:root {
  color-scheme: light;
  --ink: #102426;
  --muted: #627174;
  --quiet: #eef3f0;
  --paper: #fbfcfa;
  --surface: #ffffff;
  --line: #dce5df;
  --deep: #123b3f;
  --deep-2: #1d5753;
  --leaf: #3f7f58;
  --gold: #c58b26;
  --red: #b84e40;
  --violet: #6d628f;
  --sky: #2d7f96;
  --shadow: 0 18px 48px rgba(16, 36, 38, 0.1);
  --radius: 8px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #f4f7f3;
  color: var(--ink);
}

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

button {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: var(--deep-2);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.app-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 100vh;
}

.side-rail {
  background:
    linear-gradient(180deg, rgba(18, 59, 63, 0.92), rgba(18, 59, 63, 0.98)),
    url("assets/kara-glyph.svg") center bottom / cover no-repeat;
  color: #f5fbf6;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 26px 22px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.22);
}

.eyebrow {
  color: inherit;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 6px;
  opacity: 0.72;
  text-transform: uppercase;
}

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

h1 {
  font-size: 1.45rem;
  line-height: 1.05;
  margin: 0;
}

.today-panel,
.language-note {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 16px;
}

.today-panel h2 {
  font-size: 1rem;
  margin: 0 0 14px;
}

.today-panel p,
.language-note p {
  color: rgba(245, 251, 246, 0.78);
  font-size: 0.92rem;
  line-height: 1.48;
  margin-bottom: 0;
}

.meter {
  background: rgba(255, 255, 255, 0.17);
  border-radius: 999px;
  height: 9px;
  margin-bottom: 12px;
  overflow: hidden;
}

.meter span {
  background: linear-gradient(90deg, #e0ab40, #6ac68c);
  display: block;
  height: 100%;
  width: 0%;
  transition: width 180ms ease;
}

.nav-stack {
  display: grid;
  gap: 8px;
}

.nav-button {
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: rgba(245, 251, 246, 0.72);
  display: grid;
  gap: 12px;
  grid-template-columns: 34px 1fr;
  min-height: 46px;
  padding: 6px 10px;
  text-align: left;
}

.nav-button span {
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 7px;
  color: #ffffff;
  display: inline-flex;
  font-size: 0.9rem;
  font-weight: 800;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.nav-button b {
  font-size: 0.94rem;
}

.nav-button:hover,
.nav-button:focus-visible,
.nav-button.is-active {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  outline: none;
}

.main-area {
  min-width: 0;
  padding: 28px;
}

.topbar {
  align-items: center;
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin: 0 auto 22px;
  max-width: 1180px;
}

.topbar h2 {
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  line-height: 1.05;
  margin: 0;
}

.top-actions {
  align-items: center;
  display: flex;
  gap: 10px;
}

.goal-select {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  gap: 10px;
  min-height: 42px;
  padding: 6px 10px;
}

.goal-select span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.goal-select select,
.field-row input,
.field-row select,
.field-row textarea,
.search-input,
.compact-select {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
}

.goal-select select {
  min-width: 64px;
  padding: 6px 8px;
}

.ghost-button,
.primary-button,
.compact-button,
.choice-button,
.char-button {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  min-height: 40px;
  padding: 8px 12px;
}

.primary-button {
  background: var(--deep);
  border-color: var(--deep);
  color: #ffffff;
  font-weight: 800;
}

.ghost-button,
.compact-button,
.char-button {
  background: #ffffff;
  color: var(--ink);
}

.compact-button {
  min-height: 34px;
  padding: 6px 10px;
}

.file-button {
  align-items: center;
  display: inline-flex;
  justify-content: center;
}

.file-button input {
  height: 1px;
  opacity: 0;
  position: absolute;
  width: 1px;
}

.ghost-button:hover,
.compact-button:hover,
.char-button:hover,
.choice-button:hover {
  border-color: #b8c7bf;
}

.view-frame {
  display: grid;
  gap: 20px;
  margin: 0 auto;
  max-width: 1180px;
}

.view-frame > * {
  min-width: 0;
}

.studio-strip {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.68)),
    url("assets/kara-glyph.svg") right center / min(58vw, 620px) auto no-repeat;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.8fr);
  overflow: hidden;
  padding: 24px;
}

