:root {
  --color-primary: #0f2d52;
  --color-primary-dark: #0b2340;
  --color-accent: #d62839;
  --color-warning: #f4b400;
  --color-success: #2e9e5b;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #1f2937;
  --color-text-soft: #6b7280;
  --color-border: #dbe3ea;
  --shadow-soft: 0 18px 40px rgba(15, 45, 82, 0.08);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --space-xs: clamp(0.5rem, 0.45rem + 0.2vw, 0.7rem);
  --space-sm: clamp(0.75rem, 0.6rem + 0.5vw, 1rem);
  --space-md: clamp(1rem, 0.8rem + 0.8vw, 1.4rem);
  --space-lg: clamp(1.35rem, 1rem + 1.2vw, 2rem);
  --space-xl: clamp(1.8rem, 1.3rem + 1.8vw, 2.8rem);
  --max-width: 1040px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(214, 40, 57, 0.08), transparent 20%),
    linear-gradient(180deg, #f9fbff 0%, #f8fafc 100%);
  color: var(--color-text);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

iframe {
  border: 0;
}

.app-shell {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 0.9rem 1rem;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.brand-mark {
  width: clamp(56px, 14vw, 96px);
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  flex: 0 0 auto;
  border-radius: clamp(16px, 4vw, 28px);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  box-shadow: 0 12px 24px rgba(15, 45, 82, 0.25);
  position: relative;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 999px;
}

.brand-mark::before {
  width: 42%;
  height: 12%;
  top: 44%;
  left: 29%;
}

.brand-mark::after {
  width: 12%;
  height: 42%;
  top: 29%;
  left: 44%;
}

.eyebrow {
  margin: 0 0 0.2rem;
  color: var(--color-accent);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

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

h1 {
  font-size: clamp(1.45rem, 1.2rem + 1vw, 2.2rem);
  line-height: 1.1;
}

.lesson-progress {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: rgba(15, 45, 82, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(15, 45, 82, 0.12);
  padding: 0.5rem 0.65rem;
  border-radius: 999px;
  font-weight: 700;
  text-align: center;
}

.progress-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  min-width: max-content;
}

.progress-nav-button {
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--color-primary);
  font-weight: 900;
  line-height: 1;
  padding: 0;
  transition: background-color 0.16s ease, transform 0.16s ease, opacity 0.16s ease;
}

.progress-nav-button:hover,
.progress-nav-button:focus-visible {
  background: rgba(15, 45, 82, 0.1);
  transform: translateY(-1px);
}

.progress-nav-button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}



.lesson-card,
.completion-card,
.empty-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0;
  box-shadow: none;
  overflow: hidden;
}

.lesson-header {
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(15, 45, 82, 0.04), rgba(15, 45, 82, 0));
}

.lesson-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.84rem;
  color: var(--color-primary);
  background: rgba(15, 45, 82, 0.08);
  border: 1px solid rgba(15, 45, 82, 0.1);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  margin-bottom: var(--space-sm);
  font-weight: 700;
}

.route-map-button {
  width: fit-content;
  cursor: pointer;
  transition: background-color 0.16s ease, transform 0.16s ease, border-color 0.16s ease;
}

.route-map-button:hover,
.route-map-button:focus-visible {
  background: rgba(15, 45, 82, 0.12);
  border-color: rgba(15, 45, 82, 0.18);
  transform: translateY(-1px);
}

.lesson-title {
  font-size: clamp(1.45rem, 1.1rem + 1vw, 2rem);
  margin-bottom: 0.45rem;
}

.lesson-subtitle {
  color: var(--color-text-soft);
  font-size: clamp(0.98rem, 0.9rem + 0.25vw, 1.05rem);
  width: 100%;
  max-width: none;
  line-height: 1.55;
}

.lesson-content {
  display: grid;
  gap: 0;
  padding: 0;
}

.content-block {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
}

.block-title {
  font-size: 1.05rem;
  color: var(--color-primary);
}

.block-label {
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-text-soft);
}

.video-shell {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #0c1727;
}

.video-shell iframe,
.game-frame {
  width: 100%;
  height: 100%;
  min-height: inherit;
  display: block;
}

.description-card {
  background: #fbfcfe;
  border: 1px solid var(--color-border);
  border-radius: 0;
  padding: 1rem;
  display: grid;
  gap: 1rem;
}

.description-card p {
  line-height: 1.65;
}

.description-stack {
  display: grid;
  gap: var(--space-xs);
}

.helper-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.helper-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(244, 180, 0, 0.13);
  color: #866100;
  border: 1px solid rgba(244, 180, 0, 0.22);
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
  font-weight: 700;
  font-size: 0.92rem;
}

