body {
  font-family: 'Roboto Condensed', Arial, sans-serif;
  background-image: radial-gradient(circle at 4% 15%, #eee 0%, #eee 1.5%, transparent calc(1.5% + 1px), transparent 100%),
    radial-gradient(circle at 4% 50%, #eee 0%, #eee 1.5%, transparent calc(1.5% + 1px), transparent 100%),
    radial-gradient(circle at 4% 85%, #eee 0%, #eee 1.5%, transparent calc(1.5% + 1px), transparent 100%),
    linear-gradient(90deg, transparent 0%, transparent 10%, #DB676C 10%, #DB676C calc(10% + 2px), transparent calc(10% + 2px), transparent 100%),
    linear-gradient(180deg, white 12%, transparent 12%),
    repeating-linear-gradient(180deg, #91C1E1 0px, #91C1E1 1px, transparent 1px, transparent 30px),
    linear-gradient(white, white);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  color: #6b2e2e;
  padding: 20px;
}

.calculadora {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  box-shadow: 0 6px 20px rgba(8, 8, 8, 0.5);
  width: 100%;
  max-width: 420px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

h1 {
  text-align: center;
  color: #8B0000;
  margin-bottom: 10px;
  font-weight: 700;
  text-shadow: 1px 1px 3px #FFD700;
}

input#preco {
  font-size: 20px;
  padding: 12px 15px;
  border-radius: 10px;
  border: 2px solid #8B0000;
  color: #330000;
  font-weight: 600;
  outline-offset: 2px;
  transition: border-color 0.3s ease;
  width: 100%;
}

input#preco::placeholder {
  color: #b30000;
}

input#preco:focus {
  border-color: #FFD700;
  box-shadow: 0 0 8px #FFD700;
}

.botao-adicionar {
  background-color: #8B0000;
  color: #FFD700;
  border-radius: 10px;
  padding: 12px 0;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: background-color 0.3s ease;
  width: 100%;
}

.botao-adicionar:hover {
  background-color: #b22222;
}

#lista {
  background: rgba(139, 0, 0, 0.1);
  border-radius: 10px;
  max-height: 180px;
  overflow-y: auto;
  padding: 10px 15px;
  color: #330000;
  box-shadow: inset 0 0 6px #8B0000;
}

.produto {
  border-left: 5px solid #8B0000;
  margin-bottom: 10px;
  padding-left: 10px;
  font-weight: 600;
}

.totais {
  margin-top: 10px;
  font-weight: 700;
  color: #8B0000;
  text-shadow: 1px 1px 2px #FFD700;
  font-size: 18px;
}

.reset {
  background-color: #b22222;
  color: #fff;
  font-weight: 700;
  border: none;
  padding: 12px 0;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  margin-top: 20px;
  width: 100%;
}

.reset:hover {
  background-color: #8B0000;
}

input, button {
  font-size: 16px;
}