:root {
  --page: #ffffff;
  --paper: #ffffff;
  --paper-soft: #fcfbfa;
  --paper-tint: #f7f4f2;
  --ink: #181311;
  --muted: #5e5552;
  --line: #e7ddd0;
  --line-strong: #ddd2c6;
  --red: #c51d1d;
  --red-deep: #a31313;
  --navy: #133f8a;
  --blush: #f5d7cf;
  --mist: #eef3fb;
  --shadow: 0 22px 50px rgba(24, 19, 17, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  background:
    radial-gradient(circle at top left, rgba(197, 29, 29, 0.04), transparent 18%),
    radial-gradient(circle at top right, rgba(19, 63, 138, 0.06), transparent 22%),
    linear-gradient(180deg, #ffffff 0%, #fffdfb 100%);
  color: var(--ink);
  font-family: "Avenir Next", "Trebuchet MS", sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
}

body.editor-page {
  height: 100vh;
  overflow: hidden;
}

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

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

.shell {
  width: min(1300px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.1rem 0 4rem;
}

.shell-wide {
  width: calc(100% - 2rem);
}

.editor-page .shell-wide {
  height: 100vh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  padding-top: 0.45rem;
  padding-bottom: 0.6rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 0 2.15rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
}

.brand-mark img {
  width: clamp(150px, 18vw, 220px);
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.3rem;
  flex-wrap: wrap;
  font-size: 1.02rem;
}

.nav a {
  position: relative;
  padding-bottom: 0.2rem;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--red), var(--navy));
  opacity: 0;
  transform: scaleX(0.24);
  transform-origin: left center;
  transition: opacity 180ms ease, transform 180ms ease;
}

.nav a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.95rem;
  padding: 0 1.2rem;
  border: 1px solid rgba(197, 29, 29, 0.18);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.92)),
    linear-gradient(135deg, rgba(245, 215, 207, 0.38), rgba(238, 243, 251, 0.24));
  color: var(--navy);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.button:hover {
  background: var(--red);
  border-color: var(--red);
  color: white;
}

.button.button-muted {
  border-color: rgba(19, 63, 138, 0.18);
  color: var(--muted);
}

.button.button-muted:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: white;
}

.hero,
.panel,
.lesson-card,
.account-card,
.editor-panel,
.editor-preview {
  border: 1px solid rgba(19, 63, 138, 0.08);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.92)),
    linear-gradient(135deg, rgba(245, 215, 207, 0.18), rgba(238, 243, 251, 0.14));
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  gap: 1.5rem;
  padding: 2rem;
  border-top: 4px solid rgba(197, 29, 29, 0.75);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
  font-weight: 700;
}

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

h1,
h2,
h3 {
  font-family: "Avenir Next", "Trebuchet MS", sans-serif;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(3rem, 6vw, 5.5rem);
  line-height: 0.94;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  margin-bottom: 0.9rem;
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 0.8rem;
}

p,
li {
  color: var(--muted);
  line-height: 1.75;
}

.lead {
  max-width: 58rem;
  font-size: 1.08rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

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

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

.panel,
.lesson-card,
.account-card {
  padding: 1.5rem;
}

.lesson-card,
.account-card {
  border-top: 3px solid rgba(197, 29, 29, 0.55);
}

.placeholder {
  min-height: 220px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.56)),
    linear-gradient(145deg, rgba(239, 236, 232, 0.96), rgba(227, 221, 216, 0.92));
}

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

.stat {
  font-size: 2.6rem;
  line-height: 1;
  margin-bottom: 0.5rem;
  color: var(--red-deep);
}

.stack {
  display: grid;
  gap: 1rem;
}

.editor-stack {
  min-height: 0;
  gap: 0;
  grid-template-rows: minmax(0, 1fr);
}

.footer {
  padding-top: 2rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.lesson-shell .topbar {
  padding-bottom: 1.1rem;
}

.lesson-shell .brand-mark img {
  width: clamp(108px, 11vw, 150px);
}

.lesson-page {
  display: grid;
  gap: 2rem;
}

.transliteration-banner {
  width: min(880px, 100%);
  margin: 0 auto;
  border: 1px solid rgba(19, 63, 138, 0.1);
  background: rgba(255, 255, 255, 0.9);
}

.transliteration-banner__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1rem;
}

.transliteration-banner__copy {
  margin-bottom: 0;
  color: var(--navy);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.4;
}