.primary-button,
.secondary-button,
.start-game-button {
  min-height: 52px;
  padding: 0.95rem 1.15rem;
  border-radius: 14px;
  border: 0;
  font-weight: 800;
  transition: transform 0.16s ease, background-color 0.16s ease, color 0.16s ease, opacity 0.16s ease;
}

.primary-button {
  background: var(--color-primary);
  color: #ffffff;
}

.start-game-button {
  width: 100%;
  display: block;
  min-height: clamp(58px, 6vw, 72px);
  border-radius: 16px;
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 14px 28px rgba(214, 40, 57, 0.2);
}

.primary-button:hover,
.primary-button:focus-visible {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.start-game-button:hover,
.start-game-button:focus-visible {
  background: #be2030;
  transform: translateY(-1px);
}

.primary-button:disabled,
.start-game-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.secondary-button {
  background: rgba(15, 45, 82, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(15, 45, 82, 0.12);
}

.secondary-button:hover,
.secondary-button:focus-visible {
  background: rgba(15, 45, 82, 0.12);
  transform: translateY(-1px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.actions--full {
  width: 100%;
}

.actions--full > * {
  width: 100%;
}

.game-stage {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-left: 0;
  border-right: 0;
  border-radius: 0;
  background: var(--color-surface);
  overflow: hidden;
}

.game-stage[hidden] {
  display: none;
}

.game-stage__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(46, 158, 91, 0.07), rgba(46, 158, 91, 0));
}

.game-title-wrap {
  display: grid;
  gap: 0.35rem;
}

.game-status {
  color: var(--color-text-soft);
  font-size: 0.94rem;
  line-height: 1.45;
}

.game-stage__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.7rem;
}

.game-frame-wrap {
  width: 100%;
  aspect-ratio: auto;
  height: calc(100vh - 11rem);
  min-height: calc(100vh - 11rem);
  background: #ffffff;
}

.game-stage.is-live .game-frame-wrap {
  height: calc(100vh - 8.5rem);
  min-height: calc(100vh - 8.5rem);
}

.completion-card,
.empty-card {
  padding: var(--space-xl);
  display: grid;
  gap: var(--space-md);
  text-align: center;
}

.completion-title {
  color: var(--color-primary);
  font-size: clamp(1.55rem, 1.15rem + 1vw, 2.1rem);
}

.completion-copy,
.empty-card p {
  color: var(--color-text-soft);
  line-height: 1.65;
  max-width: 60ch;
  margin: 0 auto;
}


body.game-open .lesson-card {
  border-left: 0;
  border-right: 0;
}

body.game-open .lesson-header,
body.game-open .content-block {
  display: none;
}

body.game-open .lesson-content {
  gap: 0;
}

body.game-open .game-stage__top {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

body.game-open .game-frame-wrap {
  height: calc(100vh - 7.75rem);
  min-height: calc(100vh - 7.75rem);
}

body.game-open .next-lesson-button {
  min-height: 68px;
}

body.game-open .game-stage {
  animation: game-stage-reveal 320ms ease-out;
}

body.game-open .game-frame-wrap {
  animation: game-frame-reveal 380ms ease-out;
}

@keyframes game-stage-reveal {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes game-frame-reveal {
  from {
    opacity: 0;
    transform: scale(0.985);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 700px) {
  .topbar,
  .game-stage__top {
    flex-direction: column;
    align-items: stretch;
  }

  .lesson-progress {
    width: 100%;
  }

  .route-map-button,
  .route-map-back,
  .route-map-kicker {
    width: 100%;
  }

  .actions > *,
  .game-stage__actions > * {
    width: 100%;
  }

  .game-frame-wrap {
    height: calc(100svh - 10rem);
    min-height: calc(100svh - 10rem);
  }

  body.game-open .game-frame-wrap {
    height: calc(100svh - 7rem);
    min-height: calc(100svh - 7rem);
  }
}

@media (orientation: landscape) and (max-height: 560px) {
  .topbar {
    padding: 0.7rem 0.85rem;
  }

  .lesson-header {
    padding: 0.85rem;
  }

  .video-shell {
    aspect-ratio: 16 / 8.2;
  }

  .game-frame-wrap {
    height: calc(100svh - 7rem);
    min-height: calc(100svh - 7rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
    animation: none !important;
  }
}

.next-lesson-wrap {
  padding: 0;
  border-top: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(15, 45, 82, 0.03), rgba(15, 45, 82, 0));
}