.studio-strip.compact-hero {
  align-items: center;
  grid-template-columns: minmax(0, 1fr) auto;
}

.studio-strip h3 {
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.05;
  margin: 0 0 12px;
  max-width: 740px;
}

.cta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cta-strip button {
  min-height: 46px;
}

.studio-strip p {
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 0;
  max-width: 720px;
}

.glyph-scene {
  align-content: center;
  display: grid;
  gap: 10px;
  justify-items: end;
  min-height: 168px;
}

.glyph-row {
  display: flex;
  gap: 8px;
}

.glyph-pill {
  align-items: center;
  background: rgba(18, 59, 63, 0.9);
  border-radius: var(--radius);
  color: #ffffff;
  display: inline-flex;
  font-size: 1.35rem;
  font-weight: 900;
  height: 48px;
  justify-content: center;
  min-width: 48px;
  padding: 0 12px;
}

.glyph-pill:nth-child(2n) {
  background: rgba(197, 139, 38, 0.92);
}

.glyph-pill:nth-child(3n) {
  background: rgba(184, 78, 64, 0.92);
}

.lesson-grid,
.module-grid,
.phrase-grid,
.source-grid {
  display: grid;
  gap: 14px;
}

.lesson-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

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

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

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

.home-hero {
  align-items: stretch;
  background:
    linear-gradient(135deg, rgba(18, 59, 63, 0.96), rgba(29, 87, 83, 0.9)),
    url("assets/kara-glyph.svg") right center / min(68vw, 720px) auto no-repeat;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: #ffffff;
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
  overflow: hidden;
  padding: 28px;
}

.home-hero-copy {
  align-content: center;
  display: grid;
  gap: 14px;
  min-height: 280px;
  min-width: 0;
}

.home-hero h3 {
  font-size: clamp(2.25rem, 7vw, 5rem);
  line-height: 0.98;
  margin: 0;
  max-width: 760px;
  overflow-wrap: anywhere;
}

.home-hero p {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.55;
  margin: 0;
  max-width: 680px;
  overflow-wrap: anywhere;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.hero-actions .primary-button {
  background: #ffffff;
  border-color: #ffffff;
  color: var(--deep);
}

.hero-actions .ghost-button {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.26);
  color: #ffffff;
}

.language-facts-card {
  align-self: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  display: grid;
  gap: 1px;
  overflow: hidden;
}

.language-facts-card div {
  background: rgba(255, 255, 255, 0.08);
  display: grid;
  gap: 5px;
  padding: 14px;
}

.language-facts-card span {
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.language-facts-card strong {
  color: #ffffff;
  line-height: 1.2;
}

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

.hub-stats article {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 6px;
  padding: 16px;
}

.hub-stats strong {
  color: var(--deep);
  font-size: 1.7rem;
  line-height: 1;
}

.hub-stats span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 750;
  line-height: 1.35;
}

.section-heading {
  display: grid;
  gap: 6px;
}

.section-heading h3 {
  font-size: clamp(1.35rem, 3vw, 2.2rem);
  line-height: 1.08;
  margin: 0;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.48;
  margin: 0;
}

.hub-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.hub-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(16, 36, 38, 0.06);
  display: grid;
  gap: 10px;
  min-height: 190px;
  padding: 16px;
}

.hub-card > span {
  align-items: center;
  background: var(--quiet);
  border-radius: 7px;
  color: var(--deep);
  display: inline-flex;
  font-size: 0.74rem;
  font-weight: 900;
  height: 32px;
  justify-content: center;
  text-transform: uppercase;
  width: 42px;
}

.hub-card h3 {
  margin: 0;
}

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

.hub-card button {
  align-self: end;
  justify-self: start;
}

.teacher-layout,
.story-layout {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) 330px;
}

.story-layout {
  grid-template-columns: 300px minmax(0, 1fr);
}

.lesson-card,
.panel,
.phrase-card,
.stat-tile,
.source-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(16, 36, 38, 0.06);
  min-width: 0;
}

.lesson-card {
  display: grid;
  gap: 12px;
  min-height: 190px;
  padding: 16px;
}

