:root {
  color-scheme: light;
  --canvas: #ffffff;
  --canvas-soft: #f6f5f4;
  --surface: #ffffff;
  --ink: #050505;
  --ink-secondary: #31302e;
  --ink-muted: #615d59;
  --ink-faint: #a39e98;
  --hairline: #e6e6e6;
  --primary: #0075de;
  --primary-active: #005bab;
  --secondary: #213183;
  --accent-sky: #62aef0;
  --accent-purple: #d6b6f6;
  --accent-pink: #ff64c8;
  --accent-orange: #dd5b00;
  --accent-teal: #2a9d99;
  --accent-green: #1aae39;
  --danger: #b42318;
  --card-back-paper: #f8f7f2;
  --card-back-ink: var(--secondary);
  --radius-xs: 4px;
  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 28px;
  --space-xxl: 32px;
  --shadow-soft:
    rgba(0, 0, 0, 0.01) 0 0.175px 1.041px,
    rgba(0, 0, 0, 0.02) 0 0.8px 2.925px,
    rgba(0, 0, 0, 0.027) 0 2.025px 7.847px,
    rgba(0, 0, 0, 0.04) 0 4px 18px;
  --shadow-elevated:
    rgba(0, 0, 0, 0.012) 0 1px 2px,
    rgba(0, 0, 0, 0.018) 0 4px 8px,
    rgba(0, 0, 0, 0.025) 0 9px 18px,
    rgba(0, 0, 0, 0.035) 0 16px 32px,
    rgba(0, 0, 0, 0.05) 0 23px 52px;
}

html.dark,
body.dark {
  color-scheme: dark;
  --canvas: #151719;
  --canvas-soft: #0f1114;
  --surface: #1c2024;
  --ink: #ece9e3;
  --ink-secondary: #d5d0c8;
  --ink-muted: #a9a39a;
  --ink-faint: #716b63;
  --hairline: #30363d;
  --primary: #6bb9ee;
  --primary-active: #98d0f4;
  --secondary: #111a3f;
  --accent-sky: #4b9ed8;
  --accent-purple: #9d80d0;
  --accent-pink: #d552a7;
  --accent-orange: #b86a35;
  --accent-teal: #2a908d;
  --accent-green: #3c9854;
  --card-back-paper: #d7d0c2;
  --card-back-ink: #17215f;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--canvas-soft);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

body {
  margin: 0;
  background: var(--canvas-soft);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 30%, transparent);
  outline-offset: 2px;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--canvas) 92%, transparent);
  border-bottom: 1px solid var(--hairline);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.25px;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.brand-mark img {
  width: 30px;
  height: 30px;
  image-rendering: pixelated;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--ink-secondary);
  font-size: 15px;
}

.nav-links a {
  color: var(--ink-secondary);
  flex: 0 0 auto;
}

.nav-links a:not(.button-utility) {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 6px 14px 6px 0;
  border-right: 1px solid color-mix(in srgb, var(--ink-faint) 42%, transparent);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: color 120ms ease, background 120ms ease;
}

.nav-links a:not(.button-utility):nth-last-child(2) {
  border-right: 0;
}

.nav-links a:not(.button-utility):hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--primary) 7%, transparent);
}

.nav-links .button-utility {
  color: #ffffff;
}

.button-primary,
.button-secondary,
.button-utility,
.button-danger,
.record-button {
  border: 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  transition: transform 120ms ease, background 120ms ease;
  white-space: nowrap;
}

.button-primary,
.record-button {
  padding: 10px 18px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: #ffffff;
  font-weight: 500;
}

.button-primary:active,
.record-button:active {
  background: var(--primary-active);
  transform: scale(0.96);
}

.button-primary:disabled,
.button-secondary:disabled,
.button-utility:disabled,
.button-danger:disabled,
.record-button:disabled {
  opacity: 0.52;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.button-secondary {
  padding: 10px 18px;
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-soft);
}

.button-utility {
  padding: 8px 14px;
  border: 1px solid color-mix(in srgb, var(--primary) 70%, var(--hairline));
  border-radius: var(--radius-md);
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 6px 16px color-mix(in srgb, var(--primary) 18%, transparent);
}

.button-utility:active {
  background: var(--primary-active);
  transform: scale(0.97);
}

.button-danger {
  padding: 8px 14px;
  border: 1px solid color-mix(in srgb, var(--danger) 70%, var(--hairline));
  border-radius: var(--radius-md);
  background: var(--danger);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 6px 16px color-mix(in srgb, var(--danger) 16%, transparent);
}

.button-danger:active {
  background: color-mix(in srgb, var(--danger) 82%, #000000);
  transform: scale(0.97);
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero-band {
  position: relative;
  background: #fbf5e9;
  color: #ffffff;
  overflow: hidden;
}

.hero-band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(10, 14, 22, 0.96) 0%, rgba(10, 14, 22, 0.9) 48%, rgba(10, 14, 22, 0.22) 78%);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
}

.hero-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: right calc(50% + var(--hero-parallax-offset, 0px));
}

.hero-inner {
  width: min(1120px, calc(100% - 32px));
  min-height: min(680px, calc(100vh - 64px));
  margin: 0 auto;
  padding: 72px 0 56px;
  display: block;
  position: relative;
  z-index: 2;
}

.hero-floating-actions {
  position: absolute;
  right: 0;
  bottom: 86px;
  z-index: 2;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-full);
  background: rgba(10, 14, 22, 0.24);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.hero-copy {
  position: absolute;
  left: 0;
  bottom: 172px;
  z-index: 2;
  width: min(560px, 58vw);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.42);
}

.hero-copy .eyebrow {
  margin-bottom: var(--space-sm);
}

.hero-copy h1 {
  margin-bottom: var(--space-md);
  color: #ffffff;
  font-size: clamp(40px, 5.6vw, 56px);
  line-height: 1.02;
  letter-spacing: -1.5px;
}

.hero-copy p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
  line-height: 1.5;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 8px;
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.125px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: var(--space-lg);
  font-size: clamp(42px, 8vw, 64px);
  line-height: 1;
  letter-spacing: -2.125px;
}

h2 {
  margin-bottom: var(--space-md);
  font-size: clamp(30px, 5vw, 40px);
  line-height: 1.1;
  letter-spacing: -1px;
}

h3 {
  margin-bottom: var(--space-xs);
  font-size: 22px;
  line-height: 1.27;
  letter-spacing: -0.25px;
}

.lead {
  color: var(--ink-secondary);
  font-size: 18px;
}

.section-lead {
  max-width: 760px;
  margin-top: calc(var(--space-sm) * -1);
  margin-bottom: var(--space-lg);
  color: var(--ink-secondary);
  font-size: 17px;
  line-height: 1.55;
}

.hero-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.section {
  padding: 72px 0;
}

.section-tight {
  padding: 48px 0;
}

.section,
.section-tight {
  content-visibility: auto;
  contain-intrinsic-size: 720px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}

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

.section-visual {
  align-items: center;
}

.section-visual-copy {
  display: grid;
  gap: var(--space-sm);
}

.illustration-card {
  margin: 0;
  padding: var(--space-sm);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.illustration-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.flow-preview,
.guide-visual,
.visual-pair {
  margin: var(--space-lg) 0;
}

.flow-preview {
  max-width: 520px;
}

.guide-visual {
  max-width: 460px;
}

.wide-visual {
  margin: var(--space-lg) 0;
}

.wide-visual img {
  aspect-ratio: 4 / 3;
}

.card,
.feature-card,
.policy-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.feature-card.elevated,
.app-panel {
  box-shadow: var(--shadow-soft);
}

.feature-chip {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  margin-bottom: var(--space-md);
  color: var(--ink);
  font-weight: 700;
}

.feature-chip img {
  width: 28px;
  height: 28px;
  image-rendering: pixelated;
}

.chip-sky { background: var(--accent-sky); }
.chip-purple { background: var(--accent-purple); }
.chip-pink { background: var(--accent-pink); }
.chip-orange { background: color-mix(in srgb, var(--accent-orange) 22%, var(--surface)); }
.chip-teal { background: color-mix(in srgb, var(--accent-teal) 24%, var(--surface)); }
.chip-green { background: color-mix(in srgb, var(--accent-green) 22%, var(--surface)); }

.content-page {
  padding: 72px 0;
}

.content-page article {
  width: min(780px, calc(100% - 32px));
  margin: 0 auto;
  min-width: 0;
}

.content-page section {
  margin-top: 40px;
}

.content-page li + li {
  margin-top: 8px;
}

.content-page h1,
.content-page h2,
.content-page h3,
.content-page p,
.content-page li,
.content-page a {
  overflow-wrap: anywhere;
}

.guide-article {
  display: grid;
  gap: 24px;
}

.guide-article section {
  margin-top: 0;
}

.guide-section {
  display: grid;
  gap: 16px;
}

.guide-section-heading {
  display: grid;
  gap: 8px;
}

.guide-card,
.guide-card-grid > .guide-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
}

.guide-card {
  display: grid;
  gap: 12px;
}

.guide-card h2,
.guide-card h3,
.guide-card p,
.guide-card li {
  margin-bottom: 0;
  overflow-wrap: anywhere;
}

.guide-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.guide-card-hero {
  box-shadow: var(--shadow-soft);
}

.guide-card-muted {
  background: color-mix(in srgb, var(--canvas-soft) 76%, var(--surface));
}

.guide-number {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-full);
  display: inline-grid;
  place-items: center;
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
}

.guide-mini-list {
  display: grid;
  gap: 8px;
}

.guide-mini-list p {
  display: grid;
  gap: 2px;
  padding: 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--canvas-soft) 74%, var(--surface));
}

.guide-mini-list span,
.guide-checklist {
  color: var(--ink-muted);
}

.guide-checklist {
  margin: 0;
  padding-left: 20px;
}

.guide-cta {
  justify-items: start;
}

.site-footer {
  border-top: 1px solid var(--hairline);
  padding: var(--space-xxl) 0;
  color: var(--ink-secondary);
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-links a {
  color: var(--ink-secondary);
}

.app-body {
  min-height: 100vh;
  padding-bottom: calc(82px + env(safe-area-inset-bottom));
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 15;
  background: color-mix(in srgb, var(--canvas-soft) 92%, transparent);
  border-bottom: 1px solid var(--hairline);
  backdrop-filter: blur(16px);
}