.next-lesson-button {
  width: 100%;
  min-height: 64px;
  border: 0;
  border-radius: 0;
  background: var(--color-accent);
  color: #ffffff;
  font: inherit;
  font-size: 1rem;
  font-weight: 800;
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: transform 0.16s ease, opacity 0.16s ease;
}

.next-lesson-button:hover,
.next-lesson-button:focus-visible {
  transform: translateY(-1px);
  opacity: 0.94;
}

.route-map-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0;
  box-shadow: none;
  overflow: hidden;
}

.route-map-header {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(15, 45, 82, 0.04), rgba(15, 45, 82, 0));
}

.route-map-back {
  justify-self: start;
  min-height: 44px;
  border-radius: 999px;
  padding: 0.7rem 1rem;
}

.route-map-kicker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  color: var(--color-primary);
  background: rgba(15, 45, 82, 0.08);
  border: 1px solid rgba(15, 45, 82, 0.1);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font-size: 0.84rem;
  font-weight: 700;
}

.route-map-header h2 {
  color: var(--color-primary);
  font-size: clamp(1.45rem, 1.1rem + 1vw, 2rem);
}

.route-map-summary {
  color: var(--color-text-soft);
  line-height: 1.6;
  max-width: 100%;
  overflow-wrap: break-word;
}

@media (min-width: 1180px) {
  .route-map-summary {
    white-space: nowrap;
  }
}

.route-map-sections {
  display: grid;
  gap: 0;
}

.route-map-section {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.route-map-section:last-child {
  border-bottom: 0;
}

.route-map-section__heading {
  display: grid;
  gap: 0.35rem;
}

.route-map-section__heading h3 {
  color: var(--color-primary);
  font-size: 1.1rem;
}

.route-map-section__heading p {
  color: var(--color-text-soft);
  line-height: 1.55;
}

.route-map-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 0.85rem;
}

.route-card {
  display: grid;
  gap: 1rem;
  align-content: space-between;
  min-height: 100%;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  background: #fbfcfe;
}

.route-card--disabled {
  opacity: 0.72;
}

.route-card__body {
  display: grid;
  gap: 0.5rem;
}

.route-card__status {
  width: fit-content;
  color: var(--color-primary);
  background: rgba(15, 45, 82, 0.08);
  border: 1px solid rgba(15, 45, 82, 0.1);
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 800;
}

.route-card__title {
  color: var(--color-text);
  font-size: 1rem;
}

.route-card__detail {
  color: var(--color-text-soft);
  line-height: 1.55;
  font-size: 0.94rem;
}

.route-card__button {
  min-height: 48px;
  border: 0;
  border-radius: 14px;
  background: var(--color-accent);
  color: #ffffff;
  font-weight: 800;
  transition: transform 0.16s ease, opacity 0.16s ease, background-color 0.16s ease;
}

.route-card__button:hover,
.route-card__button:focus-visible {
  background: #be2030;
  transform: translateY(-1px);
}

.route-card__button:disabled {
  background: rgba(15, 45, 82, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(15, 45, 82, 0.12);
  cursor: not-allowed;
  transform: none;
}

/* Completion screen: keep the logo/header like the practice cards.
   The completion status pill moves below the full logo space and directly above the completion message. */
body.path-complete .topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

body.path-complete .topbar > .lesson-progress {
  display: none;
}

body.path-complete .completion-card {
  padding-top: var(--space-md);
}

.completion-progress-pill {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  justify-self: center;
  width: min(34rem, 100%);
  background: rgba(15, 45, 82, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(15, 45, 82, 0.12);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  text-align: center;
}

@media (max-width: 700px) {
  body.path-complete .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  body.path-complete .brand-wrap {
    width: 100%;
  }

  .completion-progress-pill {
    width: 100%;
  }
}

/* Platform access gate and account-aware route map */
.access-gate-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0;
  overflow: hidden;
}

.access-gate-hero {
  display: grid;
  gap: 0.8rem;
  padding: clamp(1rem, 2vw, 1.5rem);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(15, 45, 82, 0.05), rgba(15, 45, 82, 0));
  text-align: center;
}

.access-gate-hero .route-map-kicker {
  justify-self: center;
}

.access-gate-hero h2 {
  color: var(--color-primary);
  font-size: clamp(1.8rem, 1.25rem + 2vw, 3rem);
  line-height: 1.05;
}

.access-gate-lead,
.access-gate-note,
.access-panel__helper,
.credit-start-note {
  color: var(--color-text-soft);
  line-height: 1.6;
}

