:root {
  --bg: #f6f0e6;
  --bg-soft: rgba(255, 251, 243, 0.84);
  --panel: rgba(255, 251, 243, 0.9);
  --panel-strong: rgba(255, 253, 248, 0.97);
  --line: rgba(24, 38, 44, 0.13);
  --text: #18262c;
  --ink: #18262c;
  --muted: #56646a;
  --accent: #e6532f;
  --accent-deep: #a9341f;
  --accent-soft: rgba(230, 83, 47, 0.13);
  --sea: #0f6b73;
  --sea-deep: #09474e;
  --mint: #37b99a;
  --gold: #f0b84a;
  --violet: #5b5bd6;
  --surface-glow: rgba(55, 185, 154, 0.14);
  --shadow: 0 24px 70px rgba(24, 38, 44, 0.14);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Trebuchet MS", "Gill Sans", sans-serif;
  background:
    radial-gradient(circle at 10% 0%, rgba(55, 185, 154, 0.18), transparent 30%),
    radial-gradient(circle at 88% 6%, rgba(230, 83, 47, 0.15), transparent 26%),
    radial-gradient(circle at 60% 100%, rgba(240, 184, 74, 0.12), transparent 30%),
    linear-gradient(180deg, #fbf4ea 0%, #efe8dc 100%);
}

body.immersive-mode {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(24, 38, 44, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 38, 44, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
}

.page-shell {
  position: relative;
  max-width: 1460px;
  margin: 0 auto;
  padding: 28px;
}

.hero,
.panel,
.stat-card,
.outline-card,
.mini-card,
.badge-card,
.adaptive-coach-card {
  animation: rise-in 520ms ease both;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
  gap: 18px;
  padding: 28px;
  margin-bottom: 22px;
  border: 1px solid rgba(34, 54, 61, 0.08);
  border-radius: 30px;
  background:
    radial-gradient(circle at 8% 8%, rgba(55, 185, 154, 0.18), transparent 28%),
    linear-gradient(135deg, rgba(255, 253, 248, 0.98), rgba(244, 235, 220, 0.9)),
    linear-gradient(135deg, rgba(230, 83, 47, 0.09), rgba(15, 107, 115, 0.1));
  box-shadow: var(--shadow);
}

.eyebrow,
.section-kicker,
.badge-label,
.stat-card span,
.outline-card span,
.mini-card span,
.support-copy {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.74rem;
  color: var(--muted);
}

.hero h1,
.panel h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 0.98;
}

.hero h1 {
  font-size: clamp(2.9rem, 5vw, 5rem);
}

.hero-text,
.panel-copy {
  max-width: 70ch;
  color: var(--muted);
  line-height: 1.65;
  font-size: 1.05rem;
}

.hero-badges {
  display: grid;
  gap: 12px;
}

.badge-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(34, 54, 61, 0.08);
  background: rgba(255, 252, 246, 0.78);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.badge-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.2rem;
  line-height: 1.2;
}

.landing-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 10%, rgba(55, 185, 154, 0.24), transparent 30%),
    radial-gradient(circle at 90% 8%, rgba(230, 83, 47, 0.2), transparent 24%),
    linear-gradient(180deg, #fff8ec 0%, #f1eadf 100%);
}

.landing-shell {
  position: relative;
  max-width: 1220px;
  margin: 0 auto;
  padding: 24px;
}

.landing-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 28px;
  padding: 12px 14px;
  border: 1px solid rgba(34, 54, 61, 0.08);
  border-radius: 24px;
  background: rgba(255, 253, 248, 0.88);
  box-shadow: 0 18px 46px rgba(24, 38, 44, 0.12);
  backdrop-filter: blur(14px);
}

.landing-brand,
.landing-nav-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.landing-brand {
  color: var(--text);
  font-weight: 900;
  text-decoration: none;
}

.landing-brand img {
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(34, 54, 61, 0.14);
}

.landing-nav-actions a:not(.button) {
  color: var(--muted);
  font-weight: 800;
  text-decoration: none;
}

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: 22px;
  align-items: center;
  margin-bottom: 28px;
}

.landing-hero-copy,
.landing-demo-card,
.audience-card,
.landing-feature-card,
.pricing-card {
  border: 1px solid rgba(34, 54, 61, 0.08);
  border-radius: 30px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.landing-hero-copy {
  padding: clamp(24px, 5vw, 52px);
  background:
    radial-gradient(circle at 14% 14%, rgba(55, 185, 154, 0.2), transparent 28%),
    radial-gradient(circle at 90% 12%, rgba(230, 83, 47, 0.15), transparent 25%),
    linear-gradient(135deg, rgba(255, 253, 248, 0.97), rgba(244, 235, 220, 0.88));
}

.landing-hero-copy h1,
.landing-section-heading h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 0.98;
}

.landing-hero-copy h1 {
  max-width: 11ch;
  font-size: clamp(3rem, 7vw, 6rem);
}

