:root {
  --uva: #5B3FD6;
  --uva-escura: #4A2FBF;
  --sol: #FFB627;
  --acerto: #1FB980;
  --erro: #FF6B6B;
  --tinta: #2A2540;
  --papel: #F4F2FC;
  --branco: #FFFFFF;
  --cinza: #8B86A6;
  --sombra: 0 10px 30px rgba(43, 37, 64, 0.12);
}

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

body {
  font-family: "Nunito", system-ui, -apple-system, sans-serif;
  color: var(--tinta);
  background: var(--papel);
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

.tela { display: none; min-height: 100vh; min-height: 100dvh; }
.tela.ativa { display: block; }
.drill.ativa, .contagem.ativa,
#tela-contagem.ativa, #tela-drill.ativa, #tela-resultado.ativa { display: flex; }

/* ---------------- INÍCIO ---------------- */
.cabecalho { text-align: center; padding: 40px 24px 16px; }
.marca {
  font-family: "Fredoka", sans-serif;
  font-weight: 700;
  font-size: clamp(2.4rem, 9vw, 3.6rem);
  color: var(--uva);
  letter-spacing: -0.02em;
}
.subtitulo { color: var(--cinza); font-weight: 600; margin-top: 6px; font-size: 1rem; }

.config { max-width: 640px; margin: 0 auto; padding: 8px 24px 4px; }
.campo-nome { display: block; margin-bottom: 18px; }
.campo-nome span { display: block; font-weight: 700; margin-bottom: 8px; font-size: 0.95rem; }
.campo-nome input {
  width: 100%; padding: 14px 18px; border: 2px solid #E3DEF6;
  border-radius: 16px; font-size: 1.05rem; font-family: inherit;
  background: var(--branco); color: var(--tinta);
}
.campo-nome input:focus { outline: 3px solid var(--uva); border-color: var(--uva); }

.duracoes { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.chip {
  border: 2px solid #E3DEF6; background: var(--branco); color: var(--cinza);
  font-family: inherit; font-weight: 800; font-size: 1rem;
  padding: 10px 20px; border-radius: 999px; cursor: pointer;
  transition: transform .12s ease, background .12s ease, color .12s ease;
}
.chip.ativo { background: var(--uva); color: #fff; border-color: var(--uva); }
.chip:active { transform: scale(0.94); }

.niveis { max-width: 640px; margin: 0 auto; padding: 24px; }
.nivel-titulo {
  font-family: "Fredoka", sans-serif; font-weight: 600;
  font-size: 1.05rem; color: var(--uva-escura); margin: 22px 4px 12px;
}
.nivel-desc { color: var(--cinza); font-weight: 600; font-size: .85rem; }
.grade-cat { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.cartao-cat {
  background: var(--branco); border: none; border-radius: 22px;
  box-shadow: var(--sombra); padding: 22px 16px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-family: inherit; transition: transform .12s ease;
}
.cartao-cat:active { transform: scale(0.95); }
.cartao-cat .emoji { font-size: 2.6rem; line-height: 1; }
.cartao-cat .nome { font-weight: 800; font-size: 1.05rem; color: var(--tinta); }
.cartao-cat .qtd { font-size: .8rem; color: var(--cinza); font-weight: 700; }

.aviso {
  max-width: 640px; margin: 8px auto 40px; padding: 14px 20px;
  background: #FFF3D6; color: #8A6300; border-radius: 16px;
  font-weight: 700; font-size: .9rem; text-align: center;
}
.oculto { display: none; }

/* ---------------- CONTAGEM ---------------- */
#tela-contagem { align-items: center; justify-content: center; background: var(--uva); }
.contagem {
  font-family: "Fredoka", sans-serif; font-weight: 700;
  font-size: clamp(6rem, 40vw, 14rem); color: #fff;
  animation: pulso .8s ease infinite;
}
@keyframes pulso { 0%,100% { transform: scale(1); } 50% { transform: scale(1.15); } }

/* ---------------- ATIVIDADE ---------------- */
#tela-drill { flex-direction: column; }
.barra-topo {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px; padding-top: max(16px, env(safe-area-inset-top));
}
.sair {
  border: none; background: #EFEBFA; color: var(--cinza);
  width: 40px; height: 40px; border-radius: 12px; font-size: 1.1rem;
  font-weight: 800; cursor: pointer; flex-shrink: 0;
}
.progresso { flex: 1; height: 10px; background: #EFEBFA; border-radius: 999px; overflow: hidden; }
#progresso-preenchido { height: 100%; width: 100%; background: var(--sol); transition: width 1s linear; }
.cronometro {
  font-family: "Fredoka", sans-serif; font-weight: 600; font-size: 1.3rem;
  color: var(--uva); min-width: 58px; text-align: center; font-variant-numeric: tabular-nums;
}
.cronometro.urgente { color: var(--erro); }
.placar {
  font-family: "Fredoka", sans-serif; font-weight: 600; font-size: 1.3rem;
  color: var(--acerto); min-width: 34px; text-align: right;
}