.access-gate-lines {
  display: grid;
  gap: 0.35rem;
  color: var(--color-text);
  font-weight: 800;
  font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.25rem);
  justify-items: center;
  text-align: center;
}

.access-gate-cta {
  color: var(--color-primary);
  font-weight: 900;
  font-size: 1.06rem;
}

.gate-notice,
.lesson-inline-notice {
  background: rgba(214, 40, 57, 0.08);
  border: 1px solid rgba(214, 40, 57, 0.18);
  color: #8b1723;
  border-radius: 14px;
  padding: 0.85rem 1rem;
  line-height: 1.45;
  font-weight: 700;
}

.access-gate-grid {
  display: grid;
  grid-template-columns: minmax(18rem, 0.8fr) minmax(0, 1.2fr);
  gap: 0;
}

.access-panel {
  display: grid;
  gap: 1rem;
  padding: clamp(1rem, 2vw, 1.35rem);
  border-right: 1px solid var(--color-border);
}

.access-panel:last-child {
  border-right: 0;
}

.access-panel h3 {
  color: var(--color-primary);
  font-size: 1.15rem;
}

.login-form {
  display: grid;
  gap: 0.9rem;
}

.login-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--color-text);
  font-weight: 800;
}

.login-form input {
  min-height: 48px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 0.8rem 0.9rem;
  font: inherit;
  color: var(--color-text);
  background: #ffffff;
}

.login-form input:focus {
  outline: 3px solid rgba(15, 45, 82, 0.16);
  border-color: rgba(15, 45, 82, 0.3);
}

.credit-package-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 0.85rem;
}

.credit-package-card {
  display: grid;
  gap: 0.55rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  background: #fbfcfe;
}

.credit-package-card--highlight {
  border-color: rgba(214, 40, 57, 0.22);
  box-shadow: 0 12px 28px rgba(214, 40, 57, 0.08);
}

.credit-package-card__price {
  color: var(--color-primary);
  font-weight: 900;
}

.credit-package-card h3 {
  color: var(--color-text);
  font-size: 1rem;
}

.credit-package-card p:not(.credit-package-card__price) {
  color: var(--color-text-soft);
  line-height: 1.45;
  font-size: 0.92rem;
}

.credit-package-card__button {
  min-height: 48px;
  border-radius: 14px;
  margin-top: 0.2rem;
}

.route-map-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.route-map-account-panel {
  display: grid;
  justify-items: end;
  gap: 0.45rem;
  min-width: min(100%, 13rem);
}

.profile-pill,
.credits-meter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  border-radius: 999px;
  padding: 0.5rem 0.75rem;
  font-weight: 800;
  text-align: center;
}

.profile-pill {
  background: rgba(15, 45, 82, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(15, 45, 82, 0.1);
}

.credits-meter {
  background: rgba(46, 158, 91, 0.1);
  color: #1d6b3c;
  border: 1px solid rgba(46, 158, 91, 0.18);
}

.logout-button {
  border: 0;
  background: transparent;
  color: var(--color-text-soft);
  font: inherit;
  font-weight: 800;
  padding: 0.25rem 0;
}

.logout-button:hover,
.logout-button:focus-visible {
  color: var(--color-primary);
  text-decoration: underline;
}

.route-card__topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.route-card__achievement {
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 1000;
  line-height: 1;
}

.route-card__achievement--green {
  background: rgba(46, 158, 91, 0.13);
  color: #1d6b3c;
  border: 1px solid rgba(46, 158, 91, 0.22);
}

.route-card__achievement--gold {
  background: rgba(244, 180, 0, 0.16);
  color: #866100;
  border: 1px solid rgba(244, 180, 0, 0.28);
}

.route-card__achievement--empty {
  opacity: 0;
}

.route-card__credit-note {
  color: var(--color-text-soft);
  font-size: 0.86rem;
  font-weight: 800;
}

.credit-start-note {
  font-size: 0.9rem;
}

@media (max-width: 860px) {
  .access-gate-grid {
    grid-template-columns: 1fr;
  }

  .access-panel {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .access-panel:last-child {
    border-bottom: 0;
  }

  .route-map-toolbar {
    flex-direction: column;
  }

  .route-map-account-panel {
    width: 100%;
    justify-items: stretch;
  }

  .profile-pill,
  .credits-meter,
  .logout-button {
    width: 100%;
  }
}


.access-gate-hero {
  text-align: center;
  justify-items: center;
}

.access-gate-lines {
  justify-items: center;
}

.access-gate-note,
.access-gate-lead {
  max-width: 72rem;
}

.password-setup-card .access-gate-grid,
.password-setup-grid {
  grid-template-columns: minmax(min(100%, 18rem), 36rem);
  justify-content: center;
}