.app-header-inner {
  width: min(960px, calc(100% - 32px));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.app-main {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: var(--space-lg) 0 36px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.panel-heading p {
  margin-bottom: 0;
  color: var(--ink-muted);
}

.app-panel {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
}

.bottom-tabs {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  background: var(--surface);
  border-top: 1px solid var(--hairline);
  padding: 8px max(12px, env(safe-area-inset-left)) calc(8px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-right));
}

.bottom-tab-list {
  width: min(640px, 100%);
  min-height: 56px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 4px;
}

.bottom-tab {
  min-width: 0;
  min-height: 56px;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--ink-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 12px;
}

.bottom-tab .icon {
  font-size: 19px;
  line-height: 1;
}

.bottom-tab.active {
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
  font-weight: 700;
}

.practice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
  --practice-card-height: 340px;
}

.practice-card {
  min-height: var(--practice-card-height);
  border: 0;
  border-radius: var(--radius-lg);
  background: transparent;
  padding: 0;
  display: block;
  text-align: left;
  cursor: pointer;
  perspective: 1000px;
}

.practice-card:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 30%, transparent);
  outline-offset: 3px;
}

.practice-card-inner {
  position: relative;
  min-height: var(--practice-card-height);
  transform-style: preserve-3d;
  transition: transform 420ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.practice-card.active .practice-card-inner {
  transform: rotateY(180deg);
}

.practice-card-face {
  position: absolute;
  inset: 0;
  min-height: var(--practice-card-height);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: var(--space-lg);
  display: grid;
  gap: var(--space-sm);
  align-content: space-between;
  backface-visibility: hidden;
  box-shadow: var(--shadow-soft);
}

.practice-card-cover {
  padding: 0;
  overflow: hidden;
  background: var(--card-back-paper);
  border: 1px solid var(--hairline);
}

.practice-card-cover::before,
.practice-card-cover::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.practice-card-cover::before {
  inset: 14px;
  border-radius: calc(var(--radius-lg) - 5px);
  background:
    radial-gradient(circle at center, var(--card-back-paper) 0 16%, transparent 17%),
    conic-gradient(from 45deg, var(--card-back-ink) 0 25%, var(--card-back-paper) 0 50%, var(--card-back-ink) 0 75%, var(--card-back-paper) 0) 0 0 / 18px 18px;
  border: 4px solid var(--card-back-ink);
  box-shadow:
    inset 0 0 0 5px var(--card-back-paper),
    inset 0 0 0 7px var(--card-back-ink),
    inset 0 0 0 15px var(--card-back-paper),
    inset 0 0 0 17px var(--card-back-ink);
}

.practice-card-cover::after {
  left: 50%;
  top: 50%;
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background:
    linear-gradient(45deg, transparent 37%, var(--card-back-ink) 38% 44%, transparent 45% 55%, var(--card-back-ink) 56% 62%, transparent 63%),
    linear-gradient(-45deg, transparent 37%, var(--card-back-ink) 38% 44%, transparent 45% 55%, var(--card-back-ink) 56% 62%, transparent 63%),
    var(--card-back-paper);
  border: 4px double var(--card-back-ink);
  transform: translate(-50%, -50%) rotate(45deg);
  box-shadow: 0 0 0 8px var(--card-back-paper), 0 0 0 11px var(--card-back-ink);
}

.practice-card.is-unattempted .practice-card-cover {
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--primary) 16%, transparent),
    0 0 22px color-mix(in srgb, var(--primary) 18%, transparent),
    var(--shadow-soft);
}

.practice-status-flag {
  position: absolute;
  z-index: 3;
  top: 10px;
  right: 10px;
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  border: 1px solid color-mix(in srgb, var(--primary) 26%, var(--hairline));
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  color: var(--primary);
  font-size: 12px;
  line-height: 1;
  font-weight: 800;
  box-shadow: var(--shadow-soft);
}

.practice-card.is-completed .practice-status-flag {
  border-color: color-mix(in srgb, var(--accent-green) 34%, var(--hairline));
  background: color-mix(in srgb, var(--accent-green) 12%, var(--surface));
  color: var(--accent-green);
}

.practice-card-front {
  transform: rotateY(180deg);
  grid-template-rows: auto auto minmax(86px, 1fr) auto;
  align-content: stretch;
}

.practice-card-front .practice-status-flag {
  grid-row: 1;
}

.practice-card-front .eyebrow {
  grid-row: 1;
  align-self: start;
  padding-right: 96px;
}

.practice-card-front .sentence {
  grid-row: 2;
}

.practice-card-front .muted {
  grid-row: 3;
  align-self: start;
}

.practice-card-front .record-button {
  grid-row: 4;
  align-self: end;
  width: 100%;
}

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

.practice-card .sentence {
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: -0.125px;
  font-weight: 600;
}

.result-box {
  margin-top: var(--space-lg);
  display: grid;
  gap: var(--space-md);
}

.score-result {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-md);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--canvas-soft) 72%, var(--surface));
}

.score-result-compact {
  max-width: 520px;
}

.score-number {
  font-size: 40px;
  line-height: 1.1;
  letter-spacing: -1px;
  font-weight: 700;
}

.word-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.word-pill {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-full);
  padding: 5px 9px;
  background: var(--surface);
  color: var(--ink-secondary);
  font-size: 14px;
}

.script-layout,
.settings-grid,
.records-grid {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: var(--space-md);
}

.records-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.practice-room-layout {
  display: grid;
  gap: var(--space-md);
}

.category-list,
.record-list {
  display: grid;
  gap: 8px;
}

.library-category-list {
  grid-template-columns: 1fr;
}

.records-category-list {
  align-content: start;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.category-button {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--ink);
  padding: 10px 12px;
  text-align: left;
  display: grid;
  gap: 3px;
  scroll-snap-align: start;
}

.category-button.active {
  border-color: color-mix(in srgb, var(--primary) 46%, var(--hairline));
  color: var(--primary);
  font-weight: 700;
}

.category-button strong {
  font-size: 14px;
}

.category-button small {
  color: var(--ink-muted);
  font-size: 12px;
  line-height: 1.35;
  font-weight: 400;
}

.library-category-list .category-button {
  min-height: 42px;
  justify-items: center;
  padding: 9px 12px;
  text-align: center;
}

.records-category-list .category-button {
  min-height: 64px;
  justify-items: start;
  padding: 12px 14px;
}

.records-category-list .category-button strong {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 16px;
  line-height: 1.2;
}

.records-category-list .category-button img {
  width: 20px;
  height: 20px;
  image-rendering: pixelated;
  object-fit: contain;
}

.records-panel {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  margin-top: 4px;
}

.records-panel h2 {
  margin-bottom: 16px;
  font-size: clamp(24px, 7vw, 32px);
  line-height: 1.08;
  letter-spacing: -0.5px;
}

.records-panel[hidden] {
  display: none;
}

.library-category-list .category-button small {
  display: none;
}

.library-image-strip {
  display: grid;
}

.library-image-button,
.library-hero-card {
  overflow: hidden;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 0;
  box-shadow: var(--shadow-soft);
}

.library-image-button.active {
  border-color: var(--primary);
}

.library-image-button img,
.library-hero-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.library-hero-card {
  border: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: var(--space-sm);
  align-items: center;
  padding: 10px;
}

.library-hero-card img {
  border-radius: var(--radius-md);
}

.library-hero-card.image-missing {
  grid-template-columns: 1fr;
}

.library-hero-card.image-missing img {
  display: none;
}

.library-hero-card strong {
  display: block;
  margin-top: 3px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.25;
}

.library-hero-card p {
  margin: 5px 0 0;
  color: var(--ink-secondary);
  line-height: 1.45;
}

.library-mode-list {
  grid-template-columns: 1fr;
}

.practice-mode-button {
  width: 100%;
  min-height: 82px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--ink);
  padding: 12px 14px;
  text-align: left;
  display: grid;
  gap: 4px;
}

.practice-mode-button.active {
  border-color: color-mix(in srgb, var(--primary) 48%, var(--hairline));
  background: color-mix(in srgb, var(--primary) 7%, var(--surface));
  box-shadow: var(--shadow-soft);
}

.practice-mode-button span {
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
}

.practice-mode-button strong {
  font-size: 17px;
  line-height: 1.25;
}

.practice-mode-button small {
  color: var(--ink-muted);
  font-size: 13px;
  line-height: 1.35;
}

@media (min-width: 700px) {
  .library-category-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .library-image-strip {
    grid-template-columns: 1fr;
  }

  .library-hero-card {
    grid-template-columns: 168px minmax(0, 1fr);
  }
}

.script-list {
  display: grid;
  gap: var(--space-sm);
}

.script-item,
.record-item,
.setting-row {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: var(--space-md);
}

.record-card {
  display: grid;
  gap: 14px;
  border-radius: 20px;
  padding: 16px;
  box-shadow: var(--shadow-soft);
}

.record-card-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
}

.record-card-header > div {
  display: grid;
  gap: 5px;
}

.record-card-header strong {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.2;
}

.record-type {
  width: fit-content;
  border: 1px solid color-mix(in srgb, var(--primary) 28%, var(--hairline));
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--primary) 8%, var(--surface));
  color: var(--primary);
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
}

.record-score {
  min-width: 56px;
  min-height: 48px;
  display: inline-grid;
  place-items: center;
  border-radius: 16px;
  background: color-mix(in srgb, var(--canvas-soft) 80%, var(--surface));
  color: var(--ink);
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}

.record-score small {
  font-size: 11px;
  font-weight: 800;
}

.record-score.excellent {
  background: color-mix(in srgb, var(--accent-green) 13%, var(--surface));
  color: var(--accent-green);
}

.record-score.good {
  background: color-mix(in srgb, var(--primary) 11%, var(--surface));
  color: var(--primary);
}

.record-score.retry {
  background: color-mix(in srgb, var(--danger) 10%, var(--surface));
  color: var(--danger);
}

.record-copy-grid {
  display: grid;
  gap: 8px;
}

.record-copy-grid section {
  border: 1px solid color-mix(in srgb, var(--ink) 8%, var(--hairline));
  border-radius: 14px;
  background: color-mix(in srgb, var(--canvas-soft) 50%, var(--surface));
  padding: 10px 12px;
}

.record-copy-grid span {
  display: block;
  margin-bottom: 5px;
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 900;
}

.record-copy-grid p {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.45;
  word-break: keep-all;
}