.transliteration-toggle {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.transliteration-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.transliteration-toggle__track {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 3rem;
  height: 1.7rem;
  padding: 0.14rem;
  border: 1px solid rgba(19, 63, 138, 0.18);
  background: rgba(19, 63, 138, 0.1);
  border-radius: 999px;
  transition: background 180ms ease, border-color 180ms ease;
}

.transliteration-toggle__thumb {
  width: 1.22rem;
  height: 1.22rem;
  background: white;
  border: 1px solid rgba(19, 63, 138, 0.08);
  border-radius: 999px;
  transition: transform 180ms ease;
}

.transliteration-toggle input:checked + .transliteration-toggle__track {
  background: rgba(19, 63, 138, 0.92);
  border-color: rgba(19, 63, 138, 0.92);
}

.transliteration-toggle input:checked + .transliteration-toggle__track .transliteration-toggle__thumb {
  transform: translateX(1.28rem);
}

.transliteration-toggle input:focus-visible + .transliteration-toggle__track {
  outline: 2px solid rgba(197, 29, 29, 0.35);
  outline-offset: 2px;
}

.lesson-hero-band {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  background: var(--navy);
  color: white;
  padding: 1.35rem 0 1.55rem;
}

.lesson-hero-band__inner {
  width: min(1080px, calc(100% - 3rem));
  margin: 0 auto;
}

.lesson-hero-band .eyebrow {
  color: rgba(255, 255, 255, 0.74);
  margin-bottom: 0.6rem;
}

.lesson-hero-band h1 {
  color: white;
  font-size: clamp(2.2rem, 4vw, 3.35rem);
  line-height: 1.02;
  margin-bottom: 0.7rem;
}

.lesson-lead-thai {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.lesson-lead-thai .thai-word {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.lesson-lead-thai .thai-word-text,
.lesson-lead-thai .thai-word-meta,
.lesson-lead-thai .thai-word-speak {
  color: white;
}

.lesson-lead-thai .thai-word-speak {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.28);
}

.lesson-lead-thai .thai-word-speak:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.36);
}

.lesson-article {
  width: min(880px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 1.8rem;
}

.recap-hero-summary {
  max-width: 56rem;
  color: rgba(255, 255, 255, 0.84);
}

.recap-overview-grid {
  gap: 1rem;
}

.recap-overview-card h2 {
  font-size: clamp(1.4rem, 2.3vw, 2rem);
}

.recap-script-card {
  display: grid;
  gap: 1.35rem;
}

.recap-script-card__head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 1rem;
}

.recap-script-summary {
  margin-bottom: 0;
}

.recap-audio-player-wrap {
  display: grid;
  gap: 0.4rem;
}

.recap-audio-player {
  width: 100%;
  max-width: 32rem;
}

.recap-lines {
  display: grid;
  gap: 1rem;
}

.recap-line {
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(19, 63, 138, 0.1);
}

.recap-line:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.recap-speaker {
  margin-bottom: 0.3rem;
  color: var(--navy) !important;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.recap-thai,
.recap-english {
  margin-bottom: 0;
}

.recap-thai {
  color: var(--ink) !important;
  font-size: 1.04rem;
}

.recap-english {
  margin-top: 0.35rem;
  color: var(--muted) !important;
}

.lesson-article .lesson-block {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.lesson-article .lesson-block h2 {
  font-size: clamp(2rem, 3vw, 2.5rem);
  margin-bottom: 1rem;
}

.lesson-article .lesson-block p,
.lesson-article .lesson-block li {
  color: #231d1b;
  line-height: 1.95;
}

.lesson-article .lesson-block a {
  color: var(--navy);
  font-weight: 600;
  text-decoration: none;
  background-image:
    linear-gradient(180deg, transparent 68%, rgba(197, 29, 29, 0.18) 68%),
    linear-gradient(90deg, rgba(19, 63, 138, 0.72), rgba(197, 29, 29, 0.78));
  background-repeat: no-repeat;
  background-size: 100% 100%, 100% 1px;
  background-position: 0 0, 0 calc(100% - 0.08em);
  padding: 0 0.08em;
  transition:
    color 160ms ease,
    background-size 160ms ease,
    background-image 160ms ease;
}

.lesson-article .lesson-block a:hover {
  color: var(--red-deep);
  background-image:
    linear-gradient(180deg, transparent 58%, rgba(197, 29, 29, 0.24) 58%),
    linear-gradient(90deg, rgba(197, 29, 29, 0.92), rgba(197, 29, 29, 0.92));
}