.password-setup-card .access-panel {
  border-right: 0;
}

/* Professional visual refresh: Inglés 211 Emergencias */
:root {
  --color-primary: #0f2d52;
  --color-primary-dark: #071b33;
  --color-primary-soft: #eaf1f8;
  --color-accent: #d62839;
  --color-accent-dark: #ae1d2b;
  --color-brand-plum: #6f234f;
  --color-gold-soft: #fff4cc;
  --color-bg: #f6f8fb;
  --color-surface: #ffffff;
  --color-surface-soft: #fbfdff;
  --color-text: #0d1b2f;
  --color-text-soft: #667085;
  --color-border: #d7e0ea;
  --shadow-soft: 0 18px 45px rgba(15, 45, 82, 0.1);
  --shadow-card: 0 18px 38px rgba(15, 45, 82, 0.08);
  --shadow-button: 0 14px 28px rgba(214, 40, 57, 0.22);
  --ring-focus: 0 0 0 4px rgba(214, 40, 57, 0.14);
  --ease-slick: cubic-bezier(0.2, 0.8, 0.2, 1);
}

body {
  background:
    radial-gradient(circle at 8% 0%, rgba(15, 45, 82, 0.12), transparent 26rem),
    radial-gradient(circle at 96% 6%, rgba(214, 40, 57, 0.13), transparent 24rem),
    linear-gradient(180deg, #ffffff 0%, var(--color-bg) 45%, #ffffff 100%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

.topbar {
  min-height: 6.25rem;
  padding: clamp(0.75rem, 1.8vw, 1.25rem) clamp(1rem, 2.3vw, 1.75rem);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(15, 45, 82, 0.1);
  box-shadow: 0 10px 30px rgba(15, 45, 82, 0.05);
  backdrop-filter: blur(14px);
  position: relative;
  z-index: 2;
}

.brand-wrap {
  gap: clamp(0.85rem, 1.7vw, 1.4rem);
}

.brand-mark {
  background:
    radial-gradient(circle at 30% 24%, rgba(255, 255, 255, 0.16), transparent 25%),
    linear-gradient(135deg, var(--color-primary) 0%, var(--color-brand-plum) 52%, var(--color-accent) 100%);
  box-shadow: 0 18px 36px rgba(15, 45, 82, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transition: transform 260ms var(--ease-slick), box-shadow 260ms var(--ease-slick);
}

.brand-wrap:hover .brand-mark {
  transform: translateY(-2px) scale(1.015);
  box-shadow: 0 22px 44px rgba(15, 45, 82, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.eyebrow {
  color: var(--color-accent);
  letter-spacing: 0.12em;
}

.topbar h1,
.lesson-title,
.route-map-header h2,
.access-gate-hero h2,
.completion-title {
  color: var(--color-text);
  letter-spacing: -0.035em;
}

.lesson-progress,
.route-map-kicker,
.lesson-kicker,
.profile-pill,
.credits-meter,
.completion-progress-pill,
.route-card__status {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(234, 241, 248, 0.78));
  border: 1px solid rgba(15, 45, 82, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85), 0 8px 20px rgba(15, 45, 82, 0.06);
}

.lesson-card,
.route-map-card,
.access-gate-card,
.completion-card,
.empty-card {
  border: 1px solid rgba(15, 45, 82, 0.11);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-soft);
}

.lesson-header,
.route-map-header,
.access-gate-hero {
  background:
    radial-gradient(circle at 50% -25%, rgba(15, 45, 82, 0.11), transparent 26rem),
    radial-gradient(circle at 90% 0%, rgba(214, 40, 57, 0.08), transparent 20rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 251, 255, 0.92));
}

.access-gate-hero {
  min-height: clamp(22rem, 42vw, 34rem);
  align-content: center;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.1rem, 5vw, 4rem);
}

.access-gate-hero h2 {
  color: var(--color-primary);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.75);
}

.access-gate-lead,
.access-gate-note {
  font-size: clamp(1rem, 0.95rem + 0.35vw, 1.18rem);
}

.access-gate-lines {
  gap: 0.45rem;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.access-gate-cta {
  color: var(--color-primary);
  margin-top: 0.2rem;
}

.access-gate-note {
  margin-top: 0.65rem;
}

.access-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(251, 253, 255, 0.98));
}