.record-diff {
  border-radius: 7px;
  background: color-mix(in srgb, var(--danger) 12%, var(--surface));
  color: var(--danger);
  padding: 1px 4px;
}

.record-diff-missing {
  border-bottom: 2px solid color-mix(in srgb, var(--danger) 50%, transparent);
}

.record-empty-text {
  color: var(--ink-muted);
  font-weight: 700;
}

.record-audio-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  border: 1px solid color-mix(in srgb, var(--primary) 20%, var(--hairline));
  border-radius: 16px;
  background: color-mix(in srgb, var(--primary) 5%, var(--surface));
  padding: 12px;
}

.record-play-button {
  width: 46px;
  height: 46px;
  border: 1px solid color-mix(in srgb, var(--primary) 32%, var(--hairline));
  border-radius: var(--radius-full);
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-soft);
  font-weight: 900;
}

.record-waveform-wrap {
  min-width: 0;
  display: grid;
  gap: 7px;
}

.record-waveform {
  height: 38px;
  display: flex;
  align-items: center;
  gap: 3px;
}

.record-waveform i {
  width: 3px;
  height: var(--bar-height);
  flex: 1 1 0;
  max-width: 5px;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--ink) 16%, var(--hairline));
  transition: background 120ms ease, height 180ms ease;
}

.record-waveform i.is-played,
.record-card.is-playing .record-waveform i.is-played {
  background: var(--primary);
}

.record-audio-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 800;
}

.record-audio-empty {
  display: grid;
  gap: 4px;
  border: 1px dashed color-mix(in srgb, var(--ink) 16%, var(--hairline));
  border-radius: 14px;
  background: color-mix(in srgb, var(--canvas-soft) 68%, var(--surface));
  padding: 12px;
}

.record-audio-empty strong {
  color: var(--ink);
  font-size: 14px;
}

.record-audio-empty span {
  color: var(--ink-muted);
  font-size: 12px;
  line-height: 1.4;
}

.script-item {
  display: grid;
  gap: var(--space-sm);
}

.library-action-card {
  display: grid;
}

.library-start-button {
  min-height: 58px;
  width: 100%;
  font-size: 18px;
  font-weight: 900;
}

.calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.records-panel .calendar {
  gap: 5px;
}

.calendar-cell {
  min-height: 44px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: 5px;
  display: grid;
  align-content: space-between;
  font-size: 12px;
}

.records-panel .calendar-cell {
  min-height: clamp(42px, 12vw, 52px);
  border-radius: 12px;
  padding: 5px 6px;
  font-size: 13px;
}

.calendar-cell .status {
  font-weight: 700;
}

.calendar-streak-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: var(--space-sm);
  color: var(--ink-muted);
  font-size: 13px;
  line-height: 1.4;
}

.calendar-streak-summary span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--canvas-soft) 70%, var(--surface));
  padding: 4px 10px;
}

.status-success { color: var(--accent-green); }
.status-fail { color: var(--danger); }
.status-freeze { color: var(--primary); }

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.stat-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: var(--space-md);
}

.stat-card strong {
  display: block;
  font-size: 26px;
  line-height: 1.23;
  letter-spacing: -0.625px;
}

.setting-row {
  display: grid;
  gap: var(--space-xs);
}

.setting-control {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.text-input {
  min-height: 40px;
  border: 1px solid rgb(221, 221, 221);
  border-radius: var(--radius-xs);
  background: var(--surface);
  color: var(--ink);
  padding: 6px;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.switch input {
  width: 20px;
  height: 20px;
}

.settings-policy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--hairline);
  color: var(--ink-muted);
  font-size: 13px;
  font-weight: 800;
}

.settings-policy-links a {
  color: var(--ink-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.notice {
  border: 1px solid color-mix(in srgb, var(--primary) 32%, var(--hairline));
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--primary) 8%, var(--surface));
  padding: var(--space-md);
  color: var(--ink-secondary);
}

.notice.danger {
  border-color: color-mix(in srgb, var(--danger) 35%, var(--hairline));
  background: color-mix(in srgb, var(--danger) 7%, var(--surface));
}

.notice.support-ok {
  border-color: color-mix(in srgb, var(--accent-green) 24%, var(--hairline));
  background: color-mix(in srgb, var(--accent-green) 7%, var(--surface));
}

.support-permission {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.support-permission p {
  margin-bottom: 4px;
}

.support-permission p:last-child {
  margin-bottom: 0;
}

.support-permission .button-primary {
  min-height: 42px;
  padding: 9px 14px;
  white-space: nowrap;
}

.game-area {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 50% 76%, color-mix(in srgb, var(--primary) 9%, transparent), transparent 28%),
    linear-gradient(180deg, color-mix(in srgb, var(--accent-sky) 15%, var(--surface)), var(--surface));
}

.game-hud {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-top: -4px;
}

.game-hud-item {
  display: grid;
  justify-items: center;
  gap: 1px;
  border: 1px solid color-mix(in srgb, var(--ink) 10%, var(--hairline));
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  padding: 5px 8px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
}

.game-hud-item span {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--ink-muted);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.1;
}

.game-hud-item img {
  width: 14px;
  height: 14px;
  image-rendering: pixelated;
  object-fit: contain;
}

.game-hud-item strong {
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
  line-height: 1.05;
}

.falling-word {
  position: absolute;
  transform: translate(-50%, -50%);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-full);
  background: var(--surface);
  padding: 6px 10px;
  box-shadow: var(--shadow-soft);
  font-weight: 700;
  z-index: 3;
  transition: transform 180ms ease, opacity 180ms ease;
}

.falling-word.is-targeted {
  transform: translate(-50%, -50%) scale(1.08);
  border-color: color-mix(in srgb, var(--primary) 52%, var(--hairline));
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--primary) 14%, transparent), var(--shadow-soft);
}

.game-floor {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 48px;
  border-top: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--canvas-soft) 80%, transparent);
  z-index: 2;
}

.game-cannon {
  position: absolute;
  left: 50%;
  bottom: 16px;
  width: 118px;
  height: 82px;
  transform: translateX(-50%);
  z-index: 4;
  pointer-events: none;
}

.game-cannon.is-firing {
  animation: cannonRecoil 240ms ease-out both;
}

.game-cannon-barrel {
  position: absolute;
  left: 50%;
  bottom: 38px;
  width: 72px;
  height: 24px;
  border: 1px solid color-mix(in srgb, var(--ink) 14%, var(--hairline));
  border-radius: 16px 22px 22px 16px;
  background:
    radial-gradient(circle at 86% 50%, #12171d 0 6px, transparent 7px),
    linear-gradient(180deg, #717c86, #2b3239);
  box-shadow: inset 0 5px 0 color-mix(in srgb, #fff 18%, transparent), var(--shadow-soft);
  transform: translateX(-50%) rotate(-18deg);
  transform-origin: 24px 50%;
}

.game-cannon-barrel::after {
  content: "";
  position: absolute;
  right: -15px;
  top: 50%;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--primary) 45%, #fff);
  box-shadow: 0 0 18px color-mix(in srgb, var(--primary) 60%, transparent);
  opacity: 0;
  transform: translateY(-50%) scale(0.5);
}

.game-cannon.is-firing .game-cannon-barrel::after {
  animation: cannonFlash 240ms ease-out both;
}

.game-cannon-base {
  position: absolute;
  left: 50%;
  bottom: 14px;
  width: 96px;
  height: 34px;
  border: 1px solid color-mix(in srgb, var(--ink) 14%, var(--hairline));
  border-radius: 28px 28px 16px 16px;
  background:
    radial-gradient(circle at 22px 28px, #1f252b 0 10px, #6b7680 11px 16px, transparent 17px),
    radial-gradient(circle at 74px 28px, #1f252b 0 10px, #6b7680 11px 16px, transparent 17px),
    linear-gradient(180deg, #606b75, #293039);
  box-shadow: var(--shadow-soft);
  transform: translateX(-50%);
}

.game-projectile {
  position: absolute;
  left: var(--from-x);
  top: var(--from-y);
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background:
    radial-gradient(circle at 34% 30%, color-mix(in srgb, #fff 58%, var(--primary)) 0 22%, transparent 24%),
    radial-gradient(circle at 50% 50%, var(--primary), color-mix(in srgb, var(--primary) 70%, #143a66));
  box-shadow: 0 0 18px color-mix(in srgb, var(--primary) 54%, transparent);
  transform: translate(-50%, -50%);
  z-index: 5;
  pointer-events: none;
  animation: gameProjectile 240ms cubic-bezier(0.18, 0.78, 0.18, 1) both;
}

.game-hit-ring {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 3px solid var(--primary);
  border-radius: var(--radius-full);
  transform: translate(-50%, -50%);
  z-index: 5;
  pointer-events: none;
  animation: gameHitRing 240ms ease-out both;
}

.game-result-effect {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.game-result-effect[hidden] {
  display: none;
}

.game-result-effect-card {
  position: relative;
  min-width: 172px;
  display: grid;
  justify-items: center;
  gap: 4px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--primary) 32%, var(--hairline));
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  padding: 16px 18px;
  box-shadow: var(--shadow-soft);
  text-align: center;
  animation: gameResultPop 520ms cubic-bezier(0.18, 0.82, 0.24, 1) both;
  backdrop-filter: blur(10px);
}

.game-result-effect.is-over .game-result-effect-card {
  border-color: color-mix(in srgb, var(--danger) 36%, var(--hairline));
}

.game-result-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--primary) 14%, var(--surface));
  color: var(--primary);
  font-weight: 900;
}

.game-result-effect.is-over .game-result-icon {
  background: color-mix(in srgb, var(--danger) 12%, var(--surface));
  color: var(--danger);
}

.game-result-effect strong {
  color: var(--ink);
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.game-result-effect small {
  color: var(--ink-muted);
  font-size: 13px;
  font-weight: 800;
}

.game-result-effect i {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent-green);
  opacity: 0;
  transform: translate(-50%, -50%);
  animation: gameResultSpark 820ms ease-out both;
}

.game-result-effect.is-over i {
  background: var(--danger);
}

.game-result-effect i:nth-child(4) { --spark-x: -78px; --spark-y: -34px; animation-delay: 40ms; }
.game-result-effect i:nth-child(5) { --spark-x: 74px; --spark-y: -28px; animation-delay: 80ms; }
.game-result-effect i:nth-child(6) { --spark-x: -62px; --spark-y: 42px; animation-delay: 120ms; }
.game-result-effect i:nth-child(7) { --spark-x: 66px; --spark-y: 38px; animation-delay: 160ms; }
.game-result-effect i:nth-child(8) { --spark-x: 0; --spark-y: -60px; animation-delay: 200ms; }

