:root {
  --bg: #f4f9ff;
  --ink: #10223f;
  --card: #ffffff;
  --orange: #ff7a00;
  --teal: #00a6a6;
  --yellow: #ffd447;
  --red: #ef3d2f;
  --green: #2ca64e;
  --blue: #0077cc;
  --line: #d8e5f8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Nunito", sans-serif;
  background: radial-gradient(circle at 20% 10%, #e7f4ff 0%, #f4f9ff 40%, #fff2d8 100%);
  color: var(--ink);
}

.hero {
  background: linear-gradient(120deg, #0f2f57, #0077cc 45%, #00a6a6);
  color: #fff;
  padding: 2rem 1rem;
  position: relative;
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  opacity: 0.2;
}

.hero::before {
  background: var(--yellow);
  top: -60px;
  right: 10%;
}

.hero::after {
  background: var(--orange);
  bottom: -70px;
  left: 8%;
}

.hero-inner {
  max-width: 980px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

h1,
h2,
h3 {
  font-family: "Bungee", sans-serif;
  letter-spacing: 0.5px;
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3.5vw, 3rem);
}

.hero p {
  margin-top: 0.8rem;
  font-weight: 700;
}

.speed-strip {
  margin-top: 1rem;
  height: 10px;
  background: repeating-linear-gradient(90deg, #fff 0 25px, #ffde8a 25px 50px, #fff 50px 75px);
  border-radius: 999px;
}

.container {
  max-width: 980px;
  margin: 1.2rem auto 2rem;
  padding: 0 1rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: 0 8px 20px rgba(8, 40, 92, 0.08);
  animation: rise 0.45s ease;
}

@keyframes rise {
  from {
    transform: translateY(10px);
    opacity: 0;
  }

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

.reading-card p {
  line-height: 1.55;
}

.drag-layout {
  display: grid;
  gap: 1rem;
}

.bank {
  display: grid;
  gap: 0.6rem;
}

.drag-item {
  background: #fff9ea;
  border: 2px dashed #f1b93c;
  padding: 0.65rem;
  border-radius: 10px;
  cursor: grab;
  font-weight: 700;
}

.drop-zones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.drop-zone {
  min-height: 170px;
  border: 3px dashed #9ec4ed;
  border-radius: 12px;
  padding: 0.75rem;
  background: #f8fbff;
}

.drop-zone.safe h3 {
  color: var(--green);
}

.drop-zone.risky h3 {
  color: var(--red);
}

.scratch-grid {
  display: grid;
  gap: 0.8rem;
}

.scratch-card {
  position: relative;
  border: 2px solid #cddff5;
  border-radius: 12px;
  padding: 1rem;
  min-height: 120px;
  background: linear-gradient(100deg, #fff8ea, #ebfff8);
}

.hidden-fact {
  margin: 0;
  font-weight: 800;
  padding-right: 0.5rem;
}

.scratch-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 10px;
  touch-action: none;
}

.matching {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.match-list {
  display: grid;
  gap: 0.5rem;
}

.match-item {
  border: 2px solid #b7d3f3;
  background: #f5fbff;
  border-radius: 10px;
  padding: 0.55rem;
  cursor: pointer;
  text-align: left;
  font-weight: 700;
}

.match-item.selected {
  border-color: var(--orange);
  background: #fff3de;
}

.match-item.matched {
  border-color: var(--green);
  background: #e9ffef;
  cursor: default;
}

.quiz-options {
  display: grid;
  gap: 0.6rem;
}

.quiz-btn {
  border: 2px solid #90b7de;
  background: #f0f7ff;
  border-radius: 10px;
  padding: 0.6rem;
  text-align: left;
  cursor: pointer;
  font-weight: 700;
}

.quiz-btn.correct {
  background: #e7ffe8;
  border-color: var(--green);
}

.quiz-btn.wrong {
  background: #ffebea;
  border-color: var(--red);
}

.btn {
  border: none;
  background: var(--blue);
  color: #fff;
  border-radius: 999px;
  padding: 0.6rem 1rem;
  font-weight: 800;
  cursor: pointer;
  margin-top: 0.8rem;
}

.btn:hover {
  filter: brightness(1.1);
}

.btn-accent {
  background: var(--orange);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

textarea {
  width: 100%;
  border: 2px solid #9cbfe5;
  border-radius: 10px;
  padding: 0.7rem;
  font-family: "Nunito", sans-serif;
  font-size: 1rem;
  margin-top: 0.5rem;
}

.feedback {
  font-weight: 800;
  min-height: 1.2em;
}

.footer {
  text-align: center;
  font-weight: 800;
  padding: 1rem;
}

@media (max-width: 760px) {
  .drop-zones,
  .matching {
    grid-template-columns: 1fr;
  }
}

@media print {
  body * {
    visibility: hidden;
  }

  #printArea,
  #printArea * {
    visibility: visible;
  }

  #printArea {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    padding: 2rem;
    color: #000;
    font-family: Georgia, serif;
  }
}