size: 1rem;
}

.session-load-sentinel {
  padding: 0.4rem 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.floating-quiz-button {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 12;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.95rem 1rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(18, 32, 49, 0.98), rgba(20, 111, 102, 0.92));
  color: #fbfdff;
  font-weight: 700;
  box-shadow: 0 24px 40px rgba(20, 111, 102, 0.24);
  transition:
    transform 180ms ease,
    opacity 180ms ease,
    box-shadow 180ms ease;
}

.floating-quiz-button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  box-shadow: none;
}

.floating-quiz-button.quiz-ready:hover {
  transform: translateY(-2px);
}

.floating-quiz-button.quiz-pulse {
  animation: quiz-pulse 1.8s ease-in-out infinite;
}

.floating-quiz-label {
  white-space: nowrap;
}

.dashboard-modal-card {
  width: min(100%, 760px);
}

.dashboard-content,
.dashboard-stack,
.dashboard-section,
.dashboard-action-grid {
  display: grid;
  gap: 1rem;
}

.dashboard-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

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

.dashboard-action-card,
.dashboard-session-item {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.78);
  padding: 1rem;
  text-align: left;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.dashboard-action-card {
  display: grid;
  gap: 0.45rem;
}

.dashboard-session-item.active {
  border-color: rgba(20, 111, 102, 0.3);
  box-shadow: 0 18px 28px rgba(20, 111, 102, 0.1);
}

.dashboard-action-card:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

@keyframes quiz-pulse {
  0%,
  100% {
    box-shadow: 0 24px 40px rgba(20, 111, 102, 0.24);
  }
  50% {
    box-shadow: 0 24px 40px rgba(20, 111, 102, 0.24), 0 0 0 10px rgba(20, 111, 102, 0.1);
  }
}

@media (min-width: 768px) {
  .session-workspace {
    grid-template-columns: minmax(0, 1fr);
    justify-items: stretch;
  }

  .session-workspace.has-session-library {
    grid-template-columns: minmax(13rem, 17rem) minmax(0, 1fr);
    max-width: 1180px;
    width: min(100vw - 2rem, 1180px);
    margin-left: 50%;
    transform: translateX(-50%);
  }

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

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

  .coach-reveal,
  .step-transition-in,
  .quiz-question-enter,
  .result-glow,
  .result-shake,
  .result-soft-pop,
  .xp-pop strong,
  .combo-pop strong,
  .score-pop strong,
  .inline-upgrade-swap strong {
    opacity: 1 !important;
    transform: none !important;
    box-shadow: inherit !important;
  }
}

@media (max-width: 720px) {
  body {
    padding-top: 5.2rem;
  }

  .app-topbar {
    padding: 0.75rem;
  }

  .app-topbar-inner,
  .topbar-actions {
    align-items: center;
  }

  .topbar-actions {
    gap: 0.55rem;
  }

  .compact-progress {
    display: none;
  }

  .new-session-button {
    width: 3rem;
    height: 3rem;
  }

  .upload-stage-card,
  .session-library-section,
  .result-section,
  .dashboard-action-card,
  .dashboard-session-item {
    padding: 0.95rem;
  }

  .session-workspace {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .session-library-section {
    order: 2;
  }

  .learn-session-list {
    max-height: none;
    overflow: visible;
  }

  .dashboard-action-grid,
  .dashboard-stat-grid,
  .feedback-columns,
  .alternative-list {
    grid-template-columns: 1fr;
  }

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

  .focused-writing-card,
  .feedback-screen-card,
  .quiz-question-card,
  .quiz-result-card {
    border-radius: 1.1rem;
  }

  .focused-writing-card,
  .feedback-screen-card {
    gap: 0.9rem;
    padding: 1rem;
  }

  .progressive-coach-head {
    grid-template-columns: 1fr;
  }

  .exact-hint-columns {
    grid-template-columns: 1fr;
  }

  .focused-image-preview {
    max-height: 18rem;
  }

  .quiz-top-stats {
    gap: 0.45rem;
  }

  .quiz-top-stats span {
    padding: 0.62rem 0.55rem;
    font-size: 0.74rem;
    text-align: center;
  }

  .quiz-top-stats strong {
    font-size: 0.96rem;
  }

  .quiz-submit-bar {
    justify-content: stretch;
  }

  .quiz-submit-button {
    width: 100%;
  }

  .matching-shell {
    grid-template-columns: 1fr;
  }

  .reward-screen {
    max-width: none;
  }

  .reward-stat-row span {
    width: 100%;
    justify-content: center;
    border-radius: 0.85rem;
  }

  .journey-shell {
    padding-bottom: 7rem;
  }

  .journey-steps {
    top: 5.2rem;
    justify-content: flex-start;
    gap: 0.35rem;
    scrollbar-width: none;
  }

  .journey-step {
    min-width: 3.2rem;
    justify-content: center;
    gap: 0;
    padding: 0.5rem;
    font-size: 0;
  }

  .journey-step-number {
    width: 1.65rem;
    height: 1.65rem;
    font-size: 0.82rem;
  }

  .improvement-comparison-box,
  .journey-choice-row {
    grid-template-columns: 1fr;
  }

  .floating-quiz-button {
    right: 0.85rem;
    bottom: 0.85rem;
    left: 0.85rem;
    justify-content: center;
  }

}