.game-voice-feedback {
  position: absolute;
  right: 14px;
  bottom: 72px;
  width: min(152px, calc(100% - 188px));
  min-width: 132px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 6px 8px;
  border: 1px solid color-mix(in srgb, var(--primary) 28%, var(--hairline));
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  padding: 8px 9px;
  box-shadow: var(--shadow-soft);
  z-index: 6;
  pointer-events: none;
  backdrop-filter: blur(10px);
}

.game-voice-feedback[hidden] {
  display: none;
}

.game-voice-feedback strong {
  color: var(--ink);
  font-size: 12px;
  line-height: 1.15;
}

.game-voice-feedback > span {
  grid-column: 1 / -1;
  color: var(--ink-secondary);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.25;
  word-break: keep-all;
}

.game-voice-mic {
  position: relative;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
  color: var(--primary);
}

.game-voice-mic span {
  position: relative;
  width: 9px;
  height: 14px;
  border: 2px solid currentColor;
  border-radius: 10px;
}

.game-voice-mic span::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 12px;
  height: 7px;
  border-bottom: 2px solid currentColor;
  border-radius: 0 0 12px 12px;
  transform: translateX(-50%);
}

.game-voice-mic i {
  position: absolute;
  inset: 3px;
  border: 2px solid currentColor;
  border-radius: var(--radius-full);
  opacity: 0;
  animation: voicePulse 1.2s ease-out infinite;
}

.game-voice-mic i:last-child {
  animation-delay: 0.35s;
}

@keyframes gameProjectile {
  from {
    left: var(--from-x);
    top: var(--from-y);
    opacity: 1;
    transform: translate(-50%, -50%) scale(0.68);
  }
  to {
    left: var(--to-x);
    top: var(--to-y);
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

@keyframes cannonRecoil {
  0% {
    transform: translateX(-50%) translateY(0);
  }
  24% {
    transform: translateX(-50%) translateY(4px) scale(0.98);
  }
  100% {
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes cannonFlash {
  0% {
    opacity: 0;
    transform: translateY(-50%) scale(0.3);
  }
  12% {
    opacity: 0.9;
    transform: translateY(-50%) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-50%) scale(1.45);
  }
}

@keyframes gameHitRing {
  from {
    opacity: 0.9;
    transform: translate(-50%, -50%) scale(0.45);
  }
  to {
    opacity: 0;
    transform: translate(-50%, -50%) scale(2.1);
  }
}

@keyframes gameResultPop {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.86);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes gameResultSpark {
  0% {
    opacity: 0.95;
    transform: translate(-50%, -50%) scale(0.6);
  }

  100% {
    opacity: 0;
    transform: translate(calc(-50% + var(--spark-x)), calc(-50% + var(--spark-y))) scale(1.2);
  }
}

@keyframes voicePulse {
  from {
    opacity: 0.48;
    transform: scale(0.76);
  }
  to {
    opacity: 0;
    transform: scale(1.45);
  }
}

.app-learning-body {
  --primary: #159735;
  --primary-active: #0f7d2a;
  --canvas-soft: #fbfcfb;
  --surface: #ffffff;
  --ink: #17191c;
  --ink-secondary: #2f3438;
  --ink-muted: #687078;
  --hairline: #e3e7e1;
  background:
    radial-gradient(circle at 50% 0, rgba(32, 160, 68, 0.08), transparent 34%),
    var(--canvas-soft);
}

.app-learning-body .app-header {
  background: color-mix(in srgb, var(--canvas-soft) 88%, transparent);
  border-bottom: 0;
}

.app-learning-body .app-header-inner,
.app-learning-body .app-main {
  width: calc(100vw - 32px);
  max-width: 430px;
}

.app-learning-body .app-header-inner {
  min-height: 82px;
}

.app-learning-body .brand {
  color: var(--ink);
  font-size: inherit;
  line-height: inherit;
  letter-spacing: -0.25px;
  text-shadow: none;
}

.app-learning-body .brand-mark {
  display: grid;
}

.app-header-status {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.streak-pill {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--ink-secondary);
  box-shadow: var(--shadow-soft);
  font-weight: 800;
}

.streak-pill::before {
  content: "";
  width: 15px;
  height: 20px;
  display: inline-block;
  border-radius: 12px 12px 12px 2px;
  background: linear-gradient(180deg, #ff9f1c, #ff3d00);
  transform: rotate(16deg);
}

.app-learning-body .app-main {
  padding: 8px 0 112px;
}

.review-summary-card,
.growth-summary-card {
  border: 1px solid color-mix(in srgb, var(--primary) 16%, var(--hairline));
  border-radius: 20px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 7%, var(--surface)), var(--surface));
  box-shadow: var(--shadow-soft);
}

.mini-progress,
.segmented-progress {
  height: 14px;
  border: 2px solid var(--hairline);
  border-radius: var(--radius-full);
  background: #f4f5f3;
  overflow: hidden;
}

.mini-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #8bdc22, var(--primary));
  transition: width 220ms ease;
}

.learning-mascot {
  width: 72px;
  height: 72px;
  object-fit: contain;
  image-rendering: pixelated;
}

.learning-path {
  position: relative;
  display: grid;
  gap: 26px;
  margin-top: 18px;
}

.learning-path::before {
  display: none;
}

.stage-group {
  position: relative;
  display: grid;
  gap: 12px;
}

.stage-heading {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
}

.stage-heading > span:last-child {
  min-width: 0;
}

.stage-heading strong,
.stage-heading small {
  display: block;
}

.stage-heading strong {
  color: var(--ink);
  font-size: 17px;
  font-weight: 900;
}

.stage-heading small {
  margin-top: 3px;
  color: var(--ink-muted);
  font-size: 13px;
}

.stage-badge {
  width: 40px;
  height: 40px;
  margin: 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  background: var(--surface);
  color: var(--primary);
  box-shadow: var(--shadow-soft);
  font-weight: 900;
}

.stage-group.completed .stage-badge {
  background: color-mix(in srgb, var(--primary) 10%, var(--surface));
}

.stage-group.locked .stage-heading {
  opacity: 0.62;
}

.stage-nodes {
  position: relative;
  display: grid;
  gap: 16px;
}

.stage-nodes::before {
  content: "";
  position: absolute;
  top: 30px;
  bottom: 30px;
  left: 51px;
  width: 12px;
  border-radius: var(--radius-full);
  background: #d8d8d8;
  opacity: 0.86;
}

.stage-group.current .stage-nodes::before {
  background: linear-gradient(180deg, var(--primary), #93d879 58%, #d8d8d8 58%);
}

.stage-group.completed .stage-nodes::before {
  background: linear-gradient(180deg, var(--primary), #78d15c);
}

.learning-node {
  position: relative;
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
}

.path-marker {
  position: relative;
  z-index: 1;
  width: 68px;
  height: 68px;
  margin: 0 auto;
  display: grid;
  place-items: center;
  border: 5px solid #dcdedc;
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--ink-muted);
  box-shadow: var(--shadow-soft);
  font-size: 28px;
  font-weight: 900;
}

.learning-node.completed .path-marker {
  border-color: #1c8f35;
  background: linear-gradient(180deg, #59c84c, #1f9a34);
  color: #ffffff;
}

.learning-node.active .path-marker,
.learning-node.review-available .path-marker {
  border-color: var(--primary);
  color: var(--primary);
}

.learning-node.bonus .path-marker {
  border-color: #d9d9d9;
  background: #f7f7f7;
  color: #333333;
  font-size: 24px;
}

.learning-node.game.active .path-marker,
.learning-node.review.active .path-marker {
  background: color-mix(in srgb, var(--primary) 8%, var(--surface));
}

.learning-node.locked .path-marker {
  background: #f7f7f7;
  color: #888888;
}

.learning-node-card {
  width: 100%;
  max-width: 292px;
  min-height: 76px;
  border: 1px solid var(--hairline);
  border-radius: 20px;
  background: var(--surface);
  color: var(--ink);
  padding: 14px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  box-shadow: var(--shadow-soft);
  min-width: 0;
  overflow: hidden;
}

.learning-node-card > span:first-child {
  min-width: 0;
}

.learning-node-card strong {
  display: block;
  margin-bottom: 4px;
  font-size: 18px;
  letter-spacing: -0.25px;
}

.learning-node-card small {
  display: block;
  color: var(--ink-muted);
  font-size: 13px;
}

.learning-node.active .learning-node-card {
  border: 2px solid var(--primary);
  background: color-mix(in srgb, var(--primary) 5%, var(--surface));
}

.learning-node.completed .learning-node-card {
  background: color-mix(in srgb, var(--primary) 3%, var(--surface));
}

.learning-node.locked .learning-node-card {
  background: color-mix(in srgb, #f2f2f2 80%, var(--surface));
  color: var(--ink-muted);
}

.node-action,
.bonus-badge,
.locked-note {
  flex: 0 0 auto;
  border-radius: 15px;
  padding: 8px 10px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 800;
  white-space: nowrap;
}

.learning-node.completed .node-action,
.learning-node.locked .node-action,
.locked-note {
  background: #f2f3f2;
  color: var(--ink-muted);
}

html.dark .stage-nodes::before,
body.dark .stage-nodes::before {
  background: #2f3a33;
  opacity: 1;
}

html.dark .stage-group.current .stage-nodes::before,
body.dark .stage-group.current .stage-nodes::before {
  background: linear-gradient(180deg, var(--primary), #73ba7b 58%, #2f3a33 58%);
}

html.dark .learning-node.locked .path-marker,
body.dark .learning-node.locked .path-marker {
  border-color: #3f484f;
  background: #20252a;
  color: #b8b1a8;
}

html.dark .learning-node.locked .learning-node-card,
body.dark .learning-node.locked .learning-node-card {
  border-color: #3f484f;
  background: color-mix(in srgb, var(--surface) 88%, #0b0d10);
  color: var(--ink-secondary);
  opacity: 1;
}

html.dark .learning-node.locked .learning-node-card small,
body.dark .learning-node.locked .learning-node-card small {
  color: var(--ink-muted);
}

html.dark .learning-node.completed .node-action,
html.dark .learning-node.locked .node-action,
html.dark .locked-note,
body.dark .learning-node.completed .node-action,
body.dark .learning-node.locked .node-action,
body.dark .locked-note {
  border: 1px solid #46505a;
  background: #2b3137;
  color: #d2ccc4;
}

