:root {
  color-scheme: dark;
  --bg: #101417;
  --panel: #171d21;
  --panel-2: #1f262b;
  --text: #f4f1e8;
  --muted: #9ba7a6;
  --line: #2d363b;
  --green: #42d98b;
  --cyan: #62c8dd;
  --gold: #e8c46a;
  --red: #ff6b6b;
  --violet: #a78bfa;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 12% 8%, rgba(72, 213, 151, 0.16), transparent 28%),
    linear-gradient(135deg, #101417 0%, #14191c 50%, #0e1214 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}

.academy-nav,
.academy-home,
.academy-footer {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.article-meta {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}

.contact-form {
  display: grid;
  gap: 16px;
  margin-block: 28px;
}

.contact-form label:not(.premium-consent) {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #11191d;
  color: var(--text);
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.academy-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
}

.academy-brand,
.academy-nav nav,
.academy-footer nav,
.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.academy-brand,
.academy-nav a,
.academy-footer a,
.guide-card,
.source-box a {
  color: var(--text);
  text-decoration: none;
}

.brand-dot,
.academy-proof span,
.academy-grid article > span,
.guide-card > span {
  color: var(--accent);
}

.nav-cta {
  padding: 10px 15px;
  border-radius: 12px;
  background: var(--accent);
  color: #07140f !important;
  font-weight: 800;
}

.academy-home {
  display: grid;
  gap: 28px;
  padding-block: 48px 64px;
}

.academy-hero,
.academy-cta {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.7fr);
  gap: 42px;
  align-items: center;
  padding: clamp(28px, 5vw, 64px);
  border: 1px solid rgba(69, 218, 164, 0.3);
  border-radius: 28px;
  background: radial-gradient(circle at 10% 10%, rgba(69, 218, 164, 0.14), transparent 40%), var(--panel);
}

.academy-hero h1 {
  max-width: 900px;
  margin: 8px 0 18px;
  font-size: clamp(2.5rem, 6vw, 5.2rem);
  line-height: 0.98;
}

.academy-hero .lead {
  max-width: 760px;
}

.academy-proof,
.academy-grid article,
.guide-card,
.source-box {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
}

.academy-proof strong {
  display: block;
  margin: 8px 0;
  font-size: 1.65rem;
}

.academy-section,
.academy-editorial {
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
}

.academy-section h2,
.academy-editorial h2,
.academy-cta h2 {
  margin: 6px 0 20px;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.academy-grid {
  display: grid;
  gap: 14px;
}

.academy-grid.four { grid-template-columns: repeat(4, 1fr); }
.academy-grid.three { grid-template-columns: repeat(3, 1fr); }

.academy-grid h3,
.guide-card h3 {
  margin: 9px 0;
}

.academy-editorial {
  max-width: 920px;
  margin-inline: auto;
}

.academy-editorial p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.section-heading,
.academy-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.guide-card {
  transition: transform 160ms ease, border-color 160ms ease;
}

.guide-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.source-box {
  display: grid;
  gap: 8px;
  margin-top: 24px;
}

.source-box a {
  color: var(--cyan);
}

.academy-cta {
  grid-template-columns: 1fr auto;
}

.academy-footer {
  flex-wrap: wrap;
  padding-block: 24px 40px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .academy-grid.four,
  .academy-grid.three { grid-template-columns: repeat(2, 1fr); }
  .academy-hero { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .academy-nav,
  .academy-home,
  .academy-footer { width: min(100% - 24px, 1180px); }
  .academy-nav nav a:not(.nav-cta) { display: none; }
  .academy-home { padding-top: 20px; }
  .academy-hero,
  .academy-cta { grid-template-columns: 1fr; padding: 24px; border-radius: 20px; }
  .academy-grid.four,
  .academy-grid.three { grid-template-columns: 1fr; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .section-heading,
  .academy-footer { align-items: flex-start; flex-direction: column; }
}

body.menu-open {
  overflow: hidden;
}

button {
  border: 0;
  color: inherit;
  font: inherit;
  cursor: pointer;
  min-height: 44px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.app-shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: 100vh;
}