.landing-hero-copy p {
  max-width: 66ch;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.65;
}

.landing-cta-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.landing-cta-row .button {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.landing-note {
  margin-bottom: 0;
  font-size: 0.94rem !important;
}

.audience-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.audience-pills span {
  padding: 9px 12px;
  border: 1px solid rgba(15, 107, 115, 0.13);
  border-radius: 999px;
  color: var(--sea-deep);
  font-size: 0.82rem;
  font-weight: 900;
  background: rgba(255, 253, 248, 0.62);
}

.landing-demo-card {
  padding: 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at 70% 0%, rgba(91, 91, 214, 0.16), transparent 28%),
    linear-gradient(160deg, rgba(15, 107, 115, 0.16), rgba(230, 83, 47, 0.11)),
    rgba(255, 253, 248, 0.86);
}

.demo-window-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.demo-window-bar span {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--accent);
}

.demo-window-bar span:nth-child(2) {
  background: var(--mint);
}

.demo-window-bar span:nth-child(3) {
  background: var(--sea);
}

.demo-reader-line {
  height: 24px;
  width: 76%;
  margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(29, 42, 49, 0.12);
}

.demo-reader-line.wide {
  width: 94%;
}

.demo-reader-line.short {
  width: 52%;
}

.demo-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 34px;
}

.demo-stats article,
.pricing-card {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 253, 248, 0.78);
}

.demo-stats span,
.landing-feature-card span,
.pricing-card span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.demo-stats strong,
.pricing-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.1rem;
}

.landing-section {
  margin-top: 28px;
}

.landing-section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.landing-section-heading h2 {
  max-width: 16ch;
  font-size: clamp(2rem, 4vw, 3.6rem);
}

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

.audience-card {
  position: relative;
  min-height: 220px;
  padding: 22px;
  overflow: hidden;
  background: rgba(255, 253, 248, 0.88);
}

.audience-card::before {
  content: "";
  position: absolute;
  inset: auto -30px -50px auto;
  width: 150px;
  height: 150px;
  border-radius: 999px;
  opacity: 0.2;
  background: var(--accent);
}

.audience-new::before {
  background: var(--mint);
}

.audience-young::before {
  background: var(--violet);
}

.audience-curious::before {
  background: var(--gold);
}

.audience-card span {
  display: inline-flex;
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--sea-deep);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(15, 107, 115, 0.09);
}

.audience-card h3 {
  position: relative;
  max-width: 12ch;
  margin: 22px 0 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  line-height: 0.98;
}

.audience-card p {
  position: relative;
  max-width: 35ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.58;
}

.landing-feature-card,
.pricing-card {
  padding: 22px;
}

.landing-feature-card h3 {
  margin: 10px 0;
  font-size: 1.35rem;
  line-height: 1.1;
}

.landing-feature-card p,
.pricing-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.pricing-card.featured {
  color: #fff8f3;
  background:
    radial-gradient(circle at 90% 10%, rgba(240, 184, 74, 0.24), transparent 30%),
    linear-gradient(135deg, var(--sea), var(--accent-deep));
}

.pricing-card.featured span,
.pricing-card.featured p {
  color: rgba(255, 248, 243, 0.82);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(360px, 460px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.mobile-jump-nav {
  display: none;
}

.mode-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  margin: -2px 0 22px;
  padding: 16px 18px;
  border: 1px solid rgba(34, 54, 61, 0.08);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.93), rgba(243, 236, 225, 0.84)),
    rgba(255, 252, 247, 0.86);
  box-shadow: 0 16px 44px rgba(24, 38, 44, 0.11);
  backdrop-filter: blur(12px);
}

.mode-strip strong {
  display: block;
  font-size: 1.04rem;
}

.mode-strip p {
  margin: 4px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.mode-toggle {
  display: flex;
  gap: 8px;
  align-items: center;
}

.quickstart-card {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(420px, 1.15fr);
  gap: 18px;
  align-items: stretch;
  margin: 0 0 22px;
  padding: 22px;
  border: 1px solid rgba(34, 54, 61, 0.09);
  border-radius: 28px;
  background:
    radial-gradient(circle at 6% 12%, rgba(55, 185, 154, 0.18), transparent 30%),
    radial-gradient(circle at 96% 8%, rgba(240, 184, 74, 0.18), transparent 30%),
    linear-gradient(135deg, rgba(255, 253, 248, 0.96), rgba(244, 236, 223, 0.86));
  box-shadow: 0 18px 52px rgba(24, 38, 44, 0.12);
  backdrop-filter: blur(12px);
}

.quickstart-copy {
  display: grid;
  align-content: center;
  gap: 10px;
}

.quickstart-copy h2 {
  max-width: 13ch;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 0.98;
}

.quickstart-copy p:not(.section-kicker) {
  margin: 0;
  color: var(--muted);
  line-height: 1.58;
}