.review-summary-icon,
.recommend-icon {
  width: 46px;
  height: 46px;
  display: inline-grid;
  place-items: center;
  border-radius: 14px;
  background: color-mix(in srgb, var(--primary) 14%, var(--surface));
  color: var(--primary);
  font-weight: 900;
}

.recommend-card small {
  display: block;
  color: var(--ink-muted);
}

.lesson-preview,
.bonus-game-panel,
.roleplay-panel,
.advanced-script-panel {
  margin-top: 24px;
  display: grid;
  gap: 16px;
}

.lesson-screen {
  width: min(430px, calc(100vw - 32px));
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 0 calc(28px + env(safe-area-inset-bottom));
}

.lesson-screen[hidden] {
  display: none;
}

.app-learning-body.lesson-active {
  overflow-x: hidden;
}

.app-learning-body.lesson-active .app-header,
.app-learning-body.lesson-active .app-main,
.app-learning-body.lesson-active .bottom-tabs {
  display: none;
}

.lesson-screen-content {
  min-height: calc(100dvh - max(18px, env(safe-area-inset-top)) - 28px - env(safe-area-inset-bottom));
  margin-top: 0;
  align-content: start;
}

.lesson-preview[hidden],
.bonus-game-panel[hidden],
.roleplay-panel[hidden],
.advanced-script-panel[hidden] {
  display: none;
}

.lesson-topline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  color: var(--ink-secondary);
  font-weight: 800;
}

.lesson-screen-title {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.lesson-screen-title small {
  color: var(--ink-muted);
  font-size: 13px;
  font-weight: 700;
}

.lesson-close-button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--ink-secondary);
  box-shadow: var(--shadow-soft);
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}

.lesson-back-button {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: var(--radius-full);
  background: #f1f3f1;
  color: var(--ink-secondary);
  font-size: 26px;
}

.segmented-progress {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  border: 0;
  background: transparent;
}

.segmented-progress span {
  border-radius: var(--radius-full);
  background: #e8e8e8;
}

.segmented-progress .filled {
  background: linear-gradient(90deg, #8bdc22, var(--primary));
}

.lesson-card,
.lesson-speak-card {
  border: 1px solid var(--hairline);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  padding: 24px;
  text-align: center;
}

.lesson-card {
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 7%, var(--surface)), var(--surface));
}

.lesson-card img {
  width: 54px;
  height: 54px;
  image-rendering: pixelated;
}

.lesson-kicker {
  color: var(--primary);
  font-weight: 800;
}

.lesson-card h2 {
  font-size: 28px;
  letter-spacing: -0.75px;
}

.lesson-speak-card {
  display: grid;
  justify-items: center;
  gap: 12px;
  position: relative;
  overflow: hidden;
}

.lesson-speak-card::before,
.lesson-speak-card::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 76px;
  height: 52px;
  opacity: 0.22;
  transform: translateY(-50%);
  background:
    linear-gradient(90deg, transparent 0 8px, var(--primary) 8px 16px, transparent 16px 24px, var(--primary) 24px 32px, transparent 32px 40px, var(--primary) 40px 48px, transparent 48px);
  border-radius: var(--radius-full);
}

.lesson-speak-card::before {
  left: 22px;
}

.lesson-speak-card::after {
  right: 22px;
  transform: translateY(-50%) scaleX(-1);
}

.big-mic-button {
  width: 112px;
  height: 112px;
  border: 2px solid var(--primary);
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--primary);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-soft);
  position: relative;
  z-index: 1;
}

.big-mic-button:disabled {
  opacity: 0.72;
  cursor: wait;
}

.big-mic-button svg {
  width: 56px;
  height: 56px;
}

.lesson-listen-button {
  background: var(--surface);
  color: var(--ink-secondary);
  border-color: var(--hairline);
  box-shadow: var(--shadow-soft);
}

.lesson-result-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  padding: 18px;
  display: grid;
  gap: 14px;
}

.lesson-stamp {
  position: absolute;
  right: 18px;
  top: 18px;
  width: 92px;
  height: 92px;
  display: grid;
  place-items: center;
  border: 4px solid #159735;
  border-radius: var(--radius-full);
  color: #159735;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.1;
  text-align: center;
  transform: rotate(-10deg) scale(0.86);
  opacity: 0;
  box-shadow: inset 0 0 0 3px color-mix(in srgb, #159735 18%, transparent);
  animation: stamp-pop 520ms cubic-bezier(0.18, 0.82, 0.24, 1) 120ms forwards;
}

.lesson-result-card[hidden],
.lesson-review-card[hidden],
.lesson-actions[hidden] {
  display: none;
}

.lesson-result-header {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 8px;
}

.lesson-result-card.has-perfect-stamp .lesson-result-header {
  min-height: 72px;
  padding-right: 104px;
}

.lesson-result-header strong {
  color: var(--primary);
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.75px;
}

.lesson-result-header small {
  font-size: 16px;
}

.comparison-table {
  border: 1px solid var(--hairline);
  border-radius: 18px;
  overflow: hidden;
}

.comparison-row {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 12px;
  padding: 14px;
  align-items: start;
}

.comparison-row + .comparison-row {
  border-top: 1px solid var(--hairline);
}

.comparison-row > span {
  color: var(--ink-muted);
  font-weight: 700;
}

.comparison-row p {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
}

.highlight-missing {
  color: var(--primary);
  background: transparent;
  border-bottom: 2px dashed color-mix(in srgb, var(--primary) 58%, transparent);
}

.highlight-extra {
  border-radius: 7px;
  background: #fff1a8;
  color: #6b5800;
  padding: 1px 4px;
}

.lesson-feedback,
.lesson-hint,
.lesson-progress-note {
  margin: 0;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 12px;
  background: color-mix(in srgb, var(--canvas-soft) 76%, var(--surface));
}

.lesson-feedback {
  color: var(--ink-secondary);
  font-weight: 700;
}

.lesson-hint {
  color: var(--ink-muted);
}

.lesson-progress-note {
  color: var(--ink-secondary);
  font-size: 14px;
}

.lesson-review-card {
  border: 1px solid color-mix(in srgb, var(--primary) 18%, var(--hairline));
  border-radius: 20px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 7%, var(--surface)), var(--surface));
  box-shadow: var(--shadow-soft);
  padding: 16px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: center;
}

.review-card-mini-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--primary) 14%, var(--surface));
  color: var(--primary);
  font-weight: 900;
}

.lesson-review-card p {
  margin: 6px 0 0;
}

.inline-review-expression {
  display: inline-flex;
  margin: 0 6px 6px 0;
  padding: 4px 8px;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 1px solid var(--hairline);
  color: var(--ink-secondary);
  font-weight: 700;
}

.lesson-review-tip {
  display: block;
  margin-top: 4px;
  color: var(--ink-muted);
  font-weight: 700;
  line-height: 1.45;
}

.stage-complete-card {
  min-height: min(560px, calc(100vh - 210px));
  border: 1px solid color-mix(in srgb, var(--primary) 16%, var(--hairline));
  border-radius: 24px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 6%, var(--surface)), var(--surface));
  box-shadow: var(--shadow-soft);
  padding: clamp(28px, 6vw, 56px) 24px;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 14px;
  text-align: center;
}

.stage-complete-card img {
  width: min(220px, 54vw);
  height: auto;
  object-fit: contain;
  image-rendering: pixelated;
}

.stage-complete-card h2 {
  margin: 0;
  font-size: clamp(34px, 8vw, 56px);
  line-height: 1.02;
  letter-spacing: -1.25px;
}

.stage-complete-card p {
  max-width: 520px;
  margin: 0;
  color: var(--ink-muted);
  font-size: 17px;
  line-height: 1.55;
  font-weight: 700;
}

.lesson-actions {
  position: sticky;
  bottom: 86px;
  z-index: 4;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
  gap: 12px;
  padding: 10px 0 0;
  background: linear-gradient(180deg, transparent, var(--canvas-soft) 34%);
}

.lesson-actions[data-mode="next-only"],
.lesson-actions[data-mode="retry-only"] {
  grid-template-columns: 1fr;
}

.lesson-active .lesson-actions {
  bottom: max(16px, env(safe-area-inset-bottom));
  background: linear-gradient(180deg, transparent, var(--canvas-soft) 34%);
}

.lesson-actions .button-primary,
.lesson-actions .button-secondary {
  min-height: 56px;
  font-size: 18px;
  font-weight: 900;
}

.lesson-actions button[hidden] {
  display: none;
}

.roleplay-panel {
  grid-template-rows: auto auto minmax(220px, 1fr) auto auto auto;
}

.roleplay-stage {
  position: relative;
  min-height: 268px;
  border: 1px solid var(--hairline);
  border-radius: 24px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--primary) 6%, var(--surface)), var(--surface) 58%),
    var(--surface);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.roleplay-stage::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 64px;
  background: color-mix(in srgb, var(--canvas-soft) 78%, var(--surface));
  border-top: 1px solid var(--hairline);
}

.roleplay-character {
  position: absolute;
  bottom: 22px;
  display: grid;
  justify-items: center;
  gap: 8px;
  color: var(--ink-secondary);
  font-weight: 900;
  transition: transform 180ms ease, opacity 180ms ease;
}

.roleplay-character.player {
  left: 22px;
}

.roleplay-character.partner {
  right: 22px;
}

.roleplay-character:not(.active) {
  opacity: 0.58;
  transform: translateY(8px) scale(0.94);
}

.roleplay-portrait {
  width: clamp(118px, 34vw, 150px);
  aspect-ratio: 1;
  border: 2px solid var(--hairline);
  border-radius: 32px;
  background: color-mix(in srgb, var(--canvas-soft) 64%, var(--surface));
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.roleplay-character.active .roleplay-portrait {
  border-color: color-mix(in srgb, var(--primary) 68%, var(--hairline));
  box-shadow:
    0 0 0 6px color-mix(in srgb, var(--primary) 14%, transparent),
    0 16px 38px color-mix(in srgb, var(--primary) 18%, transparent);
}

.roleplay-portrait img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
  image-rendering: auto;
}

