:root {
  --sky-100: #edf9ff;
  --sky-200: #dff3ff;
  --sky-300: #bfe8ff;
  --blue-300: #4da8ff;
  --blue-500: #2f80ed;
  --blue-700: #1d5ac8;
  --yellow-300: #ffd84d;
  --orange-300: #ff9f43;
  --green-300: #6fcf97;
  --text: #153a5d;
  --muted: #4b6781;
  --white: #ffffff;
  --shadow: 0 22px 44px rgba(21, 58, 93, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Arial Rounded MT Bold", Verdana, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #dff7ff 0%, #d7effe 35%, #e8f7d1 100%);
}

img {
  display: block;
  max-width: 100%;
}

a,
button {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-shell {
  width: min(1200px, calc(100% - 28px));
  margin: 0 auto;
  padding: 22px 0 72px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  margin-bottom: 28px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(47, 128, 237, 0.12);
  border-radius: 26px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.brand-block {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, #ffe389, #ffcd49);
  color: #7d5900;
  font-size: 1.4rem;
}

.brand-copy strong {
  font-size: clamp(1.1rem, 2vw, 1.8rem);
  letter-spacing: 0.04em;
  color: #1f4d75;
}

.stats-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(47, 128, 237, 0.08);
  border-radius: 999px;
  font-weight: 800;
  color: var(--text);
}

.music-pill {
  border: none;
  background: linear-gradient(135deg, #dff7ff, #e9f4ff);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.music-pill.is-off {
  opacity: 0.82;
}

.coin-icon,
.star-icon {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
}

.coin-icon {
  background: linear-gradient(135deg, #ffe487, #ffc93a);
}

.star-icon {
  background: linear-gradient(135deg, #fff6c2, #ffd85a);
}

.main-content {
  display: grid;
  gap: 24px;
}
.name-pill{border:none}.name-welcome{position:fixed;z-index:100;inset:0;display:grid;place-items:center;padding:20px;background:rgba(18,48,78,.72);backdrop-filter:blur(8px)}.name-card{width:min(470px,100%);padding:34px;text-align:center;background:#fff;border-radius:30px;box-shadow:0 30px 70px rgba(10,35,60,.35)}.name-card__characters{margin-bottom:10px;font-size:3rem}.name-card h2{margin:8px 0;color:#1f4467;font-size:clamp(2rem,6vw,3rem)}.name-card p{color:var(--muted);font-weight:700;line-height:1.5}.name-card label{display:block;margin:20px 0 8px;text-align:left;color:#234664;font-weight:900}.name-card input{width:100%;min-height:56px;padding:0 18px;border:2px solid #cde4f7;border-radius:16px;color:#173f69;font:inherit;font-size:1.1rem}.name-card input:focus{outline:3px solid rgba(77,168,255,.25);border-color:#4da8ff}.name-card button{width:100%;min-height:54px;margin-top:16px;border:0;border-radius:999px;color:#fff;background:linear-gradient(135deg,#ff806d,#ef5147);font-weight:900}

.grade-picker,
.module-explorer { padding: 28px; background: rgba(255,255,255,.86); border: 1px solid rgba(47,128,237,.12); border-radius: 30px; box-shadow: var(--shadow); }
.grade-picker__intro h1,
.module-explorer__head h2 { margin: 5px 0 8px; color: #1f4467; font-size: clamp(1.8rem,3vw,2.7rem); }
.grade-picker__intro p { margin: 0; color: var(--muted); font-size: 1rem; font-weight: 700; }
.eyebrow { color: #2f80ed; font-size: .85rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.grade-tabs { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin-top: 22px; }
.grade-tab { display: flex; align-items: center; gap: 14px; min-height: 100px; padding: 18px; text-align: left; color: #214a71; background: #fff; border: 3px solid transparent; border-radius: 24px; box-shadow: 0 12px 24px rgba(21,58,93,.1); transition: transform .2s ease,border-color .2s ease,box-shadow .2s ease; }
.grade-tab:hover { transform: translateY(-3px); }
.grade-tab--pink { background: linear-gradient(135deg,#fff1f5,#ffe0ea); }
.grade-tab--purple { background: linear-gradient(135deg,#f3eeff,#e6dcff); }
.grade-tab--blue { background: linear-gradient(135deg,#eaf7ff,#d7edff); }
.grade-tab--pink.is-active { border-color: #ff7fa7; }
.grade-tab--purple.is-active { border-color: #8b72e8; }
.grade-tab--blue.is-active { border-color: #4da8ff; }
.grade-tab__icon { display: grid; place-items: center; flex: 0 0 54px; width: 54px; height: 54px; border-radius: 18px; background: rgba(255,255,255,.72); font-size: 1.8rem; }
.grade-tab strong,.grade-tab small { display: block; }
.grade-tab strong { font-size: 1.25rem; }
.grade-tab small { margin-top: 5px; color: var(--muted); font-weight: 700; }
.module-explorer__head { display: flex; align-items: end; justify-content: space-between; gap: 16px; }
.module-note { padding: 9px 14px; color: #1d5ac8; background: #e9f4ff; border-radius: 999px; font-weight: 800; }
.module-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; margin-top: 20px; }
.module-card { min-height: 126px; padding: 17px; border: 1px solid rgba(47,128,237,.13); border-radius: 21px; background: #f7fbff; }
.module-card.is-ready { background: linear-gradient(135deg,#dff7e8,#effff4); border-color: #6fcf97; }
.module-card__number { color: #2f80ed; font-size: .78rem; font-weight: 900; text-transform: uppercase; }
.module-card h3 { margin: 8px 0 6px; font-size: 1.08rem; color: #1f4467; }
.module-card p { margin: 0; color: var(--muted); font-size: .86rem; font-weight: 700; }
.module-card__status { display: inline-block; margin-top: 11px; font-size: .8rem; font-weight: 900; color: #317652; }
.module-card__play { display: flex; align-items: center; justify-content: center; min-height: 42px; margin-top: 14px; color: #fff; background: #43b77d; border-radius: 999px; font-size: .8rem; font-weight: 900; text-decoration: none; }
#gradeFiveContent.is-hidden { display: none; }