.quickstart-goal-panel {
  display: grid;
  gap: 10px;
  margin-top: 6px;
}

.quickstart-goal-panel > span {
  color: var(--sea-deep);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.quickstart-goals {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.quickstart-goal {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid rgba(34, 54, 61, 0.12);
  border-radius: 999px;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  background: rgba(255, 253, 248, 0.78);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.quickstart-goal:hover {
  transform: translateY(-1px);
  border-color: rgba(15, 107, 115, 0.24);
}

.quickstart-goal.is-active {
  border-color: transparent;
  color: #fff8f3;
  background: linear-gradient(135deg, var(--sea), var(--accent-deep));
  box-shadow: 0 10px 24px rgba(15, 107, 115, 0.18);
}

.quickstart-goal-summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

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

.quickstart-step {
  position: relative;
  min-height: 170px;
  padding: 16px;
  overflow: hidden;
  border: 1px solid rgba(34, 54, 61, 0.08);
  border-radius: 22px;
  background: rgba(255, 253, 248, 0.76);
}

.quickstart-step::after {
  content: "";
  position: absolute;
  inset: auto -24px -36px auto;
  width: 96px;
  height: 96px;
  border-radius: 999px;
  opacity: 0.14;
  background: var(--sea);
}

.quickstart-step span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  color: #fff8f3;
  font-weight: 900;
  background: var(--sea);
}

.quickstart-step strong {
  display: block;
  margin-top: 18px;
  font-size: 1.08rem;
}

.quickstart-step p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.quickstart-step.is-active {
  border-color: rgba(230, 83, 47, 0.28);
  background: rgba(255, 249, 241, 0.95);
  box-shadow: inset 0 0 0 1px rgba(230, 83, 47, 0.1);
}

.quickstart-step.is-active span {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
}

.quickstart-step.is-done span {
  background: var(--mint);
}

.quickstart-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.mobile-bottom-nav {
  display: none;
}

body[data-view-mode="simple"] .advanced-setting,
body[data-view-mode="simple"] .advanced-only,
body[data-view-mode="simple"] .advanced-panel,
body[data-view-mode="simple"] .library-panel,
body[data-view-mode="simple"] .reader-adjustments,
body[data-view-mode="simple"] .shortcut-hint {
  display: none !important;
}

body[data-view-mode="simple"] .reader-utility-row {
  padding: 10px 12px;
}

#sourcePanel,
#trainerPanel,
#navigationPanel,
#dashboardPanel,
#readerPanel,
#sessionReviewCard,
#comprehensionPanel {
  scroll-margin-top: 88px;
}

.panel {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(34, 54, 61, 0.08);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.composer-panel {
  padding: 24px;
  position: sticky;
  top: 20px;
}

.trainer-panel,
.history-panel {
  padding: 24px;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 20px;
}

.panel-heading h2 {
  font-size: 2rem;
}

.history-heading {
  margin-bottom: 16px;
}

.field,
.checkbox-field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.panel-subsection {
  margin-bottom: 16px;
}

.field span:first-child,
.checkbox-field span {
  font-size: 0.88rem;
  font-weight: 700;
}

.field-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

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

input[type="text"],
input[type="number"],
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(34, 54, 61, 0.12);
  border-radius: 14px;
  background: rgba(255, 252, 248, 0.92);
  color: var(--text);
  font: inherit;
}

input[type="text"],
input[type="number"],
select {
  min-height: 48px;
  padding: 0 14px;
}

textarea {
  min-height: 320px;
  padding: 14px 16px;
  line-height: 1.68;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
button:focus {
  outline: 2px solid rgba(27, 93, 99, 0.35);
  outline-offset: 2px;
}

.field-grid,
.outline-grid,
.stats-grid,
.mini-stats {
  display: grid;
  gap: 12px;
}

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

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

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
}

.outline-card,
.stat-card,
.mini-card {
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(34, 54, 61, 0.08);
  background: var(--panel-strong);
}

.outline-card strong,
.stat-card strong,
.mini-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.2rem;
}

.reader-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 14px;
}

.reader-meta-copy {
  display: grid;
  gap: 4px;
}

.reader-meta-copy strong {
  font-size: 1.1rem;
}

.reader-meta-copy span {
  color: var(--muted);
}

.compact-controls,
.action-row,
.field-row,
.support-row,
.control-row,
.tab-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.field-row {
  justify-content: space-between;
}

.support-row {
  justify-content: space-between;
  margin-top: 12px;
}

.import-feedback,
.resume-card,
.session-review-card,
.library-panel,
.navigation-panel {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(34, 54, 61, 0.08);
  background: var(--panel-strong);
}

.import-feedback {
  margin-top: 12px;
}

.import-preview {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.58;
  white-space: pre-line;
}

.import-summary {
  margin: 10px 0 0;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.45;
}

