@import url("https://fonts.googleapis.com/css2?family=Baloo+2:wght@500;600;700;800&family=Nunito:wght@500;600;700;800&display=swap");

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-deep: #1e3a8a;
  --on-primary: #ffffff;
  --secondary: #7c3aed;
  --secondary-dark: #6d28d9;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --bg: #eff6ff;
  --bg-2: #dbeafe;
  --fg: #0f172a;
  --muted: #475569;
  --card: #ffffff;
  --border: #bfdbfe;
  --success: #059669;
  --success-bg: #d1fae5;
  --danger: #dc2626;
  --danger-bg: #fee2e2;
  --hint: #7c3aed;
  --hint-bg: #ede9fe;
  --gold: #f59e0b;
  --gold-dark: #b45309;
  --shadow: 0 8px 0 #93c5fd, 0 12px 24px rgba(37, 99, 235, 0.18);
  --shadow-press: 0 2px 0 #93c5fd, 0 4px 10px rgba(37, 99, 235, 0.16);
  --radius: 22px;
  --radius-sm: 16px;
  --focus: 0 0 0 4px #fff, 0 0 0 8px #2563eb;
  --space: 16px;
  --font-display: "Baloo 2", "Trebuchet MS", sans-serif;
  --font-body: "Nunito", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.5;
}

body {
  background-image:
    radial-gradient(circle at 12% 8%, #bfdbfe 0 18%, transparent 19%),
    radial-gradient(circle at 88% 12%, #ddd6fe 0 14%, transparent 15%),
    radial-gradient(circle at 80% 88%, #fde68a 0 12%, transparent 13%),
    radial-gradient(circle at 10% 90%, #a7f3d0 0 10%, transparent 11%);
  background-attachment: fixed;
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
}

img, svg {
  display: block;
}

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: 8px;
  z-index: 1000;
}

.skip:focus {
  left: 8px;
}

.app {
  max-width: 920px;
  margin: 0 auto;
  padding: 16px 16px 40px;
  min-height: 100dvh;
}

.hud {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hud-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 3px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 800;
  box-shadow: 0 4px 0 #bfdbfe;
  min-height: 48px;
}

.hud-chip svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.hud-name {
  flex: 1;
  min-width: 140px;
}

.hud-actions {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.icon-btn {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  color: var(--primary-deep);
  box-shadow: 0 4px 0 #bfdbfe;
  display: grid;
  place-items: center;
}

.icon-btn:hover {
  transform: translateY(-1px);
}

.icon-btn:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 #bfdbfe;
}

.icon-btn:focus-visible,
.btn:focus-visible,
.opt:focus-visible,
.chip:focus-visible,
.tower:focus-visible,
.shop-item:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.screen {
  display: none;
}

.screen.active {
  display: block;
  animation: rise 280ms ease-out;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.card {
  background: var(--card);
  border: 3px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px;
}

.hero-art {
  width: 96px;
  height: 96px;
  margin: 0 auto 16px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: 0.01em;
}

h1 {
  font-size: 2.1rem;
  text-align: center;
  color: var(--primary-deep);
  margin-bottom: 8px;
}

h2 {
  font-size: 1.6rem;
  color: var(--primary-deep);
  margin-bottom: 10px;
}

.sub {
  text-align: center;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 20px;
}

.rules {
  display: grid;
  gap: 10px;
  margin: 18px 0 24px;
}

.rule {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--bg);
  border: 3px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-weight: 700;
}

.rule .n {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  flex-shrink: 0;
}

.tutor {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.avatar {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
}

.bubble {
  background: #fff;
  border: 3px solid var(--border);
  border-radius: 18px 18px 18px 6px;
  padding: 14px 16px;
  font-weight: 700;
  box-shadow: 0 4px 0 #dbeafe;
  flex: 1;
}

.bubble p + p {
  margin-top: 8px;
}

.field {
  display: grid;
  gap: 8px;
  margin: 12px 0 18px;
}

.field label {
  font-weight: 800;
  color: var(--primary-deep);
}

.field input, .field textarea {
  min-height: 52px;
  border: 3px solid var(--border);
  border-radius: 16px;
  padding: 12px 14px;
  background: #f8fbff;
  color: var(--fg);
  font-weight: 700;
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--focus);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.chip {
  border: 3px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 800;
  min-height: 44px;
  color: var(--primary-deep);
  box-shadow: 0 3px 0 #bfdbfe;
}

.chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary-dark);
  box-shadow: 0 3px 0 var(--primary-deep);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  min-height: 52px;
  border: 3px solid transparent;
  border-radius: 16px;
  padding: 12px 18px;
  font-weight: 800;
  font-family: var(--font-display);
  font-size: 1.15rem;
  box-shadow: 0 6px 0 rgba(0,0,0,0.12);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

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

.btn:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 rgba(0,0,0,0.12);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary-dark);
  box-shadow: 0 6px 0 var(--primary-deep);
}

