/* Renaissance Test Prep — mobile first, parchment and terracotta. */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 18px;
  color-scheme: light;
}

body {
  margin: 0;
  color: #1c140c;
  background: #e4d3b4;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.45;
}

body.has-bar {
  padding-bottom: calc(84px + env(safe-area-inset-bottom));
}

h1,
h2,
h3,
.serif {
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  font-weight: 700;
  line-height: 1.25;
}

h2 {
  font-size: 1.35rem;
  margin: 0 0 0.6rem;
}

h3 {
  font-size: 1.15rem;
  margin: 1rem 0 0.4rem;
}

p {
  margin: 0.55rem 0;
}

a {
  color: #6e2412;
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  touch-action: manipulation;
}

button:disabled {
  opacity: 0.45;
  cursor: default;
}

:focus-visible {
  outline: 3px solid #9c3418;
  outline-offset: 2px;
}

::selection {
  background: #f0d48a;
  color: #1c140c;
}

.app {
  max-width: 640px;
  margin: 0 auto;
  min-height: 100dvh;
  background: #f7f0e1;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 4px;
  padding: calc(8px + env(safe-area-inset-top)) 10px 8px;
  background: #f7f0e1;
  border-bottom: 3px solid #9c3418;
}

.topbar h1 {
  margin: 0;
  font-size: 1.05rem;
  text-align: center;
}

.top-side {
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.top-meta {
  justify-content: flex-end;
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
  color: #5c4a38;
  font-weight: 700;
}

.back {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0 4px;
  color: #6e2412;
  font-weight: 700;
  text-decoration: none;
}

main {
  padding: 16px 16px 28px;
  touch-action: pan-y;
}

.bottombar {
  position: fixed;
  z-index: 30;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: min(640px, 100%);
  display: flex;
  gap: 8px;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  background: #f7f0e1;
  border-top: 1px solid #d9c7a6;
  box-shadow: 0 -6px 16px rgba(60, 30, 10, 0.06);
}

.bottombar[hidden] {
  display: none;
}

.bar-btn {
  flex: 1;
  min-height: 48px;
  border-radius: 12px;
  border: 2px solid #9c3418;
  background: #fffaf2;
  color: #6e2412;
  font-weight: 700;
  padding: 8px 6px;
  line-height: 1.15;
}

.bar-btn.primary {
  background: #9c3418;
  color: #fffaf2;
}

.lede {
  font-size: 1.05rem;
}

.quiet {
  color: #5c4a38;
  font-size: 0.95rem;
}

.plan,
.teach,
.panel,
.essay,
.cram-block {
  background: #fffaf2;
  border: 1px solid #e0d0b4;
  border-radius: 14px;
  padding: 14px;
  margin: 12px 0;
}

.plan {
  border-left: 6px solid #8a6232;
}

.kicker {
  display: block;
  color: #9c3418;
  font-family: Georgia, "Iowan Old Style", Palatino, serif;
  margin-bottom: 4px;
}

.parts {
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
}

.parts li {
  padding: 10px 0;
  border-bottom: 1px solid #e0d0b4;
}

.parts li:last-child {
  border-bottom: 0;
}

.part-name {
  font-weight: 700;
}

.tiles {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}

.tile {
  display: block;
  text-decoration: none;
  color: inherit;
  background: #fffaf2;
  border: 1px solid #e0d0b4;
  border-left: 6px solid #9c3418;
  border-radius: 14px;
  padding: 14px 14px 14px 16px;
  min-height: 44px;
}

.tile strong {
  display: block;
  font-family: Georgia, "Iowan Old Style", Palatino, serif;
  font-size: 1.15rem;
}

.tile span {
  color: #5c4a38;
}

.credits-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 8px;
  margin-right: 20px;
}

.prompt {
  font-family: Georgia, "Iowan Old Style", Palatino, serif;
  font-size: 1.25rem;
  margin: 0 0 0.6rem;
}

.answer {
  font-family: Georgia, "Iowan Old Style", Palatino, serif;
  font-size: 1.55rem;
  margin: 0 0 0.4rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 12px;
}

