:root {
  color-scheme: light;
  --ink: #24313d;
  --muted: #66717e;
  --paper: #fffef9;
  --sky: #d8f3ff;
  --coral: #ff6f61;
  --leaf: #5eb85e;
  --sun: #ffd166;
  --teal: #2ab7a9;
  --blue: #3977d6;
  --shadow: 0 12px 34px rgba(36, 49, 61, 0.14);
}

* {
  box-sizing: border-box;
}

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

body {
  min-width: 320px;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-rounded, "SF Pro Rounded", "Segoe UI", system-ui, -apple-system,
    BlinkMacSystemFont, sans-serif;
}

button {
  border: 0;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

input,
select {
  color: inherit;
  font: inherit;
}

.is-hidden {
  display: none !important;
}

.app-shell {
  width: 100vw;
  height: 100dvh;
  min-height: 480px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(42, 183, 169, 0.1), transparent 35%, rgba(255, 209, 102, 0.15)),
    var(--paper);
}

.landing-view {
  position: relative;
  display: grid;
  min-height: 100%;
  overflow: hidden;
  place-items: center;
  padding:
    max(18px, env(safe-area-inset-top))
    clamp(16px, 5vw, 42px)
    max(18px, env(safe-area-inset-bottom));
  background:
    linear-gradient(180deg, rgba(216, 243, 255, 0.8), rgba(255, 254, 249, 0.92) 54%, rgba(232, 247, 223, 0.9)),
    var(--paper);
}

.landing-art {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.landing-letter,
.landing-shape {
  position: absolute;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
}

.landing-letter {
  width: clamp(82px, 18vw, 148px);
  height: clamp(82px, 18vw, 148px);
  border-radius: 8px;
  color: #fff;
  font-size: clamp(3rem, 10vw, 6.8rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1;
}

.landing-letter-a {
  top: 9%;
  left: 8%;
  background: var(--coral);
  transform: rotate(-10deg);
}

.landing-letter-b {
  right: 9%;
  bottom: 13%;
  background: var(--blue);
  transform: rotate(8deg);
}

.landing-letter-c {
  right: 16%;
  top: 10%;
  background: var(--leaf);
  transform: rotate(12deg);
}

.landing-shape-circle {
  left: 14%;
  bottom: 12%;
  width: clamp(54px, 12vw, 96px);
  height: clamp(54px, 12vw, 96px);
  border-radius: 50%;
  background: var(--sun);
}

.landing-shape-square {
  right: 32%;
  bottom: 8%;
  width: clamp(44px, 9vw, 74px);
  height: clamp(44px, 9vw, 74px);
  border-radius: 8px;
  background: var(--teal);
  transform: rotate(-14deg);
}

.landing-panel {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(560px, 100%);
  gap: 18px;
  padding: clamp(20px, 5vw, 36px);
  border: 1px solid rgba(36, 49, 61, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.landing-title {
  margin: -6px 0 0;
  color: var(--ink);
  font-size: clamp(2.35rem, 9vw, 4.8rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 0.98;
}

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

.learner-card {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  min-height: 84px;
  padding: 10px;
  border: 1px solid rgba(36, 49, 61, 0.1);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 22px rgba(36, 49, 61, 0.1);
  text-align: left;
}

.learner-avatar {
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  border-radius: 50%;
  background: var(--coral);
  color: #fff;
  font-size: 2rem;
  font-weight: 950;
  letter-spacing: 0;
}

.learner-card:nth-child(2n) .learner-avatar {
  background: var(--blue);
}

.learner-card:nth-child(3n) .learner-avatar {
  background: var(--teal);
}

.learner-card-text {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.learner-card-text strong {
  overflow-wrap: anywhere;
  font-size: clamp(1.3rem, 5vw, 2rem);
  font-weight: 950;
  letter-spacing: 0;
}

.learner-card-text span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 850;
}

.learner-form {
  display: grid;
  gap: 12px;
}

.landing-field input {
  min-height: 56px;
  font-size: 1.15rem;
}

.start-button,
.google-button {
  min-height: 56px;
}

.google-button {
  border: 1px solid rgba(36, 49, 61, 0.12);
  border-radius: 999px;
  background: rgba(36, 49, 61, 0.06);
  color: rgba(36, 49, 61, 0.58);
  font-size: 0.95rem;
  font-weight: 900;
  cursor: not-allowed;
}

.catalog-view {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: clamp(18px, 4vw, 30px);
  width: 100%;
  height: 100%;
  overflow: auto;
  padding:
    max(18px, env(safe-area-inset-top))
    clamp(16px, 5vw, 42px)
    max(18px, env(safe-area-inset-bottom));
}

.catalog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(1120px, 100%);
  margin-inline: auto;
}

