:root {
  --tutorial-navy: #213362;
  --tutorial-blue: #1b4472;
  --tutorial-yellow: #FFCD00;
  --tutorial-panel-blue: #213362;
  --tutorial-card-blue: #333e67;
  --tutorial-card-blue-dark: #2e3860;
  --tutorial-text-light: #ffffff;
  --tutorial-text-muted: #9db0cc;
  --tutorial-badge-bg: rgba(140, 158, 210, 0.18);
  --tutorial-overlay: rgba(8, 12, 30, 0.75);
  --tutorial-text: #1f2937;
  --tutorial-muted: #5d6b82;
}

.tutorial-overlay {
  position: fixed;
  inset: 0;
  z-index: 30000;
  pointer-events: auto;
}

.tutorial-overlay.hidden {
  display: none;
}

.tutorial-mask {
  position: fixed;
  background: var(--tutorial-overlay);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  transition: none;
  pointer-events: auto;
}

.tutorial-tooltip {
  position: fixed;
  width: min(380px, calc(100vw - 24px));
  background: #ffffff;
  color: var(--tutorial-text);
  border-radius: 18px;
  box-shadow: 0 28px 64px rgba(5, 12, 32, 0.45), 0 4px 16px rgba(5, 12, 32, 0.2);
  border: none;
  overflow: hidden;
  transition: transform 240ms ease, opacity 240ms ease;
  animation: tutorialFadeIn 220ms ease;
  z-index: 30003;
}

.tutorial-tooltip__header {
  background: linear-gradient(135deg, #213362 0%, #1b4472 100%);
  color: #fff;
  padding: 18px 20px 16px;
  border-bottom: 3px solid #FFCD00;
}

.tutorial-tooltip__kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font: 700 11px/1.2 Nunito Sans, sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 205, 0, 0.9);
}

.tutorial-tooltip__title {
  margin: 8px 0 0;
  font: 800 18px/1.25 Nunito Sans, sans-serif;
  color: #ffffff;
}

.tutorial-tooltip__body {
  padding: 16px 20px 12px;
  background: #ffffff;
}

.tutorial-tooltip__content {
  margin: 0;
  color: #2c3e5c;
  font: 500 14px/1.6 Nunito Sans, sans-serif;
}

.tutorial-tooltip__progress {
  margin: 14px 0 0;
  height: 5px;
  width: 100%;
  border-radius: 999px;
  background: #e8eef6;
  overflow: hidden;
}

.tutorial-tooltip__progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #FFCD00, #e8b900);
  transition: width 240ms ease;
}

.tutorial-tooltip__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 20px 18px;
  background: #f7f9fc;
  border-top: 1px solid #e8eef6;
}

.tutorial-btn-group {
  display: flex;
  gap: 8px;
}

.tutorial-btn {
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  font: 700 13px/1 Nunito Sans, sans-serif;
  padding: 9px 13px;
}

.tutorial-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.tutorial-btn--ghost {
  background: #edf1f8;
  color: #2c3f64;
}

.tutorial-btn--primary {
  background: #FFCD00;
  color: #12224a;
  font-weight: 800;
  box-shadow: 0 3px 10px rgba(255, 205, 0, 0.35);
}

.tutorial-btn--primary:hover {
  background: #ffe030;
  box-shadow: 0 4px 14px rgba(255, 205, 0, 0.5);
}

.tutorial-btn--link {
  background: transparent;
  color: var(--tutorial-blue);
  padding-left: 0;
  padding-right: 0;
}

.tutorial-arrow {
  position: fixed;
  width: 0;
  height: 0;
  border-style: solid;
  z-index: 30002;
  animation: tutorialFadeIn 200ms ease;
}

.tutorial-arrow.hidden {
  display: none;
}

.tutorial-arrow--top {
  border-width: 0 10px 12px 10px;
  border-color: transparent transparent #ffffff transparent;
}

.tutorial-arrow--right {
  border-width: 10px 12px 10px 0;
  border-color: transparent #ffffff transparent transparent;
}

.tutorial-arrow--bottom {
  border-width: 12px 10px 0 10px;
  border-color: #ffffff transparent transparent transparent;
}

.tutorial-arrow--left {
  border-width: 10px 0 10px 12px;
  border-color: transparent transparent transparent #ffffff;
}

.tutorial-highlight {
  position: relative;
  /* z-index removed: elevated z-index caused large spotlighted elements to render
     above the overlay stacking context, hiding the tooltip card behind them. The
     spotlight cutout is achieved through the mask gaps, not via z-index. */
  border-radius: 12px;
  box-shadow: 0 0 0 3px rgba(255, 205, 0, 0.95), 0 0 0 8px rgba(255, 205, 0, 0.28);
  animation: tutorialPulse 1.35s ease-in-out infinite;
}

.tutorial-zoom-focus {
  animation: tutorialZoomIn 360ms cubic-bezier(0.2, 0.65, 0.2, 1);
  transform-origin: center;
}

.tutorial-menu {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px 14px;
  z-index: 30004;
}

.tutorial-menu::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 30, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 0;
}