.access-panel h3,
.block-title,
.route-map-section__heading h3,
.access-panel h3,
.credit-package-card__price {
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.description-card,
.route-card,
.credit-package-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(251, 253, 255, 0.98));
  border: 1px solid rgba(15, 45, 82, 0.12);
  box-shadow: var(--shadow-card);
  transition: transform 220ms var(--ease-slick), box-shadow 220ms var(--ease-slick), border-color 220ms var(--ease-slick), background 220ms var(--ease-slick);
}

.route-card:hover,
.credit-package-card:hover,
.description-card:hover {
  transform: translateY(-3px);
  border-color: rgba(214, 40, 57, 0.2);
  box-shadow: 0 24px 48px rgba(15, 45, 82, 0.12);
}

.credit-package-card--highlight {
  border-color: rgba(214, 40, 57, 0.34);
  box-shadow: 0 20px 44px rgba(214, 40, 57, 0.12);
  position: relative;
}

.credit-package-card--highlight::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(214, 40, 57, 0.28), rgba(15, 45, 82, 0.08), transparent 55%);
  opacity: 0.38;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  padding: 1px;
  mask-composite: exclude;
  -webkit-mask-composite: xor;
}

.primary-button,
.start-game-button,
.next-lesson-button,
.route-card__button,
.credit-package-card__button {
  background: linear-gradient(135deg, var(--color-primary) 0%, #123b6c 100%);
  box-shadow: 0 14px 30px rgba(15, 45, 82, 0.18);
  transition: transform 180ms var(--ease-slick), box-shadow 180ms var(--ease-slick), filter 180ms var(--ease-slick), opacity 180ms var(--ease-slick);
}

.start-game-button,
.next-lesson-button,
.route-card__button:not(:disabled) {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  box-shadow: var(--shadow-button);
}

.primary-button:hover,
.primary-button:focus-visible,
.start-game-button:hover,
.start-game-button:focus-visible,
.next-lesson-button:hover,
.next-lesson-button:focus-visible,
.route-card__button:hover,
.route-card__button:focus-visible,
.credit-package-card__button:hover,
.credit-package-card__button:focus-visible {
  transform: translateY(-2px);
  filter: saturate(1.04) brightness(1.02);
  box-shadow: 0 18px 36px rgba(15, 45, 82, 0.22);
}

.start-game-button:hover,
.start-game-button:focus-visible,
.next-lesson-button:hover,
.next-lesson-button:focus-visible,
.route-card__button:hover,
.route-card__button:focus-visible {
  box-shadow: 0 18px 36px rgba(214, 40, 57, 0.25);
}

.secondary-button,
.logout-button {
  transition: transform 180ms var(--ease-slick), background-color 180ms var(--ease-slick), color 180ms var(--ease-slick), box-shadow 180ms var(--ease-slick);
}

.secondary-button:hover,
.secondary-button:focus-visible {
  box-shadow: 0 10px 24px rgba(15, 45, 82, 0.08);
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: none;
  box-shadow: var(--ring-focus);
}

.login-form input {
  border-color: rgba(15, 45, 82, 0.14);
  box-shadow: 0 8px 20px rgba(15, 45, 82, 0.04);
  transition: border-color 180ms var(--ease-slick), box-shadow 180ms var(--ease-slick), transform 180ms var(--ease-slick);
}

.login-form input:focus {
  border-color: rgba(214, 40, 57, 0.34);
  box-shadow: var(--ring-focus), 0 12px 24px rgba(15, 45, 82, 0.08);
  transform: translateY(-1px);
}

.video-shell,
.game-stage {
  box-shadow: 0 18px 38px rgba(15, 45, 82, 0.1);
}

.route-card__achievement--green,
.credits-meter {
  background: linear-gradient(180deg, rgba(46, 158, 91, 0.15), rgba(46, 158, 91, 0.08));
}

.route-card__achievement--gold {
  background: linear-gradient(180deg, rgba(244, 180, 0, 0.22), rgba(244, 180, 0, 0.11));
}

.gate-notice,
.lesson-inline-notice {
  background: linear-gradient(180deg, rgba(214, 40, 57, 0.1), rgba(214, 40, 57, 0.06));
  border-color: rgba(214, 40, 57, 0.24);
  box-shadow: 0 14px 30px rgba(214, 40, 57, 0.08);
}

.lesson-host > *,
.access-gate-hero > *,
.access-panel,
.credit-package-card,
.route-map-header > *,
.route-map-section,
.content-block,
.game-stage {
  animation: ie211-fade-up 420ms var(--ease-slick) both;
}