.resume-card {
  margin-bottom: 18px;
}

.session-review-card {
  margin: 16px 0 18px;
  border-color: rgba(230, 83, 47, 0.16);
  background:
    radial-gradient(circle at 92% 8%, rgba(240, 184, 74, 0.18), transparent 30%),
    linear-gradient(135deg, rgba(255, 253, 248, 0.96), rgba(246, 238, 226, 0.88));
}

.session-review-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0;
}

.session-result-hero {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-top: 14px;
}

.session-result-hero h3 {
  max-width: 16ch;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 0.98;
}

.session-result-verdict {
  max-width: 64ch;
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.session-result-score {
  flex: 0 0 auto;
  padding: 14px 16px;
  border-radius: 22px;
  color: #fff8f3;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  line-height: 1;
  background:
    radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.18), transparent 28%),
    linear-gradient(135deg, var(--sea), var(--accent-deep));
  box-shadow: 0 16px 34px rgba(15, 107, 115, 0.18);
}

.session-result-progress {
  height: 12px;
  width: 100%;
  margin: 12px 0 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(24, 38, 44, 0.1);
}

.session-result-progress span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--sea), var(--mint), var(--gold));
  transition: width 260ms ease;
}

.session-result-delta {
  margin: 0 0 8px;
  color: var(--sea-deep);
  font-weight: 900;
}

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

.library-panel {
  margin-bottom: 18px;
}

.goal-inputs {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 10px;
}

.goal-inline {
  display: grid;
  gap: 6px;
}

.goal-inline span {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.action-row-wide {
  margin-bottom: 18px;
}

.button {
  border: 1px solid rgba(34, 54, 61, 0.12);
  border-radius: 999px;
  background: rgba(255, 251, 246, 0.92);
  color: var(--text);
  min-height: 44px;
  padding: 0 16px;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: rgba(34, 54, 61, 0.22);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
  transform: none;
}

.button.accent,
.tab.is-active {
  background:
    radial-gradient(circle at 15% 10%, rgba(255, 255, 255, 0.2), transparent 25%),
    linear-gradient(135deg, var(--accent), var(--accent-deep));
  border-color: transparent;
  color: #fff8f3;
  box-shadow: 0 12px 30px rgba(230, 83, 47, 0.22);
}

.button.quiet {
  background: rgba(255, 250, 243, 0.78);
}

.tab {
  min-height: 44px;
  border: 1px solid rgba(34, 54, 61, 0.12);
  border-radius: 999px;
  background: rgba(255, 252, 248, 0.85);
  padding: 0 18px;
  cursor: pointer;
  font: inherit;
}

.progress-track {
  height: 10px;
  width: 100%;
  margin-bottom: 18px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(34, 54, 61, 0.08);
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--sea), var(--mint), var(--gold));
  transition: width 220ms ease;
}

.immersive-hud {
  display: none;
}

.immersive-hud-copy {
  min-width: 0;
}

.immersive-hud-copy strong,
.immersive-hud-copy span {
  display: block;
}

.immersive-hud-copy strong {
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.immersive-hud-copy span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.35;
}

.immersive-progress-track {
  height: 6px;
  margin-top: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(34, 54, 61, 0.1);
}

.immersive-progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--sea));
  transition: width 220ms ease;
}

.immersive-hud-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.mode-panel {
  display: none;
}

.mode-panel.is-active {
  display: block;
}

.navigation-panel {
  margin-bottom: 18px;
}

.section-list {
  display: grid;
  gap: 10px;
  max-height: 260px;
  overflow: auto;
}

.section-item {
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(34, 54, 61, 0.08);
  background: rgba(255, 252, 248, 0.92);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.section-item:hover {
  transform: translateY(-1px);
  border-color: rgba(34, 54, 61, 0.2);
}

.section-item.is-active {
  background: linear-gradient(135deg, rgba(230, 83, 47, 0.12), rgba(55, 185, 154, 0.13));
  border-color: rgba(15, 107, 115, 0.26);
}

.section-item strong,
.section-item span {
  display: block;
}

.section-item strong {
  margin-bottom: 6px;
  font-size: 0.98rem;
}

.section-item span {
  color: var(--muted);
  line-height: 1.45;
}

.section-item.empty {
  text-align: center;
  color: var(--muted);
  cursor: default;
}

.section-item-more {
  text-align: center;
  color: var(--sea);
  font-weight: 800;
  background: rgba(27, 93, 99, 0.08);
}

.bookmark-panel {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(34, 54, 61, 0.08);
}

.bookmark-list {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.bookmark-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(34, 54, 61, 0.08);
  background: rgba(255, 252, 248, 0.86);
}

.bookmark-item strong,
.bookmark-item p {
  display: block;
}

.bookmark-item strong {
  margin-bottom: 4px;
}

.bookmark-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
}

.bookmark-item.empty {
  display: block;
  text-align: center;
  color: var(--muted);
}