.rail {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 18px;
  border-right: 1px solid var(--line);
  background: rgba(16, 20, 23, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(72, 213, 151, 0.45);
  border-radius: 14px;
  background: #12251f;
}

.brand-mark svg {
  width: 31px;
  height: 31px;
  fill: rgba(72, 213, 151, 0.18);
  stroke: var(--green);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand strong,
.sync-panel strong,
.dataset-badge strong {
  display: block;
}

.brand small,
.sync-panel small,
.dataset-badge small,
.metrics small,
.mode-card span {
  color: var(--muted);
}

.rail-close,
.menu-toggle {
  display: none;
}

.nav {
  display: grid;
  gap: 8px;
}

.rail-links {
  display: grid;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.rail-links a {
  padding: 9px 12px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.92rem;
  text-decoration: none;
}

.rail-links a:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.premium-nav-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3px 10px;
  padding: 13px;
  border: 1px solid rgba(69, 218, 164, 0.42);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(69, 218, 164, 0.14), rgba(91, 199, 225, 0.07));
  color: var(--text);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.premium-nav-card:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(69, 218, 164, 0.2), rgba(91, 199, 225, 0.1));
}

.premium-nav-icon {
  grid-row: 1 / span 2;
  color: var(--accent);
  font-size: 1.15rem;
}

.premium-nav-card strong,
.premium-nav-card small {
  display: block;
}

.premium-nav-card small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.3;
}

.premium-nav-price {
  grid-column: 2;
  width: fit-content;
  margin-top: 6px;
  padding: 3px 7px;
  border-radius: 999px;
  background: rgba(69, 218, 164, 0.16);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
}

.premium-consent {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.4;
}

.premium-consent input {
  flex: 0 0 auto;
  margin-top: 3px;
  accent-color: var(--accent);
}

.nav-item,
.ghost-button,
.secondary-button,
.primary-button,
.mode-card {
  border-radius: 14px;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  background: transparent;
  color: var(--muted);
  text-align: left;
  text-decoration: none;
}

.nav-item.active,
.nav-item:hover {
  background: var(--panel-2);
  color: var(--text);
}

.sync-panel {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.dataset-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: -10px;
  padding: 10px 12px;
  border: 1px solid rgba(72, 213, 151, 0.18);
  border-radius: 14px;
  background: rgba(72, 213, 151, 0.055);
}

.pulse {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 8px rgba(72, 213, 151, 0.13);
}

main {
  width: min(1480px, 100%);
  margin-inline: auto;
  padding: calc(22px + env(safe-area-inset-top)) 22px 22px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.menu-toggle {
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--green);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1;
}

h2 {
  font-size: 1.25rem;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.account-pill {
  display: flex;
  min-height: 42px;
  max-width: 360px;
  align-items: center;
  gap: 10px;
  padding: 4px 10px;
  border: 1px solid rgba(94, 199, 223, 0.28);
  border-radius: 999px;
  background: rgba(94, 199, 223, 0.07);
  color: var(--muted);
  font-size: 0.86rem;
  overflow: hidden;
}

.account-pill > div {
  max-width: 230px;
  overflow: hidden;
}

.onboarding-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  margin: 18px 0 16px;
  padding: 16px;
  border: 1px solid rgba(72, 213, 151, 0.25);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(72, 213, 151, 0.13), rgba(167, 139, 250, 0.08)), rgba(23, 29, 33, 0.86);
  box-shadow: var(--shadow);
}

.onboarding-card h2 {
  max-width: 880px;
  font-size: clamp(1.1rem, 2.2vw, 1.55rem);
}

.onboarding-card p {
  margin: 8px 0 0;
  color: var(--muted);
}

.onboarding-perks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.onboarding-perks span {
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  white-space: nowrap;
}

.pwa-nudge {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  margin: 0 0 14px;
  padding: 14px 16px;
  border: 1px solid rgba(94, 199, 223, 0.22);
  border-radius: 18px;
  background: rgba(23, 29, 33, 0.72);
}