.access-gate-hero > *:nth-child(2) { animation-delay: 40ms; }
.access-gate-hero > *:nth-child(3) { animation-delay: 80ms; }
.access-gate-hero > *:nth-child(4) { animation-delay: 120ms; }
.access-gate-hero > *:nth-child(5) { animation-delay: 160ms; }
.access-gate-hero > *:nth-child(6) { animation-delay: 200ms; }
.credit-package-card:nth-child(2) { animation-delay: 60ms; }
.credit-package-card:nth-child(3) { animation-delay: 100ms; }
.credit-package-card:nth-child(4) { animation-delay: 140ms; }
.credit-package-card:nth-child(5) { animation-delay: 180ms; }
.credit-package-card:nth-child(6) { animation-delay: 220ms; }

@keyframes ie211-fade-up {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.992);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes ie211-soft-pulse {
  0%, 100% { box-shadow: 0 14px 30px rgba(214, 40, 57, 0.16); }
  50% { box-shadow: 0 18px 36px rgba(214, 40, 57, 0.25); }
}

.credit-package-card--highlight .credit-package-card__button {
  animation: ie211-soft-pulse 2.8s ease-in-out infinite;
}

@media (min-width: 960px) {
  .access-panel {
    padding: clamp(1.35rem, 2.4vw, 2rem);
  }

  .credit-package-card {
    padding: 1.25rem;
  }

  .lesson-header,
  .route-map-header {
    padding: clamp(1.2rem, 2vw, 1.75rem);
  }

  .content-block,
  .route-map-section {
    padding: clamp(1.1rem, 2vw, 1.6rem);
  }
}

@media (max-width: 700px) {
  .topbar {
    min-height: auto;
  }

  .brand-mark {
    width: clamp(58px, 17vw, 78px);
  }

  .access-gate-hero {
    min-height: auto;
    padding-top: 2rem;
    padding-bottom: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lesson-host > *,
  .access-gate-hero > *,
  .access-panel,
  .credit-package-card,
  .route-map-header > *,
  .route-map-section,
  .content-block,
  .game-stage,
  .credit-package-card--highlight .credit-package-card__button {
    animation: none !important;
  }
}

/* Relief polish: calmer, more reassuring UI */
:root {
  --color-primary-softest: #f2f6fb;
  --color-accent-soft: #fdecef;
  --shadow-relief: 0 24px 60px rgba(15, 45, 82, 0.09);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 12%, rgba(111, 35, 79, 0.055), transparent 22rem),
    radial-gradient(circle at 82% 16%, rgba(214, 40, 57, 0.06), transparent 20rem),
    radial-gradient(circle at 50% 100%, rgba(15, 45, 82, 0.05), transparent 28rem);
  z-index: 0;
}

.app-shell {
  position: relative;
  z-index: 1;
}

.page {
  max-width: 1260px;
  margin: 0 auto;
  padding: clamp(1rem, 2vw, 1.7rem) clamp(0.8rem, 2vw, 1.6rem) clamp(1.8rem, 3vw, 2.8rem);
}

.lesson-host {
  display: grid;
  gap: 1.15rem;
}

.topbar {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(250, 252, 255, 0.92));
}

.lesson-card,
.route-map-card,
.access-gate-card,
.completion-card,
.empty-card {
  border-radius: 30px;
  overflow: hidden;
  box-shadow: var(--shadow-relief);
}

.lesson-header,
.route-map-header,
.access-gate-hero {
  padding-left: clamp(1.15rem, 2.6vw, 2rem);
  padding-right: clamp(1.15rem, 2.6vw, 2rem);
}

.access-gate-card {
  position: relative;
}

.access-gate-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: min(28rem, 46%);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.15), transparent 85%),
    radial-gradient(circle at 50% -10%, rgba(255,255,255,0.95), rgba(255,255,255,0) 58%);
  pointer-events: none;
}

.access-gate-hero {
  min-height: clamp(24rem, 40vw, 34rem);
  gap: 0.95rem;
  padding-top: clamp(2.2rem, 5vw, 4.8rem);
  padding-bottom: clamp(2rem, 4.2vw, 4rem);
}

.access-gate-hero h2 {
  font-size: clamp(2.35rem, 5.5vw, 4.25rem);
  line-height: 0.98;
}

.access-gate-lead {
  max-width: 54rem;
  color: var(--color-text-soft);
}

.access-gate-lines {
  gap: 0.7rem;
  margin-top: 0.15rem;
}

.access-gate-lines p {
  font-size: clamp(1.15rem, 1rem + 0.9vw, 1.65rem);
  font-weight: 900;
  line-height: 1.16;
}