.lesson-card h3,
.panel h3,
.phrase-card h3,
.source-card h3 {
  margin-bottom: 8px;
}

.lesson-card p,
.panel p,
.phrase-card p,
.source-card p {
  color: var(--muted);
  line-height: 1.48;
  margin-bottom: 0;
}

.lesson-card.is-active {
  border-color: rgba(197, 139, 38, 0.8);
  box-shadow: 0 16px 36px rgba(197, 139, 38, 0.14);
}

.lesson-card button {
  align-self: end;
  justify-self: start;
}

.lesson-meta,
.completion-copy {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 12px 0 8px;
}

.completion-copy {
  font-weight: 600;
  margin: 6px 0 0;
}

.mini-progress {
  background: var(--quiet);
  border-radius: 999px;
  height: 7px;
  overflow: hidden;
}

.mini-progress span {
  background: linear-gradient(90deg, var(--leaf), var(--gold));
  display: block;
  height: 100%;
}

.tag {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.74rem;
  font-weight: 800;
  min-height: 24px;
  padding: 4px 9px;
  width: fit-content;
}

.tag.leaf {
  background: rgba(63, 127, 88, 0.13);
  color: var(--leaf);
}

.tag.gold {
  background: rgba(197, 139, 38, 0.14);
  color: #8a5a10;
}

.tag.red {
  background: rgba(184, 78, 64, 0.13);
  color: var(--red);
}

.tag.violet {
  background: rgba(109, 98, 143, 0.14);
  color: var(--violet);
}

.tag-row {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.panel {
  max-width: 100%;
  padding: 18px;
}

.wide-panel {
  grid-column: 1 / -1;
}

.fact-list,
.known-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.fact-list li,
.known-list li {
  align-items: start;
  background: var(--quiet);
  border-radius: var(--radius);
  color: #304347;
  display: grid;
  gap: 8px;
  grid-template-columns: 32px 1fr;
  line-height: 1.45;
  list-style: none;
  padding: 10px;
}

.fact-list span,
.known-list span {
  align-items: center;
  background: #ffffff;
  border-radius: 7px;
  color: var(--deep);
  display: inline-flex;
  font-weight: 900;
  height: 32px;
  justify-content: center;
  width: 32px;
}

.letter-grid,
.number-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
}

.letter-tile,
.number-tile {
  background: #f8faf8;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 104px;
  padding: 12px;
}

.letter-tile strong,
.number-tile strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 8px;
}

.letter-tile small,
.number-tile small {
  color: var(--muted);
  display: block;
  line-height: 1.35;
}

.phrase-card {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.kabiye-text {
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  font-weight: 850;
  line-height: 1.16;
}

.phrase-meta {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.phrase-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.practice-layout {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1.05fr) minmax(310px, 0.95fr);
}

.flash-stage {
  align-items: center;
  background:
    linear-gradient(145deg, rgba(18, 59, 63, 0.98), rgba(29, 87, 83, 0.94)),
    url("assets/kara-glyph.svg") center / cover no-repeat;
  border-radius: var(--radius);
  color: #ffffff;
  display: grid;
  min-height: 280px;
  padding: 24px;
}

.flash-card {
  display: grid;
  gap: 18px;
}

.flash-prompt {
  color: rgba(255, 255, 255, 0.7);
  font-weight: 800;
  margin: 0;
  text-transform: uppercase;
}

.flash-main {
  font-size: clamp(2rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1;
  margin: 0;
  word-break: break-word;
}

.flash-sub {
  color: rgba(255, 255, 255, 0.76);
  margin: 0;
}

.flash-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.review-strip {
  align-items: stretch;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  margin-bottom: 18px;
}

.review-chip {
  background: #ffffff;
  border: 1px solid rgba(18, 59, 63, 0.1);
  border-radius: var(--radius);
  display: grid;
  gap: 4px;
  min-height: 72px;
  padding: 12px;
}

.review-chip strong {
  color: var(--deep);
  font-size: 1.35rem;
  line-height: 1;
}

.review-chip span,
.review-copy,
.review-prompt,
.known-list small {
  color: var(--muted);
}

