.rvpi-active {
  --rvpi-red: #c4152b;
  --rvpi-red-dark: #9f1022;
  --rvpi-blue: #3776ab;
  --rvpi-gold: #ffd343;
  --rvpi-ink: #18202a;
  --rvpi-muted: #596474;
  --rvpi-line: #dfe4ea;
  --rvpi-surface: #f7f9fb;
  --rvpi-white: #fff;
}

.rvpi-active .rvpi-guide,
.rvpi-active .rvpi-code-lab {
  box-sizing: border-box;
  margin: 2.5rem 0;
  border: 1px solid var(--rvpi-line);
  border-top: 4px solid var(--rvpi-red);
  border-radius: 16px;
  background: linear-gradient(145deg, #fff 0%, #f8fafc 100%);
  box-shadow: 0 18px 44px rgba(23, 31, 42, .08);
  color: var(--rvpi-ink);
  overflow: hidden;
}

.rvpi-active .rvpi-guide *,
.rvpi-active .rvpi-code-lab * {
  box-sizing: border-box;
}

.rvpi-active .rvpi-guide-header,
.rvpi-active .rvpi-code-lab-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem 2.25rem 1.5rem;
}

.rvpi-active .rvpi-guide h2,
.rvpi-active .rvpi-code-lab h3 {
  margin: .25rem 0 .4rem;
  color: var(--rvpi-ink);
  font-size: clamp(1.55rem, 3vw, 2rem);
  line-height: 1.15;
}

.rvpi-active .rvpi-guide-header p,
.rvpi-active .rvpi-code-lab-header p {
  margin: 0;
  color: var(--rvpi-muted);
}

.rvpi-active .rvpi-eyebrow {
  display: inline-block;
  color: var(--rvpi-red-dark);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.rvpi-active .rvpi-progress {
  flex: 0 0 230px;
  padding-top: .7rem;
}

.rvpi-active .rvpi-progress-text {
  display: block;
  margin-bottom: .55rem;
  color: var(--rvpi-ink);
  font-size: .83rem;
  font-weight: 750;
  text-align: right;
}

.rvpi-active .rvpi-progress-track,
.rvpi-active .rvpi-score > span {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: #e5e9ee;
  overflow: hidden;
}

.rvpi-active .rvpi-progress-bar,
.rvpi-active .rvpi-score i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--rvpi-red), #e84a5f);
  transition: width .28s ease;
}

.rvpi-active .rvpi-quiz,
.rvpi-active .rvpi-result {
  margin: 0 2.25rem;
  padding: 1.5rem;
  border: 1px solid var(--rvpi-line);
  border-radius: 14px;
  background: var(--rvpi-white);
}

.rvpi-active .rvpi-question {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}

.rvpi-active .rvpi-question-number {
  display: grid;
  width: 2.55rem;
  height: 2.55rem;
  place-items: center;
  border-radius: 50%;
  background: rgba(196, 21, 43, .09);
  color: var(--rvpi-red-dark);
  font-size: .85rem;
  font-weight: 850;
}

.rvpi-active .rvpi-question h3,
.rvpi-active .rvpi-result h3 {
  margin: 0 0 .3rem;
  color: var(--rvpi-ink);
  font-size: clamp(1.22rem, 2.3vw, 1.55rem);
}

.rvpi-active .rvpi-question p,
.rvpi-active .rvpi-result > p {
  margin: 0;
  color: var(--rvpi-muted);
}

.rvpi-active .rvpi-choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  margin-top: 1.25rem;
}

.rvpi-active .rvpi-choice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .75rem;
  align-items: start;
  width: 100%;
  min-height: 88px;
  padding: 1rem;
  border: 1px solid var(--rvpi-line);
  border-radius: 12px;
  background: #fff;
  color: var(--rvpi-ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.rvpi-active .rvpi-choice:hover {
  border-color: #bdc5ce;
  transform: translateY(-1px);
}

.rvpi-active .rvpi-choice.is-selected {
  border-color: var(--rvpi-red);
  box-shadow: 0 0 0 3px rgba(196, 21, 43, .11);
}

.rvpi-active .rvpi-choice-mark {
  width: 18px;
  height: 18px;
  margin-top: .1rem;
  border: 2px solid #aeb7c2;
  border-radius: 50%;
}

