:root {
  --br-bg: #f7efdf;
  --br-ink: #2f2418;
  --br-muted: #6e6252;
  --br-accent: #9b4f1e;
  --br-accent-deep: #5f2c11;
  --br-accent-soft: #f3d9b4;
  --br-surface: rgba(255, 251, 243, 0.92);
  --br-card: rgba(255, 248, 235, 0.92);
  --br-line: rgba(112, 74, 39, 0.14);
  --br-shadow: 0 20px 44px rgba(55, 22, 9, 0.16);
  --br-radius-lg: 28px;
  --br-radius-md: 20px;
  --br-radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--br-ink);
  font-family: 'Plus Jakarta Sans', sans-serif;
  background:
    radial-gradient(circle at top, rgba(255, 219, 110, 0.38), transparent 22%),
    linear-gradient(180deg, rgba(122, 37, 12, 0.08), rgba(91, 21, 13, 0.12)),
    url('./gurukulam-background.png') center top / min(680px, 92vw) auto no-repeat,
    linear-gradient(180deg, #fff7e7 0%, #ecd5bb 100%);
}

body[data-language="te"] {
  font-family: 'Noto Serif Telugu', serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.bhaasha-shell {
  width: min(1320px, calc(100% - 36px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.bhaasha-header {
  position: sticky;
  top: 14px;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 16px 22px;
  border: 1px solid rgba(255, 231, 191, 0.45);
  border-radius: 24px;
  background: rgba(255, 250, 243, 0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 42px rgba(34, 11, 5, 0.18);
}

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

.bhaasha-brand img {
  width: 64px;
  height: 64px;
  object-fit: contain;
}

.bhaasha-brand-text {
  display: grid;
  gap: 4px;
}

.bhaasha-eyebrow {
  margin: 0;
  color: var(--br-accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
}

body[data-language="te"] .bhaasha-eyebrow {
  letter-spacing: 0.04em;
}

.bhaasha-brand-text h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

.bhaasha-brand-text p {
  margin: 0;
  color: var(--br-muted);
  font-size: 0.96rem;
}

.bhaasha-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--br-line);
  background: rgba(255, 247, 232, 0.95);
  color: var(--br-accent-deep);
  font-weight: 700;
}

.bhaasha-main {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

.bhaasha-section,
.bhaasha-hero {
  border: 1px solid rgba(255, 229, 186, 0.42);
  border-radius: var(--br-radius-lg);
  background:
    linear-gradient(150deg, rgba(255, 251, 243, 0.9), rgba(255, 241, 216, 0.7));
  box-shadow: var(--br-shadow);
  overflow: hidden;
}

.bhaasha-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 20px;
  padding: clamp(24px, 3vw, 34px);
}

.bhaasha-hero-copy {
  display: grid;
  gap: 14px;
  align-content: start;
}

.bhaasha-hero-copy h2 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.4rem);
  line-height: 1.03;
}

.bhaasha-hero-copy p {
  margin: 0;
  color: var(--br-muted);
  line-height: 1.72;
  font-size: 1rem;
}

.bhaasha-principles {
  display: grid;
  gap: 14px;
}

.bhaasha-principle {
  padding: 18px;
  border-radius: var(--br-radius-md);
  background: rgba(255, 249, 240, 0.92);
  border: 1px solid var(--br-line);
}

.bhaasha-principle strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.04rem;
}

.bhaasha-principle p {
  margin: 0;
  color: var(--br-muted);
  line-height: 1.6;
}

.bhaasha-section {
  padding: 28px;
}

.bhaasha-section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.bhaasha-section-heading h3 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.7rem);
}

.bhaasha-section-heading p {
  margin: 0;
  color: var(--br-muted);
  line-height: 1.7;
}

.level-grid,
.letter-grid,
.quiz-options,
.builder-parts,
.builder-bank,
.reward-grid {
  display: grid;
  gap: 14px;
}

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

.level-card,
.letter-card,
.quiz-option,
.builder-chip,
.reward-card,
.trace-card {
  border: 1px solid var(--br-line);
  border-radius: var(--br-radius-md);
  background: rgba(255, 252, 246, 0.94);
}

.level-card {
  padding: 18px;
}

.level-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.12rem;
}

.level-card span {
  display: block;
  color: var(--br-accent);
  font-weight: 700;
  margin-bottom: 8px;
}

.level-card p {
  margin: 0;
  color: var(--br-muted);
  line-height: 1.6;
}

.studio-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 18px;
}

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

.letter-card {
  display: grid;
  gap: 6px;
  justify-items: center;
  padding: 14px 10px;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}

.letter-card:hover,
.quiz-option:hover,
.builder-chip:hover {
  transform: translateY(-1px);
}

.letter-card.is-active {
  border-color: rgba(155, 79, 30, 0.45);
  box-shadow: 0 0 0 3px rgba(155, 79, 30, 0.12);
}

.letter-symbol {
  font-family: 'Noto Serif Telugu', serif;
  font-size: 2rem;
  line-height: 1;
}

.letter-bridge {
  color: var(--br-accent);
  font-weight: 800;
}

.focus-card {
  display: grid;
  grid-template-columns: minmax(120px, 180px) 1fr;
  gap: 18px;
  padding: 20px;
  border-radius: var(--br-radius-lg);
  background:
    linear-gradient(160deg, rgba(155, 79, 30, 0.96), rgba(95, 44, 17, 0.96));
  color: #fff8ef;
}

.focus-symbol-wrap {
  display: grid;
  place-items: center;
  border-radius: 24px;
  background: rgba(255, 245, 226, 0.12);
  border: 1px solid rgba(255, 223, 180, 0.18);
}