.review-copy,
.review-prompt {
  margin: 0;
}

.review-actions {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.quiz-box {
  display: grid;
  gap: 12px;
}

.choice-grid {
  display: grid;
  gap: 8px;
}

.choice-button {
  background: #f8faf8;
  color: var(--ink);
  min-height: 48px;
  text-align: left;
}

.choice-button.is-correct {
  background: rgba(63, 127, 88, 0.13);
  border-color: rgba(63, 127, 88, 0.55);
}

.choice-button.is-wrong {
  background: rgba(184, 78, 64, 0.1);
  border-color: rgba(184, 78, 64, 0.5);
}

.feedback {
  border-left: 4px solid var(--gold);
  color: var(--muted);
  margin: 4px 0 0;
  min-height: 28px;
  padding-left: 10px;
}

.typing-pad {
  display: grid;
  gap: 12px;
}

.field-row {
  display: grid;
  gap: 8px;
}

.field-row label,
.field-row > span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.field-row input,
.field-row select,
.field-row textarea,
.search-input,
.compact-select {
  min-height: 44px;
  padding: 10px 12px;
  width: 100%;
}

.field-row textarea {
  min-height: 118px;
  resize: vertical;
}

.char-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(44px, 1fr));
}

.char-button {
  font-size: 1.25rem;
  font-weight: 850;
  min-height: 44px;
  padding: 6px;
}

.keyboard-welcome {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 24px;
}

.keyboard-welcome h3 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.05;
  margin: 0 0 10px;
}

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

.keyboard-mode-toggle {
  background: var(--quiet);
  border: 1px solid var(--line);
  border-radius: 999px;
  display: flex;
  gap: 4px;
  padding: 4px;
}

.keyboard-mode-toggle button {
  background: transparent;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  min-height: 38px;
  padding: 6px 14px;
}

.keyboard-mode-toggle button.is-active,
.compact-button.is-active {
  background: var(--deep);
  color: #ffffff;
}

.keyboard-layout {
  align-items: start;
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
}

.keyboard-panel,
.keyboard-help {
  display: grid;
  gap: 14px;
}

.compact-mode-toggle {
  flex: 0 1 280px;
}

.keyboard-editor-area {
  display: grid;
  gap: 10px;
}

.keyboard-editor-field textarea {
  min-height: 120px;
}

.keyboard-editor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.suggestion-bar {
  align-items: center;
  background: #f8faf8;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
}

.suggestion-bar span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
}

.suggestion-bar button {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--deep);
  font-weight: 850;
  min-height: 34px;
  padding: 6px 12px;
}

.quick-row {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.quick-row > span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.keyboard-surface {
  background: #1a1b1b;
  border: 1px solid #2b2d2d;
  border-radius: 22px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 18px 36px rgba(12, 24, 23, 0.18);
  color: #ffffff;
  display: grid;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  gap: 12px;
  padding: 18px;
}

.keyboard-surface-top,
.keyboard-suggestion-line,
.keyboard-fast-line,
.keyboard-row {
  align-items: center;
  display: flex;
  gap: 8px;
}

.keyboard-surface-top {
  justify-content: space-between;
}

.keyboard-surface-top strong {
  font-size: 0.86rem;
}

.keyboard-learning-toggle {
  background: transparent;
  border: 0;
  color: #ffffff;
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 800;
  min-height: 28px;
  padding: 0;
}

.keyboard-suggestion-line {
  flex-wrap: wrap;
}

.keyboard-suggestion-line span,
.keyboard-suggestion-line button,
.keyboard-fast-line .keyboard-key {
  color: #ffffff;
  font-size: 0.86rem;
  font-weight: 900;
}

.keyboard-suggestion-line span {
  margin-right: 16px;
}

.keyboard-suggestion-line button {
  background: transparent;
  border: 0;
  font-family: inherit;
  min-height: 28px;
  padding: 0 6px;
}