.roleplay-dialogue-box,
.roleplay-prompt-card {
  border: 1px solid var(--hairline);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  padding: 18px;
}

.roleplay-dialogue-box.can-advance {
  cursor: default;
}

.roleplay-dialogue-box p,
.roleplay-prompt-card p {
  margin: 8px 0 0;
  color: var(--ink);
  font-size: 22px;
  font-weight: 850;
  line-height: 1.45;
}

.roleplay-prompt-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  text-align: left;
  border-radius: 18px;
  border-color: color-mix(in srgb, var(--primary) 22%, var(--hairline));
  background: color-mix(in srgb, var(--primary) 5%, var(--surface));
  padding: 12px;
}

.roleplay-prompt-card[hidden] {
  display: none;
}

.roleplay-prompt-card .record-button {
  min-height: 56px;
  width: 100%;
  font-weight: 900;
}

.roleplay-prompt-card p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.45;
  font-weight: 700;
}

.roleplay-prompt-card p:empty {
  display: none;
}

.roleplay-prompt-card .record-button:disabled {
  opacity: 0.68;
  cursor: wait;
}

.roleplay-message {
  min-height: 22px;
  text-align: center;
  font-weight: 700;
}

.advanced-script-panel {
  grid-template-rows: auto minmax(180px, 34vh) auto auto auto auto;
}

.advanced-script-hero {
  min-height: 180px;
  margin: 0;
  border: 1px solid var(--hairline);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.advanced-script-hero img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.advanced-script-card,
.advanced-script-speak-card,
.advanced-script-result {
  border: 1px solid var(--hairline);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.advanced-script-card {
  padding: 20px;
  display: grid;
  gap: 10px;
}

.advanced-script-card p {
  margin: 0;
  color: var(--ink);
  font-size: 21px;
  font-weight: 850;
  line-height: 1.48;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.advanced-script-speak-card {
  padding: 18px;
  display: grid;
  justify-items: center;
  gap: 10px;
  text-align: center;
}

.advanced-script-speak-card .big-mic-button {
  width: 92px;
  height: 92px;
}

.advanced-script-speak-card .big-mic-button svg {
  width: 46px;
  height: 46px;
}

.advanced-script-speak-card strong {
  font-size: 17px;
}

.advanced-script-speak-card p {
  min-height: 20px;
  margin: 0;
}

.advanced-script-result {
  padding: 16px;
  display: grid;
  gap: 10px;
}

.advanced-script-result[hidden] {
  display: none;
}

.advanced-script-result > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.advanced-script-result strong {
  color: var(--primary);
  font-size: 32px;
  line-height: 1;
}

.advanced-script-result small {
  font-size: 15px;
}

.advanced-script-result p {
  margin: 0;
  line-height: 1.45;
}

.review-summary-card,
.growth-summary-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 20px;
  margin-bottom: 28px;
}

.review-summary-card > div,
.growth-summary-card > div {
  min-width: 0;
}

.review-summary-card .mini-progress {
  width: 100%;
  min-width: 0;
}

.review-summary-card strong,
.growth-summary-card strong {
  display: block;
  color: #0f6f2a;
  font-size: 30px;
  line-height: 1.05;
}

.review-ratio {
  color: var(--ink-muted);
  font-weight: 800;
}

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 26px 0 12px;
  min-width: 0;
}

.section-title-row h2 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.5px;
}

.app-learning-body #tab-review .review-list {
  width: 100%;
  max-width: 360px;
  margin-right: auto;
  margin-left: 0;
}

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

.review-card,
.recommend-card {
  border: 1px solid var(--hairline);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.review-card {
  min-height: 92px;
  padding: 16px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
}

.review-card.completed-today {
  border-color: color-mix(in srgb, var(--primary) 35%, var(--hairline));
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 6%, var(--surface)), var(--surface));
}

.review-card.disabled {
  background: color-mix(in srgb, #f4f5f4 74%, var(--surface));
}

.review-card.disabled .review-card-content {
  opacity: 0.72;
}

html.dark .review-card.disabled,
body.dark .review-card.disabled {
  border-color: #3f484f;
  background: color-mix(in srgb, var(--surface) 88%, #0b0d10);
}

html.dark .review-card.disabled .review-card-content,
body.dark .review-card.disabled .review-card-content {
  opacity: 1;
}

html.dark .review-card.disabled h3,
body.dark .review-card.disabled h3 {
  color: var(--ink-secondary);
}

html.dark .review-card.disabled .muted,
body.dark .review-card.disabled .muted {
  color: var(--ink-muted);
}

html.dark .review-card.disabled .review-start-button:disabled,
body.dark .review-card.disabled .review-start-button:disabled {
  border: 1px solid #4b5660;
  background: #2f3942;
  color: #cfd8df;
  opacity: 1;
}

html.dark .review-card.disabled .review-tag,
body.dark .review-card.disabled .review-tag {
  background: #3d3a32;
  color: #e0b47d;
}

html.dark .review-card.disabled .review-tag.neutral,
body.dark .review-card.disabled .review-tag.neutral {
  background: color-mix(in srgb, var(--primary) 18%, var(--surface));
  color: #b9dcf4;
}

.review-card-content {
  min-width: 0;
}

.review-card h3 {
  margin-bottom: 5px;
  font-size: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-wrap: anywhere;
}

.review-card h3:last-child {
  margin-bottom: 0;
}

.review-count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 24px;
  padding: 0 8px;
  border-radius: var(--radius-full);
  background: #fee2e2;
  color: #b42318;
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.review-card-meta {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.review-card-meta .muted {
  overflow-wrap: anywhere;
}

.review-card-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  font-weight: 900;
}

.review-card-icon.warm {
  background: #fff3d9;
  color: #b26b00;
}

.review-card-icon.blue {
  background: #dbeafe;
  color: #1d64c8;
}

.review-card-icon.purple {
  background: #ede9fe;
  color: #7653c9;
}

.review-tag {
  display: inline-flex;
  padding: 3px 7px;
  border-radius: 8px;
  background: color-mix(in srgb, #ffefc2 72%, var(--surface));
  color: #b45309;
  font-weight: 800;
}

.review-tag.high {
  background: #fee2e2;
  color: #b42318;
}

.review-tag.neutral {
  background: color-mix(in srgb, var(--primary) 9%, var(--surface));
  color: var(--primary);
}

.review-tag.done {
  background: color-mix(in srgb, var(--primary) 14%, var(--surface));
  color: #0f6f2a;
}

.review-start-button {
  min-width: 86px;
  padding-right: 14px;
  padding-left: 14px;
}

.review-empty-card {
  border: 1px solid var(--hairline);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  padding: 20px;
}

.review-empty-card strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
}

.review-empty-card p {
  margin: 6px 0 0;
  color: var(--ink-muted);
}

.recommend-card {
  width: 100%;
  min-height: 76px;
  padding: 14px 18px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  text-align: left;
  color: var(--ink);
}

.growth-summary-card {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 16px;
}

.growth-summary-card p {
  margin: 4px 0 0;
  color: var(--ink-muted);
}

.compact-stats {
  grid-template-columns: repeat(3, 1fr);
}

.panel-heading.compact h2 {
  margin-bottom: 4px;
}

.bonus-game-actions {
  padding: 0;
}

.lesson-screen .bonus-game-panel {
  margin-top: 0;
}

.lesson-screen .bonus-game-panel .game-topline {
  min-height: 44px;
  justify-items: end;
}

.lesson-screen .bonus-game-panel .panel-heading.compact {
  align-items: end;
}

.lesson-screen .game-area {
  min-height: clamp(300px, 44dvh, 420px);
}

.lesson-screen .bonus-game-actions {
  display: grid;
  gap: 10px;
}

.lesson-screen .bonus-game-actions .record-button {
  width: 100%;
}

.app-learning-body .bottom-tabs {
  left: 50%;
  right: auto;
  width: 100vw;
  max-width: 360px;
  box-sizing: border-box;
  transform: translateX(-50%);
  border: 1px solid var(--hairline);
  border-bottom: 0;
  border-radius: 24px 24px 0 0;
  box-shadow: 0 -10px 28px rgba(0, 0, 0, 0.08);
}

.app-learning-body .bottom-tab-list {
  width: 100%;
}

.app-learning-body .bottom-tab.active {
  background: transparent;
  color: var(--primary);
}

.app-learning-body .bottom-tab {
  min-width: 0;
  overflow: hidden;
  font-size: 11px;
}

.app-learning-body .bottom-tab span:not(.icon) {
  max-width: 100%;
  overflow: hidden;
  text-overflow: clip;
  white-space: nowrap;
}

.app-learning-body .script-layout,
.app-learning-body .settings-grid,
.app-learning-body .records-grid {
  grid-template-columns: 1fr;
}

@media (max-width: 519px) {
  .support-permission {
    grid-template-columns: 1fr;
  }

  .support-permission .button-primary {
    width: 100%;
  }

  .app-learning-body .app-header-inner,
  .app-learning-body .app-main {
    width: min(360px, calc(100vw - 32px));
    margin-right: auto;
    margin-left: clamp(16px, calc((100vw - 360px) / 2), 35px);
  }

  .app-learning-body .bottom-tabs {
    left: 4px;
    right: 4px;
    width: auto;
    max-width: none;
    transform: none;
    border-radius: 20px 20px 0 0;
    padding-right: max(0px, env(safe-area-inset-right));
    padding-left: max(0px, env(safe-area-inset-left));
  }

  .app-learning-body .bottom-tab-list {
    gap: 0;
  }

  .app-learning-body .bottom-tab {
    font-size: 10px;
  }

  .app-learning-body .bottom-tab .icon {
    font-size: 17px;
  }

  .review-summary-card {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 14px;
  }

  .review-summary-card > div:nth-child(3) {
    grid-column: 2;
    grid-row: 2;
  }

  .review-ratio {
    grid-column: 3;
    grid-row: 2;
    justify-self: end;
  }

  .section-title-row .button-utility {
    min-width: 0;
    padding-right: 10px;
    padding-left: 10px;
    font-size: 13px;
  }

  .review-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .review-start-button {
    grid-column: 2;
    width: 100%;
    min-height: 46px;
  }

  .recommend-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .recommend-card > .muted {
    grid-column: 2;
  }
}

.audio-player {
  width: 100%;
  min-width: 0;
}

.floating-start-button {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 60;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
  box-shadow: var(--shadow-elevated);
  transition: transform 120ms ease, background 120ms ease;
}