.rvpi-active .rvpi-choice.is-selected .rvpi-choice-mark {
  border: 5px solid var(--rvpi-red);
}

.rvpi-active .rvpi-choice strong,
.rvpi-active .rvpi-choice small {
  display: block;
}

.rvpi-active .rvpi-choice strong {
  margin-bottom: .2rem;
  font-size: .98rem;
}

.rvpi-active .rvpi-choice small {
  color: var(--rvpi-muted);
  font-size: .84rem;
  line-height: 1.45;
}

.rvpi-active .rvpi-quiz-actions,
.rvpi-active .rvpi-result-actions,
.rvpi-active .rvpi-code-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .7rem;
}

.rvpi-active .rvpi-quiz-actions {
  justify-content: space-between;
  padding: 1.15rem 2.25rem 2rem;
}

.rvpi-active .rvpi-button,
.rvpi-active .rvpi-text-button,
.rvpi-active .rvpi-code-tabs button,
.rvpi-active .rvpi-copy {
  appearance: none;
  border: 0;
  font: inherit;
  font-size: .88rem;
  font-weight: 750;
  cursor: pointer;
}

.rvpi-active .rvpi-button {
  padding: .72rem 1.05rem;
  border-radius: 999px;
}

.rvpi-active .rvpi-button-primary {
  border: 1px solid var(--rvpi-red);
  background: var(--rvpi-red);
  color: #fff;
}

.rvpi-active .rvpi-button-primary:hover {
  border-color: var(--rvpi-red-dark);
  background: var(--rvpi-red-dark);
}

.rvpi-active .rvpi-button-secondary {
  border: 1px solid var(--rvpi-line);
  background: #fff;
  color: var(--rvpi-ink);
}

.rvpi-active .rvpi-button-secondary:hover {
  border-color: #b8c1cb;
  background: var(--rvpi-surface);
}

.rvpi-active .rvpi-button:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.rvpi-active .rvpi-result {
  margin-bottom: 2rem;
  padding: 1.7rem;
}

.rvpi-active .rvpi-score-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.35rem 0;
}

.rvpi-active .rvpi-score {
  padding: 1rem;
  border: 1px solid var(--rvpi-line);
  border-radius: 12px;
  background: var(--rvpi-surface);
}

.rvpi-active .rvpi-score > div {
  display: flex;
  justify-content: space-between;
  margin-bottom: .55rem;
}

.rvpi-active .rvpi-score-ruby i {
  background: var(--rvpi-red);
}

.rvpi-active .rvpi-score-python i {
  background: linear-gradient(90deg, var(--rvpi-blue), #5b9ccc);
}

.rvpi-active .rvpi-text-button {
  padding: .5rem;
  background: transparent;
  color: var(--rvpi-red-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.rvpi-active .rvpi-code-lab {
  padding-bottom: 1.5rem;
}

.rvpi-active .rvpi-code-tabs {
  display: flex;
  gap: .35rem;
  padding: .3rem;
  border: 1px solid var(--rvpi-line);
  border-radius: 999px;
  background: #fff;
}

.rvpi-active .rvpi-code-tabs button {
  padding: .55rem .9rem;
  border-radius: 999px;
  background: transparent;
  color: var(--rvpi-muted);
}

.rvpi-active .rvpi-code-tabs button[aria-selected="true"] {
  background: var(--rvpi-ink);
  color: #fff;
}

.rvpi-active .rvpi-code-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: 0 2.25rem;
}

.rvpi-active .rvpi-code-panel {
  min-width: 0;
  border: 1px solid #2d3744;
  border-radius: 13px;
  background: #141a22;
  box-shadow: 0 12px 28px rgba(15, 23, 32, .14);
  overflow: hidden;
}

.rvpi-active .rvpi-code-panel-ruby {
  border-top: 3px solid var(--rvpi-red);
}

.rvpi-active .rvpi-code-panel-python {
  border-top: 3px solid var(--rvpi-gold);
}

.rvpi-active .rvpi-code-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 52px;
  padding: .65rem .85rem .65rem 1rem;
  border-bottom: 1px solid #2d3744;
}

.rvpi-active .rvpi-code-panel h3 {
  margin: 0;
  color: #fff;
  font-size: 1rem;
}