.chip,
.text-btn,
.pair button,
.choice,
.segment button {
  min-height: 48px;
}

.chip,
.text-btn {
  border-radius: 999px;
  border: 2px solid #9c3418;
  background: transparent;
  color: #6e2412;
  font-weight: 700;
  padding: 8px 14px;
}

.chip.is-on,
.segment button[aria-selected="true"] {
  background: #9c3418;
  color: #fffaf2;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0;
}

.flip-scene {
  perspective: 1200px;
}

.flip-card {
  display: grid;
  min-height: 16rem;
  cursor: pointer;
}

.flip-face {
  grid-area: 1 / 1;
  background: #fffaf2;
  border: 1px solid #e0d0b4;
  border-radius: 16px;
  padding: 16px;
  animation: flip-in 0.28s ease-out;
}

.flip-card:not(.is-flipped) .flip-back,
.flip-card.is-flipped .flip-front {
  display: none;
}

.flip-back {
  background: #fff6e3;
}

@keyframes flip-in {
  from {
    transform: perspective(1200px) rotateY(-80deg);
    opacity: 0.4;
  }
  to {
    transform: none;
    opacity: 1;
  }
}

.tap-hint {
  margin-top: 1rem;
}

.art-frame {
  background: #efe4cf;
  border-radius: 12px;
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: 8px 0;
}

.art-frame img {
  width: 100%;
  height: auto;
  max-height: min(56vh, 520px);
  object-fit: contain;
  display: block;
  opacity: 0;
}

.art-frame img.is-ready {
  opacity: 1;
}

.art-missing {
  min-height: 160px;
  width: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 16px;
  color: #3a2c1e;
  font-family: Georgia, "Iowan Old Style", Palatino, serif;
  border: 2px dashed #b89a62;
}

.teach {
  border-left: 4px solid #8a6232;
}

.hook {
  margin-top: 8px;
}

.label {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #8a6232;
  font-weight: 700;
}

.blank-sentence {
  font-size: 1.05rem;
}

.blank {
  display: inline-block;
  min-width: 4.5rem;
  padding: 0 0.25rem 0.05rem;
  border-bottom: 2px solid #9c3418;
  text-align: center;
}

.blank.filled {
  background: #f3e1a6;
  border-bottom-color: #8a6232;
  font-weight: 700;
  text-align: left;
}

.hint-list {
  margin: 8px 0;
  padding-left: 1.1rem;
}

.pair {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.pair button {
  flex: 1;
  border-radius: 12px;
  border: 2px solid #9c3418;
  background: #fffaf2;
  font-weight: 700;
  padding: 10px;
}

.pair .got {
  background: #0e6b3a;
  border-color: #0e6b3a;
  color: #fffaf2;
}

.choice {
  display: block;
  width: 100%;
  text-align: left;
  margin: 8px 0;
  padding: 12px 14px;
  border-radius: 12px;
  border: 2px solid #c9b48e;
  background: #fffaf2;
  font-weight: 600;
}

.choice:disabled {
  opacity: 1;
}

.choice.is-correct {
  background: #e5f6ea;
  border-color: #0e6b3a;
}

.choice.is-wrong {
  background: #fdecea;
  border-color: #9d1c1c;
}

.tag {
  display: block;
  margin-top: 2px;
  font-size: 0.85rem;
  font-weight: 700;
}

.choice.is-correct .tag {
  color: #0e6b3a;
}

.choice.is-wrong .tag {
  color: #9d1c1c;
}

.score {
  font-family: Georgia, "Iowan Old Style", Palatino, serif;
  font-size: 2.4rem;
  margin: 0.2rem 0;
}

.stack-btns {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.stack-btns button,
.wide-btn {
  min-height: 48px;
  border-radius: 12px;
  border: 2px solid #9c3418;
  background: #9c3418;
  color: #fffaf2;
  font-weight: 700;
  padding: 10px 14px;
}

.stack-btns .secondary,
.wide-btn.secondary {
  background: #fffaf2;
  color: #6e2412;
}

.banner {
  display: inline-block;
  background: #f3e1a6;
  color: #1c140c;
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 700;
  margin: 0 0 8px;
}