.palco {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 28px; padding: 20px;
}
.estimulo {
  font-family: "Fredoka", sans-serif; font-weight: 600;
  font-size: clamp(3.5rem, 22vw, 9rem); line-height: 1.05;
  color: var(--tinta); text-align: center; word-break: normal; overflow-wrap: normal;
  transition: color .15s ease, transform .15s ease;
}
.estimulo.frase { font-size: clamp(2rem, 9vw, 4.5rem); }
.estimulo.acerto { color: var(--acerto); animation: salto .4s ease; }
.estimulo.erro { color: var(--erro); animation: tremor .4s ease; }
@keyframes salto { 0%,100% { transform: scale(1); } 40% { transform: scale(1.18); } }
@keyframes tremor { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-10px); } 75% { transform: translateX(10px); } }

.status-voz {
  font-weight: 800; font-size: 1.1rem; color: var(--cinza);
  min-height: 28px; text-align: center;
}
.status-voz.ouvindo { color: var(--uva); }

.controles-professor {
  display: flex; gap: 10px; padding: 16px 20px;
  padding-bottom: max(20px, env(safe-area-inset-bottom));
}
.pro {
  flex: 1; border: none; border-radius: 16px; padding: 16px 8px;
  font-family: inherit; font-weight: 800; font-size: 1rem; cursor: pointer;
  color: #fff; transition: transform .1s ease;
}
.pro:active { transform: scale(0.95); }
.pro.acerto { background: var(--acerto); }
.pro.erro { background: var(--erro); }
.pro.pular { background: var(--cinza); }

/* ---------------- RESULTADO ---------------- */
#tela-resultado { flex-direction: column; align-items: center; justify-content: center; padding: 40px 24px; text-align: center; }
.rotulo-taxa { font-weight: 800; color: var(--cinza); text-transform: none; font-size: 1.1rem; }
.taxa-grande {
  font-family: "Fredoka", sans-serif; font-weight: 700;
  font-size: clamp(5rem, 30vw, 9rem); color: var(--uva); line-height: 1; margin: 4px 0 28px;
}
.grade-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  width: 100%; max-width: 460px; margin-bottom: 32px;
}
.stat { background: var(--branco); border-radius: 18px; box-shadow: var(--sombra); padding: 16px 8px; }
.stat .num { display: block; font-family: "Fredoka", sans-serif; font-weight: 600; font-size: 1.6rem; color: var(--tinta); }
.stat .cap { display: block; font-size: .78rem; color: var(--cinza); font-weight: 700; margin-top: 2px; }

.acoes-fim { display: flex; flex-direction: column; gap: 12px; width: 100%; max-width: 340px; }
.grande {
  border: none; border-radius: 18px; padding: 18px; font-family: inherit;
  font-weight: 800; font-size: 1.15rem; cursor: pointer; transition: transform .1s ease;
}
.grande:active { transform: scale(0.97); }
.primario { background: var(--uva); color: #fff; }
.secundario { background: var(--branco); color: var(--uva); box-shadow: var(--sombra); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ---- apoio visual (cores pintadas / emoji do objeto) ---- */
#visual { margin-bottom: 6px; }
.visual-emoji { font-size: clamp(4rem, 26vw, 9rem); line-height: 1; text-align: center; }
.visual-cor {
  width: clamp(90px, 38vw, 170px);
  height: clamp(90px, 38vw, 170px);
  border-radius: 50%;
  margin: 0 auto;
  box-shadow: 0 8px 24px rgba(43,37,64,.18);
}

/* chips de duração: nunca cortar no celular, deixa quebrar a linha */
.duracoes { row-gap: 10px; }

/* figura (OpenMoji) do objeto/fruta/animal */
.visual-img { text-align: center; }
.visual-img img {
  width: clamp(110px, 44vw, 200px);
  height: clamp(110px, 44vw, 200px);
  object-fit: contain;
  user-select: none;
}

/* ---- animações lúdicas ---- */
#visual { position: relative; }
@keyframes flutua { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes balanca { 0%,100% { transform: rotate(-5deg); } 50% { transform: rotate(5deg); } }
@keyframes quica { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.idle-flutua { animation: flutua 2.4s ease-in-out infinite; }
.idle-balanca { animation: balanca 1.4s ease-in-out infinite; }
.idle-quica  { animation: quica 0.9s cubic-bezier(.5,.05,.5,.95) infinite; }

@keyframes comemora {
  0%   { transform: scale(1) rotate(0); }
  25%  { transform: scale(1.35) rotate(-12deg); }
  55%  { transform: scale(1.2) rotate(12deg); }
  80%  { transform: scale(1.28) rotate(-6deg); }
  100% { transform: scale(1) rotate(0); }
}
.celebrar { animation: comemora .7s ease !important; }

.faisca {
  position: absolute; top: 50%; left: 50%; font-size: 1.7rem;
  pointer-events: none; animation: faiscar .7s ease-out forwards;
}
@keyframes faiscar {
  0%   { opacity: 1; transform: translate(-50%, -50%) scale(.4); }
  100% { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(1.2); }
}