.keyboard-rows {
  display: grid;
  gap: 6px;
}

.keyboard-row {
  justify-content: stretch;
}

.keyboard-row-2 {
  padding-inline: 14px;
}

.keyboard-row-3 {
  padding-inline: 4px;
}

.keyboard-key {
  background: transparent;
  border: 0;
  border-radius: 7px;
  color: #ffffff;
  flex: 1 1 0;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 900;
  min-height: 34px;
  min-width: 0;
  padding: 5px;
  position: relative;
  touch-action: manipulation;
}

.keyboard-key:active,
.keyboard-key.is-active {
  background: rgba(255, 255, 255, 0.14);
}

.keyboard-key.quick-key {
  flex: 0 0 auto;
  min-height: 28px;
  min-width: 22px;
  padding-inline: 0;
}

.control-key {
  color: #ffffff;
  font-size: 0.84rem;
}

.mode-key,
.globe-key,
.enter-key {
  flex: 0 0 48px;
}

.keyboard-key.has-long::after {
  border-left: 4px solid transparent;
  border-top: 4px solid rgba(255, 255, 255, 0.65);
  content: "";
  position: absolute;
  right: 3px;
  top: 4px;
}

.space-key {
  flex: 4 1 120px;
}

.delete-key {
  color: #ffffff;
}

.keyboard-popup {
  align-items: center;
  background: var(--deep);
  border-radius: 999px;
  box-shadow: 0 14px 34px rgba(20, 49, 45, 0.24);
  display: flex;
  gap: 6px;
  padding: 7px;
  position: fixed;
  transform: translate(-50%, -100%);
  z-index: 50;
}

.keyboard-popup button {
  background: #ffffff;
  border: 0;
  border-radius: 999px;
  color: var(--deep);
  font-size: 1.1rem;
  font-weight: 900;
  min-height: 38px;
  min-width: 38px;
}

.keyboard-popup.note-popup {
  border-radius: var(--radius);
  max-width: min(280px, calc(100vw - 28px));
}

.keyboard-popup p {
  color: #ffffff;
  font-weight: 800;
  line-height: 1.35;
  margin: 0;
  padding: 8px 10px;
}

.keyboard-hint {
  background: rgba(46, 125, 97, 0.1);
  border: 1px solid rgba(46, 125, 97, 0.24);
  border-radius: var(--radius);
  display: grid;
  gap: 6px;
  padding: 14px;
}

.keyboard-hint strong {
  color: var(--deep);
}

.keyboard-hint p,
.system-keyboard-card p {
  color: var(--muted);
  line-height: 1.45;
  margin: 0;
}

.system-keyboard-card code {
  background: var(--quiet);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: inline-block;
  font-weight: 800;
  padding: 6px 8px;
}

.phrase-toolbar {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-button {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  min-height: 34px;
  padding: 6px 11px;
}

.filter-button.is-active {
  background: var(--deep);
  border-color: var(--deep);
  color: #ffffff;
}

.result-count {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
  margin: 12px 0 0;
}

.lexique-count {
  align-items: end;
  display: grid;
  justify-items: end;
}

.lexique-count strong {
  color: var(--deep);
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 0.95;
}

.lexique-count span {
  color: var(--muted);
  font-weight: 800;
}

.dictionary-filters {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(4, minmax(145px, 1fr));
  width: 100%;
}

.dictionary-filters label {
  color: var(--muted);
  display: grid;
  font-size: 0.78rem;
  font-weight: 850;
  gap: 6px;
  text-transform: uppercase;
}

.dictionary-filters select {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  min-height: 42px;
  padding: 8px 10px;
  text-transform: none;
  width: 100%;
}

.dictionary-card-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dictionary-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(16, 36, 38, 0.06);
  display: grid;
  gap: 14px;
  padding: 16px;
}

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

.dictionary-card-head h3 {
  color: var(--deep);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.05;
  margin: 0;
  word-break: break-word;
}

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

.meaning-grid p {
  background: var(--quiet);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  line-height: 1.45;
  margin: 0;
  padding: 12px;
}

.meaning-grid b,
.mini-label,
.example-box span {
  color: var(--muted);
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 900;
  margin-bottom: 4px;
  text-transform: uppercase;
}

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

.example-box {
  border-left: 4px solid var(--leaf);
  background: #f7faf7;
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 12px;
}