.catalog-kicker,
.profile-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.catalog-title {
  max-width: 760px;
  margin: 2px 0 0;
  color: var(--ink);
  font-size: clamp(2.6rem, 8vw, 5.4rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 0.96;
}

.settings-button,
.continue-button,
.primary-button,
.secondary-button,
.close-button,
.back-button {
  min-height: 44px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 900;
}

.settings-button,
.continue-button,
.primary-button {
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow);
}

.settings-button {
  padding: 0 18px;
  background: #fff;
  color: var(--ink);
}

.profile-strip {
  display: flex;
  justify-content: center;
  width: min(1120px, 100%);
  margin-inline: auto;
}

.profile-value {
  margin: 1px 0 0;
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  font-weight: 950;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.continue-button {
  min-width: min(320px, 100%);
  min-height: 58px;
  padding: 0 28px;
  background: var(--leaf);
  font-size: 1.1rem;
}

.category-grid {
  display: grid;
  grid-template-columns: 1fr;
  align-content: start;
  gap: clamp(14px, 3vw, 22px);
  width: min(1120px, 100%);
  margin-inline: auto;
}

.category-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(92px, 0.42fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(16px, 4vw, 28px);
  min-height: clamp(176px, 24vw, 230px);
  padding: clamp(16px, 4vw, 28px);
  border: 1px solid rgba(36, 49, 61, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0), #fff 58%),
    #fff;
  box-shadow: 0 8px 24px rgba(36, 49, 61, 0.1);
  text-align: left;
}

.category-card:active {
  transform: scale(0.98);
}

.category-card:disabled {
  cursor: default;
  opacity: 0.72;
}

.category-token {
  display: grid;
  width: clamp(82px, 16vw, 140px);
  height: clamp(82px, 16vw, 140px);
  place-items: center;
  border-radius: 8px;
  background: var(--category-color, var(--sun));
  color: #fff;
  box-shadow: 0 10px 26px rgba(36, 49, 61, 0.16);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1;
  text-align: center;
}

.category-name {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: clamp(1.7rem, 5vw, 3rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1;
}

.category-description {
  display: -webkit-box;
  max-width: 100%;
  overflow: hidden;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 2.4vw, 1.18rem);
  font-weight: 800;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.category-meta {
  display: none;
}

.status-pill {
  display: none;
}

@media (min-width: 700px) {
  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-card {
    grid-template-columns: 1fr;
    align-content: space-between;
    align-items: start;
    min-height: 320px;
  }
}

@media (min-width: 1080px) {
  .category-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .category-card {
    min-height: 300px;
  }

  .category-token {
    width: clamp(96px, 12vw, 128px);
    height: clamp(96px, 12vw, 128px);
    font-size: clamp(2.4rem, 4.6vw, 3.5rem);
  }

  .category-name {
    font-size: clamp(1.9rem, 3.8vw, 2.55rem);
  }

  .category-description {
    font-size: 1rem;
  }
}

.book-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: 100vw;
  height: 100dvh;
  min-height: 480px;
  background:
    linear-gradient(90deg, rgba(42, 183, 169, 0.1), transparent 35%, rgba(255, 209, 102, 0.15)),
    var(--paper);
}

.letter-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, auto);
  align-items: center;
  gap: clamp(10px, 3vw, 18px);
  padding: max(10px, env(safe-area-inset-top)) clamp(12px, 4vw, 28px) 8px;
}

.letter-label,
.word-prefix {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

#letter-title {
  margin: -4px 0 0;
  color: var(--coral);
  font-size: clamp(3.5rem, 14vw, 7rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 0.88;
}

.word-stack {
  min-width: 0;
  text-align: right;
}

.back-button {
  padding: 0 16px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(36, 49, 61, 0.12);
}

.scene-back-button {
  position: absolute;
  z-index: 3;
  top: 12px;
  left: 12px;
}

.word {
  max-width: 48vw;
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--blue);
  font-size: clamp(1.9rem, 7vw, 4rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 0.98;
}

.mode-select-label {
  display: grid;
  gap: 4px;
  min-width: 118px;
}

.scene-mode-select {
  position: absolute;
  z-index: 3;
  top: 12px;
  right: 94px;
}

.mode-select-label span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.mode-select-label select {
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  padding: 0 36px 0 14px;
  box-shadow: var(--shadow);
  font-size: 0.95rem;
  font-weight: 950;
}

.mode-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
  overflow-x: auto;
  padding: 0 clamp(16px, 5vw, 40px) 10px;
}

.mode-button {
  min-width: 92px;
  min-height: 42px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 6px 18px rgba(36, 49, 61, 0.1);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 950;
}

.mode-button[aria-current="true"] {
  background: var(--ink);
  color: #fff;
}

.scene-section {
  position: relative;
  min-height: 0;
  border-block: 1px solid rgba(36, 49, 61, 0.08);
  background:
    linear-gradient(180deg, var(--sky), #f9fffb 68%, #e8f7df);
}