.lesson-article .lesson-block a:focus-visible {
  outline: 2px solid rgba(19, 63, 138, 0.2);
  outline-offset: 3px;
}

.lesson-article .lesson-block ol li,
.lesson-article .lesson-block ul li {
  line-height: 2.15;
}

.lesson-article .lesson-block table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4rem 0 1.8rem;
  font-size: 0.98rem;
  line-height: 1.65;
  border: 1px solid rgba(19, 63, 138, 0.14);
  background: rgba(255, 255, 255, 0.96);
}

.lesson-article .lesson-block thead {
  background: rgba(19, 63, 138, 0.06);
}

.lesson-article .lesson-block th,
.lesson-article .lesson-block td {
  padding: 0.9rem 1rem;
  text-align: left;
  vertical-align: top;
  border: 1px solid rgba(19, 63, 138, 0.12);
}

.lesson-article .lesson-block tbody tr:nth-child(even) {
  background: rgba(197, 29, 29, 0.025);
}

.lesson-article .lesson-media {
  display: block;
  width: 100%;
  min-height: 300px;
  border: 1px solid rgba(19, 63, 138, 0.08);
  background: rgba(255, 255, 255, 0.9);
  object-fit: contain;
}

.lesson-image {
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

.lesson-image-caption {
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.7;
}

.lesson-article .callout-tip,
.lesson-article .callout-note,
.lesson-article .callout-warning {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.lesson-article .callout-tip .eyebrow,
.lesson-article .callout-note .eyebrow,
.lesson-article .callout-warning .eyebrow {
  display: none;
}

.speaking-practice {
  padding: 1.4rem 1.5rem 1.5rem !important;
  border: 1px solid rgba(19, 63, 138, 0.1) !important;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 244, 242, 0.88)),
    radial-gradient(circle at top right, rgba(19, 63, 138, 0.08), transparent 38%) !important;
  box-shadow: var(--shadow) !important;
}

.speaking-practice-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.speaking-practice-actions {
  display: grid;
  gap: 0.55rem;
  justify-items: end;
}

.speaking-practice-head h3 {
  margin-bottom: 0.5rem;
}

.speaking-practice-copy {
  max-width: 42rem;
}

.speaking-practice-mic {
  position: relative;
  min-width: 12.5rem;
  min-height: 3.25rem;
  padding: 0.8rem 1rem;
  border: 1px solid rgba(197, 29, 29, 0.2);
  background: linear-gradient(135deg, rgba(197, 29, 29, 0.96), rgba(163, 19, 19, 0.94));
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  overflow: hidden;
}

.speaking-practice-reset {
  min-height: 2.4rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid rgba(19, 63, 138, 0.14);
  background: white;
  color: var(--navy);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
}

.speaking-practice-reset:hover {
  border-color: rgba(197, 29, 29, 0.3);
  color: var(--red-deep);
}

.speaking-practice-mic:disabled {
  background: #a89d98;
  border-color: #a89d98;
  cursor: not-allowed;
}

.speaking-practice-mic-icon {
  display: inline-flex;
  width: 0.78rem;
  height: 0.78rem;
  border-radius: 999px;
  background: white;
  color: white;
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.45);
}

.speaking-practice.is-listening .speaking-practice-mic-icon {
  animation: speaking-listen-pulse 1.15s ease-out infinite;
}

@keyframes speaking-listen-pulse {
  0% {
    transform: scale(0.92);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.45);
  }
  70% {
    transform: scale(1.08);
    box-shadow: 0 0 0 18px rgba(255, 255, 255, 0);
  }
  100% {
    transform: scale(0.92);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }
}

.speaking-practice-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
  gap: 1rem;
  margin-top: 1.1rem;
}

.speaking-practice-target,
.speaking-practice-feedback {
  border: 1px solid rgba(19, 63, 138, 0.1);
  background: rgba(255, 255, 255, 0.92);
  padding: 1rem;
}

.speaking-practice-label {
  margin-bottom: 0.45rem;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  font-weight: 700;
}

.speaking-practice-target-thai {
  margin-bottom: 0.6rem;
}

.speaking-practice-target-thai .thai-word {
  padding: 0.25rem 0.45rem;
}

.speaking-practice-target-word {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  padding: 0.28rem 0.48rem;
  border: 1px solid rgba(197, 29, 29, 0.2);
  background: rgba(245, 215, 207, 0.22);
}