.example-box p {
  color: var(--ink);
  line-height: 1.45;
  margin: 0;
}

.culture-grid,
.submission-list {
  display: grid;
  gap: 14px;
}

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

.culture-card,
.submission-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(16, 36, 38, 0.06);
  display: grid;
  gap: 12px;
  padding: 16px;
}

.culture-card h3,
.submission-card h3 {
  margin: 0;
}

.culture-card p,
.submission-card p,
.submission-card small {
  color: var(--muted);
  line-height: 1.45;
  margin: 0;
}

.submission-card {
  align-items: start;
  grid-template-columns: minmax(0, 1fr) auto;
}

.backend-panel {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.backend-panel p {
  max-width: 760px;
}

.trust-hero .language-facts-card strong {
  overflow-wrap: anywhere;
}

.trust-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.admin-login-panel {
  display: grid;
  gap: 12px;
}

.admin-login-panel .field-row {
  max-width: 620px;
}

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

.admin-card {
  gap: 12px;
}

.admin-card audio {
  margin-top: 10px;
  width: 100%;
}

.danger-button {
  border-color: rgba(184, 78, 64, 0.38);
  color: var(--red);
}

.error-note {
  background: rgba(184, 78, 64, 0.1);
  border: 1px solid rgba(184, 78, 64, 0.24);
  border-radius: var(--radius);
  color: var(--red) !important;
  font-weight: 750;
  margin: 0;
  padding: 10px 12px;
}

.lexique-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-x: auto;
  overflow-y: hidden;
}

.lexique-table-full {
  overflow-x: auto;
}

.lexique-row {
  align-items: center;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(130px, 1.2fr) minmax(150px, 1.3fr) 78px 94px 88px;
  min-width: 680px;
  padding: 10px 12px;
}

.lexique-table-full .lexique-row {
  grid-template-columns: minmax(130px, 1.1fr) minmax(150px, 1fr) minmax(150px, 1fr) minmax(130px, 1fr) 78px 94px 88px;
  min-width: 980px;
}

.lexique-row:last-child {
  border-bottom: 0;
}

.lexique-head {
  background: var(--quiet);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.lexique-word {
  color: var(--deep);
  font-size: 1.08rem;
  font-weight: 900;
}

.icon-button {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 800;
  min-height: 34px;
  padding: 6px 9px;
}

.icon-button:hover {
  border-color: #b8c7bf;
}

.teacher-chat {
  display: grid;
  gap: 12px;
  grid-template-rows: minmax(320px, 1fr) auto;
  min-height: 560px;
}

.chat-scroll {
  align-content: start;
  background: #f7faf7;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 10px;
  max-height: 520px;
  overflow: auto;
  padding: 12px;
}

.chat-bubble {
  border-radius: var(--radius);
  line-height: 1.48;
  max-width: min(680px, 92%);
  padding: 11px 12px;
}

.chat-bubble.teacher {
  background: #ffffff;
  border: 1px solid var(--line);
  justify-self: start;
}

.chat-bubble.user {
  background: var(--deep);
  color: #ffffff;
  justify-self: end;
}

.chat-form {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr) auto;
}

.chat-form textarea {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 64px;
  padding: 10px 12px;
  resize: vertical;
}

.prompt-stack {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.sound-card {
  display: grid;
  gap: 14px;
}

.phonetic-panel {
  background: var(--quiet);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 6px;
  padding: 14px;
}

.phonetic-panel span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.phonetic-panel strong {
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.15;
}

.phonetic-panel small {
  color: var(--muted);
  line-height: 1.4;
}

.audio-source-card {
  display: grid;
  gap: 10px;
}

.recording-slot {
  align-items: center;
  background: #f8faf8;
  border: 1px dashed #b9c8bf;
  border-radius: var(--radius);
  display: flex;
  min-height: 74px;
  padding: 12px;
}

.recording-slot audio {
  width: 100%;
}

.audio-status {
  background: var(--quiet);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 4px;
  padding: 12px;
}

.audio-status strong {
  color: var(--deep);
}

.audio-status span {
  color: var(--muted);
  line-height: 1.42;
}

.audio-status.is-saved {
  background: rgba(63, 127, 88, 0.1);
  border-color: rgba(63, 127, 88, 0.28);
}