.hero-banner {
  background: transparent;
  border-radius: 32px;
  overflow: hidden;
}

.hero-image-frame {
  position: relative;
  width: 100%;
  border-radius: 32px;
  overflow: hidden;
  background: linear-gradient(180deg, #cfeeff 0%, #d8f6ff 100%);
  box-shadow: var(--shadow);
  border: 1px solid rgba(47, 128, 237, 0.12);
}

.hero-image-frame--branded img { min-height: 420px; object-fit: cover; object-position: center; }
.hero-copy { position: absolute; z-index: 1; top: 50%; left: clamp(24px,5vw,64px); width: min(39%,430px); transform: translateY(-50%); }
.hero-kicker { display: inline-block; padding: 8px 13px; color: #1d5ac8; background: rgba(255,255,255,.86); border-radius: 999px; font-size: .78rem; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.hero-copy h1 { margin: 13px 0 10px; color: #173f69; font-size: clamp(2.7rem,5.5vw,5rem); line-height: .88; letter-spacing: -.04em; text-shadow: 0 3px 0 rgba(255,255,255,.7); }
.hero-copy h1 em { color: #ef5c4d; font-style: normal; }
.hero-copy p { max-width: 340px; margin: 0 0 20px; color: #234664; font-size: clamp(1rem,1.6vw,1.25rem); font-weight: 800; line-height: 1.35; }
.hero-action { display: inline-flex; align-items: center; min-height: 48px; padding: 0 20px; color: white; background: linear-gradient(135deg,#ff806d,#ef5147); border-radius: 999px; box-shadow: 0 12px 24px rgba(202,65,54,.25); font-size: .88rem; font-weight: 900; text-decoration: none; }

.hero-image-frame img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 820px;
  object-fit: contain;
  object-position: center;
}

.game-picker {
  margin-top: 8px;
  padding: 18px 0 0;
}

.picker-header {
  margin-bottom: 18px;
}

.picker-header h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3rem);
  color: #214a71;
  text-align: left;
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}

.game-card {
  display: flex;
  flex-direction: column;
  padding: 18px 18px 20px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(47, 128, 237, 0.12);
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  min-height: 100%;
}

.game-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 28px 46px rgba(36, 74, 124, 0.18);
}

.card-illustration {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
  justify-items: center;
  height: 136px;
  padding: 12px;
  margin-bottom: 18px;
  border-radius: 22px;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.card-illustration--blue { background: linear-gradient(135deg, #a7dcff, #5ea7ff); }
.card-illustration--green { background: linear-gradient(135deg, #b8f0c8, #62d38d); }
.card-illustration--orange { background: linear-gradient(135deg, #ffd58b, #ffaf4e); }

.mini-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.34);
  font-size: 2rem;
}

.game-card h3 {
  margin: 0;
  font-size: clamp(1.6rem, 2vw, 2.1rem);
  color: #1d456d;
}

.game-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-weight: 700;
}

.reward-line {
  margin-top: 14px;
  color: #234664;
  font-weight: 800;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  width: 100%;
  padding: 0 26px;
  border: none;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0.04em;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--play {
  margin-top: 18px;
  color: white;
  box-shadow: 0 12px 22px rgba(25, 88, 163, 0.18);
}

.btn--blue { background: linear-gradient(135deg, #5ec2ff, #2a8dff); }
.btn--green { background: linear-gradient(135deg, #69d89a, #43b77d); }
.btn--orange { background: linear-gradient(135deg, #ffc35a, #ff9d3f); }