.clues,
.checklist {
  margin: 0.3rem 0 0.6rem;
  padding-left: 1.2rem;
}

.clues li,
.checklist li {
  margin: 0.35rem 0;
}

.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  min-height: 44px;
  padding: 8px 0;
}

.check input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.2rem;
  flex: none;
  accent-color: #9c3418;
}

.recipe {
  margin: 0.3rem 0 0.6rem;
  padding-left: 1.3rem;
}

.recipe li {
  margin: 0.4rem 0;
}

details.sample > summary {
  min-height: 48px;
  padding: 12px 2px;
  font-weight: 700;
  cursor: pointer;
}

.starters li {
  margin: 0.45rem 0;
}

.segment {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: #efe4cf;
  border-radius: 14px;
  margin-bottom: 12px;
}

.segment button {
  flex: 1;
  border: 0;
  border-radius: 10px;
  background: transparent;
  font-weight: 700;
  padding: 8px 6px;
}

.map-wrap {
  position: relative;
  width: 100%;
  margin: 8px 0 12px;
  background: #efe4cf;
  border-radius: 12px;
}

.map-wrap img.map-img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0;
}

.map-wrap img.map-img.is-ready {
  opacity: 1;
}

.map-missing {
  aspect-ratio: 12.8 / 12.1;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 16px;
  font-family: Georgia, "Iowan Old Style", Palatino, serif;
  border: 2px dashed #b89a62;
}

.pin-layer {
  position: absolute;
  inset: 0;
}

.pin {
  position: absolute;
  width: 44px;
  height: 44px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  transform: translate(-50%, -50%);
}

.pin-dot {
  width: 36px;
  height: 36px;
  margin: 4px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 0 0 3px #fffaf2;
}

.pin-city .pin-dot {
  background: #9c3418;
  color: #fffaf2;
}

.pin-sea .pin-dot {
  background: #fffaf2;
  color: #1d4e89;
  border: 3px solid #1d4e89;
  border-radius: 8px;
}

.pin-name {
  position: absolute;
  left: 50%;
  top: calc(100% - 4px);
  transform: translateX(-50%);
  background: rgba(247, 240, 225, 0.95);
  border: 1px solid #c9b48e;
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
  pointer-events: none;
}

.pin.label-above .pin-name {
  top: auto;
  bottom: calc(100% - 4px);
}

.pin-layer.is-blind .pin-name,
.pin-layer.is-blind .pin-num {
  visibility: hidden;
}

.pin.is-hot .pin-dot {
  box-shadow: 0 0 0 3px #fffaf2, 0 0 0 6px #c8962e;
}

.pin.is-correct .pin-dot {
  box-shadow: 0 0 0 3px #fffaf2, 0 0 0 6px #0e6b3a;
}

.pin.is-wrong .pin-dot {
  box-shadow: 0 0 0 3px #fffaf2, 0 0 0 6px #9d1c1c;
}

.tips summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  font-weight: 700;
  cursor: pointer;
}

.tips ol {
  margin: 0 0 8px;
  padding-left: 1.3rem;
}

.tips li {
  margin: 0.3rem 0;
}

.locked-pill {
  display: inline-block;
  background: #e5f6ea;
  color: #0e6b3a;
  font-weight: 700;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 0.85rem;
}

.cram h2 {
  color: #9c3418;
  font-size: 1.3rem;
  margin: 1.1rem 0 0.35rem;
}

.cram li {
  margin: 0.45rem 0;
}

.credit {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e0d0b4;
}

.credit-bit {
  display: block;
  color: #5c4a38;
  font-size: 0.95rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.compare-grid {
  display: grid;
  gap: 10px;
}

.compare-card {
  background: #fffaf2;
  border: 1px solid #e0d0b4;
  border-radius: 12px;
  padding: 8px;
}

.compare-card h3 {
  margin: 4px 0;
}

@media (min-width: 700px) {
  body {
    padding-top: 16px;
  }

  .app {
    min-height: calc(100dvh - 16px);
    box-shadow: 0 0 0 1px #e0d0b4, 0 12px 40px rgba(60, 30, 10, 0.12);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

}

@media (prefers-contrast: more) {
  .tile,
  .choice,
  .teach,
  .plan,
  .panel,
  .flip-face {
    border-color: #1c140c;
  }
}