.box-model-hop-page {
  --pond-deep: #0f4c5c;
  --pond-mid: #0f766e;
  --pond-bright: #14b8a6;
  --leaf: #65a30d;
  --leaf-dark: #4d7c0f;
  --mud: #7c2d12;
  --sun: #f59e0b;
}

.box-model-hop-page .page {
  width: min(1220px, 97vw);
  padding: 28px 18px 40px;
}

.box-model-hop-page .page-header {
  gap: 10px;
  margin-bottom: 18px;
}

.box-model-hop-page .page-title {
  font-size: clamp(1.85rem, 3.5vw, 2.65rem);
}

.box-model-hop-page .page-subtitle {
  max-width: 72ch;
}

.box-model-hop-page .box-model-hop {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-radius: 24px;
  border-color: rgba(15, 118, 110, 0.24);
  background:
    radial-gradient(circle at 16% 10%, rgba(20, 184, 166, 0.2), transparent 38%),
    radial-gradient(circle at 88% 2%, rgba(245, 158, 11, 0.15), transparent 32%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(236, 253, 245, 0.9));
}

.box-model-hop-page .hidden {
  display: none !important;
}

.box-model-hop-page .hop-top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: start;
}

.box-model-hop-page .hop-eyebrow {
  margin: 0 0 8px;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(15, 23, 42, 0.58);
}

.box-model-hop-page .hop-directions {
  margin: 6px 0 0;
  max-width: 70ch;
  color: rgba(15, 23, 42, 0.74);
  line-height: 1.45;
}

.box-model-hop-page .hop-meta {
  min-width: 190px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(15, 118, 110, 0.18);
  background: linear-gradient(160deg, rgba(240, 253, 250, 0.98), rgba(219, 234, 254, 0.78));
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
}

.box-model-hop-page .hop-meta p {
  margin: 0;
}

.box-model-hop-page .hop-level {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(15, 23, 42, 0.6);
}

.box-model-hop-page .hop-solved {
  margin-top: 8px !important;
  font-size: 1rem;
  font-weight: 700;
  color: var(--pond-deep);
}

.box-model-hop-page .student-name-field {
  margin-top: 12px;
  display: grid;
  gap: 6px;
  font-size: 0.82rem;
  color: rgba(15, 23, 42, 0.82);
}

.box-model-hop-page .student-name-field input {
  width: 100%;
  border: 1px solid rgba(15, 23, 42, 0.22);
  border-radius: 10px;
  padding: 8px 10px;
  font: inherit;
  color: #0f172a;
  background: #ffffff;
}

.box-model-hop-page .student-name-field input:focus-visible {
  outline: 2px solid rgba(20, 184, 166, 0.5);
  outline-offset: 1px;
}

.box-model-hop-page .frog-track-wrap {
  position: relative;
  padding: 12px 10px 22px;
  border-radius: 20px;
  background:
    radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.18), transparent 18%),
    linear-gradient(180deg, rgba(20, 184, 166, 0.82), rgba(15, 76, 92, 0.96));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
  overflow: hidden;
}

.box-model-hop-page .frog-track-wrap::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 8px;
  background: linear-gradient(90deg, rgba(124, 45, 18, 0.85), rgba(180, 83, 9, 0.85));
}

.box-model-hop-page .frog-track {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  min-height: 56px;
}

.box-model-hop-page .track-pad {
  width: min(66px, 8vw);
  aspect-ratio: 1;
  border-radius: 50% 44% 50% 46%;
  background: radial-gradient(circle at 35% 35%, rgba(190, 242, 100, 0.95), rgba(77, 124, 15, 0.98));
  border: 2px solid rgba(255, 255, 255, 0.58);
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.18);
  position: relative;
}

.box-model-hop-page .track-pad::after {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  right: 12px;
  top: 10px;
}

.box-model-hop-page .track-pad.solved {
  filter: saturate(1.05) brightness(1.02);
  box-shadow: 0 12px 24px rgba(101, 163, 13, 0.3);
}