.audio-manifest-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.audio-manifest-grid div,
.audio-manifest-mini {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 7px;
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 10px;
}

.audio-manifest-grid span,
.audio-manifest-mini span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.audio-manifest-grid strong,
.audio-manifest-mini p,
.audio-manifest-mini small {
  color: var(--ink);
  line-height: 1.35;
  margin: 0;
  overflow-wrap: anywhere;
}

.audio-manifest-mini {
  background: #f8faf8;
}

.audio-manifest-mini small {
  color: var(--muted);
}

.audio-meta-card {
  display: grid;
  gap: 14px;
}

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

.audio-meta-grid .wide-field {
  grid-column: 1 / -1;
}

.consent-row {
  align-items: start;
  background: rgba(194, 75, 70, 0.07);
  border: 1px solid rgba(194, 75, 70, 0.18);
  border-radius: var(--radius);
  color: var(--ink);
  display: grid;
  gap: 10px;
  grid-template-columns: auto minmax(0, 1fr);
  line-height: 1.45;
  padding: 12px;
}

.consent-row input {
  accent-color: var(--deep);
  height: 18px;
  margin-top: 2px;
  min-height: 18px;
  width: 18px;
}

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

.audio-vault-item {
  align-items: center;
  background: #f8faf8;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 12px;
}

.audio-vault-item p,
.audio-vault-item small,
.empty-note {
  color: var(--muted);
  line-height: 1.4;
  margin: 0;
}

.safety-note {
  background: #fff8ea;
  border: 1px solid rgba(189, 132, 36, 0.26);
  border-radius: var(--radius);
  color: #755314;
  line-height: 1.45;
  padding: 12px;
}

.story-card {
  display: grid;
  gap: 16px;
}

.story-lines {
  display: grid;
  gap: 10px;
}

.story-line {
  align-items: start;
  background: #f8faf8;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 14px;
}

.story-line .kabiye-text {
  margin-bottom: 8px;
}

.comprehension-box {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  padding-top: 14px;
}

.immersion-targets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.immersion-targets .tag {
  border: 0;
  min-height: 32px;
}

.choice-button.is-selected {
  background: rgba(18, 59, 63, 0.08);
  border-color: rgba(18, 59, 63, 0.38);
}

.stats-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-tile {
  padding: 16px;
}

.stat-tile strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 8px;
}

.progress-bar {
  background: var(--quiet);
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
}

.progress-bar span {
  background: linear-gradient(90deg, var(--deep-2), var(--gold));
  display: block;
  height: 100%;
}

.source-card {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.empty-state {
  align-items: center;
  background: var(--quiet);
  border-radius: var(--radius);
  color: var(--muted);
  display: flex;
  min-height: 90px;
  padding: 16px;
}

.toast {
  background: var(--ink);
  border-radius: var(--radius);
  bottom: 22px;
  box-shadow: var(--shadow);
  color: #ffffff;
  left: 50%;
  opacity: 0;
  padding: 10px 14px;
  pointer-events: none;
  position: fixed;
  transform: translate(-50%, 10px);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
  z-index: 20;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

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

  .side-rail {
    background:
      linear-gradient(90deg, rgba(18, 59, 63, 0.98), rgba(29, 87, 83, 0.9)),
      url("assets/kara-glyph.svg") right center / auto 100% no-repeat;
    padding: 18px;
  }

  .nav-stack {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .nav-button {
    justify-items: center;
    grid-template-columns: 1fr;
    text-align: center;
  }

  .today-panel,
  .language-note {
    display: none;
  }

  .main-area {
    padding: 20px;
  }

  .studio-strip,
  .studio-strip.compact-hero,
  .home-hero,
  .keyboard-welcome,
  .keyboard-layout,
  .review-strip,
  .practice-layout,
  .teacher-layout,
  .story-layout {
    grid-template-columns: 1fr;
  }

  .glyph-scene {
    justify-items: start;
  }

  .lexique-count {
    justify-items: start;
  }

  .lesson-grid,
  .hub-grid,
  .culture-grid,
  .trust-grid,
  .dictionary-card-grid,
  .admin-queues,
  .module-grid,
  .source-grid,
  .dictionary-filters,
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-hero-copy {
    min-height: 220px;
  }