.speaking-practice-target-thai-text {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.06em;
  color: var(--ink);
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.2;
}

.speaking-practice-target-match {
  color: #1f8a4c;
}

.speaking-practice-target-transliteration {
  color: #6d6460;
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.speaking-practice-target-english {
  margin-bottom: 0;
  color: var(--muted);
}

.speaking-practice-feedback {
  display: grid;
  gap: 0.95rem;
}

.speaking-practice-status {
  font-weight: 700;
  color: var(--navy);
}

.speaking-practice-transcript,
.speaking-practice-score-value {
  margin-bottom: 0;
  color: var(--ink);
}

.speaking-practice-score-value {
  font-size: 2.25rem;
  line-height: 1;
  color: var(--red-deep);
}

.speaking-practice-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.speaking-practice-chip {
  border: 1px solid rgba(19, 63, 138, 0.12);
  background: white;
  color: var(--ink);
  padding: 0.72rem 0.85rem;
  display: grid;
  gap: 0.18rem;
  text-align: left;
  cursor: pointer;
  font: inherit;
}

.speaking-practice-chip:hover,
.speaking-practice-chip.is-active {
  border-color: rgba(197, 29, 29, 0.32);
  background: rgba(245, 215, 207, 0.2);
}

.speaking-practice-chip-thai {
  font-weight: 700;
}

.speaking-practice-chip-english {
  color: var(--muted);
  font-size: 0.88rem;
}

.lesson-block {
  padding: 1.5rem;
}

.callout-tip,
.callout-note,
.callout-warning {
  border-left: 5px solid var(--red);
}

.callout-note {
  border-left-color: var(--navy);
}

.callout-warning {
  border-left-color: var(--red-deep);
}

.vocab-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.vocab-item,
.dialogue-turn {
  border: 1px solid rgba(19, 63, 138, 0.08);
  background: rgba(255, 255, 255, 0.82);
  padding: 1rem;
}

.dialogue-turn p:last-child {
  margin-bottom: 0;
}

.thai-word {
  display: inline-flex;
  align-items: center;
  background: rgba(197, 29, 29, 0.08);
  border: 1px solid rgba(197, 29, 29, 0.18);
  padding: 0.02rem 0.22rem;
  border-radius: 0.42rem;
  vertical-align: baseline;
  line-height: 1.2;
}

.thai-word-inner {
  display: inline-flex;
  align-items: baseline;
  gap: 0.32rem;
  flex-wrap: wrap;
}

.thai-word-text {
  font-weight: 700;
  color: var(--ink);
}

.thai-word-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.22rem;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

body.transliterations-hidden .thai-word-transliteration {
  display: none;
}

body.transliterations-hidden .thai-word-meta {
  gap: 0;
}

.thai-word-speak {
  border: 1px solid rgba(197, 29, 29, 0.18);
  background: white;
  color: var(--red-deep);
  min-height: 1.22rem;
  min-width: 1.22rem;
  border-radius: 999px;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.thai-word-speak:hover {
  background: var(--red);
  border-color: var(--red);
  color: white;
}

.thai-word-speak svg {
  width: 0.8rem;
  height: 0.8rem;
  display: block;
}

.editor-grid {
  display: grid;
  grid-template-columns: minmax(0, var(--editor-left-pane, 1fr)) 12px minmax(0, var(--editor-right-pane, 1fr));
  gap: 0.7rem;
  min-height: 0;
}

.editor-topbar {
  padding: 0.35rem 0 0.7rem;
  gap: 1rem;
}

.editor-brand-mark img {
  width: clamp(92px, 10vw, 140px);
}

.editor-topbar .nav {
  gap: 1rem;
  font-size: 0.95rem;
}

.editor-panel,
.editor-preview {
  display: grid;
  min-height: 0;
  padding: 0.9rem;
}

.editor-splitter {
  position: relative;
  min-height: 100%;
  cursor: col-resize;
  user-select: none;
}

.editor-splitter::before {
  content: "";
  position: absolute;
  inset: 0.1rem 4px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(19, 63, 138, 0.16), rgba(197, 29, 29, 0.16));
}

.editor-splitter::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4rem;
  transform: translate(-50%, -50%);
  background: rgba(19, 63, 138, 0.18);
}

.editor-workspace.is-resizing {
  cursor: col-resize;
}

.editor-workspace.is-resizing * {
  cursor: col-resize !important;
  user-select: none;
}