.box-model-hop-page .track-pad.active {
  transform: scale(1.06);
}

.box-model-hop-page .frog {
  position: absolute;
  top: 50%;
  left: 12px;
  font-size: clamp(1.8rem, 3.4vw, 2.35rem);
  line-height: 1;
  transform: translate(-50%, -50%);
  transition: left 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  filter: drop-shadow(0 8px 8px rgba(15, 23, 42, 0.22));
}

.box-model-hop-page .frog.jumping {
  animation: frog-hop 0.5s ease;
}

@keyframes frog-hop {
  0% { transform: translate(-50%, -50%) translateY(0) rotate(0deg); }
  35% { transform: translate(-50%, -50%) translateY(-22px) rotate(-8deg); }
  100% { transform: translate(-50%, -50%) translateY(0) rotate(0deg); }
}

.box-model-hop-page .play-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.95fr) minmax(230px, 0.8fr);
  gap: 14px;
  align-items: start;
}

.box-model-hop-page .level-card,
.box-model-hop-page .guide-card,
.box-model-hop-page .finish-card {
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: 20px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.box-model-hop-page .level-card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(245px, 0.82fr);
  gap: 12px 14px;
  align-items: start;
}

.box-model-hop-page .level-title {
  margin: 0;
  font-size: 1.15rem;
  grid-column: 1 / -1;
}

.box-model-hop-page .level-instructions {
  margin: 0;
  color: rgba(15, 23, 42, 0.74);
  line-height: 1.45;
  grid-column: 1 / -1;
}

.box-model-hop-page .scene-panel {
  display: grid;
  gap: 8px;
  grid-column: 1;
}

.box-model-hop-page .scene-frame {
  min-height: 248px;
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background:
    radial-gradient(circle at 10% 8%, rgba(20, 184, 166, 0.08), transparent 36%),
    linear-gradient(180deg, rgba(248, 250, 252, 0.98), rgba(226, 232, 240, 0.88));
  padding: 14px;
}

.box-model-hop-page .box-scene {
  height: 100%;
  display: grid;
  place-items: center;
  position: relative;
}

.box-model-hop-page .model-box {
  width: min(100%, 360px);
  position: relative;
}

.box-model-hop-page .ring {
  position: relative;
  border-radius: 18px;
}

.box-model-hop-page .ring-margin {
  padding: 26px;
  background: rgba(16, 185, 129, 0.14);
}

.box-model-hop-page .ring-border {
  padding: 12px;
  background: #0f172a;
}

.box-model-hop-page .ring-padding {
  padding: 18px;
  background: rgba(56, 189, 248, 0.18);
}

.box-model-hop-page .ring-content {
  min-height: 96px;
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(15, 23, 42, 0.08);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.box-model-hop-page .ring-label {
  position: absolute;
  left: 10px;
  top: 8px;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(15, 23, 42, 0.58);
  font-weight: 700;
}

.box-model-hop-page .content-sample {
  width: min(150px, 82%);
  display: grid;
  gap: 7px;
}

.box-model-hop-page .content-title {
  height: 12px;
  width: 72%;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.84);
}

.box-model-hop-page .content-line {
  height: 9px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.82);
}

.box-model-hop-page .content-line.short {
  width: 58%;
}

.box-model-hop-page .target-strip {
  position: absolute;
  border-radius: 12px;
  background: rgba(249, 115, 22, 0.22);
  box-shadow: inset 0 0 0 3px rgba(249, 115, 22, 0.78);
  pointer-events: none;
}

.box-model-hop-page .target-strip-left {
  top: 8px;
  bottom: 8px;
  left: 8px;
  width: 24px;
}

.box-model-hop-page .target-strip-right {
  top: 8px;
  bottom: 8px;
  right: 8px;
  width: 24px;
}

.box-model-hop-page .target-strip-top {
  left: 8px;
  right: 8px;
  top: 8px;
  height: 24px;
}

.box-model-hop-page .target-strip-bottom {
  left: 8px;
  right: 8px;
  bottom: 8px;
  height: 24px;
}

.box-model-hop-page .target-strip-all {
  inset: 8px;
}

.box-model-hop-page .target-strip-width {
  left: 14px;
  right: 14px;
  top: 50%;
  height: 26px;
  transform: translateY(-50%);
}