.library-list {
  display: grid;
  gap: 10px;
  max-height: 300px;
  overflow: auto;
}

.library-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(34, 54, 61, 0.08);
  background: rgba(255, 252, 248, 0.92);
}

.library-item.is-active {
  border-color: rgba(27, 93, 99, 0.28);
  background: linear-gradient(135deg, rgba(15, 107, 115, 0.11), rgba(55, 185, 154, 0.1));
}

.library-item strong,
.library-item p {
  display: block;
}

.library-item strong {
  margin-bottom: 6px;
  overflow-wrap: anywhere;
}

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

.library-item.empty {
  display: block;
  text-align: center;
  color: var(--muted);
}

.reader-utility-row {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(34, 54, 61, 0.08);
  background: rgba(255, 252, 248, 0.88);
}

.reader-adjustments {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.range-control {
  display: grid;
  gap: 6px;
}

.range-control span {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.range-control input[type="range"] {
  width: 100%;
}

.shortcut-hint {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.reader-stage,
.sprint-stage {
  position: relative;
  min-height: 340px;
  margin-bottom: 14px;
  overflow: hidden;
  border-radius: 26px;
  border: 1px solid rgba(34, 54, 61, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 253, 249, 0.96), rgba(247, 239, 228, 0.92));
}

.reader-stage {
  padding: 36px clamp(22px, 4vw, 54px);
}

.reader-stage.focus-mode::before,
.reader-stage.focus-mode::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 26%;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(244, 239, 230, 0.98), rgba(244, 239, 230, 0));
  z-index: 1;
}

.reader-stage.focus-mode::after {
  top: auto;
  bottom: 0;
  transform: rotate(180deg);
}

.reader-view {
  position: relative;
  z-index: 2;
  max-width: min(100%, var(--reader-column-width, 70ch));
  margin: 0 auto;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.05rem, 1.2rem + 0.4vw, 2rem);
  line-height: var(--reader-line-height, 1.92);
}

.reader-stage.use-custom-size .reader-view {
  font-size: var(--reader-font-size, 1.42rem);
}

body[data-reader-theme="paper"] .reader-stage {
  background: linear-gradient(180deg, #fffdf8, #f7f3ea);
}

body[data-reader-theme="contrast"] .reader-stage {
  background: #111817;
  border-color: rgba(255, 255, 255, 0.18);
}

body[data-reader-theme="contrast"] .reader-view {
  color: #f8f3e7;
}

body[data-reader-theme="warm-night"] .reader-stage {
  background: linear-gradient(180deg, #251c16, #171311);
  border-color: rgba(212, 170, 72, 0.18);
}

body[data-reader-theme="warm-night"] .reader-view {
  color: #f3dfbf;
}

body[data-reader-theme="warm-night"] .reader-stage.focus-mode::before,
body[data-reader-theme="warm-night"] .reader-stage.focus-mode::after,
body[data-reader-theme="contrast"] .reader-stage.focus-mode::before,
body[data-reader-theme="contrast"] .reader-stage.focus-mode::after {
  background: linear-gradient(180deg, rgba(20, 18, 16, 0.92), rgba(20, 18, 16, 0));
}

.reader-view p {
  margin: 0 0 1.2em;
}

.reader-view p:last-child {
  margin-bottom: 0;
}

.sprint-stage {
  display: grid;
  place-items: center;
  padding: 28px;
  text-align: center;
}

.sprint-word {
  max-width: 18ch;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.2rem, 5vw, 4.7rem);
  line-height: 1.04;
}

.sprint-subline {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.98rem;
}

.checkbox-field {
  align-items: center;
  grid-template-columns: auto 1fr;
}

.file-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(34, 54, 61, 0.12);
  background: rgba(255, 251, 246, 0.92);
  cursor: pointer;
}

.file-pill input {
  display: none;
}

.hidden-file-input {
  display: none;
}

.history-panel {
  margin-top: 20px;
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
}

.dashboard-panel,
.diagnostic-panel,
.comprehension-panel {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid rgba(34, 54, 61, 0.1);
}

.dashboard-grid,
.goal-progress-grid {
  display: grid;
  gap: 12px;
}

.dashboard-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 14px;
}

.goal-progress-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 16px;
}

.adaptive-coach-card,
.goal-card,
.trend-panel {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(34, 54, 61, 0.08);
  background: var(--panel-strong);
}

.adaptive-coach-card {
  display: grid;
  gap: 14px;
  margin-bottom: 16px;
  background:
    radial-gradient(circle at 95% 0%, rgba(91, 91, 214, 0.13), transparent 28%),
    linear-gradient(135deg, rgba(15, 107, 115, 0.11), rgba(55, 185, 154, 0.12)),
    var(--panel-strong);
}

.coach-card-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
}

.coach-card-header h3 {
  margin: 8px 0 6px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  line-height: 1.05;
}