.pwa-nudge h2 {
  font-size: 1.08rem;
}

.pwa-nudge p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

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

.pwa-actions span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
}

.app-status {
  position: sticky;
  top: 10px;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 14px;
  padding: 12px 14px;
  border: 1px solid rgba(241, 201, 107, 0.4);
  border-radius: 16px;
  background: rgba(30, 31, 24, 0.96);
  color: var(--text);
  box-shadow: var(--shadow);
}

.app-status button {
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--gold);
  color: #15100a;
  font-weight: 900;
}

.primary-button,
.secondary-button,
.ghost-button {
  min-height: 42px;
  padding: 0 16px;
}

.primary-button {
  background: var(--green);
  color: #07110d;
  font-weight: 800;
}

.secondary-button {
  width: 100%;
  margin-top: 18px;
  background: var(--cyan);
  color: #061115;
  font-weight: 800;
}

.premium-detail {
  display: inline-flex;
  margin-top: 14px;
  color: var(--cyan);
  font-weight: 800;
  text-decoration: none;
}

.ghost-button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.compact {
  min-height: 34px;
  padding: 0 12px;
  font-size: 0.9rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.compact-metrics {
  margin: 14px 0;
}

.compact-metrics article {
  padding: 13px;
  box-shadow: none;
}

.compact-metrics strong {
  font-size: 1.45rem;
}

.metrics article,
.mission-strip,
.quiz-panel,
.insight-panel,
.study-map,
.session-card,
.control-panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(23, 29, 33, 0.92);
  box-shadow: var(--shadow);
}

.metrics article {
  padding: 16px;
}

.metrics span {
  color: var(--muted);
  font-size: 0.88rem;
}

.metrics strong {
  display: block;
  margin: 8px 0 3px;
  font-size: 1.8rem;
}

.mission-strip,
.mission-compact {
  display: grid;
  grid-template-columns: minmax(180px, 0.9fr) minmax(220px, 1.5fr) minmax(120px, 0.45fr);
  gap: 18px;
  align-items: center;
  margin-bottom: 18px;
  padding: 16px 18px;
}

.mission-compact {
  margin: 0 0 20px;
  padding: 0 0 18px;
  border-bottom: 1px solid var(--line);
}

.ad-band {
  display: none;
  margin: 0;
  padding: 10px;
  border: 1px dashed rgba(155, 167, 166, 0.38);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
  text-align: center;
  font-size: 0.88rem;
}

.ad-band.ready {
  display: block;
}

.mission-strip strong,
.mission-compact strong,
.session-score strong {
  display: block;
  font-size: 1.2rem;
}

.mission-strip span,
.mission-compact span,
.session-score small {
  color: var(--muted);
}

.session-progress {
  overflow: hidden;
  height: 14px;
  border-radius: 999px;
  background: #0d1214;
}

.session-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--gold));
  transition: width 220ms ease;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(320px, 0.85fr);
  gap: 18px;
}

.focus-workspace {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 330px);
}

.quiz-panel,
.insight-panel,
.study-map,
.session-card {
  padding: 22px;
  min-width: 0;
}

.quiz-panel {
  min-height: 520px;
}

.premium-card {
  align-self: start;
}

.question-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.question-meta span,
.panel-head span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
}

#questionText {
  max-width: 950px;
  font-size: clamp(1.35rem, 3vw, 2.15rem);
  line-height: 1.22;
  overflow-wrap: anywhere;
}

.options {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.option {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel-2);
  text-align: left;
  overflow-wrap: anywhere;
}

.option:hover {
  border-color: rgba(94, 199, 223, 0.72);
  transform: translateY(-1px);
}

.option-letter {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 13px;
  background: #12181b;
  color: var(--cyan);
  font-weight: 800;
}

.option.correct {
  border-color: rgba(72, 213, 151, 0.9);
  background: rgba(72, 213, 151, 0.12);
}

.option.wrong {
  border-color: rgba(255, 107, 107, 0.9);
  background: rgba(255, 107, 107, 0.1);
}

.feedback {
  margin-top: 16px;
  padding: 14px;
  border-left: 4px solid var(--green);
  border-radius: 8px;
  background: #11191a;
}

.feedback.wrong {
  border-left-color: var(--red);
}

.login-gate {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: 16px;
  align-items: center;
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(241, 201, 107, 0.4);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(241, 201, 107, 0.13), rgba(94, 199, 223, 0.08));
}