.editor-panel {
  border-top: 4px solid rgba(197, 29, 29, 0.78);
}

.editor-preview {
  border-top: 4px solid rgba(19, 63, 138, 0.74);
  grid-template-rows: auto minmax(0, 1fr);
}

.editor-controls {
  display: grid;
  gap: 0.8rem;
  min-height: 0;
}

.editor-pane-scroll {
  overflow: auto;
  padding-right: 0.35rem;
  scrollbar-gutter: stable;
}

.editor-blocks {
  display: grid;
  gap: 0.9rem;
}

.editor-format-note {
  border: 1px solid rgba(19, 63, 138, 0.08);
  background: rgba(255, 255, 255, 0.82);
  padding: 0.8rem 0.9rem;
}

.editor-preview-body {
  display: grid;
  align-content: start;
  gap: 1rem;
  min-height: 0;
}

.editor-workspace {
  min-height: 0;
}

.editor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.editor-select,
.editor-textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: white;
  color: var(--ink);
  padding: 0.85rem;
  font: inherit;
}

.editor-select:focus,
.editor-textarea:focus {
  outline: 2px solid rgba(19, 63, 138, 0.18);
  outline-offset: 1px;
  border-color: rgba(19, 63, 138, 0.24);
}

.editor-textarea {
  min-height: 32rem;
  font-family: "SFMono-Regular", "Menlo", "Monaco", monospace;
  font-size: 0.9rem;
  line-height: 1.55;
  resize: vertical;
}

.editor-raw-header {
  display: grid;
  gap: 0.25rem;
}

.editor-hint,
.editor-status {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.editor-autosave {
  margin: -0.15rem 0 0;
  color: var(--navy);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.editor-autosave.is-error {
  color: var(--red-deep);
}

.block-card {
  display: grid;
  gap: 0.9rem;
  padding: 1rem;
  border: 1px solid rgba(19, 63, 138, 0.1);
  background: rgba(255, 255, 255, 0.9);
}

.block-card-metadata {
  border-top: 3px solid rgba(197, 29, 29, 0.68);
}

.editor-structure-card {
  border-top: 3px solid rgba(19, 63, 138, 0.62);
}

.block-card-header {
  display: grid;
  gap: 0.3rem;
}

.block-card-header h3,
.mini-repeater-title {
  margin-bottom: 0;
}

.block-card-subtitle,
.mini-field-hint {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.editor-structure-list {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding-left: 1.2rem;
}

.editor-structure-item {
  color: var(--ink);
}

.editor-structure-heading {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 0.8rem;
}

.editor-structure-title,
.editor-structure-detail {
  margin-bottom: 0;
}

.editor-structure-title {
  color: var(--ink);
  font-weight: 700;
}

.editor-structure-detail {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.editor-structure-status {
  flex: 0 0 auto;
  padding: 0.12rem 0.42rem;
  border: 1px solid rgba(197, 29, 29, 0.18);
  background: rgba(197, 29, 29, 0.08);
  color: var(--red-deep);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.editor-structure-status.is-present {
  border-color: rgba(19, 63, 138, 0.16);
  background: rgba(19, 63, 138, 0.08);
  color: var(--navy);
}

.mini-grid {
  display: grid;
  gap: 0.8rem;
}

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

.mini-grid-span-2 {
  grid-column: 1 / -1;
}

.mini-field {
  display: grid;
  gap: 0.35rem;
}

.mini-upload-field {
  align-content: start;
}

.mini-upload-field .mini-input[type="file"] {
  padding: 0.55rem 0.7rem;
}

.mini-upload-field .mini-field-hint.is-error {
  color: var(--red-deep);
}

.mini-field-label,
.mini-repeater-title {
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.mini-input,
.mini-select,
.mini-textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: white;
  color: var(--ink);
  padding: 0.7rem 0.8rem;
  font: inherit;
}

.mini-input:focus,
.mini-select:focus,
.mini-textarea:focus {
  outline: 2px solid rgba(19, 63, 138, 0.18);
  outline-offset: 1px;
  border-color: rgba(19, 63, 138, 0.24);
}

.mini-textarea {
  min-height: 7rem;
  resize: vertical;
  font-family: "SFMono-Regular", "Menlo", "Monaco", monospace;
  font-size: 0.88rem;
  line-height: 1.55;
}

.rich-editor {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  max-height: var(--rich-editor-max-height, 32rem);
}

