:root {
    --cinza: #aaa;
    --vermelho: red;
    --vermelho-escuro: rgb(92, 6, 6);
    --branco: white;
    --luz: rgb(93, 89, 89);
}

body {
    align-items: center;
    background: linear-gradient(45deg, #860b80 0%, #000000 100%);
    display: flex;
    justify-content: center;
    flex-direction: column;
    font-family: 'Montserrat', sans-serif;
    min-height: 100vh;
    padding: 20px;
}

h1 {
  font-family: 'Baloo 2', system-ui, -apple-system, 'Segoe UI', Roboto, Arial;
  font-weight: 700;
  font-size: 2.8rem;
  letter-spacing: 0.4px;
  text-align: center;
  text-shadow: 0 6px 18px rgba(0,0,0,0.18);
  color: #ffffff;
  margin-bottom: 6px;
}

h2 {
  font-family: 'Baloo 2', system-ui, -apple-system, 'Segoe UI', Roboto, Arial;
  font-weight: 400;
  font-size: 1.05rem;
  color: rgba(255,255,255,0.95);
  margin-top: 4px;
}

.teclado {
    background: linear-gradient(to bottom, #eeeeee 0%, #cccccc 100%);
    box-shadow: 6px 8px 0 6px #666, 10px 10px 10px #000;
    border-radius: 30px;
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, 1fr);
    padding: 16px;
    max-width: 820px;
}

.tecla {
    background-color: var(--branco);
    border-radius: 16px;
    box-shadow: 3px 3px 0 var(--cinza);
    color: var(--vermelho);
    cursor: pointer;
    height: auto;
    min-height: 140px;
    font-size: 1.1rem;
    font-weight: bold;
    text-align: center;
    width: 100%;
    padding: 10px;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tecla figure {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin: 0;
    width: 100%;
}

.tecla img {
  max-width: 100%;
  max-height: 90px;
  object-fit: contain;
  border-radius: 12px;
  display: block;
}

.tecla figcaption {
  font-size: 0.95rem;
  color: #333;
  text-align: center;
  padding: 2px 4px;
  background: rgba(255,255,255,0.6);
  border-radius: 6px;
  width: 90%;
  box-sizing: border-box;
}

.tecla.ativa,
.tecla:active {
    background-color: var(--vermelho);
    border: 4px solid var(--vermelho);
    box-shadow: 3px 3px 0 var(--vermelho-escuro) inset;
    color: var(--branco);
    outline: none;
}

.tecla:focus {
    outline: none;
    box-shadow: 1px 1px 10px var(--luz);
}

.tecla.ativa:focus,
.tecla:active:focus {
    box-shadow: 3px 3px 0 var(--vermelho-escuro) inset, 1px 1px 10px var(--luz);
}