.coach-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  color: #fff8f3;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--sea), var(--violet));
}

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

.coach-metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.coach-metric {
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(34, 54, 61, 0.08);
  background: rgba(255, 253, 248, 0.74);
}

.coach-metric span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.coach-metric strong {
  display: block;
  margin-top: 6px;
  font-size: 1.02rem;
}

.coach-plan-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.coach-plan-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.coach-plan-list li > span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 999px;
  color: #fff8f3;
  font-size: 0.82rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--sea), var(--mint));
}

.coach-plan-list p {
  margin: 3px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.goal-card span {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.goal-card strong {
  display: block;
  margin: 8px 0 12px;
  font-size: 1.15rem;
}

.goal-caption {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.progress-track-compact {
  height: 8px;
  margin-bottom: 0;
}

.trend-chart {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
  align-items: end;
  min-height: 220px;
  margin-top: 14px;
}

.trend-day {
  display: grid;
  gap: 8px;
  justify-items: center;
}

.trend-bar-wrap {
  display: flex;
  align-items: end;
  width: 100%;
  min-height: 150px;
}

.trend-bar {
  width: 100%;
  min-height: 10px;
  border-radius: 14px 14px 8px 8px;
  background: linear-gradient(180deg, var(--sea), var(--mint));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.trend-bar.is-empty {
  background: rgba(34, 54, 61, 0.12);
  box-shadow: none;
}

.trend-day-label {
  font-size: 0.88rem;
}

.trend-day-copy {
  font-size: 0.76rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.35;
}

.trend-chart-empty {
  display: grid;
  place-items: center;
  min-height: 160px;
  border-radius: 16px;
  border: 1px dashed rgba(34, 54, 61, 0.14);
  color: var(--muted);
}

.diagnostic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.95fr);
  gap: 12px;
  margin-bottom: 14px;
}

.diagnostic-card,
.diagnostic-metric,
.diagnostic-check,
.diagnostic-summary {
  border: 1px solid rgba(34, 54, 61, 0.08);
  background: var(--panel-strong);
}

.diagnostic-card {
  padding: 16px 18px;
  border-radius: var(--radius-md);
}

.diagnostic-card > span,
.diagnostic-metric span,
.diagnostic-check span {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.diagnostic-card p,
.diagnostic-metric p,
.diagnostic-check p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.diagnostic-config-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.seed-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.diagnostic-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.diagnostic-actions .button {
  min-height: 40px;
}

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

.diagnostic-metric {
  padding: 12px 14px;
  border-radius: 16px;
}

.diagnostic-metric strong {
  display: block;
  margin-top: 6px;
  font-size: 1.05rem;
}

.diagnostic-checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.diagnostic-summary {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  padding: 12px 14px;
  border-radius: 16px;
}

.diagnostic-summary strong,
.diagnostic-summary span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(15, 107, 115, 0.09);
}

.diagnostic-summary span {
  color: var(--muted);
}

.diagnostic-check {
  position: relative;
  overflow: hidden;
  padding: 14px 16px 14px 18px;
  border-radius: var(--radius-md);
}

.diagnostic-check::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--gold);
}

.diagnostic-check-pass::before {
  background: var(--mint);
}

.diagnostic-check-warn::before {
  background: var(--gold);
}

.diagnostic-check-fail::before {
  background: var(--accent);
}

.diagnostic-check strong {
  display: block;
  margin-top: 5px;
}

.comprehension-overview {
  margin-bottom: 14px;
}

.prompt-list {
  display: grid;
  gap: 12px;
}

.prompt-card {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(34, 54, 61, 0.08);
  background: var(--panel-strong);
}

.prompt-card-header {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
}

.prompt-card-header strong {
  font-size: 1rem;
  line-height: 1.45;
}

.prompt-card textarea {
  min-height: 132px;
  margin-top: 4px;
  background: rgba(255, 252, 248, 0.96);
}

.prompt-card.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 24px;
}

.history-list {
  display: grid;
  gap: 12px;
}

.history-item {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(34, 54, 61, 0.08);
  background: var(--panel-strong);
}

.history-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.04rem;
}

.history-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.history-details {
  margin-top: 10px;
}

.history-details summary {
  cursor: pointer;
  color: var(--sea);
  font-weight: 700;
}

.review-answer {
  padding-top: 10px;
  border-top: 1px solid rgba(34, 54, 61, 0.08);
  margin-top: 10px;
}