.floating-start-button img {
  width: 26px;
  height: 26px;
  image-rendering: pixelated;
}

.floating-start-button:active {
  background: var(--primary-active);
  transform: scale(0.96);
}

.icon-button {
  width: 36px;
  height: 36px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--ink);
  display: inline-grid;
  place-items: center;
  padding: 0;
  font-size: 24px;
  line-height: 1;
  box-shadow: var(--shadow-soft);
  transition: transform 120ms ease, background 120ms ease;
}

.icon-button:active {
  transform: scale(0.92);
}

.icon-button-danger {
  border-color: color-mix(in srgb, var(--danger) 32%, var(--hairline));
  color: var(--danger);
}

.icon-button-danger:active {
  background: color-mix(in srgb, var(--danger) 10%, var(--surface));
}

.voice-feedback {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: color-mix(in srgb, var(--canvas-soft) 74%, transparent);
  backdrop-filter: blur(18px);
}

.voice-feedback[hidden] {
  display: none;
}

.voice-feedback-card,
.result-feedback-card {
  position: relative;
  width: min(520px, 100%);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  background: var(--surface);
  padding: var(--space-xxl);
  box-shadow: var(--shadow-elevated);
  display: grid;
  gap: var(--space-md);
  justify-items: center;
  text-align: center;
}

.voice-feedback-card .icon-button,
.result-feedback-card .icon-button {
  position: absolute;
  top: 14px;
  right: 14px;
}

.voice-orb {
  width: 140px;
  height: 140px;
  position: relative;
  display: grid;
  place-items: center;
  color: #ffffff;
}

.voice-orb::before {
  content: "";
  position: absolute;
  inset: 30px;
  border-radius: var(--radius-full);
  background: var(--primary);
  box-shadow: var(--shadow-soft);
}

.voice-wave {
  position: absolute;
  inset: 20px;
  border: 2px solid color-mix(in srgb, var(--primary) 42%, transparent);
  border-radius: var(--radius-full);
  animation: voice-pulse 1.8s ease-out infinite;
}

.voice-feedback.is-hearing .voice-orb::before {
  background: var(--accent-green);
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--accent-green) 12%, transparent), var(--shadow-soft);
}

.voice-feedback.is-hearing .voice-wave {
  border-color: color-mix(in srgb, var(--accent-green) 72%, transparent);
  border-width: 3px;
  animation-name: voice-react;
  animation-duration: 720ms;
}

.voice-feedback.is-hearing .wave-two {
  animation-delay: 90ms;
}

.voice-feedback.is-hearing .wave-three {
  animation-delay: 180ms;
}

.wave-two {
  animation-delay: 0.45s;
}

.wave-three {
  animation-delay: 0.9s;
}

.voice-mic {
  position: relative;
  z-index: 1;
  width: 52px;
  height: 52px;
}

.voice-prompt,
.voice-transcript {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  background: color-mix(in srgb, var(--canvas-soft) 74%, var(--surface));
  text-align: left;
}

.voice-prompt p,
.voice-transcript p {
  margin: 6px 0 0;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: -0.125px;
  font-weight: 600;
}

.voice-transcript p.is-empty {
  color: var(--ink-faint);
  font-weight: 400;
}

.result-feedback {
  position: fixed;
  inset: 0;
  z-index: 82;
  display: grid;
  place-items: center;
  padding: 24px;
  background: color-mix(in srgb, var(--canvas-soft) 74%, transparent);
  backdrop-filter: blur(18px);
}

.result-feedback[hidden] {
  display: none;
}

.danger-confirm {
  position: fixed;
  inset: 0;
  z-index: 84;
  display: grid;
  place-items: center;
  padding: 24px;
  background: color-mix(in srgb, var(--canvas-soft) 74%, transparent);
  backdrop-filter: blur(18px);
}

.danger-confirm[hidden] {
  display: none;
}

.danger-confirm-card {
  position: relative;
  width: min(520px, 100%);
  border: 1px solid color-mix(in srgb, var(--danger) 28%, var(--hairline));
  border-radius: var(--radius-xl);
  background: var(--surface);
  padding: var(--space-xxl);
  box-shadow: var(--shadow-elevated);
  display: grid;
  gap: var(--space-md);
  text-align: left;
}

.danger-confirm-card .icon-button {
  position: absolute;
  top: 14px;
  right: 14px;
}

.danger-confirm-card h2 {
  margin: 0;
}

.danger-confirm-copy {
  margin: 0;
  color: var(--danger);
  font-weight: 700;
  line-height: 1.55;
}

.confirm-input-wrap {
  display: grid;
  gap: var(--space-xs);
  color: var(--ink-secondary);
  font-size: 14px;
}

.danger-confirm-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.result-feedback-card {
  overflow: hidden;
}

.result-badge {
  width: 132px;
  height: 132px;
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0;
  background: color-mix(in srgb, var(--primary) 11%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--hairline));
  color: var(--primary);
}

.result-badge span {
  font-size: 56px;
  line-height: 0.95;
  letter-spacing: 0;
  font-weight: 800;
}

.result-badge small {
  font-size: 15px;
  font-weight: 700;
}

.result-message {
  max-width: 390px;
  margin: 0;
  color: var(--ink-secondary);
  font-weight: 600;
}

.result-details {
  width: 100%;
}

.scene-transition {
  position: fixed;
  inset: 0;
  z-index: 96;
  display: grid;
  place-items: center;
  box-sizing: border-box;
  padding: 24px;
  background: color-mix(in srgb, var(--canvas-soft) 86%, transparent);
  backdrop-filter: blur(20px);
  opacity: 0;
  pointer-events: auto;
  transition: opacity 180ms ease;
}

.scene-transition[hidden] {
  display: none;
}

.scene-transition.is-active {
  opacity: 1;
}

.scene-transition.is-leaving {
  opacity: 0;
}

.scene-transition-card {
  width: min(340px, 100%);
  box-sizing: border-box;
  display: grid;
  justify-items: center;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--hairline);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  transform: translateY(10px) scale(0.98);
  transition: transform 220ms ease;
}

@media (max-width: 600px) {
  .scene-transition {
    padding: 16px;
  }

  .scene-transition-card {
    width: min(284px, 100%);
    padding: 14px;
    border-radius: 18px;
  }

  .scene-transition-card img {
    width: min(198px, 58vw);
    border-radius: 14px;
  }

  .scene-transition-card strong {
    font-size: 18px;
  }
}

.language-button {
  border: 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  flex: 0 0 auto;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-weight: 500;
  line-height: 1.5;
  box-shadow: var(--shadow-soft);
  transition: transform 120ms ease, background 120ms ease;
  white-space: nowrap;
  cursor: pointer;
}

.hero-floating-actions .language-button {
  background: var(--surface);
  color: var(--ink);
}

.language-button:active {
  transform: scale(0.96);
}

.language-dialog {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: color-mix(in srgb, var(--canvas-soft) 72%, transparent);
  backdrop-filter: blur(18px);
}

.language-dialog[hidden] {
  display: none;
}

.language-dialog-open {
  overflow: hidden;
}

.language-dialog-card {
  position: relative;
  width: min(720px, 100%);
  max-height: min(720px, calc(100vh - 48px));
  overflow: auto;
  display: grid;
  gap: var(--space-lg);
  padding: var(--space-xl);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-elevated);
}

.language-dialog-heading {
  max-width: 540px;
}

.language-dialog-heading h2 {
  margin: 4px 0 0;
  padding-right: 42px;
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: 0;
}

.language-close-button {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  background: var(--surface);
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}

.language-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-sm);
}

.language-option {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--canvas-soft) 72%, var(--surface));
  color: var(--ink);
  text-align: left;
  box-shadow: none;
  cursor: pointer;
}

.language-option span {
  font-size: 24px;
  line-height: 1;
}

.language-option strong {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 15px;
  line-height: 1.2;
  letter-spacing: 0;
}

.language-option.active {
  border-color: color-mix(in srgb, var(--primary) 70%, var(--hairline));
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
  color: var(--ink);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary) 28%, transparent);
}

@media (max-width: 840px) {
  .language-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .language-button {
    min-height: 40px;
    padding: 9px 14px;
    font-size: 14px;
  }

  .language-dialog {
    padding: 16px;
  }

  .language-dialog-card {
    max-height: calc(100vh - 32px);
    gap: var(--space-md);
    padding: var(--space-lg);
  }

  .language-dialog-heading h2 {
    font-size: 24px;
  }

  .language-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .language-option {
    min-height: 56px;
    padding: 12px;
  }
}

.scene-transition.is-active .scene-transition-card {
  transform: translateY(0) scale(1);
}

.scene-transition-card img {
  width: min(230px, 72vw);
  aspect-ratio: 1;
  display: block;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--primary) 6%, var(--surface));
}

.scene-transition-card strong {
  color: var(--ink);
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: 0;
}

.scene-transition-card span {
  width: 72px;
  height: 8px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--primary), color-mix(in srgb, var(--primary) 18%, var(--surface)));
  animation: scene-transition-pulse 900ms ease-in-out infinite alternate;
}

.result-detail-grid {
  display: grid;
  gap: 10px;
  text-align: left;
}

.result-detail-grid section,
.result-detail-grid > .muted {
  margin: 0;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 12px;
  background: color-mix(in srgb, var(--canvas-soft) 74%, var(--surface));
}

.result-detail-grid p {
  margin: 4px 0 0;
}

.success-burst {
  position: fixed;
  z-index: 90;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.success-particle {
  position: absolute;
  left: 0;
  top: 0;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color);
  box-shadow: 0 0 0 1px color-mix(in srgb, #ffffff 38%, transparent);
  animation: success-pop 860ms cubic-bezier(0.18, 0.82, 0.24, 1) forwards;
}

@keyframes voice-pulse {
  0% {
    opacity: 0.9;
    transform: scale(0.72);
  }

  70% {
    opacity: 0.12;
    transform: scale(1.28);
  }

  100% {
    opacity: 0;
    transform: scale(1.42);
  }
}

@keyframes voice-react {
  0% {
    opacity: 0.95;
    transform: scale(0.62);
  }

  45% {
    opacity: 0.38;
    transform: scale(1.12);
  }

  100% {
    opacity: 0;
    transform: scale(1.52);
  }
}

@keyframes success-pop {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.4) rotate(0deg);
  }