.btn-accent {
  background: var(--accent);
  color: #1c1917;
  border-color: var(--accent-dark);
  box-shadow: 0 6px 0 var(--gold-dark);
}

.btn-ghost {
  background: #fff;
  color: var(--primary-deep);
  border-color: var(--border);
  box-shadow: 0 6px 0 #bfdbfe;
}

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: #047857;
  box-shadow: 0 6px 0 #065f46;
}

.btn-danger {
  background: #fff;
  color: var(--danger);
  border-color: #fecaca;
  box-shadow: 0 6px 0 #fecaca;
}

.grow {
  flex: 1;
}

.map-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}

.path {
  display: grid;
  gap: 12px;
}

.tower {
  width: 100%;
  text-align: left;
  background: #fff;
  border: 3px solid var(--border);
  border-radius: 20px;
  padding: 14px;
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 12px;
  align-items: center;
  box-shadow: 0 6px 0 #bfdbfe;
  color: inherit;
}

.tower.locked {
  opacity: 0.55;
  filter: grayscale(0.4);
}

.tower.done {
  border-color: #6ee7b7;
  box-shadow: 0 6px 0 #34d399;
}

.tower.current {
  border-color: var(--accent);
  box-shadow: 0 6px 0 var(--gold-dark);
}

.tower-ico {
  width: 64px;
  height: 64px;
}

.tower h3 {
  font-size: 1.15rem;
}

.tower p {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.badge {
  font-family: var(--font-display);
  background: var(--bg);
  border-radius: 12px;
  padding: 6px 10px;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--primary-deep);
}

.progress-wrap {
  margin: 8px 0 16px;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: var(--primary-deep);
}

.bar {
  height: 16px;
  background: #dbeafe;
  border-radius: 999px;
  overflow: hidden;
  border: 3px solid #93c5fd;
}

.bar > span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 280ms ease;
}

.q-text {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--fg);
}

.options {
  display: grid;
  gap: 10px;
}

.opt {
  text-align: left;
  min-height: 56px;
  background: #fff;
  border: 3px solid var(--border);
  border-radius: 16px;
  padding: 12px 14px;
  font-weight: 800;
  box-shadow: 0 4px 0 #bfdbfe;
  color: var(--fg);
}

.opt:hover:not(:disabled) {
  border-color: var(--primary);
}

.opt.correct {
  background: var(--success-bg);
  border-color: var(--success);
  box-shadow: 0 4px 0 #047857;
}

.opt.wrong {
  background: var(--danger-bg);
  border-color: var(--danger);
  box-shadow: 0 4px 0 #991b1b;
}

.feedback {
  margin-top: 16px;
  border-radius: 16px;
  padding: 14px;
  font-weight: 800;
  display: none;
}

.feedback.show {
  display: block;
}

.feedback.ok {
  background: var(--success-bg);
  color: #065f46;
  border: 3px solid #6ee7b7;
}

.feedback.no {
  background: var(--hint-bg);
  color: #5b21b6;
  border: 3px solid #c4b5fd;
}

.shop-grid, .album-grid, .lore-list {
  display: grid;
  gap: 12px;
}

.shop-item, .medal, .lore-card {
  background: #fff;
  border: 3px solid var(--border);
  border-radius: 18px;
  padding: 14px;
  box-shadow: 0 5px 0 #bfdbfe;
}

.shop-item {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  text-align: left;
  color: inherit;
}

.shop-item h3, .medal h3, .lore-card h3 {
  font-size: 1.05rem;
}

.shop-item p, .medal p, .lore-card p {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.price {
  font-family: var(--font-display);
  background: #fef3c7;
  color: var(--gold-dark);
  border-radius: 12px;
  padding: 8px 10px;
  font-weight: 800;
  min-width: 72px;
  text-align: center;
}

.medal {
  opacity: 0.45;
}

.medal.got {
  opacity: 1;
  border-color: var(--accent);
  box-shadow: 0 5px 0 var(--gold-dark);
}

.stars {
  display: flex;
  gap: 6px;
  margin: 8px 0 0;
}

.star {
  width: 22px;
  height: 22px;
  color: #cbd5e1;
}

.star.on {
  color: var(--accent);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(20px);
  background: var(--fg);
  color: #fff;
  padding: 12px 18px;
  border-radius: 14px;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  z-index: 50;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  transition: 220ms ease;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: none;
  place-items: center;
  padding: 16px;
  z-index: 40;
}

.overlay.show {
  display: grid;
}

.modal {
  width: min(520px, 100%);
  background: #fff;
  border: 3px solid var(--border);
  border-radius: 22px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.win-art {
  width: 120px;
  height: 120px;
  margin: 0 auto 12px;
}

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

@media (max-width: 640px) {
  body { font-size: 17px; }
  h1 { font-size: 1.7rem; }
  .card { padding: 20px 16px; }
  .tower { grid-template-columns: 52px 1fr; }
  .tower .badge { grid-column: 2; }
  .hud-actions { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .screen.active, .btn, .toast, .bar > span {
    animation: none;
    transition: none;
  }
}