.focus-symbol {
  font-family: 'Noto Serif Telugu', serif;
  font-size: clamp(4rem, 8vw, 6rem);
  line-height: 1;
}

.focus-details {
  display: grid;
  gap: 10px;
  align-content: start;
}

.focus-bridge {
  color: #f6d8b7;
  font-weight: 800;
}

.focus-details h4 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
}

.focus-details p {
  margin: 0;
  color: rgba(255, 247, 237, 0.86);
  line-height: 1.7;
}

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

.bhaasha-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.bhaasha-button-primary {
  background: #fff7ec;
  color: var(--br-accent-deep);
}

.bhaasha-button-secondary {
  background: rgba(255, 247, 236, 0.16);
  color: #fff7ec;
  border: 1px solid rgba(255, 231, 196, 0.24);
}

.play-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.quiz-card,
.builder-card,
.trace-card {
  padding: 20px;
}

.quiz-card h4,
.builder-card h4,
.trace-card h4 {
  margin: 0 0 8px;
  font-size: 1.18rem;
}

.quiz-prompt,
.builder-card p,
.trace-card p {
  margin: 0 0 14px;
  color: var(--br-muted);
  line-height: 1.65;
}

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

.quiz-option,
.builder-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 14px;
  font: inherit;
  cursor: pointer;
  color: var(--br-ink);
  font-family: 'Noto Serif Telugu', serif;
  font-size: 1.3rem;
  font-weight: 700;
}

.quiz-option.is-correct,
.builder-chip.is-correct {
  border-color: rgba(58, 131, 79, 0.45);
  background: rgba(223, 246, 226, 0.92);
}

.quiz-option.is-wrong,
.builder-chip.is-wrong {
  border-color: rgba(176, 63, 54, 0.45);
  background: rgba(255, 229, 223, 0.92);
}

.quiz-feedback,
.builder-feedback,
.trace-feedback,
.bhaasha-status {
  min-height: 24px;
  color: var(--br-accent);
  font-weight: 700;
}

.builder-target {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.builder-emoji {
  font-size: 2rem;
}

.builder-picture {
  display: grid;
  place-items: center;
  min-width: 88px;
  min-height: 88px;
  border-radius: 22px;
  background: rgba(255, 247, 232, 0.92);
  border: 1px solid rgba(141, 75, 32, 0.14);
  font-size: 3rem;
}

.builder-word-meta strong {
  display: block;
  font-size: 1.1rem;
}

.builder-word-meta span {
  color: var(--br-muted);
}

.builder-parts {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 14px;
}

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

.builder-assembled {
  min-height: 60px;
  margin-bottom: 14px;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px dashed rgba(112, 74, 39, 0.28);
  background: rgba(255, 249, 238, 0.88);
  font-family: 'Noto Serif Telugu', serif;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
}

.builder-score-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.trace-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 18px;
  align-items: start;
}

.trace-targets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.trace-target {
  min-height: 62px;
  border: 1px solid var(--br-line);
  border-radius: 16px;
  background: rgba(255, 252, 246, 0.96);
  font-family: 'Noto Serif Telugu', serif;
  font-size: 1.5rem;
  cursor: pointer;
}

.trace-target.is-active {
  border-color: rgba(155, 79, 30, 0.45);
  box-shadow: 0 0 0 3px rgba(155, 79, 30, 0.12);
}

.trace-stage {
  padding: 16px;
  border-radius: 24px;
  background: rgba(255, 252, 247, 0.95);
  border: 1px solid var(--br-line);
}

.trace-color-palette {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.trace-color-swatch {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 2px solid rgba(112, 74, 39, 0.18);
  background: var(--trace-swatch);
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}

.trace-color-swatch:hover {
  transform: translateY(-1px);
}

.trace-color-swatch.is-active {
  border-color: rgba(112, 74, 39, 0.8);
  box-shadow: 0 0 0 3px rgba(112, 74, 39, 0.14);
}

.trace-canvas-wrap {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 248, 234, 0.95), rgba(249, 238, 218, 0.95));
  border: 1px solid rgba(112, 74, 39, 0.15);
}

.trace-guide {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  font-family: 'Noto Serif Telugu', serif;
  font-size: clamp(10rem, 20vw, 15rem);
  color: rgba(155, 79, 30, 0.12);
}

#traceCanvas {
  width: 100%;
  height: auto;
  display: block;
  touch-action: none;
}

.trace-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

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

.reward-card {
  padding: 20px;
}

.reward-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.14rem;
}

.reward-card p {
  margin: 0;
  color: var(--br-muted);
  line-height: 1.65;
}

@media (max-width: 1080px) {
  .bhaasha-hero,
  .studio-grid,
  .play-grid,
  .trace-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .bhaasha-shell {
    width: min(100% - 18px, 100%);
    padding-top: 12px;
  }

  .bhaasha-header,
  .bhaasha-section,
  .bhaasha-hero {
    padding: 20px;
    border-radius: 22px;
  }

  .bhaasha-header {
    position: static;
    flex-direction: column;
    align-items: flex-start;
  }

  .level-grid,
  .letter-grid,
  .quiz-options,
  .builder-parts,
  .builder-bank,
  .reward-grid,
  .trace-targets {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .focus-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .level-grid,
  .letter-grid,
  .quiz-options,
  .builder-parts,
  .builder-bank,
  .reward-grid,
  .trace-targets {
    grid-template-columns: 1fr;
  }

  .bhaasha-button,
  .bhaasha-link {
    width: 100%;
  }
}