.login-gate h3 {
  margin: 0;
  font-size: 1.15rem;
}

.login-gate p {
  margin: 7px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.hidden {
  display: none !important;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.coach-copy {
  color: #dbe2dd;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.lower-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 18px;
  margin-top: 18px;
}

.control-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.75fr);
  gap: 18px;
  margin-top: 18px;
}

.section-stack {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.collapsible-panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(23, 29, 33, 0.86);
  box-shadow: var(--shadow);
}

.collapsible-panel summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.collapsible-panel summary::-webkit-details-marker {
  display: none;
}

.collapsible-panel summary::after {
  content: "＋";
  color: var(--green);
  font-weight: 900;
}

.collapsible-panel[open] summary::after {
  content: "−";
}

.collapsible-panel summary span {
  color: var(--text);
  font-weight: 900;
}

.collapsible-panel summary small {
  color: var(--muted);
}

.compact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 14px;
  padding: 0 18px 18px;
}

.compact-grid.single {
  grid-template-columns: minmax(0, 520px);
}

.seo-panel {
  margin-top: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(23, 29, 33, 0.72);
  color: #dbe2dd;
}

.guide-preview {
  margin-top: 18px;
  padding: 22px;
  border: 1px solid rgba(94, 199, 223, 0.22);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(94, 199, 223, 0.08), rgba(72, 213, 151, 0.05)), rgba(23, 29, 33, 0.86);
  box-shadow: var(--shadow);
}

.academy-inline {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 18px;
  padding: 0 18px 18px;
}

.academy-copy p {
  color: var(--muted);
  line-height: 1.6;
}

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

.academy-links a {
  display: grid;
  gap: 10px;
  min-height: 108px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  text-decoration: none;
}

.academy-links a:hover {
  border-color: rgba(72, 213, 151, 0.66);
}

.academy-links span {
  color: var(--green);
  font-weight: 900;
}

.ghost-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
}

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

.guide-grid a {
  display: grid;
  gap: 8px;
  min-height: 150px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  text-decoration: none;
}

.guide-grid a:hover {
  border-color: rgba(72, 213, 151, 0.65);
  transform: translateY(-1px);
}

.guide-grid span {
  color: var(--green);
  font-weight: 900;
}

.guide-grid small {
  color: var(--muted);
  line-height: 1.45;
}

.seo-panel p {
  max-width: 980px;
  color: var(--muted);
  line-height: 1.6;
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.seo-grid article {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
}

.seo-grid strong,
.seo-grid span {
  display: block;
}

.seo-grid span {
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.45;
}

.article-shell {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.article-hero,
.article-card {
  margin-top: 18px;
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(23, 29, 33, 0.9);
  box-shadow: var(--shadow);
}

.article-hero h1,
.article-card h1 {
  max-width: 860px;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.02;
}

.article-hero p,
.article-card p,
.article-card li {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.72;
}

.article-card h2 {
  margin-top: 28px;
}

.lead {
  color: #dbe2dd !important;
  font-size: 1.15rem !important;
}

.article-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.article-list a {
  display: grid;
  gap: 6px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  text-decoration: none;
}

.article-list span {
  color: var(--muted);
}

.primary-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 20px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--green);
  color: #07110d;
  font-weight: 900;
  text-decoration: none;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0;
}

.pricing-grid section {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
}

.pricing-grid span,
.pricing-grid strong {
  display: block;
}

.pricing-grid span {
  color: var(--green);
  font-weight: 900;
}

.pricing-grid strong {
  margin-top: 8px;
  font-size: 1.5rem;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 22px;
  padding: 18px 0 6px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer span {
  color: var(--text);
  font-weight: 800;
}

.site-footer small {
  color: var(--muted);
  font-size: 0.92rem;
}

.control-panel {
  padding: 22px;
  min-width: 0;
}

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

.filters label {
  display: grid;
  gap: 7px;
}

.filters label span {
  color: var(--muted);
  font-size: 0.86rem;
}

.filters select {
  min-height: 42px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111719;
  color: var(--text);
  padding: 0 12px;
  font: inherit;
}