.rvpi-active .rvpi-copy {
  padding: .45rem .65rem;
  border: 1px solid #485466;
  border-radius: 8px;
  background: #222b37;
  color: #dfe7f1;
}

.rvpi-active .rvpi-copy:hover {
  border-color: #718096;
  background: #2c3745;
}

.rvpi-active .rvpi-code-panel pre {
  min-height: 310px;
  margin: 0;
  padding: 1.15rem;
  border: 0;
  border-radius: 0;
  background: #141a22;
  color: #e8edf5;
  font-size: .82rem;
  line-height: 1.65;
  overflow: auto;
  white-space: pre;
}

.rvpi-active .rvpi-code-actions {
  padding: 1rem 2.25rem 0;
}

.rvpi-active .rvpi-reveal-panel {
  margin: 1rem 2.25rem 0;
  padding: 1rem 1.15rem;
  border: 1px solid var(--rvpi-line);
  border-radius: 12px;
  background: #fff;
}

.rvpi-active .rvpi-reveal-panel pre {
  margin: .7rem 0 0;
  padding: .8rem 1rem;
  border-radius: 9px;
  background: #141a22;
  color: #fff;
}

.rvpi-active .rvpi-walkthrough ul {
  margin: 0;
  padding-left: 1.25rem;
}

.rvpi-active .rvpi-walkthrough li + li {
  margin-top: .5rem;
}

.rvpi-active .rvpi-table-scroll {
  margin: 1.25rem 0 1.75rem;
  border: 1px solid var(--rvpi-line);
  border-radius: 14px;
  box-shadow: 0 10px 28px rgba(23, 31, 42, .06);
  overflow-x: auto;
}

.rvpi-active .rvpi-table-scroll table {
  width: 100%;
  min-width: 680px;
  margin: 0;
  border: 0;
}

.rvpi-active .rvpi-table-scroll thead th {
  background: var(--rvpi-ink);
  color: #fff;
}

.rvpi-active .rvpi-table-scroll tbody tr {
  transition: background .16s ease;
}

.rvpi-active .rvpi-table-scroll tbody tr:hover,
.rvpi-active .rvpi-table-scroll tbody tr:focus {
  background: #fff6f7;
  outline: none;
}

.rvpi-active .rvpi-button:focus-visible,
.rvpi-active .rvpi-text-button:focus-visible,
.rvpi-active .rvpi-choice:focus-visible,
.rvpi-active .rvpi-copy:focus-visible,
.rvpi-active .rvpi-code-tabs button:focus-visible,
.rvpi-active .rvpi-table-scroll:focus-visible,
.rvpi-active .rvpi-table-scroll tr:focus-visible {
  outline: 3px solid rgba(55, 118, 171, .45);
  outline-offset: 3px;
}

@media (max-width: 760px) {
  .rvpi-active .rvpi-guide-header,
  .rvpi-active .rvpi-code-lab-header {
    display: block;
    padding: 1.45rem 1.2rem 1rem;
  }

  .rvpi-active .rvpi-progress {
    padding-top: 1rem;
  }

  .rvpi-active .rvpi-progress-text {
    text-align: left;
  }

  .rvpi-active .rvpi-quiz,
  .rvpi-active .rvpi-result {
    margin: 0 1.2rem;
    padding: 1.1rem;
  }

  .rvpi-active .rvpi-choices,
  .rvpi-active .rvpi-score-grid,
  .rvpi-active .rvpi-code-grid {
    grid-template-columns: 1fr;
  }

  .rvpi-active .rvpi-choice {
    min-height: 0;
  }

  .rvpi-active .rvpi-quiz-actions,
  .rvpi-active .rvpi-code-grid,
  .rvpi-active .rvpi-code-actions {
    padding-right: 1.2rem;
    padding-left: 1.2rem;
  }

  .rvpi-active .rvpi-code-tabs {
    display: inline-flex;
    margin-top: 1rem;
  }

  .rvpi-active .rvpi-code-panel:not(.is-active) {
    display: none;
  }

  .rvpi-active .rvpi-code-panel pre {
    min-height: 0;
  }

  .rvpi-active .rvpi-reveal-panel {
    margin-right: 1.2rem;
    margin-left: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rvpi-active .rvpi-progress-bar,
  .rvpi-active .rvpi-score i,
  .rvpi-active .rvpi-choice {
    transition: none;
  }
}