.review-answer strong {
  display: block;
  margin-bottom: 6px;
  font-size: 0.98rem;
}

body.immersive-mode .hero,
body.immersive-mode .mode-strip,
body.immersive-mode .mobile-jump-nav,
body.immersive-mode .mobile-bottom-nav,
body.immersive-mode .composer-panel,
body.immersive-mode .dashboard-panel,
body.immersive-mode .diagnostic-panel,
body.immersive-mode .comprehension-panel,
body.immersive-mode .history-panel,
body.immersive-mode .navigation-panel,
body.immersive-mode .stats-grid,
body.immersive-mode .reader-meta,
body.immersive-mode .progress-track {
  display: none !important;
}

body.immersive-mode .trainer-heading,
body.immersive-mode .reader-utility-row,
body.immersive-mode .mode-panel.is-active > .control-row,
body.immersive-mode .session-review-card,
body.immersive-mode .mini-stats {
  display: none !important;
}

body.immersive-mode .page-shell {
  max-width: none;
  padding: 0;
}

body.immersive-mode .workspace {
  display: block;
}

body.immersive-mode .trainer-panel {
  position: fixed;
  inset: 0;
  z-index: 40;
  min-height: 100vh;
  overflow-y: auto;
  border-radius: 0;
  border: none;
  box-shadow: none;
  padding: 14px clamp(12px, 2vw, 28px) 24px;
  background: linear-gradient(180deg, rgba(255, 253, 248, 0.98), rgba(243, 234, 221, 0.98));
}

body.immersive-mode .immersive-hud {
  position: sticky;
  top: 14px;
  z-index: 30;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  margin-bottom: 14px;
  padding: 12px 14px;
  border: 1px solid rgba(34, 54, 61, 0.12);
  border-radius: 22px;
  background: rgba(255, 253, 248, 0.9);
  box-shadow: 0 14px 40px rgba(34, 54, 61, 0.12);
  backdrop-filter: blur(12px);
}

body.immersive-mode .mode-panel.is-active {
  min-height: calc(100vh - 110px);
}

body.immersive-mode .reader-stage,
body.immersive-mode .sprint-stage {
  min-height: calc(100vh - 132px);
  margin-bottom: 0;
}

.history-item.empty {
  text-align: center;
  color: var(--muted);
  padding: 24px;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1120px) {
  .landing-hero,
  .audience-grid,
  .landing-feature-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .landing-hero-copy h1 {
    max-width: 13ch;
  }

  .mode-strip {
    grid-template-columns: 1fr;
    margin-bottom: 16px;
  }

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

  .quickstart-copy h2 {
    max-width: 15ch;
  }

  .mode-toggle {
    width: 100%;
  }

  .mode-toggle .button {
    flex: 1 1 0;
  }

  .workspace {
    display: flex;
    flex-direction: column;
  }

  .composer-panel {
    order: 2;
    position: static;
  }

  .trainer-panel {
    order: 1;
  }

  .mobile-jump-nav {
    position: sticky;
    top: 10px;
    z-index: 35;
    display: flex;
    gap: 8px;
    margin: -6px 0 16px;
    padding: 8px;
    overflow-x: auto;
    border: 1px solid rgba(34, 54, 61, 0.1);
    border-radius: 999px;
    background: rgba(255, 253, 248, 0.88);
    box-shadow: 0 14px 36px rgba(34, 54, 61, 0.1);
    backdrop-filter: blur(14px);
  }

  .mobile-jump-nav a {
    flex: 1 0 auto;
    min-width: max-content;
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--text);
    font-weight: 800;
    text-align: center;
    text-decoration: none;
    background: rgba(255, 248, 238, 0.78);
  }

  .mobile-jump-nav a:first-child {
    color: #fff8f3;
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  }

  .reader-stage,
  .sprint-stage {
    min-height: min(70svh, 680px);
  }

  .reader-stage {
    max-height: 74svh;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .section-list {
    max-height: 230px;
  }

  .stats-grid,
  .dashboard-grid,
  .coach-metric-grid,
  .goal-progress-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .landing-shell {
    padding: 12px;
  }

  .landing-nav,
  .landing-nav-actions {
    align-items: stretch;
  }

  .landing-nav {
    flex-direction: column;
    border-radius: 20px;
  }

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

  .landing-nav-actions .button {
    grid-column: 1 / -1;
    justify-content: center;
  }

  .landing-hero-copy,
  .landing-demo-card,
  .audience-card,
  .landing-feature-card,
  .pricing-card {
    border-radius: 22px;
  }

  .landing-hero-copy {
    padding: 22px;
  }

  .landing-hero-copy h1 {
    max-width: 10ch;
    font-size: clamp(2.5rem, 15vw, 4rem);
  }

  .landing-cta-row .button {
    justify-content: center;
    width: 100%;
  }

  .quickstart-card {
    padding: 18px;
    border-radius: 22px;
  }

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

  .quickstart-step {
    min-height: 0;
  }

  .quickstart-actions .button {
    width: 100%;
  }

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

  .demo-stats {
    grid-template-columns: 1fr;
  }

  .page-shell {
    padding: 12px 12px 88px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding: 18px;
    margin-bottom: 14px;
    border-radius: 24px;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 14vw, 3.3rem);
  }