.rich-editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  position: sticky;
  top: 0;
  z-index: 1;
  padding-bottom: 0.1rem;
  background: rgba(255, 255, 255, 0.98);
}

.rich-editor-button {
  min-height: 2rem;
  padding: 0 0.65rem;
  border: 1px solid rgba(19, 63, 138, 0.16);
  background: white;
  color: var(--navy);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}

.rich-editor-button:hover {
  border-color: var(--red);
  color: var(--red-deep);
}

.rich-editor-surface {
  min-height: 14rem;
  flex: 1 1 auto;
  overflow: auto;
  border: 1px solid var(--line-strong);
  background: white;
  color: var(--ink);
  padding: 0.8rem;
  font: inherit;
  line-height: 1.7;
}

.rich-editor-surface:focus {
  outline: 2px solid rgba(19, 63, 138, 0.18);
  outline-offset: 1px;
  border-color: rgba(19, 63, 138, 0.24);
}

.rich-editor-surface > :first-child {
  margin-top: 0;
}

.rich-editor-surface > :last-child {
  margin-bottom: 0;
}

.rich-editor-source {
  flex: 0 0 auto;
  border: 1px solid rgba(19, 63, 138, 0.08);
  background: rgba(255, 255, 255, 0.82);
}

.rich-editor-source-summary {
  cursor: pointer;
  padding: 0.65rem 0.8rem;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.rich-editor-source-textarea {
  border: 0;
  border-top: 1px solid rgba(19, 63, 138, 0.08);
}

.mini-checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.8rem;
  padding: 0.25rem 0;
}

.mini-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.mini-repeater-card {
  border: 1px solid rgba(197, 29, 29, 0.12);
  background: rgba(245, 215, 207, 0.12);
  padding: 0.9rem;
}

.mini-repeater-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.8rem;
}

.mini-repeater-heading {
  display: grid;
  gap: 0.16rem;
}

.mini-repeater-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.mini-repeater-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
}

.mini-icon-button {
  min-height: 2rem;
  padding: 0 0.55rem;
  border: 1px solid rgba(19, 63, 138, 0.16);
  background: white;
  color: var(--navy);
  font: inherit;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
}

.mini-icon-button:hover {
  border-color: var(--red);
  color: var(--red-deep);
}

.mini-repeater-body {
  display: grid;
  gap: 0.8rem;
}

.mini-repeater-body.is-collapsed {
  display: none;
}

.mini-note-field {
  border-top: 1px dashed rgba(19, 63, 138, 0.16);
  padding-top: 0.8rem;
}

.editor-status.is-error {
  color: var(--red-deep);
}

.editor-preview-frame {
  width: 100%;
  min-height: 42rem;
  border: 1px solid var(--line);
  background: white;
  overflow: visible;
}

.editor-wordbank {
  margin-top: 1rem;
  max-height: 18rem;
  overflow: auto;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.editor-wordbank pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.82rem;
  line-height: 1.55;
}

code {
  font-family: "SFMono-Regular", "Menlo", "Monaco", monospace;
  font-size: 0.92em;
}

@media (max-width: 920px) {
  .grid.columns-3,
  .grid.columns-2,
  .editor-grid,
  .mini-grid-2 {
    grid-template-columns: 1fr;
  }

  .editor-splitter {
    display: none;
  }

  .editor-grid {
    min-height: auto;
  }

  body.editor-page {
    height: auto;
    overflow: auto;
  }

  .editor-page .shell-wide {
    height: auto;
    display: block;
    padding-bottom: 4rem;
  }

  .editor-topbar {
    padding-top: 0.75rem;
  }

  .editor-brand-mark img {
    width: clamp(120px, 28vw, 170px);
  }

  .editor-panel,
  .editor-preview,
  .editor-controls,
  .editor-preview-body {
    min-height: auto;
  }

  .editor-pane-scroll {
    overflow: visible;
    padding-right: 0;
  }

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

  .lesson-hero-band__inner {
    width: min(100%, calc(100% - 2rem));
  }

  .transliteration-banner__inner {
    align-items: start;
    flex-direction: column;
  }

  .speaking-practice-head,
  .speaking-practice-stage {
    grid-template-columns: 1fr;
    display: grid;
  }

  .speaking-practice-actions {
    justify-items: stretch;
  }

  .speaking-practice-mic {
    width: 100%;
  }

  .speaking-practice-reset {
    width: 100%;
  }

  h1 {
    font-size: clamp(2.7rem, 12vw, 4rem);
  }
}