.box-model-hop-page .target-strip-height {
  top: 14px;
  bottom: 14px;
  left: 50%;
  width: 26px;
  transform: translateX(-50%);
}

.box-model-hop-page .callout {
  position: absolute;
  max-width: 145px;
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.92);
  color: #fff;
  font-size: 0.76rem;
  line-height: 1.25;
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.18);
}

.box-model-hop-page .callout::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  background: inherit;
}

.box-model-hop-page .callout-left {
  left: 0;
  top: 50%;
  transform: translate(-92%, -50%);
}

.box-model-hop-page .callout-left::after {
  right: -6px;
  top: calc(50% - 7px);
  transform: rotate(45deg);
}

.box-model-hop-page .callout-right {
  right: 0;
  top: 50%;
  transform: translate(92%, -50%);
}

.box-model-hop-page .callout-right::after {
  left: -6px;
  top: calc(50% - 7px);
  transform: rotate(45deg);
}

.box-model-hop-page .callout-top {
  top: 0;
  left: 50%;
  transform: translate(-50%, -96%);
}

.box-model-hop-page .callout-top::after {
  bottom: -6px;
  left: calc(50% - 7px);
  transform: rotate(45deg);
}

.box-model-hop-page .callout-bottom {
  bottom: 0;
  left: 50%;
  transform: translate(-50%, 96%);
}

.box-model-hop-page .callout-bottom::after {
  top: -6px;
  left: calc(50% - 7px);
  transform: rotate(45deg);
}

.box-model-hop-page .scene-caption {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(15, 23, 42, 0.72);
  line-height: 1.4;
}

.box-model-hop-page .starter-wrap {
  display: grid;
  gap: 6px;
  grid-column: 2;
}

.box-model-hop-page .starter-label {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(15, 23, 42, 0.58);
}

.box-model-hop-page .starter-code {
  margin: 0;
  padding: 12px 14px;
  border-radius: 14px;
  background: #0f172a;
  color: #e2e8f0;
  font: 0.88rem/1.45 "Courier New", Courier, monospace;
  overflow-x: auto;
}

.box-model-hop-page .answer-field {
  display: grid;
  gap: 6px;
  grid-column: 2;
  font-size: 0.92rem;
  color: rgba(15, 23, 42, 0.82);
}

.box-model-hop-page .answer-field input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.18);
  background: rgba(255, 255, 255, 0.96);
  font: 0.96rem/1.4 "Courier New", Courier, monospace;
  color: #0f172a;
}

.box-model-hop-page .answer-field input:focus-visible {
  outline: 3px solid rgba(20, 184, 166, 0.24);
  outline-offset: 1px;
}

.box-model-hop-page .answer-field input:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.box-model-hop-page .answer-note {
  margin: -4px 0 0;
  font-size: 0.82rem;
  color: rgba(15, 23, 42, 0.56);
  grid-column: 2;
}

.box-model-hop-page .feedback {
  min-height: 1.3em;
  margin: 0;
  font-weight: 600;
  color: rgba(15, 23, 42, 0.72);
  grid-column: 2;
}

.box-model-hop-page .feedback[data-tone="error"] {
  color: #b91c1c;
}

.box-model-hop-page .feedback[data-tone="success"] {
  color: #0f766e;
}

.box-model-hop-page .feedback[data-tone="hint"] {
  color: #1d4ed8;
}

.box-model-hop-page .controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  grid-column: 2;
}

.box-model-hop-page .jump-button {
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.22);
  background: linear-gradient(135deg, var(--pond-mid), var(--pond-bright));
  color: #fff;
  padding: 9px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  box-shadow: 0 8px 18px rgba(15, 118, 110, 0.18);
}

.box-model-hop-page .jump-button:hover {
  transform: translateY(-1px);
}

.box-model-hop-page .jump-button.ghost {
  background: rgba(255, 255, 255, 0.96);
  color: #0f172a;
  box-shadow: none;
}

.box-model-hop-page .jump-button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.box-model-hop-page .guide-card {
  display: grid;
  gap: 10px;
}