  .hero-text {
    font-size: 0.98rem;
    line-height: 1.5;
  }

  .hero-badges {
    display: none;
  }

  .mode-strip {
    gap: 12px;
    padding: 12px;
    border-radius: 20px;
  }

  .mode-strip p {
    font-size: 0.92rem;
  }

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

  .mobile-bottom-nav {
    position: fixed;
    right: 12px;
    bottom: max(10px, env(safe-area-inset-bottom));
    left: 12px;
    z-index: 60;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    padding: 8px;
    border: 1px solid rgba(34, 54, 61, 0.12);
    border-radius: 24px;
    background: rgba(255, 253, 248, 0.92);
    box-shadow: 0 18px 46px rgba(34, 54, 61, 0.18);
    backdrop-filter: blur(16px);
  }

  .mobile-bottom-nav a,
  .mobile-bottom-nav button {
    display: grid;
    min-height: 44px;
    place-items: center;
    border: 0;
    border-radius: 18px;
    color: var(--text);
    font: inherit;
    font-weight: 800;
    text-align: center;
    text-decoration: none;
    background: rgba(255, 248, 238, 0.78);
  }

  .mobile-bottom-nav a:first-child,
  .mobile-bottom-nav button[aria-pressed="true"] {
    color: #fff8f3;
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  }

  .panel {
    border-radius: 22px;
  }

  .composer-panel,
  .trainer-panel {
    width: 100%;
    padding: 16px;
  }

  .panel-heading,
  .reader-meta,
  .field-row,
  .support-row {
    flex-direction: column;
    align-items: stretch;
  }

  .panel-heading h2 {
    font-size: 1.58rem;
  }

  textarea {
    min-height: 220px;
  }

  .field-grid,
  .outline-grid,
  .mini-stats,
  .session-review-stats,
  .dashboard-grid,
  .coach-card-header,
  .coach-metric-grid,
  .diagnostic-grid,
  .diagnostic-config-grid,
  .diagnostic-metric-grid,
  .diagnostic-checklist,
  .goal-progress-grid,
  .goal-inputs,
  .library-item,
  .bookmark-item {
    grid-template-columns: 1fr;
  }

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

  .session-result-hero {
    align-items: stretch;
    flex-direction: column;
  }

  .session-result-score {
    width: fit-content;
  }

  .session-result-actions .button {
    width: 100%;
  }

  .coach-actions {
    justify-content: stretch;
  }

  .coach-actions .button {
    flex: 1 1 100%;
  }

  .compact-controls,
  .action-row,
  .control-row,
  .tab-row {
    width: 100%;
  }

  .compact-controls > *,
  .action-row > *,
  .control-row > *,
  .tab-row > * {
    flex: 1 1 auto;
  }

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

  .tab-row #immersiveToggleBtn {
    grid-column: 1 / -1;
  }

  #readerPanel > .control-row {
    position: sticky;
    z-index: 20;
    margin-inline: -4px;
    padding: 10px;
    border: 1px solid rgba(34, 54, 61, 0.09);
    border-radius: 18px;
    background: rgba(255, 253, 248, 0.9);
    box-shadow: 0 12px 30px rgba(34, 54, 61, 0.1);
    backdrop-filter: blur(14px);
  }

  #readerPanel > .control-row {
    top: 66px;
  }

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

  .compact-controls select {
    grid-column: 1 / -1;
  }

  .reader-stage {
    min-height: 62svh;
    max-height: 70svh;
    padding: 22px 16px;
    border-radius: 20px;
  }

  .reader-view {
    max-width: 100%;
    font-size: clamp(1.08rem, 5.4vw, 1.55rem);
    line-height: 1.72;
  }

  .reader-stage.use-custom-size .reader-view {
    font-size: clamp(1.08rem, var(--reader-font-size, 1.42rem), 1.65rem);
    line-height: max(1.62, var(--reader-line-height, 1.92));
  }

  .reader-adjustments {
    grid-template-columns: 1fr;
  }

  .seed-row {
    grid-template-columns: 1fr;
  }

  body[data-section-map="compact"] .section-list {
    display: none;
  }

  body[data-section-map="search"] .section-list {
    display: grid;
    max-height: 46svh;
  }

  .navigation-panel {
    padding: 14px;
  }

  .section-item {
    padding: 12px 14px;
  }

  .dashboard-panel,
  .diagnostic-panel,
  .comprehension-panel {
    margin-top: 18px;
    padding-top: 18px;
  }

  .diagnostic-checklist,
  .prompt-list,
  .history-list,
  .library-list {
    max-height: 58svh;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  body.immersive-mode .immersive-hud {
    grid-template-columns: 1fr;
    top: 10px;
  }

  .immersive-hud-actions {
    justify-content: stretch;
  }

  .immersive-hud-actions .button {
    flex: 1 1 42%;
  }

  .trend-chart {
    grid-template-columns: repeat(7, minmax(72px, 1fr));
    overflow-x: auto;
    padding-bottom: 4px;
  }
}