.tutorial-menu__panel {
  position: relative;
  z-index: 1;
}

.tutorial-menu__panel {
  width: min(720px, 100%);
  max-height: calc(100vh - 28px);
  overflow: auto;
  background: var(--tutorial-panel-blue);
  border-radius: 18px;
  box-shadow: 0 24px 56px rgba(3, 10, 30, 0.8), inset 0 3px 0 var(--tutorial-yellow);
  border: 1px solid rgba(255, 205, 0, 0.15);
  /* z-index set by .tutorial-menu > .tutorial-menu__panel rule above */
}

.tutorial-menu__surface {
  padding: 26px 28px 28px;
  display: block;
}

.tutorial-menu__title {
  margin: 8px 0 0;
  max-width: 100%;
  font: 900 30px/1.1 Nunito Sans, sans-serif;
  color: var(--tutorial-text-light);
  letter-spacing: -0.01em;
}

.tutorial-menu__title span {
  color: var(--tutorial-yellow);
}

.tutorial-menu__subtitle {
  margin: 10px 0 0;
  max-width: 100%;
  font: 400 13px/1.5 Nunito Sans, sans-serif;
  color: var(--tutorial-text-muted);
}

.tutorial-menu__intro {
  padding: 0;
  background: transparent;
}

.tutorial-menu__chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(12, 18, 48, 0.85);
  border: 1px solid rgba(255, 205, 0, 0.4);
  color: var(--tutorial-yellow);
  font: 700 10px/1 Nunito Sans, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.tutorial-menu__chapters {
  margin-top: 18px;
  padding: 0;
}

.tutorial-menu__grid {
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(230px, 100%), 1fr));
  gap: 10px;
}

.tutorial-chapter-card {
  appearance: none;
  text-align: left;
  font: inherit;
  color: inherit;
  width: 100%;
  cursor: pointer;
  border: 0;
  border-radius: 12px;
  padding: 12px 13px 13px;
  background: var(--tutorial-card-blue);
  display: flex;
  flex-direction: column;
  gap: 7px;
  box-shadow: inset 0 0 0 1px rgba(140, 158, 210, 0.2);
  transition: box-shadow 120ms ease, filter 120ms ease;
}

.tutorial-chapter-card:hover {
  filter: brightness(1.12);
  box-shadow: inset 0 0 0 1px rgba(206, 221, 255, 0.3);
}

.tutorial-chapter-card--active {
  box-shadow: inset 0 0 0 1px rgba(242, 205, 69, 0.5);
}

.tutorial-chapter-card:focus-visible {
  outline: 2px solid rgba(242, 205, 69, 0.75);
  outline-offset: 2px;
}

.tutorial-chapter-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.tutorial-chapter-card__num {
  color: var(--tutorial-yellow);
  font: 700 10px/1 Nunito Sans, sans-serif;
  letter-spacing: 0.08em;
}

.tutorial-card__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.tutorial-card__icon {
  width: 20px;
  height: 20px;
  color: var(--tutorial-yellow);
  display: inline-grid;
  place-items: center;
}

.tutorial-card__icon-svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.tutorial-card__badge {
  border-radius: 999px;
  padding: 3px 7px;
  background: var(--tutorial-badge-bg);
  color: #cad7f0;
  font: 700 10px/1 Nunito Sans, sans-serif;
}

.tutorial-chapter-card--active .tutorial-card__badge {
  background: rgba(255, 205, 0, .15);
  color: var(--tutorial-yellow);
}

.tutorial-card__title {
  margin: 0;
  font: 700 14px/1.2 Nunito Sans, sans-serif;
  color: var(--tutorial-text-light);
}

.tutorial-card__text {
  margin: 0;
  color: #8a95b8;
  font: 400 12px/1.4 Nunito Sans, sans-serif;
  min-height: 44px;
}

.tutorial-help-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 0;
  background: transparent;
  color: #FFCD00;
  font: 800 12px/1 Nunito Sans, sans-serif;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

@keyframes tutorialPulse {
  0% {
    box-shadow: 0 0 0 3px rgba(255, 205, 0, 0.95), 0 0 0 8px rgba(255, 205, 0, 0.25);
  }
  50% {
    box-shadow: 0 0 0 3px rgba(255, 205, 0, 0.95), 0 0 0 14px rgba(255, 205, 0, 0.17);
  }
  100% {
    box-shadow: 0 0 0 3px rgba(255, 205, 0, 0.95), 0 0 0 8px rgba(255, 205, 0, 0.25);
  }
}

@keyframes tutorialFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes tutorialZoomIn {
  0% {
    transform: scale(0.96);
  }
  55% {
    transform: scale(1.03);
  }
  100% {
    transform: scale(1);
  }
}

@media (max-width: 767px) {
  .tutorial-menu {
    padding: 14px 8px;
  }

  .tutorial-menu__surface {
    padding: 18px 16px 20px;
  }

  .tutorial-menu__title {
    font-size: 30px;
    max-width: 100%;
  }

  .tutorial-menu__subtitle {
    font-size: 14px;
  }

  .tutorial-menu__grid {
    padding: 0;
    grid-template-columns: 1fr;
  }

  .tutorial-card__title {
    font-size: 20px;
  }

  .tutorial-card__text {
    font-size: 16px;
  }

  .tutorial-card__actions .tutorial-btn {
    font-size: 14px;
  }

  .tutorial-tooltip {
    width: calc(100vw - 16px);
  }
}