  .teacher-layout aside,
  .story-layout aside {
    order: -1;
  }
}

@media (max-width: 680px) {
  html,
  body {
    overflow-x: hidden;
  }

  .app-shell,
  .side-rail,
  .main-area,
  .topbar,
  .view-frame {
    max-width: 100%;
    min-width: 0;
    width: 100%;
  }

  .topbar > div {
    min-width: 0;
  }

  .side-rail {
    gap: 12px;
    overflow: hidden;
    padding: 14px;
  }

  .brand-mark {
    height: 42px;
    width: 42px;
  }

  .brand-block h1 {
    font-size: 1.05rem;
    line-height: 1.1;
  }

  .topbar,
  .top-actions,
  .phrase-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .chat-form {
    display: flex;
    flex-direction: column;
  }

  .top-actions {
    width: 100%;
  }

  .goal-select,
  .ghost-button {
    justify-content: space-between;
    width: 100%;
  }

  .goal-select {
    display: grid;
    gap: 8px;
  }

  .goal-select select {
    min-width: 0;
    width: 100%;
  }

  .nav-stack {
    display: flex;
    gap: 8px;
    margin-inline: -2px;
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    padding: 2px 2px 6px;
    scrollbar-width: thin;
    width: 100%;
  }

  .nav-button {
    flex: 0 0 86px;
    gap: 6px;
    min-height: 72px;
    padding: 8px 6px;
  }

  .nav-button span {
    height: 32px;
    width: 32px;
  }

  .nav-button b {
    font-size: 0.78rem;
    line-height: 1.15;
  }

  .lesson-grid,
  .hub-grid,
  .hub-stats,
  .culture-grid,
  .trust-grid,
  .dictionary-card-grid,
  .dictionary-filters,
  .admin-queues,
  .module-grid,
  .phrase-grid,
  .source-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

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

  .home-hero {
    max-width: 100%;
    min-width: 0;
    padding: 20px;
    width: 100%;
  }

  .home-hero h3 {
    font-size: clamp(2rem, 11vw, 2.7rem);
    max-width: 100%;
  }

  .home-hero-copy {
    min-height: 0;
  }

  .hero-actions .primary-button,
  .hero-actions .ghost-button {
    width: 100%;
  }

  .language-facts-card {
    align-self: stretch;
  }

  .dictionary-card-head,
  .meaning-grid,
  .submission-card {
    grid-template-columns: 1fr;
  }

  .story-line {
    grid-template-columns: 1fr;
  }

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

  .studio-strip {
    padding: 18px;
  }

  .flash-stage {
    min-height: 240px;
  }

  .keyboard-welcome {
    align-items: stretch;
    padding: 18px;
  }

  .keyboard-mode-toggle {
    width: 100%;
  }

  .compact-mode-toggle {
    flex: none;
  }

  .keyboard-mode-toggle button {
    flex: 1;
  }

  .keyboard-welcome {
    display: none;
  }

  .keyboard-editor-actions {
    justify-content: stretch;
  }

  .keyboard-editor-actions .compact-button {
    flex: 1;
  }

  .keyboard-surface {
    border-radius: 20px;
    gap: 10px;
    margin-inline: -4px;
    padding: 14px;
  }

  .keyboard-surface-top,
  .keyboard-suggestion-line,
  .keyboard-fast-line,
  .keyboard-row {
    gap: 5px;
  }

  .keyboard-surface-top {
    align-items: flex-start;
    gap: 8px;
  }

  .keyboard-learning-toggle,
  .keyboard-surface-top strong,
  .keyboard-suggestion-line span,
  .keyboard-suggestion-line button {
    font-size: 0.74rem;
  }

  .keyboard-key {
    font-size: 0.78rem;
    min-height: 30px;
    padding: 3px 2px;
  }

  .keyboard-row-2 {
    padding-inline: 8px;
  }

  .keyboard-row-3 {
    padding-inline: 0;
  }

  .mode-key,
  .globe-key,
  .enter-key {
    flex-basis: 42px;
  }

  .space-key {
    flex-basis: 92px;
  }
}