.reveal-panel {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  display: grid;
  width: min(420px, calc(100% - 32px));
  justify-items: center;
  gap: 10px;
  transform: translate(-50%, -50%);
  padding: 18px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  text-align: center;
}

.find-panel,
.match-panel {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 66px;
  display: grid;
  width: min(460px, calc(100% - 32px));
  justify-items: center;
  gap: 4px;
  transform: translateX(-50%);
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  pointer-events: none;
  text-align: center;
}

.count-panel {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 66px;
  display: grid;
  width: min(420px, calc(100% - 32px));
  justify-items: center;
  gap: 4px;
  transform: translateX(-50%);
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  pointer-events: none;
  text-align: center;
}

.count-kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

.count-prompt {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.25rem, 5vw, 2rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1.08;
}

.count-feedback {
  min-height: 1.2em;
  margin: 0;
  color: var(--blue);
  font-size: 0.96rem;
  font-weight: 950;
}

.find-kicker,
.match-kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

.find-prompt,
.match-prompt {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.25rem, 5vw, 2rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1.08;
}

.find-feedback,
.match-feedback {
  min-height: 1.2em;
  margin: 0;
  color: var(--blue);
  font-size: 0.96rem;
  font-weight: 950;
}

.reveal-kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.reveal-prompt {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.4rem, 6vw, 2.6rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1.05;
}

.reveal-button {
  min-width: 120px;
  min-height: 48px;
  border-radius: 999px;
  background: var(--ink);
  box-shadow: var(--shadow);
  color: #fff;
  font-size: 1rem;
  font-weight: 950;
}

.property-panel {
  position: absolute;
  z-index: 2;
  right: 14px;
  bottom: 76px;
  display: grid;
  gap: 8px;
  padding: 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.property-toggle {
  position: absolute;
  z-index: 3;
  right: 14px;
  bottom: 14px;
  min-width: 82px;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  background: #fff;
  box-shadow: var(--shadow);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 950;
}

.property-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

.property-options {
  display: flex;
  gap: 8px;
}

.color-swatch {
  width: 38px;
  height: 38px;
  border: 4px solid #fff;
  border-radius: 50%;
  background: var(--swatch-color);
  box-shadow: 0 5px 14px rgba(36, 49, 61, 0.2);
}

.color-swatch[aria-current="true"] {
  outline: 4px solid var(--ink);
  outline-offset: 2px;
}

.reset-button {
  position: absolute;
  z-index: 3;
  top: 12px;
  right: 12px;
  display: grid;
  min-width: 72px;
  height: 44px;
  padding: 0 12px;
  place-items: center;
  border-radius: 999px;
  background: #fff;
  box-shadow: var(--shadow);
  color: var(--accent, var(--blue));
  font-size: 0.88rem;
  font-weight: 950;
  line-height: 1;
}

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

.completion-status {
  position: absolute;
  z-index: 2;
  top: 64px;
  left: 12px;
  margin: 0;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--leaf);
  box-shadow: var(--shadow);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1;
}

#scene {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: grab;
}

#scene:active {
  cursor: grabbing;
}

.controls {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 52px;
  align-items: center;
  gap: 10px;
  padding: 8px clamp(12px, 4vw, 24px) max(8px, env(safe-area-inset-bottom));
  background: rgba(255, 254, 249, 0.92);
  box-shadow: 0 -12px 28px rgba(36, 49, 61, 0.08);
}

.nav-button {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: var(--shadow);
  color: #fff;
  font-size: 2.7rem;
  font-weight: 800;
  line-height: 1;
}

.nav-button:focus-visible,
.reset-button:focus-visible,
.dot:focus-visible,
.mode-button:focus-visible,
.reveal-button:focus-visible,
.color-swatch:focus-visible,
.property-toggle:focus-visible,
.learner-card:focus-visible,
.settings-button:focus-visible,
.continue-button:focus-visible,
.start-button:focus-visible,
.google-button:focus-visible,
.category-card:focus-visible,
.back-button:focus-visible,
.primary-button:focus-visible,
.secondary-button:focus-visible,
.close-button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 4px solid var(--sun);
  outline-offset: 3px;
}

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

.letter-progress {
  display: grid;
  justify-items: center;
  gap: 2px;
  min-width: 0;
}

.letter-dots {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  width: 100%;
  min-width: 0;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  padding: 4px;
  scrollbar-width: none;
}

.letter-dots::-webkit-scrollbar {
  display: none;
}

.progress-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0;
}

.dot {
  position: relative;
  flex: 0 0 auto;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 8px 22px rgba(36, 49, 61, 0.12);
  color: var(--ink);
  font-size: 1.16rem;
  font-weight: 950;
}

.dot[aria-current="true"] {
  background: var(--sun);
  color: #342800;
  transform: translateY(-3px);
}