.btn--gold {
  width: 100%;
  background: linear-gradient(135deg, #fff0a8, #ffd53a);
  color: #5b3c00;
  box-shadow: 0 16px 28px rgba(255, 196, 44, 0.3);
}

.adventure-panel,
.treasure-panel {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(47, 128, 237, 0.1);
  border-radius: 30px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
}

.adventure-panel {
  padding: 26px 26px 20px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.panel-header h2 {
  margin: 0;
  font-size: clamp(1.7rem, 2.7vw, 2.8rem);
  letter-spacing: 0.04em;
  color: #1f4467;
}

.reset-btn {
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #ffe8a4, #ffc942);
  color: #634900;
  padding: 10px 16px;
  font-weight: 900;
}

.progress-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  font-weight: 800;
  color: #22405f;
}

.progress-bar {
  position: relative;
  height: 18px;
  border-radius: 999px;
  background: #ecf7ff;
  border: 1px solid rgba(47, 128, 237, 0.08);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--blue-300), var(--green-300), var(--yellow-300));
  border-radius: inherit;
  transition: width 0.3s ease;
}

.quest-list {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.quest-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 54px;
  padding: 12px 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(117, 187, 255, 0.08), rgba(255,255,255,0.9));
  border: 1px solid rgba(47, 128, 237, 0.08);
  font-weight: 800;
  color: var(--text);
}

.quest-item.is-complete {
  background: linear-gradient(135deg, rgba(111, 207, 151, 0.18), rgba(255, 216, 77, 0.12));
}

.quest-item--treasure {
  border-style: dashed;
}

.quest-status {
  font-size: 1.2rem;
}

.treasure-panel {
  padding: 28px 22px;
  margin-top: 24px;
}

.treasure-box {
  text-align: center;
}

.treasure-box__header {
  margin-bottom: 18px;
}

.treasure-label {
  display: inline-flex;
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255, 216, 77, 0.22), rgba(113, 194, 255, 0.2));
  border: 1px solid rgba(47, 128, 237, 0.08);
  font-weight: 900;
  letter-spacing: 0.04em;
  color: #21476d;
}

.treasure-chest-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 18px auto 14px;
  padding: 10px;
}

.treasure-chest-image {
  width: min(100%, 360px);
  height: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 18px rgba(255, 205, 72, 0.35));
  animation: chestSway 3s ease-in-out infinite alternate;
  transition: transform 0.35s ease, filter 0.35s ease;
}

#treasureChest.is-unlocked {
  filter: drop-shadow(0 0 26px rgba(255, 210, 74, 0.9));
  animation: treasurePulse 1.4s ease-in-out infinite alternate;
}

.treasure-box p {
  margin: 0;
  font-weight: 800;
  color: #234664;
}

.status-row {
  margin-top: 18px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(47, 128, 237, 0.1);
  font-weight: 900;
  letter-spacing: 0.06em;
  color: #314d68;
}

.treasure-indicators {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

.indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(226, 239, 255, 0.9);
  border: 1px solid rgba(47, 128, 237, 0.08);
  font-weight: 800;
  color: #234664;
}

.indicator.is-unlocked {
  background: rgba(150, 227, 178, 0.2);
}

.hidden {
  display: none !important;
}

@keyframes chestSway {
  0% { transform: rotate(-1.5deg) translateY(0); }
  50% { transform: rotate(1deg) translateY(-2px); }
  100% { transform: rotate(-1.2deg) translateY(1px); }
}

@keyframes treasurePulse {
  from {
    transform: translateY(0) scale(1);
    filter: drop-shadow(0 0 14px rgba(255, 213, 65, 0.5));
  }
  to {
    transform: translateY(-6px) scale(1.03);
    filter: drop-shadow(0 0 28px rgba(255, 213, 65, 0.95));
  }
}

@media (max-width: 900px) {
  .module-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .game-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .hero-image-frame--branded img { min-height: 560px; object-position: 68% center; }
  .hero-copy { top: 25px; left: 18px; width: 62%; transform: none; }
  .hero-copy h1 { font-size: clamp(2.35rem,13vw,3.7rem); }
  .hero-copy p { font-size: .92rem; }
  .hero-action { min-height: 42px; padding: 0 14px; font-size: .74rem; }
  .grade-picker,.module-explorer { padding: 20px 16px; }
  .grade-tabs,.module-grid { grid-template-columns: 1fr; }
  .module-explorer__head { align-items: flex-start; flex-direction: column; }
  .page-shell {
    width: min(100% - 16px, 1200px);
    padding-top: 16px;
  }

  .topbar {
    padding: 16px 14px;
    flex-direction: column;
    align-items: flex-start;
  }

  .stats-block {
    justify-content: flex-start;
  }

  .btn {
    width: 100%;
  }

  .game-grid {
    grid-template-columns: 1fr;
  }

  .panel-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .treasure-chest-image {
    width: min(100%, 280px);
  }
}