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

.area-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 74px;
  gap: 12px;
  align-items: center;
}

.bar {
  overflow: hidden;
  height: 10px;
  margin-top: 7px;
  border-radius: 999px;
  background: #101719;
}

.bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--cyan));
}

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

.mode-card {
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  text-align: left;
}

.mode-card strong {
  display: block;
  margin-bottom: 4px;
}

.mode-card.active {
  border-color: rgba(72, 213, 151, 0.75);
  background: rgba(72, 213, 151, 0.11);
}

.review-queue {
  display: grid;
  gap: 10px;
}

.review-item {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  overflow-wrap: anywhere;
}

.review-item strong {
  display: block;
  margin-bottom: 4px;
}

.review-item small {
  color: var(--muted);
}

.login-panel,
.install-actions {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.login-panel small,
.install-panel p {
  color: var(--muted);
  line-height: 1.45;
  overflow-wrap: anywhere;
}

#googleSignInButton,
#topGoogleSignInButton,
#gateGoogleSignInButton {
  min-height: 44px;
  max-width: 100%;
  overflow: hidden;
}

.consent-banner {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  width: min(680px, calc(100vw - 36px));
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(23, 29, 33, 0.98);
  box-shadow: var(--shadow);
}

.consent-banner p {
  margin: 5px 0 0;
  color: var(--muted);
}

.consent-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: grid;
  }

  .drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: 19;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(4px);
  }

  .drawer-backdrop:not([hidden]) {
    display: block;
  }

  .rail {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 20;
    width: min(310px, 86vw);
    transform: translateX(-105%);
    transition: transform 180ms ease;
    box-shadow: var(--shadow);
  }

  body.menu-open .rail {
    transform: translateX(0);
  }

  .rail-close {
    display: grid;
    width: 36px;
    height: 36px;
    margin-left: auto;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
  }

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

  .nav-item {
    justify-content: flex-start;
    text-align: center;
    padding: 13px 14px;
  }

  .sync-panel {
    display: none;
  }

  main {
    padding: calc(18px + env(safe-area-inset-top)) 18px calc(18px + env(safe-area-inset-bottom));
  }

  .metrics,
  .workspace,
  .focus-workspace,
  .compact-grid,
  .compact-grid.single,
  .seo-grid,
  .guide-grid,
  .academy-inline,
  .academy-links,
  .pwa-nudge,
  .pricing-grid,
  .mission-strip,
  .mission-compact,
  .onboarding-card,
  .login-gate {
    grid-template-columns: 1fr;
  }

  .onboarding-perks {
    justify-content: flex-start;
  }

  .pwa-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-actions,
  .top-actions > button {
    width: 100%;
  }

  .pwa-actions,
  .pwa-actions button {
    width: 100%;
  }

  .pwa-actions span {
    width: 100%;
    text-align: center;
  }

  .app-status {
    align-items: stretch;
    flex-direction: column;
  }

  .account-pill {
    width: 100%;
    max-width: none;
    justify-content: space-between;
    border-radius: 14px;
  }

  .account-pill > div {
    max-width: 210px;
  }

  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .compact-metrics article {
    padding: 11px;
  }

  .metrics article,
  .quiz-panel,
  .insight-panel,
  .study-map,
  .session-card,
  .control-panel {
    padding: 14px;
  }

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

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

  .consent-banner {
    grid-template-columns: 1fr;
  }

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

  .consent-actions button {
    flex: 1;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  #questionText {
    font-size: 1.28rem;
  }

  .quiz-panel {
    min-height: auto;
  }

  .option {
    grid-template-columns: 32px minmax(0, 1fr);
    padding: 12px;
  }

  .onboarding-card,
  .login-gate {
    padding: 14px;
  }

  .collapsible-panel summary {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px;
  }

  .collapsible-panel summary::after {
    position: absolute;
    right: 18px;
  }

  .compact-grid {
    padding: 0 12px 12px;
  }

  .insight-panel.compact-side {
    order: 2;
  }

  .onboarding-perks span {
    width: 100%;
  }

  .option-letter {
    width: 32px;
    height: 32px;
  }
}