.dot[data-completed="true"]::after {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 13px;
  height: 13px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--leaf);
  content: "";
}

.settings-modal {
  position: fixed;
  z-index: 10;
  inset: 0;
  display: grid;
  place-items: center;
  padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
  background: rgba(36, 49, 61, 0.42);
}

.settings-panel {
  display: grid;
  gap: 16px;
  width: min(620px, 100%);
  max-height: min(760px, 92dvh);
  overflow: auto;
  padding: 18px;
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 24px 60px rgba(36, 49, 61, 0.28);
}

.settings-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
}

.profile-manager {
  display: grid;
  gap: 12px;
  border: 1px solid rgba(36, 49, 61, 0.12);
  border-radius: 8px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.62);
}

.profile-manager-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.profile-manager-name {
  font-size: 1.25rem;
}

.profile-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.profile-tab {
  flex: 0 0 auto;
  min-height: 40px;
  max-width: 190px;
  overflow: hidden;
  padding: 0 14px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 5px 16px rgba(36, 49, 61, 0.1);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.profile-tab[aria-current="true"] {
  background: var(--sun);
  color: #342800;
}

.settings-header h2 {
  margin: 2px 0 0;
  color: var(--ink);
  font-size: clamp(1.8rem, 6vw, 3rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1;
}

.close-button,
.secondary-button {
  padding: 0 16px;
  background: #fff;
  box-shadow: 0 6px 18px rgba(36, 49, 61, 0.1);
}

.danger-button {
  color: #a6372e;
}

.field {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-weight: 900;
}

.field input,
.field select {
  min-height: 48px;
  width: 100%;
  border: 1px solid rgba(36, 49, 61, 0.16);
  border-radius: 8px;
  background: #fff;
  padding: 0 12px;
  font-weight: 750;
}

.category-settings {
  display: grid;
  gap: 10px;
  min-width: 0;
  margin: 0;
  border: 1px solid rgba(36, 49, 61, 0.12);
  border-radius: 8px;
  padding: 12px;
}

.category-settings legend {
  padding: 0 6px;
  font-weight: 950;
}

.category-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 8px;
}

.toggle-row,
.category-option {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  border-radius: 8px;
  color: var(--ink);
  font-weight: 850;
}

.category-option {
  padding: 8px 10px;
  background: #fff;
  box-shadow: 0 4px 14px rgba(36, 49, 61, 0.08);
}

.toggle-row input,
.category-option input {
  width: 20px;
  height: 20px;
  accent-color: var(--blue);
}

.settings-actions {
  display: flex;
  justify-content: end;
  gap: 10px;
}

.primary-button,
.secondary-button {
  padding: 0 20px;
}

@media (max-width: 560px) {
  .landing-view {
    place-items: stretch;
  }

  .landing-panel {
    align-self: center;
  }

  .landing-letter-c {
    display: none;
  }

  .landing-letter-a {
    top: 3%;
    left: -20px;
  }

  .landing-letter-b {
    right: -18px;
    bottom: 4%;
  }

  .catalog-view {
    padding-inline: 14px;
  }

  .catalog-header {
    align-items: center;
  }

  .catalog-title {
    font-size: clamp(2.1rem, 10vw, 3rem);
  }

  .settings-button {
    padding: 0 12px;
  }

  .continue-button {
    width: 100%;
  }

  .profile-manager-header {
    display: grid;
  }

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

  .category-card {
    min-height: 176px;
  }

  .book-shell {
    min-height: 420px;
  }

  .letter-panel {
    grid-template-columns: minmax(0, 0.68fr) minmax(0, 1fr);
    padding-inline: 12px;
    gap: 10px;
  }

  .scene-back-button,
  .reset-button,
  .scene-mode-select select,
  .property-toggle {
    min-height: 40px;
    padding-inline: 11px;
    font-size: 0.82rem;
  }

  .scene-mode-select {
    top: 58px;
    right: 12px;
    min-width: 112px;
  }

  .controls {
    grid-template-columns: 52px minmax(0, 1fr) 52px;
    gap: 6px;
    padding-inline: 12px;
  }

  .nav-button {
    width: 52px;
    height: 52px;
    font-size: 3rem;
  }

  .letter-dots {
    gap: 6px;
  }

  .dot {
    width: 40px;
    height: 40px;
    font-size: 1.05rem;
  }

  .settings-panel {
    padding: 14px;
  }

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

@media (max-height: 620px) {
  .letter-panel {
    padding-block: 10px 8px;
  }

  #letter-title {
    font-size: clamp(3.8rem, 18vw, 7rem);
  }

  .word {
    font-size: clamp(1.8rem, 8vw, 4rem);
  }

  .controls {
    padding-block: 8px;
  }

  .nav-button,
  .dot {
    width: 48px;
    height: 48px;
  }
}