:root {
  --gr-bg: #53190f;
  --gr-card: rgba(255, 251, 245, 0.95);
  --gr-card-soft: rgba(255, 246, 234, 0.9);
  --gr-line: rgba(120, 74, 35, 0.18);
  --gr-ink: #2f1a13;
  --gr-muted: #6d5546;
  --gr-accent: #9b4f1e;
  --gr-accent-deep: #6a2f12;
  --gr-radius: 28px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--gr-ink);
  background:
    linear-gradient(180deg, rgba(57, 14, 8, 0.78), rgba(57, 14, 8, 0.9)),
    url('./gurukulam-background.png') center/cover fixed no-repeat;
}

.grantha-shell {
  width: min(1440px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.grantha-header,
.grantha-section,
.grantha-workbench {
  background: linear-gradient(135deg, rgba(255, 251, 245, 0.95), rgba(246, 230, 212, 0.9));
  border: 1px solid rgba(255, 231, 196, 0.36);
  border-radius: var(--gr-radius);
  box-shadow: 0 22px 56px rgba(24, 5, 4, 0.18);
}

.grantha-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 24px 28px;
  margin-bottom: 28px;
}

.grantha-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.grantha-brand img {
  width: 78px;
  height: 78px;
  object-fit: contain;
}

.grantha-eyebrow {
  margin: 0 0 6px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--gr-accent);
}

.grantha-brand h1,
.grantha-section h2,
.grantha-workbench h2 {
  margin: 0;
  font-family: 'Noto Serif Telugu', serif;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.1;
}

.grantha-brand p,
.grantha-copy p,
.grantha-section-copy,
.grantha-note,
.grantha-field-help,
.grantha-status,
.grantha-export-note {
  color: var(--gr-muted);
}

.grantha-link,
.grantha-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
}

.grantha-link {
  color: var(--gr-accent-deep);
  border: 1px solid rgba(155, 79, 30, 0.18);
  background: rgba(255, 248, 237, 0.92);
}

.grantha-main {
  display: grid;
  gap: 24px;
}

.grantha-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 20px;
}

.grantha-section,
.grantha-workbench {
  padding: 28px;
}

.grantha-feature-grid,
.grantha-stage-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.grantha-card {
  padding: 18px;
  border-radius: 22px;
  background: var(--gr-card);
  border: 1px solid var(--gr-line);
}

.grantha-card strong {
  display: block;
  margin-bottom: 8px;
}

.grantha-hero-side {
  display: grid;
  gap: 16px;
}

.grantha-hero-stat {
  display: grid;
  gap: 8px;
  padding: 20px;
  border-radius: 24px;
  background: linear-gradient(160deg, rgba(155, 79, 30, 0.96), rgba(95, 44, 17, 0.96));
  color: #fff5e7;
}

.grantha-hero-stat strong {
  font-size: 2rem;
}

.grantha-workbench-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.9fr) minmax(0, 1.1fr);
  gap: 20px;
  margin-top: 18px;
}

.grantha-panel {
  padding: 20px;
  border-radius: 24px;
  background: var(--gr-card);
  border: 1px solid var(--gr-line);
}

.grantha-panel h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.grantha-upload-box {
  display: grid;
  gap: 14px;
}

.grantha-file-input {
  width: 100%;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--gr-line);
  background: rgba(255, 255, 255, 0.85);
}

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

.grantha-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 14px;
  border-radius: 18px;
  background: var(--gr-card-soft);
  border: 1px solid var(--gr-line);
}

.grantha-mode-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.grantha-mode-option {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--gr-card-soft);
  border: 1px solid var(--gr-line);
  color: var(--gr-ink);
}

.grantha-preview {
  display: grid;
  place-items: center;
  min-height: 320px;
  border-radius: 22px;
  border: 1px dashed rgba(120, 74, 35, 0.28);
  background: rgba(255, 249, 239, 0.84);
  overflow: hidden;
}

.grantha-preview img {
  max-width: 100%;
  max-height: 520px;
  object-fit: contain;
}

.grantha-preview-placeholder {
  padding: 24px;
  text-align: center;
  color: var(--gr-muted);
}

.grantha-actions,
.grantha-export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.grantha-audio-player {
  width: 100%;
  margin-top: 12px;
}

.grantha-audio-note {
  margin: 10px 0 0;
  color: var(--gr-muted);
  font-size: 0.92rem;
}

.grantha-button {
  border: 0;
  cursor: pointer;
}

.grantha-button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.grantha-button-primary {
  background: var(--gr-accent);
  color: #fff8ef;
}

.grantha-button-secondary {
  background: rgba(255, 248, 237, 0.95);
  color: var(--gr-accent-deep);
  border: 1px solid rgba(155, 79, 30, 0.18);
}

.grantha-editor {
  width: 100%;
  min-height: 240px;
  resize: vertical;
  padding: 16px;
  border-radius: 20px;
  border: 1px solid var(--gr-line);
  background: rgba(255, 255, 255, 0.88);
  font: inherit;
  line-height: 1.7;
}

.grantha-lipi-box {
  display: grid;
  gap: 12px;
  margin-top: 18px;
  padding: 16px;
  border-radius: 18px;
  background: var(--gr-card-soft);
  border: 1px solid var(--gr-line);
}

.grantha-lipi-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  color: var(--gr-muted);
}

.grantha-lipi-head strong {
  color: var(--gr-ink);
}

.grantha-lipi-input,
.grantha-lipi-output {
  width: 100%;
  min-height: 110px;
  resize: vertical;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--gr-line);
  background: rgba(255, 255, 255, 0.88);
  font: inherit;
  line-height: 1.6;
}

.grantha-ai-box {
  display: grid;
  gap: 12px;
  margin-top: 18px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 250, 242, 0.95);
  border: 1px solid var(--gr-line);
}

.grantha-ai-result {
  min-height: 220px;
}

.grantha-lines {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.grantha-line-item {
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--gr-card-soft);
  border: 1px solid var(--gr-line);
}

.grantha-line-item strong {
  display: block;
  margin-bottom: 6px;
}

.grantha-line-item p {
  margin: 0;
  color: var(--gr-muted);
}

@media (max-width: 1100px) {
  .grantha-hero,
  .grantha-workbench-grid,
  .grantha-feature-grid,
  .grantha-stage-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .grantha-shell {
    width: min(100vw - 20px, 100%);
    padding-top: 16px;
  }

  .grantha-header,
  .grantha-section,
  .grantha-workbench {
    padding: 20px;
  }

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

  .grantha-toggle-grid {
    grid-template-columns: 1fr;
  }
}

.grantha-progress-shell {
  display: grid;
  gap: 8px;
}

.grantha-progress-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(155, 79, 30, 0.12);
}

.grantha-progress-bar {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #c8742b, #8c3d18);
  transition: width 180ms ease;
}

.grantha-progress-label {
  margin: 0;
  color: var(--gr-muted);
  font-size: 0.92rem;
}