.box-model-hop-page .guide-card h3 {
  margin: 0;
  font-size: 1rem;
}

.box-model-hop-page .guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
}

.box-model-hop-page .guide-grid div {
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: rgba(248, 250, 252, 0.9);
}

.box-model-hop-page .guide-grid dt {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(15, 23, 42, 0.54);
}

.box-model-hop-page .guide-grid dd {
  margin: 6px 0 0;
  color: rgba(15, 23, 42, 0.76);
  line-height: 1.45;
}

.box-model-hop-page .shorthand-card {
  padding: 12px;
  border-radius: 16px;
  background: linear-gradient(140deg, rgba(219, 234, 254, 0.88), rgba(240, 249, 255, 0.98));
  border: 1px solid rgba(37, 99, 235, 0.14);
}

.box-model-hop-page .shorthand-title {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(29, 78, 216, 0.72);
}

.box-model-hop-page .shorthand-copy {
  margin: 8px 0 0;
  color: rgba(15, 23, 42, 0.76);
  line-height: 1.5;
}

.box-model-hop-page .guide-tip {
  margin: 0;
  color: rgba(15, 23, 42, 0.7);
  line-height: 1.5;
}

.box-model-hop-page .finish-card {
  display: grid;
  gap: 12px;
}

.box-model-hop-page .finish-card h3,
.box-model-hop-page .finish-copy,
.box-model-hop-page .finish-list {
  margin: 0;
}

.box-model-hop-page .finish-list {
  padding-left: 20px;
  color: rgba(15, 23, 42, 0.74);
  line-height: 1.6;
}

.box-model-hop-page .cert-meta {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.box-model-hop-page .cert-meta div {
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 14px;
  padding: 10px 12px;
  background: rgba(248, 250, 252, 0.9);
}

.box-model-hop-page .cert-meta dt {
  margin: 0;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(15, 23, 42, 0.56);
}

.box-model-hop-page .cert-meta dd {
  margin: 6px 0 0;
  font-size: 0.96rem;
  font-weight: 700;
  color: #0f172a;
}

.box-model-hop-page .cert-status {
  min-height: 1.1em;
  margin: 0;
  color: rgba(15, 23, 42, 0.76);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .box-model-hop-page .play-columns {
    grid-template-columns: 1fr;
  }

  .box-model-hop-page .level-card {
    grid-template-columns: 1fr;
  }

  .box-model-hop-page .scene-panel,
  .box-model-hop-page .starter-wrap,
  .box-model-hop-page .answer-field,
  .box-model-hop-page .answer-note,
  .box-model-hop-page .feedback,
  .box-model-hop-page .controls {
    grid-column: 1;
  }

  .box-model-hop-page .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .box-model-hop-page .scene-frame {
    min-height: 280px;
  }
}

@media (max-width: 720px) {
  .box-model-hop-page .page {
    width: min(100%, 100vw);
    padding: 24px 12px 34px;
  }

  .box-model-hop-page .box-model-hop {
    padding: 14px;
  }

  .box-model-hop-page .frog-track {
    gap: 6px;
  }

  .box-model-hop-page .track-pad {
    width: min(54px, 11vw);
  }

  .box-model-hop-page .scene-frame {
    min-height: 300px;
    padding: 12px;
  }

  .box-model-hop-page .ring-margin {
    padding: 20px;
  }

  .box-model-hop-page .ring-padding {
    padding: 14px;
  }

  .box-model-hop-page .ring-content {
    min-height: 84px;
  }

  .box-model-hop-page .guide-grid {
    grid-template-columns: 1fr;
  }

  .box-model-hop-page .callout {
    max-width: 142px;
    font-size: 0.76rem;
  }

  .box-model-hop-page .callout-left {
    left: 50%;
    top: 0;
    transform: translate(-50%, -96%);
  }

  .box-model-hop-page .callout-left::after {
    right: auto;
    left: calc(50% - 7px);
    top: auto;
    bottom: -6px;
  }

  .box-model-hop-page .callout-right {
    right: auto;
    left: 50%;
    top: auto;
    bottom: 0;
    transform: translate(-50%, 96%);
  }

  .box-model-hop-page .callout-right::after {
    left: calc(50% - 7px);
    top: -6px;
  }
}