  18% {
    opacity: 1;
  }

  76% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate(calc(-50% + var(--x)), calc(-50% + var(--y))) scale(0.82) rotate(135deg);
  }
}

@keyframes stamp-pop {
  0% {
    opacity: 0;
    transform: rotate(-18deg) scale(1.22);
  }

  58% {
    opacity: 1;
    transform: rotate(-8deg) scale(0.82);
  }

  100% {
    opacity: 1;
    transform: rotate(-10deg) scale(0.9);
  }
}

@keyframes scene-transition-pulse {
  from {
    transform: scaleX(0.72);
    opacity: 0.62;
  }

  to {
    transform: scaleX(1);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .practice-card-inner {
    transition: none;
  }

  .voice-wave,
  .voice-feedback.is-hearing .voice-wave {
    animation: none;
  }

  .success-particle {
    animation: none;
  }

  .scene-transition,
  .scene-transition-card {
    transition: none;
  }

  .scene-transition-card span {
    animation: none;
  }

}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 840px) {
  .nav {
    width: min(1120px, calc(100% - 24px));
    min-height: 72px;
    align-items: center;
    gap: 8px;
  }

  .brand {
    gap: 6px;
    flex: 0 0 auto;
  }

  .brand-mark,
  .brand-mark img {
    width: 28px;
    height: 28px;
  }

  .nav-links {
    width: auto;
    flex: 1 1 auto;
    min-width: 0;
    margin-left: auto;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    font-size: 14px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .nav-links a:not(.button-utility) {
    min-height: 36px;
    padding: 6px 7px 6px 0;
  }

  .nav-links .button-utility {
    min-height: 38px;
    padding: 7px 10px;
  }

  .grid,
  .grid.two,
  .script-layout,
  .settings-grid,
  .records-grid,
  .records-layout,
  .guide-card-grid {
    grid-template-columns: 1fr;
  }

  .practice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    --practice-card-height: 300px;
  }

  .practice-card-face {
    padding: var(--space-md);
  }

  .practice-card .sentence {
    font-size: 17px;
    line-height: 1.32;
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

  .panel-heading {
    display: grid;
  }

  .hero-inner {
    padding: 56px 0 48px;
  }

  .hero-floating-actions {
    position: absolute;
    right: 0;
    bottom: 48px;
    width: fit-content;
  }

  .hero-copy {
    bottom: 126px;
    width: min(520px, 72vw);
  }
}

@media (max-width: 600px) {
  body {
    overflow-x: hidden;
  }

  .nav {
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
    min-height: 0;
    padding: 10px 0;
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px;
    overflow: hidden;
  }

  .brand {
    gap: 5px;
    font-size: 14px;
  }

  .brand-mark,
  .brand-mark img {
    width: 22px;
    height: 22px;
  }

  .nav-links {
    width: auto;
    flex: 1 1 auto;
    margin-left: 0;
    gap: 7px;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .nav-links a:not(.button-utility) {
    min-height: 30px;
    padding: 4px 0;
    border-right: 0;
    font-size: 12px;
  }

  .nav-links .button-utility {
    min-height: 32px;
    padding: 5px 8px;
    font-size: 12px;
  }

  .container,
  .hero-inner {
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
  }

  .hero-floating-actions,
  .hero-copy,
  .feature-card,
  .card,
  .policy-card {
    min-width: 0;
    max-width: 100%;
  }

  .feature-card p,
  .card p,
  .policy-card p {
    overflow-wrap: anywhere;
  }

  .hero-band::before {
    background: linear-gradient(180deg, rgba(10, 14, 22, 0.02) 0%, rgba(10, 14, 22, 0.08) 28%, rgba(10, 14, 22, 0.86) 100%);
  }

  .hero-image {
    object-position: center calc(-88px + var(--hero-parallax-offset, 0px));
  }

  .hero-inner {
    min-height: 560px;
    padding: 0;
  }

  .hero-copy {
    left: 16px;
    right: 16px;
    bottom: 98px;
    width: auto;
  }

  .hero-copy h1 {
    overflow-wrap: anywhere;
    text-wrap: balance;
    font-size: 28px;
    line-height: 1.08;
    letter-spacing: -0.75px;
  }

  .hero-copy p {
    overflow-wrap: anywhere;
    font-size: 15px;
  }

  .hero-floating-actions {
    right: auto;
    left: 8px;
    bottom: 28px;
    width: calc(100vw - 32px);
    padding: 7px;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: var(--radius-full);
    box-sizing: border-box;
  }

  .hero-floating-actions .button-primary,
  .hero-floating-actions .button-secondary,
  .hero-floating-actions .language-button {
    min-height: 40px;
    padding: 8px 9px;
    font-size: 12px;
  }

  h1 {
    letter-spacing: -1.25px;
  }

  .section,
  .content-page {
    padding: 48px 0;
  }

  .app-main {
    width: min(100% - 24px, 960px);
  }

  .app-panel,
  .feature-card,
  .card,
  .guide-card {
    padding: var(--space-md);
  }

  .bottom-tab {
    font-size: 11px;
  }

  .voice-feedback,
  .result-feedback,
  .danger-confirm {
    padding: 14px;
    align-items: start;
    overflow-y: auto;
  }

  .voice-feedback-card,
  .result-feedback-card,
  .danger-confirm-card {
    padding: 24px 16px;
  }

  .result-badge {
    width: 112px;
    height: 112px;
  }

  .result-badge span {
    font-size: 48px;
  }
}

@media (max-width: 600px) {
  .practice-grid {
    gap: 7px;
    --practice-card-height: 270px;
  }

  .practice-card-face {
    padding: 10px;
    gap: 6px;
  }

  .practice-card .eyebrow {
    font-size: 10px;
  }

  .practice-card .sentence {
    font-size: 12px;
    line-height: 1.28;
  }

  .practice-card .muted {
    font-size: 10px;
    line-height: 1.32;
  }

  .practice-card .record-button {
    min-height: 36px;
    padding: 6px 8px;
    font-size: 12px;
    width: 100%;
  }

  .practice-status-flag {
    top: 7px;
    right: 7px;
    min-height: 20px;
    padding: 3px 6px;
    font-size: 10px;
  }

  .lesson-screen {
    width: min(430px, calc(100vw - 20px));
    padding: max(10px, env(safe-area-inset-top)) 0 calc(14px + env(safe-area-inset-bottom));
  }

  .lesson-screen-content {
    min-height: calc(100dvh - max(10px, env(safe-area-inset-top)) - 14px - env(safe-area-inset-bottom));
  }

  .lesson-preview.has-lesson-result {
    gap: 8px;
  }

  .lesson-preview.has-lesson-result .lesson-topline {
    align-items: start;
  }

  .lesson-preview.has-lesson-result .lesson-screen-title {
    gap: 0;
  }

  .lesson-preview.has-lesson-result .lesson-screen-title small {
    font-size: 12px;
  }

  .lesson-preview.has-lesson-result .lesson-screen-title strong {
    font-size: 20px;
    line-height: 1.1;
  }

  .lesson-preview.has-lesson-result .lesson-close-button {
    width: 34px;
    height: 34px;
    font-size: 20px;
  }

  .lesson-preview.has-lesson-result .segmented-progress {
    gap: 5px;
  }

  .lesson-preview.has-lesson-result .segmented-progress span {
    min-height: 12px;
  }

  .lesson-preview.has-lesson-result .lesson-card {
    padding: 10px 12px;
    border-radius: 18px;
    display: grid;
    gap: 3px;
    text-align: left;
  }

  .lesson-preview.has-lesson-result .lesson-card img {
    display: none;
  }

  .lesson-preview.has-lesson-result .lesson-kicker {
    display: none;
  }

  .lesson-preview.has-lesson-result .lesson-card h2 {
    margin: 0;
    font-size: 18px;
    line-height: 1.24;
    letter-spacing: 0;
  }

  .lesson-preview.has-lesson-result .lesson-listen-button {
    display: none;
  }

  .lesson-preview.has-lesson-result .lesson-speak-card {
    display: none;
  }

  .lesson-preview.has-lesson-result .lesson-speak-card::before,
  .lesson-preview.has-lesson-result .lesson-speak-card::after {
    display: none;
  }

  .lesson-preview.has-lesson-result .big-mic-button {
    width: 46px;
    height: 46px;
    border-width: 1px;
    box-shadow: none;
  }

  .lesson-preview.has-lesson-result .big-mic-button svg {
    width: 24px;
    height: 24px;
  }

  .lesson-preview.has-lesson-result #lessonSpeakStatus {
    align-self: center;
    font-size: 16px;
  }

  .lesson-preview.has-lesson-result .lesson-result-card {
    gap: 7px;
    padding: 10px;
    border-radius: 18px;
  }

  .lesson-preview.has-lesson-result .lesson-stamp {
    right: 10px;
    top: 10px;
    width: 62px;
    height: 62px;
    border-width: 3px;
    font-size: 13px;
  }

  .lesson-preview.has-lesson-result .lesson-result-card.has-perfect-stamp .lesson-result-header {
    min-height: 44px;
    padding-right: 68px;
  }

  .lesson-preview.has-lesson-result .lesson-result-header strong {
    font-size: 24px;
  }

  .lesson-preview.has-lesson-result .comparison-row {
    grid-template-columns: 54px 1fr;
    gap: 8px;
    padding: 8px 9px;
  }

  .lesson-preview.has-lesson-result .comparison-row > span,
  .lesson-preview.has-lesson-result .comparison-row p,
  .lesson-preview.has-lesson-result .lesson-feedback {
    font-size: 12px;
    line-height: 1.32;
  }

  .lesson-preview.has-lesson-result .lesson-feedback {
    padding: 8px 9px;
    border-radius: 12px;
  }

  .lesson-preview.has-lesson-result .lesson-review-card {
    display: none;
  }

  .lesson-preview.has-lesson-result .review-card-mini-icon {
    width: 34px;
    height: 34px;
  }

  .lesson-preview.has-lesson-result .lesson-review-card p {
    margin-top: 3px;
    font-size: 12px;
    line-height: 1.35;
  }

  .lesson-preview.has-lesson-result .lesson-actions {
    position: static;
    gap: 8px;
    padding-top: 0;
    background: transparent;
  }

  .lesson-preview.has-lesson-result .lesson-actions .button-primary,
  .lesson-preview.has-lesson-result .lesson-actions .button-secondary {
    min-height: 44px;
    font-size: 16px;
  }
}