.access-gate-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(242, 246, 251, 0.92));
  border: 1px solid rgba(15, 45, 82, 0.1);
  border-radius: 999px;
  padding: 0.9rem 1.3rem;
  box-shadow: 0 14px 34px rgba(15, 45, 82, 0.07);
}

.access-gate-note {
  max-width: 70rem;
  color: #6f7787;
}

.access-gate-grid {
  gap: 1px;
  background: linear-gradient(180deg, rgba(15,45,82,0.08), rgba(15,45,82,0.05));
}

.access-panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.985), rgba(248, 251, 255, 0.97));
  padding: clamp(1.15rem, 2.3vw, 1.8rem);
}

.access-panel:first-child {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.99), rgba(251,252,255,0.98));
}

.access-panel:last-child {
  background:
    linear-gradient(180deg, rgba(252, 253, 255, 0.99), rgba(246, 249, 253, 0.98));
}

.login-form {
  gap: 1rem;
}

.login-form label {
  gap: 0.45rem;
}

.login-form input {
  min-height: 52px;
  background: rgba(255, 255, 255, 0.95);
}

.login-form button,
.primary-button,
.secondary-button,
.start-game-button,
.next-lesson-button,
.route-card__button,
.credit-package-card__button,
.route-map-back {
  border-radius: 16px;
}

.access-panel__helper,
.credit-start-note,
.route-map-summary,
.route-card__detail,
.game-status,
.description-card p,
.completion-copy,
.empty-card p {
  color: #667085;
}

.credit-package-grid {
  gap: 1rem;
}

.credit-package-card {
  position: relative;
  border-radius: 24px;
  padding: 1.2rem;
  overflow: hidden;
}

.credit-package-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.32), transparent 38%);
  pointer-events: none;
}

.credit-package-card__price {
  font-size: clamp(1.55rem, 1.2rem + 1vw, 2rem);
  line-height: 1;
}

.credit-package-card h3 {
  font-size: 1.08rem;
}

.credit-package-card--highlight {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.99), rgba(255,247,248,0.99));
}

.credit-package-card--highlight .credit-package-card__button {
  animation-duration: 3.2s;
}

.lesson-header,
.route-map-header {
  padding-top: clamp(1.15rem, 2vw, 1.85rem);
  padding-bottom: clamp(1rem, 2vw, 1.6rem);
}

.lesson-title,
.route-map-header h2,
.completion-title {
  font-size: clamp(1.65rem, 1.3rem + 1.1vw, 2.4rem);
}

.description-card,
.route-card {
  border-radius: 22px;
}

.helper-pill {
  background: linear-gradient(180deg, rgba(255, 245, 204, 0.8), rgba(255, 241, 186, 0.64));
}

.route-map-sections {
  gap: 0;
}

.route-map-section {
  padding-top: clamp(1.15rem, 2vw, 1.65rem);
  padding-bottom: clamp(1.15rem, 2vw, 1.65rem);
}

.route-map-section__heading {
  gap: 0.5rem;
}

.route-card {
  border-radius: 22px;
  padding: 1.1rem;
  gap: 1.1rem;
}

.route-card__button:disabled {
  background: linear-gradient(180deg, rgba(244, 247, 251, 0.95), rgba(236, 241, 247, 0.95));
}

.route-map-toolbar {
  align-items: center;
}

.route-map-account-panel {
  gap: 0.6rem;
}

.profile-pill,
.credits-meter {
  padding: 0.6rem 0.9rem;
}

.completion-card,
.empty-card {
  padding: clamp(1.7rem, 4vw, 3rem);
}

.gate-notice,
.lesson-inline-notice {
  border-radius: 18px;
}

@keyframes ie211-breathe {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
}

.brand-mark {
  animation: ie211-breathe 6s ease-in-out infinite;
}

@media (max-width: 860px) {
  .page {
    padding-left: 0.65rem;
    padding-right: 0.65rem;
  }

  .access-gate-hero {
    min-height: auto;
  }

  .access-gate-lines p {
    font-size: clamp(1.08rem, 1rem + 0.65vw, 1.35rem);
  }

  .access-gate-cta {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .lesson-card,
  .route-map-card,
  .access-gate-card,
  .completion-card,
  .empty-card,
  .description-card,
  .route-card,
  .credit-package-card {
    border-radius: 22px;
  }

  .topbar {
    padding-left: 0.8rem;
    padding-right: 0.8rem;
  }

  .access-gate-hero h2 {
    font-size: clamp(2rem, 11vw, 2.75rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-mark {
    animation: none !important;
  }
}